Genome-Wide MicroRNA Analysis Implicates miR-30b/d in the Etiology of Alopecia Areata.

The Journal of Investigative Dermatology
Aylar TafazzoliRegina C Betz

Abstract

Alopecia areata (AA) is one of the most common forms of human hair loss. Although genetic studies have implicated autoimmune processes in AA etiology, understanding of the etiopathogenesis is incomplete. Recent research has implicated microRNAs, a class of small noncoding RNAs, in diverse autoimmune diseases. To our knowledge, no study has investigated the role of microRNAs in AA. In this study, gene-based analyses were performed for microRNAs using data of the largest genome-wide association meta-analysis of AA to date. Nominally, significant P-values were obtained for 78 of the 617 investigated microRNAs. After correction for multiple testing, three of the 78 microRNAs remained significant. Of these, miR-30b/d was the most significant microRNA for the follow-up analyses, which also showed lower expression in the hair follicle of AA patients. Target gene analyses for the three microRNAs showed 42 significantly associated target genes. These included IL2RA, TNXB, and ERBB3, which had been identified as susceptibility loci in previous genome-wide association studies. Using luciferase assay, site-specific miR-30b regulation of the AA risk genes IL2RA, STX17, and TNXB was validated. This study implicates microRNAs in the pathogene...Continue Reading

Citations

Jan 22, 2020·Experimental Dermatology·David Broadley, Kevin J McElwee
Dec 5, 2019·International Journal of Dermatology·Alfredo RossiMarta Carlesimo
Oct 4, 2019·Giornale Italiano Di Dermatologia E Venereologia : Organo Ufficiale, Società Italiana Di Dermatologia E Sifilografia·Alfredo RossiMaria C Fortuna
Dec 19, 2019·Frontiers in Immunology·Farzan SolimaniKamran Ghoreschi
Dec 19, 2020·Frontiers in Immunology·Ken-Ichi Matsumoto, Hiroki Aoki
Mar 24, 2021·G3 : Genes - Genomes - Genetics·Erhan HaiYanjun Zhang
Aug 18, 2021·Clinical Reviews in Allergy & Immunology·Cheng ZhouJianzhong Zhang

❮ Previous
Next ❯

Related Concepts

Related Feeds

Autoimmune Diseases

Autoimmune diseases occur as a result of an attack by the immune system on the body’s own tissues resulting in damage and dysfunction. There are different types of autoimmune diseases, in which there is a complex and unknown interaction between genetics and the environment. Discover the latest research on autoimmune diseases here.