Identifying Causal Genes in Alopecia Areata Using Integrative Analysis of Differential Expression and Mendelian Randomization

July 2024

Huixia Zhao, Xiaoyuan He, Yuting Zhang, Xiaoli Ning, Zhian Hu, Zhenrun Zhan, Chong Gao, Jing Luo

alopecia areata GIMAP6 ALOX15 GALNT6 HEG1 differentially expressed genes Mendelian randomization AA

TLDR Four genes are linked to alopecia areata, with two increasing risk and two offering protection.

This study aimed to identify causal genes related to Alopecia areata (AA) using bioinformatics and Mendelian randomization. Researchers identified 429 up-regulated and 423 down-regulated differentially expressed genes (DEGs). Four intersecting genes were found to have a causal relationship with AA: GIMAP6 and ALOX15, which are risk factors, and GALNT6 and HEG1, which are protective factors. Validation analysis showed significant differences in the GALNT6 and HEG1 genes between the AA experimental group and the normal control group. These findings provide new insights into the pathogenesis and potential clinical approaches for AA.

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