ArticleThe Journal of neuroscience : the official journal of the Society for Neuroscience2025
Microvascular Dysfunction, Mitochondrial Reprogramming, and Inflammasome Activation as Critical Regulators of Ischemic Stroke Severity Induced by Chronic Exposure to Prescription Opioids.
Article in The Journal of neuroscience : the official journal of the Society for Neuroscience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Mitochondrial oxidative stress and ion-channel suppression reveal a distinct neurotoxic profile of fentanyl analogues in a human neuronal model.Archives of toxicology · 2026Article
- Transcriptional Response to Chronic Long-Access Fentanyl Self-Administration in Rat Habenula and Amygdala.Addiction biology · 2026Article
- Occludin modulates HIV and ischaemic stroke response via the mitochondrial antiviral signalling pathway.Brain : a journal of neurology · 2026Article
- Trained immunity as a systemic bridge: the liver-gut-immune-oral axis in the comorbidity of chronic liver disease and periodontitis.Frontiers in immunology · 2026Review
- Transcriptional response to chronic long-access fentanyl self-administration in rat habenula and amygdala.bioRxiv : the preprint server for biology · 2025Article
- The association between serum klotho protein and stroke: a cross-sectional study from NHANES 2007-2016.Frontiers in neurology · 2025Article
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Authors and funding
4 authors.
Funding
Abstract
The opioid epidemic endangers not only public health but also social and economic welfare. Growing clinical evidence indicates that chronic use of prescription opioids may contribute to an elevated risk of ischemic stroke and negatively impact poststroke recovery. In addition, NLRP3 inflammasome activation has been related to several cerebrovascular diseases, including ischemic stroke. Interestingly, an increase in NLRP3 inflammasome activation has also been reported in chronic opioid exposure. Given the pivotal roles of the blood-brain barrier (BBB) and oxidative stress in ischemic stroke pathophysiology, this study focuses on the impact of chronic exposure to prescription opioids on the integrity of cerebrovascular microvasculature, endothelial mitochondrial homeostasis, and the outcomes of ischemic stroke in male wild-type and NLRP3-deficient mice. Our results demonstrate that chronic opioid exposure can compromise the integrity of the BBB and elevate the generation of reactive oxygen species (ROS), resulting in endothelial mitochondrial dysfunction and apoptosis activation. We also provide evidence that opioid exposure enhances inflammasome activation and inflammatory responses and increases the severity of an ischemic stroke. The antioxidant
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