Related Experiment Video

Updated: Nov 23, 2025

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease
09:34

Targeted Next-generation Sequencing and Bioinformatics Pipeline to Evaluate Genetic Determinants of Constitutional Disease

Published on: April 4, 2018

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Genetic Association of a Gain-of-Function IFNGR1 Polymorphism and the Intergenic Region LNCAROD/DKK1 With Behçet's

Lourdes Ortiz Fernández1, Patrick Coit1, Vuslat Yilmaz2

  • 1University of Pittsburgh, Pittsburgh, Pennsylvania.

Arthritis & Rheumatology (Hoboken, N.J.)
|January 4, 2021
PubMed

Insights

This study identified two new genetic loci and replicated six known ones associated with Behçet's disease, advancing our understanding of its genetic underpinnings across diverse populations.

Area of Science:

  • Genetics
  • Immunology
  • Rheumatology

Background:

  • Behçet's disease is a complex systemic inflammatory vasculitis with unknown causes.
  • Genetic factors are implicated, but comprehensive studies across diverse populations are needed.

Purpose of the Study:

  • To investigate genetic associations with Behçet's disease in a large, multiethnic cohort.
  • To identify novel genetic loci and replicate known associations.

Main Methods:

  • Genome-wide genotyping of 9,444 individuals from 7 populations.
  • Analysis of gene expression, epigenetic, and chromatin interaction data.
  • Statistical analysis to identify significant genetic associations.

Main Results:

  • Identified two novel susceptibility loci: IFNGR1 and LNCAROD/DKK1.
  • Replicated six previously known loci (IL10, IL23R, IL12A-AS1, CCR3, ADO, LACC1).
  • Found suggestive associations with over 30 additional loci requiring further validation.

Conclusions:

  • This is the largest genetic association study in Behçet's disease to date.
  • Novel functional variants and extended genetic associations across ancestries were revealed.
  • Findings provide insights into potential causal genes and molecular mechanisms.
Abstract

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