Astrocytes and therapeutics for Parkinson's disease.
Astrocytes and therapeutics for Parkinson's disease.
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DOI：
10.1016/j.nurt.2010.07.001
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发表时间：
2010-10
期刊：
影响因子：
--
通讯作者：
Tieu K
中科院分区：
文献类型：
--
作者：
Rappold PM;Tieu K
Astrocytes play direct, active, and critical roles in mediating neuronal survival and function in various neurodegenerative disorders. This role of astrocytes is well illustrated in Amyotrophic Lateral Sclerosis (ALS), in which the removal of glutamate from the extracellular space by astrocytes confers neuroprotection, whereas astrocytic release of soluble toxic molecules promotes neurodegeneration. In recent years, this context dependent dual role of astrocytes has also been documented in experimental models of Parkinson's disease (PD). These studies and some potential mechanisms by which astrocytes may influence the neurodegenerative processes in PD will be discussed in this review. More specifically, we will examine how astrocytes confer neuroprotection either through the removal of toxic molecules from the extracellular space or through the release of trophic factors and antioxidant molecules. In contrast, under pathological conditions, astrocytes release pro-inflammatory cytokines and other toxic molecules that are detrimental to dopaminergic neurons. These emerging roles of astrocytes in the pathogenesis of PD constitute an exciting development with promising novel therapeutic targets.
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