Cure8 news brief
The study helps explain how noncoding genetic variants may influence Crohn’s disease by altering 3D genome interactions in rare gut-associated immune cells (ILC3s), pointing to new genes and pathways that could be relevant to disease biology.
Researchers in IBD genetics and immunology; clinicians interested in disease mechanisms; informed patients following IBD research advances.
Researchers used a miniaturized Capture Hi-C method to profile long-range promoter interactions in type 3 innate lymphoid cells (ILC3s), a scarce immune population at barrier tissues such as the gut.
By connecting disease-associated noncoding variants to the genes they likely regulate, the team highlighted known Crohn’s genes and newly implicated candidates (for example, CLN3 was reported to affect inflammatory signalling in ILC3s).
The work is reported in Nature Genetics and represents a genome-wide, integrative approach that focuses on regulatory architecture rather than coding variation. Findings help explain how noncoding risk variants can act in specific cell types relevant to intestinal inflammation.
Reported in Nature Genetics and using a miniaturized Capture Hi-C technique, the study provides high-resolution promoter interaction maps for scarce ILC3s and performs integrative analyses to nominate gene targets of regulatory risk variants.
Laboratory follow-up on at least one gene (CLN3) is described; this is mechanistic research rather than a clinical trial or therapeutic report.
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The work helps bridge genetic association signals and the specific immune cells in the intestine where they may act, offering new candidate genes and a method that can probe rare cell types important to IBD biology.
This study helps move beyond assigning GWAS risk variants to the nearest gene by mapping 3D promoter contacts in gut-enriched ILC3s, so it uncovers new candidate genes and pathways that could explain Crohn’s and other...
Mapping 3D genome contacts in rare gut immune cells connects Crohn’s disease genetic risk variants to specific genes and pathways, which can clarify disease mechanisms and guide future drug-target research. The study...
