AI Article Synopsis
- The study investigates the role of obesity-related genes in influencing feeding behavior and their potential link to eating disorders (ED) and psychological traits among participants.
- Researchers screened 425 individuals, including eating disorder patients and obese subjects, using genetic testing and psychometric evaluations to gather data on gene variants and mental health scores.
- Results showed a specific gene variant associated with an increased risk of bulimia nervosa and a notable difference in genetic profiles between controls and eating disorder patients, suggesting genetic factors may play a role in the risk of developing EDs.
Article Abstract
Introduction: and are obesity-related genes that interact to regulate feeding behavior. We hypothesize that variability in these loci, isolated or in combination, could also be related to the risk of eating disorders (ED) and/or associated psychological traits.
Methods: We screened 425 participants (169 ED patients, 75 obese subjects, and 181 controls) for 10 clinically relevant and tag single-nucleotide polymorphisms (SNPs) in and by the Sequenom MassARRAY platform and direct sequencing. Psychometric evaluation was performed with EDI-2 and SCL-90R inventories.
Results: The rs287103 T variant allele was associated with increased risk of bulimia nervosa (BN) (OR = 4.34 [1.47-29.52]; = .003) and with scores of psychopathological scales of these patients. Haplotype in was more frequent in controls (OR = 0.40 [0.20-0.80], = .009 for anorexia nervosa), while haplotype in affected all three scales of the SCL-90R inventory in BN patients ( ≤ .01). Epistasis analyses revealed relevant interactions with body mass index of BN patients ( < .001). Genetic profiles in obese patients did not significantly differ from those found in ED patients.
Conclusions: This is the first study that evaluates the combined role of and genes in ED. Our preliminary findings suggest that the interaction of genetic variability in these loci could influence the risk for ED and/or anthropometric and psychological parameters.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5607548 | PMC |
| http://dx.doi.org/10.1002/brb3.784 | DOI Listing |
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