Science: Variants in neuropeptide signaling are associated with disordered eating behaviors

The Eating Disorder Recovery Podcast - A podcast by Tabitha Farrar

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In this podcast Tabitha Farrar talks to Micheal Lutter about the recently published paper titled: Novel and ultra-rare damaging variants in neuropeptide signaling are associated with disordered eating behaviors   From the paper: Abstract Objective Eating disorders develop through a combination of genetic vulnerability and environmental stress, however the genetic basis of this risk is unknown. Methods To understand the genetic basis of this risk, we performed whole exome sequencing on 93 unrelated individuals with eating disorders (38 restricted-eating and 55 binge-eating) to identify novel damaging variants. Candidate genes with an excessive burden of predicted damaging variants were then prioritized based upon an unbiased, data-driven bioinformatic analysis. One top candidate pathway was empirically tested for therapeutic potential in a mouse model of binge-like eating. Results An excessive burden of novel damaging variants was identified in 186 genes in the restricted-eating group and 245 genes in the binge-eating group. This list is significantly enriched (OR = 4.6, p

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