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Association of –1082A>G Polymorphism in the Interleukin-10 Gene with Estimated Glomerular Filtration Rate in Type 2 Diabetes
Author(s) -
Polina Evelise Regina,
da Silva Pereira Bruna Letícia,
Crispim Daisy,
Sbruzzi Renan Cesar,
Canani Luis Henrique,
dos Santos Kátia Gonçalves
Publication year - 2017
Publication title -
kidney and blood pressure research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.806
H-Index - 51
eISSN - 1423-0143
pISSN - 1420-4096
DOI - 10.1159/000485863
Subject(s) - original paper
Background/Aims: The -1082A>G polymorphism (rs1800896) in the interleukin-10 ( IL10 ) gene has been associated with type 2 diabetes and diabetic retinopathy, but its relationship with diabetic kidney disease (DKD) is uncertain. The aim of this case-control study was to investigate whether the -1082A>G polymorphism is associated with DKD in white Brazilians with type 2 diabetes mellitus. Methods: Genotyping was done by real-time polymerase chain reaction for 597 type 2 diabetic outpatients. The definition of DKD was based on estimated glomerular filtration rate (eGFR) and albuminuria, and the patients were grouped in three categories: no DKD (n=249), mild to moderate DKD (n=222), and severe DKD (n=126). Results: The frequency of the minor (G) allele in subjects without DKD did not differ from that observed in subjects with DKD (0.35 vs 0.39, respectively; P = 0.192). Genotype frequencies in subjects without DKD were not significantly different from those observed among patients with mild to moderate DKD or severe DKD. However, considering only the eGFR categories as an indicator of renal function, the AG genotype was independently associated with an increased risk of mildly to moderately decreased eGFR (G3a category) and GG genotype was independently associated with increased risk of kidney failure (G5 category) as compared with AA genotype. Conclusion: Our findings support the hypothesis that the -1082A>G polymorphism in the IL10 gene might be associated with DKD in white Brazilians with type 2 diabetes.

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