ancient and recent positive selection transformed opioid cis-regulation in humans古代和近代人类积极的选择改变了阿片类药物cis-regulation.pdfVIP

ancient and recent positive selection transformed opioid cis-regulation in humans古代和近代人类积极的选择改变了阿片类药物cis-regulation.pdf

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ancient and recent positive selection transformed opioid cis-regulation in humans古代和近代人类积极的选择改变了阿片类药物cis-regulation

Open access, freely available online PLoS BIOLOGY Ancient and Recent Positive Selection Transformed Opioid cis-Regulation in Humans 1¤a* 1,2¤b 3 4 1,3,5 Matthew V. Rockman , Matthew W. Hahn , Nicole Soranzo , Fritz Zimprich , David B. Goldstein , 1,5 Gregory A. Wray 1 Department of Biology, Duke University, Durham, North Carolina, United States of America, 2 Center for Population Biology, University of California, Davis, California, United States of America, 3 Department of Biology, University College, London, United Kingdom, 4 Department of Clinical Neurology, Medical University of Vienna, Vienna, Austria 5 Institute for Genome Sciences and Policy, Duke University, Durham, North Carolina, United States of America Changes in the cis-regulation of neural genes likely contributed to the evolution of our species’ unique attributes, but evidence of a role for natural selection has been lacking. We found that positive natural selection altered the cis- regulation of human prodynorphin, the precursor molecule for a suite of endogenous opioids and neuropeptides with critical roles in regulating perception, behavior, and memory. Independent lines of phylogenetic and population genetic evidence support a history of selective sweeps driving the evolution of the human prodynorphin promoter. In experimental assays of chimpanzee–human hybrid promoters, the selected sequence increases transcriptional inducibility. The evidence for a change in the response of the brain’s natural opioids to inductive stimuli points to potential human-specific characteristics favored during evolutio

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