期刊
MEDICAL HYPOTHESES
卷 80, 期 2, 页码 115-117出版社
CHURCHILL LIVINGSTONE
DOI: 10.1016/j.mehy.2012.11.004
关键词
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The alteration in cellular Ca2+ homeostasis is one of the key mechanisms contributing to secondary neuronal damage and altered physiology during the process of traumatic brain injury (TBI). However, there is considerable uncertainty about the efficacy of calcium channel blockers in randomized, controlled, clinical trials. In the physiological condition, cellular Ca2+ homeostasis occurs through repetitive bursts of rising intracellular Ca2+ that, sometimes are referred to as Ca2+ oscillations. Mitochondria are intimately involved in the spatiotemporal tuning of cellular Ca2+ signaling mainly through mitochondrial Ca2+ uniporter (MCU). Excessive Ca2+ uptake by the mitochondria through MCU is a key event in mitochondrial dysfunction and cell death in TBI. Selective inhibition of MCU has showed a promising cardioprotection and neuroprotection effect in many preclinical studies. Based on these preclinical results, the selective inhibition of MCU may be a new strategy for neuroprotection in TBI patients. (c) 2012 Elsevier Ltd. All rights reserved.
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