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Su HH, Yen JC, Liao JM, Wang YH, Liu PH, MacDonald IJ, Tsai CF, Chen YH, Huang SS. In situ slow-release recombinant growth differentiation factor 11 exhibits therapeutic efficacy in ischemic stroke. Biomed Pharmacother 2021; 144:112290. [PMID: 34673423 DOI: 10.1016/j.biopha.2021.112290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/29/2021] [Accepted: 10/05/2021] [Indexed: 10/20/2022] Open
Abstract
Systemic growth differentiation factor 11 (GDF11) treatment improves the vasculature in the hippocampus and cortex in mice in recent studies. However, systemic application of recombinant GDF11 (rGDF11) cannot cross the brain blood barrier (BBB). Thus, large doses and long-term administration are required, while systemically applied high-dose rGDF11 is associated with deleterious effects, such as severe cachexia. This study tested whether in situ low dosage rGDF11 (1 μg/kg) protects the brain against ischemic stroke and it investigated the underlying mechanisms. Fibrin glue mixed with rGDF11 was applied to the surgical cortex for the slow release of rGDF11 in mice after permanent middle cerebral artery occlusion (MCAO). In situ rGDF11 improved cerebral infarction and sensorimotor function by upregulating Smad2/3 and downregulating FOXO3 expression. In situ rGDF11 was associated with reductions in protein and lipid oxidation, Wnt5a, iNOS and COX2 expression, at 24 h after injury. In situ rGDF11 protected hippocampal neurons and subventricular neural progenitor cells against MCAO injury, and increased newborn neurogenesis in the peri-infarct cortex. Systematic profiling and qPCR analysis revealed that Pax5, Sox3, Th, and Cdk5rap2, genes associated with neurogenesis, were increased by in situ rGDF11 treatment. In addition, greater numbers of newborn neurons in the peri-infarct cortex were observed with in situ rGDF11 than with systemic application. Our evidence indicates that in situ rGDF11 effectively decreases the extent of damage after ischemic stroke via antioxidative, anti-inflammatory and proneurogenic activities. We suggest that in situ slow-release rGDF11 with fibrin glue is a potential therapeutic approach against ischemic stroke.
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Affiliation(s)
- Hsing-Hui Su
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, ROC; Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan, ROC
| | - Jiin-Cherng Yen
- Department and Institute of Pharmacology, School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan, ROC
| | - Jiuan-Miaw Liao
- Department of Physiology, Chung Shan Medical University, Taichung, Taiwan, ROC
| | - Yi-Hsin Wang
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, ROC
| | - Pei-Hsun Liu
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, ROC
| | - Iona J MacDonald
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan, ROC
| | - Chin-Feng Tsai
- Division of Cardiology, Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC; School of Medicine, Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC.
| | - Yi-Hung Chen
- Graduate Institute of Acupuncture Science, China Medical University, Taichung, Taiwan, ROC; Chinese Medicine Research Center, China Medical University, Taichung 40402, Taiwan,ROC; Department of Computer Science and Information Engineering, Asia University, Wufeng, Taichung, 41354, Taiwan.
| | - Shiang-Suo Huang
- Department of Pharmacology, Chung Shan Medical University, Taichung, Taiwan, ROC; School of Medicine, Institute of Medicine, Chung Shan Medical University, Taichung, Taiwan, ROC; Department of Pharmacy, Chung Shan Medical University Hospital, Taichung, Taiwan, ROC.
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Chazot-Balcon M, Dumazeaud M, Bordes S, Bouchard JP. [Neuropsychopathology of stroke victims]. REVUE DE L'INFIRMIERE 2019; 68:30-32. [PMID: 31056175 DOI: 10.1016/j.revinf.2019.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
A stroke is a medical emergency with potentially fatal consequences. The speed of the initial treatment has a direct impact on the person's outcome. Rehabilitation and the support provided to the patient and their families is long-term. There may be sequelae on a cognitive, emotional, professional or social level which require very specific care.
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Affiliation(s)
| | | | - Sylvie Bordes
- Service de neurologie; Unité de soins intensifs neurovasculaires (USINV) CHU de Limoges avenue Martin-Luther-King 87042 Limoges, France
| | - Jean-Pierre Bouchard
- Institut psycho-judiciaire et de psychopathologie (IPJP), Institute of psychology and psychopathology, unité pour malades difficiles (UMD), Centre hospitalier de Cadillac, 10, avenue Joseph Caussil, 33410 Cadillac, France.
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Shi ZY, Deng JX, Fu S, Wang L, Wang Q, Liu B, Li YQ, Deng JB. Protective effect of autophagy in neural ischemia and hypoxia: Negative regulation of the Wnt/β-catenin pathway. Int J Mol Med 2017; 40:1699-1708. [PMID: 29039446 PMCID: PMC5716434 DOI: 10.3892/ijmm.2017.3158] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Accepted: 09/26/2017] [Indexed: 01/08/2023] Open
Abstract
Autophagy is a highly conserved process of self-digestion to promote cell survival in response to nutrient starvation and other metabolic stresses. However, whether ischemic-hypoxic (IH) injury-induced autophagy acts as a neuroprotective mechanism or leads to neuroinjury is a subject of debate. It is known that autophagy is regulated by signaling pathways, including the mammalian target of rapamycin pathway. However, in neural IH injury, whether other signaling pathways are involved in the regulation of autophagy remains to be fully elucidated. In the present study, using the autophagy agonist (rampycin), autophagy antagonist [3-methyl adenine (3-MA)] and lysosome antagonist (MHY1485), autophagy was intervened with at oxygen-glucose deprivation (OGD) 6 h, in order to elucidate the regulatory mechanisms of autophagy. Using immunocytochemistry and western blot analysis, the expression levels of stress-related proteins, such as hypoxia-inducible factor-1α (HIF-1α) (a key regulator in hypoxia) and cyclooxygenase 2 (COX2; inflammatory indicator), were analyzed. In addition, the upstream proteins (Wnt1 and Wnt3a), downstream proteins (Dvl2, β-catenin) and target proteins (C-myc and cyclin D) in the Wnt/β-catenin signaling pathway were examined by immunocytochemistry and western blot analysis. The present study revealed that autophagy was activated with the upregulation of autophagic flux in IH injury; it was demonstrated that autophagy had a protective role in IH injury. The Wnt/β-catenin pathway was involved in IH injury regulation, and the upstream proteins in the Wnt/β-catenin signaling pathway were upregulated, whereas downstream proteins were downregulated by the activity of autophagy accordingly.
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Affiliation(s)
- Zhen-Yu Shi
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Jie-Xin Deng
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Su Fu
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Lai Wang
- Institute of Neurobiology, College of Life Science, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Qiang Wang
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Bin Liu
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Yong-Qiang Li
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
| | - Jin-Bo Deng
- Institute of Neurobiology, Nursing College, Henan University, Kaifeng, Henan 475004, P.R. China
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Garbuzova-Davis S, Haller E, Lin R, Borlongan CV. Intravenously Transplanted Human Bone Marrow Endothelial Progenitor Cells Engraft Within Brain Capillaries, Preserve Mitochondrial Morphology, and Display Pinocytotic Activity Toward Blood-Brain Barrier Repair in Ischemic Stroke Rats. Stem Cells 2017; 35:1246-1258. [PMID: 28142208 DOI: 10.1002/stem.2578] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 01/05/2017] [Accepted: 01/12/2017] [Indexed: 01/01/2023]
Abstract
Stroke is a life-threatening disease with limited therapeutic options. Cell therapy has emerged as an experimental stroke treatment. Blood-brain barrier (BBB) impairment is a key pathological manifestation of ischemic stroke, and barrier repair is an innovative target for neurorestoration in stroke. Here, we evaluated via electron microscopy the ability of transplanted human bone marrow endothelial progenitor cells (hBMEPCs) to repair the BBB in adult Sprague-Dawley rats subjected to transient middle cerebral artery occlusion (tMCAO). β-galactosidase prelabeled hBMEPCs were intravenously transplanted 48 hours post-tMCAO. Ultrastructural analysis of microvessels in nontransplant stroke rats revealed typical BBB pathology. At 5 days post-transplantation with hBMEPCs, stroke rats displayed widespread vascular repair in bilateral striatum and motor cortex, characterized by robust cell engraftment within capillaries. hBMEPC transplanted stroke rats exhibited near normal morphology of endothelial cells (ECs), pericytes, and astrocytes, without detectable perivascular edema. Near normal morphology of mitochondria was also detected in ECs and perivascular astrocytes from transplanted stroke rats. Equally notable, we observed numerous pinocytic vesicles within engrafted cells. Robust engraftment and intricate functionality of transplanted hBMEPCs likely abrogated stroke-altered vasculature. Preserving mitochondria and augmenting pinocytosis in cell-based therapeutics represent a new neurorestorative mechanism in BBB repair for stroke. Stem Cells 2017;35:1246-1258.
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Affiliation(s)
- Svitlana Garbuzova-Davis
- Center of Excellence for Aging & Brain Repair.,Department of Neurosurgery and Brain Repair.,Department of Molecular Pharmacology and Physiology.,Department of Pathology and Cell Biology, Morsani College of Medicine
| | - Edward Haller
- Department of Integrative Biology, University of South Florida, Tampa, Florida, USA
| | - Roger Lin
- Center of Excellence for Aging & Brain Repair
| | - Cesario V Borlongan
- Center of Excellence for Aging & Brain Repair.,Department of Neurosurgery and Brain Repair
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Biomaterial Applications in Cell-Based Therapy in Experimental Stroke. Stem Cells Int 2016; 2016:6810562. [PMID: 27274738 PMCID: PMC4870368 DOI: 10.1155/2016/6810562] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2015] [Revised: 03/11/2016] [Accepted: 04/04/2016] [Indexed: 01/08/2023] Open
Abstract
Stroke is an important health issue corresponding to the second cause of mortality and first cause of severe disability with no effective treatments after the first hours of onset. Regenerative approaches such as cell therapy provide an increase in endogenous brain structural plasticity but they are not enough to promote a complete recovery. Tissue engineering has recently aroused a major interesting development of biomaterials for use into the central nervous system. Many biomaterials have been engineered based on natural compounds, synthetic compounds, or a mix of both with the aim of providing polymers with specific properties. The mechanical properties of biomaterials can be exquisitely regulated forming polymers with different stiffness, modifiable physical state that polymerizes in situ, or small particles encapsulating cells or growth factors. The choice of biomaterial compounds should be adapted for the different applications, structure target, and delay of administration. Biocompatibilities with embedded cells and with the host tissue and biodegradation rate must be considerate. In this paper, we review the different applications of biomaterials combined with cell therapy in ischemic stroke and we explore specific features such as choice of biomaterial compounds and physical and mechanical properties concerning the recent studies in experimental stroke.
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