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Mapping microglia states in the human brain through the integration of high-dimensional techniques

MPG-Autoren

Sagar, Sagar
Max Planck Institute of Immunobiology and Epigenetics, Max Planck Society;

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Grün, Dominic
Max Planck Institute of Immunobiology and Epigenetics, Max Planck Society;

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Zitation

Sankowski, R., Böttcher, C., Masuda, T., Geirsdottir, L., Sagar, S., Sindram, E., et al. (2019). Mapping microglia states in the human brain through the integration of high-dimensional techniques. Nature Neuroscience, 22, 2098-2110. doi:org/10-1038/s41593-019-0532-y.

Zusammenfassung

Microglia are tissue-resident macrophages of the CNS that orchestrate local immune responses and contribute to several
neurological and psychiatric diseases. Little is known about human microglia and how they orchestrate their highly plastic,
context-specific adaptive responses during pathology. Here we combined two high-dimensional technologies, single-cell RNAsequencing
and time-of-flight mass cytometry, to identify microglia states in the human brain during homeostasis and disease.
This approach enabled us to identify and characterize a previously unappreciated spectrum of transcriptional states in human
microglia. These transcriptional states are determined by their spatial distribution, and they further change with aging and
brain tumor pathology. This description of multiple microglia phenotypes in the human CNS may open promising new avenues
for subset-specific therapeutic interventions.