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- Title
INPPL1 is associated with the metabolic syndrome in men with Type 1 diabetes, but not with diabetic nephropathy.
- Authors
Hyvönen, M. E.; Ihalmo, P.; Forsblom, C.; Thorn, L.; Sandholm, N.; Lehtonen, S.; Groop, P.-h.
- Abstract
Diabet. Med. 29, 1589-1595 (2012) Abstract Aims The metabolic syndrome is a frequent phenomenon in people with Type 1 diabetes and is associated with diabetic nephropathy. The aim of this study was to investigate if the INPPL1 (inositol polyphosphate phosphatase-like 1) gene encoding lipid phosphatase SHIP2 is associated with the metabolic syndrome and diabetic nephropathy in Finnish people with Type 1 diabetes. Methods Participants were selected from the FinnDiane study for this cross-sectional study. The individuals were divided into controls without the metabolic syndrome ( n = 1074) and cases with the metabolic syndrome ( n = 1328), or into groups based upon their albumin excretion rate. Nine single-nucleotide polymorphisms covering the INPPL1 gene +/− 20 kb were genotyped. The associations between the single-nucleotide polymorphisms and outcome variables were analysed with the χ2 test and logistic regression. Results Two INPPL1 single-nucleotide polymorphisms, rs2276048 (silent mutation) and rs2276047 (intronic), were associated with the metabolic syndrome in men with odds ratios of 0.23 (95% CI 0.11-0.45, P = 2.1 × 10−5), and 0.37 (0.21-0.65, P = 0.001), adjusted for age, duration of diabetes and history of smoking. When both sexes were included, these associations were less significant. No association between the genotyped single-nucleotide polymorphisms and diabetic nephropathy was observed. Conclusions INPPL1 gene variants may contribute to susceptibility to the metabolic syndrome in men with Type 1 diabetes, but not to diabetic nephropathy.
- Subjects
DIAGNOSIS of diabetic neuropathies; METABOLIC syndrome diagnosis; GENES; GLOMERULAR filtration rate; GLYCOSYLATED hemoglobin; INOSITOL; DATA analysis; TYPE 1 diabetes; CROSS-sectional method; DISEASE complications; GENETICS
- Publication
Diabetic Medicine, 2012, Vol 29, Issue 12, p1589
- ISSN
0742-3071
- Publication type
Article
- DOI
10.1111/j.1464-5491.2012.03668.x