Glial Cell Evolution: The Origins of a Lipid Store
In Drosophila, neuronal mitochondria that lack OXPHOS generate ROS-protective fatty acids and lipid droplets in associated glia. In this issue, Liu et al. (2017) demonstrate that neuronal lipid synthesis is driven by the glial lactate shuttle. This lipoprotein-dependent deposition of lipids may be at the origin of glial specializations evolving in vertebrates.
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