title: Factors regulating microglia activation.
abstract: Microglia are resident macrophages of the central nervous system (CNS) that display high functional similarities to other tissue macrophages. However, it is especially important to create and maintain an intact tissue homeostasis to support the neuronal cells, which are very sensitive even to minor changes in their environment. The transition from the "resting" but surveying microglial phenotype to an activated stage is tightly regulated by several intrinsic (e.g., Runx-1, Irf8, and Pu.1) and extrinsic factors (e.g., CD200, CX3CR1, and TREM2). Under physiological conditions, minor changes of those factors are sufficient to cause fatal dysregulation of microglial cell homeostasis and result in severe CNS pathologies. In this review, we discuss recent achievements that gave new insights into mechanisms that ensure microglia quiescence.
authors: Institute of Neuropathology, University of Freiburg Freiburg, Germany ; Faculty of Biology, University of Freiburg Freiburg, Germany.
authors: Katrin
authors: K
authors: Kierdorf
authors: Marco
authors: M
authors: Prinz
keywords: activation; development; microglia; silencing; transcription factors
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