Downregulation of Ripk1 and Nsf mediated by CRISPR-CasRx ameliorates stroke volume and neurological deficits after ischemia stroke in mice DOI Creative Commons

Xincheng Song,

Lan Yang, Shuang Lv

et al.

Frontiers in Aging Neuroscience, Journal Year: 2024, Volume and Issue: 16

Published: June 11, 2024

Necroptosis is implicated in the pathogenesis of ischemic stroke. However, mechanism underlying sequential recruitment receptor-interacting protein kinase 1 (RIPK1) and N-ethylmaleimide-sensitive fusion ATPase (NSF) initiating necroptosis remains poorly understood, role NSF stroke a subject controversy. Here, we utilized recently emerging RNA-targeting CRISPR system known as CasRx, delivered by AAVs, to knockdown

Language: Английский

Poly (ADP-Ribose) polymerase 1 and parthanatos in neurological diseases: From pathogenesis to therapeutic opportunities DOI Creative Commons
Xiaoxue Xu, Bowen Sun, Chuansheng Zhao

et al.

Neurobiology of Disease, Journal Year: 2023, Volume and Issue: 187, P. 106314 - 106314

Published: Oct. 1, 2023

Poly (ADP-ribose) polymerase-1 (PARP-1) is the most extensively studied member of PARP superfamily, with its primary function being facilitation DNA damage repair processes. Parthanatos a type regulated cell death cascade initiated by PARP-1 hyperactivation, which involves multiple subroutines, including accumulation ADP-ribose polymers (PAR), binding PAR and apoptosis-inducing factor (AIF), release AIF from mitochondria, translocation AIF/macrophage migration inhibitory (MIF) complex, massive MIF-mediated fragmentation. Over past few decades, role in central nervous system health disease has received increasing attention. In this review, we discuss biological functions neural proliferation differentiation, memory formation, brain ageing, epigenetic regulation. We then elaborate on involvement PARP-1-dependant parthanatos various neuropathological processes, such as oxidative stress, neuroinflammation, mitochondrial dysfunction, excitotoxicity, autophagy damage, endoplasmic reticulum (ER) stress. Additional highlight contains PARP-1's implications initiation, progression, therapeutic opportunities for different neurological illnesses, neurodegenerative diseases, stroke, autism spectrum disorder (ASD), sclerosis (MS), epilepsy, neuropathic pain (NP). Finally, emerging insights into repurposing inhibitors management diseases are provided. This review aims to summarize exciting advancements critical disorders, may open new avenues options targeting or parthanatos.

Language: Английский

Citations

28

RIPK1 inhibitors: A key to unlocking the potential of necroptosis in drug development DOI

Yinliang Bai,

Yujun Qiao,

Mingming Li

et al.

European Journal of Medicinal Chemistry, Journal Year: 2024, Volume and Issue: 265, P. 116123 - 116123

Published: Jan. 3, 2024

Language: Английский

Citations

15

Endothelial cells and macrophages as allies in the healthy and diseased brain DOI Creative Commons
Ádám Dénes, Cathrin E. Hansen,

Uemit Oezorhan

et al.

Acta Neuropathologica, Journal Year: 2024, Volume and Issue: 147(1)

Published: Feb. 12, 2024

Abstract Diseases of the central nervous system (CNS) are often associated with vascular disturbances or inflammation and frequently both. Consequently, endothelial cells macrophages key cellular players that mediate pathology in many CNS diseases. Macrophages brain consist CNS-associated (CAMs) [also referred to as border-associated (BAMs)] microglia, both which close neighbours even form direct contacts microvessels. Recent progress has revealed different macrophage populations a subset derived from same erythromyeloid progenitor cells. share several common features their life cycle—from invasion into early during embryonic development proliferation CNS, demise. In adults, microglia CAMs have been implicated regulating patency diameter vessels, blood flow, tightness blood–brain barrier, removal calcification, life-time Conversely, may affect polarization activation state myeloid populations. The molecular mechanisms governing pas de deux beginning be deciphered will reviewed here.

Language: Английский

Citations

12

Macrophage migration inhibitor factor (MIF): Potential role in cognitive impairment disorders DOI
Lian Zeng,

Pengchao Hu,

Yu Zhang

et al.

Cytokine & Growth Factor Reviews, Journal Year: 2024, Volume and Issue: 77, P. 67 - 75

Published: March 19, 2024

Language: Английский

Citations

10

Molecular Mechanisms of Ischemic Stroke: A Review Integrating Clinical Imaging and Therapeutic Perspectives DOI Creative Commons

Sana Rehman,

Arsalan Nadeem, Umar Akram

et al.

Biomedicines, Journal Year: 2024, Volume and Issue: 12(4), P. 812 - 812

Published: April 7, 2024

Ischemic stroke poses a significant global health challenge, necessitating ongoing exploration of its pathophysiology and treatment strategies. This comprehensive review integrates various aspects ischemic research, emphasizing crucial mechanisms, therapeutic approaches, the role clinical imaging in disease management. It discusses multifaceted Netrin-1, highlighting potential promoting neurovascular repair mitigating post-stroke neurological decline. also examines impact blood–brain barrier permeability on outcomes explores alternative targets such as statins sphingosine-1-phosphate signaling. Neurocardiology investigations underscore contribution cardiac factors to mortality, importance understanding brain–heart axis for targeted interventions. Additionally, advocates early reperfusion neuroprotective agents counter-time-dependent excitotoxicity inflammation, aiming preserve tissue viability. Advanced techniques, including DWI, PI, MR angiography, are discussed their evaluating penumbra evolution guiding decisions. By integrating molecular insights with modalities, this interdisciplinary approach enhances our offers promising avenues future research interventions improve patient outcomes.

Language: Английский

Citations

9

NO-releasing double-crosslinked responsive hydrogels accelerate the treatment and repair of ischemic stroke DOI Creative Commons
Wen Guo, Cheng Hu, Yue Wang

et al.

Acta Pharmaceutica Sinica B, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 1, 2025

Stroke is a global disease that seriously threatens human life. The pathological mechanisms of ischemic stroke include neuroinflammation, oxidative stress, and the destruction blood vessels at lesion site. Here, biocompatible in situ hydrogel platform was designed to target multiple pathogenic post-stroke, including anti-inflammation, anti-oxidant, promotion angiogenesis. Double-crosslinked responsive multifunctional hydrogels could quickly respond microenvironment damage site mediate delivery nitric oxide (NO) ISO-1 (inhibitor macrophage migration inhibitory factor, MIF). demonstrated good biocompatibility scavenge reactive oxygen species (ROS) inflammatory cytokines, such as interleukin-6 (IL-6), interleukin-10 (IL-10), MIF. In mouse model, hydrogels, when situated within cerebral infarction characterized by weak acidity elevated ROS release, would release anti-inflammatory nanoparticles rapidly exert an effect. Concurrently, NO sustained facilitate angiogenesis provide neuroprotective effects. Neurological function significantly improved treated mice assessed modified neurological severity score, rotarod test, open field test. These findings indicate held promise for alleviate injury responding brain's microenvironment.

Language: Английский

Citations

1

Advances in the Study of Necroptosis in Vascular Dementia: Focus on Blood–Brain Barrier and Neuroinflammation DOI Creative Commons

Yuemin Qiu,

Lin Cheng,

Yinyi Xiong

et al.

CNS Neuroscience & Therapeutics, Journal Year: 2025, Volume and Issue: 31(2)

Published: Feb. 1, 2025

ABSTRACT Background Vascular dementia (VaD) includes a group of brain disorders that are characterized by cerebrovascular pathology.Neuroinflammation, disruption the blood–brain barrier (BBB) permeability, white matter lesions, and neuronal loss all significant pathological manifestations VaD play key role in disease progression. Necroptosis, also known asprogrammed necrosis, is mode programmed cell death distinct from apoptosis closely associated with ischemic injury neurodegenerative diseases. Recent studies have shown necroptosis exacerbates BBB destruction, activates neuroinflammation, promotes loss, severely affects prognosis. Results Conclusions In this review, we outline roles its molecular mechanisms process VaD, particular focus on modulating neuroinflammation exacerbating permeability elaborate regulatory centrally involved cells mediated tumor necrosis factor‐α VaD. We analyze possibility specific strategy targeting would help inhibit destruction With necroptosis, study delved into impact changes prognosis to provide new treatment ideas.

Language: Английский

Citations

1

Noncanonical feedback loop between “RIP3–MLKL” and “4EBP1–eIF4E” promotes neuronal necroptosis DOI Creative Commons
Shuchao Wang, Yun Zhang, Meijuan Wang

et al.

MedComm, Journal Year: 2025, Volume and Issue: 6(3)

Published: Feb. 18, 2025

Stroke is a leading risk factor for disability and death. Necroptosis involved in stroke pathogenesis. However, the molecular mechanisms underlying necroptosis remain unclear. The mammalian target of rapamycin complex 1 (mTORC1) modulates gut epithelium. Eukaryotic translation initiation 4E (eIF4E)-binding protein-1 (4EPB1) one main downstream molecules mTORC1. This study addresses role 4EBP1-eIF4E pathway necroptosis. was found to be activated both necroptotic HT-22 mouse middle cerebral artery occlusion (MCAO) models. Functionally, 4EBP1 overexpression, eIF4E knockdown, inhibition suppressed necroptosis, respectively. Furthermore, positive feedback circuit observed between receptor-interacting protein-3 (RIP3)-mixed lineage kinase domain-like protein (MLKL) pathways, which RIP3-MLKL activates by degrading activating eIF4E. turn enhanced activation. activation derived from this loop may stimulate cytokine production, key associated with Finally, using MCAO model, application eIF4E, RIP3, MLKL inhibitors have regulatory mechanism similar that vitro study, reducing infarct volume improving neurological function mice.

Language: Английский

Citations

1

Pre-ischaemic empagliflozin treatment attenuates blood–brain barrier disruption via β-catenin mediated protection of cerebral endothelial cells DOI

Guohao Liu,

Yanmei Qiu,

Nanlin You

et al.

Cardiovascular Research, Journal Year: 2025, Volume and Issue: unknown

Published: April 2, 2025

Abstract Aims Microvascular endothelial cells dysfunction can significantly worsen ischaemic stroke outcomes by disrupting tight junctions and increasing the acquisition of adhesion molecules, accelerating blood–brain barrier (BBB) disruption pro-inflammatory response. The identification drugs that improve cell function may be crucial for stroke. It has been validated empagliflozin (EMPA), a novel antidiabetic drug, protects regardless diabetic status patient. However, impact EMPA on is unclear. We hypothesized would exert beneficial effect outcome protecting microvascular against junction increase molecules. Methods results Young adult male mice were administered with or vehicle (dimethyl sulfoxide) daily 7 days before being subjected to transient middle cerebral artery occlusion (tMCAO). Neurological deficits evaluated up 28 post-tMCAO. Infarct volume, BBB disruption, inflammatory assessed 1 day after tMCAO.bEnd.3 primary brain treated under oxygen glucose deprivation/reperfusion (OGD/R), lactate dehydrogenase release, transendothelial electrical resistance, leakage fluorescein isothiocyanate-dextran, molecules proteins examined. Mechanistic studies probing conducted RNA-seq. treatment ischaemia markedly improved infarct inflammation 1-day post-tMCAO, further enhanced neurobehavioral days. Pre-treatment attenuated OGD/R conditions. In mechanistic terms, RNA-seq data from isolated microvessels revealed Wnt/β-catenin signalling pathway was preserved in group, contrast group. inhibited β-catenin ubiquitination promoted translocation cytoplasm nucleus function. Importantly, inhibitor XAV-939 eliminated this protective EMPA. Conclusion administration tMCAO ischaemia/reperfusion-induced via β-catenin-mediated protection cells. Therefore, shows potential improving as an adjunctive preventive strategy.

Language: Английский

Citations

1

Esculentoside H reduces the PANoptosis and protects the blood-brain barrier after cerebral ischemia/reperfusion through the TLE1/PI3K/AKT signaling pathway DOI
Kuo Zhang, Zhichao Wang,

Hongxue Sun

et al.

Experimental Neurology, Journal Year: 2024, Volume and Issue: 379, P. 114850 - 114850

Published: June 12, 2024

Language: Английский

Citations

8