Genetic links between endometriosis and cancers in women

Salma Begum Bhyan, Li Zhao, YongKiat Wee, Yining Liu, Min Zhao
PeerJ · 2019 · vol. 7 , pp. e8135 · doi:10.7717/peerj.8135 · PMID:31879572 · W2995905876
article OA: gold CC0 ⤵ 22 in-corpus citations
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This study identified 39 key endometriosis-related genes involved in tumor formation and cancer progression, revealing shared genetic mechanisms with four cancers in women and a novel linker gene, C3AR1.

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Abstract

Endometriosis is a chronic disease occurring during the reproductive stage of women. Although there is only limited association between endometriosis and gynecological cancers with regard to clinical features, the molecular basis of the relationship between these diseases is unexplored. We conducted a systematic study by integrating literature-based evidence, gene expression and large-scale cancer genomics data in order to reveal any genetic relationships between endometriosis and cancers in women. We curated 984 endometriosis-related genes from 3270 PubMed articles and then conducted a meta-analysis of the two public gene expression profiles related to endometriosis which identified Differential Expression of Genes (DEGs). Following an overlapping analysis, we identified 39 key endometriosis-related genes common in both literature and DEG analysis. Finally, the functional analysis confirmed that all the 39 genes were associated with the vital processes of tumour formation and cancer progression and that two genes ( PGR and ESR1 ) were common to four cancers of women. From network analysis, we identified a novel linker gene, C3AR1 , which had not been implicated previously in endometriosis. The shared genetic mechanisms of endometriosis and cancers in women identified in this study provided possible new avenues of multiple disease management and treatments through early diagnosis.

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endometriosis

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