Genomics of Novel Bcl-2 Family in Cancer 

Genomics of Novel Bcl-2 Family in Cancer | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Systematic Review Genomics of Novel Bcl-2 Family in Cancer Shouhartha Choudhury This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-6952588/v1 This work is licensed under a CC BY 4.0 License Status: Posted Version 1 posted You are reading this latest preprint version Abstract The major Bcl-2 family allows the evolutionarily conserved homology domain. Also, the domain can promote or block apoptosis. So, apoptosis is analytical in cancer growth and significant for therapy. In response to intracellular injury, several molecular signals influence cancer therapy. The cell’s judgment to tolerate death is generalized by the BH1-BH4 domains (homology domains). The defensive Bcl-2 family illuminates the variable nature of cancers and breaks down cancer treatment. Current therapy effort also stimulates the glance of “BH3/BH4 mimicry” as a good form of anticancer therapy. The encoded gene B cell lymphoma 2 (PPP1R50), a component of the modern Bcl-2 family located at chromosome translocation between 18 and 14, juxtaposes to tumour cells of follicular lymphoma. Hence, the study aimed to analyze and discuss the conventional Bcl-2 family in the mammalian genome. Therefore, bioinformatics and computational applications were utilized to investigate the genes in the favourable Bcl-2 family in the genomes of two organisms. A family-wise classification and discussion explored the molecular functions and mechanisms involved with the remarkable Bcl-2 family. The study outcome illustrated the sum of components in the valuable Bcl-2 family in two genomes. Also, observation of the Bcl-2 gene suggested the composition of nucleotides, peptides, structure, domain, motifs, phylogeny, chromosome location, gene regulatory network, gene expression, and pathways. Therefore, the classical Bcl-2 gene and its family are fundamental for cancer research and development. Bcl-2 family Apoptotic Pro-apoptotic Anti-apoptotic and Cancer Figures Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 Introduction The curious challenges for a bioinformatician and computational biologist in the post-genomic era have been questions about how phenotypic heterogeneity emerges. The genomics era and next-generation sequencing technology are a foundation of rapid examination of genes, gene fragments, homologs, paralogs, and orthologs in particular species. Numerous genes are united in living organisms and have been proposed for the adaptation of phenotypes [ 1 ]. The idea is not merely the genes. But how, why, and what composition of genes is expressed in the cell is an expensive query in cancer genomics. The family-wise classification study is a core component for the understanding of the molecular functions and mechanisms of the species-specific gene complex in a particular genome. The genome sequence of organisms cannot be derived from synchronous databases. The coding and non-coding fragments are magnified differently, thus shaping important variability towards taxa and species. In a coding region, replication or retrotransposition processes give rise to isoforms that often possess modern innovative functions. In molecular evolution, genes obey a standard origin defined as homologs and subdivide into orthologs, and further divergent ones due to speciation are known as paralogs. Also, the genes are generated by duplication. The paralogs clustered in gene families often have different numbers, and the nature and their components in various species are closely related to each generation. Concerning gene functions and mechanisms: (a) what matters need to be known, (b) which molecular functions are conserved among species, (c) which innovations are generated by the response of precise metabolic needs in a species, and (d) also need to know many inherited sequences tracing the molecular evolutionary phenomenon of genes in the cellular process in organism’s [ 2 ]. The chronological series of inventions and profoundly influenced nomenclatures and illustration of proof, and even notorious reliable alignments of divergent or different sequences suggested limitations and balance across species, catapulted and forwarded our concern of biological phenomenon exemplified by the major Bcl-2 family [ 3 ]. Thus, cross-species juxtaposition captured and forwarded the preface of particular genes in the superior Bcl-2 family and their primary entity during the growth of cancers. The Bcl-2 is an initial component of the auriferous protein family. Also, the PPP1R50 gene was unlocked twenty years before at the chromosome breakpoints and translocations 14 and 18 in follicular lymphomas (B-cell lymphoma) [ 4 – 8 ]. Hence, genes in the Bcl-2 family are evolutionarily conserved and govern BCL domains. The PPP1R50 gene is located in intracellular membranes via mitochondria and the endoplasmic reticulum. Also, other components are translocated to the mitochondria and cytoplasm through cellular death stimulation. The archetypical Bcl-2 gene observed at chromosome breakpoints and translocations in a human is key to promoting tumorigenesis by suppressing cellular death and promoting cell-cycle regulation. So, the supreme Bcl-2 family is classified as pro-apoptotic, anti-apoptotic, and other divergent molecules. The fundamental view is that the anti-apoptotic (anti-death) molecules in cells hold pro-apoptotic (pro-death) molecules depending on the death stimulus. BH3-only domain immobilizes the Bcl-2 mediated polypeptide and forces it to release its pro-death components. The pro-death molecules mediated polypeptides are homo-oligomerized to form an orifice in the mitochondrial external membrane and are produced from cytochrome c discharge via the cytoplasm may lead to caspase stimulation and cellular death. A substitute model suggested that the anti-death region in Bcl-2 mediates polypeptide binds also inhibits a fragment of the “BH3” domains that sharply encourages oligomerization of BAK or BAX. So, the computational analysis and secular illustration of sequence symmetry have widened the novel Bcl-2 family beyond defensible limitations. Also, the tendency in the remarkable Bcl-2 and their family of nomenclature extends to nucleic acids and amino acids sequencing. Observation of different pro-death, anti-death, and divergent molecules has been demanding for cellular death-initiated phenotypes. Further manifests various pro-death or anti-death responses in circumstances under cellular processes. The term PCD (apoptosis) is pathetic and carried out by several gene products. In superior eukaryotes, complex phenomenon and their numerous hidden environmental death stimuli evolve into protein families, and encoded genes act in various cells and intracellular locations. A family-wise classification and observation of the organism's genome, nucleotide, peptide structure, conserved domain, sequence motifs, chromosome location, phylogeny, gene expression, gene network, and pathway will contribute to a good judgment of the molecular function and mechanisms of particular genes in the genome. The above turns can guide experimental and practical applications. This study aimed to examine and discuss the universal Bcl-2 family involved in cellular death and survival strategy in eukaryotes. The apoptotic impact or cell death solution is essential for the particular organism's survival and needs to be conserved in evolution. It has been a core component of organism growth and significant for establishments and even the defence of tissue architecture systems, depending upon the nature of species-specific genes [ 9 – 12 ]. The variability of the primordial structures can convert diverse functions at numerous phases in the life of organisms. So, perform a genome-wide survey of the major Bcl-2 family components in two organisms. Results Structure of the BCL-2 Gene The objective sequence revealed the component towards nucleotides and peptides. The sequence formed by 720 nucleotides and 239 peptides among 99 peptides folds to the DNA is known as a BCL domain (BH1-BH4) ( Table 1: Target Sequence ). The secondary structure illustrated that the BCL domain connects with DNA and interacts between protein-protein. The 3D norm of the BCL domain is built by seven alpha helices with two hydrophobic helices folded by fifth amphipathic helices ( Fig. 1: 3D Structure of BCL-2 gene ). So, the BCL domain-mediated peptides were observed in two mammalian genomes. However, in some circumstances residue is uncertain, and the ratio and edge are not rigorously determined. Mutagenesis examinations argue that the BH1-BH3 domains sharply control both homo and hetero-dimerization. The BH4 fragment in the BCL domain balanced the structure of the hydrophobic groove. So, the defensive Bcl-2 family patently proves that proteins have identical structures and can transform into discrete roles, sometimes inverse ones, with few variations in their central or subordinate structure [ 13 ]. The Bcl-2 Family in Mammalian Genomes The two draft mammalian genomes executed in this work (i.e. Homo sapiens and Mus musculus ). The genome-wide observation by the HMMER algorithm showed the numerous hits of 50 and 32 of central BCL domains in two model organisms of Homo sapiens and Mus musculus , subsequently ( Table 2: Summary of the BCL domains in Bcl-2 Family ). Further Stand-alone BLAST outputs represented 51 and 27 homologs of the PPP1R50 gene in both mammals of Homo sapiens and Mus musculus, subsequently ( Table 2: Summary of the genes in Bcl-2 Family ). Also, the multiple hits of HMMER were orchestrated from both genomes for gene ontology annotation. The GO annotation confirmed the Bcl-2 genes and other components in the global Bcl-2 family between Humans and Mice ( Table 3: Summary of the BH1-BH4 and TM domains in the Bcl-2 Family ). In addition, grouping suggested that anti-apoptotic (anti-death), pro-apoptotic (pro-death), and other components exist in both organisms' genomes ( Table 4: Group-wise Classification of the BCL domain-associated Genes in Bcl-2 Family ). Domain, Motifs and Phylogeny The highest hits of the PPP1R50 gene are obtained from the particular genome for sequence alignment. The MSA determined the conserved extended BCL domain in the PPP1R50 genes in both organisms. The high consensus (90%) affirmed the expected BCL domain ( Fig. 2: Conserved BCL domain in BCL-2 Genes in-between Homo sapiens and Mus musculus ) [ S Choudhury, 2019 ]. Further analysis showed the sequence-specific motifs in the major Bcl-2 gene ( Fig. 3: Sequence Motifs in BCL-2 Genes ) [ S Choudhury, 2019 ]. Also, the evolutionary tree illustrated the molecular link of the BCL domains mediated genes towards Homo sapiens and Mus musculus. Further, a particular clade represented the multifunctional genes presented in the extended Bcl-2 family in two mammalian genomes ( Fig. 4: Phylogenetic Tree of the BCL domain Associated Genes in the Bcl-2 Family ) [ Choudhury S, 2019 ]. Chromosome location, Gene expression, Gene network, and Pathways The chromosome localization study confirmed that the PPP1R50 is an apoptosis regulator gene located in band chr18:63 (start at 123,346 bp, end at 63,320,128 bp) ( Fig. 5: Chromosome Location of BCL-2 Gene in Homo sapiens ) [Choudhury S, 2019]. The gene expression shows that the PPP1R50 gene is highly expressed in human neoplasms of lip, oral cavity, pharynx, eye, brain, central nervous system, respiratory system, intrathoracic organs, skin, connective tissue, breast, female genital organs, urinary organs, bone, articular cartilage, lymphoid, and hematopoietic tissue ( Fig. 6: Gene expression of the BCL-2 Gene in Homo Sapiens ) [ Choudhury S, 2019 ]. The gene network study reveals that the PPP1R50 gene interacts with other molecules, such as TP53, BCL2L1, BCL2L11, BAX, BID, FKBP8, BECN1, BIK, BAD, and BBC3. The above molecular interactions govern the outcome of the PPP1R50 gene in the cellular process ( Fig. 7: Gene Regulatory Network of BCL-2 Gene ). The pathways study suggested that the BCL-2 gene is a survival factor through other molecular signals in the apoptosis regulatory pathway ( Fig. 8: Pathway of the BCL-2 gene in apoptosis ). Discussion The work hypothesized that chemo-resistance is a common obstacle to the benefits of cancer therapy. Because examination of the fragments in the genome is coordinated with the secure identification of therapeutic targets. So, the functional genomics study offers the fragments of acquired or damaged DNA as a landmark of drug-resistant cell lines, called polarity in the drug-sensitive maternal cell line. Generally, fundamental melanoma manifests the adjacent linkage of MITF with the Bcl-2 gene was repositioned in a superior breakpoint cluster and adjoined into an immunoglobulin-heavy chain in human follicular lymphoma (FL). The oncogenic PPP1R50 in leukaemia cells of a convalescent with antagonistic prolymphocytic leukaemia has an asymmetrical karyotype; its remnant initiates somatic mutations adapted in non-Hodkins lymphoma. The non-Hodkins lymphoma cell with depth chromosome translocation and rearrangement suggests that the PPP1R50 gene is linked with apart metastasis of a cohort whose peculiar tumours are positive. The enlarged Bcl-2 family allows a homology cluster in four conserved residues known as the BH1-BH4 domains to control the efficiency of the polypeptide to dimerize activity as regulators of apoptosis [ 14 – 19 ]. Also, the response of the Bcl-2 gene significantly enhances cutaneous lesions in pediatric cases. Further, the component of Bcl-XL confers equilibrium of drug resistance, reveals expression, and promotes the cisplatin-resistant phenotypes in the osteosarcoma cells. Also, Bcl-XL coordinated the number of lymphoma cells via terminal deoxy transferase-catalysed nick-end labelling. So, the Bcl-XL response as a predictive signature in FL should be accessible. Further, Bcl-XL is less onward in paediatrics but is lacking in mature cases with mastocytosis. Bcl-XL occupies and prevents cell death, depending on growth factors. In the intimal cell, the Bcl-XL initiated and reduced vascular lesions. These resolutions suggested that apoptosis regulatory Bcl-XL are analytical and determinative of intimal wound initiation, and even intended apoptosis is a leading regulator for the intimal vascular disorder [ 20 – 23 ]. Further, BCL2L2 (Bcl-W) stimulates VP-16 (anti-ovarian-cancer cells), and NF-kappaB-treated up-regulation of both BCL2L2 and Bcl-xl emerges in glioma. Also, increased cellular protection to cytotoxic therapy-initiated apoptosis towards BCLW and Bcl-xL fosters longevity in malignant glioblastoma cells. The BCL2L2 in the gonads emerges to avert widened spermatids (haploid) and Sertoli cells (somatic cell), and exhaustion of Bcl-W and Bcl-XL antagonized TNFSF12 defence in glioma. Further apoptosis moderator, BCL-W, irradiated defensive T-lymphocytes. The good outcome of gene transfer-initiated elevation elicits fluctuation of BAK-mediated cellular death and promotes cancer. Further, BCL-XL and BID cooperated with BAK-linked BH3 residues, which are well known as BAK and BCL-XL. The catalyst of different domains in BAK (pro-apoptotic) appears in mitochondrial and cellular death in response to mosaics stimuli. The only BH3 domain governs accuracy and controls MCL-1 and BAK-initiated cell death. MCL-1 sustains the indolent state of BAK and controls MCL-1 activation. So, the replication effect in contaminated cells is crucial and commences the apoptotic reaction. BAK/BAX-mediated mitochondrial extrinsic membrane leads to cellular death during growth and tissue homeostasis, and morphogenesis [ 24 – 34 ]. The normal karyotypes proved a high frequency of BCL2A1 in abnormal karyotypes and cancer cell-illustrated hematopoietic malignancies and melanoma. So, examination of mHAgs (minor histocapibility antigens) is encrypted by double-separated SNP (single nucleotide polymorphisms) in a gene. The BCL2A1 is occupied by HLA (human leukocyte antigen), a common HLA-A allele in favourable Japanese population. BCL2A1 is found in hematopoietic stem cells (HSCs) and possesses a nonsynonymous nucleotide. Mostly concerns and recently pinpointed HLA-A24-restricted MiHA epitope formed by ACC-1 and BCL2A1 in a patient-adopted HLA genotypically approached distinct bone marrow implant [ 35 – 39 ]. Further, myocytes provoke the PPP1R50 gene to sustain cell growth versus cell death in the cardiac cohort with heart failure, whereas stereotypes with BAX enhance cell death. BAX is apoptosis-mediated and engages in cellular growth and death. The preface of BCL2L4 in drug-initiated cellular death in rectal cancer cells observed a lack of BAX. In response, the default of BCL2L4 perfectly controls the cell death reaction to the chemopreventive catalyst of sulindac and NSAIDs (nonsteroidal anti-inflammatory drugs or cyclooxygenase enzyme inhibitors). BCL2L4 also renders colorectal cancer resistant to TRAIL/Apo2L-initiated sensitization. Discharge of BAK and BAX promotes epithelial tumour outgrowth and is broken by chemotherapy. Magnificent variance of BCL2L4 is associated with a prognosis. The high ratio of BCL2L4 in thyroid carcinoma juxtaposes with adenoma in goitre. The BAX illustrated a prognostic signature of cancer, and further combined effects of Bcl-2 and BAX anticipate extra prognostic significance. In a variation, apoptosis-induced staurosporine lacks recompense protein synthesis but differentiates by translocation of BAX [ 19 , 28 , 40 – 46 ]. The other component of BCL2L3 (MCL1) has sequence similarity with the Bcl-2 gene implicated in the growth of lymphoma. MCL1 was proposed in the human myeloid leukaemia cell during phorbol ester-initiated differentiation with monocytes. MCL1 indicates Burkitt lymphoma and manifests and enhances survival exposure through serum deprivation. MCL1 related to VEGF integrated with outcome in non-Hodgkin’s lymphoma. The MCL1 is overexpressed in B-cell lymphoma, but the molecular function and mechanism of MCL1 induce the transformation and survival. However, the BH3 residue also governs accuracy also regulates MCL1 and BAK-initiated apoptosis and suggests that uninfected cells-initiated BAK is intricately associated with anti-apoptotic induced Myeloid cell leukaemia 1 [ 32, 33, 47–50 ]. Further unit of BCL-G included six exon regions on the chromosome and encoded protein by an alternative mRNA splicing. Also, TEL-AML1 of fusion transcription engages with the BCL-G in a pediatric pioneer of B-cell acute lymphoblastic leukaemia. BCL-G is crucially down-regulated in tumours and suggests critical growth of prostate cancer [ 51 – 53 ]. In the cellular process, BCL-Rambo is close to mitochondria, and expression precisely blocks the cascade inhibitors and controls the upstream outcome of ‘death receptor’. The pro-apoptotic of BCL2L13 is recognized as BCL-Rambo and is found in tissues like lymph nodes, cervix, and heart, but is lacking in brain tissue [ 54 , 55 ]. Finally, the BCL-B (BCL2L10) is an anti-regulator of cellular death in glioma cells. In addition, BCL-B enhances cellular death and growth-inhibitory effects in gastric carcinoma. Besides, the homologs BCL-B and BCL-XL interact with the transcript of Ced-4 and Apaf-1 to govern apoptosis and are located on chromosome 9. BCL-B determined in the epididymis and ovary implicated the growth of sperm and ovarian atresia. So, the combinatorial action of the BH4 and TM (transmembrane) domain in BCL-B is fundamental for silencing activity on cellular death. The BCL2L10 has a response that hinders cellular death (apoptosis) in the mitochondrial pathway but is absent in the receptor pathway [ 56 – 59 ]. Therefore, these molecular functions and mechanisms have advanced our knowledge of the fundamental Bcl-2 family in cancer and survival. Concluding Remarks In this study, two different species-specific homology domains in the fundamental Bcl-2 family are linked with the causative factor of cancers and treatment. The group-wise classification suggested that pro-apoptotic, anti-apoptotic, and other divergent molecules exist in the superior Bcl-2 family between Mus musculus and Homo sapiens . Also, 3D structure, conserved domain, sequence motifs, chromosome location, gene expression, gene regulatory network, and pathway illustrated the Bcl-2 (PPP1R50) gene coordinated with cancers. So, computational and bioinformatics studies have expanded our consciousness of Bcl-2 genes and their family in mammalian genomes. Therefore, the genomics of the progressive Bcl-2 family is good for the future treatment of cancers. Thus, comparative and functional genomics studies offer to generalize each organism’s gene contents to explain similarities and differences within a molecular and evolutionary context and assess the functional magnitude of the genetic blueprints. Methods Database and Sequence The query sequence was retrieved from several species-specific databases such as Universal Protein Resource (UniProt) (Morgat A et al. 2019), National Center for Biotechnology Information (NCBI) (Eric W Sayers et al. 2019), GenBank (EW Sayers et al. 2020), European Molecular Biology Laboratory (EMBL), (W Baker et al. 2000), Kyoto Encyclopedia of Genes and Genomes (KEGG) (Hiroyuki Ogata et al. 1999), and DNA Data Bank of Japan (DDBJ) (T Okido et al. 2022). Further, the web-based tool called SMART was used for the recognition of the particular peptide residues in the query sequence (J Schultz et al. 1998). The Swiss model database was retrieved for the prediction of peptide structure. The Swiss model database is a bioinformatics web server for comparative modelling of the peptide structure. This database generates a 3D structure of peptides and is utilized in various research areas. The Swiss model is a regularly upgraded database for the remodelling of the organism's proteome for biological research and development (T Schwede et al. 2003). The Pfam web-based tool is used for a particular protein family. Also, the PROCHECK web-based tool is used to assess stereochemical properties of peptide structure (Laskowski R A et al. 1993). Genome sequence The genome sequences of organisms were downloaded from two specialized databases: · Ensembl Genomes (Kevin L Howe et al. 2020) and · NCBI (Eric W Sayers et al. 2019). Two organism’s genomes · Homo sapiens : Genome assembly: GRCh38.p13 (GCA_000001405.28) · Mus musculus : Genome assembly: GRCm39 (GCA_000001635.9) Standalone tools The HMM (Hidden Markov Models) ER software packages were executed by MSA methods for the suspected residue as a profile search (parameters: 1.0e-3). The HMMER is a mathematical and statistical algorithm assembled by an MSA of the query sequence residue for profile search (SR Eddy, 2020). This implemented probabilistic model is generalized as a precise HMM (A Degirmenci, 2014). Further, standalone BLAST2 was executed for homologous sequences in organisms (Zhang J et al. 1997). Gene Ontology Annotation Gene ontology annotation method applied for functional analysis of the genes in the genome across species for biological variance. So, the BioBam (BLAST2GO) was initialized using parameters 1.0e-3 for GO annotation. BioBam is a statistical and computational utility for high-throughput GO annotation of particular sequences in a particular genome (A Conesa et al., 2005). The functional characteristic of genes retrieved via GO annotation is a good tool for practical work (Ashburner et al. 2000). Domain The domain analysis is a core component for the upgradation of conserved residues in different organisms’ genomes. So, the MSA method is performed using a web-based tool of MultAlin, for analysis of the conserved region in multiple hit sequences in all organisms. The MSA method allows calculating the specific pair of the homologous sequences and stacks them up. So, we can observe the identical, differences, and differences in sequences. The highest hits sequences are applied for MSA to upgrade and validate the sustain domain (M Chatzou et al. 2016) (C Mitchell, 1993). Motifs The motif analysis tools are used for the resolution of sequence-specific motifs. So, perform the MEME web-based tool to analyze and validate particular motifs in the sequence (Timothy L et al. 2015). Phylogeny The analysis of the phylogenetic tree is necessary to explore the evolutionary link between genes in an organism’s genome. So, MEGAX practice for constructing the evolutionary tree using Neighbor-Joining Methods (N Saitou et al. 1987) (Sudhir Kumar et al. 2018) . Gene expression The gene expression is initialized by the genevestigator application. The genevestigator is a high-performance research tool for the analysis of the expression ratio of an organism’s gene contents. The genevestigator was utilised to identify and validate specific targets (Tomas Hruz et al. 2008). Chromosomal location The chromosomal location is retrieved via the Gene Card web-based database. The gene card is a database of an organism's gene products that provides information on all existing and predicted genes. The gene card web-based database is upgraded and available for biological and biomedical research on genes, encoded proteins, and related diseases (M Safran et al. 2010). Gene networks The gene regulatory network (molecular network) in the cellular process governs the expression of mRNA and proteins. Many proteins react by activating genes called TFs bound to the promoter region and initiating the reactions of various proteins known as regulatory cascades. So, the web-based STRING database fetches for prediction of protein-protein interactivity. Also, the database includes different resources like experimental and computational predicted data of nucleic acids and amino acids (T Schlitt et al. 2003) (D Szklarczyk et al. 2017). Pathway The pathway study is generalized as a functional enrichment experiment. Further, pathway examination is a broadly accessible utility for biological research in the field of Bioinformatics. Also, the application can help researchers and scientists in the observation of the biological phenomenon of an organism’s genes to design and develop therapies (MA Garcia-Campos et al. 2015). So, the web-based KEGG database is available to retrieve and gain the high-level functional utilities of biological macromolecules such as genes and protein signals in a cellular process (M Kanehisa et al. 2000). Abbreviations DNA: Deoxyribonucleic acid GO: Gene ontology EMBL: European Molecular Biology Laboratory NJM: Neighbor-Joining Methods TF’s: Transcription factors MSA: Multiple Sequence Alignment VEGF: Vascular endothelial growth factor HLA: Human leukocyte antigens NCBI: National Center for Biotechnology Information KEGG: Kyoto Encyclopedia of Genes and Genome SMART: Simple Modular Architecture Research Tool TRAIL: TNF-related apoptosis-inducing ligand PCD: Programmed cell death ACC-1: Acetyl-CoA carboxylase MITF: Microphthalmia-associated transcription factor BLAST: Basic Local Alignment Search Tool HMM: Hidden Markov Model GO: Gene Ontology MEGA: Molecular Evolutionary Genetics Analysis MEME: Multiple EM for Motif Elicitation Declarations Ethical Approval The work contains an in-silico study of the mammalian genome for upgradation and validation of the particular gene in different organisms. Consent for publication The work furnished in this document is original and communicated by the correspondent placed in the manuscript. The author disclosed that the documents are not concerned elsewhere and have not been received for evaluation by other publishers. Availability of data and material The data and samples may be available on reasonable request or demand. Competing interests The author declared that the work has no competing interests. Funding The author did not avail of financial assistance from any source during the study. Authors' contributions This work was written by the sole author. SC proposed the idea, experimented, analyzed the data, and prepared the manuscript. Acknowledgement The author is grateful to the anonymous reviewers and editors for valuable suggestions on the manuscript. Furthermore, the author expressed gratitude to Assam University, Silchar, Assam, India, for their invaluable assistance. 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Br J Cancer 85(9):1359 Yakovlev AG et al (2004) BOK and NOXA are essential mediators of p53-dependent apoptosis. J Biol Chem 279(27):28367–28374 Kozopas KM et al (1993) MCL1, a gene expressed in programmed myeloid cell differentiation, has sequence similarity to BCL2. Proceedings of the National Academy of Sciences, 90(8): pp. 3516–3520 Vrana JA et al (2002) An MCL1-overexpressing Burkitt lymphoma subline exhibits enhanced survival on exposure to serum deprivation, topoisomerase inhibitors, or staurosporine but remains sensitive to 1-β-d-arabinofuranosylcytosine. Cancer Res 62(3):892–900 Kuramoto K et al (2002) High expression of MCL1 gene related to vascular endothelial growth factor is associated with poor outcome in non-Hodgkin's lymphoma. Br J Haematol 116(1):158–161 Guo B, Godzik A, Reed JC (2000) Bcl-G: A novel pro-apoptotic member of the bcl-2 family. J Biol Chem Abdelhaleem M et al (2006) A novel TEL-AML1 fusion transcript involving the pro-apoptotic gene BCL-G in pediatric precursor B acute lymphoblastic leukemia. Leukemia 20(7):1294 Kibel AS et al (2004) Expression mapping at 12p12-13 in advanced prostate carcinoma. Int J Cancer 109(5):668–672 Kataoka T et al (2001) Bcl-rambo, a novel Bcl-2 homologue that induces apoptosis via its unique C-terminal extension. J Biol Chem 276(22):19548–19554 Yi P et al (2003) Bcl-rambo beta, a special splicing variant with an insertion of an Alu‐like cassette, promotes etoposide‐and Taxol‐induced cell death. FEBS Lett 534(1–3):61–68 Naumann U et al (2001) Diva/Boo is a negative regulator of cell death in human glioma cells. FEBS Lett 505(1):23–26 Song Q et al (1999) Boo, a novel negative regulator of cell death, interacts with Apaf-1. EMBO J 18(1):167–178 Zhang H, Holzgreve W, De Geyter C (2001) Bcl2-L-10, a novel anti-apoptotic member of the Bcl-2 family, blocks apoptosis in the mitochondria death pathway but not in the death receptor pathway. Hum Mol Genet 10(21):2329–2339 Shouhartha Choudhury (2019) A comparative analysis of BCL-2 family. Bioinformation 15(4):299–306 Tables Table 1 to 4 are available in the Supplementary Files section. Additional Declarations No competing interests reported. Supplementary Files Tables.doc Cite Share Download PDF Status: Posted Version 1 posted You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-6952588","acceptedTermsAndConditions":true,"allowDirectSubmit":true,"archivedVersions":[],"articleType":"Systematic Review","associatedPublications":[],"authors":[{"id":475404270,"identity":"0e84fe57-4f58-46de-91d7-f2847332cac2","order_by":0,"name":"Shouhartha Choudhury","email":"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAZAAAAAyAQMAAABI0h/eAAAABlBMVEX///8AAABVwtN+AAAACXBIWXMAAA7EAAAOxAGVKw4bAAAA6UlEQVRIiWNgGAWjYDACCQYGZhBtwMDA+ABI8/ARq0UCqIXZAKSFjRQtbBIgAYJa5Gc3H5MuqLlXZ85++Fnl1xw7GTYG5oePbuDRYnDnWJr0jGPFEpY9aWa3ZbclAx3GZmycg0+LRI6ZNA9bgoTBgRy225LbmIFaeNik8WmRnwHS8g+o5fwbtmLJbfWEtTDcAGrhbQNquZHDxvhx22HCWgxupCVb8/YlSG648cxYmnHbcR42ZgJ+kZ+RfPA2z7cEfoPzyQ8//txWbc/P3vzwMV6HIQNmHjBJrHIQYPxBiupRMApGwSgYMQAA1CM/3v6aLJ8AAAAASUVORK5CYII=","orcid":"","institution":"Assam University","correspondingAuthor":true,"prefix":"","firstName":"Shouhartha","middleName":"","lastName":"Choudhury","suffix":""}],"badges":[],"createdAt":"2025-06-23 04:23:17","currentVersionCode":1,"declarations":"","doi":"10.21203/rs.3.rs-6952588/v1","doiUrl":"https://doi.org/10.21203/rs.3.rs-6952588/v1","draftVersion":[],"editorialEvents":[],"editorialNote":"","failedWorkflow":false,"files":[{"id":85311503,"identity":"99f96d3f-28f0-4657-b5ab-36d705a925fc","added_by":"auto","created_at":"2025-06-24 13:49:00","extension":"png","order_by":1,"title":"Figure 1","display":"","copyAsset":false,"role":"figure","size":915623,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003e3D Structure of BCL-2 gene\u003c/strong\u003e\u003c/p\u003e","description":"","filename":"Figures1.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/ed3a197d4e604ba9cc26b57b.png"},{"id":85311505,"identity":"0f4f2c57-f1f3-4ec4-8816-d0175f75c4d1","added_by":"auto","created_at":"2025-06-24 13:49:00","extension":"png","order_by":2,"title":"Figure 2","display":"","copyAsset":false,"role":"figure","size":32457,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eConserved BCL domain in BCL-2 Genes in-between \u003c/strong\u003e\u003cem\u003e\u003cstrong\u003eHomo sapiens\u003c/strong\u003e\u003c/em\u003e\u003cstrong\u003e and \u003c/strong\u003e\u003cem\u003e\u003cstrong\u003eMus musculus\u003c/strong\u003e\u003c/em\u003e\u003c/p\u003e","description":"","filename":"Figures2.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/64fad4b75379a6b881e749de.png"},{"id":85311501,"identity":"dd61f3f3-ae5c-4729-9ff3-51e7dcdd36fa","added_by":"auto","created_at":"2025-06-24 13:49:00","extension":"png","order_by":3,"title":"Figure 3","display":"","copyAsset":false,"role":"figure","size":154449,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eSequence Motifs in BCL-2 Genes\u003c/strong\u003e\u003c/p\u003e","description":"","filename":"Figures3.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/295e76d0dce344aa0bd790ae.png"},{"id":85311507,"identity":"49f01337-4ba1-4134-834a-da760b226b6b","added_by":"auto","created_at":"2025-06-24 13:49:00","extension":"png","order_by":4,"title":"Figure 4","display":"","copyAsset":false,"role":"figure","size":327664,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003ePhylogenetic Tree of the BCL domain Associated Genes in the Bcl-2 Family\u003c/strong\u003e\u003c/p\u003e","description":"","filename":"Figures4.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/bcdfa0ecfd9ad48d05805829.png"},{"id":85312791,"identity":"5dbb5c5c-e66d-4136-8a08-c59616bf12c1","added_by":"auto","created_at":"2025-06-24 13:57:00","extension":"png","order_by":5,"title":"Figure 5","display":"","copyAsset":false,"role":"figure","size":8969,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eChromosome Location of BCL-2 Gene in \u003c/strong\u003e\u003cem\u003e\u003cstrong\u003eHomo sapiens\u003c/strong\u003e\u003c/em\u003e\u003c/p\u003e","description":"","filename":"Figures5.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/b13797a993144a171cb6a12a.png"},{"id":85312792,"identity":"b77cbdd7-0a6a-4c74-8feb-1f505635a55f","added_by":"auto","created_at":"2025-06-24 13:57:00","extension":"png","order_by":6,"title":"Figure 6","display":"","copyAsset":false,"role":"figure","size":59215,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eGene expression of the BCL-2 Gene in \u003c/strong\u003e\u003cem\u003e\u003cstrong\u003eHomo Sapiens\u003c/strong\u003e\u003c/em\u003e\u003c/p\u003e","description":"","filename":"Figures6.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/da51a6ae4569c24b5f576874.png"},{"id":85312794,"identity":"7f87e64a-7203-41cf-9dcc-43cf1b7c6378","added_by":"auto","created_at":"2025-06-24 13:57:00","extension":"png","order_by":7,"title":"Figure 7","display":"","copyAsset":false,"role":"figure","size":311254,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003eGene Regulatory Network of BCL-2 Gene\u003c/strong\u003e\u003c/p\u003e","description":"","filename":"Figures7.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/0d2c84244f5cf844093aef2f.png"},{"id":85312795,"identity":"0b43bf7e-4994-4760-b017-a4cb74b1e4dc","added_by":"auto","created_at":"2025-06-24 13:57:00","extension":"png","order_by":8,"title":"Figure 8","display":"","copyAsset":false,"role":"figure","size":59289,"visible":true,"origin":"","legend":"\u003cp\u003e\u003cstrong\u003ePathways of the BCL-2 Gene\u003c/strong\u003e\u003c/p\u003e","description":"","filename":"Figures8.png","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/eb719b806e8a58f7a0cd5175.png"},{"id":85512319,"identity":"6590c5c2-1863-41c7-8c77-a41a7d4a9183","added_by":"auto","created_at":"2025-06-26 16:53:44","extension":"pdf","order_by":0,"title":"","display":"","copyAsset":false,"role":"manuscript-pdf","size":3077447,"visible":true,"origin":"","legend":"","description":"","filename":"manuscript.pdf","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/4b2b6247-dd64-473a-b61e-65764574d5dc.pdf"},{"id":85311504,"identity":"c7a14a32-7c70-4de3-937c-f2516b95298e","added_by":"auto","created_at":"2025-06-24 13:49:00","extension":"doc","order_by":2,"title":"","display":"","copyAsset":false,"role":"supplement","size":13154,"visible":true,"origin":"","legend":"","description":"","filename":"Tables.doc","url":"https://assets-eu.researchsquare.com/files/rs-6952588/v1/13a94661c9a020ee03cfac32.doc"}],"financialInterests":"No competing interests reported.","formattedTitle":"Genomics of Novel Bcl-2 Family in Cancer ","fulltext":[{"header":"Introduction","content":"\u003cp\u003eThe curious challenges for a bioinformatician and computational biologist in the post-genomic era have been questions about how phenotypic heterogeneity emerges. The genomics era and next-generation sequencing technology are a foundation of rapid examination of genes, gene fragments, homologs, paralogs, and orthologs in particular species. Numerous genes are united in living organisms and have been proposed for the adaptation of phenotypes [\u003cspan citationid=\"CR1\" class=\"CitationRef\"\u003e1\u003c/span\u003e]. The idea is not merely the genes. But how, why, and what composition of genes is expressed in the cell is an expensive query in cancer genomics. The family-wise classification study is a core component for the understanding of the molecular functions and mechanisms of the species-specific gene complex in a particular genome. The genome sequence of organisms cannot be derived from synchronous databases. The coding and non-coding fragments are magnified differently, thus shaping important variability towards taxa and species. In a coding region, replication or retrotransposition processes give rise to isoforms that often possess modern innovative functions. In molecular evolution, genes obey a standard origin defined as homologs and subdivide into orthologs, and further divergent ones due to speciation are known as paralogs. Also, the genes are generated by duplication. The paralogs clustered in gene families often have different numbers, and the nature and their components in various species are closely related to each generation. Concerning gene functions and mechanisms: (a) what matters need to be known, (b) which molecular functions are conserved among species, (c) which innovations are generated by the response of precise metabolic needs in a species, and (d) also need to know many inherited sequences tracing the molecular evolutionary phenomenon of genes in the cellular process in organism\u0026rsquo;s [\u003cspan citationid=\"CR2\" class=\"CitationRef\"\u003e2\u003c/span\u003e]. The chronological series of inventions and profoundly influenced nomenclatures and illustration of proof, and even notorious reliable alignments of divergent or different sequences suggested limitations and balance across species, catapulted and forwarded our concern of biological phenomenon exemplified by the major Bcl-2 family [\u003cspan citationid=\"CR3\" class=\"CitationRef\"\u003e3\u003c/span\u003e]. Thus, cross-species juxtaposition captured and forwarded the preface of particular genes in the superior Bcl-2 family and their primary entity during the growth of cancers. The Bcl-2 is an initial component of the auriferous protein family. Also, the PPP1R50 gene was unlocked twenty years before at the chromosome breakpoints and translocations 14 and 18 in follicular lymphomas (B-cell lymphoma) [\u003cspan additionalcitationids=\"CR5 CR6 CR7\" citationid=\"CR4\" class=\"CitationRef\"\u003e4\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR8\" class=\"CitationRef\"\u003e8\u003c/span\u003e]. Hence, genes in the Bcl-2 family are evolutionarily conserved and govern BCL domains. The PPP1R50 gene is located in intracellular membranes via mitochondria and the endoplasmic reticulum. Also, other components are translocated to the mitochondria and cytoplasm through cellular death stimulation. The archetypical Bcl-2 gene observed at chromosome breakpoints and translocations in a human is key to promoting tumorigenesis by suppressing cellular death and promoting cell-cycle regulation. So, the supreme Bcl-2 family is classified as pro-apoptotic, anti-apoptotic, and other divergent molecules. The fundamental view is that the anti-apoptotic (anti-death) molecules in cells hold pro-apoptotic (pro-death) molecules depending on the death stimulus. BH3-only domain immobilizes the Bcl-2 mediated polypeptide and forces it to release its pro-death components. The pro-death molecules mediated polypeptides are homo-oligomerized to form an orifice in the mitochondrial external membrane and are produced from cytochrome c discharge via the cytoplasm may lead to caspase stimulation and cellular death. A substitute model suggested that the anti-death region in Bcl-2 mediates polypeptide binds also inhibits a fragment of the \u0026ldquo;BH3\u0026rdquo; domains that sharply encourages oligomerization of BAK or BAX. So, the computational analysis and secular illustration of sequence symmetry have widened the novel Bcl-2 family beyond defensible limitations. Also, the tendency in the remarkable Bcl-2 and their family of nomenclature extends to nucleic acids and amino acids sequencing. Observation of different pro-death, anti-death, and divergent molecules has been demanding for cellular death-initiated phenotypes. Further manifests various pro-death or anti-death responses in circumstances under cellular processes. The term PCD (apoptosis) is pathetic and carried out by several gene products. In superior eukaryotes, complex phenomenon and their numerous hidden environmental death stimuli evolve into protein families, and encoded genes act in various cells and intracellular locations. A family-wise classification and observation of the organism's genome, nucleotide, peptide structure, conserved domain, sequence motifs, chromosome location, phylogeny, gene expression, gene network, and pathway will contribute to a good judgment of the molecular function and mechanisms of particular genes in the genome. The above turns can guide experimental and practical applications. This study aimed to examine and discuss the universal Bcl-2 family involved in cellular death and survival strategy in eukaryotes. The apoptotic impact or cell death solution is essential for the particular organism's survival and needs to be conserved in evolution. It has been a core component of organism growth and significant for establishments and even the defence of tissue architecture systems, depending upon the nature of species-specific genes [\u003cspan additionalcitationids=\"CR10 CR11\" citationid=\"CR9\" class=\"CitationRef\"\u003e9\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR12\" class=\"CitationRef\"\u003e12\u003c/span\u003e]. The variability of the primordial structures can convert diverse functions at numerous phases in the life of organisms. So, perform a genome-wide survey of the major Bcl-2 family components in two organisms.\u003c/p\u003e"},{"header":"Results","content":"\u003cp\u003e\u003cstrong\u003eStructure of the BCL-2 Gene\u0026nbsp;\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe objective sequence revealed the component towards nucleotides and peptides. The sequence formed by 720 nucleotides and 239 peptides among 99 peptides folds to the DNA is known as a BCL domain (BH1-BH4) (\u003cstrong\u003eTable 1: Target Sequence\u003c/strong\u003e). The secondary structure illustrated that the BCL domain connects with DNA and interacts between protein-protein.\u0026nbsp;The 3D norm of the BCL domain is built by seven alpha helices with two hydrophobic helices folded by fifth amphipathic helices (\u003cstrong\u003eFig. 1: 3D Structure of BCL-2 gene\u003c/strong\u003e).\u0026nbsp;So, the BCL domain-mediated peptides were observed in two mammalian genomes. However, in some circumstances residue is uncertain, and the ratio and edge are not rigorously determined. Mutagenesis examinations argue that the BH1-BH3 domains sharply control both homo and hetero-dimerization. The BH4 fragment in the BCL domain balanced the structure of the hydrophobic groove. So, the defensive Bcl-2 family patently proves that proteins have identical structures and can transform into discrete roles, sometimes inverse ones, with few variations in their central or subordinate structure [\u003cstrong\u003e13\u003c/strong\u003e].\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe Bcl-2 Family in Mammalian Genomes\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe two draft mammalian genomes executed in this work (i.e. \u003cem\u003eHomo sapiens\u003c/em\u003e and \u003cem\u003eMus musculus\u003c/em\u003e). The genome-wide observation by the HMMER algorithm showed the numerous hits of 50 and 32 of central BCL domains in two model organisms of \u003cem\u003eHomo sapiens\u003c/em\u003e and \u003cem\u003eMus musculus\u003c/em\u003e,\u0026nbsp;subsequently (\u003cstrong\u003eTable 2: Summary of the BCL domains in Bcl-2 Family\u003c/strong\u003e). Further Stand-alone BLAST outputs represented 51 and 27 homologs of the PPP1R50 gene in both mammals of\u0026nbsp;Homo sapiens\u0026nbsp;and\u0026nbsp;Mus musculus,\u0026nbsp;subsequently (\u003cstrong\u003eTable 2: Summary of the genes in Bcl-2 Family\u0026nbsp;\u003c/strong\u003e). Also,\u0026nbsp;the\u0026nbsp;multiple hits of HMMER were orchestrated\u0026nbsp;from both genomes for gene ontology annotation. The GO annotation confirmed the Bcl-2 genes and other components in the global Bcl-2 family between Humans and Mice (\u003cstrong\u003eTable 3: Summary of the BH1-BH4 and TM domains in the Bcl-2 Family\u003c/strong\u003e).\u0026nbsp;In addition, grouping suggested that anti-apoptotic (anti-death), pro-apoptotic (pro-death), and other components exist in both organisms\u0026apos; genomes (\u003cstrong\u003eTable 4: Group-wise Classification of the BCL domain-associated Genes in Bcl-2 Family\u003c/strong\u003e).\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eDomain, Motifs and Phylogeny\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe highest hits of the PPP1R50 gene\u0026nbsp;are obtained\u0026nbsp;from the particular genome for sequence alignment.\u0026nbsp;The MSA determined\u0026nbsp;the\u0026nbsp;conserved extended BCL domain in the PPP1R50 genes\u0026nbsp;in both organisms.\u0026nbsp;The high consensus (90%) affirmed the expected BCL domain (\u003cstrong\u003eFig. 2: Conserved BCL domain in BCL-2 Genes in-between \u003cem\u003eHomo sapiens\u003c/em\u003e and \u003cem\u003eMus musculus\u003c/em\u003e\u003c/strong\u003e) [\u003cstrong\u003eS Choudhury, 2019\u003c/strong\u003e]. Further analysis showed the sequence-specific motifs in the major Bcl-2 gene (\u003cstrong\u003eFig. 3: Sequence Motifs in BCL-2 Genes\u003c/strong\u003e) [\u003cstrong\u003eS Choudhury, 2019\u003c/strong\u003e]. Also, the evolutionary tree illustrated the molecular link of the BCL domains mediated genes towards Homo sapiens and Mus musculus. Further, a\u0026nbsp;particular clade represented the multifunctional genes\u0026nbsp;presented\u0026nbsp;in the extended Bcl-2 family in two mammalian genomes (\u003cstrong\u003eFig. 4: Phylogenetic Tree of the BCL domain Associated Genes in the Bcl-2 Family\u003c/strong\u003e) [\u003cstrong\u003eChoudhury S, 2019\u003c/strong\u003e].\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eChromosome location, Gene expression, Gene network, and Pathways\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe chromosome localization study confirmed that the PPP1R50 is an apoptosis regulator gene located in band chr18:63 (start at 123,346 bp, end at 63,320,128 bp) (\u003cstrong\u003eFig. 5: Chromosome Location of BCL-2 Gene in \u003cem\u003eHomo sapiens\u003c/em\u003e\u003c/strong\u003e) [Choudhury S, 2019]. The gene expression shows that the PPP1R50 gene is highly expressed in human neoplasms of lip, oral cavity, pharynx, eye, brain, central nervous system, respiratory system, intrathoracic organs, skin, connective tissue, breast, female genital organs, urinary organs, bone, articular cartilage, lymphoid, and hematopoietic tissue (\u003cstrong\u003eFig. 6: Gene expression of the BCL-2 Gene in \u003cem\u003eHomo Sapiens\u003c/em\u003e\u003c/strong\u003e) [\u003cstrong\u003eChoudhury S, 2019\u003c/strong\u003e]. The gene network study reveals that the PPP1R50 gene interacts with other molecules, such as TP53, BCL2L1, BCL2L11, BAX, BID, FKBP8, BECN1, BIK, BAD, and BBC3.\u0026nbsp;The above molecular interactions govern the outcome of the PPP1R50 gene in the cellular process (\u003cstrong\u003eFig. 7: Gene Regulatory Network of BCL-2 Gene\u003c/strong\u003e). The pathways study suggested that the BCL-2 gene is a survival factor through other molecular signals in the apoptosis regulatory pathway (\u003cstrong\u003eFig. 8: Pathway of the BCL-2 gene in apoptosis\u003c/strong\u003e). \u0026nbsp;\u0026nbsp;\u003c/p\u003e"},{"header":"Discussion","content":"\u003cp\u003eThe work hypothesized that chemo-resistance is a common obstacle to the benefits of cancer therapy. Because examination of the fragments in the genome is coordinated with the secure identification of therapeutic targets. So, the functional genomics study offers the fragments of acquired or damaged DNA as a landmark of drug-resistant cell lines, called polarity in the drug-sensitive maternal cell line. Generally, fundamental melanoma manifests the adjacent linkage of MITF with the Bcl-2 gene was repositioned in a superior breakpoint cluster and adjoined into an immunoglobulin-heavy chain in human follicular lymphoma (FL). The oncogenic PPP1R50 in leukaemia cells of a convalescent with antagonistic prolymphocytic leukaemia has an asymmetrical karyotype; its remnant initiates somatic mutations adapted in non-Hodkins lymphoma. The non-Hodkins lymphoma cell with depth chromosome translocation and rearrangement suggests that the PPP1R50 gene is linked with apart metastasis of a cohort whose peculiar tumours are positive. The enlarged Bcl-2 family allows a homology cluster in four conserved residues known as the BH1-BH4 domains to control the efficiency of the polypeptide to dimerize activity as regulators of apoptosis [\u003cspan additionalcitationids=\"CR15 CR16 CR17 CR18\" citationid=\"CR14\" class=\"CitationRef\"\u003e14\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR18\" class=\"CitationRef\"\u003e19\u003c/span\u003e]. Also, the response of the Bcl-2 gene significantly enhances cutaneous lesions in pediatric cases. Further, the component of Bcl-XL confers equilibrium of drug resistance, reveals expression, and promotes the cisplatin-resistant phenotypes in the osteosarcoma cells. Also, Bcl-XL coordinated the number of lymphoma cells via terminal deoxy transferase-catalysed nick-end labelling. So, the Bcl-XL response as a predictive signature in FL should be accessible. Further, Bcl-XL is less onward in paediatrics but is lacking in mature cases with mastocytosis. Bcl-XL occupies and prevents cell death, depending on growth factors. In the intimal cell, the Bcl-XL initiated and reduced vascular lesions. These resolutions suggested that apoptosis regulatory Bcl-XL are analytical and determinative of intimal wound initiation, and even intended apoptosis is a leading regulator for the intimal vascular disorder [\u003cspan additionalcitationids=\"CR21 CR22\" citationid=\"CR19\" class=\"CitationRef\"\u003e20\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR22\" class=\"CitationRef\"\u003e23\u003c/span\u003e]. Further, BCL2L2 (Bcl-W) stimulates VP-16 (anti-ovarian-cancer cells), and NF-kappaB-treated up-regulation of both BCL2L2 and Bcl-xl emerges in glioma. Also, increased cellular protection to cytotoxic therapy-initiated apoptosis towards BCLW and Bcl-xL fosters longevity in malignant glioblastoma cells. The BCL2L2 in the gonads emerges to avert widened spermatids (haploid) and Sertoli cells (somatic cell), and exhaustion of Bcl-W and Bcl-XL antagonized TNFSF12 defence in glioma. Further apoptosis moderator, BCL-W, irradiated defensive T-lymphocytes. The good outcome of gene transfer-initiated elevation elicits fluctuation of BAK-mediated cellular death and promotes cancer. Further, BCL-XL and BID cooperated with BAK-linked BH3 residues, which are well known as BAK and BCL-XL. The catalyst of different domains in BAK (pro-apoptotic) appears in mitochondrial and cellular death in response to mosaics stimuli. The only BH3 domain governs accuracy and controls MCL-1 and BAK-initiated cell death. MCL-1 sustains the indolent state of BAK and controls MCL-1 activation. So, the replication effect in contaminated cells is crucial and commences the apoptotic reaction. BAK/BAX-mediated mitochondrial extrinsic membrane leads to cellular death during growth and tissue homeostasis, and morphogenesis [\u003cspan additionalcitationids=\"CR25 CR26 CR27 CR28 CR29 CR30 CR31 CR32 CR33\" citationid=\"CR23\" class=\"CitationRef\"\u003e24\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR33\" class=\"CitationRef\"\u003e34\u003c/span\u003e]. The normal karyotypes proved a high frequency of BCL2A1 in abnormal karyotypes and cancer cell-illustrated hematopoietic malignancies and melanoma. So, examination of mHAgs (minor histocapibility antigens) is encrypted by double-separated SNP (single nucleotide polymorphisms) in a gene. The BCL2A1 is occupied by HLA (human leukocyte antigen), a common HLA-A allele in favourable Japanese population. BCL2A1 is found in hematopoietic stem cells (HSCs) and possesses a nonsynonymous nucleotide. Mostly concerns and recently pinpointed HLA-A24-restricted MiHA epitope formed by ACC-1 and BCL2A1 in a patient-adopted HLA genotypically approached distinct bone marrow implant [\u003cspan additionalcitationids=\"CR36 CR37 CR38\" citationid=\"CR34\" class=\"CitationRef\"\u003e35\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR38\" class=\"CitationRef\"\u003e39\u003c/span\u003e]. Further, myocytes provoke the PPP1R50 gene to sustain cell growth versus cell death in the cardiac cohort with heart failure, whereas stereotypes with BAX enhance cell death. BAX is apoptosis-mediated and engages in cellular growth and death. The preface of BCL2L4 in drug-initiated cellular death in rectal cancer cells observed a lack of BAX. In response, the default of BCL2L4 perfectly controls the cell death reaction to the chemopreventive catalyst of sulindac and NSAIDs (nonsteroidal anti-inflammatory drugs or cyclooxygenase enzyme inhibitors). BCL2L4 also renders colorectal cancer resistant to TRAIL/Apo2L-initiated sensitization. Discharge of BAK and BAX promotes epithelial tumour outgrowth and is broken by chemotherapy. Magnificent variance of BCL2L4 is associated with a prognosis. The high ratio of BCL2L4 in thyroid carcinoma juxtaposes with adenoma in goitre. The BAX illustrated a prognostic signature of cancer, and further combined effects of Bcl-2 and BAX anticipate extra prognostic significance. In a variation, apoptosis-induced staurosporine lacks recompense protein synthesis but differentiates by translocation of BAX [\u003cspan citationid=\"CR18\" class=\"CitationRef\"\u003e19\u003c/span\u003e, \u003cspan citationid=\"CR27\" class=\"CitationRef\"\u003e28\u003c/span\u003e, \u003cspan additionalcitationids=\"CR41 CR42 CR43 CR44 CR45\" citationid=\"CR39\" class=\"CitationRef\"\u003e40\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR45\" class=\"CitationRef\"\u003e46\u003c/span\u003e]. The other component of BCL2L3 (MCL1) has sequence similarity with the Bcl-2 gene implicated in the growth of lymphoma. MCL1 was proposed in the human myeloid leukaemia cell during phorbol ester-initiated differentiation with monocytes. MCL1 indicates Burkitt lymphoma and manifests and enhances survival exposure through serum deprivation. MCL1 related to VEGF integrated with outcome in non-Hodgkin\u0026rsquo;s lymphoma. The MCL1 is overexpressed in B-cell lymphoma, but the molecular function and mechanism of MCL1 induce the transformation and survival. However, the BH3 residue also governs accuracy also regulates MCL1 and BAK-initiated apoptosis and suggests that uninfected cells-initiated BAK is intricately associated with anti-apoptotic induced Myeloid cell leukaemia 1 [\u003cb\u003e32, 33, 47\u0026ndash;50\u003c/b\u003e]. Further unit of BCL-G included six exon regions on the chromosome and encoded protein by an alternative mRNA splicing. Also, TEL-AML1 of fusion transcription engages with the BCL-G in a pediatric pioneer of B-cell acute lymphoblastic leukaemia. BCL-G is crucially down-regulated in tumours and suggests critical growth of prostate cancer [\u003cspan additionalcitationids=\"CR52\" citationid=\"CR49\" class=\"CitationRef\"\u003e51\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR51\" class=\"CitationRef\"\u003e53\u003c/span\u003e]. In the cellular process, BCL-Rambo is close to mitochondria, and expression precisely blocks the cascade inhibitors and controls the upstream outcome of \u0026lsquo;death receptor\u0026rsquo;. The pro-apoptotic of BCL2L13 is recognized as BCL-Rambo and is found in tissues like lymph nodes, cervix, and heart, but is lacking in brain tissue [\u003cspan citationid=\"CR52\" class=\"CitationRef\"\u003e54\u003c/span\u003e, \u003cspan citationid=\"CR53\" class=\"CitationRef\"\u003e55\u003c/span\u003e]. Finally, the BCL-B (BCL2L10) is an anti-regulator of cellular death in glioma cells. In addition, BCL-B enhances cellular death and growth-inhibitory effects in gastric carcinoma. Besides, the homologs BCL-B and BCL-XL interact with the transcript of Ced-4 and Apaf-1 to govern apoptosis and are located on chromosome 9. BCL-B determined in the epididymis and ovary implicated the growth of sperm and ovarian atresia. So, the combinatorial action of the BH4 and TM (transmembrane) domain in BCL-B is fundamental for silencing activity on cellular death. The BCL2L10 has a response that hinders cellular death (apoptosis) in the mitochondrial pathway but is absent in the receptor pathway [\u003cspan additionalcitationids=\"CR57 CR58\" citationid=\"CR54\" class=\"CitationRef\"\u003e56\u003c/span\u003e\u0026ndash;\u003cspan citationid=\"CR57\" class=\"CitationRef\"\u003e59\u003c/span\u003e]. Therefore, these molecular functions and mechanisms have advanced our knowledge of the fundamental Bcl-2 family in cancer and survival.\u003c/p\u003e \u003cdiv id=\"Sec8\" class=\"Section2\"\u003e \u003ch2\u003eConcluding Remarks\u003c/h2\u003e \u003cp\u003eIn this study, two different species-specific homology domains in the fundamental Bcl-2 family are linked with the causative factor of cancers and treatment. The group-wise classification suggested that pro-apoptotic, anti-apoptotic, and other divergent molecules exist in the superior Bcl-2 family between \u003cem\u003eMus musculus\u003c/em\u003e and \u003cem\u003eHomo sapiens\u003c/em\u003e. Also, 3D structure, conserved domain, sequence motifs, chromosome location, gene expression, gene regulatory network, and pathway illustrated the Bcl-2 (PPP1R50) gene coordinated with cancers. So, computational and bioinformatics studies have expanded our consciousness of Bcl-2 genes and their family in mammalian genomes. Therefore, the genomics of the progressive Bcl-2 family is good for the future treatment of cancers. Thus, comparative and functional genomics studies offer to generalize each organism\u0026rsquo;s gene contents to explain similarities and differences within a molecular and evolutionary context and assess the functional magnitude of the genetic blueprints.\u003c/p\u003e \u003c/div\u003e"},{"header":"Methods","content":"\u003cp\u003e\u003cstrong\u003eDatabase and Sequence\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe query sequence was retrieved from several species-specific databases such as Universal Protein Resource (UniProt) (Morgat A et al. 2019), National Center for Biotechnology Information (NCBI) (Eric W Sayers et al. 2019), GenBank (EW Sayers et al. 2020), European Molecular Biology Laboratory (EMBL), (W Baker et al. 2000), Kyoto Encyclopedia of Genes and Genomes (KEGG) (Hiroyuki Ogata et al. 1999), \u0026nbsp;and DNA Data Bank of Japan (DDBJ) (T Okido et al. 2022). Further, the web-based tool called SMART was used for the recognition of the particular peptide residues in the query sequence (J Schultz et al. 1998). The Swiss model database was retrieved for the prediction of peptide structure. The Swiss model database is a bioinformatics web server for comparative modelling of the peptide structure. This database generates a 3D structure of peptides and is utilized in various research areas. The Swiss model is a regularly upgraded database for the remodelling of the organism\u0026apos;s proteome for biological research and development (T Schwede et al. 2003). The Pfam web-based tool is used for a particular protein family. Also, the PROCHECK web-based tool is used to assess stereochemical properties of peptide structure (Laskowski R A et al. 1993).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eGenome sequence\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe genome sequences of organisms were downloaded from two specialized databases:\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u0026middot; \u003cem\u003eEnsembl\u0026nbsp;\u003c/em\u003eGenomes (Kevin L Howe et al. 2020) and\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u0026middot; NCBI (Eric W Sayers\u0026nbsp;et al. 2019).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eTwo organism\u0026rsquo;s genomes\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003e\u0026middot; \u003cem\u003eHomo sapiens\u003c/em\u003e: Genome assembly: GRCh38.p13 (GCA_000001405.28)\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u0026middot;\u0026nbsp;\u003cem\u003eMus musculus\u003c/em\u003e: Genome assembly: GRCm39 (GCA_000001635.9)\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eStandalone tools\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe HMM (Hidden Markov Models) ER software packages were executed by MSA methods for the suspected residue as a profile search (parameters: 1.0e-3). The HMMER is a mathematical and statistical algorithm assembled by an MSA of the query sequence residue for profile search (SR Eddy, 2020). This implemented probabilistic model is generalized as a precise HMM (A Degirmenci, 2014). Further, standalone BLAST2 was executed for homologous sequences in organisms (Zhang J et al.\u0026nbsp;1997).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eGene Ontology Annotation\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eGene ontology annotation method applied for functional analysis of the genes in the genome across species for biological variance. So, the BioBam (BLAST2GO) was\u0026nbsp;initialized using parameters 1.0e-3 for GO annotation. BioBam is a statistical and computational utility for high-throughput GO annotation of particular sequences in a particular genome (A Conesa et al., 2005). The functional characteristic of genes retrieved via GO annotation is a good tool for practical work (Ashburner et al.\u0026nbsp;2000).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eDomain\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe domain analysis is a core component for the upgradation of conserved residues in different organisms\u0026rsquo; genomes. So, the MSA method is performed using a web-based tool of MultAlin, for analysis of the conserved region in multiple hit sequences in all organisms. The MSA method allows calculating the specific pair of the homologous sequences and stacks them up. So, we can observe the identical, differences, and differences in sequences. The highest hits sequences are applied for MSA to upgrade and validate the sustain domain (M Chatzou et al. 2016) (C Mitchell, 1993).\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eMotifs\u003c/strong\u003e\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eThe motif analysis tools are used for the resolution of sequence-specific motifs. So, perform the MEME web-based tool to analyze and validate particular motifs in the sequence (Timothy L et al.\u0026nbsp;2015).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003ePhylogeny\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe analysis of the phylogenetic tree is necessary to explore the evolutionary link between genes in an organism\u0026rsquo;s genome. So, MEGAX practice for constructing the evolutionary tree using \u003cem\u003eNeighbor-Joining Methods\u0026nbsp;\u003c/em\u003e(N Saitou et al. 1987) (Sudhir Kumar et al.\u0026nbsp;2018)\u003cem\u003e.\u003c/em\u003e\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eGene expression\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe gene expression is initialized by the\u0026nbsp;genevestigator\u0026nbsp;application. The\u0026nbsp;genevestigator\u0026nbsp;is a high-performance research tool for the analysis of the expression ratio of an organism\u0026rsquo;s gene contents. The\u0026nbsp;genevestigator\u0026nbsp;was utilised to identify and validate specific targets (Tomas Hruz et al. 2008).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eChromosomal location\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe chromosomal location\u0026nbsp;is retrieved via the Gene Card web-based database. The gene card is a database of an organism\u0026apos;s gene products that provides information on all existing and predicted genes. The gene card web-based database is upgraded and available for biological and biomedical research on genes, encoded proteins, and related diseases (M Safran et al. 2010).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eGene networks\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe gene regulatory network (molecular network) in the cellular process\u0026nbsp;governs\u0026nbsp;the expression of mRNA and proteins.\u0026nbsp;Many proteins react by activating genes called TFs\u0026nbsp;bound\u0026nbsp;to the promoter region and initiating the reactions of various proteins known as regulatory cascades. So, the web-based STRING database fetches for prediction of protein-protein interactivity. Also, the database includes\u0026nbsp;different\u0026nbsp;resources like experimental and computational predicted data of nucleic acids and amino acids (T Schlitt et al. 2003) (D Szklarczyk et al. 2017).\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003ePathway\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe pathway study is generalized as a functional enrichment experiment. Further, pathway examination is a broadly accessible utility for biological research in the field of Bioinformatics. Also, the application can help researchers and scientists in the observation of the biological phenomenon of an organism\u0026rsquo;s genes to design and develop therapies (MA Garcia-Campos et al. 2015). So, the web-based KEGG database is available to retrieve and gain the high-level functional utilities of biological macromolecules such as genes and protein signals in a cellular process (M Kanehisa et al. 2000).\u003c/p\u003e"},{"header":"Abbreviations","content":"\u003cp\u003eDNA: Deoxyribonucleic acid\u003c/p\u003e\n\u003cp\u003eGO: Gene ontology\u003c/p\u003e\n\u003cp\u003eEMBL: European Molecular Biology Laboratory\u003c/p\u003e\n\u003cp\u003eNJM: \u0026nbsp;Neighbor-Joining Methods\u003c/p\u003e\n\u003cp\u003eTF\u0026rsquo;s:\u0026nbsp;Transcription factors\u003c/p\u003e\n\u003cp\u003eMSA: Multiple Sequence Alignment\u0026nbsp;\u003c/p\u003e\n\u003cp\u003eVEGF:\u0026nbsp;Vascular endothelial growth factor\u003c/p\u003e\n\u003cp\u003eHLA:\u0026nbsp;Human leukocyte antigens\u003c/p\u003e\n\u003cp\u003eNCBI: National Center for Biotechnology Information\u003c/p\u003e\n\u003cp\u003eKEGG: Kyoto Encyclopedia of Genes and Genome\u003c/p\u003e\n\u003cp\u003eSMART: Simple Modular Architecture Research Tool\u003c/p\u003e\n\u003cp\u003eTRAIL: TNF-related apoptosis-inducing ligand\u003c/p\u003e\n\u003cp\u003ePCD: Programmed cell death\u003c/p\u003e\n\u003cp\u003eACC-1: Acetyl-CoA carboxylase\u003c/p\u003e\n\u003cp\u003eMITF: Microphthalmia-associated transcription factor\u003c/p\u003e\n\u003cp\u003eBLAST: Basic Local Alignment Search Tool\u003c/p\u003e\n\u003cp\u003eHMM: Hidden Markov Model\u003c/p\u003e\n\u003cp\u003eGO: Gene Ontology\u003c/p\u003e\n\u003cp\u003eMEGA: Molecular Evolutionary Genetics Analysis\u003c/p\u003e\n\u003cp\u003eMEME: Multiple EM for Motif Elicitation\u003c/p\u003e"},{"header":"Declarations","content":"\u003cp\u003e\u003cstrong\u003eEthical Approval\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe work contains an \u003cem\u003ein-silico\u003c/em\u003e study of the mammalian genome for upgradation and validation of the particular gene in different organisms.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eConsent for publication\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe work furnished in this document is original and communicated by the correspondent placed in the manuscript. The author disclosed that the documents are not concerned elsewhere and have not been received for evaluation by other publishers.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailability of data and material\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe data and samples may be available on reasonable request or demand.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompeting interests\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe author declared that the work has no competing interests.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunding\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe author did not avail of financial assistance from any source during the study.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthors\u0026apos; contributions\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThis work was written by the sole author. SC proposed the idea, experimented, analyzed the data, and prepared the manuscript.\u0026nbsp;\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAcknowledgement\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe author is grateful to the anonymous reviewers and editors for valuable suggestions on the manuscript. Furthermore, the author expressed gratitude to Assam University, Silchar, Assam, India, for their invaluable assistance.\u003c/p\u003e\n\u003cp\u003e\u003cstrong\u003eAuthors\u0026apos; information\u003c/strong\u003e\u003c/p\u003e\n\u003cp\u003eThe author is a PhD research scholar at the Har Gobind Khorana School of Life Sciences, Department of Biotechnology, Assam University, Silchar-788011, Assam, India.\u003c/p\u003e"},{"header":"References","content":"\u003col\u003e\u003cli\u003e\u003cspan\u003eChen S, Krinsky BH, Long M (2013) New genes as drivers of phenotypic evolution. 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Bioinformation 15(4):299\u0026ndash;306\u003c/span\u003e\u003c/li\u003e\u003c/ol\u003e"},{"header":"Tables","content":"\u003cp\u003eTable 1 to 4 are available in the Supplementary Files section.\u003c/p\u003e"}],"fulltextSource":"","fullText":"","funders":[],"hasAdminPriorityOnWorkflow":false,"hasManuscriptDocX":true,"hasOptedInToPreprint":true,"hasPassedJournalQc":"","hasAnyPriority":true,"hideJournal":true,"highlight":"","institution":"","isAcceptedByJournal":false,"isAuthorSuppliedPdf":false,"isDeskRejected":"","isHiddenFromSearch":false,"isInQc":false,"isInWorkflow":false,"isPdf":false,"isPdfUpToDate":true,"isWithdrawnOrRetracted":false,"journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true},"keywords":"Bcl-2 family, Apoptotic, Pro-apoptotic, Anti-apoptotic, and Cancer","lastPublishedDoi":"10.21203/rs.3.rs-6952588/v1","lastPublishedDoiUrl":"https://doi.org/10.21203/rs.3.rs-6952588/v1","license":{"name":"CC BY 4.0","url":"https://creativecommons.org/licenses/by/4.0/"},"manuscriptAbstract":"\u003cp\u003eThe major Bcl-2 family allows the evolutionarily conserved homology domain. Also, the domain can promote or block apoptosis. So, apoptosis is analytical in cancer growth and significant for therapy. In response to intracellular injury, several molecular signals influence cancer therapy. The cell\u0026rsquo;s judgment to tolerate death is generalized by the BH1-BH4 domains (homology domains). The defensive Bcl-2 family illuminates the variable nature of cancers and breaks down cancer treatment. Current therapy effort also stimulates the glance of \u0026ldquo;BH3/BH4 mimicry\u0026rdquo; as a good form of anticancer therapy. The encoded gene B cell lymphoma 2 (PPP1R50), a component of the modern Bcl-2 family located at chromosome translocation between 18 and 14, juxtaposes to tumour cells of follicular lymphoma. Hence, the study aimed to analyze and discuss the conventional Bcl-2 family in the mammalian genome. Therefore, bioinformatics and computational applications were utilized to investigate the genes in the favourable Bcl-2 family in the genomes of two organisms. A family-wise classification and discussion explored the molecular functions and mechanisms involved with the remarkable Bcl-2 family. The study outcome illustrated the sum of components in the valuable Bcl-2 family in two genomes. Also, observation of the Bcl-2 gene suggested the composition of nucleotides, peptides, structure, domain, motifs, phylogeny, chromosome location, gene regulatory network, gene expression, and pathways. Therefore, the classical Bcl-2 gene and its family are fundamental for cancer research and development.\u003c/p\u003e","manuscriptTitle":"Genomics of Novel Bcl-2 Family in Cancer ","msid":"","msnumber":"","nonDraftVersions":[{"code":1,"date":"2025-06-24 13:48:56","doi":"10.21203/rs.3.rs-6952588/v1","editorialEvents":[{"type":"communityComments","content":0}],"status":"published","journal":{"display":true,"email":"[email protected]","identity":"researchsquare","isNatureJournal":false,"hasQc":true,"allowDirectSubmit":true,"externalIdentity":"","sideBox":"","snPcode":"","submissionUrl":"/submission","title":"Research Square","twitterHandle":"researchsquare","acdcEnabled":true,"dfaEnabled":false,"editorialSystem":"","reportingPortfolio":"","inReviewEnabled":false,"inReviewRevisionsEnabled":true}}],"origin":"","ownerIdentity":"1811a753-b2ef-4e53-885a-2dcd8e2fbdcf","owner":[],"postedDate":"June 24th, 2025","published":true,"recentEditorialEvents":[],"rejectedJournal":[],"revision":"","amendment":"","status":"posted","subjectAreas":[],"tags":[],"updatedAt":"2025-06-26T16:53:15+00:00","versionOfRecord":[],"versionCreatedAt":"2025-06-24 13:48:56","video":"","vorDoi":"","vorDoiUrl":"","workflowStages":[]},"version":"v1","identity":"rs-6952588","journalConfig":"researchsquare"},"__N_SSP":true},"page":"/article/[identity]/[[...version]]","query":{"redirect":"/article/rs-6952588","identity":"rs-6952588","version":["v1"]},"buildId":"8U1c8b4HqxoKbykW_rLl7","isFallback":false,"isExperimentalCompile":false,"dynamicIds":[84888],"gssp":true,"scriptLoader":[]}