. 2023 Nov 16;14(2):217–229. doi: 10.1002/2211-5463.13735

Table 1.

Microglia subpopulation in the CNS.

Microglial subpopulation	Markers	Specific brain region
Satellite microglia [46]	IBA1, CD11b, and CX3CR1	Cortex and hippocampus
Keratan sulfate proteoglycan‐microglia (KSPG)‐microglia [55, 56]	IBA1, CR3, and CD11b	Olfactory bulb, hippocampus, and brainstem
Microglia supporting neurogenesis [58]	IBA1⁻, isolectin B₄ ⁻, CD68⁻, P2RY12^low, pSTAT6⁺	Olfactory, subventricular zone, and rostral migratory stream
Hox8b⁺ microglia [61]	IBA1 and CD11b	Olfactory bulb and cortex of the brain
CD11c⁺ microglia [64]	IBA1, CD11c, CD45^low, CX3CR1, and CCR2^null	Corpus callosum and cerebellum
Dark microglia [65]	IBA1^low, CX3CR1‐GFP^low, CD11b, TREM2, and 4D4	The cortex, hippocampus, amygdala, and hypothalamus
TREM2‐positive‐microglia [67]	TREM2	Cingulate cortex and lateral entorhinal cortex