期刊
DIABETES
卷 54, 期 1, 页码 268-274出版社
AMER DIABETES ASSOC
DOI: 10.2337/diabetes.54.1.268
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资金
- NCRR NIH HHS [M01-RR-165001] Funding Source: Medline
- NIDDK NIH HHS [DK-02673, DK-54361] Funding Source: Medline
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [K24DK002673] Funding Source: NIH RePORTER
We performed a genome-wide linkage scan of plasma adiponectin levels in 569 nondiabetic participants in the Amish Family Diabetes Study. The highest logarithm of odds (LOD) score (2.13; P = 0.0009) occurred on chromosome 3q27 between markers D3S1602 and D3S1580, which flank APM1/ACDC, the adiponectin gene. The APM1 +2019 A/- insertion/deletion polymorphism in the 3' untranslated region (single nucleotide polymorphism [SNP] +2019; deletion allele frequency 0.30 in Amish) showed strong association with adiponectin levels in a dosage-dependent manner in a direction consistent with that reported in previous studies, with deletion heterozygosity increasing adiponectin levels by 1.3 +/- 0.5 mug/ml and deletion homozygosity increasing levels by 3.0 +/- 0.8 mug/ml (P < 0.0001). Two other SNPs, rs2241766 and rs1501299, showed moderate association. In a subset of 523 subjects genotyped for both SNP +2019 and rs2241766, including the APMI SNP +2019 genotype as a covariate reduced the linkage signal at 3q27 by 1.26 LOD units (from 2.22 to 0.96) and including both SNPs reduced the signal by 1.51 LOD units (to 0.71). These findings, combined with a two-point LOD score of 2.35 for SNP +2019, provide evidence that variation in APMI is responsible for linkage of adiponectin levels to 3q27 in the Old Order Amish.
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