In vivo (Athens, Greece) · 2021
Novel NR4A1 Arg293Ser Mutation in Patients With Familial Crohn's Disease.
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Masago Katsuhiro, Fujita Shiro
Аннотация
BACKGROUND/AIM: The underlying etiology of Crohn's disease remains unknown. The aim of this study was to identify genomic alterations associated with the development of Crohn's disease in one Japanese family with a family history of Crohn's disease.
MATERIALS AND METHODS: We performed whole-exome sequence and pedigree analysis of a Japanese family in which both sisters developed Crohn's disease. Whole-exome sequencing was performed using the Ion Torrent Proton™ system. Data from the Proton runs were initially processed using the Ion Torrent platform-specific pipeline software Ion Reporter. An autosomal dominant mode of inheritance was assumed, and stringent selection criteria were applied.
RESULTS: A substitution in the NR4A1 gene at codon 293 resulting in an amino acid change from arginine to serine was identified only in the affected sisters.
CONCLUSION: The impaired DNA-binding capacity of the NR4A1 protein due to an NR4A1 germline mutation may be a possible cause of Crohn's disease.
MATERIALS AND METHODS: We performed whole-exome sequence and pedigree analysis of a Japanese family in which both sisters developed Crohn's disease. Whole-exome sequencing was performed using the Ion Torrent Proton™ system. Data from the Proton runs were initially processed using the Ion Torrent platform-specific pipeline software Ion Reporter. An autosomal dominant mode of inheritance was assumed, and stringent selection criteria were applied.
RESULTS: A substitution in the NR4A1 gene at codon 293 resulting in an amino acid change from arginine to serine was identified only in the affected sisters.
CONCLUSION: The impaired DNA-binding capacity of the NR4A1 protein due to an NR4A1 germline mutation may be a possible cause of Crohn's disease.