Title |
Are recently identified genetic variants regulating BMI in the general population associated with anorexia nervosa?
|
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Published in |
American Journal of Medical Genetics. Part B, Neuropsychiatric Genetics: The Official Publication of the International Society of Psychiatric Genetics, February 2010
|
DOI | 10.1002/ajmg.b.31026 |
Pubmed ID | |
Authors |
Marek K. Brandys, Annemarie A. van Elburg, Ruth J.F. Loos, Florianne Bauer, Judith Hendriks, Yvonne T. van der Schouw, Roger A.H. Adan |
Abstract |
The influence of body mass index (BMI) on susceptibility to anorexia nervosa (AN) is not clear. Recently published genome-wide association (GWA) studies of the general population identified several variants influencing BMI. We genotyped these variants in an AN sample to test for association and to investigate a combined effect of BMI-increasing alleles (as determined in the original GWA studies) on the risk of developing the disease. Individual single nucleotide polymorphisms (SNPs) were tested for association with AN in a sample of 267 AN patients and 1,636 population controls. A logistic regression for the combined effect of BMI-increasing alleles included 225 cases and 1,351 controls. We found no significant association between individual SNPs and AN. The analysis of a combined effect of BMI-increasing alleles showed absence of association with the investigated condition. The percentages of BMI-increasing alleles were equal between cases and controls. This study found no evidence that genetic variants regulating BMI in the general population are significantly associated with susceptibility to AN. |
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