Title : Histamine induces upregulated expression of histamine receptors and increases release of inflammatory mediators from microglia.

Pub. Date : 2014 Jun

PMID : 24752587






7 Functional Relationships(s)
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1 Histamine can also dose-dependently stimulate microglia activation and subsequently production of proinflammatory factors tumor necrosis factor (TNF)-alpha and interleukin-6 (IL-6). Histamine interleukin 6 Homo sapiens
2 Histamine can also dose-dependently stimulate microglia activation and subsequently production of proinflammatory factors tumor necrosis factor (TNF)-alpha and interleukin-6 (IL-6). Histamine interleukin 6 Homo sapiens
3 The antagonists of H1R and H4R but not H2R and H3R reduced histamine-induced TNF-alpha and IL-6 production, MAPK and PI3K/AKT pathway activation, and mitochondrial membrane potential loss in microglia, suggesting that the actions of histamine are via H1R and H4R. Histamine interleukin 6 Homo sapiens
4 On the other hand, inhibitors of JNK, p38, or PI3K suppressed histamine-induced TNF-alpha and IL-6 release from microglia. Histamine interleukin 6 Homo sapiens
5 Histamine also activated NF-kappa B and ammonium pyrrolidinedithiocarbamate, an inhibitor of NF-kappa B, and reduced histamine-induced TNF-alpha and IL-6 release. Histamine interleukin 6 Homo sapiens
6 Histamine also activated NF-kappa B and ammonium pyrrolidinedithiocarbamate, an inhibitor of NF-kappa B, and reduced histamine-induced TNF-alpha and IL-6 release. Histamine interleukin 6 Homo sapiens
7 We also demonstrate that histamine induced TNF-alpha and IL-6 release from activated microglia via H1R and H4R-MAPK and PI3K/AKT-NF-kappa B signaling pathway, which will deepen the understanding of microglia-mediated neuroinflammatory symptoms of chronic neurodegenerative disease. Histamine interleukin 6 Homo sapiens