EGF regulates plasminogen activator inhibitor-1 (PAI-1) by a pathway involving c-Src, PKCdelta, and sphingosine kinase 1 in glioblastoma cells. - Paugh BS; Paugh SW; Bryan L; Kapitonov D; Wilczynska KM; Gopalan SM; Rokita H; Milstien S; Spiegel S; Kordula T (FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 2008)