Gas6/Axl Signaling Activates the Phosphatidylinositol 3-Kinase/Akt1 Survival Pathway to Protect Oligodendrocytes from Tumor Necrosis Factorα-Induced ApoptosisSai Latha Shankar, Bridget Shafit‐Zagardo|Journal of Neuroscience|2006Cited by 104