Oligodendroglia metabolically support axons and contribute to neurodegeneration.

Lee Y, Morrison BM, Li Y, Lengacher S, Farah MH, Hoffman PN, Liu Y, Tsingalia A, Jin L, Zhang PW, Pellerin L, Magistretti PJ, Rothstein JD. Nature. 2012 Jul 26;487(7408):443-8. doi: 10.1038/nature11314.