MAC2+ microglia were also present in non-treated adult mouse brains and exhibited immature transcriptomic signatures indistinguishable from those that survived CSF1R inhibition, supporting the notion that MAC2+ progenitor-like cells are present among adult microglia. Lineage-tracing studies revealed that these MAC2+ cells were of microglial origin. Importantly, MAC2/ Lgals3 was upregulated under CSF1R inhibition, and shared striking similarities with microglial progenitors in the yolk sac and immature microglia in early embryos. Using single-cell transcriptomic analysis, we characterized the heterogeneous microglial populations under CSF1R inhibition, including microglia with reduced homeostatic markers and elevated markers of inflammatory chemokines and proliferation. However, a small subset of microglia in mouse brains can survive without CSF1R signaling and reestablish the microglial homeostatic population after CSF1R signaling returns. The majority of microglia rely on CSF1R signaling for survival. Package in your R session.Microglia are the resident myeloid cells in the central nervous system (CNS). GgtreeExtra, ape, cowplot, knitr, BiocStyle, rmarkdown, readxl, ggnewscale, kableExtra, gggenes, testthat (>= 3.0.0) To view documentation for the version of this package installedĪlignment, Annotation, MultipleSequenceAlignment, Software, Visualizationīiostrings, ggplot2, magrittr, tidyr, utils, stats, aplot, RColorBrewer, ggalt, ggforce, dplyr, R4RNA, grDevices, seqmagick, grid, methods, statebins, ggtree(>= 1.17.1) If (!require("BiocManager", quietly = TRUE))įor older versions of R, please refer to the appropriate To install this package, start R (version
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