Role of interaction between variants in the PPARG and interleukin-6 genes on obesity related metabolic risk factors

M. Barbieri, M. R. Rizzo, M. Papa, R. Acampora, L. De Angelis, F. Olivieri, F. Marchegiani, C. Franceschi, G. Paolisso

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

The combined effect of Peroxisome proliferator-activated receptor γ (PPARG) Pro/Ala and interleukin-6 G174C gene variants, was evaluated in 429 Caucasian subjects in order to determine whether subjects carrying both variants were at different risk for obesity. In particular, the combined contribution of these two variants (both independent and interaction effects) to the total variation of obesity-related factors was estimated. All subjects were genotyped for codon 12 Pro/Ala locus variability and for the interleukin-6-174 C/G promoter polymorphism. Subjects with the Ala variant had significantly lower BMI, insulin resistance, triglyceride levels than those without. Furthermore, subjects with Ala variant had significantly lower IL-6 levels (0.88±0.9 vs 1.61±2.25 pg/ml; p=0.041). In contrast, the IL6-C variant was significantly associated with lower plasma IL-6 and with lower total cholesterol levels but was not significantly associated with any other obesity risk factors. Indeed, subjects carrying both PPARG and IL-6 gene variants, had a clearly more favourable profile of obesity related risk factors than subjects with one variant, having Ala+/C+ carriers lower BMI (22.8±2.3 vs 24.14±1.9; f=5.31; p

Original languageEnglish
Pages (from-to)599-604
Number of pages6
JournalExperimental Gerontology
Volume40
Issue number7
DOIs
Publication statusPublished - Jul 2005

Fingerprint

Interleukin-6
Obesity
Genes
Peroxisome Proliferator-Activated Receptors
Polymorphism
Codon
Insulin Resistance
Triglycerides
Cholesterol
Insulin
Plasmas

Keywords

  • Body mass index
  • Gene polymorphism
  • IL-6
  • Insulin resistance
  • PPARG

ASJC Scopus subject areas

  • Ageing
  • Medicine(all)

Cite this

Role of interaction between variants in the PPARG and interleukin-6 genes on obesity related metabolic risk factors. / Barbieri, M.; Rizzo, M. R.; Papa, M.; Acampora, R.; De Angelis, L.; Olivieri, F.; Marchegiani, F.; Franceschi, C.; Paolisso, G.

In: Experimental Gerontology, Vol. 40, No. 7, 07.2005, p. 599-604.

Research output: Contribution to journalArticle

Barbieri, M. ; Rizzo, M. R. ; Papa, M. ; Acampora, R. ; De Angelis, L. ; Olivieri, F. ; Marchegiani, F. ; Franceschi, C. ; Paolisso, G. / Role of interaction between variants in the PPARG and interleukin-6 genes on obesity related metabolic risk factors. In: Experimental Gerontology. 2005 ; Vol. 40, No. 7. pp. 599-604.
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