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Bonnefond, A.* ; Clément, N.* ; Fawcett, K.* ; Yengo, L.* ; Vaillant, E.* ; Guillaume, J.L.* ; Dechaume, A.* ; Payne, F.* ; Roussel, R.* ; Czernichow, S.* ; Hercberg, S.* ; Hadjadj, S.* ; Balkau, B.* ; Marre, M.* ; Lantieri, O.* ; Langenberg, C.* ; Bouatia-Naji, N.* ; MAGIC Investigators (Grallert, H. ; Meisinger, C. ; Thorand, B. ; Wichmann, H.-E. ; Illig, T. ; Gieger, C.) ; Charpentier, G.* ; Vaxillaire, M.* ; Rocheleau, G.* ; Wareham, N.J.* ; Sladek, R.* ; McCarthy, M.I.* ; Dina, C.* ; Barroso, I.* ; Jockers, R.* ; Froguel, P.*

Rare MTNR1B variants impairing melatonin receptor 1B function contribute to type 2 diabetes.

Nat. Genet. 44, 297-301 (2012)
DOI PMC
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Genome-wide association studies have revealed that common noncoding variants in MTNR1B (encoding melatonin receptor 1B, also known as MT(2)) increase type 2 diabetes (T2D) risk(1,2). Although the strongest association signal was highly significant (P < 1 × 10(-20)), its contribution to T2D risk was modest (odds ratio (OR) of ∼1.10-1.15)(1-3). We performed large-scale exon resequencing in 7,632 Europeans, including 2,186 individuals with T2D, and identified 40 nonsynonymous variants, including 36 very rare variants (minor allele frequency (MAF) <0.1%), associated with T2D (OR = 3.31, 95% confidence interval (CI) = 1.78-6.18; P = 1.64 × 10(-4)). A four-tiered functional investigation of all 40 mutants revealed that 14 were non-functional and rare (MAF < 1%), and 4 were very rare with complete loss of melatonin binding and signaling capabilities. Among the very rare variants, the partial- or total-loss-of-function variants but not the neutral ones contributed to T2D (OR = 5.67, CI = 2.17-14.82; P = 4.09 × 10(-4)). Genotyping the four complete loss-of-function variants in 11,854 additional individuals revealed their association with T2D risk (8,153 individuals with T2D and 10,100 controls; OR = 3.88, CI = 1.49-10.07; P = 5.37 × 10(-3)). This study establishes a firm functional link between MTNR1B and T2D risk.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Sprache englisch
Veröffentlichungsjahr 2012
HGF-Berichtsjahr 2013
ISSN (print) / ISBN 1061-4036
e-ISSN 1546-1718
Zeitschrift Nature Genetics
Quellenangaben Band: 44, Heft: 3, Seiten: 297-301 Artikelnummer: , Supplement: ,
Verlag Nature Publishing Group
Verlagsort New York, NY
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Epidemiology (EPI)
Institute of Experimental Genetics (IEG)
Research Unit Molecular Epidemiology (AME)
Institute of Genetic Epidemiology (IGE)
POF Topic(s) 30202 - Environmental Health
30201 - Metabolic Health
30503 - Chronic Diseases of the Lung and Allergies
30501 - Systemic Analysis of Genetic and Environmental Factors that Impact Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-504000-006
G-521500-002
G-504000-002
G-503900-001
G-504200-001
G-504100-001
PubMed ID 22286214
DOI 10.1038/ng.1053
Erfassungsdatum 2013-12-11
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