期刊
HORMONE AND METABOLIC RESEARCH
卷 39, 期 5, 页码 395-397出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-2007-977694
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The endocannabinoid system (ECS) plays an important and not yet fully understood role in hypothalamic and peripheral regulation of food intake, obesity, and metabolism. Two frequent single nucleotide polymorphisms (snp) have been identified in members of the ECS: the 1359 G/A variant in the cannabinoid receptor 1 (CB1) and the P129T polymorphism in fatty acid amide hydrolase (FAAH), a key degradation enzyme of endocannabinoids. - While for the 1359 G/A variant an association has been shown only with psychiatric diseases such as drug-abusing schizophrenia, the P129T polymorphism has recently been proved to be correlated to a higher body mass index (BMI) in a group of black and white Americans. However, no knowledge exists as to whether these variants affect the outcome of a low fat diet in obese subjects. Therefore, we genotyped a group of 451 obese and dyslipidaemic participants and observed the biometric and metabolic outcome of a 6 week low fat diet. While no significance was seen for the 1359 G/A variant, carriers of the P129T mutation in FAAH had a significantly greater decrease in triglycerides and total cholesterol as compared to wild type. The reason for our findings remains to be elucidated, however, a hepatic downregulation of endocannabinoid tone may contribute to the observed outcome in studied subjects.
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