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A beta-induced TNF-alpha expression and acetylcholine action in mouse glial cells.

机译:在小鼠胶质细胞中,β诱导的TNF-α表达和乙酰胆碱作用。

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摘要

The brains in patients with Alzheimer's disease show chronic inflammatory responses characterized by activated glial cells and increased expression of cytokines. It is of interest to determine whether acetylcholine (ACh) affects Abeta-induced cytokine expression in the glial cells. Since it has been shown that alpha7 subunits of nicotinic ACh receptors are expressed in glial cells and that Abeta(1-42) binds to alpha7, we examined the effects of cholinergic agonists, carbachol, nicotine and oxotremorine-M, on Abeta-induced TNF-alpha expression in mouse glial cells. We did not observe any regulatory effects of ACh on Abeta-induced TNF-alpha transcription in the glial cells. We discuss the pathophysiological roles of ACh in glial cells in the brains of patients with Alzheimer's disease.
机译:患有阿尔茨海默氏病的患者的大脑显示出慢性炎症反应,其特征在于神经胶质细胞活化和细胞因子表达增加。确定乙酰胆碱(ACh)是否影响神经胶质细胞中Abeta诱导的细胞因子表达是有意义的。由于已经显示烟碱型ACh受体的alpha7亚基在神经胶质细胞中表达并且Abeta(1-42)与alpha7结合,因此我们检查了胆碱能激动剂,卡巴胆碱,尼古丁和氧代雷莫林-M对Abeta诱导的TNF的影响-α在小鼠神经胶质细胞中的表达。我们没有观察到ACh对神经胶质细胞中Abeta诱导的TNF-α转录的任何调节作用。我们讨论了ACh在阿尔茨海默氏病患者脑中神经胶质细胞中的病理生理作用。

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