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Rare coding variants in CHRNB3 associate with reduced daily cigarette smoking across ancestries - PubMed

4 hours ago
  • #genetics
  • #CHRNB3
  • #smoking
  • Rare coding variants in CHRNB3 gene are associated with reduced daily cigarette smoking.
  • A deleterious missense variant (p.Glu284Gly) in CHRNB3 significantly reduces cigarette consumption, enriched in Indigenous Mexican ancestry.
  • A predicted loss-of-function variant in CHRNB3 also reduces cigarette smoking, found in East Asian ancestry.
  • Rare deleterious variants in CHRNB3 collectively associate with lower cigarette consumption in European ancestry.
  • Findings suggest β3 inhibition as a potential therapeutic strategy for nicotine addiction.
  • Authors include employees/stockholders of Regeneron Pharmaceuticals, with related patent applications.