Abstract
Background:
Recently, it has been shown that the polymorphism 385 C/A of FAAH (fatty acid amide hydrolase) was associated with overweight and obesity. Visfatin has been identified as a protein expressed in visceral adipose tissue with contradictory functions in glucose metabolism.
Objective:
The aim of our study was to investigate the relationship between polymorphism (cDNA 385 C->A) of the FAAH gene and visfatin levels in obese women.
Design:
A population of 143 females with obesity was analyzed. Indirect calorimetry, tetrapolar electrical bioimpedance, blood pressure and serial assessment of nutritional intake with 3-day written food records and biochemical analysis (lipid profile, visfatin, insulin, C-reactive protein and homeostasis model assessment for insulin sensitivity (HOMA)) were performed.
Results:
Ninety-four patients (65.7%) had the genotype C358C (wild-type group) and 49 (34.3%) patients had the genotype C358A (mutant type group). No differences were detected between groups in anthropometric parameters and dietary intakes. Insulin (15.6±7.6 vs 14.1±10.1 mUI l−1; P<0.05), glucose (101.2±21.9 vs 92.3±10.5 mg per 100 ml; P<0.05) and HOMA values (3.96±2.3 vs 3.15±2.8; P<0.05) were higher in the wild type-group than in the mutant type group. Visfatin levels were lower in the wild-type group than in the mutant type group (47.83±57.5 vs 65.71±55 ng ml−1; P<0.05).
Conclusion:
The novel finding of this study is the association of the mutant type group A358C of FAAH with lower glucose, insulin and HOMA levels than of the wild-type group with higher visfatin levels.
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de Luis, D., Gonzalez Sagrado, M., Aller, R. et al. C358A missense polymorphism of the endocannabinoid-degrading enzyme fatty acid amide hydrolase (FAAH) and visfatin levels in obese females. Int J Obes 34, 511–515 (2010). https://doi.org/10.1038/ijo.2009.283
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DOI: https://doi.org/10.1038/ijo.2009.283
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