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Cholinergic anti-inflammatory pathway : ウィキペディア英語版 | Cholinergic anti-inflammatory pathway The cholinergic anti-inflammatory pathway regulates the innate immune response to injury, pathogens, and tissue ischemia. It is the efferent, or motor arm of the inflammatory reflex, the neural circuit that responds to and regulates the inflammatory response. == Regulating the immune response ==
In 1987 a study showed that administration of armin, an irreversible inhibitor of acetylcholinesterase, by injection 24 hours before sepsis modelling invoked essential depression of a lethality of mice from experimental infectious process. Later (in 1995) this data has been confirmed at cholinergic stimulation by other cholinomimetics.〔 Inhibitors of acetylcholinesterase can cause higher accessibility of acetylcholine and activation of cholinergic anti-inflammatory pathway as well. Tumor necrosis factors (TNF) (and other cytokines) are produced by cells of the innate immune system during local injury and infection. These contribute to initiating a cascade of mediator release, and recruiting inflammatory cells to the site of infection to contain infection, referred to as "innate immunity.". TNF amplifies and prolongs the inflammatory response by activating other cells to release interleukin-1 (IL-1), high mobility group B1 (HMGB1) and other cytokines. These inflammatory cytokine responses confer protective advantages to the host at the site of bacterial infection. A “beneficial” inflammatory response is limited, resolves in 48–72 hours, and does not spread systemically. The cholinergic anti-inflammatory pathway provides a braking effect on the innate immune response which protects the body against the damage that can occur if a localized inflammatory response spreads beyond the local tissues, which results in toxicity or damage to the kidney, liver, lungs, and other organs.
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