Journal
DIABETES OBESITY & METABOLISM
Volume 25, Issue 10, Pages 3012-3019Publisher
WILEY
DOI: 10.1111/dom.15199
Keywords
diabetic kidney disease; lipoprotein lipase; polymorphisms; SNP; T2D
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This study aimed to investigate the association between lipoprotein lipase (LPL) polymorphisms and susceptibility to diabetic kidney disease (DKD) and early renal function decline in Chinese patients with type 2 diabetes (T2D). The results showed significant association between LPL single nucleotide polymorphisms (SNPs) and DKD, suggesting that LPL-related SNPs may contribute to the rapid loss of renal function in Chinese patients with T2D.
Aim: To examine the association between lipoprotein lipase (LPL) polymorphisms and susceptibility to diabetic kidney disease (DKD) and early renal function decline in Chinese patients with type 2 diabetes (T2D). Methods: The association of eight LPL single nucleotide polymorphisms (SNPs) with DKD was analysed in 2793 patients with T2D from the third China National Stroke Registry. DKD was defined as either an urine albumin-to-creatinine ratio (UACR) of 30 mg/g or higher at baseline and 3 months, or an estimated glomerular filtration rate (eGFR) of less than 60 mL/min/1.73 m(2) at baseline and 3 months. Rapid decline in kidney function (RDKF) was defined as a reduction in the eGFR of 3 mL/min/1.73 m(2) or greater per year. Logistic regression models were used to evaluate the association of LPL SNP and DKD with an additive model. Results: The SNPs rs285 C>T (OR = 1.40, P =.0154), rs328 C>G (OR = 2.24, P =.0104) and rs3208305 A>T (OR = 1.85, P =.0015) were identified to be significantly associated with DKD defined by eGFR. Among 1241 participants with followup data, 441 (35.5%) showed RDKF over a mean follow-up period of 1 year, and the rs285 C allele was associated with higher odds of RDKF (OR = 1.31, 95% CI 1.04-1.66; P =.025) after adjustment for multiple variables. Conclusions: These results suggest that LPL-related SNPs are new candidate factors for conferring susceptibility to DKD and may promote rapid loss of renal function in Chinese patients with T2D.
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