β-defensin 1 Gene Polymorphisms are Associated with Kidney Disease in Northwestern Mexicans with Type 2 Diabetes

Diabetic kidney disease (DKD) is one of the more limiting complications to the quality of life of diabetes mellitus patients. Studies including cultured cells, animal models, and case-control studies highlight the role of human β-defensin-1 (hBD-1) in diabetes. This study assessed the association of...

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Published in:Immunological investigations 2022-07, Vol.51 (5), p.1398-1406
Main Authors: Ochoa-Ramirez, Luis Antonio, Rodriguez Millan, José, Mendoza Vázquez, Luis Fernando, Díaz-Camacho, Sylvia Paz, Verdugo Quiñonez, Samantha Isabel, Rojas-Herrera, Dulce Carolina, López Castro, Martín, Prado Montes de Oca, Ernesto, Velarde-Felix, Jesús Salvador
Format: Article
Language:English
Subjects:
DEFB1 polymorphisms
diabetic kidney disease
type 2 diabetes mellitus
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Summary:Diabetic kidney disease (DKD) is one of the more limiting complications to the quality of life of diabetes mellitus patients. Studies including cultured cells, animal models, and case-control studies highlight the role of human β-defensin-1 (hBD-1) in diabetes. This study assessed the association of hBD-1 gene (DEFB1) functional variations −52 G/A (rs1799946), −44 C/G (rs1800972) and −20 G/A (rs11362) with type 2 diabetes mellitus (T2DM) in order to investigate its effects on genetic susceptibility and progression to DKD in a Mexican population. A total of 214 T2DM patients with and without DKD (n = 102 and n = 112, respectively) and 117 healthy subjects participated in this case-control study. Genotyping was made by PCR-RFLPs. Clinical and biochemical parameters of all patients were measured. There was no statistically significant difference in genotype or allele frequencies between patients and healthy individuals. Nevertheless, compared with patients without DKD, DKD patients have a reduced prevalence of AA genotype of −52 G/A (OR = 0.307, 95% CI = 0.104-0.905, p =.026), as well as a higher frequency of GA genotype of −20 G/A variant (OR = 1.875, 95%CI = 1.031-3.409, p = .038). Our results suggest that rs1799946 and rs11362 could be useful variants to stratify T2DM Mexican patients in order to prescribe closer follow-up to prevent or retard DKD. Further tests in different ethnic groups are encouraged.
ISSN:0882-0139
1532-4311
DOI:10.1080/08820139.2021.1948564