Clobetasol and Halcinonide Act as Smoothened Agonists to Promote Myelin Gene Expression and RxRγ Receptor Activation. Porcu G, Serone E, De Nardis V, Di Giandomenico D, Lucisano G, Scardapane M, Poma A, Ragnini-Wilson A PLoS One. 2015; 10(12):e0144550. Epub 2015 Dec 10. PMID: 26658258. Abstract CommentRecommendBookmarkWatch