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- Title
Chromosome Xq23 is associated with lower atherogenic lipid concentrations and favorable cardiometabolic indices.
- Authors
Natarajan, Pradeep; Pampana, Akhil; Graham, Sarah E.; Ruotsalainen, Sanni E.; Perry, James A.; de Vries, Paul S.; Broome, Jai G.; Pirruccello, James P.; Honigberg, Michael C.; Aragam, Krishna; Wolford, Brooke; Brody, Jennifer A.; Antonacci-Fulton, Lucinda; Arden, Moscati; Aslibekyan, Stella; Assimes, Themistocles L.; Ballantyne, Christie M.; Bielak, Lawrence F.; Bis, Joshua C.; Cade, Brian E.
- Abstract
Autosomal genetic analyses of blood lipids have yielded key insights for coronary heart disease (CHD). However, X chromosome genetic variation is understudied for blood lipids in large sample sizes. We now analyze genetic and blood lipid data in a high-coverage whole X chromosome sequencing study of 65,322 multi-ancestry participants and perform replication among 456,893 European participants. Common alleles on chromosome Xq23 are strongly associated with reduced total cholesterol, LDL cholesterol, and triglycerides (min P = 8.5 × 10−72), with similar effects for males and females. Chromosome Xq23 lipid-lowering alleles are associated with reduced odds for CHD among 42,545 cases and 591,247 controls (P = 1.7 × 10−4), and reduced odds for diabetes mellitus type 2 among 54,095 cases and 573,885 controls (P = 1.4 × 10−5). Although we observe an association with increased BMI, waist-to-hip ratio adjusted for BMI is reduced, bioimpedance analyses indicate increased gluteofemoral fat, and abdominal MRI analyses indicate reduced visceral adiposity. Co-localization analyses strongly correlate increased CHRDL1 gene expression, particularly in adipose tissue, with reduced concentrations of blood lipids. The influence of X chromosome genetic variation on blood lipids and coronary heart disease (CHD) is not well understood. Here, the authors analyse X chromosome sequencing data across 65,322 multi-ancestry individuals, identifying associations of the Xq23 locus with lipid changes and reduced risk of CHD and diabetes mellitus.
- Subjects
BLOOD lipids; TYPE 2 diabetes; X chromosome; CHROMOSOMES; LIPIDS
- Publication
Nature Communications, 2021, Vol 12, Issue 1, p1
- ISSN
2041-1723
- Publication type
Article
- DOI
10.1038/s41467-021-22339-1