Journal
CELL DEATH DISCOVERY
Volume 9, Issue 1, Pages -Publisher
SPRINGERNATURE
DOI: 10.1038/s41420-023-01440-y
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Stroke has caused significant social stress globally, with the efficacy of most stroke drugs in clinical trials being unsatisfactory due to the complexity of stroke mechanisms. Pyroptosis, a programmed cell death with inflammatory properties, has been found to be closely associated with stroke. The regulation of pyroptosis by the GSDMD protein family leads to the release of inflammatory factors, exacerbating the breakdown of the blood-brain barrier and worsening brain injury. Understanding the mechanisms of pyroptosis and its role in stroke development may provide new therapeutic strategies for stroke treatment.
Stroke has caused tremendous social stress worldwide, yet despite decades of research and development of new stroke drugs, most have failed and rt-PA (Recombinant tissue plasminogen activator) is still the accepted treatment for ischemic stroke. the complexity of the stroke mechanism has led to unsatisfactory efficacy of most drugs in clinical trials, indicating that there are still many gaps in our understanding of stroke. Pyroptosis is a programmed cell death (PCD) with inflammatory properties and are thought to be closely associated with stroke. Pyroptosis is regulated by the GSDMD of the gasdermin family, which when cleaved by Caspase-1/Caspase-11 into N-GSDMD with pore-forming activity can bind to the plasma membrane to form small 10-20 nm pores, which would allow the release of inflammatory factors IL-18 and IL-1 beta before cell rupture, greatly exacerbating the inflammatory response. The pyroptosis occurs mainly in the border zone of cerebral infarction, and glial cells, neuronal cells and brain microvascular endothelial cells (BMECs) all undergo pyroptosis after stroke, which largely exacerbates the breakdown of the blood-brain barrier (BBB) and thus aggravates brain injury. Therefore, pyroptosis may be a good direction for the treatment of stroke. In this review, we focus on the latest mechanisms of action of pyroptosis and the process by which pyroptosis regulates stroke development. We also suggest potential therapeutic stroke drugs that target the pyroptosis pathway, providing additional therapeutic strategies for the clinical management of stroke.
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