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Ischemic stroke and mitochondria: mechanisms and targets

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Abstract

Stroke is one of the main causes of mortality and disability in most countries of the world. The only way of managing patients with ischemic stroke is the use of intravenous tissue plasminogen activator and endovascular thrombectomy. However, very few patients receive these treatments as the therapeutic time window is narrow after an ischemic stroke. The paucity of stroke management approaches can only be addressed by identifying new possible therapeutic targets. Mitochondria have been a rare target in the clinical management of stroke. Previous studies have only investigated the bioenergetics and apoptotic roles of this organelle; however, the mitochondrion is now considered as a key organelle that participates in many cellular and molecular functions. This review discusses the mitochondrial mechanisms in cerebral ischemia such as its role in reactive oxygen species (ROS) generation, apoptosis, and electron transport chain dysfunction. Understanding the mechanisms of mitochondria in neural cell death during ischemic stroke might help to design new therapeutic targets for ischemic stroke as well as other neurological diseases.

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Funding

This study is funded by the DST-PURSE program through grant (No. SR/PURSE Phase 2/39 (C)) and SERB-EMR grant (2016/001070/HS).

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Correspondence to Syed Suhail Andrabi or Suhel Parvez.

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The authors declare that they have no conflict of interest.

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Handling Editor: Klaudia Brix

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Andrabi, S.S., Parvez, S. & Tabassum, H. Ischemic stroke and mitochondria: mechanisms and targets. Protoplasma 257, 335–343 (2020). https://doi.org/10.1007/s00709-019-01439-2

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  • DOI: https://doi.org/10.1007/s00709-019-01439-2

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