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Genetics in Behcet's Disease: An Update Review.

Yu Gao¹, Zhenyu Zhong¹, Peizeng Yang¹

¹The First Affiliated Hospital of Chongqing Medical University, Chongqing Key Laboratory of Ophthalmology, Chongqing Eye Institute, and Chongqing Branch of National Clinical Research Center for Ocular Diseases, Chongqing, China.

Frontiers in Ophthalmology

|July 10, 2024

Summary

Behcet's disease pathogenesis involves genetic and epigenetic factors. Research identifies numerous genetic variants and epigenetic modifications, like DNA methylation, contributing to this vision-threatening uveitis.

Keywords:

Behcet’s disease copy number variation epigenetic modification genetics single nucleotide polymorphism

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Area of Science:

Ophthalmology
Immunology
Genetics

Background:

Behcet's disease (BD) is a significant cause of vision loss due to uveitis.
The exact causes of BD are not fully understood, but genetic and environmental factors are implicated.

Purpose of the Study:

To review recent advancements in understanding the genetic and epigenetic factors contributing to Behcet's disease pathogenesis.

Main Methods:

Review of genome-wide association studies (GWAS) and candidate association studies.
Analysis of identified genetic variants associated with BD.
Examination of epigenetic modifications, including DNA methylation and histone modification.

Main Results:

Numerous genetic variants linked to BD have been identified, particularly within the human leukocyte antigen (HLA) complex and various immune-related genes (e.g., IL10, IL23R, TNFAIP3).
Epigenetic factors such as DNA methylation and histone modifications are recognized as crucial in BD development.
Specific genetic associations include HLA variants and genes involved in immune response pathways.

Conclusions:

Genetic predisposition, influenced by specific HLA and non-HLA variants, plays a key role in Behcet's disease.
Epigenetic alterations are integral to the pathogenesis of Behcet's disease.
Further research into these genetic and epigenetic factors is essential for understanding and potentially treating Behcet's disease.