Cardiometabolic risk factors and lactoferrin: polymorphisms and plasma levels in French-Canadian children.

Abstract:

:BackgroundLactoferrin (LTF) could play a beneficial role in insulin resistance and diabetes, but the association of its gene variants with cardio-metabolic disorders in children has not been investigated. This study aimed to examine the relationship between LTF variants, plasma LTF concentrations, and cardio-metabolic risk factors in French-Canadian children.MethodsThe study cohort comprises 1,749 French Canadians aged 9, 13, and 16 years. The association of 13 LTF polymorphisms, metabolic parameters, and plasma LTF levels was tested in this cross-sectional, province-wide school-based survey.ResultsNone of the genetic association remained significant after correction for multiple testing and LTF SNPs were not associated with LTF levels. Plasma LTF was positively correlated with body mass index (r2=0.2245, P=0.0011) and weight (r2=0.2515, P=0.0008). After segregating according to high-density lipoprotein cholesterol (HDL-C), the association remained only in subjects exhibiting low HDL-C (r2=0.3868, P=0.0002 for body mass index and r2=0.3665, P=0.0004 for weight). In girls, plasma LTF was positively correlated with total cholesterol (r2=0.2231, P=0.0378), LDL cholesterol (r2=0.2409, P=0.0246), and apolipoprotein B (r2=0.2478, P=0.0207).ConclusionsWe found no association between LTF gene variants and metabolic parameters following correction for multiple testing. HDL-C and gender-specific positive associations were evidenced between plasma LTF, anthropometric profile, and lipid levels.

journal_name

Pediatr Res

journal_title

Pediatric research

authors

Marcil V,Mayeur S,Lamarche B,England J,Henderson M,Delvin E,Amre D,Levy E

doi

10.1038/pr.2017.72

subject

Has Abstract

pub_date

2017-11-01 00:00:00

pages

741-748

issue

5

eissn

0031-3998

issn

1530-0447

pii

pr201772

journal_volume

82

pub_type

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