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Kanno H, Matsumoto S, Yoshizumi T, Nakahara K, Shinonaga M, Kubo A, Fujii S, Ishizuka Y, Tanaka M, Ichihashi M, Murata H. SOCS7-Derived BC-Box Motif Peptide Mediated Cholinergic Differentiation of Human Adipose-Derived Mesenchymal Stem Cells. Int J Mol Sci 2023; 24:ijms24032786. [PMID: 36769102 PMCID: PMC9917589 DOI: 10.3390/ijms24032786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 01/20/2023] [Accepted: 01/21/2023] [Indexed: 02/04/2023] Open
Abstract
Adipose-derived mesenchymal stem cells (ADMSCs) are a type of pluripotent somatic stem cells that differentiate into various cell types such as osteoblast, chondrocyte, and neuronal cells. ADMSCs as donor cells are used to produce regenerative medicines at hospitals and clinics. However, it has not been reported that ADMSCs were differentiated to a specific type of neuron with a peptide. Here, we report that ADMSCs differentiate to the cholinergic phenotype of neurons by the SOCS7-derived BC-box motif peptide. At operations for patients with neurological disorders, a small amount of subcutaneous fat was obtained. Two weeks later, adipose-derived mesenchymal stem cells (ADMSCs) were isolated and cultured for a further 1 to 2 weeks. Flow cytometry analysis for characterization of ADMSCs was performed with CD73, CD90, and CD105 as positive markers, and CD14, CD31, and CD56 as negative markers. The results showed that cultured cells were compatible with ADMSCs. Immunocytochemical studies showed naïve ADMSCs immunopositive for p75NTR, RET, nestin, keratin, neurofilament-M, and smooth muscle actin. ADMSCs were suggested to be pluripotent stem cells. A peptide corresponding to the amino-acid sequence of BC-box motif derived from SOCS7 protein was added to the medium at a concentration of 2 μM. Three days later, immunocytochemistry analysis, Western blot analysis, ubiquitination assay, and electrophysiological analysis with patch cramp were performed. Immunostaining revealed the expression of neurofilament H (NFH), choline acetyltransferase (ChAT), and tyrosine hydroxylase (TH). In addition, Western blot analysis showed an increase in the expression of NFH, ChAT, and TH, and the expression of ChAT was more distinct than TH. Immunoprecipitation with JAK2 showed an increase in the expression of ubiquitin. Electrophysiological analysis showed a large holding potential at the recorded cells through path electrodes. The BC-box motif peptide derived from SOCS7 promoted the cholinergic differentiation of ADMSCs. This novel method will contribute to research as well as regenerative medicine for cholinergic neuron diseases.
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Affiliation(s)
- Hiroshi Kanno
- Department of Neurosurgery, Yokohama City University, Yokohama 236-0004, Japan
- Department of Neurosurgery, Asahi Hospital, Tokyo 121-0078, Japan
- Department of Neurosurgery, International University of Health and Welfare Atami Hospital, Atami 413-0012, Japan
- Correspondence: ; Tel.: +81-3-5243-5800; Fax: +81-3-5242-5826
| | - Shutaro Matsumoto
- Department of Neurosurgery, Yokohama City University, Yokohama 236-0004, Japan
- Department of Neurosurgery, Asahi Hospital, Tokyo 121-0078, Japan
| | - Tetsuya Yoshizumi
- Department of Neurosurgery, Yokohama City University, Yokohama 236-0004, Japan
- Department of Neurosurgery, International University of Health and Welfare Atami Hospital, Atami 413-0012, Japan
- Department of Neurosurgery, St. Marianna Medical University of Medicine, Kawasaki 216-8511, Japan
| | - Kimihiro Nakahara
- Department of Neurosurgery, International University of Health and Welfare Atami Hospital, Atami 413-0012, Japan
| | - Masamichi Shinonaga
- Department of Neurosurgery, International University of Health and Welfare Atami Hospital, Atami 413-0012, Japan
| | | | - Satoshi Fujii
- Department of Neurosurgery, Asahi Hospital, Tokyo 121-0078, Japan
| | | | | | | | - Hidetoshi Murata
- Department of Neurosurgery, St. Marianna Medical University of Medicine, Kawasaki 216-8511, Japan
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Epigallocatechin-3-Gallate Pretreatment Improves Autologous Adipose-derived Stem Cells Against Rheumatoid Arthritis-induced Neuroinflammation in the Brain of Collagen-induced Rats. Neurotox Res 2022; 40:1223-1234. [PMID: 35829999 DOI: 10.1007/s12640-022-00544-0] [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: 06/04/2022] [Revised: 06/29/2022] [Accepted: 07/04/2022] [Indexed: 10/17/2022]
Abstract
Adipose tissue-derived mesenchymal stem cells (ADSC) exert neuroprotective and anti-inflammatory effects. ADSCs are considered potential therapeutics for rheumatoid arthritis (RA), an inflammatory, multisystemic autoimmune disease. Epigallocatechin-3-gallate (EGCG), the major polyphenolic compound in green tea, has strong anti-inflammatory and antioxidant properties. This study aimed to investigate whether EGCG has a synergistic effect on the neuroprotective effects of ADSCs to protect the RA-damaged brain. Wistar rats were classified into four groups: sham, RA, RA + ADSCs (1 × 106 cells per rat), and RA + EGCG (10 µM)-pretreated ADSCs. After 2 months of treatment, the brain tissues from the rats were collected and investigated. The brains of RA rats had higher inflammation and apoptosis. ADSC treatment ameliorated these negative effects significantly; however, the neuroprotective abilities of EGCG-pretreated ADSCs were significantly higher than ADSCs. Furthermore, the RA-induced repression of the PI3K/Akt survival pathway was reactivated by EGCG-pretreated ADSCs. Collectively, this study provides evidence that EGCG synergistically enhances the neuroprotective ability of ADSCs to repress the negative effects of RA on the brain. These findings could help develop new therapeutic strategies against RA or other neurodegenerative diseases after clinical validation in the future.
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Dordoe C, Wang X, Lin P, Wang Z, Hu J, Wang D, Fang Y, Liang F, Ye S, Chen J, Zhao Y, Xiong Y, Yang Y, Lin L, Li X. Non-mitogenic fibroblast growth factor 1 protects against ischemic stroke by regulating microglia/macrophage polarization through Nrf2 and NF-κB pathways. Neuropharmacology 2022; 212:109064. [PMID: 35452626 DOI: 10.1016/j.neuropharm.2022.109064] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Revised: 04/13/2022] [Accepted: 04/15/2022] [Indexed: 01/23/2023]
Abstract
Microglia are immune cells in the central nervous system (CNS) that participate in response to pathological process after ischemic injury. Non-mitogenic fibroblast growth factor 1 (nmFGF1) is an effective neuroprotective factor that is also known as a metabolic regulator. The present study aimed to investigate the effects and mechanism of the neuroprotective ability of nmFGF1 on microglia in mice after photothrombosis (PT) stroke model, to determine whether it could ameliorate ischemic injury in stroke experiment. We discovered that the intranasal administration of nmFGF1 reduced infarct size and ameliorated neurological deficits in behavioral assessment by regulating the secretion of proinflammatory and anti-inflammatory cytokines. Furthermore, in the in vitro experiments, we found that nmFGF1 regulated the expression levels of proinflammatory and anti-inflammatory cytokines in oxygen-glucose deprivation (OGD) and lipopolysaccharide (LPS) stimulation. Evidence have shown that when nuclear factor erythroid 2-related factor 2 (Nfr2) is activated, it inhibits nuclear factor-kappa B (NF-κB) activation to alleviate inflammation. Interestingly, nmFGF1 treatment in vivo remarkably inhibited NF-κB pathway activation and activated Nrf2 pathway. In addition, nmFGF1 and NF-κB inhibitor (BAY11-7082) inhibited NF-κB pathway in LPS-stimulated BV2 microglia. Moreover, in LPS-stimulated BV2 microglia, the anti-inflammatory effect produced by nmFGF1 was knocked down by Nrf2 siRNA. These results indicate that nmFGF1 promoted functional recovery in experimental stroke by modulating microglia/macrophage-mediated neuroinflammation via Nrf2 and NF-κB signaling pathways, making nmFGF1 a potential agent against ischemic stroke.
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Affiliation(s)
- Confidence Dordoe
- Pingyang Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325400, China; School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Xue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Ping Lin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Zhengyi Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Jian Hu
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Dongxue Wang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China; College of Pharmacy, Chonnam National University, Gwangju, 501-190, Republic of Korea
| | - Yani Fang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Fei Liang
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Shasha Ye
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Jun Chen
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Yeli Zhao
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China
| | - Ye Xiong
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325015, China
| | - Yunjun Yang
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325015, China
| | - Li Lin
- School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, 325035, China; Research Units of Clinical Translation of Cell Growth Factors and Diseases Research, Chinese Academy of Medical Science, Wenzhou, Zhejiang, 325035, China.
| | - Xianfeng Li
- Pingyang Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, 325400, China.
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Salehi MS, Jurek B, Karimi-Haghighi S, Nezhad NJ, Mousavi SM, Hooshmandi E, Safari A, Dianatpour M, Haerteis S, Miyan JA, Pandamooz S, Borhani-Haghighi A. Intranasal application of stem cells and their derivatives as a new hope in the treatment of cerebral hypoxia/ischemia: a review. Rev Neurosci 2022; 33:583-606. [DOI: 10.1515/revneuro-2021-0163] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Accepted: 01/13/2022] [Indexed: 02/07/2023]
Abstract
Abstract
Intranasal delivery of stem cells and conditioned medium to target the brain has attracted major interest in the field of regenerative medicine. In pre-clinical investigations during the last ten years, several research groups focused on this strategy to treat cerebral hypoxia/ischemia in neonates as well as adults. In this review, we discuss the curative potential of stem cells, stem cell derivatives, and their delivery route via intranasal application to the hypoxic/ischemic brain. After intranasal application, stem cells migrate from the nasal cavity to the injured area and exert therapeutic effects by reducing brain tissue loss, enhancing endogenous neurogenesis, and modulating cerebral inflammation that leads to functional improvements. However, application of this administration route for delivering stem cells and/or therapeutic substances to the damaged sites requires further optimization to translate the findings of animal experiments to clinical trials.
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Affiliation(s)
- Mohammad Saied Salehi
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Benjamin Jurek
- Institute of Molecular and Cellular Anatomy , University of Regensburg , Regensburg 93053 , Germany
| | - Saeideh Karimi-Haghighi
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Nahid Jashire Nezhad
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Seyedeh Maryam Mousavi
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Etrat Hooshmandi
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Anahid Safari
- Stem Cells Technology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Mehdi Dianatpour
- Stem Cells Technology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Silke Haerteis
- Institute of Molecular and Cellular Anatomy , University of Regensburg , Regensburg 93053 , Germany
| | - Jaleel A. Miyan
- Faculty of Biology, Medicine & Health, Division of Neuroscience & Experimental Psychology , The University of Manchester , Manchester M13 9PL , UK
| | - Sareh Pandamooz
- Stem Cells Technology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
| | - Afshin Borhani-Haghighi
- Clinical Neurology Research Center , Shiraz University of Medical Sciences , Shiraz 71936-35899 , Iran
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de Celis-Ruiz E, Fuentes B, Alonso de Leciñana M, Gutiérrez-Fernández M, Borobia AM, Gutiérrez-Zúñiga R, Ruiz-Ares G, Otero-Ortega L, Laso-García F, Gómez-de Frutos MC, Díez-Tejedor E. Final Results of Allogeneic Adipose Tissue-Derived Mesenchymal Stem Cells in Acute Ischemic Stroke (AMASCIS): A Phase II, Randomized, Double-Blind, Placebo-Controlled, Single-Center, Pilot Clinical Trial. Cell Transplant 2022; 31:9636897221083863. [PMID: 35301883 PMCID: PMC8943307 DOI: 10.1177/09636897221083863] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Acute ischemic stroke is currently a major cause of disability despite improvement in recanalization therapies. Stem cells represent a promising innovative strategy focused on reduction of neurologic sequelae by enhancement of brain plasticity. We performed a phase IIa, randomized, double-blind, placebo-controlled, single-center, pilot clinical trial. Patients aged ≥60 years with moderate to severe stroke (National Institutes of Health Stroke Scale [NIHSS] 8–20) were randomized (1:1) to receive intravenous adipose tissue–derived mesenchymal stem cells (AD-MSCs) or placebo within the first 2 weeks of stroke onset. The primary outcome was safety, evaluating adverse events (AEs), neurologic and systemic complications, and tumor development. The secondary outcome evaluated treatment efficacy by measuring modified Rankin Scale (mRS), NIHSS, infarct size, and blood biomarkers. We report the final trial results after 24 months of follow-up. Recruitment began in December 2014 and stopped in December 2017 after 19 of 20 planned patients were included. Six patients did not receive study treatment: two due to technical issues and four for acquiring exclusion criteria after randomization. The final study sample was composed of 13 patients (4 receiving AD-MSCs and 9 placebo). One patient in the placebo group died within the first week after study treatment delivery due to sepsis. Two non-treatment-related serious AEs occurred in the AD-MSC group and nine in the placebo group. The total number of AEs and systemic or neurologic complications was similar between the study groups. No injection-related AEs were registered, nor tumor development. At 24 months of follow-up, patients in the AD-MSC group showed a nonsignificantly lower median NIHSS score (interquartile range, 3 [3–5.5] vs 7 [0–8]). Neither treatment group had differences in mRS scores throughout follow-up visits up to month 24. Therefore, intravenous treatment with AD-MSCs within the first 2 weeks from ischemic stroke was safe at 24 months of follow-up.
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Affiliation(s)
- Elena de Celis-Ruiz
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Blanca Fuentes
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - María Alonso de Leciñana
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - María Gutiérrez-Fernández
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Alberto M Borobia
- Department of Clinical Pharmacology, Hospital la Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Raquel Gutiérrez-Zúñiga
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Gerardo Ruiz-Ares
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Laura Otero-Ortega
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Fernando Laso-García
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Mari Carmen Gómez-de Frutos
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
| | - Exuperio Díez-Tejedor
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital, Universidad Autónoma de Madrid), Madrid, Spain
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Otero-Ortega L, Gutiérrez-Fernández M, Díez-Tejedor E. Recovery After Stroke: New Insight to Promote Brain Plasticity. Front Neurol 2021; 12:768958. [PMID: 34867756 PMCID: PMC8639681 DOI: 10.3389/fneur.2021.768958] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/18/2021] [Indexed: 01/01/2023] Open
Affiliation(s)
- Laura Otero-Ortega
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of Hospital La Paz Institute for Health Research (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
| | - María Gutiérrez-Fernández
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of Hospital La Paz Institute for Health Research (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
| | - Exuperio Díez-Tejedor
- Neurological Sciences and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of Hospital La Paz Institute for Health Research (IdiPAZ), Universidad Autónoma de Madrid, Madrid, Spain
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Classification and Characteristics of Mesenchymal Stem Cells and Its Potential Therapeutic Mechanisms and Applications against Ischemic Stroke. Stem Cells Int 2021; 2021:2602871. [PMID: 34795764 PMCID: PMC8595011 DOI: 10.1155/2021/2602871] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 10/11/2021] [Indexed: 12/13/2022] Open
Abstract
Ischemic stroke is a serious cerebral disease that often induces death and long-term disability. As a currently available therapy for recanalization after ischemic stroke, thrombolysis, including intravenous thrombolysis and endovascular therapy, still cannot be applicable to all patients due to the narrow time window. Mesenchymal stem cell (MSC) transplantation therapy, which can trigger neuronal regeneration and repair, has been considered as a significant advance in treatment of ischemic stroke. MSC transplantation therapy has exhibited its potential to improve the neurological function in ischemic stroke. Our review describes the current progress and future perspective of MSC transplantation therapy in ischemic stroke treatment, including cell types, transplantation approaches, therapeutic mechanisms, and preliminary clinical trials of MSC transplantation, for providing us an update role of MSC transplantation in ischemic stroke treatment.
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Berlet R, Anthony S, Brooks B, Wang ZJ, Sadanandan N, Shear A, Cozene B, Gonzales-Portillo B, Parsons B, Salazar FE, Lezama Toledo AR, Monroy GR, Gonzales-Portillo JV, Borlongan CV. Combination of Stem Cells and Rehabilitation Therapies for Ischemic Stroke. Biomolecules 2021; 11:1316. [PMID: 34572529 PMCID: PMC8468342 DOI: 10.3390/biom11091316] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 08/31/2021] [Accepted: 09/01/2021] [Indexed: 12/14/2022] Open
Abstract
Stem cell transplantation with rehabilitation therapy presents an effective stroke treatment. Here, we discuss current breakthroughs in stem cell research along with rehabilitation strategies that may have a synergistic outcome when combined together after stroke. Indeed, stem cell transplantation offers a promising new approach and may add to current rehabilitation therapies. By reviewing the pathophysiology of stroke and the mechanisms by which stem cells and rehabilitation attenuate this inflammatory process, we hypothesize that a combined therapy will provide better functional outcomes for patients. Using current preclinical data, we explore the prominent types of stem cells, the existing theories for stem cell repair, rehabilitation treatments inside the brain, rehabilitation modalities outside the brain, and evidence pertaining to the benefits of combined therapy. In this review article, we assess the advantages and disadvantages of using stem cell transplantation with rehabilitation to mitigate the devastating effects of stroke.
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Affiliation(s)
- Reed Berlet
- Chicago Medical School, Rosalind Franklin University of Medicine and Science, 3333 Green Bay Rd, North Chicago, IL 60064, USA;
| | - Stefan Anthony
- Lake Erie College of Osteopathic Medicine, 5000 Lakewood Ranch Boulevard, Bradenton, FL 34211, USA;
| | - Beverly Brooks
- Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (B.B.); (Z.-J.W.)
| | - Zhen-Jie Wang
- Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (B.B.); (Z.-J.W.)
| | | | - Alex Shear
- University of Florida, 205 Fletcher Drive, Gainesville, FL 32611, USA;
| | - Blaise Cozene
- Tulane University, 6823 St. Charles Ave, New Orleans, LA 70118, USA;
| | | | - Blake Parsons
- Washington and Lee University, 204 W Washington St, Lexington, VA 24450, USA;
| | - Felipe Esparza Salazar
- Centro de Investigación en Ciencias de la Salud (CICSA), FCS, Universidad Anáhuac México Campus Norte, Huixquilucan 52786, Mexico; (F.E.S.); (A.R.L.T.); (G.R.M.)
| | - Alma R. Lezama Toledo
- Centro de Investigación en Ciencias de la Salud (CICSA), FCS, Universidad Anáhuac México Campus Norte, Huixquilucan 52786, Mexico; (F.E.S.); (A.R.L.T.); (G.R.M.)
| | - Germán Rivera Monroy
- Centro de Investigación en Ciencias de la Salud (CICSA), FCS, Universidad Anáhuac México Campus Norte, Huixquilucan 52786, Mexico; (F.E.S.); (A.R.L.T.); (G.R.M.)
| | | | - Cesario V. Borlongan
- Department of Neurosurgery and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA; (B.B.); (Z.-J.W.)
- Center of Excellence for Aging and Brain Repair, Morsani College of Medicine, University of South Florida, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
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Role of Stromal Cell-Derived Factor-1 in Endothelial Progenitor Cell-Mediated Vascular Repair and Regeneration. Tissue Eng Regen Med 2021; 18:747-758. [PMID: 34449064 PMCID: PMC8440704 DOI: 10.1007/s13770-021-00366-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 06/07/2021] [Accepted: 06/15/2021] [Indexed: 12/13/2022] Open
Abstract
Endothelial progenitor cells (EPCs) are immature endothelial cells that participate in vascular repair and postnatal neovascularization and provide a novel and promising therapy for the treatment of vascular disease. Studies in different animal models have shown that EPC mobilization through pharmacological agents and autologous EPC transplantation contribute to restoring blood supply and tissue regeneration after ischemic injury. However, these effects of the progenitor cells in clinical studies exhibit mixed results. The therapeutic efficacy of EPCs is closely associated with the number of the progenitor cells recruited into ischemic regions and their functional abilities and survival in injury tissues. In this review, we discussed the regulating role of stromal cell-derived factor-1 (also known CXCL12, SDF-1) in EPC mobilization, recruitment, homing, vascular repair and neovascularization, and analyzed the underlying machemisms of these functions. Application of SDF-1 to improve the regenerative function of EPCs following vascular injury was also discussed. SDF-1 plays a crucial role in mobilizing EPC from bone marrow into peripheral circulation, recruiting the progenitor cells to target tissue and protecting against cell death under pathological conditions; thus improve EPC regenerative capacity. SDF-1 are crucial for regulating EPC regenerative function, and provide a potential target for improve therapeutic efficacy of the progenitor cells in treatment of vascular disease.
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de Celis-Ruiz E, Fuentes B, Moniche F, Montaner J, Borobia AM, Gutiérrez-Fernández M, Díez-Tejedor E. Allogeneic adipose tissue-derived mesenchymal stem cells in ischaemic stroke (AMASCIS-02): a phase IIb, multicentre, double-blind, placebo-controlled clinical trial protocol. BMJ Open 2021; 11:e051790. [PMID: 34373315 PMCID: PMC8354278 DOI: 10.1136/bmjopen-2021-051790] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 07/28/2021] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION Stroke is a serious public health problem, given it is a major cause of disability worldwide despite the spread of recanalisation therapies. Enhancement of brain plasticity with stem cell administration is a promising innovative therapy to reduce sequelae in these patients. METHODS AND ANALYSIS We have developed a phase IIb, multicentre, randomised, double-blind, placebo-controlled clinical trial protocol to evaluate the safety and efficacy of intravenous administration of allogeneic adipose tissue-derived mesenchymal stem cells (AD-MSCs) in patients with acute ischaemic stroke, concurrently with conventional stroke treatment. Thirty patients will be randomised on a 1:1 basis to receive either intravenous placebo or allogeneic AD-MSCs as soon as possible within the first 4 days from stroke symptom onset. Patients will be followed up to 24 months after randomisation. The primary objective is the safety assessment of early intravenous administration of allogeneic AD-MSCs by reporting all adverse events and neurological or systemic complications in both treatment groups. Secondary objectives assess efficacy of early intravenous AD-MSC treatment in acute ischaemic stroke by evaluating changes in the modified Rankin Scale and the National Institutes of Health Stroke Scale throughout the follow-up period. In addition, brain repair biomarkers will be measured at various visits. ETHICS AND DISSEMINATION This clinical trial has been approved by the Clinical Research Ethics Committee of La Paz University Hospital (Madrid, Spain) and by the Spanish Agency of Medication and Health Products and has been registered in Eudra CT (2019-001724-35) and ClinicalTrials.gov (NCT04280003). Study results will be disseminated through peer-reviewed publications in Open Access format and at conference presentations.
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Affiliation(s)
- Elena de Celis-Ruiz
- Department of Neurology and Stroke Centre; Neurosciences Area, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
| | - Blanca Fuentes
- Department of Neurology and Stroke Centre; Neurosciences Area, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
| | - Francisco Moniche
- Department of Neurology and Stroke Research Program, Hospital Universitario Virgen del Rocío.Institute of Biomedicine of Seville, IBiS/Hospital Universitario Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | - Joan Montaner
- Department of Neurology and Stroke Research Program, Hospital Universitario Virgen Macarena,Institute of Biomedicine of Seville, IBiS/Hospital Universitario Virgen del Rocío/CSIC/University of Seville, Seville, Spain
| | - Alberto M Borobia
- Department of Clinical Pharmacology, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
| | - Maria Gutiérrez-Fernández
- Department of Neurology and Stroke Centre; Neurosciences Area, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
| | - Exuperio Díez-Tejedor
- Department of Neurology and Stroke Centre; Neurosciences Area, Hospital La Paz Institute for Health Research-IdiPAZ (La Paz University Hospital-Universidad Autónoma de Madrid), Madrid, Spain
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11
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Xu M, Zi Y, Wu J, Xu N, Lu L, Liu J, Yu Y, Mo H, Wen W, Tang X, Fan W, Zhang Y, Liu C, Yi W, Wang L. Effect of opposing needling on motor cortex excitability in healthy participants and in patients with post-stroke hemiplegia: study protocol for a single-blind, randomised controlled trial. Trials 2021; 22:481. [PMID: 34294134 PMCID: PMC8296658 DOI: 10.1186/s13063-021-05443-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 07/09/2021] [Indexed: 11/12/2022] Open
Abstract
Background Opposing needling has an obvious curative effect in the treatment of post-stroke hemiplegia; however, the mechanism of the opposing needling in the treatment of post-stroke hemiplegia is still not clear. The purpose of this study is to investigate the effect of opposing needling on the excitability of primary motor cortex (M1) of healthy participants and patients with post-stroke hemiplegia, which may provide insight into the mechanisms of opposing needling in treating post-stroke hemiplegia. Methods This will be a single-blind, randomised, sham-controlled trial in which 80 healthy participants and 40 patients with post-stroke hemiplegia will be recruited. Healthy participants will be randomised 1:1:1:1 to the 2-Hz, 50-Hz, 100-Hz, and sham electroacupuncture groups. Patients with post-stroke hemiplegia will be randomised 1:1 to the opposing needling or conventional treatment groups. The M1 will be located in all groups by using neuroimaging-based navigation. The stimulator coil of transcranial magnetic stimulation (TMS) will be moved over the left and right M1 in order to identify the TMS hotspot, followed by a recording of resting motor thresholds (RMTs) and motor-evoked potentials (MEPs) of the thenar muscles induced by TMS before and after the intervention. The primary outcome measure will be the percent change in the RMTs of the thenar muscles at baseline and after the intervention. The secondary outcome measures will be the amplitude (μV) and latency (ms) of the MEPs of the thenar muscles at baseline and after the intervention. Discussion The aim of this trial is to explore the effect of opposing needling on the excitability of M1 of healthy participants and patients with post-stroke hemiplegia. Trial registration Chinese Clinical Trial Registry ChiCTR1900028138. Registered on 13 December 2019. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-021-05443-x.
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Affiliation(s)
- Mindong Xu
- Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Yinyu Zi
- Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Jianlu Wu
- Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Nenggui Xu
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Liming Lu
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Jiahui Liu
- College of Chinese Medicine, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Yanling Yu
- Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Haofeng Mo
- Rehabilitation Department, Guangdong 999 Brain Hospital, Guangzhou, 510000, China
| | - Weifeng Wen
- Rehabilitation Department, Guangdong 999 Brain Hospital, Guangzhou, 510000, China
| | - Xiaorong Tang
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China
| | - Wenjuan Fan
- College of Health Medicine, Chongqing Youth Vocational and Technical College, Chongqing, 400712, China
| | - Yu Zhang
- Massage Therapy Center, The First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Churong Liu
- Rehabilitation Department, Guangdong 999 Brain Hospital, Guangzhou, 510000, China.
| | - Wei Yi
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China.
| | - Lin Wang
- South China Research Center for Acupuncture and Moxibustion, Medical College of Acu-Moxi and Rehabilitation, Guangzhou University of Chinese Medicine, Guangzhou, 510000, China.
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12
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Nilforoushzadeh MA, Heidari-Kharaji M, Alavi S, Nouri M, Nikkhah N, Jahangiri F, Mahmoudbeyk M, Peyrovan A, Baiat Tork B, Torkamaniha E, Zare S. Transplantation of autologous fat, stromal vascular fraction (SVF) cell, and platelet-rich plasma (PRP) for cell therapy of atrophic acne scars: Clinical evaluation and biometric assessment. J Cosmet Dermatol 2021; 21:2089-2098. [PMID: 34228901 DOI: 10.1111/jocd.14333] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/13/2021] [Accepted: 07/02/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Scarring is an unfortunate result of acne because it causes the psychological and cosmetic problems for the patients. Unfortunately, no single treatment is suitable, and using multiple methods may have a better result. The autologous fat and stromal vascular fraction (SVF) cells and their secretory factors can enhance the angiogenesis, collagen synthesis, and migration of fibroblasts, therefore regenerate hurt tissues. Moreover, other treatments for acne scarring, such as platelet-rich plasma (PRP), induce the increase in scare. AIMS This study aimed to verify the effectiveness of transplantation of autologous fat, SVF cells, and PRP as cell therapy techniques on atrophic acne scars. PATIENTS/METHODS This study included 9 adult patients with atrophic acne scars on face. All patients received the transplantation of autologous fat, stromal vascular fraction (SVF) cells, and PRP. The treatment outcome was measured by biometric assessment (VisioFace 1000 D, Colorimeter, multi-probe adapter Cutometer, Tewameter, Mexameter, and skin ultrasound imaging system), and also, the satisfaction of patients was evaluated. The patients were followed 6 months after the treatment. RESULTS There was a significant improvement in the skin pores, spots, skin lightness and melanin content of skin, skin elasticity, and TEWL (transepidermal water loss) after 6 months of the treatment. Furthermore, denser skin layers were observed both in the epidermis and in the dermis. Moreover, 66.6% of patients showed good satisfaction after the treatment. CONCLUSION In brief, the transplantation of autologous fat, SVF cells, and PRP is an effective cell therapy for atrophic acne scars.
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Affiliation(s)
- Mohammad Ali Nilforoushzadeh
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Jordan Dermatology and Hair Transplantation Center, Tehran, Iran
| | - Maryam Heidari-Kharaji
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Jordan Dermatology and Hair Transplantation Center, Tehran, Iran
| | - Shiva Alavi
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Nouri
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Nahid Nikkhah
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Faezeh Jahangiri
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mona Mahmoudbeyk
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Aisan Peyrovan
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Batool Baiat Tork
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elham Torkamaniha
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran.,Jordan Dermatology and Hair Transplantation Center, Tehran, Iran
| | - Sona Zare
- Skin and Stem Cell Research Center, Tehran University of Medical Sciences, Tehran, Iran
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13
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Neovascularization and tissue regeneration by endothelial progenitor cells in ischemic stroke. Neurol Sci 2021; 42:3585-3593. [PMID: 34216308 DOI: 10.1007/s10072-021-05428-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 06/19/2021] [Indexed: 12/26/2022]
Abstract
Endothelial progenitor cells (EPCs) are immature endothelial cells (ECs) capable of proliferating and differentiating into mature ECs. These progenitor cells migrate from bone marrow (BM) after vascular injury to ischemic areas, where they participate in the repair of injured endothelium and new blood vessel formation. EPCs also secrete a series of protective cytokines and growth factors that support cell survival and tissue regeneration. Thus, EPCs provide novel and promising potential therapies to treat vascular disease, including ischemic stroke. However, EPCs are tightly regulated during the process of vascular repair and regeneration by numerous endogenous cytokines that are associated closely with the therapeutic efficacy of the progenitor cells. The regenerative capacity of EPCs also is affected by a range of exogenous factors and drugs as well as vascular risk factors. Understanding the functional properties of EPCs and the factors related to their regenerative capacity will facilitate better use of these progenitor cells in treating vascular disease. Here, we review the current knowledge of EPCs in cerebral neovascularization and tissue regeneration after cerebral ischemia and the factors associated with their regenerative function to better understand the underlying mechanisms and provide more effective strategies for the use of EPCs in treating ischemic stroke.
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14
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Salehi MS, Safari A, Pandamooz S, Jurek B, Hooshmandi E, Owjfard M, Bayat M, Zafarmand SS, Miyan JA, Borhani-Haghighi A. The Beneficial Potential of Genetically Modified Stem Cells in the Treatment of Stroke: a Review. Stem Cell Rev Rep 2021; 18:412-440. [PMID: 34033001 PMCID: PMC8144279 DOI: 10.1007/s12015-021-10175-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/26/2021] [Indexed: 12/16/2022]
Abstract
The last two decades have witnessed a surge in investigations proposing stem cells as a promising strategy to treat stroke. Since growth factor release is considered as one of the most important aspects of cell-based therapy, stem cells over-expressing growth factors are hypothesized to yield higher levels of therapeutic efficiency. In pre-clinical studies of the last 15 years that were investigating the efficiency of stem cell therapy for stroke, a variety of stem cell types were genetically modified to over-express various factors. In this review we summarize the current knowledge on the therapeutic efficiency of stem cell-derived growth factors, encompassing techniques employed and time points to evaluate. In addition, we discuss several types of stem cells, including the recently developed model of epidermal neural crest stem cells, and genetically modified stem cells over-expressing specific factors, which could elevate the restorative potential of naive stem cells. The restorative potential is based on enhanced survival/differentiation potential of transplanted cells, apoptosis inhibition, infarct volume reduction, neovascularization or functional improvement. Since the majority of studies have focused on the short-term curative effects of genetically engineered stem cells, we emphasize the need to address their long-term impact.
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Affiliation(s)
- Mohammad Saied Salehi
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Anahid Safari
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Sareh Pandamooz
- Stem Cells Technology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Benjamin Jurek
- Institute of Molecular and Cellular Anatomy, University of Regensburg, Regensburg, Germany
| | - Etrat Hooshmandi
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Maryam Owjfard
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mahnaz Bayat
- Clinical Neurology Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Jaleel A Miyan
- Faculty of Biology, Division of Neuroscience & Experimental Psychology, The University of Manchester, Manchester, UK
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15
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Liang J, Cui R, Wang J, Shen J, Chen Y, Cao M, Ke K. Intracarotid Transplantation of Skin-Derived Precursor Schwann Cells Promotes Functional Recovery After Acute Ischemic Stroke in Rats. Front Neurol 2021; 12:613547. [PMID: 33633668 PMCID: PMC7902026 DOI: 10.3389/fneur.2021.613547] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2020] [Accepted: 01/13/2021] [Indexed: 12/17/2022] Open
Abstract
Purpose: Skin-derived Precursor Schwann cells (SKP-SCs) have been reported to provide neuroprotection for the injured and dysmyelinated nervous system. However, little is known about SKP-SCs on acute ischemic stroke (AIS). We aimed to explore the efficacy and the potential mechanism of action of SKP-SCs on AIS in a rat ischemic stroke model. Methods: Adult male Sprague–Dawley rats were subjected to a middle cerebral artery occlusion (MCAO) for 1.5 h on Day 0 and subsequently received an intracarotid injection of 2 × 106 green fluorescent protein (GFP) -labeled SKP-SCs or phosphate buffered saline (PBS) during reperfusion. Neurological function was assessed by behavioral tests on Days 1, 4, 7, 14, and 28. In a satellite cohort, rat brains were harvested and infarct volume was measured with 2,3,5-triphenyltetrazolium chloride (TTC) staining on Days 1 and 7, and migration and survival of SKP-SCs in the brain were traced by monitoring green fluorescence at 6 and12 h on Day 0, and on Days 1, 4, 7, 14, and 28. Histopathology and immunofluorescence staining were used to analyze the morphology, survival and apoptosis of neurons. Additionally, in an in vitro SKP-SC co-culture model using fetal rat primary cortical neurons underwent oxygen glucose deprivation/reoxygenation (OGD/R), Western blot was used to detect the expression of apoptosis indicators including activated caspase-3, Bax, and Bcl-2. TUNEL staining was used to count apoptotic cells. Results: Intracarotid transplantation of SKP-SCs effectively migrated to the periinfarct area and survived for at least 4 weeks. Transplanted SKP-SCs inhibited neuronal apoptosis, reduced infarct volume, and improved neurological recovery in the MCAO rats. Moreover, in vitro data showed that SKP-SCs treatment inhibited OGD/R-induced neuronal apoptosis and promoted survival of the cultured primary cortical neurons. Conclusions: Intracarotid transplantation of SKP-SCs promoted functional recovery in the rat AIS model and possesses the potential to be further developed as a novel therapy to treat ischemic stroke in humans.
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Affiliation(s)
- Jingjing Liang
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Ronghui Cui
- Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China.,Nantong University, Nantong, China
| | - Jinglei Wang
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Jiabing Shen
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Ying Chen
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Maosheng Cao
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
| | - Kaifu Ke
- Department of Neurology, Affiliated Hospital of Nantong University, Nantong, China.,Research Center of Clinical Medicine, Affiliated Hospital of Nantong University, Nantong, China
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16
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Chen TY, Wen TK, Dai NT, Hsu SH. Cryogel/hydrogel biomaterials and acupuncture combined to promote diabetic skin wound healing through immunomodulation. Biomaterials 2020; 269:120608. [PMID: 33388690 DOI: 10.1016/j.biomaterials.2020.120608] [Citation(s) in RCA: 88] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 12/14/2020] [Indexed: 12/17/2022]
Abstract
Unhealed chronic wounds often deteriorate into multiple infection with several kinds of bacteria and excessive proteolytic wound exudate and remains one of the common healthcare issues. Here, the functional and antimicrobial hydrogel and cryogel biomaterials were prepared from glycol chitosan and a novel biodegradable Schiff base crosslinker difunctional polyurethane (DF-PU). The cryogel exhibited ~2730 ± 400% of water absorption with abundant macropores and 86.5 ± 1.6% of porosity formed by ice crystal as well as ~240% cell proliferation effect; while the hydrogel demonstrated considerable antimicrobial activity and biodegradability. As an optimized procedure to treat the diabetic skin wound in a rat model, the combined application of adipose stem cell-seeded cryogel/hydrogel biomaterials on the wound and acupuncture surrounding the wound may attain 90.34 ± 2.3% of wound closure and secure the formation of granulation tissue with sufficient microvessels and complete re-epithelialization in 8 days. The average increases in the superficial temperature of wounded animals after acupuncture were about 1-2 °C. Through the activation of C3a and C5a, the increased secretion of cytokines SDF-1 and TGFβ-1, as well as the down-regulation of proinflammatory cytokines TNF-α and IL-1β, the combined treatment of stem cell-seeded cryogel/hydrogel biomaterials and acupuncture on wounds produced synergistic immunomodulatory effects. The strategy using the combined treatment of biomaterials, stem cells, and acupuncture reveals a perspective new approach to accelerate the tissue regeneration.
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Affiliation(s)
- Tsai-Yu Chen
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, ROC
| | - Tsung-Kai Wen
- School of Post-Baccalaureate Chinese Medicine, Tzu Chi University, Hualien, Taiwan, ROC.
| | - Niann-Tzyy Dai
- Division of Plastic and Reconstructive Surgery, Department of Surgery, Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan, ROC.
| | - Shan-Hui Hsu
- Institute of Polymer Science and Engineering, National Taiwan University, Taipei, Taiwan, ROC.
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17
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Integrative Analysis of MAPK14 as a Potential Biomarker for Cardioembolic Stroke. BIOMED RESEARCH INTERNATIONAL 2020; 2020:9502820. [PMID: 32879891 PMCID: PMC7448239 DOI: 10.1155/2020/9502820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/09/2020] [Accepted: 07/15/2020] [Indexed: 01/22/2023]
Abstract
The aim of this study was to obtain the candidate genes and biomarkers that are significantly related to cardioembolic stroke (CS) by applying bioinformatics analysis. In accordance with the results of the weighted gene coexpression network analysis (WGCNA) in the GSE58294 dataset, 11 CS-related coexpression network modules were identified in this study. Correlation analysis showed that the black and pink modules are significantly associated with CS. A total of 18 core genes in the black module and one core gene in the pink module were determined. We then identified differentially expressed genes (DEGs) of CS at 3 h, 5 h, and 24 h postonset. After performing intersection, it was found that 311 genes were coexpressed at these three time points. These genes were majorly enriched in positive regulation of transferase activity and regulation of peptidase activity. The abovementioned coexpressed DEGs were subjected to protein-protein interaction analysis and subnetwork module analysis. Subsequently, we used cytoHubba to obtain 11 key genes from DEGs. The intersection of the core genes screened from WGCNA and the key genes selected from DEGs yielded the MAPK14 gene. The expression level of MAPK14 on the receiver operating characteristic (ROC) curves of CS at 3 h, 5 h, and 24 h showed that the area under the ROC curve (AUC) was 0.923, 0.934, and 0.941, respectively. In a nutshell, MAPK14 screened out by using WGCNA showed differential expression in CS. We conclude that MAPK14 can be used as a potential biological marker of CS and exhibits potential to predict the physiopathological condition of CS patients.
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18
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Endothelial Progenitor Cells as a Marker of Vascular Damage But not a Predictor in Acute Microangiopathy-Associated Stroke. J Clin Med 2020; 9:jcm9072248. [PMID: 32679827 PMCID: PMC7408782 DOI: 10.3390/jcm9072248] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2020] [Revised: 07/13/2020] [Accepted: 07/14/2020] [Indexed: 02/02/2023] Open
Abstract
Background: The aim of the study was to assess the number of endothelial progenitor cells (EPCs) in patients with acute stroke due to cerebral microangiopathy and evaluate whether there is a relationship between their number and clinical status, radiological findings, risk factors, selected biochemical parameters, and prognosis, both in ischemic and hemorrhagic stroke. Methods: In total, 66 patients with lacunar ischemic stroke, 38 patients with typical location hemorrhagic stroke, and 22 subjects from the control group without acute cerebrovascular incidents were included in the prospective observational study. The number of EPCs was determined in serum on the first and eighth day after stroke onset using flow cytometry and identified with the immune-phenotype classification determinant (CD)45−, CD34+, CD133+. Results: We demonstrated a significantly higher number of EPCs on the first day of stroke compared to the control group (med. 17.75 cells/µL (0–488 cells/µL) vs. 5.24 cells/µL (0–95 cells/µL); p = 0.0006). We did not find a relationship between the number of EPCs in the acute phase of stroke and the biochemical parameters, vascular risk factors, or clinical condition. In females, the higher number of EPCs on the first day of stroke is related to a favorable functional outcome on the eighth day after the stroke onset compared to males (p = 0.0355). We found that a higher volume of the hemorrhagic focus on the first day was correlated with a lower number of EPCs on the first day (correlation coefficient (R) = −0.3378, p = 0.0471), and a higher number of EPCs on the first day of the hemorrhagic stroke was correlated with a lower degree of regression of the hemorrhagic focus (R = −0.3896, p = 0.0367). Conclusion: The study showed that endothelial progenitor cells are an early marker in acute microangiopathy-associated stroke regardless of etiology and may affect the radiological findings in hemorrhagic stroke. Nevertheless, their prognostic value remains doubtful in stroke patients.
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19
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Hsieh DJY, Marte L, Kuo WW, Ju DT, Chen WST, Kuo CH, Day CH, Mahalakshmi B, Liao PH, Huang CY. Epigallocatechin-3-gallate preconditioned Adipose-derived Stem Cells confer Neuroprotection in aging rat brain. Int J Med Sci 2020; 17:1916-1926. [PMID: 32788870 PMCID: PMC7415384 DOI: 10.7150/ijms.46696] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 07/10/2020] [Indexed: 11/30/2022] Open
Abstract
Aging is the most important current issue and is usually accompanied by complications, such as cardiovascular disorders and neurodegenerative diseases, which are the leading causes of death worldwide and the second major cause of death in Taiwan. In this study, we have investigated the protective effect of adipose-derived mesenchymal stem cells (ADSCs) and the role of epigallocatechin gallate (EGCG) in enhancing this effect in aging cerebral cortex of rats. Further, we attempted to elucidate the molecular mechanism through which EGCG influences the protective effects of ADSC. ADSCs, co-cultured with EGCG, were injected into 20-month-old Wistar rats. Hematoxylin and eosin staining of the cerebral cortex revealed noticeable neurogenic activity and visible improvements in the integrity of the pre-frontal cortex tissue, compared to that in rats treated with ADSCs alone. Western blot analysis confirmed that ADSC, co-cultured with EGCG, enhanced cell survival via the p-Akt pathway and improved mitochondrial biogenesis via the SIRT-1 pathway. Moreover, it increased the available brain-derived neurotrophic factor to a higher degree than that in the ADSC group. Furthermore, western blotting showed that EGCG improved the antioxidant activity of the ADSCs in the cortex tissues via the Nrf-2 and HO-1 pathway. Based on these findings, we propose that this variation in stem cell treatment may facilitate functional recovery and enhanced neuroprotection in aged brains.
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Affiliation(s)
- Dennis Jine-Yuan Hsieh
- School of Medical Laboratory and Biotechnology, Chung Shan Medical University, Taichung, 402, Taiwan.,Clinical Laboratory, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Lawrence Marte
- Department of Healthcare Administration, Asia University, Taichung, 413, Taiwan
| | - Wei-Wen Kuo
- Department of Biological Science and Technology, China Medical University, 404, Taichung, Taiwan
| | - Da-Tong Ju
- Department of Neurological Surgery,Tri-Service General Hospital, National Defense Medical Center, Taipei, Taiwan
| | - William Shao-Tsu Chen
- Department of Psychiatry, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan.,School of Medicine Tzu Chi University, Hualien 970, Taiwan
| | - Chia-Hua Kuo
- Department of Sports Sciences, University of Taipei, Taipei, 111, Taiwan
| | | | - B Mahalakshmi
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
| | - Po-Hsiang Liao
- Division of General Surgery, Department of Surgery, Shuang Ho Hospital, Taipei Medical University, New Taipei, 235, Taiwan
| | - Chih-Yang Huang
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, 404, Taiwan.,Department of Biological Science and Technology, Asia University, Taichung 413, Taiwan.,Cardiovascular and Mitochondria related diseases research center, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien 970, Taiwan.,Center of General Education, Buddhist Tzu Chi Medical Foundation, Tzu Chi University of Science and Technology, Hualien 970, Taiwan
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20
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Peng C, Lu L, Li Y, Hu J. Neurospheres Induced from Human Adipose-Derived Stem Cells as a New Source of Neural Progenitor Cells. Cell Transplant 2019; 28:66S-75S. [PMID: 31813268 PMCID: PMC7016463 DOI: 10.1177/0963689719888619] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2019] [Revised: 10/23/2019] [Accepted: 10/24/2019] [Indexed: 12/12/2022] Open
Abstract
Human adipose-derived stem cells are used in regenerative medicine for treating various diseases including osteoarthritis, degenerative arthritis, cartilage or tendon injury, etc. However, their use in neurological disorders is limited, probably due to the lack of a quick and efficient induction method of transforming these cells into neural stem or progenitor cells. In this study, we reported a highly efficient and simple method to induce adipose-derived stem cells into neural progenitor cells within 12 hours, using serum-free culture combined with a well-defined induction medium (epidermal growth factor 20 ng/ml and basic fibroblast growth factor, both at 20 ng/ml, with N2 and B27 supplements). These adipose-derived stem cell-derived neural progenitor cells grow as neurospheres, can self-renew to form secondary neurospheres, and can be induced to become neurons and glial cells. Real-time polymerase chain reaction showed significantly upregulated expression of neurogenic genes Sox2 and Nestin with a moderate increase in stemness gene expression. Raybio human growth factor analysis showed a significantly upregulated expression of multiple neurogenic and angiogenic cytokines such as brain-derived neurotrophic factor, glial cell line-derived neurotrophic growth factor, nerve growth factor, basic fibroblast growth factor and vascular endothelial growth factor etc. Therefore, adipose-derived stem cell-derived neurospheres can be a new source of neural progenitor cells and hold great potential for future cell replacement therapy for treatment of various refractory neurological diseases.
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Affiliation(s)
- Chunyang Peng
- Emergency Internal Medicine Department, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Stem Cell Center, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Li Lu
- Stem Cell Center, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Cardiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yajiao Li
- Stem Cell Center, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
- Department of Oncology, Xiangfan Central Hospital, Xiangfan, Hubei, China
| | - Jingqiong Hu
- Stem Cell Center, Union Hospital, Huazhong University of Science and Technology, Wuhan, Hubei, China
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21
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Diekhorst L, Gómez-de Frutos MC, Laso-García F, Otero-Ortega L, Fuentes B, Jolkkonen J, Detante O, Moisan A, Leyva L, Martínez-Arroyo A, Díez-Tejedor E, Gutiérrez-Fernández M. Mesenchymal Stem Cells From Adipose Tissue Do not Improve Functional Recovery After Ischemic Stroke in Hypertensive Rats. Stroke 2019; 51:342-346. [PMID: 31694504 DOI: 10.1161/strokeaha.119.027133] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background and Purpose- Hypertension is the most frequent comorbidity in stroke.The purpose of this study was to evaluate whether hypertension alters the response to treatment with adipose tissue-derived mesenchymal stem cells (ADMSCs) after an ischemic stroke in rats. Methods- Ischemic stroke was induced in male normotensive or hypertensive rats. Either vehicle or 1×106 ADMSC was intravenously administered at 48 hours poststroke. Functional outcome, lesion size and volume, and markers of brain repair (GFAP [glial fibrillary acidic protein], doublecortin, CD-31, α-smooth muscle actin) were evaluated. Results- Hypertensive rats had larger lesions, higher apparent diffusion coefficients (ADC) and worse functional outcomes than normotensive rats. Hypertension increased GFAP and vascular markers (CD-31 and α-smooth muscle actin). The hypertensive rats treated with ADMSC did not show any significant improvement in functional recovery, lesion size, ADC values, or histological markers compared with those which received the vehicle. Conclusions- ADMSC did not reverse the hypertension-induced increase in lesion severity or functional impairment. Gliosis, neurogenesis, or vascular markers were not affected by ADMSC in hypertensive rats. Hypertension has a negative impact on the therapeutic effect of ADMSC after an ischemic stroke.
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Affiliation(s)
- Luke Diekhorst
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Mari Carmen Gómez-de Frutos
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Fernando Laso-García
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Laura Otero-Ortega
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Blanca Fuentes
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Jukka Jolkkonen
- Department of Neurology, University of Eastern Finland, Kuopio University Hospital (J.J.)
| | - Olivier Detante
- Stroke Unit, Neurology Department, Grenoble Hospital, France (O.D.).,Grenoble Institute of Neurosciences, Inserm U1216, Grenoble Alpes University, France (O.D., A.M.)
| | - Anaick Moisan
- Grenoble Institute of Neurosciences, Inserm U1216, Grenoble Alpes University, France (O.D., A.M.).,Cell Therapy and Engineering Unit, EFS Auvergne Rhône Alpes, Saint-Ismier, France (A.M.)
| | - Laura Leyva
- Instituto de Investigación Biomédica de Málaga-IBIMA, Hospital Regional Universitario de Málaga, Spain (L.L.)
| | - Arturo Martínez-Arroyo
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - Exuperio Díez-Tejedor
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
| | - María Gutiérrez-Fernández
- From the Neuroscience and Cerebrovascular Research Laboratory, Department of Neurology and Stroke Center, La Paz University Hospital, Neuroscience Area of IdiPAZ Health Research Institute, Autonomous University of Madrid (UAM), Madrid, Spain (L.D., M.C.G.-d.F., F.L.-G., L.O.-O., B.F., A.M.-A., E.D.-T., M.G.-F.)
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22
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Ling X, Zhang G, Xia Y, Zhu Q, Zhang J, Li Q, Niu X, Hu G, Yang Y, Wang Y, Deng Z. Exosomes from human urine-derived stem cells enhanced neurogenesis via miR-26a/HDAC6 axis after ischaemic stroke. J Cell Mol Med 2019; 24:640-654. [PMID: 31667951 PMCID: PMC6933407 DOI: 10.1111/jcmm.14774] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 09/08/2019] [Accepted: 09/29/2019] [Indexed: 12/19/2022] Open
Abstract
Endogenous neurogenesis holds promise for brain repair and long‐term functional recovery after ischaemic stroke. However, the effects of exosomes from human urine‐derived stem cells (USC‐Exos) in neurogenesis remain unclear. This study aimed to investigate whether USC‐Exos enhanced neurogenesis and promoted functional recovery in brain ischaemia. By using an experimental stroke rat model, we found that intravenous injection of USC‐Exos enhanced neurogenesis and alleviated neurological deficits in post‐ischaemic stroke rats. We used neural stem cells (NSCs) subjected to oxygen‐glucose deprivation/reoxygenation (OGD/R) as an in vitro model of ischaemic stroke. The in vitro results suggested that USC‐Exos promoted both proliferation and neuronal differentiation of NSCs after OGD/R. Notably, a further mechanism study revealed that the pro‐neurogenesis effects of USC‐Exos may be partially attributed to histone deacetylase 6 (HDAC6) inhibition via the transfer of exosomal microRNA‐26a (miR‐26a). Taken together, this study indicates that USC‐Exos can be used as a novel promising strategy for brain ischaemia, which highlights the application of USC‐Exos.
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Affiliation(s)
- Xiaozheng Ling
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Guowei Zhang
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China.,Department of Neurosurgery, Tai'an City Central Hospital, Tai'an, China
| | - Yuguo Xia
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Qingwei Zhu
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China.,Department of Neurosurgery, Shanghai First People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Juntao Zhang
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Qing Li
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Xin Niu
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Guowen Hu
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Yunlong Yang
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Yang Wang
- Institute of Microsurgery on Extremities, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
| | - Zhifeng Deng
- Department of Neurosurgery, Shanghai Jiao Tong University Affiliated Sixth People' Hospital, Shanghai, China
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23
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Kumar A, Xu Y, Yang E, Wang Y, Du Y. Fidelity of long-term cryopreserved adipose-derived stem cells for differentiation into cells of ocular and other lineages. Exp Eye Res 2019; 189:107860. [PMID: 31655040 DOI: 10.1016/j.exer.2019.107860] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2019] [Revised: 10/11/2019] [Accepted: 10/22/2019] [Indexed: 02/08/2023]
Abstract
Adipose-Derived Stem Cells (ADSCs) have an important contribution in regenerative medicine ranging from testing stem cell therapy for disease treatment in pre-clinical models to clinical trials. For immediate use of stem cells for therapy, there is a requirement of the high dose of stem cells at different time points which can be met by cryopreservation. In this study, we evaluated the characteristics of long-term cryopreserved ADSCs and their regenerative potential after an average of twelve-year cryopreservation. Revived ADSCs were examined for cell viability and proliferation by trypan blue, Calcein/Hoechst and MTT assay. Expression of stem cell markers was examined by flow cytometry, immunostaining and qPCR. Colony forming efficiency and spheroid formation ability were also assessed. Multilineage differentiation potential was evaluated by induction into osteocytes, adipocytes, neural cells, corneal keratocytes and trabecular meshwork (TM) cells. Post-thaw, ADSCs maintained expression of stem cell markers CD90, CD73, CD105, CD166, NOTCH1, STRO-1, ABCG2, OCT4, KLF4. ADSCs retained colony and spheroid forming potential. These cells were able to differentiate into osteocytes, confirmed by Alizarin Red S staining and elevated expression of osteocalcin and osteopontin; into adipocytes by Oil Red O staining and elevated expression of PPARγ2. ADSCs could differentiate into neural cells, stained positive to β-III tubulin, neurofilament, GFAP as well as elevated expression of nestin and neurofilament mRNAs. ADSCs could also give rise to corneal keratocytes expressing keratocan, keratan sulfate, ALDH and collagen V, and to TM cells expressing CHI3L1 and AQP1. Differentiated TM cells responded to dexamethasone treatment with increased Myocilin expression, which could be used as in vitro glaucoma model for further studies. Conditioned medium from ADSCs was found to impart a regenerative effect on primary TM cells. In conclusion, ADSCs maintained their stemness and multipotency after long-term cryopreservation with variability between different donors. This study can have great repercussions in regenerative medicine and pave the way for future clinical trials using cryopreserved ADSCs.
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Affiliation(s)
- Ajay Kumar
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Yi Xu
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Enzhi Yang
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, 15213, USA
| | - Yiwen Wang
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, 15213, USA; Department of Ophthalmology, Xiangya Hospital, Central South University, Changsha, Hunan, 410008, China
| | - Yiqin Du
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, 15213, USA; Department of Developmental Biology, University of Pittsburgh, Pittsburgh, PA, 15213, USA; McGowan Institute for Regenerative Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
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24
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Ryu S, Lee JM, Bae CA, Moon CE, Cho KO. Therapeutic efficacy of neuregulin 1-expressing human adipose-derived mesenchymal stem cells for ischemic stroke. PLoS One 2019; 14:e0222587. [PMID: 31560696 PMCID: PMC6764745 DOI: 10.1371/journal.pone.0222587] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Accepted: 09/02/2019] [Indexed: 12/22/2022] Open
Abstract
Adipose-derived mesenchymal stem cells (AdMSCs) have been reported to ameliorate neurological deficits after acute ischemic stroke. As neuregulin 1 (NRG1, or heregulin 1), a growth factor with versatile functions in the central nervous system, has demonstrated protective effects against ischemic brain injuries, we have generated NRG1-overexpressing AdMSCs in order to investigate whether NRG1-AdMSCs could enhance therapeutic benefits of AdMSCs in ischemic stroke. After AdMSCs were infected with adenoviral NRG1, increased NRG1 secretion in NRG1-AdMSCs was confirmed with ELISA. At 1 d after ischemic stroke that was induced by the occlusion of middle cerebral artery (MCAo) for 60 min in Sprague Dawley (SD) rats, adenoviral NRG1, AdMSCs, NRG1-AdMSCs, or PBS were injected into the striatum and serial neurologic examinations were performed. Administration of NRG1-AdMSCs resulted in significant improvement of functional outcome following stroke compared to AdMSCs- or adenoviral NRG1-treated group, in addition to the reduction in the infarct size evaluated by hematoxylin and eosin staining. When NRG1 expression in the brain was examined by double immunofluorescence to human nuclei (HuNu)/NRG1 and ELISA, NRG1-AdMSCs demonstrated marked increase in NRG1 expression. Moreover, western blot analysis further showed that transplantation of NRG1-AdMSCs significantly increased both endogenous and adenoviral NRG1 expression compared to AdMSCs-treated group. To elucidate molecular mechanisms, NRG1-associated downstream molecules were evaluated by western blot analysis. Expression of ErbB4, a receptor for NRG1, was markedly increased by NRG1-AdMSCs administration, in addition to pMAPK and pAkt, crucial molecules of NRG1-ErbB4 signaling. Taken together, our data suggest that NRG1-AdMSCs can provide excellent therapeutic potential in ischemic stroke by activating NRG1-ErbB4 signaling network.
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Affiliation(s)
- Sun Ryu
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Jae-Min Lee
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Cheong A. Bae
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Chae-Eun Moon
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Kyung-Ok Cho
- Department of Pharmacology, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Catholic Neuroscience Institute, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Department of Biomedicine & Health Sciences, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- Institute of Aging and Metabolic Diseases, College of Medicine, The Catholic University of Korea, Seoul, South Korea
- * E-mail:
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25
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Grünherz L, Sanchez-Macedo N, Frueh FS, McLuckie M, Lindenblatt N. Nanofat applications: from clinical esthetics to regenerative research. CURRENT OPINION IN BIOMEDICAL ENGINEERING 2019. [DOI: 10.1016/j.cobme.2019.07.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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26
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Li G, Yu H, Liu N, Zhang P, Tang Y, Hu Y, Zhang Y, Pan C, Deng H, Wang J, Li Q, Tang Z. Overexpression of CX3CR1 in Adipose-Derived Stem Cells Promotes Cell Migration and Functional Recovery After Experimental Intracerebral Hemorrhage. Front Neurosci 2019; 13:462. [PMID: 31133793 PMCID: PMC6517499 DOI: 10.3389/fnins.2019.00462] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Accepted: 04/24/2019] [Indexed: 12/13/2022] Open
Abstract
Stem cell therapy has emerged as a new promising therapeutic strategy for intracerebral hemorrhage (ICH). However, the efficiency of stem cell therapy is partially limited by low retention and engraftment of the delivered cells. Therefore, it’s necessary to improve the migration ability of stem cells to the injured area in order to save the costs and duration of cell preparation. This study aimed to investigate whether overexpression of CX3CR1, the specific receptor of chemokine fractalkine (FKN), in adipose-derived stem cells (ADSCs) can stimulate the cell migration to the injured area in the brain, improve functional recovery and protect against cell death following experimental ICH. ADSCs were isolated from subcutaneous adipose tissues of rats. ICH was induced by means of an injection of collagenase type VII. ELISA showed that the expression levels of fractalkine/FKN were increased at early time points, with a peak at day 3 after ICH. And it was found that different passages of ADSCs could express the chemokine receptor CX3CR1. Besides, the chemotactic movements of ADSCs toward fractalkine have been verified by transwell migration assay. ADSCs overexpressing CX3CR1 were established through lentivirus transfection. We found that after overexpression of CX3CR1 receptor, the migration ability of ADSCs was increased both in vitro and in vivo. In addition, reduced cell death and improved sensory and motor functions were seen in the mice ICH model. Thus, ADSCs overexpression CX3CR1 might be taken as a promising therapeutic strategy for the treatment of ICH.
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Affiliation(s)
- Gaigai Li
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Haihan Yu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Na Liu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ping Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yingxin Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Hu
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ye Zhang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chao Pan
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hong Deng
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Jiahui Wang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qi Li
- Department of Neurology, The First Affiliated Hospital of Chongqing Medical University, Chongqing, China
| | - Zhouping Tang
- Department of Neurology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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27
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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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28
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Evaluation of the Safety and Efficacy of the Therapeutic Potential of Adipose-Derived Stem Cells Injected in the Cerebral Ischemic Penumbra. J Stroke Cerebrovasc Dis 2018; 27:2453-2465. [PMID: 30029838 DOI: 10.1016/j.jstrokecerebrovasdis.2018.05.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 04/24/2018] [Accepted: 05/01/2018] [Indexed: 01/01/2023] Open
Abstract
INTRODUCTION Stroke represents an attractive target for cell therapy. Although different types of cells have been employed in animal models with variable results, the human adipose-derived stem cells (hASCs) have demonstrated favorable characteristics in the treatment of diseases with inflammatory substrate, but experience in their intracerebral administration is lacking. The purpose of this study is to evaluate the effect and safety of the intracerebral application of hASCs in a stroke model. METHODS A first group of Athymic Nude mice after stroke received a stereotactic injection of hASCs at a concentration of 4 × 104/µL at the penumbra area, a second group without stroke received the same cell concentration, and a third group had only stroke and no cells. After 7, 15, and 30 days, the animals underwent fluorodeoxyglucose-positron emission tomography and magnetic resonance imaging; subsequently, they were sacrificed for histological evaluation (HuNu, GFAP, IBA-1, Ki67, DCX) of the penumbra area and ipsilateral subventricular zone (iSVZ). RESULTS The in vitro studies found no alterations in the molecular karyotype, clonogenic capacity, and expression of 62 kDa transcription factor and telomerase. Animals implanted with cells showed no adverse events. The implanted cells showed no evidence of proliferation or differentiation. However, there was an increase of capillaries, less astrocytes and microglia, and increased bromodeoxyuridine and doublecortin-positive cells in the iSVZ and in the vicinity of ischemic injury. CONCLUSIONS These results suggest that hASCs in the implanted dose modulate inflammation, promote endogenous neurogenesis, and do not proliferate or migrate in the brain. These data confirm the safety of cell therapy with hASCs.
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29
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Ghazavi H, Hoseini SJ, Ebrahimzadeh-Bideskan A, Mashkani B, Mehri S, Ghorbani A, Sadri K, Mahdipour E, Ghasemi F, Forouzanfar F, Hoseini A, Pasdar AR, Sadeghnia HR, Ghayour-Mobarhan M. Fibroblast Growth Factor Type 1 (FGF1)-Overexpressed Adipose-Derived Mesenchaymal Stem Cells (AD-MSC FGF1) Induce Neuroprotection and Functional Recovery in a Rat Stroke Model. Stem Cell Rev Rep 2018; 13:670-685. [PMID: 28795363 DOI: 10.1007/s12015-017-9755-z] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Stroke, as the second most common cause of death, imposes a great financial burden on both the individual and society. Mesenchymal stem cells from rodents have demonstrated efficacy in experimental animal models of stroke due to enhanced neurological recovery. Since FGF1 (fibroblast growth factor 1) displays neuroprotective properties, for the first time, we investigated the effect of acute intravenous administration of FGF1 gene transfected adipose-derived mesenchymal stem cell (AD-MSCFGF1) on transient experimental ischemic stroke in rats. Stroke induction was made by transient middle cerebral artery occlusion (tMCAO). 2 × 106 AD-MSCFGF1 was administrated intravenously 30 min after carotid reperfusion. The ability of technetium99m-hexamethyl propylene amine oxime (99mTc-HMPAO)-labeled AD-MSCFGF1 to enter into ischemic brain was evaluated 2 h post injection. 24 h post operation, the neurological recovery (rotarod and Roger's tests), the infarct volume (2, 3, 5-triphenyltetrazolium chloride, TTC assay), apoptosis rate (TUNEL assay), and the expression of FGF1 protein (western blotting) in the ischemic hemisphere were assessed. The 99mTc-HMPAO-labeled AD-MSCFGF1 could enter into the ischemic brain. Ischemic hemisphere activity was significantly higher than that observed in the contralateral hemisphere (p = 0.002). The administration of AD-MSCFGF1 resulted in significant improvement of neurological function tests and increased density of FGF1 protein in the peri-infarct area, while the infarct volume and the apoptotic index were significantly decreased, in comparison to the other treated groups. In conclusion, acute intravenous administration of AD-MSCFGF1 can be a novel and promising candidate approach for the treatment of ischemic stroke.
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Affiliation(s)
- Hamed Ghazavi
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Seyed Javad Hoseini
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Baratali Mashkani
- Department of Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Soghra Mehri
- Pharmaceutical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ahmad Ghorbani
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Kayvan Sadri
- Nuclear Medicine Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Elahe Mahdipour
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Faezeh Ghasemi
- Department of Biotechnology, Faculty of Medicine, Arak University of Medical Sciences, Arak, Iran
| | - Fatemeh Forouzanfar
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Azar Hoseini
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Reza Pasdar
- Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamid Reza Sadeghnia
- Department of Pharmacology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. .,Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. .,Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, 99199-91766, Iran.
| | - Majid Ghayour-Mobarhan
- Department of Modern Sciences and Technologies, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran. .,Biochemistry of Nutrition Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, 99199-91766, Iran. .,Cardiovascular Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.
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Uyulmaz S, Sanchez Macedo N, Rezaeian F, Giovanoli P, Lindenblatt N. Nanofat Grafting for Scar Treatment and Skin Quality Improvement. Aesthet Surg J 2018; 38:421-428. [PMID: 29365061 DOI: 10.1093/asj/sjx183] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Fat grafting has been gaining attention in tissue augmentation over the past decade, not only for lipofilling, but also for its observed regenerative properties and overall skin texture improvement. OBJECTIVES The aim of this study was to analyze the effect of nanofat grafting on scars, wrinkles, and skin discolorations in our clinic. METHODS Nanofat was prepared by a standard emulsification and filtration protocol. The resulting liquid was injected intradermally or directly into the scar tissue. Skin quality was evaluated based on a scoring system, and patient satisfaction was documented. Three physicians compared and analyzed standardized pre- and posttreatment photographs in respect to general improvement of skin aesthetics. RESULTS Fifty-two patients were treated with nanofat from November 2013 to April 2016. The mean (± standard deviation) posttreatment follow up was 155 ± 49 days and average volume of harvested fat amounted to 165 cc. The primary harvesting areas were the abdomen and flanks, and the injected volume of nanofat ranged from 1 to 25 mL (mean, 4.6 mL). A total of 40 scars (76% of all patient defects) were effectively treated as well as 6 patients with wrinkles, and 6 patients with discoloration. Posttreatment clinical evaluations showed a marked improvement of scar quality and a high patient satisfaction. The results in our clinic showed that nanofat grafting softened the scars, made discolorations less pronounced, and wrinkles appeared less prominent. CONCLUSIONS Nanofat grafting has been shown to have beneficial effects in the treatment of scars, wrinkles, and skin discolorations. LEVEL OF EVIDENCE 4
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Affiliation(s)
- Semra Uyulmaz
- Division of Plastic and Hand Surgery, Department of Surgery, University Hospital Zurich, Zürich, Switzerland
| | - Nadia Sanchez Macedo
- Division of Plastic and Hand Surgery, Department of Surgery, University Hospital Zurich, Zürich, Switzerland
| | - Farid Rezaeian
- Division of Plastic and Hand Surgery, Department of Surgery, University Hospital Zurich, Zürich, Switzerland
| | - Pietro Giovanoli
- Division of Plastic and Hand Surgery, Department of Surgery, University Hospital Zurich, Zürich, Switzerland
| | - Nicole Lindenblatt
- Division of Plastic and Hand Surgery, Department of Surgery, University Hospital Zurich, Zürich, Switzerland
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Huang H, Lin F, Jiang J, Chen Y, Mei A, Zhu P. Effects of intra-arterial transplantation of adipose-derived stem cells on the expression of netrin-1 and its receptor DCC in the peri-infarct cortex after experimental stroke. Stem Cell Res Ther 2017; 8:223. [PMID: 29017609 PMCID: PMC5633888 DOI: 10.1186/s13287-017-0671-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 09/11/2017] [Accepted: 09/13/2017] [Indexed: 12/16/2022] Open
Abstract
Background Stem cell transplantation has been documented to promote functional recovery in animal models of stroke; however, the underlying mechanisms are not yet fully understood. As netrin-1 and its receptor deleted in colorectal cancer (DCC) are important regulators in neuronal and vascular activities, the present study attempted to explore whether netrin-1 and DCC are involved in the neuroprotection of stem cell-based therapies in a rat ischemic stroke model. Methods Adult male Sprague–Dawley rats were subjected to a transient middle cerebral artery occlusion (MCAO) and subsequently received an intra-arterial injection of 2 × 106 PKH26-labeled adipose-derived stem cells (ADSCs) or saline 24 h later. Neurological function was evaluated by behavioral tests before the rats were sacrificed at days 7 and 14 after MCAO. The migration of ADSCs and regeneration of neuronal fibers and blood vessels were determined by immunofluorescence staining. The expression of netrin-1 and DCC was analyzed by Western blot and immunofluorescence staining. Results ADSC transplantation significantly improved the neurological recovery at days 7 and 14, and noticeably promoted the regeneration of neuronal fibers and blood vessels in the peri-infarct cortex at day 14. PKH26-labeled ADSCs located mainly in the peri-infarct area at days 7 and 14. In ADSC-treated rats, the expression of netrin-1 and DCC significantly increased in the peri-infarct cortex at days 7 and 14. Immunofluorescence staining showed that netrin-1 was mainly expressed by neuronal perikaryal in the peri-infarct cortex, and DCC was mainly expressed by neuronal fibers and was present around the blood vessels in the peri-infarct cortex. Conclusions These findings suggest that ADSC transplantation facilitates the regeneration of neuronal fibers and blood vessels in the peri-infarct cortex and improves neurological functions, which may be attributed, at least in part, to the involvement of upregulated netrin-1 and DCC in the remodeling of neuronal and vascular networks in the peri-infarct cortex.
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Affiliation(s)
- Huan Huang
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Provincial Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Fujian Key Laboratory of Geriatrics, 134 Dongjie Road, Fuzhou, Fujian, 350001, China
| | - Fan Lin
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Provincial Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Fujian Key Laboratory of Geriatrics, 134 Dongjie Road, Fuzhou, Fujian, 350001, China
| | - Jingjing Jiang
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China
| | - Yan Chen
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Provincial Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Fujian Key Laboratory of Geriatrics, 134 Dongjie Road, Fuzhou, Fujian, 350001, China
| | - Ainong Mei
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Provincial Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.,Fujian Key Laboratory of Geriatrics, 134 Dongjie Road, Fuzhou, Fujian, 350001, China
| | - Pengli Zhu
- Department of Geriatric Medicine, Fujian Provincial Hospital, 134 Dongjie Road, Fuzhou, Fujian, 350001, China. .,Provincial Clinical Medical College of Fujian Medical University, 134 Dongjie Road, Fuzhou, Fujian, 350001, China. .,Fujian Key Laboratory of Geriatrics, 134 Dongjie Road, Fuzhou, Fujian, 350001, China.
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Yamawaki-Ogata A, Oshima H, Usui A, Narita Y. Bone marrow–derived mesenchymal stromal cells regress aortic aneurysm via the NF-kB, Smad3 and Akt signaling pathways. Cytotherapy 2017; 19:1167-1175. [DOI: 10.1016/j.jcyt.2017.07.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 07/19/2017] [Accepted: 07/28/2017] [Indexed: 12/11/2022]
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Endothelial Progenitor Cells for Ischemic Stroke: Update on Basic Research and Application. Stem Cells Int 2017; 2017:2193432. [PMID: 28900446 PMCID: PMC5576438 DOI: 10.1155/2017/2193432] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 07/03/2017] [Indexed: 01/14/2023] Open
Abstract
Ischemic stroke is one of the leading causes of human death and disability worldwide. So far, ultra-early thrombolytic therapy is the most effective treatment. However, most patients still live with varying degrees of neurological dysfunction due to its narrow therapeutic time window. It has been confirmed in many studies that endothelial progenitor cells (EPCs), as a kind of adult stem cells, can protect the neurovascular unit by repairing the vascular endothelium and its secretory function, which contribute to the recovery of neurological function after an ischemic stroke. This paper reviews the basic researches and clinical trials of EPCs especially in the field of ischemic stroke and addresses the combination of EPC application with new technologies, including neurovascular intervention, synthetic particles, cytokines, and EPC modification, with the aim of shedding some light on the application of EPCs in treating ischemic stroke in the future.
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Stem cell therapy for abrogating stroke-induced neuroinflammation and relevant secondary cell death mechanisms. Prog Neurobiol 2017; 158:94-131. [PMID: 28743464 DOI: 10.1016/j.pneurobio.2017.07.004] [Citation(s) in RCA: 171] [Impact Index Per Article: 24.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2017] [Revised: 07/18/2017] [Accepted: 07/18/2017] [Indexed: 12/13/2022]
Abstract
Ischemic stroke is a leading cause of death worldwide. A key secondary cell death mechanism mediating neurological damage following the initial episode of ischemic stroke is the upregulation of endogenous neuroinflammatory processes to levels that destroy hypoxic tissue local to the area of insult, induce apoptosis, and initiate a feedback loop of inflammatory cascades that can expand the region of damage. Stem cell therapy has emerged as an experimental treatment for stroke, and accumulating evidence supports the therapeutic efficacy of stem cells to abrogate stroke-induced inflammation. In this review, we investigate clinically relevant stem cell types, such as hematopoietic stem cells (HSCs), mesenchymal stem cells (MSCs), endothelial progenitor cells (EPCs), very small embryonic-like stem cells (VSELs), neural stem cells (NSCs), extraembryonic stem cells, adipose tissue-derived stem cells, breast milk-derived stem cells, menstrual blood-derived stem cells, dental tissue-derived stem cells, induced pluripotent stem cells (iPSCs), teratocarcinoma-derived Ntera2/D1 neuron-like cells (NT2N), c-mycER(TAM) modified NSCs (CTX0E03), and notch-transfected mesenchymal stromal cells (SB623), comparing their potential efficacy to sequester stroke-induced neuroinflammation and their feasibility as translational clinical cell sources. To this end, we highlight that MSCs, with a proven track record of safety and efficacy as a transplantable cell for hematologic diseases, stand as an attractive cell type that confers superior anti-inflammatory effects in stroke both in vitro and in vivo. That stem cells can mount a robust anti-inflammatory action against stroke complements the regenerative processes of cell replacement and neurotrophic factor secretion conventionally ascribed to cell-based therapy in neurological disorders.
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Phenotypic Analysis of Stromal Vascular Fraction after Mechanical Shear Reveals Stress-Induced Progenitor Populations. Plast Reconstr Surg 2017; 138:237e-247e. [PMID: 27465185 DOI: 10.1097/prs.0000000000002356] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Optimization of fat grafting continues to gain increasing attention in the field of regenerative medicine. "Nanofat grafting" implements mechanical emulsification and injection of standard lipoaspirate for the correction of superficial rhytides and skin discoloration; however, little is known about the cellular constituents of the graft. Based on recent evidence that various stressors can induce progenitor activity, the authors hypothesized that the shear forces used in common fat grafting techniques may impact their regenerative capacities. METHODS Lipoaspirates were obtained from 10 patients undergoing elective procedures. Half of each sample was subjected to nanofat processing; the other half was left unchallenged. The viscosity of each sample was measured for computational analysis. The stromal vascular fraction of each sample was isolated, quantified, and analyzed by means of flow cytometry with two multicolor fluorescence antibody panels. RESULTS Standard lipoaspirate is ideally suited for mechanical stress induction. The mechanical emulsification involved in nanofat processing did not affect cell number; however, viability was greatly reduced when compared with the stromal vascular fraction of standard lipoaspirate. Interestingly, nanofat processing resulted in stress-induced stromal vascular fraction with a higher proportion of endothelial progenitor cells, mesenchymal stem cells, and multilineage differentiating stress-enduring cells. Single-parameter analysis also revealed significant increases in CD34, CD13, CD73, and CD146 of the stress-induced stromal vascular fraction, markers associated with mesenchymal stem cell activity. CONCLUSIONS Mechanical processing used in techniques such as nanofat grafting induces the up-regulation of progenitor phenotypes consistent with multipotency and pluripotency. These data provide a first step in characterizing the potential regenerative benefits realized through stress induction in fat grafting. CLINCAL QUESTION/LEVEL OF EVIDENCE Therapeutic, V.
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Wang Y, Ji X, Leak RK, Chen F, Cao G. Stem cell therapies in age-related neurodegenerative diseases and stroke. Ageing Res Rev 2017; 34:39-50. [PMID: 27876573 PMCID: PMC5250574 DOI: 10.1016/j.arr.2016.11.002] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2016] [Revised: 09/26/2016] [Accepted: 11/04/2016] [Indexed: 02/06/2023]
Abstract
Aging, a complex process associated with various structural, functional and metabolic changes in the brain, is an important risk factor for neurodegenerative diseases and stroke. These diseases share similar neuropathological changes, such as the formation of misfolded proteins, oxidative stress, loss of neurons and synapses, dysfunction of the neurovascular unit (NVU), reduction of self-repair capacity, and motor and/or cognitive deficiencies. In addition to gray matter dysfunction, the plasticity and repair capacity of white matter also decrease with aging and contribute to neurodegenerative diseases. Aging not only renders patients more susceptible to these disorders, but also attenuates their self-repair capabilities. In addition, low drug responsiveness and intolerable side effects are major challenges in the prevention and treatment of senile diseases. Thus, stem cell therapies-characterized by cellular plasticity and the ability to self-renew-may be a promising strategy for aging-related brain disorders. Here, we review the common pathophysiological changes, treatments, and the promises and limitations of stem cell therapies in age-related neurodegenerative diseases and stroke.
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Affiliation(s)
- Yuan Wang
- Departments of Neurology, Xuanwu Hospital, Capital University of Medicine, Beijing 100053, China
| | - Xunming Ji
- Departments of Neurosurgery, Xuanwu Hospital, Capital University of Medicine, Beijing 100053, China
| | - Rehana K Leak
- Division of Pharmaceutical Sciences, Duquesne University, Pittsburgh, PA 15282, United States
| | - Fenghua Chen
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, United States
| | - Guodong Cao
- Department of Neurology, University of Pittsburgh School of Medicine, Pittsburgh, PA 15260, United States; Geriatric Research Education and Clinical Centers, VA Pittsburgh Healthcare System, Pittsburgh, PA 15240, United States.
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Intravenous Administration of Adipose-Derived Stem Cell Protein Extracts Improves Neurological Deficits in a Rat Model of Stroke. Stem Cells Int 2017; 2017:2153629. [PMID: 28265288 PMCID: PMC5318632 DOI: 10.1155/2017/2153629] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2016] [Revised: 11/21/2016] [Accepted: 11/27/2016] [Indexed: 12/14/2022] Open
Abstract
Treatment of adipose-derived stem cell (ADSC) substantially improves the neurological deficits during stroke by reducing neuronal injury, limiting proinflammatory immune responses, and promoting neuronal repair, which makes ADSC-based therapy an attractive approach for treating stroke. However, the potential risk of tumorigenicity and low survival rate of the implanted cells limit the clinical use of ADSC. Cell-free extracts from ADSC (ADSC-E) may be a feasible approach that could overcome these limitations. Here, we aim to explore the potential usage of ADSC-E in treating rat transient middle cerebral artery occlusion (tMCAO). We demonstrated that intravenous (IV) injection of ADSC-E remarkably reduces the ischemic lesion and number of apoptotic neurons as compared to other control groups. Although ADSC and ADSC-E treatment results in a similar degree of a long-term clinical beneficial outcome, the dynamics between two ADSC-based therapies are different. While the injection of ADSC leads to a relatively mild but prolonged therapeutic effect, the administration of ADSC-E results in a fast and pronounced clinical improvement which was associated with a unique change in the molecular signature suggesting that potential mechanisms underlying different therapeutic approach may be different. Together these data provide translational evidence for using protein extracts from ADSC for treating stroke.
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Adipose-derived mesenchymal stem cells ameliorate hyperglycemia through regulating hepatic glucose metabolism in type 2 diabetic rats. Biochem Biophys Res Commun 2016; 483:435-441. [PMID: 28013047 DOI: 10.1016/j.bbrc.2016.12.125] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2016] [Accepted: 12/19/2016] [Indexed: 01/10/2023]
Abstract
Infusion of mesenchymal stem cells (MSCs) has been identified in the rapid alleviation in hyperglycemia of diabetic individuals, but the mechanism involved has not been adequately explained by these cells' potential role in modulating system insulin sensitivity and islet regeneration. In this study, we demonstrated adipose-derived mesenchymal stem cells (ASCs) produced significantly lower blood glucose via promoting hepatic glycogen synthesis and inhibiting hepatic glucose production within 24 h after infusion in T2DM rats. In vitro, HepG2 cells treated with palmitate (PA) were used as a model of hepatic glucose metabolism disorder to confirm that ASCs stimulates the phosphorylation of hepatic AMP-activated protein kinase (AMPK) to restores hepatic glucose metabolism in type 2 diabetes. In summary, this study indicated that ASCs improve hyperglycemia via regulating hepatic glucose metabolism. Additionally, the effect of ASCs on hepatic glucose metabolism depended on the AMPK signaling pathway. Thus, this is the new research of the molecular mechanisms of MSCs administration to improve glucose metabolism, and it may indicate a new treatment target of MSCs in T2DM.
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39
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Qian JY, Chopp M, Liu Z. Mesenchymal Stromal Cells Promote Axonal Outgrowth Alone and Synergistically with Astrocytes via tPA. PLoS One 2016; 11:e0168345. [PMID: 27959956 PMCID: PMC5154605 DOI: 10.1371/journal.pone.0168345] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Accepted: 11/29/2016] [Indexed: 01/21/2023] Open
Abstract
We reported that mesenchymal stromal cells (MSCs) enhance neurological recovery from experimental stroke and increase tissue plasminogen activator (tPA) expression in astrocytes. Here, we investigate mechanisms by which tPA mediates MSC enhanced axonal outgrowth. Primary murine neurons and astrocytes were isolated from wild-type (WT) and tPA-knockout (KO) cortices of embryos. Mouse MSCs (WT) were purchased from Cognate Inc. Neurons (WT or KO) were seeded in soma side of Xona microfluidic chambers, and astrocytes (WT or KO) and/or MSCs in axon side. The chambers were cultured as usual (normoxia) or subjected to oxygen deprivation. Primary neurons (seeded in plates) were co-cultured with astrocytes and/or MSCs (in inserts) for Western blot. In chambers, WT axons grew significantly longer than KO axons and exogenous tPA enhanced axonal outgrowth. MSCs increased WT axonal outgrowth alone and synergistically with WT astrocytes at both normoxia and oxygen deprivation conditions. The synergistic effect was inhibited by U0126, an ERK inhibitor, and receptor associated protein (RAP), a low density lipoprotein receptor related protein 1 (LRP1) ligand antagonist. However, MSCs exerted neither individual nor synergistic effects on KO axonal outgrowth. Western blot showed that MSCs promoted astrocytic tPA expression and increased neuronal tPA alone and synergistically with astrocytes. Also, MSCs activated neuronal ERK alone and synergistically with astrocytes, which was inhibited by RAP. We conclude: (1) MSCs promote axonal outgrowth via neuronal tPA and synergistically with astrocytic tPA; (2) neuronal tPA is critical to observe the synergistic effect of MSC and astrocytes on axonal outgrowth; and (3) tPA mediates MSC treatment-induced axonal outgrowth through the LRP1 receptor and ERK.
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Affiliation(s)
- Jian-Yong Qian
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, United States of America
| | - Michael Chopp
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, United States of America
- Department of Physics, Oakland University, Rochester, Michigan, United States of America
| | - Zhongwu Liu
- Department of Neurology, Henry Ford Hospital, Detroit, Michigan, United States of America
- * E-mail:
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40
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Herzig MC, Cap AP. Challenges in translating mesenchymal stem cell therapies for trauma and critical care. Transfusion 2016; 56:20S-5S. [PMID: 27079318 DOI: 10.1111/trf.13566] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Maryanne C Herzig
- Coagulation and Blood Research Program, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas
| | - Andrew P Cap
- Coagulation and Blood Research Program, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, Texas
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Frese L, Dijkman PE, Hoerstrup SP. Adipose Tissue-Derived Stem Cells in Regenerative Medicine. Transfus Med Hemother 2016; 43:268-274. [PMID: 27721702 DOI: 10.1159/000448180] [Citation(s) in RCA: 253] [Impact Index Per Article: 31.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 07/04/2016] [Indexed: 12/15/2022] Open
Abstract
In regenerative medicine, adult stem cells are the most promising cell types for cell-based therapies. As a new source for multipotent stem cells, human adipose tissue has been introduced. These so called adipose tissue-derived stem cells (ADSCs) are considered to be ideal for application in regenerative therapies. Their main advantage over mesenchymal stem cells derived from other sources, e.g. from bone marrow, is that they can be easily and repeatable harvested using minimally invasive techniques with low morbidity. ADSCs are multipotent and can differentiate into various cell types of the tri-germ lineages, including e.g. osteocytes, adipocytes, neural cells, vascular endothelial cells, cardiomyocytes, pancreatic β-cells, and hepatocytes. Interestingly, ADSCs are characterized by immunosuppressive properties and low immunogenicity. Their secretion of trophic factors enforces the therapeutic and regenerative outcome in a wide range of applications. Taken together, these particular attributes of ADSCs make them highly relevant for clinical applications. Consequently, the therapeutic potential of ADSCs is enormous. Therefore, this review will provide a brief overview of the possible therapeutic applications of ADSCs with regard to their differentiation potential into the tri-germ lineages. Moreover, the relevant advancements made in the field, regulatory aspects as well as other challenges and obstacles will be highlighted.
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Affiliation(s)
- Laura Frese
- Institute for Regenerative Medicine (IREM), University of Zurich, Zurich, Switzerland
| | - Petra E Dijkman
- Institute for Regenerative Medicine (IREM), University of Zurich, Zurich, Switzerland
| | - Simon P Hoerstrup
- Institute for Regenerative Medicine (IREM), University of Zurich, Zurich, Switzerland; Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, The Netherlands; Wyss Translational Center Zurich, University of Zurich and ETH Zurich, Zurich, Switzerland
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Marfia G, Navone SE, Hadi LA, Paroni M, Berno V, Beretta M, Gualtierotti R, Ingegnoli F, Levi V, Miozzo M, Geginat J, Fassina L, Rampini P, Tremolada C, Riboni L, Campanella R. The Adipose Mesenchymal Stem Cell Secretome Inhibits Inflammatory Responses of Microglia: Evidence for an Involvement of Sphingosine-1-Phosphate Signalling. Stem Cells Dev 2016; 25:1095-107. [DOI: 10.1089/scd.2015.0268] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Giovanni Marfia
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Stefania Elena Navone
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Loubna Abdel Hadi
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Milan, Italy
| | - Moira Paroni
- Istituto Nazionale di Genetica Molecolare “Romeo ed Enrica Invernizzi,” Milan, Italy
| | - Valeria Berno
- Istituto Nazionale di Genetica Molecolare “Romeo ed Enrica Invernizzi,” Milan, Italy
| | - Matteo Beretta
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | | | | | - Vincenzo Levi
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Monica Miozzo
- Division of Pathology, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Jens Geginat
- Istituto Nazionale di Genetica Molecolare “Romeo ed Enrica Invernizzi,” Milan, Italy
| | - Lorenzo Fassina
- Department of Health Sciences and Industrial and Information Engineering, University of Pavia, Pavia, Italy
| | - Paolo Rampini
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | | | - Laura Riboni
- Department of Medical Biotechnology and Translational Medicine, LITA-Segrate, University of Milan, Milan, Italy
| | - Rolando Campanella
- Laboratory of Experimental Neurosurgery and Cell Therapy, Neurosurgery Unit, Fondazione IRCCS Ca'Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
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Van Pham P, Tran NY, Phan NLC, Vu NB, Phan NK. Vitamin C stimulates human gingival stem cell proliferation and expression of pluripotent markers. In Vitro Cell Dev Biol Anim 2015; 52:218-27. [DOI: 10.1007/s11626-015-9963-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2015] [Accepted: 09/17/2015] [Indexed: 02/08/2023]
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