ArticleCell genomics2024
Genetic and functional analysis of Raynaud's syndrome implicates loci in vasculature and immunity.
Article in Cell genomics, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers, 1 of them a synthesis that pooled it.
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Who cites it
4 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Novel pleiotropic loci link vascular and immune pathways in systemic sclerosis and primary Raynaud's phenomenon.Rheumatology (Oxford, England) · 2026Pooled it
- Readdressing the role of ADRA2A in Raynaud's phenomenon: Methodological concerns and implications.Cell genomics · 2025Article
- Response to Dr. Nicholas A. Flavahan's and Dr. Ali H. Eid's letters regarding our recent publication in Cell Genomics.Cell genomics · 2025Article
- α2 adrenoceptors, cold-induced vasoconstriction, and Raynaud's phenomenon.Cell genomics · 2025Article
Corrections and comments
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Authors and funding
30 authors.
Funding
Abstract
Raynaud's syndrome is a dysautonomia where exposure to cold causes vasoconstriction and hypoxia, particularly in the extremities. We performed meta-analysis in four cohorts and discovered eight loci (ADRA2A, IRX1, NOS3, ACVR2A, TMEM51, PCDH10-DT, HLA, and RAB6C) where ADRA2A, ACVR2A, NOS3, TMEM51, and IRX1 co-localized with expression quantitative trait loci (eQTLs), particularly in distal arteries. CRISPR gene editing further showed that ADRA2A and NOS3 loci modified gene expression and in situ RNAscope clarified the specificity of ADRA2A in small vessels and IRX1 around small capillaries in the skin. A functional contraction assay in the cold showed lower contraction in ADRA2A-deficient and higher contraction in ADRA2A-overexpressing smooth muscle cells. Overall, our study highlights the power of genome-wide association testing with functional follow-up as a method to understand complex diseases. The results indicate temperature-dependent adrenergic signaling through ADRA2A, effects at the microvasculature by IRX1, endothelial signaling by NOS3, and immune mechanisms by the HLA locus in Raynaud's syndrome.
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Registered trials
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