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Molecular Researches on Ischemic Stroke—2nd Edition

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Neurobiology".

Deadline for manuscript submissions: 30 November 2024 | Viewed by 2374

Special Issue Editor


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Guest Editor
Department of Biomedicine, Neuroscience and Advanced Diagnostics (BiND), University of Palermo, Via Gaetano la Loggia n.1, 90129 Palermo, Italy
Interests: stroke; extrapiramidal syndromes; sex differences in neurological disorders
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Special Issue Information

Dear Colleagues,

Stroke has become a serious issue for health systems in addition to being a major cause of death and long-term adult disability worldwide; in order to establish effective treatments, understanding the wide range of molecular pathways leading to neuronal death or enhancing damage is one of the important goals in stroke research. Critical points for stroke physiopathology are local hypoxia that damages brain tissue and neuronal death. Reperfusion therapies, the only available treatments for ischemic stroke, only work directly on the first mechanism, decreasing neuronal death via the quick recovery of blood flow in a therapeutic time window. Reperfusion treatments outside of a therapeutic time window can result in a hemorrhagic transformation. Many mechanisms are involved independently or in combination in stroke neuronal death, including excitotoxicity, mitochondrial death pathways, the release of free radicals, protein misfolding, apoptosis, necrosis, autophagy, and inflammation. The loss of astrocytes, as well as injury to white matter, may play a crucial role in stroke physiopathology. Potential drugs for stroke are agents that could provide the inhibition of cell death pathways.

This Special Issue of the International Journal of Molecular Sciences aims to provide new avenues into molecular research on ischemic stroke. A better knowledge of the molecular pathways involved may be useful to develop new effective treatments without the limitation of reperfusion therapy (time window, hemorrhagic transformation) for stroke, or new ones that work in synergy with standard therapy. Submissions highlighting each of these topics are welcome. Clinical and basic science contributions, consisting of original papers or reviews, will be equally considered.

Dr. Valentina Arnao
Guest Editor

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Keywords

  • ischemic stroke
  • molecular pathway
  • brain damage and neuronal death
  • excitotoxicity and apoptosis
  • inflammation
  • autophagy

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Published Papers (2 papers)

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Review

10 pages, 1517 KiB  
Review
Pathogenesis of Cerebral Small Vessel Disease: Role of the Glymphatic System Dysfunction
by Dong-Hun Lee, Eun Chae Lee, Sang-Won Park, Ji Young Lee, Man Ryul Lee and Jae Sang Oh
Int. J. Mol. Sci. 2024, 25(16), 8752; https://doi.org/10.3390/ijms25168752 - 11 Aug 2024
Viewed by 350
Abstract
Cerebral small vessel disease (CSVD) is a group of pathologies that affect the cerebral blood vessels. CSVD accounts for 25% of strokes and contributes to 45% of dementia. However, the pathogenesis of CSVD remains unclear, involving a variety of complex mechanisms. CSVD may [...] Read more.
Cerebral small vessel disease (CSVD) is a group of pathologies that affect the cerebral blood vessels. CSVD accounts for 25% of strokes and contributes to 45% of dementia. However, the pathogenesis of CSVD remains unclear, involving a variety of complex mechanisms. CSVD may result from dysfunction in the glymphatic system (GS). The GS contains aquaporin-4 (AQP-4), which is in the perivascular space, at the endfeet of the astrocyte. The GS contributes to the removal of waste products from the central nervous system, occupying perivascular spaces and regulating the exchange and movement of cerebrospinal fluid and interstitial fluid. The GS involves astrocytes and aquaporin channels, which are components of the blood–brain barrier, and problems with them may constitute the pathogenesis of CSVD. Vascular risk factors, including diabetes, dilate the perivascular space, disrupting the glymphatic system and the active regulation of AQP-4. CSVD exacerbation due to disorders of the GS is associated with multiple vasculopathies. Dysfunction of the glymphatic system and AQP-4 interferes with the functioning of the blood–brain barrier, which exacerbates CSVD. In a long-term follow-up of CSVD patients with microbleeds, lacunar infarcts, and white matter hyperintensity, several vascular risk factors, including hypertension, increased the risk of ischemic stroke. Dysfunction of the GS may be the cause of CSVD; however, the underlying treatment needs to be studied further. Full article
(This article belongs to the Special Issue Molecular Researches on Ischemic Stroke—2nd Edition)
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22 pages, 1386 KiB  
Review
Circular RNAs: Promising Treatment Targets and Biomarkers of Ischemic Stroke
by Guangchen Xu, Ge Liu, Ziyu Wang, Yunman Li and Weirong Fang
Int. J. Mol. Sci. 2024, 25(1), 178; https://doi.org/10.3390/ijms25010178 - 22 Dec 2023
Viewed by 1463
Abstract
Ischemic stroke is one of the most significant causes of morbidity and mortality worldwide. However, there is a dearth of effective drugs and treatment methods for ischemic stroke. Significant numbers of circular RNAs (circRNAs) exhibit abnormal expression following ischemic stroke and are considered [...] Read more.
Ischemic stroke is one of the most significant causes of morbidity and mortality worldwide. However, there is a dearth of effective drugs and treatment methods for ischemic stroke. Significant numbers of circular RNAs (circRNAs) exhibit abnormal expression following ischemic stroke and are considered potential therapeutic targets. CircRNAs have emerged as promising biomarkers due to their stable expression in peripheral blood and their potential significance in ischemic stroke diagnosis and prognosis. This review provides a summary of 31 circRNAs involved in the pathophysiological processes of apoptosis, autophagy, inflammation, oxidative stress, and angiogenesis following ischemic stroke. Furthermore, we discuss the mechanisms of action of said circRNAs and their potential clinical applications. Ultimately, circRNAs exhibit promise as both therapeutic targets and biomarkers for ischemic stroke. Full article
(This article belongs to the Special Issue Molecular Researches on Ischemic Stroke—2nd Edition)
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