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Aim: The brain-derived neurotrophic factor (BDNF) gene has been shown to affect eating behavior.We aimed to investigate whether BDNF genetic variability may influence psycopathological traits in patients with eating disorders (ED).Methods: A totai of 120 unrelated female patients with anorexia or bulimia nervosa (AN, BN) and 125 healthy controls were genotyped for two common BDNF single nucleotide polymorphisms (SNP), Val66Met and C-270C, and several selected tag SNPs.Associated psychopathological characteristics were assessed by the EDI-2 and SCL-90R inventories.