Microglia contribute to development, homeostasis, and immunity of the CNS. Like other tissue-resident macrophage populations, microglia express the surface receptor triggering receptor expressed on myeloid cells 2 (TREM2), which binds polyanions, such as dextran sulphate and bacterial LPS, and activates downstream signaling cascades through the adapter DAP12. Individuals homozygous for inactivating mutations in
Pietro Luigi Poliani, Yaming Wang, Elena Fontana, Michelle L. Robinette, Yoshinori Yamanishi, Susan Gilfillan, Marco Colonna
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