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Erythropoietin as a new therapeutic opportunity in brain inflammation and neurodegenerative diseases

机译:促红细胞生成素作为脑部炎症和神经退行性疾病的新治疗方法

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Highly expressed Erythropoietin Receptor (EPO-R) has been detected in several nonhematopoietic hypoxic cells, including cells from different brain areas in response to many different types of cell injury. In brain, hypoxia-ischemia (HI) can induce a wide spectrum of biologic responses, where inflammation and apoptosis are the main protagonists. Inflammation, as a primary brain insult, can induce a chronic hypoxic condition, producing the continuous cycle of inflammation-hypoxia that increases the apoptotic-cell number. It has also been demonstrated that administration of erythropoietin (EPO) prevented the neuronal death induced by HI, as well as the induction of lipid peroxidation in the hippocampus in a rodent model of Alzheimer's disease. Anti-apoptotic, anti-inflammatory, anti-oxidant, and/or cell-proliferative effects of EPO, have been observed in all type of cells expressing EPO-R, resulting in a potential tool for neuroprotection, neuroreparation, or neurogenesis of brain damaged areas. The nasal route is an alternative way of drugs administration that has been successfully exploited for bypassing the blood brain barrier, and subsequently delivering EPO and other molecules to central nervous system. Intranasal administration of EPO could be a new therapeutic opportunity in several brain damages that includes hypoxia, inflammation, neurodegenerative process, and apoptosis.
机译:已在几种非造血性低氧细胞中检测到高表达的促红细胞生成素受体(EPO-R),包括对许多不同类型的细胞损伤作出反应的来自不同大脑区域的细胞。在大脑中,缺氧缺血(HI)可以诱导多种生物学反应,其中炎症和凋亡是主要的主角。作为主要的脑损伤,炎症会诱发慢性缺氧,导致炎症-缺氧的持续循环,从而增加凋亡细胞的数量。还已经证明,在阿尔茨海默氏病的啮齿动物模型中,给予促红细胞生成素(EPO)可以预防HI诱导的神经元死亡,以及预防海马中脂质过氧化。在表达EPO-R的所有类型的细胞中均观察到EPO的抗凋亡,抗炎,抗氧化和/或细胞增殖作用,从而为神经保护,神经修复或脑损伤的神经发生提供了潜在的工具。地区。鼻途径是药物给药的另一种方式,已被成功用于绕过血脑屏障,然后将EPO和其他分子输送到中枢神经系统。鼻内给药EPO可能是几种脑损伤的新治疗机会,包括缺氧,炎症,神经退行性变和凋亡。

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