ITRAQ-based proteomics analysis of tanshinone IIA on human ectopic endometrial stromal cells of adenomyosis

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This proteomics study used iTRAQ LC-MS/MS to identify 267 differential proteins in human adenomyosis stromal cells treated with tanshinone IIA, revealing alterations in focal adhesion, ECM-receptor, and estrogen signaling pathways.

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The study examined the molecular mechanisms by which tanshinone IIA (TSIIA) affects ectopic endometrial stromal cells (EESCs) derived from patients with adenomyosis, using iTRAQ-based quantitative proteomics combined with LC–MS/MS and KEGG-based bioinformatic pathway analysis. In TSIIA-treated EESCs, 267 proteins were significantly different, with enrichment of pathways linked to extracellular matrix (ECM)-receptor interactions and estrogen signaling converging on focal adhesion processes, and several differentially expressed proteins (including TNFRSF10D, PLEKHM1, FECH, and TPM1A) were validated by western blotting. The authors explicitly note that the work was designed to detect TSIIA efficacy mechanisms via proteomic profiling, though the results are limited to cell-based protein expression changes without further in vivo or causal mechanistic confirmation. This paper is centrally about adenomyosis — TSIIA’s effects on proteomic pathways in human ectopic endometrial stromal cells from adenomyosis.

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Abstract

PurposeAdenomyosis is a diffuse or localized disease. Our previous study has indicated that tanshinone IIA (TSIIA) inhibits the proliferation, migration, and induces apoptosis of ectopic endometrial stromal cells (EESCs) of adenomyosis. However, the complex molecular mechanism of TSIIA in adenomyosis remains unclear. The objective of this study was to explore the complex molecular mechanism of TSIIA on EESCs.MethodsIn our present study, we used the proteomics approach iTRAQ (isobaric tags for relative and absolute quantitation) combined with LC-MS/MS (liquid chromatography-mass spectrometry) to investigate changes in the protein profile of EESCs treated with TSIIA. Differential proteins were analyzed by employing bioinformatics tools and the Kyoto Encyclopedia of Genes and Genomes (KEGG) database. In TSIIA treated EESCs, the protein expression levels of TNFRSF10D, PLEKHM1, FECH, and TPM1A were detected by western blotting.ResultsQuantitative results revealed 267 significantly differential proteins in TSIIA pretreated EESCs. Gene Ontology (GO) analysis presented an overview of dysregulated proteins in the biological process (BP), cell component (CC), and molecular function (MF) categories. Interestingly, we observed that differential proteins in the extracellular matrix (ECM)-receptor interaction pathway and estrogen signaling pathway were all involved in the focal adhesion pathway, which plays essential roles in the TSIIA-mediated inhibition of EESC proliferation and migration. Furthermore, some significantly differential proteins, which may be potential targets for the treatment of adenomyosis in the future, were validated by western blotting.ConclusionsOur study provides a useful method to detect the detailed mechanism underlying the efficacy of TSIIA on EESCs.
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Abstract

Purpose Adenomyosis is a diffuse or localized disease. Our previous study has indicated that tanshinone IIA (TSIIA) inhibits the proliferation, migration, and induces apoptosis of ectopic endometrial stromal cells (EESCs) of adenomyosis. However, the complex molecular mechanism of TSIIA in adenomyosis remains unclear. The objective of this study was to explore the complex molecular mechanism of TSIIA on EESCs.

Methods

In our present study, we used the proteomics approach iTRAQ (isobaric tags for relative and absolute quantitation) combined with LC–MS/MS (liquid chromatography–mass spectrometry) to investigate changes in the protein profile of EESCs treated with TSIIA. Differential proteins were analyzed by employing bioinformatics tools and the Kyoto Encyclopedia of Genes and Genomes (KEGG) database. In TSIIA treated EESCs, the protein expression levels of TNFRSF10D, PLEKHM1, FECH, and TPM1A were detected by western blotting.

Results

Quantitative results revealed 267 significantly differential proteins in TSIIA pretreated EESCs. Gene Ontology (GO) analysis presented an overview of dysregulated proteins in the biological process (BP), cell component (CC), and molecular function (MF) categories. Interestingly, we observed that differential proteins in the extracellular matrix (ECM)-receptor interaction pathway and estrogen signaling pathway were all involved in the focal adhesion pathway, which plays essential roles in the TSIIA-mediated inhibition of EESC proliferation and migration. Furthermore, some significantly differential proteins, which may be potential targets for the treatment of adenomyosis in the future, were validated by western blotting.

Conclusions

Our study provides a useful method to detect the detailed mechanism underlying the efficacy of TSIIA on EESCs. Similar content being viewed by others

References

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Int J Mol Sci 18(1):99 Funding This work was supported by the Natural Science Foundation of Jiangxi Province under Grant [no. 20181BAB215009]; the National Natural Science Foundation of China under Grant [no. 81660736]. Author information Authors and Affiliations Contributions YL: collected the data and wrote the manuscript. Z-mL: collected the data. LL: performed the experiments. YZ: edited the manuscript. X-yX: performed the experiments. ZZ: analyzed the data. F-YL: analyzed the data. LW: conceive and design the experiments. YX: conceived and designed the experiments, edited the manuscript. Corresponding authors Ethics declarations Conflict of interest The authors declare that they have no conflict of interest. Ethical approval This study was approved by the Ethics Committee of Jiangxi Provincial Maternal and Child Health Hospital (registration number: EC-KY-201302, registered on September 18, 2013). Informed consent Because previous studies have obtained informed consent from patients, and our work is continued to former research, application for exemption of informed consent was approved by the Ethics Committee of Jiangxi Provincial Maternal and Child Health Hospital. Additional information Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations. Rights and permissions About this article Cite this article Luo, Y., Li, Zm., Li, Lp. et al. ITRAQ-based proteomics analysis of tanshinone IIA on human ectopic endometrial stromal cells of adenomyosis. Arch Gynecol Obstet 303, 1501–1511 (2021). https://doi.org/10.1007/s00404-020-05936-1 Received: Accepted: Published: Version of record: Issue date: DOI: https://doi.org/10.1007/s00404-020-05936-1

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adenomyosis

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Adenomyosis Abietanes Cell Proliferation Chromatography, Liquid Female Humans Proteomics Stromal Cells Tandem Mass Spectrometry

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