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We reveal that lipid turnover in the myelin sheath generates a fatty acid pool in oligodendrocytes that can contribute to the energy balance of white matter tracts. We also demonstrate that when glucose levels are limiting, fatty acid metabolism can support glial cell survival and the basic functional integrity of myelinated axons.
Analysis of human microglia across health and disease identifies key gene sets in neurodegeneration, offering insights into their role in CNS disorders.
This study aims at enhancing hematopoietic stem cell (HSC) gene therapy potential to treat neurodegenerative diseases via innovative approaches. Findings demonstrate the therapeutic benefits of intracerebral transplantation of TREM2-engineered HSCs in an Alzheimer’s disease mouse model.
The mechanisms underlying the ability to remyelinate in aging and disease are unclear. Here, the authors show that DOR-mediated activation of α-ketoglutarate in mature oligodendrocytes can promote myelin production in mice during demyelination and aging.
Brain functions require a constant supply of glucose. However, the brain energy stores are unclear. Here, the authors show that oligodendroglial fatty acid metabolism can be an energy reserve for white matter axons, supporting their function.
Glia abnormalities drive the progression of demyelinating diseases. Here, the authors show that reactivated astrocytes secrete clusterin to impede remyelination by blocking astrocytic removal of myelin debris and oligodendrocyte precursor cell differentiation in mouse models of demyelination.
We reveal that lipid turnover in the myelin sheath generates a fatty acid pool in oligodendrocytes that can contribute to the energy balance of white matter tracts. We also demonstrate that when glucose levels are limiting, fatty acid metabolism can support glial cell survival and the basic functional integrity of myelinated axons.
Most astrocytes in the mouse brain have a primary cilium that transduces local cues to drive distinct astrocytic transcriptomic programmes that determine regional astrocytic subtypes, and, in turn, shape local circuits and influence behaviour.