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Diabetology & Metabolic Syndrome
Published in: Diabetology & Metabolic Syndrome 1/2017

Open Access 01-12-2017 | Research

Gene variants in the FTO gene are associated with adiponectin and TNF-alpha levels in gestational diabetes mellitus

Authors: Renata Saucedo, Jorge Valencia, Claudia Gutierrez, Lourdes Basurto, Marcelino Hernandez, Edgardo Puello, Guadalupe Rico, Gloria Vega, Arturo Zarate

Published in: Diabetology & Metabolic Syndrome | Issue 1/2017

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Abstract

Background

Obesity may have a role in the development of gestational diabetes mellitus (GDM). Single-nucleotide-polymorphisms (SNPs) of the FTO (fat mass and obesity associated) gene have been associated with obesity. The aim of this study was to investigate SNPs rs8050136, rs9939609, and rs1421085 of the FTO gene in women with GDM and their associations with maternal pre-pregnancy weight and body mass index, gestational weight gain and mediators of insulin resistance in GDM like leptin, adiponectin, ghrelin and tumor necrosis factor-alpha (TNF-alpha), compared with healthy pregnant controls.

Methods

80 women with GDM and 80 women with normal pregnancy were considered for the present study. Genotyping of selected SNPs in all study subjects was done using the Taq-Man assay and the adipokines and ghrelin were measured by immunoassays. Chi square test, odds ratios (OR) and their respective 95% confidence intervals were used to measure the strength of association between FTO SNPs and GDM.

Results

There was no association among FTO SNPs and GDM. Interestingly, in GDM group, women carrying the risk alleles of the three SNPs had increased TNF-alpha, and decreased adiponectin levels; these associations remained significant after adjusting for pre-gestational body weight and age. Moreover, the risk allele of rs1421085 was also associated with increased weight gain during pregnancy.

Conclusions

The FTP SNPs rs8050136, rs9939609, and rs1421085 are not a major genetic regulator in the etiology of GDM in the studied ethnic group. However, these SNPs were associated with adiponectin and TNF-alpha concentrations in GDM subjects.
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Metadata
Title
Gene variants in the FTO gene are associated with adiponectin and TNF-alpha levels in gestational diabetes mellitus
Authors
Renata Saucedo
Jorge Valencia
Claudia Gutierrez
Lourdes Basurto
Marcelino Hernandez
Edgardo Puello
Guadalupe Rico
Gloria Vega
Arturo Zarate
Publication date
01-12-2017
Publisher
BioMed Central
Published in
Diabetology & Metabolic Syndrome / Issue 1/2017
Electronic ISSN: 1758-5996
DOI
https://doi.org/10.1186/s13098-017-0234-0

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