. . . . . . . "[Findings from these studies have led us to recognize the profound disruption of both dynorphin gene expression and kappa opioid receptor gene expression in a setting of chronic cocaine administration and, in turn, have led us to question a possible role of disruption of this system in the acquisition and persistence of cocaine addiction.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2017-02-19"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2017-10-17T13:15:08+02:00"^^ . . . . . . . . . . . "v5.0.0.0" . "v5.0.0" .