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Rotaru-Zăvăleanu AD, Dinescu VC, Aldea M, Gresita A. Hydrogel-Based Therapies for Ischemic and Hemorrhagic Stroke: A Comprehensive Review. Gels 2024; 10:476. [PMID: 39057499 PMCID: PMC11276304 DOI: 10.3390/gels10070476] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/28/2024] Open
Abstract
Stroke remains the second leading cause of death and a major cause of disability worldwide, significantly impacting individuals, families, and healthcare systems. This neurological emergency can be triggered by ischemic events, including small vessel arteriolosclerosis, cardioembolism, and large artery atherothromboembolism, as well as hemorrhagic incidents resulting from macrovascular lesions, venous sinus thrombosis, or vascular malformations, leading to significant neuronal damage. The resultant motor impairment, cognitive dysfunction, and emotional disturbances underscore the urgent need for effective therapeutic interventions. Recent advancements in biomaterials, particularly hydrogels, offer promising new avenues for stroke management. Hydrogels, composed of three-dimensional networks of hydrophilic polymers, are notable for their ability to absorb and retain substantial amounts of water. Commonly used polymers in hydrogel formulations include natural polymers like alginate, chitosan, and collagen, as well as synthetic polymers such as polyethylene glycol (PEG), polyvinyl alcohol (PVA), and polyacrylamide. Their customizable characteristics-such as their porosity, swelling behavior, mechanical strength, and degradation rates-make hydrogels ideal for biomedical applications, including drug delivery, cell delivery, tissue engineering, and the controlled release of therapeutic agents. This review comprehensively explores hydrogel-based approaches to both ischemic and hemorrhagic stroke therapy, elucidating the mechanisms by which hydrogels provide neuroprotection. It covers their application in drug delivery systems, their role in reducing inflammation and secondary injury, and their potential to support neurogenesis and angiogenesis. It also discusses current advancements in hydrogel technology and the significant challenges in translating these innovations from research into clinical practice. Additionally, it emphasizes the limited number of clinical trials utilizing hydrogel therapies for stroke and addresses the associated limitations and constraints, underscoring the need for further research in this field.
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Affiliation(s)
- Alexandra-Daniela Rotaru-Zăvăleanu
- Department of Epidemiology, University of Medicine and Pharmacy of Craiova, 2-4 Petru Rares Str., 200349 Craiova, Romania;
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania;
| | - Venera Cristina Dinescu
- Department of Health Promotion and Occupational Medicine, University of Medicine and Pharmacy of Craiova, 2–4 Petru Rares Str., 200349 Craiova, Romania
| | - Madalina Aldea
- Psychiatry Department, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania
| | - Andrei Gresita
- Experimental Research Centre for Normal and Pathological Aging, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania;
- Department of Biomedical Sciences, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, NY 115680, USA
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2
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Zhang XL, Zhang XG, Huang YR, Zheng YY, Ying PJ, Zhang XJ, Lu X, Wang YJ, Zheng GQ. Stem Cell-Based Therapy for Experimental Ischemic Stroke: A Preclinical Systematic Review. Front Cell Neurosci 2021; 15:628908. [PMID: 33935650 PMCID: PMC8079818 DOI: 10.3389/fncel.2021.628908] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Accepted: 02/24/2021] [Indexed: 12/21/2022] Open
Abstract
Stem cell transplantation offers promise in the treatment of ischemic stroke. Here we utilized systematic review, meta-analysis, and meta-regression to study the biological effect of stem cell treatments in animal models of ischemic stroke. A total of 98 eligible publications were included by searching PubMed, EMBASE, and Web of Science from inception to August 1, 2020. There are about 141 comparisons, involving 5,200 animals, that examined the effect of stem cell transplantation on neurological function and infarct volume as primary outcome measures in animal models for stroke. Stem cell-based therapy can improve both neurological function (effect size, −3.37; 95% confidence interval, −3.83 to −2.90) and infarct volume (effect size, −11.37; 95% confidence interval, −12.89 to −9.85) compared with controls. These results suggest that stem cell therapy could improve neurological function deficits and infarct volume, exerting potential neuroprotective effect for experimental ischemic stroke, but further clinical studies are still needed.
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Affiliation(s)
- Xi-Le Zhang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiao-Guang Zhang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yan-Ran Huang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yan-Yan Zheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Peng-Jie Ying
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiao-Jie Zhang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xiao Lu
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yi-Jing Wang
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Guo-Qing Zheng
- Department of Neurology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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3
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Zhao XY, Hu SY, Yang JL, Chen XM, Huang XL, Tang LJ, Gu L, Su L. A 3' Untranslated Region Polymorphism of CTNNB1 (Rs2953) Alters MiR-3161 Binding and Affects the Risk of Ischemic Stroke and Coronary Artery Disease in Chinese Han Population. Eur Neurol 2021; 84:85-95. [PMID: 33789307 DOI: 10.1159/000514543] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 12/31/2020] [Indexed: 11/19/2022]
Abstract
BACKGROUND CTNNB1 is reported to be related to the pathological process of ischemic stroke (IS) and coronary artery disease (CAD). Polymorphism located in the 3' untranslated region (3'UTR) of a gene might affect gene expression by modifying binding sites for microRNAs (miRNAs). This study aimed to analyze the association between polymorphism rs2953, which locates in the 3'UTR of CTNNB1, and the risk of IS and CAD. METHODS The CTNNB1 messenger RNA (mRNA) expression level in peripheral venous blood was measured. In total, 533 patients with IS, 500 patients with CAD, and 531 healthy individuals were genotyped by Sequenom Mass-Array technology. The binding of miR-3161 to CTNNB1 was determined by dual-luciferase reporter assay. RESULTS The CTNNB1 mRNA expression level for the IS group was significantly lower than that for the control group. Rs2953 was significantly associated with both IS risk and CAD risk. Significant association was also found between polymorphism rs2953 and many conventional factors, such as serum lipid level, blood coagulation markers, blood glucose level, and homocysteine level in patients. Rs2953 T allele introduced a binding site to miRNA-3161 and thus decreased luciferase activity. CONCLUSION Polymorphism rs2953 is associated with the risk of both IS and CAD. Moreover, polymorphism rs2953 (T) introduces a binding site to miRNA-3161 and thus decreases luciferase activity in cell lines.
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Affiliation(s)
- Xin-Yi Zhao
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Shu-Yan Hu
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Jia-Lei Yang
- School of Public Health, Guangxi Medical University, Nanning, China
| | - Xing-Mei Chen
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Xian-Li Huang
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Lue-Jun Tang
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Lian Gu
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Li Su
- School of Public Health, Guangxi Medical University, Nanning, China.,Guangxi Colleges and Universities Key Laboratory of Prevention and Control of Highly Prevalent Diseases, Nanning, China
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4
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Rey F, Barzaghini B, Nardini A, Bordoni M, Zuccotti GV, Cereda C, Raimondi MT, Carelli S. Advances in Tissue Engineering and Innovative Fabrication Techniques for 3-D-Structures: Translational Applications in Neurodegenerative Diseases. Cells 2020; 9:cells9071636. [PMID: 32646008 PMCID: PMC7407518 DOI: 10.3390/cells9071636] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 07/01/2020] [Accepted: 07/06/2020] [Indexed: 12/11/2022] Open
Abstract
In the field of regenerative medicine applied to neurodegenerative diseases, one of the most important challenges is the obtainment of innovative scaffolds aimed at improving the development of new frontiers in stem-cell therapy. In recent years, additive manufacturing techniques have gained more and more relevance proving the great potential of the fabrication of precision 3-D scaffolds. In this review, recent advances in additive manufacturing techniques are presented and discussed, with an overview on stimulus-triggered approaches, such as 3-D Printing and laser-based techniques, and deposition-based approaches. Innovative 3-D bioprinting techniques, which allow the production of cell/molecule-laden scaffolds, are becoming a promising frontier in disease modelling and therapy. In this context, the specific biomaterial, stiffness, precise geometrical patterns, and structural properties are to be considered of great relevance for their subsequent translational applications. Moreover, this work reports numerous recent advances in neural diseases modelling and specifically focuses on pre-clinical and clinical translation for scaffolding technology in multiple neurodegenerative diseases.
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Affiliation(s)
- Federica Rey
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, Via Grassi 74, 20157 Milan, Italy; (F.R.); (G.V.Z.)
- Pediatric Clinical Research Center Fondazione “Romeo ed Enrica Invernizzi”, University of Milano, Via Grassi 74, 20157 Milano, Italy
| | - Bianca Barzaghini
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy; (B.B.); (A.N.)
| | - Alessandra Nardini
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy; (B.B.); (A.N.)
| | - Matteo Bordoni
- Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative, Università degli Studi di Milano, Via Balzaretti 9, 20133 Milano, Italy;
| | - Gian Vincenzo Zuccotti
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, Via Grassi 74, 20157 Milan, Italy; (F.R.); (G.V.Z.)
- Pediatric Clinical Research Center Fondazione “Romeo ed Enrica Invernizzi”, University of Milano, Via Grassi 74, 20157 Milano, Italy
| | - Cristina Cereda
- Genomic and post-Genomic Center, IRCCS Mondino Foundation, Via Mondino 2, 27100 Pavia, Italy;
| | - Manuela Teresa Raimondi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy; (B.B.); (A.N.)
- Correspondence: (M.T.R.); (S.C.); Tel.: +390-223-994-306 (M.T.R.); +390-250-319-825 (S.C.)
| | - Stephana Carelli
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, Via Grassi 74, 20157 Milan, Italy; (F.R.); (G.V.Z.)
- Pediatric Clinical Research Center Fondazione “Romeo ed Enrica Invernizzi”, University of Milano, Via Grassi 74, 20157 Milano, Italy
- Correspondence: (M.T.R.); (S.C.); Tel.: +390-223-994-306 (M.T.R.); +390-250-319-825 (S.C.)
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Bacigaluppi M, Sferruzza G, Butti E, Ottoboni L, Martino G. Endogenous neural precursor cells in health and disease. Brain Res 2019; 1730:146619. [PMID: 31874148 DOI: 10.1016/j.brainres.2019.146619] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 11/25/2019] [Accepted: 12/19/2019] [Indexed: 12/15/2022]
Abstract
Neurogenesis persists in the adult brain of mammals in the subventricular zone (SVZ) of the lateral ventricles and in the subgranular zone (SGZ) of the dentate gyrus (DG). The complex interactions between intrinsic and extrinsic signals provided by cells in the niche but also from distant sources regulate the fate of neural stem/progenitor cells (NPCs) in these sites. This fine regulation is perturbed in aging and in pathological conditions leading to a different NPC behavior, tailored to the specific physio-pathological features. Indeed, NPCs exert in physiological and pathological conditions important neurogenic and non-neurogenic regulatory functions and participate in maintaining and protecting brain tissue homeostasis. In this review, we discuss intrinsic and extrinsic signals that regulate NPC activation and NPC functional role in various homeostatic and non-homeostatic conditions.
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Affiliation(s)
- Marco Bacigaluppi
- Neuroimmunology Unit and Department of Neurology, Institute of Experimental Neurology, San Raffaele Hospital and Università Vita- Salute San Raffaele, Via Olgettina 60, 20132 Milano, Italy.
| | - Giacomo Sferruzza
- Neuroimmunology Unit and Department of Neurology, Institute of Experimental Neurology, San Raffaele Hospital and Università Vita- Salute San Raffaele, Via Olgettina 60, 20132 Milano, Italy
| | - Erica Butti
- Neuroimmunology Unit and Department of Neurology, Institute of Experimental Neurology, San Raffaele Hospital and Università Vita- Salute San Raffaele, Via Olgettina 60, 20132 Milano, Italy
| | - Linda Ottoboni
- Neuroimmunology Unit and Department of Neurology, Institute of Experimental Neurology, San Raffaele Hospital and Università Vita- Salute San Raffaele, Via Olgettina 60, 20132 Milano, Italy
| | - Gianvito Martino
- Neuroimmunology Unit and Department of Neurology, Institute of Experimental Neurology, San Raffaele Hospital and Università Vita- Salute San Raffaele, Via Olgettina 60, 20132 Milano, Italy
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6
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Bieber M, Gronewold J, Scharf AC, Schuhmann MK, Langhauser F, Hopp S, Mencl S, Geuss E, Leinweber J, Guthmann J, Doeppner TR, Kleinschnitz C, Stoll G, Kraft P, Hermann DM. Validity and Reliability of Neurological Scores in Mice Exposed to Middle Cerebral Artery Occlusion. Stroke 2019; 50:2875-2882. [PMID: 31412755 DOI: 10.1161/strokeaha.119.026652] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Background and Purpose- The selection of appropriate neurological scores and tests is crucial for the evaluation of stroke consequences. The validity and reliability of neurological deficit scores and tests has repeatedly been questioned in ischemic stroke models in the past. Methods- In 198 male mice exposed to transient intraluminal middle cerebral artery occlusion, we examined the validity and reliability of 11 neurological scores (Bederson score 0-3, Bederson score 0-4, Bederson score 0-5, modified neurological severity [0-14], subjective overall impression [0-10], or simple neurological tests: grip test, latency to move body length test, pole test, wire hanging test, negative geotaxis test, and elevated body swing test) in the acute stroke phase, that is, after 24 hours. Combinations of neurological scores or tests for predicting infarct volume were statistically analyzed. Results- Infarct volume was left skewed (median [Q1-Q3], 78.4 [54.8-101.3] mm3). Among all tests, the Bederson (0-5; r=0.63, P<0.001), modified neurological severity (r=0.80, P<0.001), and subjective overall impression (r=-0.63, P<0.001) scores had the highest test validities, using infarct volume as external reference. Subjective overall impression had the best agreement between 5 raters (Kendall W=0.11, P<0.001). The Bederson (0-5) score discriminated infarct volume in mice with small (≤50 mm3; r=0.33, P=0.027) and large (>50 mm3; r=0.48, P<0.001) brain infarcts, all other tests only in mice with large infarcts. Combining subjective overall impression with Bederson (0-5) score explained 47.6% of the variance of infarct volume. Conclusions- Despite their simplicity, the Bederson (0-5) score, modified neurological severity score, and subjective overall impression have reasonable validity and reliability in the acute stroke phase. The Bederson (0-5) score equally distinguishes infarct volume in small and large infarcts. Visual Overview- An online visual overview is available for this article.
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Affiliation(s)
- Michael Bieber
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Janine Gronewold
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
| | - Anne-Carina Scharf
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
| | - Michael K Schuhmann
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Friederike Langhauser
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany.,Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
| | - Sarah Hopp
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany.,Neurosurgery (S.H.), University Hospital Würzburg, Germany
| | - Stine Mencl
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany.,Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
| | - Eva Geuss
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Jonas Leinweber
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Josua Guthmann
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Thorsten R Doeppner
- Department of Neurology, University of Göttingen Medical School, Germany (T.R.D.)
| | - Christoph Kleinschnitz
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany.,Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
| | - Guido Stoll
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany
| | - Peter Kraft
- From the Departments of Neurology (M.B., M.K.S., F.L., S.M., E.G., J.L., J. Guthmann, C.K., G.S., P.K.), University Hospital Würzburg, Germany.,Department of Neurology, Klinikum Main-Spessart, Lohr, Germany (P.K.)
| | - Dirk M Hermann
- Department of Neurology, University Hospital Essen, University of Duisburg-Essen, Germany (J. Gronewold, A.-C.S., F.L., S.M., C.K., D.M.H.)
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7
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Hong A, Aguilar MI, Del Borgo MP, Sobey CG, Broughton BRS, Forsythe JS. Self-assembling injectable peptide hydrogels for emerging treatment of ischemic stroke. J Mater Chem B 2019. [DOI: 10.1039/c9tb00257j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ischaemic stroke remains one of the leading causes of death and disability worldwide, without any long-term effective treatments targeted at regeneration. This has led to developments of novel, biomaterial-based strategies using self-assembling peptide hydrogels.
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Affiliation(s)
- Andrew Hong
- Department of Materials Science and Engineering
- Monash Institute of Medical Engineering
- Monash University
- Clayton
- Australia
| | - Marie-Isabel Aguilar
- Department of Biochemistry & Molecular Biology
- Monash Biomedicine Discovery Institute
- Monash University
- Clayton
- Australia
| | - Mark P. Del Borgo
- Department of Biochemistry & Molecular Biology
- Monash Biomedicine Discovery Institute
- Monash University
- Clayton
- Australia
| | - Christopher G. Sobey
- Vascular Biology and Immunopharmacology Group
- Department of Physiology
- Anatomy and Microbiology
- La Trobe University
- Bundoora
| | - Brad R. S. Broughton
- Cardiovascular & Pulmonary Pharmacology Group
- Biomedicine Discovery Institute and Department of Pharmacology
- Monash University
- Clayton
- Australia
| | - John S. Forsythe
- Department of Materials Science and Engineering
- Monash Institute of Medical Engineering
- Monash University
- Clayton
- Australia
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8
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Akhoundzadeh K, Vakili A, Sameni HR. Bone Marrow Stromal Cells With Exercise and Thyroid Hormone Effect on Post-Stroke Injuries in Middle-aged Mice. Basic Clin Neurosci 2019; 10:73-84. [PMID: 31031895 PMCID: PMC6484183 DOI: 10.32598/bcn.9.10.355] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 01/25/2018] [Accepted: 06/12/2018] [Indexed: 12/22/2022] Open
Abstract
Introduction: Based on our previous findings, the treatment of stem cells alone or in combination with thyroid hormone (T3) and mild exercise could effectively reduce the risk of stroke damage in young mice. However, it is unclear whether this treatment is effective in aged or middle-aged mice. Therefore, this study designed to assess whether combination of Bone Marrow Stromal Cells (BMSCs) with T3 and mild treadmill exercise can decrease stroke complications in middle-aged mice. Methods: Under laser Doppler flowmetry monitoring, transient focal cerebral ischemia was produced by right Middle Cerebral Artery Occlusion (MCAO) for 45 min followed by 7 days of reperfusion in middle-aged mice. BMSCs (1×105) were injected into the right cerebral ventricle 24 h after MCAO, followed by daily injection of triiodothyronine (T3) (20 μg/100 g/d SC) and 6 days of running on a treadmill. Infarct size, neurological function, apoptotic cells and expression levels of Glial Fibrillary Acidic Protein (GFAP) were evaluated 1 week after stroke. Results: Post-ischemic treatment with BMSCs or with T3 and or mild treadmill exercise alone or in combination did not significantly change neurological function, infarct size, and apoptotic cells 7 days after ischemia in middle-aged mice (P>0.05). However, the expression of GFAP significantly reduced after treatment with BMSCs and or T3 (P<0.01). Conclusion: Our findings indicate that post-stroke treatment BMSCs with exercise and thyroid hormone cannot reverse neuronal damage 7 days after ischemia in middle-aged mice. These findings further support that age is an important variable in stroke treatment
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Affiliation(s)
- Kobra Akhoundzadeh
- Physiology Research Center, Semnan University of Medical Sciences, Semnan, Iran.,Department of Nursing, School of Nursing & Midwifery, Qom University of Medical Sciences, Qom, Iran
| | - Abedin Vakili
- Physiology Research Center, Semnan University of Medical Sciences, Semnan, Iran
| | - Hamid Reza Sameni
- Nervous System Stems Cells Research Center, Department of Anatomical Sciences, School of Medicine, Semnan University of Medical Sciences, Semnan, Iran
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9
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Sanchez-Rojas L, Gómez-Pinedo U, Benito-Martin MS, León-Espinosa G, Rascón-Ramirez F, Lendinez C, Martínez-Ramos C, Matías-Guiu J, Pradas MM, Barcia JA. Biohybrids of scaffolding hyaluronic acid biomaterials plus adipose stem cells home local neural stem and endothelial cells: Implications for reconstruction of brain lesions after stroke. J Biomed Mater Res B Appl Biomater 2018; 107:1598-1606. [PMID: 30307108 DOI: 10.1002/jbm.b.34252] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 08/23/2018] [Accepted: 09/08/2018] [Indexed: 12/25/2022]
Abstract
Endogenous neurogenesis in stroke is insufficient to replace the lost brain tissue, largely due to the lack of a proper biological structure to let new cells dwell in the damaged area. We hypothesized that scaffolds made of hyaluronic acid (HA) biomaterials (BM) could provide a suitable environment to home not only new neurons, but also vessels, glia and neurofilaments. Further, the addition of exogenous cells, such as adipose stem cells (ASC) could increase this effect. Athymic mice were randomly assigned to a one of four group: stroke alone, stroke and implantation of BM, stroke and implantation of BM with ASC, and sham operated animals. Stroke model consisted of middle cerebral artery thrombosis with FeCl3 . After 30 days, animals underwent magnetic resonance imaging (MRI) and were sacrificed. Proliferation and neurogenesis increased at the subventricular zone ipsilateral to the ventricle and neuroblasts, glial, and endothelial cells forming capillaries were seen inside the BM. Those effects increased when ASC were added, while there was less inflammatory reaction. Three-dimensional scaffolds made of HA are able to home newly formed neurons, glia, and endothelial cells permitting the growth neurofilaments inside them. The addition of ASC increase these effects and decrease the inflammatory reaction to the implant. © 2018 Wiley Periodicals, Inc. J Biomed Mater Res Part B: Appl Biomater 107B: 1598-1606, 2019.
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Affiliation(s)
- Leyre Sanchez-Rojas
- Laboratorio de Medicina Regenerativa, Instituto de Neurociencias, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Madrid, Spain
| | - Ulises Gómez-Pinedo
- Laboratorio de Medicina Regenerativa, Instituto de Neurociencias, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Madrid, Spain
| | - María Soledad Benito-Martin
- Laboratorio de Medicina Regenerativa, Instituto de Neurociencias, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Madrid, Spain
| | - Gonzalo León-Espinosa
- Laboratorio de Medicina Regenerativa, Instituto de Neurociencias, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Madrid, Spain.,Instituto Cajal, CSIC; Laboratorio Cajal de Circuitos Corticales (CTB), Universidad Politécnica de Madrid; Facultad de Farmacia, Universidad San Pablo CEU, Madrid, Spain
| | - Fernando Rascón-Ramirez
- Servicio de Neurocirugía, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - Cristina Lendinez
- Laboratorio de Medicina Regenerativa, Instituto de Neurociencias, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Madrid, Spain
| | - Cristina Martínez-Ramos
- Center for Biomaterials and Tissue Engineering, Universitat Politécnica de Valencia, C. de Vera s/n, Valencia, Spain
| | - Jorge Matías-Guiu
- Servicio de Neurología. Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
| | - Manuel Monleón Pradas
- Center for Biomaterials and Tissue Engineering, Universitat Politécnica de Valencia, C. de Vera s/n, Valencia, Spain.,Networking Research Center on Bioengineering, Biomaterials and Nanomedicine, Valencia, Spain
| | - Juan A Barcia
- Servicio de Neurocirugía, Instituto de Investigación Sanitaria San Carlos (IdISSC), Hospital Clínico San Carlos, Universidad Complutense de Madrid, Madrid, Spain
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10
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Fernández-García L, Pérez-Rigueiro J, Martinez-Murillo R, Panetsos F, Ramos M, Guinea GV, González-Nieto D. Cortical Reshaping and Functional Recovery Induced by Silk Fibroin Hydrogels-Encapsulated Stem Cells Implanted in Stroke Animals. Front Cell Neurosci 2018; 12:296. [PMID: 30237762 PMCID: PMC6135908 DOI: 10.3389/fncel.2018.00296] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2018] [Accepted: 08/16/2018] [Indexed: 01/07/2023] Open
Abstract
The restitution of damaged circuitry and functional remodeling of peri-injured areas constitute two main mechanisms for sustaining recovery of the brain after stroke. In this study, a silk fibroin-based biomaterial efficiently supports the survival of intracerebrally implanted mesenchymal stem cells (mSCs) and increases functional outcomes over time in a model of cortical stroke that affects the forepaw sensory and motor representations. We show that the functional mechanisms underlying recovery are related to a substantial preservation of cortical tissue in the first days after mSCs-polymer implantation, followed by delayed cortical plasticity that involved a progressive functional disconnection between the forepaw sensory (FLs1) and caudal motor (cFLm1) representations and an emergent sensory activity in peri-lesional areas belonging to cFLm1. Our results provide evidence that mSCs integrated into silk fibroin hydrogels attenuate the cerebral damage after brain infarction inducing a delayed cortical plasticity in the peri-lesional tissue, this later a functional change described during spontaneous or training rehabilitation-induced recovery. This study shows that brain remapping and sustained recovery were experimentally favored using a stem cell-biomaterial-based approach.
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Affiliation(s)
| | - José Pérez-Rigueiro
- Center for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain,Departamento de Ciencia de Materiales, Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos, Universidad Politécnica de Madrid, Madrid, Spain,Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Madrid, Spain
| | - Ricardo Martinez-Murillo
- Department of Translational Neuroscience, Instituto Cajal – Consejo Superior de Investigaciones Científicas, Madrid, Spain
| | - Fivos Panetsos
- Neurocomputing and Neurorobotics Research Group, Faculty of Biology and Faculty of Optics, Universidad Complutense de Madrid, Madrid, Spain,Neural Plasticity Research Group, Health Research Institute of the Hospital Clínico San Carlos, Madrid, Spain
| | - Milagros Ramos
- Center for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain,Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Madrid, Spain,Departamento de Tecnología Fotónica y Bioingeniería, Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, Madrid, Spain
| | - Gustavo V. Guinea
- Center for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain,Departamento de Ciencia de Materiales, Escuela Técnica Superior de Ingenieros de Caminos, Canales y Puertos, Universidad Politécnica de Madrid, Madrid, Spain,Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Madrid, Spain
| | - Daniel González-Nieto
- Center for Biomedical Technology, Universidad Politécnica de Madrid, Madrid, Spain,Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine, Madrid, Spain,Departamento de Tecnología Fotónica y Bioingeniería, Escuela Técnica Superior de Ingenieros de Telecomunicación, Universidad Politécnica de Madrid, Madrid, Spain,*Correspondence: Daniel González-Nieto,
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11
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Boese AC, Le QSE, Pham D, Hamblin MH, Lee JP. Neural stem cell therapy for subacute and chronic ischemic stroke. Stem Cell Res Ther 2018; 9:154. [PMID: 29895321 PMCID: PMC5998588 DOI: 10.1186/s13287-018-0913-2] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Neural stem cells (NSCs) play vital roles in brain homeostasis and exhibit a broad repertoire of potentially therapeutic actions following neurovascular injury. One such injury is stroke, a worldwide leading cause of death and disability. Clinically, extensive injury from ischemic stroke results from ischemia-reperfusion (IR), which is accompanied by inflammation, blood-brain barrier (BBB) damage, neural cell death, and extensive tissue loss. Tissue plasminogen activator (tPA) is still the only US Food and Drug Administration-approved clot-lysing agent. Whereas the thrombolytic role of tPA within the vasculature is beneficial, the effects of tPA (in a non-thrombolytic role) within the brain parenchyma have been reported as harmful. Thus, new therapies are needed to reduce the deleterious side effects of tPA and quickly facilitate vascular repair following stroke. The Stroke Treatment Academic Industry Roundtable (STAIR) recommends that stroke therapies "focus on drugs/devices/treatments with multiple mechanisms of action and that target multiple pathways". Thus, based on multifactorial ischemic cascades in various stroke stages, effective stroke therapies need to focus on targeting and ameliorating early IR injury as well as facilitating angiogenesis, neurogenesis, and neurorestorative mechanisms following stroke. This review will discuss the preclinical perspectives of NSC transplantation as a promising treatment for neurovascular injury and will emphasize both the subacute and chronic phase of ischemic stroke.
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Affiliation(s)
- Austin C Boese
- Department of Physiology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Quan-Son Eric Le
- Department of Physiology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Dylan Pham
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Milton H Hamblin
- Department of Pharmacology, Tulane University School of Medicine, New Orleans, LA, 70112, USA
| | - Jean-Pyo Lee
- Department of Physiology, Tulane University School of Medicine, New Orleans, LA, 70112, USA. .,Center for Stem Cell Research and Regenerative Medicine, Tulane University School of Medicine, New Orleans, LA, 70112, USA.
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12
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Kokaia Z, Llorente IL, Carmichael ST. Customized Brain Cells for Stroke Patients Using Pluripotent Stem Cells. Stroke 2018; 49:1091-1098. [PMID: 29669871 DOI: 10.1161/strokeaha.117.018291] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 10/30/2017] [Accepted: 11/06/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Zaal Kokaia
- From the Laboratory of Stem Cells and Restorative Neurology, Lund Stem Cell Center, University Hospital, Sweden (Z.K.)
| | - Irene L Llorente
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA (I.L.L., S.T.C.)
| | - S Thomas Carmichael
- Department of Neurology, David Geffen School of Medicine, Los Angeles, CA (I.L.L., S.T.C.).
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13
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González-Nieto D, Fernández-García L, Pérez-Rigueiro J, Guinea GV, Panetsos F. Hydrogels-Assisted Cell Engraftment for Repairing the Stroke-Damaged Brain: Chimera or Reality. Polymers (Basel) 2018; 10:polym10020184. [PMID: 30966220 PMCID: PMC6415003 DOI: 10.3390/polym10020184] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 02/06/2018] [Accepted: 02/11/2018] [Indexed: 01/07/2023] Open
Abstract
The use of advanced biomaterials as a structural and functional support for stem cells-based therapeutic implants has boosted the development of tissue engineering applications in multiple clinical fields. In relation to neurological disorders, we are still far from the clinical reality of restoring normal brain function in neurodegenerative diseases and cerebrovascular disorders. Hydrogel polymers show unique mechanical stiffness properties in the range of living soft tissues such as nervous tissue. Furthermore, the use of these polymers drastically enhances the engraftment of stem cells as well as their capacity to produce and deliver neuroprotective and neuroregenerative factors in the host tissue. Along this article, we review past and current trends in experimental and translational research to understand the opportunities, benefits, and types of tentative hydrogel-based applications for the treatment of cerebral disorders. Although the use of hydrogels for brain disorders has been restricted to the experimental area, the current level of knowledge anticipates an intense development of this field to reach clinics in forthcoming years.
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Affiliation(s)
- Daniel González-Nieto
- Center for Biomedical Technology, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
- Departamento de Tecnología Fotónica y Bioingeniería, ETSI Telecomunicaciones, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain.
| | - Laura Fernández-García
- Center for Biomedical Technology, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
| | - José Pérez-Rigueiro
- Center for Biomedical Technology, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain.
- Departamento de Ciencia de Materiales, ETSI Caminos, Canales y Puertos, Universidad Politécnica de Madrid 28040 Madrid, Spain.
| | - Gustavo V Guinea
- Center for Biomedical Technology, Universidad Politécnica de Madrid, 28040 Madrid, Spain.
- Biomedical Research Networking Center in Bioengineering Biomaterials and Nanomedicine (CIBER-BBN), 28040 Madrid, Spain.
- Departamento de Ciencia de Materiales, ETSI Caminos, Canales y Puertos, Universidad Politécnica de Madrid 28040 Madrid, Spain.
| | - Fivos Panetsos
- Neurocomputing and Neurorobotics Research Group: Faculty of Biology and Faculty of Optics, Universidad Complutense de Madrid, 28040 Madrid, Spain.
- Instituto de Investigación Sanitaria, Hospital Clínico San Carlos Madrid, IdISSC, 28040 Madrid, Spain.
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14
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Tuo QZ, Lei P, Jackman KA, Li XL, Xiong H, Li XL, Liuyang ZY, Roisman L, Zhang ST, Ayton S, Wang Q, Crouch PJ, Ganio K, Wang XC, Pei L, Adlard PA, Lu YM, Cappai R, Wang JZ, Liu R, Bush AI. Tau-mediated iron export prevents ferroptotic damage after ischemic stroke. Mol Psychiatry 2017; 22:1520-1530. [PMID: 28886009 DOI: 10.1038/mp.2017.171] [Citation(s) in RCA: 451] [Impact Index Per Article: 64.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 06/20/2017] [Accepted: 07/06/2017] [Indexed: 02/05/2023]
Abstract
Functional failure of tau contributes to age-dependent, iron-mediated neurotoxicity, and as iron accumulates in ischemic stroke tissue, we hypothesized that tau failure may exaggerate ischemia-reperfusion-related toxicity. Indeed, unilateral, transient middle cerebral artery occlusion (MCAO) suppressed hemispheric tau and increased iron levels in young (3-month-old) mice and rats. Wild-type mice were protected by iron-targeted interventions: ceruloplasmin and amyloid precursor protein ectodomain, as well as ferroptosis inhibitors. At this age, tau-knockout mice did not express elevated brain iron and were protected against hemispheric reperfusion injury following MCAO, indicating that tau suppression may prevent ferroptosis. However, the accelerated age-dependent brain iron accumulation that occurs in tau-knockout mice at 12 months of age negated the protective benefit of tau suppression against MCAO-induced focal cerebral ischemia-reperfusion injury. The protective benefit of tau knockout was revived in older mice by iron-targeting interventions. These findings introduce tau-iron interaction as a pleiotropic modulator of ferroptosis and ischemic stroke outcome.
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Affiliation(s)
- Q-Z Tuo
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.,Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia.,Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - P Lei
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia.,Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - K A Jackman
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia
| | - X-L Li
- Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - H Xiong
- Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - X-L Li
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia.,Department of Neurology, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, China
| | - Z-Y Liuyang
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - L Roisman
- Department of Pathology, The University of Melbourne, Melbourne, VIC, Australia
| | - S-T Zhang
- Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - S Ayton
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Q Wang
- Department of Neurology and State Key Laboratory of Biotherapy, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Sichuan, China
| | - P J Crouch
- Department of Pathology, The University of Melbourne, Melbourne, VIC, Australia
| | - K Ganio
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia
| | - X-C Wang
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - L Pei
- Department of Neurobiology, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Hubei, China
| | - P A Adlard
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia
| | - Y-M Lu
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - R Cappai
- Department of Pathology, The University of Melbourne, Melbourne, VIC, Australia
| | - J-Z Wang
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - R Liu
- Department of Pathophysiology, Key Laboratory of Ministry of Education for Neurological Disorders, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - A I Bush
- Oxidation Biology Unit, Florey Institute of Neuroscience and Mental Health, The University of Melbourne, Melbourne, VIC, Australia
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15
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Optogenetic Inhibition of Striatal Neuronal Activity Improves the Survival of Transplanted Neural Stem Cells and Neurological Outcomes after Ischemic Stroke in Mice. Stem Cells Int 2017; 2017:4364302. [PMID: 29104593 PMCID: PMC5618753 DOI: 10.1155/2017/4364302] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 06/25/2017] [Accepted: 07/18/2017] [Indexed: 01/19/2023] Open
Abstract
Neural stem cell (NSC) transplantation is a promising treatment to improve the recovery after brain ischemia. However, how the survival, proliferation, migration, and differentiation of implanted NSC are influenced by endogenous neuronal activity remains unclear. In this work, we used optogenetic techniques to control the activity of striatal neurons and investigated how their activity affected the survival and migration of transplanted NSCs and overall neurological outcome after ischemic stroke. NSCs cultured from transgenic mice expressing fluorescent protein were transplanted into the peri-infarct region of the striatum after transient middle cerebral artery occlusion (tMCAO) surgery. The striatal neurons were excited or inhibited for 15 minutes daily via implanted optical fiber after tMCAO. The results revealed that mice which received NSC transplantation and optogenetic inhibition had smaller brain infarct volume and increased NSC migration compared to the NSC alone or PBS group (p < 0.05). In contrast, mice which received NSC transplantation and optogenetic excitation showed no difference in infarct volume and neurological behavior improvement compared to the PBS control group. In vitro experiments further revealed that the conditioned media from excited GABAergic neurons reduced NSC viability through paracrine mechanisms. Conclusion. Optogenetic inhibition of striatal neuronal activity further improved neurological recovery after NSC transplantation at the subacute phase after brain ischemia.
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16
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Caprnda M, Kubatka P, Gazdikova K, Gasparova I, Valentova V, Stollarova N, La Rocca G, Kobyliak N, Dragasek J, Mozos I, Prosecky R, Siniscalco D, Büsselberg D, Rodrigo L, Kruzliak P. Immunomodulatory effects of stem cells: Therapeutic option for neurodegenerative disorders. Biomed Pharmacother 2017; 91:60-69. [PMID: 28448871 DOI: 10.1016/j.biopha.2017.04.034] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 04/04/2017] [Accepted: 04/10/2017] [Indexed: 12/14/2022] Open
Abstract
Stem cells have the capability of self-renewal and can differentiate into different cell types that might be used in regenerative medicine. Neurodegenerative diseases such as Alzheimer's disease (AD), Parkinson's disease (PD), multiple sclerosis (MS), and amyotrophic lateral sclerosis (ALS) currently lack effective treatments. Although stem cell therapy is still on the way from bench to bedside, we consider that it might provide new hope for patients suffering with neurodegenerative diseases. In this article, we will give an overview of recent studies on the potential therapeutic use of mesenchymal stem cells (MSCs), neural stem cells (NSCs), embryonic stem cells (ESCs), induced pluripotent stem cells (iPSCs), and perinatal stem cells to neurodegenerative disorders and we will describe their immunomodulatory mechanisms of action in specific therapeutic modalities.
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Affiliation(s)
- Martin Caprnda
- 1st Department of Internal Medicine, Faculty of Medicine, Comenius University and University Hospital, Bratislava, Slovakia
| | - Peter Kubatka
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia; Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Katarina Gazdikova
- Department of Nutrition, Faculty of Nursing and Professional Health Studies, Slovak Medical University, Bratislava, Slovakia; Department of General Medicine, Faculty of Medicine, Slovak Medical University, Bratislava, Slovakia.
| | - Iveta Gasparova
- Institute of Biology, Genetics and Medical Genetics, Faculty of Medicine, Comenius University and University Hospital, Bratislava, Slovakia
| | - Vanda Valentova
- Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University, Martin, Slovakia
| | - Nadezda Stollarova
- Catholic University in Ružomberok, Faculty of Pedagogy, Department of Biology and Ecology, Ružomberok, Slovakia
| | - Giampiero La Rocca
- Human Anatomy Section, Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo and Euro-Mediterranean Institute of Science and Technology (IEMEST), Palermo, Italy
| | - Nazarii Kobyliak
- Endocrinology Department, Bogomolets National Medical University, Kyiv, Ukraine
| | - Jozef Dragasek
- 1st Department of Psychiatry, Faculty of Medicine, Pavol Jozef Safarik University and University Hospital, Kosice, Slovakia
| | - Ioana Mozos
- Department of Functional Sciences, Discipline of Pathophysiology, "Victor Babes" University of Medicine and Pharmacy, Timisoara, Romania
| | - Robert Prosecky
- Department of Internal Medicine, Merciful Brotherś Hospital, Brno, Czech Republic
| | - Dario Siniscalco
- Department of Experimental Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Dietrich Büsselberg
- Weill Cornell Medical College in Qatar, Qatar Foundation - Education City, Doha, Qatar
| | - Luis Rodrigo
- University of Oviedo, Central University Hospital of Asturias (HUCA), Oviedo, Spain
| | - Peter Kruzliak
- Department of Chemical Drugs, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic; 2nd Department of Surgery, Faculty of Medicine,St. Annés University Hospital, Brno, Czech Republic.
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17
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Sinden JD, Hicks C, Stroemer P, Vishnubhatla I, Corteling R. Human Neural Stem Cell Therapy for Chronic Ischemic Stroke: Charting Progress from Laboratory to Patients. Stem Cells Dev 2017; 26:933-947. [PMID: 28446071 PMCID: PMC5510676 DOI: 10.1089/scd.2017.0009] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Chronic disability after stroke represents a major unmet neurologic need. ReNeuron's development of a human neural stem cell (hNSC) therapy for chronic disability after stroke is progressing through early clinical studies. A Phase I trial has recently been published, showing no safety concerns and some promising signs of efficacy. A single-arm Phase II multicenter trial in patients with stable upper-limb paresis has recently completed recruitment. The hNSCs administrated are from a manufactured, conditionally immortalized hNSC line (ReNeuron's CTX0E03 or CTX), generated with c-mycERTAM technology. This technology has enabled CTX to be manufactured at large scale under cGMP conditions, ensuring sufficient supply to meets the demands of research, clinical development, and, eventually, the market. CTX has key pro-angiogenic, pro-neurogenic, and immunomodulatory characteristics that are mechanistically important in functional recovery poststroke. This review covers the progress of CTX cell therapy from its laboratory origins to the clinic, concluding with a look into the late stage clinical future.
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18
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Zhang H, Sun F, Wang J, Xie L, Yang C, Pan M, Shao B, Yang GY, Yang SH, ZhuGe Q, Jin K. Combining Injectable Plasma Scaffold with Mesenchymal Stem/Stromal Cells for Repairing Infarct Cavity after Ischemic Stroke. Aging Dis 2017; 8:203-214. [PMID: 28400986 PMCID: PMC5362179 DOI: 10.14336/ad.2017.0305] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2017] [Accepted: 03/05/2017] [Indexed: 01/19/2023] Open
Abstract
Stroke survivors are typically left with structural brain damage and associated functional impairment in the chronic phase of injury, for which few therapeutic options exist. We reported previously that transplantation of human embryonic stem cell (hESC)-derived neural stem cells together with Matrigel scaffolding into the brains of rats after focal ischemia reduced infarct volume and improved neurobehavioral performance. Matrigel is a gelatinous protein mixture extracted from mouse sarcoma cells, thus would not be approved for use as a scaffold clinically. In this study, we generated a gel-like scaffold from plasma that was controlled by changing the concentration of CaCl2. In vitro study confirmed that 10-20 mM CaCl2 and 10-40% plasma did not affect the viability and proliferation of human and rat bone marrow mesenchymal stem/stromal cells (BMSCs) and neural stem cells (NSCs). We transplanted plasma scaffold in combination of BMSCs into the cystic cavity after focal cerebral ischemia, and found that the atrophy volume was dramatically reduced and motor function was significantly improved in the group transplanted with scaffold/BMSCs compared with the groups treated with vehicle, scaffold or BMSCs only. Our data suggest that plasma-derived scaffold in combination of BMSCs is feasible for tissue engineering approach for the stroke treatment.
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Affiliation(s)
- Hongxia Zhang
- 1Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China; 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Fen Sun
- 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Jixian Wang
- 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA; 3Department of Rehabilitation, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Luokun Xie
- 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Chenqi Yang
- 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Mengxiong Pan
- 1Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China; 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Bei Shao
- 1Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Guo-Yuan Yang
- 4Med-x Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Shao-Hua Yang
- 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
| | - Qichuan ZhuGe
- 1Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China
| | - Kunlin Jin
- 1Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou, China; 2Institute for Healthy Aging, University of North Texas Health Science Center at Fort Worth, TX 76107, USA
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19
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Modification of Bone Marrow Stem Cells for Homing and Survival During Cerebral Ischemia. BONE MARROW STEM CELL THERAPY FOR STROKE 2017. [PMCID: PMC7121342 DOI: 10.1007/978-981-10-2929-5_9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Over the last decade, major advances have been made in stem cell-based therapy for ischemic stroke, which is one of the leading causes of death and disability worldwide. Various stem cells from bone marrow, such as mesenchymal stem cells (MSCs), hematopoietic stem cells (HSCs), and endothelial progenitor cells (EPCs), have shown therapeutic potential for stroke. Concomitant with these exciting findings are some fundamental bottlenecks that must be overcome in order to accelerate their clinical translation, including the low survival and engraftment caused by the harsh microenvironment after transplantation. In this chapter, strategies such as gene modification, hypoxia/growth factor preconditioning, and biomaterial-based methods to improve cell survival and homing are summarized, and the potential strategies for their future application are also discussed.
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20
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Tang Y, Wang L, Wang J, Lin X, Wang Y, Jin K, Yang GY. Ischemia-induced Angiogenesis is Attenuated in Aged Rats. Aging Dis 2015; 7:326-35. [PMID: 27493831 DOI: 10.14336/ad.2015.1125] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2015] [Accepted: 11/25/2015] [Indexed: 11/01/2022] Open
Abstract
To study whether focal angiogenesis is induced in aged rodents after permanent distal middle cerebral artery occlusion (MCAO), young adult (3-month-old) and aged (24-month-old) Fisher 344 rats underwent MCAO and sacrificed up to two months after MCAO. Immunohistochemistry and synchrotron radiation microangiography were performed to examine the number of newly formed blood vessels in both young adult and aged rats post-ischemia. We found that the number of capillaries and small arteries in aged brain was the same as young adult brain. In addition, we found that after MCAO, the number of blood vessels in the peri-infarct region of ipsilateral hemisphere in aged ischemic rats was significantly increased compared to the aged sham rats (p<0.05). We also confirmed that ischemia-induced focal angiogenesis occurred in young adult rat brain while the blood vessel density in young adult ischemic brain was significantly higher than that in the aged ischemic brain (p<0.05). Our data suggests that focal angiogenesis in aged rat brain can be induced in response to ischemic brain injury, and that aging impedes brain repairing and remodeling after ischemic stroke, possible due to the limited response of angiogenesis.
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Affiliation(s)
- Yaohui Tang
- 1Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China; 2Department of Orthopaedic surgery, School of medicine, Stanford University, CA 94305, USA
| | - Liuqing Wang
- 3Department of Neurology, the First Affiliated Hospital, Wenzhou Medical University, Zhejiang, 325000, China
| | - Jixian Wang
- 5Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai 200030, China
| | - Xiaojie Lin
- 1Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Yongting Wang
- 1Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Kunlin Jin
- 3Department of Neurology, the First Affiliated Hospital, Wenzhou Medical University, Zhejiang, 325000, China; 4Department of Pharmacology and Neuroscience, University of North Texas Health Science Center at Fort Worth, TX 76203, USA
| | - Guo-Yuan Yang
- 1Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai 200030, China; 5Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University Shanghai 200030, China
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21
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Cohen LK, Jensen MB. Scaffolds for Intracerebral Grafting of Neural Progenitor Cells After Cerebral Infarction: A Systematic Review. ARCHIVES OF NEUROSCIENCE 2015; 2:e25364. [PMID: 26835472 PMCID: PMC4731043 DOI: 10.5812/archneurosci.25364] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Context Intracerebral grafting of neural progenitor cells is a promising potential treatment to improve recovery after stroke, but the structural disruption and cavitation of brain tissue that occurs creates an unfavorable environment for graft cell survival. To overcome this obstacle, scaffold materials have been used as extracellular matrix to provide structural support for the transplanted cells. Many materials could potentially be used as scaffolds for this application. Evidence Acquisition We performed a systematic review to determine the available evidence supporting specific scaffolds for neural progenitor cell grafting after stroke. Articles were identified with a MeSH search on PubMed. Relevant references and “related articles” of selected manuscripts were also reviewed. Full original articles published prior to May 2013 presenting unique experimental data describing intracerebral grafting of neural progenitor cells in a scaffold after cerebral infarction were included in our study. All selected articles were reviewed thoroughly by the authors for relevant data. Results We found reports of use of scaffolds composed of polyglycolic acid, poly [lactic-co-glycolic acid] particles (with and without VEGF), hyaluronan-heparin-collagen hydrogel, Matrigel, collagen and extracellular matrix derived from porcine brain and urinary bladder. While multiple beneficial effects were reported, the optimal scaffold is unclear as we found no direct comparisons. Conclusions We conclude that multiple scaffolds appear promising for neural progenitor cell grafting after stroke, but further research is needed to optimize this neurorestorative approach. Thus, we hope to provide a basic understanding of the state of scaffolds for neural progenitor cell grafting after stroke and to encourage further research. Based on the methods of the discussed studies, we propose a standardized set of outcomes that would best be used to evaluate and compare the effectiveness of a given scaffold.
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Affiliation(s)
- Laura K Cohen
- Johns Hopkins University School of Medicine, Baltimore, USA
| | - Matthew B Jensen
- Department of Neurology, University of Wisconsin, Madison, USA
- Corresponding author: Matthew B Jensen, Department of Neurology, University of Wisconsin, Madison, USA. Tel: +608-2654351, Fax: +608-2630412,
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Jendelová P, Kubinová Š, Sandvig I, Erceg S, Sandvig A, Syková E. Current developments in cell- and biomaterial-based approaches for stroke repair. Expert Opin Biol Ther 2015; 16:43-56. [DOI: 10.1517/14712598.2016.1094457] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
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23
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Ingberg E, Gudjonsdottir J, Theodorsson E, Theodorsson A, Ström JO. Elevated body swing test after focal cerebral ischemia in rodents: methodological considerations. BMC Neurosci 2015; 16:50. [PMID: 26242584 PMCID: PMC4525734 DOI: 10.1186/s12868-015-0189-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Accepted: 07/28/2015] [Indexed: 01/06/2023] Open
Abstract
Background The elevated body swing test (EBST) is a behavioral test used to evaluate experimental stroke in rodents. The basic idea is that when the animal is suspended vertically by the tail, it will swing its head laterally to the left or right depending on lesion side. In a previous study from our lab using the EBST after middle cerebral artery occlusion (MCAo), rats swung contralateral to the infarct day 1 post-MCAo, but ipsilateral day 3 post-MCAo. This shift was unexpected and prompted us to perform the present study. First, the literature was systematically reviewed to elucidate whether a similar shift had been noticed before, and if consensus existed regarding swing direction. Secondly, an experiment was conducted to systematically investigate the suggested behavior. Eighty-three adult male and female Sprague–Dawley rats were subjected to MCAo or sham surgery and the EBST was performed up to 7 days after the lesion. Results Both experimentally and through systematic literature review, the present study shows that the direction of biased swing activity in the EBST for rodents after cerebral ischemia can differ and even shift over time in some situations. The EBST curve for females was significantly different from that of males after the same occlusion time (p = 0.023). Conclusions This study highlights the importance of adequate reporting of behavioral tests for lateralization and it is concluded that the EBST cannot be recommended as a test for motor asymmetry after MCAo in rats.
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Affiliation(s)
- Edvin Ingberg
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Department of Clinical Chemistry, Faculty of Health Sciences, Center for Diagnostics, Linköping University, Region Östergötland, Linköping, Sweden.
| | - Johanna Gudjonsdottir
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Department of Clinical Chemistry, Faculty of Health Sciences, Center for Diagnostics, Linköping University, Region Östergötland, Linköping, Sweden.
| | - Elvar Theodorsson
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Department of Clinical Chemistry, Faculty of Health Sciences, Center for Diagnostics, Linköping University, Region Östergötland, Linköping, Sweden.
| | - Annette Theodorsson
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Department of Clinical Chemistry, Faculty of Health Sciences, Center for Diagnostics, Linköping University, Region Östergötland, Linköping, Sweden. .,Division of Neuroscience, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Department of Neurosurgery, Anaesthetics, Operations and Specialty Surgery Center, Linköping University, Region Östergötland, Linköping, Sweden.
| | - Jakob O Ström
- Division of Microbiology and Molecular Medicine, Department of Clinical and Experimental Medicine, Department of Clinical Chemistry, Faculty of Health Sciences, Center for Diagnostics, Linköping University, Region Östergötland, Linköping, Sweden. .,Vårdvetenskapligt Forskningscentrum/Centre for Health Sciences, Örebro University Hospital, County Council of Örebro, Örebro, Sweden. .,School of Health and Medical Sciences, Örebro University, Örebro, Sweden.
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24
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Doeppner TR, Kaltwasser B, Teli MK, Sanchez-Mendoza EH, Kilic E, Bähr M, Hermann DM. Post-stroke transplantation of adult subventricular zone derived neural progenitor cells--A comprehensive analysis of cell delivery routes and their underlying mechanisms. Exp Neurol 2015; 273:45-56. [PMID: 26253224 DOI: 10.1016/j.expneurol.2015.07.023] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2015] [Revised: 07/06/2015] [Accepted: 07/28/2015] [Indexed: 12/17/2022]
Abstract
With neuroprotective approaches having failed until recently, current focus on experimental stroke research has switched towards manipulation of post-ischemic neuroregeneration. Transplantation of subventricular zone (SVZ) derived neural progenitor cells (NPCs) is a promising strategy for promotion of neurological recovery. Yet, fundamental questions including the optimal cell delivery route still have to be addressed. Consequently, male C57BL6 mice were exposed to transient focal cerebral ischemia and allowed to survive for as long as 84 days post-stroke. At 6h post-stroke, NPCs were grafted using six different cell delivery routes, i.e., intravenous, intraarterial, ipsilateral intrastriatal, contralateral intrastriatal, ipsilateral intraventricular and ipsilateral intracortical injection. Control mice received PBS only using the aforementioned delivery routes. Intralesional numbers of GFP(+) NPCs were high only after ipsilateral intrastriatal transplantation, whereas other injection paradigms only yielded comparatively small numbers of grafted cells. However, acute neuroprotection and improved functional outcome were observed after both systemic (i.e., intraarterial and intravenous) and ipsilateral intrastriatal transplantation only. Whereas systemic cell delivery induced acute and long-term neuroprotection, reduction of brain injury after ipsilateral intrastriatal cell grafting was only temporary, in line with the loss of transplanted NPCs in the brain. Both systemic and ipsilateral intrastriatal NPC delivery reduced microglial activation and leukocyte invasion, thus reducing free radical formation within the ischemic brain. On the contrary, only systemic NPC administration stabilized the blood-brain-barrier and reduced leukocytosis in the blood. Although intraarterial NPC transplantation was as effective as intravenous cell grafting, mortality of stroke mice was high using the intraarterial delivery route. Consequently, intravenous delivery of native NPCs in our experimental model is an attractive and effective strategy for stroke therapy that deserves further proof-of-concept studies.
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Affiliation(s)
- Thorsten R Doeppner
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany; Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Istanbul, Turkey.
| | - Britta Kaltwasser
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany
| | - Mahesh K Teli
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany; National Institute of Technology Calicut, Calicut, Kerala, India
| | | | - Ertugrul Kilic
- Istanbul Medipol University, Regenerative and Restorative Medical Research Center, Istanbul, Turkey
| | - Mathias Bähr
- University of Goettingen Medical School, Department of Neurology, Goettingen, Germany
| | - Dirk M Hermann
- University of Duisburg-Essen Medical School, Department of Neurology, Essen, Germany
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25
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Zhang H, Shao B, Zhuge Q, Wang P, Zheng C, Huang W, Yang C, Wang B, Su DM, Jin K. Cross-talk between human neural stem/progenitor cells and peripheral blood mononuclear cells in an allogeneic co-culture model. PLoS One 2015; 10:e0117432. [PMID: 25658950 PMCID: PMC4319716 DOI: 10.1371/journal.pone.0117432] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2014] [Accepted: 12/22/2014] [Indexed: 12/18/2022] Open
Abstract
Transplantation of human neural stem/progenitor cells (hNSCs) as a regenerative cell replacement therapy holds great promise. However, the underlying mechanisms remain unclear. We, here, focused on the interaction between hNSCs and allogeneic peripheral blood mononuclear cells (PBMCs) in a co-culture model. We found that hNSCs significantly decrease the CD3+ and CD8+ T cells, reduce the gamma delta T cells and increase the regulatory T cells, along with reduced pro-inflammatory cytokines and increased anti-inflammatory cytokines after co-culture. We also found that PBMCs, in turn, significantly promote the proliferation and differentiation of hNSCs. Our data suggest that hNSCs cross-talk with immune cells.
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Affiliation(s)
- Hongxia Zhang
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
| | - Bei Shao
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
- * E-mail: (BS); (KJ)
| | - Qichuan Zhuge
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
| | - Peng Wang
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
| | - Chengcai Zheng
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
| | - Weilong Huang
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
| | - Chenqi Yang
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX 76107, United States of America
| | - Brian Wang
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX 76107, United States of America
| | - Dong-Ming Su
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX 76107, United States of America
| | - Kunlin Jin
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research, First Affiliated Hospital, Wenzhou Medical University, Wenzhou 35000, China
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, TX 76107, United States of America
- * E-mail: (BS); (KJ)
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26
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Machado VM, Morte MI, Carreira BP, Azevedo MM, Takano J, Iwata N, Saido TC, Asmussen H, Horwitz AR, Carvalho CM, Araújo IM. Involvement of calpains in adult neurogenesis: implications for stroke. Front Cell Neurosci 2015; 9:22. [PMID: 25698931 PMCID: PMC4316774 DOI: 10.3389/fncel.2015.00022] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Accepted: 01/13/2015] [Indexed: 11/13/2022] Open
Abstract
Calpains are ubiquitous proteases involved in cell proliferation, adhesion and motility. In the brain, calpains have been associated with neuronal damage in both acute and neurodegenerative disorders, but their physiological function in the nervous system remains elusive. During brain ischemia, there is a large increase in the levels of intracellular calcium, leading to the activation of calpains. Inhibition of these proteases has been shown to reduce neuronal death in a variety of stroke models. On the other hand, after stroke, neural stem cells (NSC) increase their proliferation and newly formed neuroblasts migrate towards the site of injury. However, the process of forming new neurons after injury is not efficient and finding ways to improve it may help with recovery after lesion. Understanding the role of calpains in the process of neurogenesis may therefore open a new window for the treatment of stroke. We investigated the involvement of calpains in NSC proliferation and neuroblast migration in two highly neurogenic regions in the mouse brain, the dentate gyrus (DG) and the subventricular zone (SVZ). We used mice that lack calpastatin, the endogenous calpain inhibitor, and calpains were also modulated directly, using calpeptin, a pharmacological calpain inhibitor. Calpastatin deletion impaired both NSC proliferation and neuroblast migration. Calpain inhibition increased NSC proliferation, migration speed and migration distance in cells from the SVZ. Overall, our work suggests that calpains are important for neurogenesis and encourages further research on their neurogenic role. Prospective therapies targeting calpain activity may improve the formation of new neurons following stroke, in addition to affording neuroprotection.
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Affiliation(s)
- Vanessa M Machado
- Regenerative Medicine Program, Department of Biomedical Sciences and Medicine, University of Algarve Faro, Portugal ; IBB-Institute for Biotechnology and Bioengineering, Center for Molecular and Structural Biomedicine, University of Algarve Faro, Portugal ; Center for Biomedical Research, CBMR, University of Algarve Faro, Portugal ; Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Maria I Morte
- Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Bruno P Carreira
- Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Maria M Azevedo
- Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Jiro Takano
- Laboratory for Proteolytic Neuroscience, RIKEN Brain Science Institute Wako-shi, Saitama, Japan
| | - Nobuhisa Iwata
- Graduate School of Biomedical Sciences, Nagasaki University Nagasaki, Japan
| | - Takaomi C Saido
- Laboratory for Proteolytic Neuroscience, RIKEN Brain Science Institute Wako-shi, Saitama, Japan
| | - Hannelore Asmussen
- Department of Cell Biology, University of Virginia School of Medicine Charlottesville, VA, USA
| | - Alan R Horwitz
- Department of Cell Biology, University of Virginia School of Medicine Charlottesville, VA, USA
| | - Caetana M Carvalho
- Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
| | - Inês M Araújo
- Regenerative Medicine Program, Department of Biomedical Sciences and Medicine, University of Algarve Faro, Portugal ; IBB-Institute for Biotechnology and Bioengineering, Center for Molecular and Structural Biomedicine, University of Algarve Faro, Portugal ; Center for Biomedical Research, CBMR, University of Algarve Faro, Portugal ; Center for Neuroscience and Cell Biology, University of Coimbra Coimbra, Portugal
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27
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Chan TM, Harn HJ, Lin HP, Chiu SC, Lin PC, Wang HI, Ho LI, Chuu CP, Chiou TW, Hsieh AC, Chen YW, Ho WY, Lin SZ. The use of ADSCs as a treatment for chronic stroke. Cell Transplant 2015; 23:541-7. [PMID: 24816449 DOI: 10.3727/096368914x678409] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Stroke is one of the disorders for which clinically effective therapeutic modalities are most needed, and numerous ways have been explored to attempt to investigate their feasibilities. However, ischemic- or hemorrhagic-induced inflammatory neuron death causes irreversible injuries and infarction regions, and there are currently no truly effective drugs available as therapy. It is therefore urgent to be able to provide a fundamental treatment method to regenerate neuronal brain cells, and therefore, the use of stem cells for curing chronic stroke could be a major breakthrough development. In this review, we describe the features and classification of stroke and focus on the benefits of adipose tissue-derived stem cells and their applications in stroke animal models. The results show that cell-based therapies have resulted in significant improvements in neuronal behaviors and functions through different molecular mechanisms, and no safety problems have so far arisen after transplantation. Further, we propose a clinical possibility to create a homing niche by reducing the degree of invasive intracerebroventricular transplantation and combining it with continuous intravenous administration to achieve a complete cure.
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Affiliation(s)
- Tzu-Min Chan
- Center for Neuropsychiatry, China Medical University Hospital, Taichung, Taiwan
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28
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Popa-Wagner A, Buga AM, Doeppner TR, Hermann DM. Stem cell therapies in preclinical models of stroke associated with aging. Front Cell Neurosci 2014; 8:347. [PMID: 25404892 PMCID: PMC4217499 DOI: 10.3389/fncel.2014.00347] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 10/06/2014] [Indexed: 01/01/2023] Open
Abstract
Stroke has limited treatment options, demanding a vigorous search for new therapeutic strategies. Initial enthusiasm to stimulate restorative processes in the ischemic brain by means of cell-based therapies has meanwhile converted into a more balanced view recognizing impediments related to unfavorable environments that are in part related to aging processes. Since stroke afflicts mostly the elderly, it is highly desirable and clinically important to test the efficacy of cell therapies in aged brain microenvironments. Although widely believed to be refractory to regeneration, recent studies using both neural precursor cells and bone marrow-derived mesenchymal stem cells for stroke therapy suggest that the aged rat brain is not refractory to cell-based therapy, and that it also supports plasticity and remodeling. Yet, important differences exist in the aged compared with young brain, i.e., the accelerated progression of ischemic injury to brain infarction, the reduced rate of endogenous neurogenesis and the delayed initiation of neurological recovery. Pitfalls in the development of cell-based therapies may also be related to age-associated comorbidities, e.g., diabetes or hyperlipidemia, which may result in maladaptive or compromised brain remodeling, respectively. These age-related aspects should be carefully considered in the clinical translation of restorative therapies.
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Affiliation(s)
- Aurel Popa-Wagner
- Department of Psychiatry, Aging and Brain Disorders, University of Medicine Rostock Rostock, Germany ; Department of Functional Sciences, Center of Clinical and Experimental Medicine, University of Medicine and Pharmacy of Craiova Craiova, Romania
| | - Ana-Maria Buga
- Department of Psychiatry, Aging and Brain Disorders, University of Medicine Rostock Rostock, Germany ; Department of Functional Sciences, Center of Clinical and Experimental Medicine, University of Medicine and Pharmacy of Craiova Craiova, Romania
| | | | - Dirk M Hermann
- Department of Neurology, University Hospital Essen Essen, Germany
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29
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Tang Y, Wang J, Lin X, Wang L, Shao B, Jin K, Wang Y, Yang GY. Neural stem cell protects aged rat brain from ischemia-reperfusion injury through neurogenesis and angiogenesis. J Cereb Blood Flow Metab 2014; 34:1138-47. [PMID: 24714034 PMCID: PMC4083376 DOI: 10.1038/jcbfm.2014.61] [Citation(s) in RCA: 76] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/07/2014] [Revised: 03/04/2014] [Accepted: 03/05/2014] [Indexed: 12/28/2022]
Abstract
Neural stem cells (NSCs) show therapeutic potential for ischemia in young-adult animals. However, the effect of aging on NSC therapy is largely unknown. In this work, NSCs were transplanted into aged (24-month-old) and young-adult (3-month-old) rats at 1 day after stroke. Infarct volume and neurobehavioral outcomes were examined. The number of differentiated NSCs was compared in aged and young-adult ischemic rats and angiogenesis and neurogenesis were also determined. We found that aged rats developed larger infarcts than young-adult rats after ischemia (P<0.05). The neurobehavioral outcome was also worse for aged rats comparing with young-adult rats. Brain infarction and neurologic deficits were attenuated after NSC transplantation in both aged and young-adult rats. The number of survived NSCs in aged rats was similar to that of the young-adult rats (P>0.05) and most of them were differentiated into glial fibrillary acidic protein(+) (GFAP(+)) cells. More importantly, angiogenesis and neurogenesis were greatly enhanced in both aged and young-adult rats after transplantation compared with phosphate-buffered saline (PBS) control (P<0.05), accompanied by increased expression of vascular endothelial growth factor (VEGF). Our results showed that NSC therapy reduced ischemic brain injury, along with increased angiogenesis and neurogenesis in aged rats, suggesting that aging-related microenvironment does not preclude a beneficial response to NSCs transplantation during cerebral ischemia.
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Affiliation(s)
- Yaohui Tang
- Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Jixian Wang
- Department of Neurology, Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xiaojie Lin
- Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Liuqing Wang
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research the First Affiliated Hospital, Department of Neurology, Wenzhou Medical College, Zhejiang, China
| | - Bei Shao
- Zhejiang Provincial Key Laboratory of Aging and Neurological Disorder Research the First Affiliated Hospital, Department of Neurology, Wenzhou Medical College, Zhejiang, China
| | - Kunlin Jin
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center, Fort Worth, Texas, USA
| | - Yongting Wang
- Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China
| | - Guo-Yuan Yang
- 1] Neuroscience and Neuroengineering Center, Med-X Research Institute, Shanghai Jiao Tong University, Shanghai, China [2] Department of Neurology, Shanghai Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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30
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Involvement of p38 MAPK in reactive astrogliosis induced by ischemic stroke. Brain Res 2014; 1551:45-58. [PMID: 24440774 DOI: 10.1016/j.brainres.2014.01.013] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 12/17/2013] [Accepted: 01/13/2014] [Indexed: 12/11/2022]
Abstract
Reactive astrogliosis is an essential feature of astrocytic response to all forms of central nervous system (CNS) injury and disease, which may benefit or harm surrounding neural and non-neural cells. Despite extensive study, its molecular triggers remain largely unknown in term of ischemic stroke. In the current study we investigated the role p38 mitogen-activated protein kinase (MAPK) in astrogliosis both in vitro and in vivo. In a mouse model of middle cerebral artery occlusion (MCAO), p38 MAPK activation was observed in the glia scar area, along with increased glial fibrillary acidic protein (GFAP) expression. In primary astrocyte cultures, hypoxia and scratch injury-induced astrogliosis was attenuated by both p38 inhibition and knockout of p38 MAPK. In addition, both knockout and inhibition of p38 MAPK also reduced astrocyte migration, but did not affect astrocyte proliferation. In a mouse model of permanent MCAO, no significant difference in motor function recovery and lesion volume was observed between conditional GFAP/p38 MAPK knockout mice and littermates. While a significant reduction of astrogliosis was observed in the GFAP/p38 knockout mice compared with the littermates. Our findings suggest that p38 MAPK signaling pathway plays an important role in the ischemic stroke-induced astrogliosis and thus may serve as a novel target to control glial scar formation.
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31
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Liu X, Ye R, Yan T, Yu SP, Wei L, Xu G, Fan X, Jiang Y, Stetler RA, Liu G, Chen J. Cell based therapies for ischemic stroke: from basic science to bedside. Prog Neurobiol 2013; 115:92-115. [PMID: 24333397 DOI: 10.1016/j.pneurobio.2013.11.007] [Citation(s) in RCA: 146] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Revised: 11/11/2013] [Accepted: 11/26/2013] [Indexed: 12/20/2022]
Abstract
Cell therapy is emerging as a viable therapy to restore neurological function after stroke. Many types of stem/progenitor cells from different sources have been explored for their feasibility and efficacy for the treatment of stroke. Transplanted cells not only have the potential to replace the lost circuitry, but also produce growth and trophic factors, or stimulate the release of such factors from host brain cells, thereby enhancing endogenous brain repair processes. Although stem/progenitor cells have shown a promising role in ischemic stroke in experimental studies as well as initial clinical pilot studies, cellular therapy is still at an early stage in humans. Many critical issues need to be addressed including the therapeutic time window, cell type selection, delivery route, and in vivo monitoring of their migration pattern. This review attempts to provide a comprehensive synopsis of preclinical evidence and clinical experience of various donor cell types, their restorative mechanisms, delivery routes, imaging strategies, future prospects and challenges for translating cell therapies as a neurorestorative regimen in clinical applications.
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Affiliation(s)
- Xinfeng Liu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China.
| | - Ruidong Ye
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Tao Yan
- Department of Neurology, Henry Ford Hospital, Detroit, MI, USA; Department of Neurology, Tianjin General Hospital, Tianjin University School of Medicine, Tianjin, China
| | - Shan Ping Yu
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA, USA
| | - Ling Wei
- Department of Anesthesiology, Emory University School of Medicine, Atlanta, GA, USA
| | - Gelin Xu
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Xinying Fan
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Yongjun Jiang
- Department of Neurology, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - R Anne Stetler
- Center of Cerebrovascular Disease Research, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - George Liu
- Institute of Cardiovascular Sciences, Peking University Health Science Center, Beijing, China
| | - Jieli Chen
- Department of Neurology, Henry Ford Hospital, Detroit, MI, USA.
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Biomedical and clinical promises of human pluripotent stem cells for neurological disorders. BIOMED RESEARCH INTERNATIONAL 2013; 2013:656531. [PMID: 24171168 PMCID: PMC3793324 DOI: 10.1155/2013/656531] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Accepted: 08/13/2013] [Indexed: 01/25/2023]
Abstract
Neurological disorders are characterized by the chronic and progressive loss of neuronal structures and functions. There is a variability of the onsets and causes of clinical manifestations. Cell therapy has brought a new concept to overcome brain diseases, but the advancement of this therapy is limited by the demands of specialized neurons. Human pluripotent stem cells (hPSCs) have been promised as a renewable resource for generating human neurons for both laboratory and clinical purposes. By the modulations of appropriate signalling pathways, desired neuron subtypes can be obtained, and induced pluripotent stem cells (iPSCs) provide genetically matched neurons for treating patients. These hPSC-derived neurons can also be used for disease modeling and drug screening. Since the most urgent problem today in transplantation is the lack of suitable donor organs and tissues, the derivation of neural progenitor cells from hPSCs has opened a new avenue for regenerative medicine. In this review, we summarize the recent reports that show how to generate neural derivatives from hPSCs, and discuss the current evidence of using these cells in animal studies. We also highlight the possibilities and concerns of translating these hPSC-derived neurons for biomedical and clinical uses in order to fight against neurological disorders.
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Chen L, Xi H, Huang H, Zhang F, Liu Y, Chen D, Xiao J. Multiple cell transplantation based on an intraparenchymal approach for patients with chronic phase stroke. Cell Transplant 2013; 22 Suppl 1:S83-91. [PMID: 23992950 DOI: 10.3727/096368913x672154] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Stroke is the third leading cause of death worldwide and a huge perpetrator in adult disability. This pilot clinical study investigates the possible benefits of transplanting multiple cells in chronic stroke. A total of 10 consecutive stroke patients were treated by combination cell transplantation on the basis of an intraparenchymal approach from November 2003 to April 2011. There were six males and four females. Their age ranged from 42 to 87 years, and the course of disease varied from 6 months to 20 years. Six patients suffered cerebral infarction, and four patients suffered a brain hemorrhage. The olfactory ensheathing cells, neural progenitor cells, umbilical cord mesenchymal cells, and Schwann cells were injected through selected routes including intracranial parenchymal implantation, intrathecal implantation, and intravenous administration, respectively. The clinical neurological function was assessed carefully and independently before treatment and during a long-term follow-up using the Clinic Neurologic Impairment Scale and the Barthel index. All patients were followed up successfully from 6 months to 2 years after cell transplantation. Every subject achieved neurological function amelioration including improved speech, muscle strength, muscular tension, balance, pain, and breathing; most patients had an increased Barthel index score and Clinic Neurologic Impairment Scale score. These preliminary results demonstrate the novel strategy of combined multiple cell therapy based on intraparenchymal delivery: it appears to be relatively clinically safe and at least initially beneficial for chronic stroke patients. This manuscript is published as part of the International Association of Neurorestoratology (IANR) supplement issue of Cell Transplantation.
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Drury-Stewart D, Song M, Mohamad O, Guo Y, Gu X, Chen D, Wei L. Highly efficient differentiation of neural precursors from human embryonic stem cells and benefits of transplantation after ischemic stroke in mice. Stem Cell Res Ther 2013; 4:93. [PMID: 23928330 PMCID: PMC3854684 DOI: 10.1186/scrt292] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Accepted: 07/26/2013] [Indexed: 02/07/2023] Open
Abstract
Introduction Ischemic stroke is a leading cause of death and disability, but treatment options are severely limited. Cell therapy offers an attractive strategy for regenerating lost tissues and enhancing the endogenous healing process. In this study, we investigated the use of human embryonic stem cell-derived neural precursors as a cell therapy in a murine stroke model. Methods Neural precursors were derived from human embryonic stem cells by using a fully adherent SMAD inhibition protocol employing small molecules. The efficiency of neural induction and the ability of these cells to further differentiate into neurons were assessed by using immunocytochemistry. Whole-cell patch-clamp recording was used to demonstrate the electrophysiological activity of human embryonic stem cell-derived neurons. Neural precursors were transplanted into the core and penumbra regions of a focal ischemic stroke in the barrel cortex of mice. Animals received injections of bromodeoxyuridine to track regeneration. Neural differentiation of the transplanted cells and regenerative markers were measured by using immunohistochemistry. The adhesive removal test was used to determine functional improvement after stroke and intervention. Results After 11 days of neural induction by using the small-molecule protocol, over 95% of human embryonic stem-derived cells expressed at least one neural marker. Further in vitro differentiation yielded cells that stained for mature neuronal markers and exhibited high-amplitude, repetitive action potentials in response to depolarization. Neuronal differentiation also occurred after transplantation into the ischemic cortex. A greater level of bromodeoxyuridine co-localization with neurons was observed in the penumbra region of animals receiving cell transplantation. Transplantation also improved sensory recovery in transplant animals over that in control animals. Conclusions Human embryonic stem cell-derived neural precursors derived by using a highly efficient small-molecule SMAD inhibition protocol can differentiate into electrophysiologically functional neurons in vitro. These cells also differentiate into neurons in vivo, enhance regenerative activities, and improve sensory recovery after ischemic stroke.
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Modulation of neural stem/progenitor cell proliferation during experimental Herpes Simplex encephalitis is mediated by differential FGF-2 expression in the adult brain. Neurobiol Dis 2013; 58:144-55. [PMID: 23748078 DOI: 10.1016/j.nbd.2013.05.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2012] [Revised: 05/07/2013] [Accepted: 05/22/2013] [Indexed: 11/20/2022] Open
Abstract
Neural stem cells (NSCs) respond to inflammatory cues induced during brain injury and are thought to be involved in recovery from brain damage. Little is known about NSC response during brain infections. The present study evaluated NSC proliferation during Herpes Simplex Virus-1 brain infection. Total numbers of nestin(+) NSCs increased significantly in infected brains at 6 days post infection (p.i.). However, by 15 days p.i. the nestin(+) population decreased significantly below levels observed in uninfected brains and remained depressed through 30 days p.i. This initial increase in NSC population occurred concurrently with increased brain cell proliferation, which peaked at 3 days p.i. On closer examination, we found that while actively proliferating Sox2(+) NSCs increased in number at 6 days p.i., proliferating DCX(+) neuroblasts contributed to the increased response at 3 days p.i. However, overall proliferation decreased steadily from 15 days p.i. to below control levels. To determine the mechanisms involved in altering NSC proliferation, neurotrophin and growth factor expression profiles were assessed. FGF-2 gene expression increased at 5 days p.i. and was robustly down-regulated at 15 days p.i. (>1000-fold), which was further confirmed by increased FGF-2 immunostaining around the lateral ventricles. Furthermore, supplementing infected animals with recombinant FGF-2, at 15 days p.i., significantly increased the number of proliferating brain cells. These findings demonstrate that the temporal changes in NSC proliferation are mediated through the regulation of FGF-2 and that the NSC niche may benefit from supplementation with FGF-2 during HSV-1 brain infection.
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Trueman RC, Klein A, Lindgren HS, Lelos MJ, Dunnett SB. Repair of the CNS using endogenous and transplanted neural stem cells. Curr Top Behav Neurosci 2013; 15:357-98. [PMID: 22907556 DOI: 10.1007/7854_2012_223] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Restoration of the damaged central nervous system is a vast challenge. However, there is a great need for research into this topic, due to the prevalence of central nervous system disorders and the devastating impact they have on people's lives. A number of strategies are being examined to achieve this goal, including cell replacement therapy, enhancement of endogenous plasticity and the recruitment of endogenous neurogenesis. The current chapter reviews this topic within the context of Parkinson's disease, Huntington's disease and stroke. For each disease exogenous cell therapies are discussed including primary (foetal) cell transplants, neural stem cells, induced pluripotent stem cells and marrow stromal cells. This chapter highlights the different mechanistic approaches of cell replacement therapy versus cells that deliver neurotropic factors, or enhance the endogenous production of these factors. Evidence of exogenously transplanted cells functionally integrating into the host brain, replacing cells, and having a behavioural benefit are discussed, along with the ability of some cell sources to stimulate endogenous neuroprotective and restorative events. Alongside exogenous cell therapy, the role of endogenous neurogenesis in each of the three diseases is outlined and methods to enhance this phenomenon are discussed.
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Affiliation(s)
- R C Trueman
- School of Biomedical Sciences, University of Nottingham Medical School, Nottingham, NG7 2UH, UK
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Doeppner TR, Ewert TAS, Tönges L, Herz J, Zechariah A, ElAli A, Ludwig AK, Giebel B, Nagel F, Dietz GPH, Weise J, Hermann DM, Bähr M. Transduction of neural precursor cells with TAT-heat shock protein 70 chaperone: therapeutic potential against ischemic stroke after intrastriatal and systemic transplantation. Stem Cells 2012; 30:1297-310. [PMID: 22593021 DOI: 10.1002/stem.1098] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Novel therapeutic concepts against cerebral ischemia focus on cell-based therapies in order to overcome some of the side effects of thrombolytic therapy. However, cell-based therapies are hampered because of restricted understanding regarding optimal cell transplantation routes and due to low survival rates of grafted cells. We therefore transplanted adult green fluorescence protein positive neural precursor cells (NPCs) either intravenously (systemic) or intrastriatally (intracerebrally) 6 hours after stroke in mice. To enhance survival of NPCs, cells were in vitro protein-transduced with TAT-heat shock protein 70 (Hsp70) before transplantation followed by a systematic analysis of brain injury and underlying mechanisms depending on cell delivery routes. Transduction of NPCs with TAT-Hsp70 resulted in increased intracerebral numbers of grafted NPCs after intracerebral but not after systemic transplantation. Whereas systemic delivery of either native or transduced NPCs yielded sustained neuroprotection and induced neurological recovery, only TAT-Hsp70-transduced NPCs prevented secondary neuronal degeneration after intracerebral delivery that was associated with enhanced functional outcome. Furthermore, intracerebral transplantation of TAT-Hsp70-transduced NPCs enhanced postischemic neurogenesis and induced sustained high levels of brain-derived neurotrophic factor, glial cell line-derived neurotrophic factor, and vascular endothelial growth factor in vivo. Neuroprotection after intracerebral cell delivery correlated with the amount of surviving NPCs. On the contrary, systemic delivery of NPCs mediated acute neuroprotection via stabilization of the blood-brain-barrier, concomitant with reduced activation of matrix metalloprotease 9 and decreased formation of reactive oxygen species. Our findings imply two different mechanisms of action of intracerebrally and systemically transplanted NPCs, indicating that systemic NPC delivery might be more feasible for translational stroke concepts, lacking a need of in vitro manipulation of NPCs to induce long-term neuroprotection.
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Affiliation(s)
- Thorsten R Doeppner
- Department of Neurology, University of Duisburg-Essen Medical School, Essen, Germany; Department of Neurology, University of Goettingen Medical School, Goettingen, Germany.
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Liu SP, Fu RH, Huang SJ, Huang YC, Chen SY, Chang CH, Liu CH, Tsai CH, Shyu WC, Lin SZ. Stem cell applications in regenerative medicine for neurological disorders. Cell Transplant 2012; 22:631-7. [PMID: 23127757 DOI: 10.3727/096368912x655145] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Stem cells are capable of self-renewal and differentiation into a wide range of cell types with multiple clinical and therapeutic applications. Stem cells are providing hope for many diseases that currently lack effective therapeutic methods, including stroke, amyotrophic lateral sclerosis, Alzheimer's disease, and Parkinson's disease. Embryonic stem (ES) cells were originally targeted for differentiation into functional dopamine neurons for cell therapy. Today, induced pluripotent stem (iPS) cells are being tested for such purposes as generating functional dopamine neurons and treating a rat model of Parkinson's disease. In addition, neural stem cell and mesenchymal stem cells are also being used in neurodegenerative disorder therapies for stroke and Parkinson's disease. Although stem cell therapy is still in its infancy, it will likely become a powerful tool for many diseases that currently do not have effective therapeutic approaches. In this article, we discuss current research on the potential application of neural stem cells, mesenchymal stem cells, ES cells, and iPS cells to neurodegenerative disorders.
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Affiliation(s)
- Shih-Ping Liu
- Center for Neuropsychiatry, China Medical University Hospital, Taichung, Taiwan, ROC
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Wang X, Mao X, Xie L, Sun F, Greenberg DA, Jin K. Conditional depletion of neurogenesis inhibits long-term recovery after experimental stroke in mice. PLoS One 2012; 7:e38932. [PMID: 22723908 PMCID: PMC3378583 DOI: 10.1371/journal.pone.0038932] [Citation(s) in RCA: 64] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2012] [Accepted: 05/14/2012] [Indexed: 11/19/2022] Open
Abstract
We reported previously that ablation of doublecortin (DCX)-immunopositive newborn neurons in mice worsens anatomical and functional outcome measured 1 day after experimental stroke, but whether this effect persists is unknown. We generated transgenic mice that express herpes simplex virus thymidine kinase under control of the DCX promoter (DCX-TK transgenic mice). DCX-expressing and recently divided cells in the rostral subventricular zone (SVZ) and hippocampus of DCX-TK transgenic mice, but not wild-type mice, were specifically depleted after ganciclovir (GCV) treatment for 14 days. Focal cerebral ischemia was induced by permanent distal middle cerebral artery occlusion (MCAO) on day 14 of vehicle or GCV treatment, and mice were killed 12 weeks after MCAO. Infarct volume was significantly increased and neurologic deficits were more severe in GCV- compared to vehicle-treated DCX-TK transgenic mice at first 8 weeks, after depletion of DCX- and bromodeoxyuridine-immunoreactive cells in the SVZ and dentate gyrus following focal ischemia. Our results indicate that endogenous neurogenesis in a critical period following experimental stroke influences the course of long-term recovery.
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Affiliation(s)
- Xiaomei Wang
- Buck Institute for Research on Aging, Novato, California, United States of America
| | - XiaoOu Mao
- Buck Institute for Research on Aging, Novato, California, United States of America
| | - Lin Xie
- Buck Institute for Research on Aging, Novato, California, United States of America
| | - Fen Sun
- Buck Institute for Research on Aging, Novato, California, United States of America
| | - David A. Greenberg
- Buck Institute for Research on Aging, Novato, California, United States of America
| | - Kunlin Jin
- Buck Institute for Research on Aging, Novato, California, United States of America
- Department of Pharmacology and Neuroscience, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas, United States of America
- Institute for Aging and Alzheimer’s Disease Research, University of North Texas Health Science Center at Fort Worth, Fort Worth, Texas, United States of America
- * E-mail:
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Feng JF, Liu J, Zhang XZ, Zhang L, Jiang JY, Nolta J, Zhao M. Guided migration of neural stem cells derived from human embryonic stem cells by an electric field. Stem Cells 2012; 30:349-55. [PMID: 22076946 DOI: 10.1002/stem.779] [Citation(s) in RCA: 113] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Small direct current (DC) electric fields (EFs) guide neurite growth and migration of rodent neural stem cells (NSCs). However, this could be species dependent. Therefore, it is critical to investigate how human NSCs (hNSCs) respond to EF before any possible clinical attempt. Aiming to characterize the EF-stimulated and guided migration of hNSCs, we derived hNSCs from a well-established human embryonic stem cell line H9. Small applied DC EFs, as low as 16 mV/mm, induced significant directional migration toward the cathode. Reversal of the field polarity reversed migration of hNSCs. The galvanotactic/electrotactic response was both time and voltage dependent. The migration directedness and distance to the cathode increased with the increase of field strength. (Rho-kinase) inhibitor Y27632 is used to enhance viability of stem cells and has previously been reported to inhibit EF-guided directional migration in induced pluripotent stem cells and neurons. However, its presence did not significantly affect the directionality of hNSC migration in an EF. Cytokine receptor [C-X-C chemokine receptor type 4 (CXCR4)] is important for chemotaxis of NSCs in the brain. The blockage of CXCR4 did not affect the electrotaxis of hNSCs. We conclude that hNSCs respond to a small EF by directional migration. Applied EFs could potentially be further exploited to guide hNSCs to injured sites in the central nervous system to improve the outcome of various diseases.
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Affiliation(s)
- Jun-Feng Feng
- Institute for Regenerative Cures, University of California Davis School of Medicine, California 95817, USA
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41
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Cunningham LA, Candelario K, Li L. Roles for HIF-1α in neural stem cell function and the regenerative response to stroke. Behav Brain Res 2011; 227:410-7. [PMID: 21871501 DOI: 10.1016/j.bbr.2011.08.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2011] [Revised: 07/29/2011] [Accepted: 08/01/2011] [Indexed: 12/20/2022]
Abstract
Stroke represents a leading cause of long-term disability worldwide, with few therapeutic options available for improving behavioral recovery. Identification of endogenous neural stem and progenitor cells (NSPCs) that are capable of promoting reparative responses following brain injury and stroke make these cells attractive therapeutic targets for stimulating cell replacement and neuronal plasticity. Interest in the mechanisms that support NSPC survival and replenishment of damaged cells within the ischemic brain has led to elucidation of new roles for hypoxia-inducible factor-1α (HIF-1α) in NSPC function. HIF-1α is a well-studied mediator of adaptive cellular responses to hypoxia through direct transcriptional regulation of cellular metabolism and angiogenesis. Recent evidence also indicates novel roles for HIF-1α in stem cell differentiation through modulation of Notch and Wnt/β-catenin signaling pathways. In this review, we will explore the hypothesis that HIF-1α represents an important mediator of NSPC function under both non-pathological conditions and stroke; and plays a central role in the regulation of NSPC response to hypoxia, metabolism and maintenance of the vascular environment of the neural stem cell niche.
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Affiliation(s)
- Lee Anna Cunningham
- Department of Neurosciences, MSC08 4740, 1 University of New Mexico Health Sciences Center, Albuquerque, NM 87131-0001, USA.
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Kokaia Z, Darsalia V. Neural stem cell-based therapy for ischemic stroke. Transl Stroke Res 2011; 2:272-8. [PMID: 24323649 DOI: 10.1007/s12975-011-0100-6] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2011] [Revised: 07/25/2011] [Accepted: 07/27/2011] [Indexed: 12/11/2022]
Abstract
Stem cell-based approaches for the treatment of stroke have been the subject of intensive research over the past decade. Based on accumulated experimental evidence, stem cell-based therapy is a very promising prospect for the development of a novel treatment to restore stroke-damaged brain and impaired neurological function. Studies performed on experimental animal models of stroke employed a variety of stem cell types from diverse sources and have demonstrated their ability to replace lost neurons and functionally integrate into the brain, modulate inflammation, and stimulate angiogenesis and neurogenesis from an endogenous stem cell pool, most likely through trophic actions. A few clinical trials in stroke patients using stem cell transplantation have been completed or are on-going but the results have not yet proven the effectiveness of the stem cell-based approaches. A joint effort of stroke researchers and clinicians is needed to further optimize treatment protocols using safe and reproducible stem cell sources tested in relevant animal models of stroke and showing substantial neurological recovery of stroke-impaired function.
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Affiliation(s)
- Zaal Kokaia
- Laboratory of Neural Stem Cell Biology and Therapy, Lund Stem Cell Center, Lund University Hospital, SE-221 84, Lund, Sweden,
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43
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Intravascular Stem Cell Transplantation for Stroke. Transl Stroke Res 2011; 2:250-65. [DOI: 10.1007/s12975-011-0093-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2011] [Accepted: 07/13/2011] [Indexed: 01/01/2023]
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Colak G, Filiano AJ, Johnson GVW. The application of permanent middle cerebral artery ligation in the mouse. J Vis Exp 2011:3039. [PMID: 21808231 PMCID: PMC3196186 DOI: 10.3791/3039] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Focal cerebral ischemia is among the most common type of stroke seen in patients. Due to the clinical significance there has been a prolonged effort to develop suitable animal models to study the events that unfold during ischemic insult. These techniques include transient or permanent, focal or global ischemia models using many different animal models, with the most common being rodents. The permanent MCA ligation method which is also referred as pMCAo in the literature is used extensively as a focal ischemia model in rodents. This method was originally described for rats by Tamura et al. in 1981. In this protocol a craniotomy was used to access the MCA and the proximal regions were occluded by electrocoagulation. The infarcts involve mostly cortical and sometimes striatal regions depending on the location of the occlusion. This technique is now well established and used in many laboratories. Early use of this technique led to the definition and description of "infarct core" and "penumbra", and it is often used to evaluate potential neuroprotective compounds. Although the initial studies were performed in rats, permanent MCA ligation has been used successfully in mice with slight modifications. This model yields reproducible infarcts and increased post-survival rates. Approximately 80% of the ischemic strokes in humans happen in the MCA area and thus this is a very relevant model for stroke studies. Currently, there is a paucity of effective treatments available to stroke patients, and thus there is a need for good models to test potential pharmacological compounds and evaluate physiological outcomes. This method can also be used for studying intracellular hypoxia response mechanisms in vivo. Here, we present the MCA ligation surgery in a C57/BL6 mouse. We describe the pre-surgical preparation, MCA ligation surgery and 2,3,5 Triphenyltetrazolium chloride (TTC) staining for quantification of infarct volumes.
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Affiliation(s)
- Gozde Colak
- Department of Pharmacology and Physiology, University of Rochester, USA
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PET molecular imaging in stem cell therapy for neurological diseases. Eur J Nucl Med Mol Imaging 2011; 38:1926-38. [DOI: 10.1007/s00259-011-1860-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2011] [Accepted: 06/06/2011] [Indexed: 01/12/2023]
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46
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Arnaoutova I, George J, Kleinman HK, Benton G. Basement Membrane Matrix (BME) has Multiple Uses with Stem Cells. Stem Cell Rev Rep 2011; 8:163-9. [DOI: 10.1007/s12015-011-9278-y] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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47
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Jin K, Xie L, Mao X, Greenberg MB, Moore A, Peng B, Greenberg RB, Greenberg DA. Effect of human neural precursor cell transplantation on endogenous neurogenesis after focal cerebral ischemia in the rat. Brain Res 2010; 1374:56-62. [PMID: 21167824 DOI: 10.1016/j.brainres.2010.12.037] [Citation(s) in RCA: 72] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2010] [Revised: 12/09/2010] [Accepted: 12/10/2010] [Indexed: 11/17/2022]
Abstract
Little is known about the relationship between neuronal cell transplantation and endogenous neurogenesis after experimental stroke. We found previously that transplantation of neuronal precursors derived from BG01 human embryonic stem cells reduced infarct volume and improved behavioral outcome after distal middle cerebral artery occlusion (MCAO) in rats. In this study, transplantation was performed 14 days after distal MCAO and doublecortin (Dcx)-expressing cells in the subventricular zone (SVZ) and subgranular zone of dentate gyrus (SGZ) were counted 60 days post-transplant. Transplantation increased neurogenesis (Dcx expression) in ipsilateral SVZ, but not in contralateral SVZ or either SGZ, in both young adult (3-month-old) and aged (24-month-old) rats. These findings suggest that cell-based therapy for stroke may be associated with changes in endogenous adaptive processes, including neurogenesis.
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Affiliation(s)
- Kunlin Jin
- Buck Institute for Age Research, 8001 Redwood Blvd., Novato, CA 94945, USA
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