Astrocytic mitochondrial frataxin-A promising target for ischemic brain injury.
Astrocytic mitochondrial frataxin-A promising target for ischemic brain injury.
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DOI:
10.1111/cns.14068
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发表时间:
2023-03
影响因子:
5.5
通讯作者:
中科院分区:
文献类型:
--
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In the ischemic brain, hypoxia leads to mitochondrial dysfunction, insufficient energy production, and astrocyte activation. Yet, most studies investigating mitochondrial dysfunction in cerebral ischemia have focused exclusively on neurons. This review will highlight the importance of the morphological, molecular, and functional heterogeneity of astrocytes in their role in brain injuries and explore how activated astrocytes exhibit calcium imbalance, reactive oxygen species overproduction, and apoptosis. In addition, special focus will be given to the role of the mitochondrial protein frataxin in activated astrocytes during ischemia and its putative role in the pharmacological management of cerebral ischemia. Astrocytes interconnect cerebral microvessels with neurons. Mitochondrial function within the astrocytes regulates neuronal response during cerebrovascular ischemia. Astrocytic calcium influx may reduce frataxin (FXN) expression, thereby contributing to mitochondrial dysfunction. Targeted induction of astrocytic FXN may be an attractive therapeutic strategy for ischemic brain injury.
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影响因子:
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作者:
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通讯作者:
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DOI:
10.1073/pnas.261560998
发表时间:
2001-12-18
影响因子:
11.1
作者:
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通讯作者:
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