Journal
NEUROSCIENCE LETTERS
Volume 398, Issue 3, Pages 325-327Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.neulet.2006.01.023
Keywords
anorexia nervosa; bulimia nervosa; gene polymorphisms; ghrelin
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Genetic factors likely contribute to the biological vulnerability to anorexia nervosa (AN) and bulimia nervosa (BN). We investigated whether the Arg51Gln and/or the Leu72Met gene polymorphisins of the human ghrelin, a peptide involved in the regulation of eating behavior, were associated to AN and/or BN. Two-hundred-ninety-two Caucasian women (114 with BN, 59 with AN and 119 healthy controls) participated into the study. No significant differences were found in the frequencies of the Arg51Gln and the Leu72Met ghrelin gene variants among patients with AN or BN and healthy controls. Moreover, no significant differences emerged in eating-related phenotypic variables between patients carrying the Leu72Met genotype as compared to those with the Leu72Leu genotype. These results suggest that the Arg51Gln and the Leu72Met polymorphisms of the human ghrelin gene do not contribute to the genetic susceptibility to AN and BN. (c) 2006 Elsevier Ireland Ltd. All rights reserved.
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