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  • Title: Immunofluorescence Staining of Murine Spinal Cord Sections to Evaluate Microglial Activation and Astrogliosis.
    Author: Amoriello R, Ballerini C.
    Journal: Methods Mol Biol; 2025; 2857():159-167. PubMed ID: 39348064.
    Abstract:
    Microglia and astrocytes are the main components of the central nervous system (CNS). Upon activation, microglia is able to phagocyte cell debris, pathogens, and toxins; astrocytes support neuronal functions, blood-brain barrier (BBB) homeostasis, and neurotransmitter uptake and metabolism. Furthermore, both cell types can produce cytokines and chemokines. Aging impacts microglia and astrocytes by promoting the production of pro-inflammatory cytokines, impairing microglial phagocytosis and motility and astrocyte glutamate uptake. During neurodegenerative and neuroinflammatory diseases, the aging process may be accelerated contributing to the alteration of CNS glial cells functions. Multiple sclerosis (MS) is an autoimmune, demyelinating disease in which immunosenescence can promote the conversion from relapsing-remitting form to progressive disease. The murine model of experimental autoimmune encephalomyelitis (EAE) allows to investigate MS pathogenesis. Furthermore, EAE can be developed as acute or progressive, mimicking different forms of human MS. Microglia and astrocytes report morphological and functional changes during neuroinflammation that can be investigated in different ways. We here present a protocol for the study of glial cell activation in the spinal cord tissue of EAE mice.
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