Elimination of microglia improves cognitive function following cranial irradiation

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Elimination of microglia improves cognitive function following cranial irradiation

Cranial irradiation for the treatment of brain cancer elicits progressive and severe cognitive dysfunction that is associated with significant neuropathology. Radiation injury in the CNS has been linked to persistent microglial activation, and we find upregulation of pro-inflammatory genes even 6 weeks after irradiation. We hypothesize that depletion of microglia in the irradiated brain would h...

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Meningioma following cranial irradiation.

The case of a middle aged man who developed a meningioma directly underneath the site of a naevus treated with radiotherapy as a child, is presented. Epidemiological evidence and reports of similar cases suggesting meningiomas may be a sequel to irradiation, are reviewed.

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Elimination of Microglia Improves Functional Outcomes Following Extensive Neuronal Loss in the Hippocampus.

UNLABELLED With severe injury or disease, microglia become chronically activated and damage the local brain environment, likely contributing to cognitive decline. We previously discovered that microglia are dependent on colony-stimulating factor 1 receptor (CSF1R) signaling for survival in the healthy adult brain, and we have exploited this dependence to determine whether such activated microgl...

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Cranial irradiation induces transient microglia accumulation, followed by long-lasting inflammation and loss of microglia

The relative contribution of resident microglia and peripheral monocyte-derived macrophages in neuroinflammation after cranial irradiation is not known. A single dose of 8 Gy was administered to postnatal day 10 (juvenile) or 90 (adult) CX3CR1GFP/+ CCR2RFP/+ mouse brains. Microglia accumulated in the subgranular zone of the hippocampal granule cell layer, where progenitor cell death was promine...

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Cognitive outcomes following contemporary treatment without cranial irradiation for childhood acute lymphoblastic leukemia.

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ژورنال

عنوان ژورنال: Scientific Reports

سال: 2016

ISSN: 2045-2322

DOI: 10.1038/srep31545