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  • Title: The potential role of hsa_circ_0001079 in androgenetic alopecia via sponging hsa-miR-136-5p.
    Author: Wei H, Xu X, Yang S, Liu C, Li Q, Jin P.
    Journal: J Clin Lab Anal; 2022 Jan; 36(1):e24021. PubMed ID: 34788492.
    Abstract:
    BACKGROUND: Androgenetic alopecia (AGA) is an androgen-dependent polygenic hereditary disease. METHODS: Diseased hair follicles from 5 AGA patients and normal hair follicles from 5 healthy individuals were selected as specimens to carry out whole transcriptome sequencing. Multiple high-expression circular RNAs (circRNAs) were screened from the diseased group. We further verified the presence of the circRNAs in the clinical specimens by real-time fluorescence quantitative PCR (qRT-PCR). RESULTS: In total, 100 circRNAs were significantly upregulated, and 184 circRNAs were significantly downregulated. The top 10 upregulated circRNAs were hsa_circ_0101041, hsa_circ_0001578, hsa_circ_0135062, hsa_circ_0002980, hsa_circ_0005062, hsa_circ_0072688, hsa_circ_0133954, hsa_circ_0001079, hsa_circ_0005974, hsa_circ_0000489. The top 10 downregulated circRNAs were hsa_circ_0001278, hsa_circ_0031482, hsa_circ_0008285, hsa_circ_0003784, hsa_circ_0077096, hsa_circ_0001148, hsa_circ_0006886, hsa_circ_0000638, hsa_circ_0084521, and hsa_circ_0101074. Among top 10 upregulated circRNAs, hsa_circ_0001079 showed significantly high expression via large-sample verification and clinical application potential. Based on a database comparison and base pairing analysis, we found that has-miR-136-5p bound to hsa_circ_0001079 and that hsa-miR-136-5p had potential binding sites with Wnt5A. CONCLUSION: In summary, through high-throughput sequencing and bioinformatic analysis, a potential diagnostic marker for alopecia and a key circRNA that might adsorb microRNA (miRNA) through a sponging mechanism, thus mediating alopecia, were discovered in this study.
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