Association of Leukocyte Telomere Length and Mitochondrial DNA Copy Number in Children from Salamanca, Mexico.

Abstract:

AIM:The purpose of this study was to determine if there is a correlation between telomere length (TL) and mitochondrial DNA copy number (mtDNAcn) in children. METHODS:Leukocyte TL and mtDNAcn were measured by real-time PCR in 98 Mexican children 6-12 years of age from Salamanca, México. RESULTS:A positive association was found between TL and mtDNAcn after a natural log transformation (Pearson correlation r = 0.72; p < 0.0001). No correlation between age and body mass index (BMI) biomarkers was found, and no differences according to sex were observed. After adjustment for these variables, a linear regression model showed an association between TL and mtDNAcn (β = 0.739, 95% confidence interval 0.594; 0.885, p < 0.0001). CONCLUSIONS:A strong positive correlation between TL and mtDNAcn was found in the study population; age, sex, and BMI seemed to have no effect on this correlation.

authors

Alegría-Torres JA,Velázquez-Villafaña M,López-Gutiérrez JM,Chagoyán-Martínez MM,Rocha-Amador DO,Costilla-Salazar R,García-Torres L

doi

10.1089/gtmb.2016.0176

subject

Has Abstract

pub_date

2016-11-01 00:00:00

pages

654-659

issue

11

eissn

1945-0265

issn

1945-0257

journal_volume

20

pub_type

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