GWAS of random glucose in 476,326 individuals provide insights into diabetes pathophysiology, complications and treatment stratification.
Journal
Nature genetics
ISSN: 1546-1718
Titre abrégé: Nat Genet
Pays: United States
ID NLM: 9216904
Informations de publication
Date de publication:
09 2023
09 2023
Historique:
received:
18
09
2021
accepted:
27
06
2023
medline:
11
9
2023
pubmed:
8
9
2023
entrez:
7
9
2023
Statut:
ppublish
Résumé
Conventional measurements of fasting and postprandial blood glucose levels investigated in genome-wide association studies (GWAS) cannot capture the effects of DNA variability on 'around the clock' glucoregulatory processes. Here we show that GWAS meta-analysis of glucose measurements under nonstandardized conditions (random glucose (RG)) in 476,326 individuals of diverse ancestries and without diabetes enables locus discovery and innovative pathophysiological observations. We discovered 120 RG loci represented by 150 distinct signals, including 13 with sex-dimorphic effects, two cross-ancestry and seven rare frequency signals. Of these, 44 loci are new for glycemic traits. Regulatory, glycosylation and metagenomic annotations highlight ileum and colon tissues, indicating an underappreciated role of the gastrointestinal tract in controlling blood glucose. Functional follow-up and molecular dynamics simulations of lower frequency coding variants in glucagon-like peptide-1 receptor (GLP1R), a type 2 diabetes treatment target, reveal that optimal selection of GLP-1R agonist therapy will benefit from tailored genetic stratification. We also provide evidence from Mendelian randomization that lung function is modulated by blood glucose and that pulmonary dysfunction is a diabetes complication. Our investigation yields new insights into the biology of glucose regulation, diabetes complications and pathways for treatment stratification.
Identifiants
pubmed: 37679419
doi: 10.1038/s41588-023-01462-3
pii: 10.1038/s41588-023-01462-3
pmc: PMC10484788
doi:
Substances chimiques
Glucose
IY9XDZ35W2
Blood Glucose
0
Types de publication
Meta-Analysis
Journal Article
Research Support, N.I.H., Extramural
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Pagination
1448-1461Subventions
Organisme : Medical Research Council
ID : MC_UU_00006/1
Pays : United Kingdom
Organisme : British Heart Foundation
ID : CH/1992001/6764
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/N003284/1
Pays : United Kingdom
Organisme : NIDDK NIH HHS
ID : U01 DK105535
Pays : United States
Organisme : British Heart Foundation
ID : SP/19/2/34462
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/R010676/1
Pays : United Kingdom
Organisme : Medical Research Council
ID : MR/M009203/1
Pays : United Kingdom
Organisme : Wellcome Trust
Pays : United Kingdom
Organisme : Medical Research Council
ID : MC_PC_14089
Pays : United Kingdom
Organisme : Medical Research Council
ID : MC_EX_MR/M009203/1
Pays : United Kingdom
Organisme : NIDDK NIH HHS
ID : R01 DK072193
Pays : United States
Investigateurs
Marcel den Hoed
(M)
Cornelia M van Duijn
(CM)
Informations de copyright
© 2023. The Author(s).
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