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Nicotine Treatment Ameliorates Blood-Brain Barrier Damage After Acute Ischemic Stroke by Regulating Endothelial Scaffolding Protein Pdlim5
AbstractAnalysis of a National Institutes of Health (NIH) trial shows that cigarette smoking protected tissue plasminogen activator (tPA)-treated patients from hemorrhage transformation (HT); however, the underlying mechanism is not clear. Damage to the integrity of the blood-brain barrier (BBB) is the pathological basis of HT. Here, we investigated the molecular events of BBB damage after acute ischemic stroke (AIS) usingin vitro oxygen-glucose deprivation (OGD) andin vivo mice middle cerebral artery occlusion (MCAO) models. Our results showed that the permeability of bEND.3 monolayer endothelial cells was significantly i...
Source: Translational Stroke Research - May 26, 2023 Category: Neurology Source Type: research

Observational Study of Patients Hospitalized With Neurologic Events After SARS-CoV-2 Vaccination, December 2020-June 2021
Discussion All cases in this study were determined to have at least 1 risk factor and/or known etiology accounting for their neurologic syndromes. Our comprehensive clinical review of these cases supports the safety of mRNA COVID-19 vaccines.
Source: Neurology Clinical Practice - May 25, 2023 Category: Neurology Authors: Kim, C. Y., McNeill, E. N., Young, C., King, F., Clague, M., Caldwell, M., Boruah, A., Zucker, J., Thakur, K. T. Tags: Autoimmune diseases, Post-infectious, Inclusion, Diversity, Equity, Anti-racism, and Social Justice (IDEAS), COVID-19 Research Article Source Type: research

Peroxiredoxin-3 Plays a Neuroprotective Role in Early Brain Injury after Experimental Subarachnoid Hemorrhage in Rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Peroxiredoxin-3 plays a neuroprotective role in early brain injury after experimental subarachnoid hemorrhage in rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research Bulletin - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Peroxiredoxin-3 Plays a Neuroprotective Role in Early Brain Injury after Experimental Subarachnoid Hemorrhage in Rats
In conclusion, PRDX3 participates in neuronal protection by inhibiting the neuronal mitochondria-mediated death pathway; PRDX3 may be an important target for EBI intervention after SAH.PMID:36566946 | DOI:10.1016/j.brainresbull.2022.12.010
Source: Brain Research Bulletin - December 25, 2022 Category: Neurology Authors: Haibo Li Zongqi Wang Xueshun Xie Muyun Luo Haitao Shen Xiang Li Haiying Li Zhong Wang Xiangdong Li Gang Chen Source Type: research

Neuritin improves the neurological functional recovery after experimental intracerebral hemorrhage in mice
In this study, ICH was induced in C57BL/6 J mice by injection of collagenase VII, while the overexpression of Nrn in the striatum was induced by an adeno-associated virus serotype 9 (AAV9) vector. We found that compared with GFP-ICH mice, Nrn-ICH mice showed improved performance in the corner, cylinder and forelimb tests after ICH, and showed less weight loss and more rapid weight recovery. Overexpression of Nrn reduced brain lesions, edema, neuronal death and white matter and synaptic integrity dysfunction caused by ICH. Western blot results showed that phosphorylated PERK and ATF4 were significantly inhibited, while phos...
Source: Neurobiology of Disease - May 31, 2021 Category: Neurology Authors: Junmei Lu Zhaoyang Li Qianru Zhao Dongdong Liu Yan-Ai Mei Source Type: research

Effects of GDNF-Transfected Marrow Stromal Cells on Rats with Intracerebral Hemorrhage
Objective: The present study aimed to investigate the effects of Mesenchymal stem cells/glial cell line derived neurotrophic factor (MSCs/GDNF) transplantation on nerve reconstruction in rats with intracerebral hemorrhage. Methods: GDNF transduction to MSCs was using adenovirus vector pAdEasy-1-pAdTrack-CMV prepared. Intracerebral hemorrhage (ICH) was induced by injection of collagenase and heparin into the caudate putamen. At the third day after a collagenase-induced ICH, adult male SD rats were randomly divided into saline group, MSCs group and MSCs/GDNF group.
Source: Journal of Stroke and Cerebrovascular Diseases - June 23, 2019 Category: Neurology Authors: Li Deng, Xiaoqing Gao, Guangbi Fan, Chaoxian Yang Source Type: research

Induction of Brain Arteriovenous Malformation Through CRISPR/Cas9-Mediated Somatic Alk1 Gene Mutations in Adult Mice
AbstractBrain arteriovenous malformation (bAVM) is an important risk factor for intracranial hemorrhage. The pathogenesis of bAVM has not been fully understood. Animal models are important tools for dissecting bAVM pathogenesis and testing new therapies. We have developed several mouse bAVM models using genetically modified mice. However, due to the body size, mouse bAVM models have some limitations. Recent studies identified somatic mutations in sporadic human bAVM. To develop a feasible tool to create sporadic bAVM in rodent and animals larger than rodent, we made tests using the CRISPR/Cas9 technique to induce somatic g...
Source: Translational Stroke Research - December 3, 2018 Category: Neurology Source Type: research

MST1 Suppression Reduces Early Brain Injury by Inhibiting the NF- κB/MMP-9 Pathway after Subarachnoid Hemorrhage in Mice.
Conclusions: The current findings indicate that MST1 participates in SAH-induced BBB disruption and white matter fiber damage via the downstream NF-κB-MMP-9 signaling pathway. Therefore, MST1 antagonists may serve as a novel therapeutic target to prevent early brain injury in SAH patients. PMID: 30018671 [PubMed - in process]
Source: Behavioural Neurology - July 20, 2018 Category: Neurology Authors: Qu J, Zhao H, Li Q, Pan P, Ma K, Liu X, Feng H, Chen Y Tags: Behav Neurol Source Type: research

Peroxisome Proliferator-Activated Receptor {beta}/{delta} Alleviates Early Brain Injury After Subarachnoid Hemorrhage in Rats Basic Sciences
Conclusions— PPARβ/’s overexpression may attenuate early brain injury after rats’ SAH administration, which reduces neural apoptosis possibly through blocking NF-B/MMP-9 pathway.
Source: Stroke - December 28, 2015 Category: Neurology Authors: Teng, Z., Jiang, L., Hu, Q., He, Y., Guo, Z., Wu, Y., Huang, Z., Cao, F., Cheng, C., Sun, X., Guo, Z. Tags: Animal Models of Human Disease, Cell Signaling/Signal Transduction, Cerebrovascular Disease/Stroke Basic Sciences Source Type: research