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Hepcidin调控铁稳态分子机制及其靶向治疗铁代谢失衡 被引量:4

Hepcidin for iron homeostasis and target therapy in iron-related disorders
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摘要 Hepcidin是肝细胞合成的小分子肽类激素,在机体铁稳态调控中发挥着枢纽作用。Hepcidin作用于肠道刷状缘上皮细胞、肝脾单核.网状内皮细胞的铁通道蛋白(Ferroportin),促进其细胞内吞而被降解,从而减少肠道对外源食物铁的吸收,抑制单核.网状内皮系统储存池铁的释放,使机体处于限制性铁利用状态。Hepcidin表达不足或铁通道蛋白突变将导致机体外源铁过度吸收,储存池铁无序释放,产生高铁负荷[1]。因此,Hepcidin表达调控异常是多种铁代谢失衡的关键环节。针对Hepcidin的分子靶向治疗可有效纠正失衡的铁稳态,对于铁过载或限制性铁利用障碍性疾病有潜在的临床应用价值[2]。本文我们对Hepcidin表达的分子调控机制、Hepcidin异常表达在铁代谢失衡性疾病的病理作用以及Hepcidin分子靶向治疗3个方面的研究进展综述如下。
出处 《中华血液学杂志》 CAS CSCD 北大核心 2015年第11期977-980,共4页 Chinese Journal of Hematology
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