Abstract
To identify genetic variants associated with birth weight, we meta-analyzed six genome-wide association (GWA) studies (n = 10,623 Europeans from pregnancy/birth cohorts) and followed up two lead signals in 13 replication studies (n = 27,591). rs900400 near LEKR1 and CCNL1 (P = 2 x 10(-35)) and rs9883204 in ADCY5 (P = 7 x 10(-15)) were robustly associated with birth weight. Correlated SNPs in ADCY5 were recently implicated in regulation of glucose levels and susceptibility to type 2 diabetes(1), providing evidence that the well-described association between lower birth weight and subsequent type 2 diabetes(2,3) has a genetic component, distinct from the proposed role of programming by maternal nutrition. Using data from both SNPs, we found that the 9% of Europeans carrying four birth weight-lowering alleles were, on average, 113 g (95% CI 89-137 g) lighter at birth than the 24% with zero or one alleles (P-trend = 7 x 10(-30)). The impact on birth weight is similar to that of a mother smoking 4-5 cigarettes per day in the third trimester of pregnancy(4).
| Original language | Undefined/Unknown |
|---|---|
| Pages (from-to) | 430-U73 |
| Journal | Nature Genetics |
| Volume | 42 |
| Issue number | 5 |
| DOIs | |
| Publication status | Published - 2010 |
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This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 3 Good Health and Well-being
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- EMC MGC-02-52-01-A
- EMC MM-01-39-02
- EMC MM-04-54-08-A
- EMC NIHES-01-64-01
- EMC NIHES-01-64-02
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