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Genome-wide association study in 79,366 European-ancestry individuals informs the genetic architecture of 25-hydroxyvitamin D levels.

Abstract:
Vitamin D is a steroid hormone precursor that is associated with a range of human traits and diseases. Previous GWAS of serum 25-hydroxyvitamin D concentrations have identified four genome-wide significant loci (GC, NADSYN1/DHCR7, CYP2R1, CYP24A1). In this study, we expand the previous SUNLIGHT Consortium GWAS discovery sample size from 16,125 to 79,366 (all European descent). This larger GWAS yields two additional loci harboring genome-wide significant variants (P = 4.7×10-9 at rs8018720 in SEC23A, and P = 1.9×10-14 at rs10745742 in AMDHD1). The overall estimate of heritability of 25-hydroxyvitamin D serum concentrations attributable to GWAS common SNPs is 7.5%, with statistically significant loci explaining 38% of this total. Further investigation identifies signal enrichment in immune and hematopoietic tissues, and clustering with autoimmune diseases in cell-type-specific analysis. Larger studies are required to identify additional common SNPs, and to explore the role of rare or structural variants and gene-gene interactions in the heritability of circulating 25-hydroxyvitamin D levels.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41467-017-02662-2

Authors

More by this author
Role:
Author
ORCID:
0000-0003-0907-2548
More by this author
Role:
Author
ORCID:
0000-0002-3746-9086

Contributors

Lorentzon, M


Publisher:
Nature Publishing Group
Journal:
Nature Communications More from this journal
Volume:
9
Issue:
1
Pages:
260
Publication date:
2017-01-01
Acceptance date:
2017-12-15
DOI:
EISSN:
2041-1723


Language:
English
Keywords:
Pubs id:
pubs:820891
UUID:
uuid:3e0746a1-2628-4ccc-8dd6-ca050eac5836
Local pid:
pubs:820891
Source identifiers:
820891
Deposit date:
2018-01-23
ARK identifier:

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