Correlation between susceptibility to demyelination and interferon-gamma induction of major histocompatibility complex class II antigens on murine cerebrovascular endothelial cells.
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abstract
The induction of major histocompatibility complex (MHC) Class II expression was studied on cerebrovascular endothelial cells (CVE) obtained from strains of mice that are resistant (BALB/c) and susceptible (SJL and CBA) to Theiler's virus-induced demyelination (TVID). Following 24 h treatment with interferon (IFN)-gamma, MHC Class II was induced on CVE derived from susceptible but not resistant strains of mice. However, IFN-gamma induced the expression of MHC Class II on late passages of BALB/c CVE. These results demonstrate a correlation between susceptibility to demyelination and the ability of IFN-gamma to induce the expression of MHC Class II on CVE. In susceptible strains of mice, the presence of activated, IFN-gamma-secreting T cells, in the vicinity of CVE would increase the antigen-presenting capabilities of CVE and result in increased T cell traffic into the central nervous system.
