Proteomics

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Mononuclear phagocyte phenotypes in a multiple sclerosis model


ABSTRACT: Mononuclear phagocytes are key regulators of both tissue damage and repair in neuroinflammatory conditions such as multiple sclerosis (MS). To examine divergent phagocyte phenotypes in the inflamed central nervous system (CNS) we introduce an in vivo imaging approach combined with RNAseq and proteomics that allows us to temporally and spatially resolve the evolution of phagocyte polarization in a murine MS model. We show that the initial pro-inflammatory polarization of phagocytes is established after spinal cord entry and critically depends on the compartment they enter. Guided by signals from the CNS environment individual phagocytes then switch their phenotype as lesions move from expansion to resolution. Our study thus provides a first real-time analysis of the temporo-spatial determinants and regulatory principles of phagocyte specification in the inflamed CNS.

INSTRUMENT(S): Q Exactive

ORGANISM(S): Mus musculus  

TISSUE(S): Brain

DISEASE(S): Multiple Sclerosis

SUBMITTER: kshiti phulphagar  

LAB HEAD: Dr. Felix Meissner, PhD

PROVIDER: PXD010245 | Pride | 2019-07-10

REPOSITORIES: Pride

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Publications


Mononuclear phagocytes are key regulators of both tissue damage and repair in neuroinflammatory conditions such as multiple sclerosis. To examine divergent phagocyte phenotypes in the inflamed CNS, we introduce an in vivo imaging approach that allows us to temporally and spatially resolve the evolution of phagocyte polarization in a murine model of multiple sclerosis. We show that the initial proinflammatory polarization of phagocytes is established after spinal cord entry and critically depends  ...[more]

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