1,721,626 research outputs found
Significant contribution of bone marrow-derived microglia to brain pathology of murine scrapie
No full textSignificant contribution of bone marrow-derived microglia to brain pathology of murine scrapie
No full textClearance of tissue debris by TREM2-transduced myeloid cells promotes recovery of experimental autoimmune encephalomyelitis
No full textAutoantibody-mediated demyelination depends on complement activation but not activatory Fc-receptors
No full textThe precise mechanisms leading to CNS inflammation and myelin destruction in both multiple sclerosis (MS) and experimental autoimmune encephalomyelitis (EAE) remain the subject of intense debate. In both MS and EAE, autoantibodies (autoAbs) are thought to be involved in tissue destruction through recruiting Fc receptor (FcR)-bearing cells or direct cytotoxic effects through the activation of the complement pathway. Whereas intrathecal immunoglobulin (Ig) production and Ig deposition in inflammatory lesions is a hallmark of MS, mice deficient in B cells and Igs develop severe EAE. Paradoxically, mice of the same genetic background but deficient in FcRgamma are EAE-resistant. We found that the functional expression of FcRgamma on systemic accessory cells, but not CNS-resident cells, appears to be vital for the development of CNS inflammation, independent of antigen-presenting cell function or Ab involvement. On the other hand, we found that the injection of antimyelin oligodendrocyte glycoprotein-Abs drastically worsens disease severity, inflammation, and demyelination. Using FcRgamma(-/-) and C1q(-/-) mice, we could definitively establish that the demyelinating capacity of such autoAb in vivo relies entirely on complement activation and is FcR-independent
Differential expression of several S100 proteins during experimental autoimmune encephalomyelitis
No full textStrong immunmodulatory effects of type 1 interferon receptor for the course of experimental autoimmune encephalomyelitis
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Strong immunmodulatory effects of type 1 interferon receptor for the course of experimental autoimmune encephalomyelitis
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