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Combined Proteomics and Transcriptomics Identifies Serpin Family C Member 1 Associated Protein as a Biomarker of Endometriosis

ABSTRACT: Objective: To explore potential biomarkers indicating endometriosis. Results: A sum of 979 mRNAs and 39 proteins were tested to be significantly differentially expression in the standard cluster compared with the endometriosis cluster. Venn analysis showed a filtered signature of only two down-regulated molecules in the EM group, i.e., fetuin B and serpin family C member 1; the latter showed a big variance between the control category and the EM set in the authentication test. Conclusion: Serpin family C member 1 may be a useful possible biomarker for the analysis of EM.

ORGANISM(S): Homo sapiens

PROVIDER: GSE232713 | GEO | 2023/05/22

REPOSITORIES: GEO

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Combined Proteomics and Transcriptomics Identifies Serpin Family C Member 1 Associated Protein as a Biomarker of Endometriosis

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Project description:Endometriosis (EM) is a well-recognized disease that causes infertility in women of reproductive age. Tubal EM adversely affects fallopian tube function and female reproductive outcomes. Our study aimed to evaluate the effect of tubal EM on tubal epithelial ultrastructure and to explore the possible mechanisms of tubal infertility by analyzing the differential expression of exosomal microRNAs (miRNAs) in tubal fluid. We obtained human fallopian tube epithelium and tubal fluid samples from patients with and without tubal EM. We used scanning electron microscopy (SEM) and transmission electron microscopy (TEM) to assess ultrastructural changes. Exosomal miRNAs in tubal fluid were extracted for microarray. We visualized epithelial damage in the tubal EM group using electron microscopy. The number of organelles decreased, and organelle structure was destroyed. A total of 14 differentially expressed exosomal miRNAs were detected in tubal fluid (fold change >2 and P value <0.05). Four miRNAs (miR-1273f, miR-5699-5p, miR-6087, miR-6747-5p) were validated by quantitative real-time polymerase chain reaction (qRT-PCR). Bioinformatic analysis showed that most of the target genes participated in embryo transport, regulation of cell communication, anatomical structure morphogenesis, and immune system processes. We verified that tubal EM damaged the tubal epithelial ultrastructure in human specimens and identified differentially expressed exosomal miRNAs in tubal liquid. These findings may elucidate the pathogenesis of tubal EM-associated infertility.

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