Intracellular S1P Generation Is Essential for S1P-Induced Motility of Human Lung Endothelial Cells: Role of Sphingosine Kinase 1 and S1P Lyase. - Berdyshev, Evgeny V.; Gorshkova, Irina; Usatyuk, Peter; Kalari, Satish; Yutong Zhao; Pyne, Nigel J.; Pyne, Susan; Sabbadini, Roger A.; Garcia, Joe G. N.; Natarajan, Viswanathan (PLoS ONE, 2011)