title: Association of antipsychotic drug-induced weight gain with a 5-HT2C receptor gene polymorphism.
abstract: A side-effect of treatment with antipsychotic drugs for schizophrenia is increased body fat, which leads to further morbidity and poor adherence to treatment. The 5-hydroxytryptamine 2C receptor (5-HT2C) has been associated with this effect; we aimed to establish whether a genetic polymorphism of the promoter region of this receptor affects weight gain after drug treatment in first-episode patients with schizophrenia. We noted significantly less weight gain in patients with the -759T variant allele (p=0.0003) than in those without this allele, who were more likely to have substantial (>7%) weight gain (p=0.002). We have identified a genetic factor that is associated with antipsychotic drug-induced weight gain.
authors.affiliation: Department of Biomedical Science, University of Sheffield, Sheffield S10 2TN, UK. g.p.reynolds@sheffield.ac.uk
authors.forename: Gavin P
authors.initials: GP
authors.lastname: Reynolds
authors.forename: Zhi-Jun
authors.initials: ZJ
authors.lastname: Zhang
authors.forename: Xiao-Bin
authors.initials: XB
authors.lastname: Zhang
mesh_terms: D000273:Adipose Tissue / Q000187:drug effects*; D000328:Adult; D014150:Antipsychotic Agents / Q000009:adverse effects*; D015992:Body Mass Index; D005260:Female; D005838:Genotype; D006801:Humans; D008297:Male; D011110:Polymorphism, Genetic; D044405:Receptor, Serotonin, 5-HT2C; D011985:Receptors, Serotonin / Q000235:genetics*; D012559:Schizophrenia / Q000188:drug therapy*; D015430:Weight Gain / Q000187:drug effects*
chemical_list: D014150:Antipsychotic Agents; D044405:Receptor, Serotonin, 5-HT2C; D011985:Receptors, Serotonin