Article
Non-coding autoimmune risk variant defines role for ICOS in T peripheral helper cell development.
Nature communications - 9 Mar 2024
Kim Taehyeung, Martínez-Bonet Marta, Wang Qiang, Hackert Nicolaj, Sparks Jeffrey A, Baglaenko Yuriy, Koh Byunghee, Darbousset Roxane, Laza-Briviesca Raquel, Chen Xiaoting, Aguiar Vitor R C, Chiu Darren J, Westra Harm-Jan, Gutierrez-Arcelus Maria, Weirauch Matthew T, Raychaudhuri Soumya, Rao Deepak A, Nigrovic Peter A
Abstract excerpt
Fine-mapping and functional studies implicate rs117701653, a non-coding single nucleotide polymorphism in the CD28/CTLA4/ICOS locus, as a risk variant for rheumatoid arthritis and type 1 diabetes. Here, using DNA pulldown, mass spectrometry, genome editing and eQTL analysis, we establish that the disease-associated risk allele is functional, reducing affinity for the inhibitory chromosomal regulator SMCHD1 to...
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