Title : Sneaky Entry of IFNγ Through Arsenic-Induced Leaky Blood-Brain Barrier Reduces CD200 Expression by Microglial pro-Inflammatory Cytokine.

Pub. Date : 2019 Feb

PMID : 29948949






4 Functional Relationships(s)
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1 Previously, we showed that arsenic (0.38 mg/kg body weight) exposure induces microglial activation and consequently IL-6/TNF-alpha secretion. Arsenic interleukin 6 Mus musculus
2 Higher CD68 staining, increased level of IL-6/TNF-alpha, as well as higher level of IFNgamma, were observed in in vivo arsenic-exposed groups. Arsenic interleukin 6 Mus musculus
3 Finally, intracerebral injection of anti-IFNgamma neutralizing antibody in arsenic-exposed brain reduced microglia activation (IL-6 and TNF-alpha and CD68 expression) and subsequently rescued CD200 level. Arsenic interleukin 6 Mus musculus
4 Taken together, the study showed that arsenic-mediated compromised blood-brain barrier is a major driving force to induce microglial IL-6 and TNF-alpha production through serum IFNgamma leading to CD200 downregulation. Arsenic interleukin 6 Mus musculus