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OR11H1 Missense Variant Confers the Susceptibility to Vogt‒Koyanagi‒Harada Disease by Mediating Gadd45g Expression
Vogt‒Koyanagi‒Harada (VKH) disease is a severe autoimmune disease. Herein, whole‐exome sequencing (WES) study are performed on 2,573 controls and 229 VKH patients with follow‐up next‐generation sequencing (NGS) in a collection of 2,380 controls and 2,278 VKH patients. A rare c.188T>C (p Val63Ala) variant in the olfactory receptor 11H1 (OR11H1) gene is found to be significantly associated with VKH disease (rs71235604, Pcombined = 7.83 × 10−30, odds ratio = 3.12). Functional study showes that OR11H1‐A63 significantly increased inflammatory factors production and exacerbated barrier function damage. Further studies using RNA‐sequencing find that OR11H1‐A63 markedly increased growth arrest and DNA‐damage‐inducible gamma (GADD45G) expression. Moreover, OR11H1‐A63 activates the MAPK and NF‐κB pathways, and accelerates inflammatory cascades. In addition, inhibiting GADD45G alleviates inflammatory factor secretion, likely due to the regulatory effect of GADD45G on the MAPK and NF‐κB pathways. Collectively, this study suggests that the OR11H1‐A63 missense mutation may increase susceptibility to VKH disease in a GADD45G‐dependent manner.
OR11H1 Missense Variant Confers the Susceptibility to Vogt‒Koyanagi‒Harada Disease by Mediating Gadd45g Expression
Vogt‒Koyanagi‒Harada (VKH) disease is a severe autoimmune disease. Herein, whole‐exome sequencing (WES) study are performed on 2,573 controls and 229 VKH patients with follow‐up next‐generation sequencing (NGS) in a collection of 2,380 controls and 2,278 VKH patients. A rare c.188T>C (p Val63Ala) variant in the olfactory receptor 11H1 (OR11H1) gene is found to be significantly associated with VKH disease (rs71235604, Pcombined = 7.83 × 10−30, odds ratio = 3.12). Functional study showes that OR11H1‐A63 significantly increased inflammatory factors production and exacerbated barrier function damage. Further studies using RNA‐sequencing find that OR11H1‐A63 markedly increased growth arrest and DNA‐damage‐inducible gamma (GADD45G) expression. Moreover, OR11H1‐A63 activates the MAPK and NF‐κB pathways, and accelerates inflammatory cascades. In addition, inhibiting GADD45G alleviates inflammatory factor secretion, likely due to the regulatory effect of GADD45G on the MAPK and NF‐κB pathways. Collectively, this study suggests that the OR11H1‐A63 missense mutation may increase susceptibility to VKH disease in a GADD45G‐dependent manner.
OR11H1 Missense Variant Confers the Susceptibility to Vogt‒Koyanagi‒Harada Disease by Mediating Gadd45g Expression
Li, Xingran (author) / Wang, Guoqing (author) / Wang, Xiaotang (author) / Li, Wanqian (author) / Li, Na (author) / Liu, Xianyang (author) / Fan, Wei (author) / He, Siyuan (author) / Han, Yue (author) / Su, Guannan (author)
Advanced Science ; 11
2024-03-01
9 pages
Article (Journal)
Electronic Resource
English
Vogt-Koyanagi-Harada syndrome: about one case
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