Journal
REPRODUCTION FERTILITY AND DEVELOPMENT
Volume 34, Issue 12, Pages 805-818Publisher
CSIRO PUBLISHING
DOI: 10.1071/RD21131
Keywords
asthenozoospermia; azoospermia; biomarkers; male infertility; miRNA; oligoasthenozoospermic; sperm; spermatogenesis
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In this review, the role of miRNAs in male infertility pathology was analyzed, with a focus on identifying relevant biomarkers and potential therapeutic targets. By selecting and examining miRNAs with altered expressions in testis tissue, researchers were able to identify signaling pathways and protein interactions associated with male infertility, confirming the PI3K-Akt signaling pathway as the most affected and relevant pathway.
Male infertility is a multifactorial disorder that involves different physiopathological mechanisms and multiple genes. In this sense, we analyse the role of miRNAs in this pathology. Gene expression analysis can provide relevant information to detect biomarkers, signalling pathways, pathologic mechanisms, and potential therapeutic targets for the disease. In this review, we describe four miRNA microarrays related to patients who present infertility diseases, including azoospermia, asthenozoospermia, and oligoasthenozoospermic. We selected 13 miRNAs with altered expressions in testis tissue (hsa-miR-122-5p, hsa-miR-145-5p, hsa-miR-16-5p, hsa-miR-193a-3p, hsa-miR-19a-3p, hsa-miR-23a-3p, hsa-miR-30b-5p, hsa-miR-34b-5p, hsa-miR-34c-5p, hsa-miR374b-5p, hsa-miR-449a, hsa-miR-574-3p and hsa-miR-92a-3p), and systematically examine the mechanisms of four relevant miRNAs (hsa-miR-16-5p, hsa-miR-19a-3p, hsa-miR-92a-3p and hsa-miR-30b-5p) which we found that regulated a large number of proteins. An interaction network was generated, and its connections allowed us to identify signalling pathways and interactions between proteins associated with male infertility. In this way, we confirm that the most affected and relevant pathway is the PI3K-Akt signalling.
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