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Journal ArticleDOI

Ontogeny and homeostasis of CNS myeloid cells.

Marco Prinz, +2 more
- 01 Apr 2017 - 
- Vol. 18, Iss: 4, pp 385-392
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TLDR
Studies using cell-specific targeting, in vivo imaging, single-cell expression analysis and other sophisticated tools have increased the depth of knowledge of this immune-cell compartment and call for reevaluation of the traditional views on the origin, fate and function of distinct CNS myeloid subsets.
Abstract
Myeloid cells in the central nervous system (CNS) represent a heterogeneous class of innate immune cells that contribute to the maintenance of tissue homeostasis differentially during development and adulthood. The subsets of CNS myeloid cells identified so far, including parenchymal microglia and non-parenchymal meningeal, perivascular and choroid-plexus macrophages, as well as disease-associated monocytes, have classically been distinguished on the basis of their surface epitope expression, localization and morphology. However, studies using cell-specific targeting, in vivo imaging, single-cell expression analysis and other sophisticated tools have now increased the depth of knowledge of this immune-cell compartment and call for reevaluation of the traditional views on the origin, fate and function of distinct CNS myeloid subsets. The concepts of CNS macrophage biology that are emerging from these new insights have broad implications for the understanding and treatment of CNS diseases.

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Estimating Metastatic Risk of Pancreatic Ductal Adenocarcinoma at Single-Cell Resolution

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References
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Journal ArticleDOI

Fate Mapping Analysis Reveals That Adult Microglia Derive from Primitive Macrophages

TL;DR: Results identify microglia as an ontogenically distinct population in the mononuclear phagocyte system and have implications for the use of embryonically derived microglial progenitors for the treatment of various brain disorders.
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Cell types in the mouse cortex and hippocampus revealed by single-cell RNA-seq

TL;DR: Large-scale single-cell RNA sequencing is used to classify cells in the mouse somatosensory cortex and hippocampal CA1 region and found 47 molecularly distinct subclasses, comprising all known major cell types in the cortex.
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Fate Mapping Reveals Origins and Dynamics of Monocytes and Tissue Macrophages under Homeostasis

TL;DR: A fate-mapping study of the murine monocyte and macrophage compartment taking advantage of constitutive and conditional CX(3)CR1 promoter-driven Cre recombinase expression is reported, establishing that short-lived Ly6C(+) monocytes constitute obligatory steady-state precursors of blood-resident Ly 6C(-) cells and that the abundance of Ly6 C(+) blood monocytes dynamically controls the circulation lifespan of their progeny.
Journal ArticleDOI

A Lineage of Myeloid Cells Independent of Myb and Hematopoietic Stem Cells

TL;DR: It is found that the transcription factor Myb was required for development of HSCs and all CD11bhigh monocytes and macrophages, but was dispensable for yolk sac (YS)macrophages and for the development of YS-derived F4/80bright macrophage populations in several tissues.
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