Abstract

HERNANDEZ-MUNOZ, Sandra  and  CAMARENA-MEDELLIN, Beatriz. Role of Serotonin Transporter Gene in Eating Disorders. rev.colomb.psiquiatr. [online]. 2014, vol.43, n.4, pp.218-224. ISSN 0034-7450.

Background: The serotoninergic system has been implicated in mood and appetite regulation, and the serotonin transporter gene (SLC6A4) is a commonly studied candidate gene for eating disorders. However, most studies have focused on a single polymorphism (5-HTTLPR) in SLC6A4. Objective: We present the studies published on the association between eating disorders (ED) and 5-HTTLPR polymorphism in anorexia nervosa (AN), bulimia nervosa (BN), and eating disorders not otherwise specified (EDNOS). Method: Search of databases: MEDLINE, ISI, and PubMed for SLC6A4 and ED. Conclusions: From a review of 37 original articles, it was suggested that carriers of S allele is a risk factor for eating disorders, especially for AN. However, BN did not show any association. Also, BMI, impulsivity, anxiety, depression, and age of onset have been associated with S allele in ED patients.

Keywords : 5-HTTLPR; Polymorphism; Anorexia nervosa; Bulimia nervosa; Serotonin; Gene.

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