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Total 85 results found since Jan 2013.

Delayed rFGF21 Administration Improves Cerebrovascular Remodeling and White Matter Repair After Focal Stroke in Diabetic Mice
This study aims to evaluate the potential effects of rFGF21 on cerebrovascular remodeling after T2DM stroke. Permanent distal middle cerebral artery occlusion was performed in heterozygous non-diabetic db/ + and homozygous diabetic db/db mice. Daily rFGF21 administration was initiated 1 week after stroke induction and maintained for up to 2 weeks thereafter. Multiple markers associated with post-stroke recovery, including angiogenesis, oligodendrogenesis, white matter integrity, and neurogenesis, were assessed up to 3 weeks after stroke. Our results showed an impairment in post-stroke vascular remodeling under T2DM conditi...
Source: Cell Research - September 15, 2021 Category: Cytology Authors: Yinghua Jiang Jinrui Han Yadan Li Yinga Wu Ning Liu Samuel X Shi Li Lin Jing Yuan Shusheng Wang Ming-Ming Ning Aaron S Dumont Xiaoying Wang Source Type: research

Intranasal Delivery of Bone Marrow Mesenchymal Stem Cells Improved Neurovascular Regeneration and Rescued Neuropsychiatric Deficits after Neonatal Stroke in Rats.
Abstract Neonatal stroke is a major cause of mortality and long-term morbidity in infants and children. Currently very limited therapeutic strategies are available to protect the developing brain against ischemic damage and promote brain repairs for pediatric patients. Moreover, children who experienced neonatal stroke often have developmental social behavior problems. Cellular therapy using bone marrow mesenchymal stem cells (BMSCs) has emerged as a regenerative therapy after stroke. In the present investigation, neonatal stroke of postnatal day 7 (P7) rat pups was treated with non-invasive and brain specific int...
Source: Cell Transplantation - February 2, 2015 Category: Cytology Authors: Wei ZZ, Gu X, Ferdinand A, Lee JH, Ji X, Ji XM, Yu SP, Wei L Tags: Cell Transplant Source Type: research

Transplanting Mesenchymal Stem Cells for Treatment of Ischemic Stroke.
Abstract Stroke is a major disease that leads to high mortality and morbidity. Given the ageing population and the potential risk factors, the prevalence of stroke and socioeconomic burden associated with stroke are expected to increase. During the past decade, both prophylactic and therapeutic strategies for stroke have made significant progress. However, current therapies still cannot adequately improve the outcomes of stroke and may not apply to all patients. One of the significant advances in modern medicine is cell-derived neurovascular regeneration and neuronal repair. Progress in stem cell biology has great...
Source: Cell Transplantation - September 25, 2018 Category: Cytology Authors: Wang F, Tang H, Zhu J, Zhang JH Tags: Cell Transplant Source Type: research

Stroke and the neurovascular unit: glial cells, sex differences and hypertension.
Abstract A functional neurovascular unit (NVU) is central to meeting the brain's dynamic metabolic needs. Post-stroke damage to the NVU within the ipsilateral hemisphere ranges from cell dysfunction to complete cell loss. Thus, understanding post-stroke cell-cell communication within the NVU is of critical importance. Loss of coordinated NVU function exacerbates ischemic injury. However, particular cells of the NVU (e.g., astrocytes) and those with ancillary roles (e.g., microglia) also contribute to repair mechanisms. Epidemiological studies support the notion that infarct size and recovery outcomes are heterogen...
Source: Am J Physiol Cell Ph... - January 2, 2019 Category: Cytology Authors: Morrison HW, Filosa JA Tags: Am J Physiol Cell Physiol 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

Endogenous Neural Stem Cell-induced Neurogenesis after Ischemic Stroke: Processes for Brain Repair and Perspectives
Transl Stroke Res. 2022 Sep 3. doi: 10.1007/s12975-022-01078-5. Online ahead of print.ABSTRACTIschemic stroke is a very common cerebrovascular accident that occurred in adults and causes higher risk of neural deficits. After ischemic stroke, patients are often left with severe neurological deficits. Therapeutic strategies for ischemic stroke might mitigate neuronal loss due to delayed neural cell death in the penumbra or seek to replace dead neural cells in the ischemic core. Currently, stem cell therapy is the most promising approach for inducing neurogenesis for neural repair after ischemic stroke. Stem cell treatments i...
Source: Cell Research - September 3, 2022 Category: Cytology Authors: Hailiang Tang Yao Li Weijun Tang Jianhong Zhu Graham C Parker John H Zhang Source Type: research

Effects of Xiaoshuan Enteric-Coated Capsule on White and Gray Matter Injury Evaluated by Diffusion Tensor Imaging in Ischemic Stroke.
This study was to investigate the effects of XSECC on white and gray matter injury in a rat model of ischemic stroke by diffusion tensor imaging (DTI) and histopathological analyses. The ischemia was induced by middle cerebral artery occlusion (MCAO). The cerebral blood flow measured by arterial spin labeling was improved by treatment with XSECC on the 3rd, 7th, 14th and 30th days after MCAO. Spatiotemporal white and gray matter changes in MCAO rats were examined with DTI-derived parameters (fractional anisotropy, FA; apparent diffusion coefficient, ADC; axial diffusivity, λ//; radial diffusivity, λ⊥). The increased FA...
Source: Cell Transplantation - October 4, 2018 Category: Cytology Authors: Zhang J, Chen S, Shi W, Li M, Zhan Y, Yang L, Zou H, Lei J, Chai X, Gao K, Liu J, Wang W, Wang Y, Zhao H Tags: Cell Transplant Source Type: research

CCR5 Is a Therapeutic Target for Recovery after Stroke and Traumatic Brain Injury
Publication date: 21 February 2019Source: Cell, Volume 176, Issue 5Author(s): Mary T. Joy, Einor Ben Assayag, Dalia Shabashov-Stone, Sigal Liraz-Zaltsman, Jose Mazzitelli, Marcela Arenas, Nora Abduljawad, Efrat Kliper, Amos D. Korczyn, Nikita S. Thareja, Efrat L. Kesner, Miou Zhou, Shan Huang, Tawnie K. Silva, Noomi Katz, Natan M. Bornstein, Alcino J. Silva, Esther Shohami, S. Thomas CarmichaelSummaryWe tested a newly described molecular memory system, CCR5 signaling, for its role in recovery after stroke and traumatic brain injury (TBI). CCR5 is uniquely expressed in cortical neurons after stroke. Post-stroke neuronal kno...
Source: Cell - February 22, 2019 Category: Cytology Source Type: research

Cyclic nucleotide phosphodiesterases (PDEs) and endothelial function in ischaemic stroke. A review.
CONCLUSION: This review demonstrates that non-selective and selective PDEi of PDE3, PDE4 and PDE5 modulated endothelial function in cerebral ischemic stroke by regulating processes involved in vascular repair and neuroprotection and thus reduced cell death and inflammation. Of note, they promoted angiogenesis, microcirculation and improved functional recovery; all are important in stroke prevention and recovery, and effects should be further evaluated in humans. PMID: 31132399 [PubMed - as supplied by publisher]
Source: Cellular Signalling - May 23, 2019 Category: Cytology Authors: Yasmeen S, Akram BH, Hainsworth AH, Kruuse C Tags: Cell Signal 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

Aggregation of human mesenchymal stem cells enhances survival and efficacy in stroke treatment
In this study, we report the effects of short-term preconditioning of hMSCs via three-dimensional (3D) aggregation on stroke lesion recovery after intra-arterial (IA) transplantation of 3D aggregate-derived hMSCs (Agg-D hMSCs) in a transient middle cerebral artery occlusion (MCAO) stroke model. Compared with two-dimensional (2D) monolayer culture, Agg-D hMSCs exhibited increased resistance to ischemic stress, secretory function and therapeutic outcome. Short-term preconditioning via 3D aggregation reconfigured hMSC energy metabolism and altered redox cycle, which activated the PI3K/AKT pathway and enhanced resistance to in...
Source: Cytotherapy - September 17, 2019 Category: Cytology 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

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

Berberine Facilitates Angiogenesis Against Ischemic Stroke Through Modulating Microglial Polarization via AMPK Signaling.
In conclusion, BBR treatment improves functional recovery and promotes angiogenesis following tMCAO via AMPK-dependent microglial M2 polarization. PMID: 31020571 [PubMed - as supplied by publisher]
Source: Cellular and Molecular Neurobiology - April 23, 2019 Category: Cytology Authors: Zhu J, Cao D, Guo C, Liu M, Tao Y, Zhou J, Wang F, Zhao Y, Wei J, Zhang Y, Fang W, Li Y Tags: Cell Mol Neurobiol Source Type: research