FTY720 Impairs Mucosal Immunity and Clearance of the Enteric Pathogen Citrobacter rodentium. Murphy CT, Hall LJ, Hurley G, Quinlan A, Macsharry J, Shanahan F, Nally K, Melgar S Infect Immun. 2012 May 21. PMID: 22615252. Abstract CommentRecommendBookmarkWatch