title: Associations between the serotonin-1A receptor C(-1019)G polymorphism and disordered eating symptoms in female adolescents.
abstract: The purpose of this study was to examine the relationship between the C(-1019)G polymorphism of the serotonin-1A receptor gene and eating behavior in female adolescents. A total of 204 post-menarche, adolescent women, aged 16-17 years, were recruited from two neighboring high schools in Seoul. Polymerase chain reaction (PCR) was used to isolate and examine the C(-1019)G polymorphism in the serotonin-1A receptor genes (rs6295) of all participants. The Bulimia Investigatory Test, Edinburgh (BITE) and the Eating Attitude Test-26 (EAT-26) were administered to all participants. The total score of the EAT-26 differed significantly among the three genotype groups [CC, CG, GG (F = 4.844, p = 0.009)]. Both the EAT-26 (F = 9.69, p = 0.002) and the BITE (F = 5.22, p = 0.023) scores were higher in the participants who were G allele carriers than in the non-carrier group. The dieting subscale of the EAT-26 was higher among the G allele carriers (F = 12.941, p < 0.001), and these results were maintained even after adjusting for depression and anxiety. These findings suggest that the C(-1019)G polymorphism in the 5-HT1A receptor gene is associated with disordered eating symptoms in Korean female adolescents.
authors.affiliation: Department of Psychiatry, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, 108 Pyung-dong, Jongro-Gu, Seoul, Korea.
authors.forename: Se-Won
authors.initials: SW
authors.lastname: Lim
authors.forename: Juwon
authors.initials: J
authors.lastname: Ha
authors.forename: Dong-Won
authors.initials: DW
authors.lastname: Shin
authors.forename: Hee-Yeon
authors.initials: HY
authors.lastname: Woo
authors.forename: Kye-Hyun
authors.initials: KH
authors.lastname: Kim
mesh_terms: D000293:Adolescent; D000704:Analysis of Variance; D001068:Feeding and Eating Disorders / Q000145:classification / Q000175:diagnosis / Q000235:genetics* / Q000503:physiopathology; D005260:Female; D005787:Gene Frequency; D020022:Genetic Predisposition to Disease / Q000235:genetics*; D055106:Genome-Wide Association Study / Q000379:methods; D005838:Genotype; D006801:Humans; D007723:Korea; D011110:Polymorphism, Genetic / Q000235:genetics*; D011569:Psychiatric Status Rating Scales; D044282:Receptor, Serotonin, 5-HT1A / Q000235:genetics*
chemical_list: D044282:Receptor, Serotonin, 5-HT1A
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