
Keywords: PRL, prolactin; PRLR, prolactin receptor; PRLRLong, long form of prolactin receptor; PRLRShort, short form of prolactin receptor; CMS, chronic mild stress; DRD2, dopamine D2 receptor; IMI, imipramine; DA, dopamine; DOPAC, 3,4-dihydroxyphenylacetic acid; 3