Article ID Journal Published Year Pages File Type
10835640 Peptides 2012 8 Pages PDF
Abstract
► Differences in opioid levels between Wistar rats from five different suppliers. ► Met-enkephalin-Arg6Phe7 and dynorphin B levels differed in several brain areas. ► Basal levels and levels after ethanol intake were supplier dependent. ► Areas where differences were found have all been implicated in alcohol addiction. ► The results have implications for study comparisons in preclinical opioid research.
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