Glucosylceramide synthase activity and ceramide levels are modulated during cerebral ischemia after ischemic preconditioning.
Takahashi K, Ginis I, Nishioka R, Klimanis D, Barone FC, White RF, Chen Y, Hallenbeck JM. J Cereb Blood Flow Metab. 2004 Jun; 24(6):623-7.