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Specialty: Cytology
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Total 85 results found since Jan 2013.
Human Cord Blood-Endothelial Progenitor Cells Alleviate Intimal Hyperplasia of Arterial Damage in a Rat Stroke Model
In this study, we used an animal model with pathological changes that mimics artery wall damage caused by stent retrievers in humans. We injected hCB-EPCs to investigate their effect on endothelial hyperplasia and dysfunction during intimal repair. Four groups were established based on the length of reperfusion (3 and 28 days), as well as the presence or absence of hCB-EPC therapy. Damage to the internal carotid artery was evaluated by hematoxylin-eosin and immunohistochemical staining. Stroke volume was not significantly different between non-EPC and EPC groups although EPC treatment alleviated intimal hyperplasia 28 days...
Source: Cell Transplantation - August 24, 2023 Category: Cytology Authors: Hongming Sun Ryuta Morihara Tian Feng Zhihong Bian Haibo Yu Xiao Hu Xinran Hu Yuting Bian Ryo Sasaki Yusuke Fukui Mami Takemoto Taijun Yunoki Yumiko Nakano Koji Abe Toru Yamashita Source Type: research
Activation of endogenous neurogenesis and angiogenesis by basic fibroblast growth factor-chitosan gel in an adult rat model of ischemic stroke
This study revealed the mechanism by which bioactive materials repair ischemic strokes, thus providing a new strategy for the clinical application of bioactive materials in the treatment of ischemic stroke.PMID:37488905 | DOI:10.4103/1673-5374.375344
Source: Cell Research - July 25, 2023 Category: Cytology Authors: Hongmei Duan Shulun Li Peng Hao Fei Hao Wen Zhao Yudan Gao Hui Qiao Yiming Gu Yang Lv Xinjie Bao Kin Chiu Kwok-Fai So Zhaoyang Yang Xiaoguang Li Source Type: research
Neutralizing RGMa with Elezanumab Promotes Cerebroprotection and Recovery in Rabbit Middle Cerebral Artery Occlusion
Transl Stroke Res. 2023 Jun 16. doi: 10.1007/s12975-023-01164-2. Online ahead of print.ABSTRACTRepulsive guidance molecule A (RGMa) is an inhibitor of neuronal growth and survival which is upregulated in the damaged central nervous system following acute spinal cord injury (SCI), traumatic brain injury, acute ischemic stroke (AIS), and other neuropathological conditions. Neutralization of RGMa is neuroprotective and promotes neuroplasticity in several preclinical models of neurodegeneration and injury including multiple sclerosis, AIS, and SCI. Given the limitations of current treatments for AIS due to narrow time windows ...
Source: Cell Research - June 16, 2023 Category: Cytology Authors: Peer B Jacobson Andrea Mothe Aharon Levy Michael Krakovsky Bradley A Hooker Xiaomeng Zhang Jennifer Mollon Yulia Mordashova Mathias Droescher Sabine Weiss Stefan Barghorn Ingeborg Dreher Khader Awwad Volker Nimmrich Lili Huang Emma Fung Wayne R Buck Kimbe Source Type: research
EXERTION: a pilot trial on the effect of aerobic, smartwatch-controlled exercise on stroke recovery: effects on motor function, structural repair, cognition, mental well-being, and the immune system
This study investigates the effect of smartwatch-controlled aerobic exercise on functional recovery, cognition, emotional well-being, the immune system, and neuronal network reorganization in stroke patients. Trial registration ClinicalTrials.gov NCT Number: NCT05690165. First posted19 January 2023. Retrospectively registered, https://clinicaltrials.gov/ct2/show/NCT05690165.PMID:37170385 | DOI:10.1186/s42466-023-00244-w
Source: Cell Research - May 11, 2023 Category: Cytology Authors: Frederike A Straeten Stephanie van Zyl Bastian Maus Jochen Bauer Heiner Raum Catharina C Gross Sabine Bruchmann Nils C Landmeyer Cornelius Faber Jens Minnerup Antje Schmidt-Pogoda Source Type: research
Mitochondrial transplantation and immune response of human bone marrow mesenchymal stem cells for the Therapeutic of ischemic stroke
Curr Stem Cell Res Ther. 2023 May 5. doi: 10.2174/1574888X18666230505103407. Online ahead of print.ABSTRACTIschemic stroke is the leading cause of death and disability worldwide, with increasing incidence and mortality, imposing a significant social and economic burden on patients and their families. However, cerebral vascular occlusion leads to acute loss of neurons and destruction of synaptic structures. The limited treatment options cannot adequately address intra-neuronal mitochondrial dysfunction due to stroke. Therefore, stem cell-derived mitochondria transplantation plays an important role in neuronal protection and...
Source: Cell Research - May 8, 2023 Category: Cytology Authors: Yidong Liao Jiang Ming Wenxue Song Guangtang Chen Junshuan Cui Longcai He Zili Wang Xudong Wang Mingsong Xiong Hua Yang Kaya Xu Source Type: research
Evaluation of the effect of mesenchymal stem cells injection in the nucleus accumbens on the morphine reinstatement behavior in a conditioned place preference model in Wistar rat: expression changes of NMDA receptor subunits and NT-3
This study was designed to discover the effect of MSCs injection in the nucleus accumbens (NAc) on the reinstatement of behavior in morphine-induced conditioned place preference (CPP) in male rats. The CPP was induced via intra-peritoneal (i.p.) morphine injection (5mg/kg) for three consecutive days. After being tested for CPP induction, animals received MSCs or culture medium (DMEM F-12) in their NAc using stereotaxic surgery. Following extinction, a priming dose of morphine (2mg/kg) was administered to induce reinstatement. Expression of GluN1, GluN2A, and GluN2B subunits of the NMDA receptor and the NT-3 gene in the NAc...
Source: Cell Research - February 28, 2023 Category: Cytology Authors: Parviz Dousti Kataj Nasim Vousooghi Mahmoud Reza Hadjighassem Maryam Farahmandfar Somayeh Ebrahimi-Barough Source Type: research
Epigenetics and stroke: role of DNA methylation and effect of aging on blood-brain barrier recovery
This study aimed to evaluate the epigenetic and transcriptional profile of cerebral microvessels after thromboembolic (TE) stroke to define potential causes of limited BBB recovery. RNA-sequencing and reduced representation bisulfite sequencing (RRBS) analyses were performed using microvessels isolated from young (6 months) and old (18 months) mice seven days poststroke compared to age-matched sham controls. DNA methylation profiling of poststroke brain microvessels revealed 11287 differentially methylated regions (DMR) in old and 9818 DMR in young mice, corresponding to annotated genes. These DMR were enriched in genes en...
Source: Cell Research - January 30, 2023 Category: Cytology Authors: Chelsea Phillips Svetlana Stamatovic Richard Keep Anuska Andjelkovic Source Type: research
Brain Maturation as a Fundamental Factor in Immune-Neurovascular Interactions in Stroke
Transl Stroke Res. 2023 Jan 27. doi: 10.1007/s12975-022-01111-7. Online ahead of print.ABSTRACTInjuries in the developing brain cause significant long-term neurological deficits. Emerging clinical and preclinical data have demonstrated that the pathophysiology of neonatal and childhood stroke share similar mechanisms that regulate brain damage, but also have distinct molecular signatures and cellular pathways. The focus of this review is on two different diseases-neonatal and childhood stroke-with emphasis on similarities and distinctions identified thus far in rodent models of these diseases. This includes the susceptibil...
Source: Cell Research - January 27, 2023 Category: Cytology Authors: Elena Di Martino Aditya Rayasam Zinaida S Vexler Source Type: research
Metformin enhances neural precursor cells migration and functional recovery after ischemic stroke in mice
Exp Brain Res. 2023 Jan 8. doi: 10.1007/s00221-023-06547-3. Online ahead of print.ABSTRACTResident neural precursor cells (NPCs) activation is a promising therapeutic strategy for brain repair. This strategy involves stimulating multiple stages of NPCs development, including proliferation, self-renewal, migration, and differentiation. Metformin, an FDA-approved diabetes drug, has been shown to promote the proliferation and differentiation of NPCs. However, it is still unclear whether metformin promotes the migration of NPCs. EVOS living cell imaging system was used for observing the migration for primary NPCs dynamically i...
Source: Cell Research - January 7, 2023 Category: Cytology Authors: Liang Zhang Jing Zhang Xiaoming Zhu Wei Jiao Yang Yang Youping Wu Likun Yang Yuhai Wang Source Type: research
Exosome therapies improve outcome in rodents with ischemic stroke; Meta-analysis
This study systematically evaluated the efficacy of exosome therapy in ischemic stroke based on preclinical studies in rodent models.METHODS: We reviewed existing literature on exosome therapy in rodent stroke models from various databases, and reviewed the interventional measures, and outcome measures systematically, with changes in the infarct volume and functional scores as outcome parameters. Seventeen homogeneous studies were found qualitatively acceptable for meta-analysis. The study used software RevMan 5.3 to conduct the meta-analysis (PROSPERO Register Number: CRD42022314138) RESULTS: Compared to placebo, exosomes...
Source: Cell Research - January 2, 2023 Category: Cytology Authors: Simy Grace Cherian Sunil K Narayan Murugesan Arumugam Source Type: research
Vascular perfusion differs in two distinct PDGFR β-positive zones within the ischemic core of male mice 2 weeks following photothrombotic stroke
J Neurosci Res. 2022 Nov 22. doi: 10.1002/jnr.25146. Online ahead of print.ABSTRACTStroke therapy has largely focused on preventing damage and encouraging repair outside the ischemic core, as the core is considered irreparable. Recently, several studies have suggested endogenous responses within the core are important for limiting the spread of damage and enhancing recovery, but the role of blood flow and capillary pericytes in this process is unknown. Using the Rose Bengal photothrombotic model of stroke, we illustrate blood vessels are present in the ischemic core and peri-lesional regions 2 weeks post stroke in male mic...
Source: Cell Research - November 22, 2022 Category: Cytology Authors: Gary P Morris Emma K Gowing Jo-Maree Courtney Hannah E Coombe Natalie E King Sarah S J Rewell David W Howells Andrew N Clarkson Brad A Sutherland Source Type: research
Maf1 is an intrinsic suppressor against spontaneous neural repair and functional recovery after ischemic stroke
CONCLUSION: These findings indicate Maf1 as an intrinsic neural repair suppressor against regenerative capability of mature CNS neurons, and suggest that Maf1 is a potential therapeutic target for enhancing functional recovery after ischemic stroke and other CNS injuries.PMID:36402285 | DOI:10.1016/j.jare.2022.11.007
Source: Cell Research - November 19, 2022 Category: Cytology Authors: Chi Kwan Tsang Qiongjie Mi Guangpu Su Gum Hwa Lee Xuemin Xie Gabriella D'Arcangelo Li'an Huang X F Steven Zheng Source Type: research
