Association Study of Mitochondrial DNA Haplogroup D and C5178A Polymorphisms with Chronic Kidney Disease.

Genet Test Mol Biomarkers

Key Laboratory of Arrhythmias of the Ministry of Education of China, Department of Pathology and Pathophysiology, Tongji University School of Medicine, Shanghai, China.

Published: August 2021

To explore the associations of common mitochondrial DNA polymorphisms with chronic kidney disease (CKD). Data from 286 longevous individuals aged 95 years or older from the longevity arm from the Rugao Longevity and Ageing Study (RuLAS) were used. Twenty-eight common haplogroups defined by 33 single nucleotide polymorphisms were genotyped using SNaPshot minisequencing reaction assays. The creatinine-based estimated glomerular filtration rate (eGFR) was calculated using the Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) equation. The prevalence of CKD was 23.6% among the longevous participants aged 95 years and older. The D haplogroup (67.37 ± 14.72 vs. 70.65 ± 11.07,  = 0.045), the D5 haplogroup (60.86 ± 18.36 vs. 70.34 ± 11.53,  = 0.002), and the 5178A allele (67.23 ± 14.48 vs. 70.75 ± 11.10,  = 0.029) were associated with lower eGFR levels compared with noncarriers. The D5 haplogroup (13.8% vs. 3.6%,  = 0.005) was significantly higher, while D haplogroup (35.4% vs. 24%,  = 0.067) and the 5178A allele (36.9% vs. 24.9%,  = 0.056) were borderline significantly higher in CKD individuals than those without CKD. Further, after adjusting for multiple covariates, the D haplogroup, the D5 haplogroup, and the 5178A allele were associated with increased odds of CKD with odds ratios of 1.93 (95% confidence interval [CI]: 1.00-3.72,  = 0.050), 4.76 (95% CI: 1.49-15.22,  = 0.009) and 2.04 (95% CI: 1.05-3.96,  = 0.035), respectively. The D and D5 haplogroups, as well as the 5178A allele are associated with decreased eGFR levels and an increased risk of CKD in a longevous population.

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Source
http://dx.doi.org/10.1089/gtmb.2020.0306DOI Listing

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