期刊
BIOLOGICAL PSYCHIATRY
卷 61, 期 3, 页码 367-373出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.biopsych.2006.04.007
关键词
anorexia nervosa; association; gene; opioid; serotonin; susceptibility
Background: A recent study reported strong evidence for the involvement of a region on human chromosome I and genetic susceptibility to anorexia nervosa (AN). A more detailed analysis of this region has suggested 2 genes that may account for Ibis susceptibility. These data suggest that polymorphisms in both the serotonin 1D (HTR1D) and opioid delta 1 (OPRD1) receptor genes show a significant association with restricting AN (RAN). Methods: In the current study, we have conducted an independent association study on 226 females meeting DSM-IV criteria for AN and 678 matched volunteers. Results. We genotyped 4 SNPs in HTR1D) and 6 SNTs in OPRD1.3 SNPs were found to be associated with both RAN and binge-purge AN (BPAN) within the gene for OPRD1. We also found evidence of association between 2 polymorphisms within HTR1D) and RAN. Conclusions: These data support the hypothesis that polymorphisms within this region form a component of the genetic basis to susceptibility to RAN. However, further work is required to understand the processes that may be mediated by these genes.
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