Activation of phosphatidylinositol-3 kinase (PI3K) and extracellular signal-regulated kinase (ERK) are necessary for cholangiocyte migration during experimental bile duct wound repair: Gianfranco Alpini, The Texas A&M University System and Central TX Veterans HSC, Temple, TX; Shannon Glaser, Jo Lynne Phinizy, Heather Francis, Scott & White Hospital, Temple, TX; Marco Marzioni, The Texas A&M University System, Temple, TX; Gene Lesage, Scott & White Hospital Temple, TX