1
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Zhang Y, Ma L, Yan Y, Zhao L, Han S, Wu D, Borlongan CV, Li J, Ji X. cPKCγ-Modulated Autophagy Contributes to Ischemic Preconditioning-Induced Neuroprotection in Mice with Ischemic Stroke via mTOR-ULK1 Pathway. Transl Stroke Res 2023; 14:790-801. [PMID: 36214939 DOI: 10.1007/s12975-022-01094-5] [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: 08/18/2022] [Revised: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 11/30/2022]
Abstract
Neuron-specific conventional protein kinase C (cPKC)γ mediates cerebral hypoxic preconditioning (HPC). In parallel, autophagy plays a prosurvival role in ischemic preconditioning (IPC) against ischemic stroke. However, the effect of cPKCγ on autophagy in IPC still remains to be addressed. In this study, adult and postnatal 1-day-old C57BL/6 J wild-type (cPKCγ+/+) and knockout (cPKCγ-/-) mice were used to establish in vivo and in vitro IPC models. The results showed that IPC pretreatment alleviated neuronal damage caused by lethal ischemia, which could be suppressed by autophagy inhibitor 3-MA or bafilomycin A1. Meanwhile, cPKCγ knockout blocked IPC-induced neuroprotection, accompanied by significant increase of LC3-I to LC3-II conversion and Beclin 1 protein level, and a significant decrease in p62 protein level. Immunofluorescent staining results showed a decrease of LC3 puncta numbers in IPC-treated cPKCγ+/+ neurons with fatal ischemia, which was reversed in cPKCγ-/- neurons. In addition, cPKCγ-modulated phosphorylation of mTOR at Ser 2448 and ULK1 at Ser 555, rather than p-Thr-172 AMPK, was detected in IPC-pretreated neurons upon lethal ischemic exposure. The present data demonstrated that cPKCγ-modulated autophagy via the mTOR-ULK1 pathway likely modulated IPC-induced neuroprotection.
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Affiliation(s)
- Ying Zhang
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
- Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine, Beijing, 100053, China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Longhui Ma
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Yi Yan
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Li Zhao
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Song Han
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Di Wu
- Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine, Beijing, 100053, China
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
| | - Cesar V Borlongan
- Department of Neurosurgery and Brain Repair, University of South Florida College of Medicine, Tampa, FL, 33612, USA
| | - Junfa Li
- Department of Neurobiology, Capital Medical University, #10 You An Men Wai Xi Tou Tiao, Fengtai District, Beijing, 100069, People's Republic of China.
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
| | - Xunming Ji
- Beijing Key Laboratory of Hypoxia Conditioning Translational Medicine, Beijing, 100053, China.
- Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China.
- Department of Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
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2
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Ji L, Jin RJ, Li L. Platelet-rich Plasma Improves Radiotherapy-induced Emotional Disorder and Cognitive Dysfunction, Neuroinflammation in Aged Rats by Inhibiting the Activation of NLRP3 Inflammasomes. Neurochem Res 2023:10.1007/s11064-023-03933-9. [PMID: 37043084 DOI: 10.1007/s11064-023-03933-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 03/01/2023] [Accepted: 03/31/2023] [Indexed: 04/13/2023]
Abstract
Although radiotherapy (RT) is the preferred treatment for elderly patients with brain tumors, certain negative effects can't be ignored. Fortunately, platelet-rich plasma (PRP) presents with a promising potential for the treatment of neurological diseases. Therefore, this study aimed to explore the effect of PRP on neuroinflammation, emotional disorder and cognitive dysfunction induced by RT in aged rats. Firstly, whole brain RT (WBRT) model was established by whole brain irradiation with 10 Gy of 6-MeV electron beam in rats. Next, twenty 20-month-old female SD rats were divided into four groups (sham group, PRP group, WBRT group, and WBRT + PRP group) according different treatments. After that, the cognitive dysfunction and depression-like behavior of rats were examined by novel object recognition test (NORT), Morris water maze test (MWM), open field test (OFT) and elevated plus maze test (EPM). Besides, immunohistochemistry was used to detect the expression of microglial marker protein Iba-1 in rat hippocampus; enzyme linked immunosorbent assay (ELISA) to examine the levels of pro-inflammatory cytokines tumor necrosis factor-alpha (TNF-α), interleukin (IL)-1 beta (IL-1β), IL-18, and monocyte chemoattractant protein 1 (MCP-1) in rat hippocampus; real-time quantitative reverse transcription PCR (qRT-PCR) and western blot to measure the levels of neurotrophic factors brain-derived neurotrophic factor (BDNF), tropomyosin-related kinase B receptor (TrkB), and nerve growth factor (NGF) in rat hippocampus; and western blot also to observe the protein expression levels of NOD-like receptor protein 3 (NLRP3), caspase-1, apoptosis-associated speck-like protein containing a CARD (ASC), and IL-1β in rat hippocampus. After experiments, some results obtained were shown as follows. PRP could significantly improve learning and memory ability and depression-like behavior, increase the level of neurotrophic factors, inhibit the activation of microglia and decrease the level of pro-inflammatory factors in WBRT rats. In addition, PRP significantly inhibited the activation of NLRP3 inflammasomes. To sum up, PRP can ameliorate neuroinflammation, emotional disorder and cognitive dysfunction induced by RT in aged rats, and the mechanism may be related to its inhibitory effect on NLRP3 inflammasome activation.
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Affiliation(s)
- Lu Ji
- Department of Radiology, the First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, 121000, China
| | - Rong-Jie Jin
- Department of security, the First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, 121000, China
| | - Lin Li
- Respiratory department, the First Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning, 121000, China.
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3
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Nebie O, Buée L, Blum D, Burnouf T. Can the administration of platelet lysates to the brain help treat neurological disorders? Cell Mol Life Sci 2022; 79:379. [PMID: 35750991 PMCID: PMC9243829 DOI: 10.1007/s00018-022-04397-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 05/09/2022] [Accepted: 05/23/2022] [Indexed: 11/03/2022]
Abstract
Neurodegenerative disorders of the central nervous system (CNS) and brain traumatic insults are characterized by complex overlapping pathophysiological alterations encompassing neuroinflammation, alterations of synaptic functions, oxidative stress, and progressive neurodegeneration that eventually lead to irreversible motor and cognitive dysfunctions. A single pharmacological approach is unlikely to provide a complementary set of molecular therapeutic actions suitable to resolve these complex pathologies. Recent preclinical data are providing evidence-based scientific rationales to support biotherapies based on administering neurotrophic factors and extracellular vesicles present in the lysates of human platelets collected from healthy donors to the brain. Here, we present the most recent findings on the composition of the platelet proteome that can activate complementary signaling pathways in vivo to trigger neuroprotection, synapse protection, anti-inflammation, antioxidation, and neurorestoration. We also report experimental data where the administration of human platelet lysates (HPL) was safe and resulted in beneficial neuroprotective effects in established rodent models of neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease, traumatic brain injury, and stroke. Platelet-based biotherapies, prepared from collected platelet concentrates (PC), are emerging as a novel pragmatic and accessible translational therapeutic strategy for treating neurological diseases. Based on this assumption, we further elaborated on various clinical, manufacturing, and regulatory issues that need to be addressed to ensure the ethical supply, quality, and safety of HPL preparations for treating neurodegenerative and traumatic pathologies of the CNS. HPL made from PC may become a unique approach for scientifically based treatments of neurological disorders readily accessible in low-, middle-, and high-income countries.
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Affiliation(s)
- Ouada Nebie
- College of Biomedical Engineering, Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France
| | - Luc Buée
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France
- NeuroTMULille International Laboratory, Univ. Lille, Lille, France
| | - David Blum
- University of Lille, Inserm, CHU Lille, U1172 - LilNCog - Lille Neuroscience and Cognition, 59045, Lille, France.
- Alzheimer and Tauopathies, LabEx DISTALZ, LiCEND, 59000, Lille, France.
- NeuroTMULille International Laboratory, Univ. Lille, Lille, France.
- NeuroTMULille International Laboratory, Taipei Medical University, Taipei, 11031, Taiwan.
| | - Thierry Burnouf
- College of Biomedical Engineering, Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- NeuroTMULille International Laboratory, Taipei Medical University, Taipei, 11031, Taiwan.
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031, Taiwan.
- International PhD Program in Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, 11031, Taiwan.
- Brain and Consciousness Research Centre, Taipei Medical University Shuang-Ho Hospital, New Taipei City, 23561, Taiwan.
- Neuroscience Research Center, Taipei Medical University, Taipei, Taiwan.
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4
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Ischemic Brain Stroke and Mesenchymal Stem Cells: An Overview of Molecular Mechanisms and Therapeutic Potential. Stem Cells Int 2022; 2022:5930244. [PMID: 35663353 PMCID: PMC9159823 DOI: 10.1155/2022/5930244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 10/12/2021] [Accepted: 05/04/2022] [Indexed: 12/15/2022] Open
Abstract
Ischemic brain injury is associated with a high rate of mortality and disability with no effective therapeutic strategy. Recently, a growing number of studies are focusing on mesenchymal stem cell-based therapies for neurodegenerative disorders. However, despite having the promising outcome of preclinical studies, the clinical application of stem cell therapy remained elusive due to little or no progress in clinical trials. The objective of this study was to provide a generalized critique for the role of mesenchymal stem cell therapy in ischemic stroke injury, its underlying mechanisms, and constraints on its preclinical and clinical applications. Thus, we attempted to present an overview of previously published reports to evaluate the progress and provide molecular basis of mesenchymal stem cells (MSCs) therapy and its application in preclinical and clinical settings, which could aid in designing an effective regenerative therapeutic strategy in the future.
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5
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Todd J, Bharadwaj VN, Nellenbach K, Nandi S, Mihalko E, Copeland C, Brown AC, Stabenfeldt SE. Platelet-like particles reduce coagulopathy-related and neuroinflammatory pathologies post-experimental traumatic brain injury. J Biomed Mater Res B Appl Biomater 2021; 109:2268-2278. [PMID: 34117693 DOI: 10.1002/jbm.b.34888] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 02/03/2021] [Accepted: 02/22/2021] [Indexed: 12/16/2022]
Abstract
Coagulopathy may occur following traumatic brain injury (TBI), thereby negatively affecting patient outcomes. Here, we investigate the use of platelet-like particles (PLPs), poly(N-isopropylacrylamide-co-acrylic-acid) microgels conjugated with a fibrin-specific antibody, to improve hemostasis post-TBI. The objective of this study was to diminish coagulopathy in a mouse TBI model (controlled cortical impact) via PLP treatment, and subsequently decrease blood-brain barrier (BBB) permeability and neuroinflammation. Following an acute intravenous injection of PLPs post-TBI, we analyzed BBB permeability, ex vivo coagulation parameters, and neuroinflammation at 24 hr and 7 days post-TBI. Both PLP-treatment and control particle-treatment had significantly decreased BBB permeability and improved clot structure 24 hr post-injury. Additionally, no significant change in tissue sparing was observed between 24 hr and 7 days for PLP-treated cohorts compared to that observed in untreated cohorts. Only PLP-treatment resulted in significant reduction of astrocyte expression at 7 days and percent difference from 24 hr to 7 days. Finally, PLP-treatment significantly reduced the percent difference from 24 hr to 7 days in microglia/macrophage density compared to the untreated control. These results suggest that PLP-treatment addressed acute hypocoagulation and decreased BBB permeability followed by decreased neuroinflammation and fold-change tissue loss by 7 days post-injury. These promising results indicate that PLPs could be a potential therapeutic modality for TBI.
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Affiliation(s)
- Jordan Todd
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA
| | - Vimala N Bharadwaj
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA
| | - Kimberly Nellenbach
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Seema Nandi
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Emily Mihalko
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Connor Copeland
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA
| | - Ashley C Brown
- Joint Department of Biomedical Engineering, North Carolina State University and The University of North Carolina at Chapel Hill, Raleigh, North Carolina, USA.,Comparative Medicine Institute, North Carolina State University, Raleigh, North Carolina, USA
| | - Sarah E Stabenfeldt
- School of Biological and Health Systems Engineering, Arizona State University, Tempe, Arizona, USA
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6
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Abotalebi H, Ebrahimi B, Shahriyari R, Shafieian R. Sex steroids-induced neurogenesis in adult brain: a better look at mechanisms and mediators. Horm Mol Biol Clin Investig 2021; 42:209-221. [PMID: 34058796 DOI: 10.1515/hmbci-2020-0036] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 01/14/2021] [Indexed: 11/15/2022]
Abstract
Adult neurogenesis is the production of new nerve cells in the adult brain. Neurogenesis is a clear example of the neuroplasticity phenomenon which can be observed in most of mammalian species, including human beings. This phenomenon occurs, at least, in two regions of the brain: the subgranular zone of the dentate gyrus in hippocampus and the ventricular zone of lateral ventricles. Numerous studies have investigated the relationship between sex steroid hormones and neurogenesis of adult brain; of which, mostly concentrated on the role of estradiol. It has been shown that estrogen plays a significant role in this process through both classic and non-classic mechanisms, including a variety of different growth factors. Therefore, the objective of this review is to investigate the role of female sex steroids with an emphasis on estradiol and also its potential implications for regulating the neurogenesis in the adult brain.
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Affiliation(s)
- Hamideh Abotalebi
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Babak Ebrahimi
- Department of Anatomy and Cell Biology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Raziyeh Shahriyari
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Reyhaneh Shafieian
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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7
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Time-dependent effects of platelet-rich plasma on the memory and hippocampal synaptic plasticity impairment in vascular dementia induced by chronic cerebral hypoperfusion. Brain Res Bull 2020; 164:299-306. [DOI: 10.1016/j.brainresbull.2020.08.033] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 08/19/2020] [Accepted: 08/30/2020] [Indexed: 12/19/2022]
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8
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Corey S, Bonsack B, Heyck M, Shear A, Sadanandan N, Zhang H, Borlongan CV. Harnessing the anti-inflammatory properties of stem cells for transplant therapy in hemorrhagic stroke. BRAIN HEMORRHAGES 2020; 1:24-33. [PMID: 34056567 PMCID: PMC8158660 DOI: 10.1016/j.hest.2019.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Hemorrhagic stroke is a global health crisis plagued by neuroinflammation in the acute and chronic phases. Neuroinflammation approximates secondary cell death, which in turn robustly contributes to stroke pathology. Both the physiological and behavioral symptoms of stroke correlate with various inflammatory responses in animal and human studies. That slowing the secondary cell death mediated by this inflammation may attenuate stroke pathology presents a novel treatment strategy. To this end, experimental therapies employing stem cell transplants support their potential for neuroprotection and neuroregeneration after hemorrhagic stroke. In this review, we evaluate experiments using different types of stem cell transplants as treatments for stroke-induced neuroinflammation. We also update this emerging area by examining recent preclinical and clinical trials that have deployed these therapies. While further investigations are warranted to solidify their therapeutic profile, the reviewed studies largely posit stem cells as safe and potent biologics for stroke, specifically owing to their mode of action for sequestering neuroinflammation and promoting neuroregenerative processes.
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Affiliation(s)
- Sydney Corey
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Brooke Bonsack
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Matt Heyck
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Alex Shear
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Nadia Sadanandan
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Henry Zhang
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
| | - Cesar V Borlongan
- Center of Excellence for Aging and Brain Repair, University of South Florida, College of Medicine, 12901 Bruce B Downs Blvd, Tampa, FL 33612, USA
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9
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Neuroprotection for ischemic stroke in the endovascular era: A brief report on the future of intra-arterial therapy. J Clin Neurosci 2019; 69:289-291. [DOI: 10.1016/j.jocn.2019.08.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Accepted: 08/05/2019] [Indexed: 01/05/2023]
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10
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Dabrowska S, Andrzejewska A, Lukomska B, Janowski M. Neuroinflammation as a target for treatment of stroke using mesenchymal stem cells and extracellular vesicles. J Neuroinflammation 2019; 16:178. [PMID: 31514749 PMCID: PMC6743114 DOI: 10.1186/s12974-019-1571-8] [Citation(s) in RCA: 192] [Impact Index Per Article: 38.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2019] [Accepted: 08/29/2019] [Indexed: 12/15/2022] Open
Abstract
Ischemic stroke is the third cause of death in the developed countries and the main reason of severe disability. Brain ischemia leads to the production of damage-associated molecular patterns (DAMPs) by neurons and glial cells which results in astrocyte and microglia activation, pro-inflammatory cytokines and chemokines production, blood-brain barrier (BBB) disruption, infiltration of leukocytes from the peripheral blood into the infarcted area, and further exacerbation of tissue damage. However, some immune cells such as microglia or monocytes are capable to change their phenotype to anti-inflammatory, produce anti-inflammatory cytokines, and protect injured nervous tissue. In this situation, therapies, which will modulate the immune response after brain ischemia, such as transplantation of mesenchymal stem cells (MSCs) are catching interest. Many experimental studies of ischemic stroke revealed that MSCs are able to modulate immune response and act neuroprotective, through stimulation of neurogenesis, oligodendrogenesis, astrogenesis, and angiogenesis. MSCs may also have an ability to replace injured cells, but the release of paracrine factors directly into the environment or via extracellular vesicles (EVs) seems to play the most pronounced role. EVs are membrane structures containing proteins, lipids, and nucleic acids, and they express similar properties as the cells from which they are derived. However, EVs have lower immunogenicity, do not express the risk of vessel blockage, and have the capacity to cross the blood-brain barrier. Experimental studies of ischemic stroke showed that EVs have immunomodulatory and neuroprotective properties; therefore, they can stimulate neurogenesis and angiogenesis. Up to now, 20 clinical trials with MSC transplantation into patients after stroke were performed, from which two concerned on only hemorrhagic stroke and 13 studied only on ischemic stroke. There is no clinical trial with EV injection into patients after brain ischemia so far, but the case with miR-124-enriched EVs administration is planned and probably there will be more clinical studies with EV transplantation in the near future.
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Affiliation(s)
- Sylwia Dabrowska
- NeuroRepair Department, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Anna Andrzejewska
- NeuroRepair Department, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Barbara Lukomska
- NeuroRepair Department, Mossakowski Medical Research Centre, PAS, 5 Pawinskiego Street, 02-106, Warsaw, Poland
| | - Miroslaw Janowski
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland, Baltimore, HSF III, 620 W. Baltimore street, Baltimore, MD, 21201, USA.
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11
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Yip HK, Chen KH, Dubey NK, Sun CK, Deng YH, Su CW, Lo WC, Cheng HC, Deng WP. Cerebro- and renoprotective activities through platelet-derived biomaterials against cerebrorenal syndrome in rat model. Biomaterials 2019; 214:119227. [DOI: 10.1016/j.biomaterials.2019.119227] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 05/23/2019] [Accepted: 05/23/2019] [Indexed: 12/18/2022]
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12
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Gouel F, Rolland AS, Devedjian JC, Burnouf T, Devos D. Past and Future of Neurotrophic Growth Factors Therapies in ALS: From Single Neurotrophic Growth Factor to Stem Cells and Human Platelet Lysates. Front Neurol 2019; 10:835. [PMID: 31428042 PMCID: PMC6688198 DOI: 10.3389/fneur.2019.00835] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 07/19/2019] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a fatal neurodegenerative disease that typically results in death within 3–5 years after diagnosis. To date, there is no curative treatment and therefore an urgent unmet need of neuroprotective and/or neurorestorative treatments. Due to their spectrum of capacities in the central nervous system—e.g., development, plasticity, maintenance, neurogenesis—neurotrophic growth factors (NTF) have been exploited for therapeutic strategies in ALS for decades. In this review we present the initial strategy of using single NTF by different routes of administration to the use of stem cells transplantation to express a multiple NTFs-rich secretome to finally focus on a new biotherapy based on the human platelet lysates, the natural healing system containing a mix of pleitropic NTF and having immunomodulatory function. This review highlights that this latter treatment may be crucial to power the neuroprotection and/or neurorestoration therapy requested in this devastating disease.
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Affiliation(s)
- Flore Gouel
- Department of Medical Pharmacology, Lille University, INSERM UMRS_1171, University Hospital Center, LICEND COEN Center, Lille, France
| | - Anne-Sophie Rolland
- Department of Medical Pharmacology, Lille University, INSERM UMRS_1171, University Hospital Center, LICEND COEN Center, Lille, France
| | - Jean-Christophe Devedjian
- Department of Medical Pharmacology, Lille University, INSERM UMRS_1171, University Hospital Center, LICEND COEN Center, Lille, France
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,International PhD Program in Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - David Devos
- Department of Medical Pharmacology, Lille University, INSERM UMRS_1171, University Hospital Center, LICEND COEN Center, Lille, France.,Department of Neurology, Lille University, INSERM UMRS_1171, University Hospital Center, LICEND COEN Center, Lille, France
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13
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The therapeutic effect of platelet-rich plasma on the experimental autoimmune encephalomyelitis mice. J Neuroimmunol 2019; 333:476958. [DOI: 10.1016/j.jneuroim.2019.04.018] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 12/12/2022]
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14
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Yim HE, Kim DS, Chung HC, Shing B, Moon KH, George SK, Kim MW, Atala Z, Kim JH, Ko IK, Yoo JJ. Controlled Delivery of Stem Cell-Derived Trophic Factors Accelerates Kidney Repair After Renal Ischemia-Reperfusion Injury in Rats. Stem Cells Transl Med 2019; 8:959-970. [PMID: 31144785 PMCID: PMC6708069 DOI: 10.1002/sctm.18-0222] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 03/04/2019] [Indexed: 12/20/2022] Open
Abstract
Renal disease is a worldwide health issue. Besides transplantation, current therapies revolve around dialysis, which only delays disease progression but cannot replace other renal functions, such as synthesizing erythropoietin. To address these limitations, cell‐based approaches have been proposed to restore damaged kidneys as an alternative to current therapies. Recent studies have shown that stem cell‐derived secretomes can enhance tissue regeneration. However, many growth factors undergo rapid degradation when they are injected into the body in a soluble form. Efficient delivery and controlled release of secreting factors at the sites of injury would improve the efficacy in tissue regeneration. Herein, we developed a gel‐based delivery system for controlled delivery of trophic factors in the conditioned medium (CM) secreted from human placental stem cells (HPSCs) and evaluated the effect of trophic factors on renal regeneration. CM treatment significantly enhanced cell proliferation and survival in vitro. Platelet‐rich plasma (PRP) was used as a delivery vehicle for CM. Analysis of the release kinetics demonstrated that CM delivery through the PRP gel resulted in a controlled release of the factors both in vitro and in vivo. In an acute kidney injury model in rats, functional and structural analysis showed that CM delivery using the PRP gel system into the injured kidney minimized renal tissue damage, leading to a more rapid functional recovery when compared with saline, CM, or vehicle only injection groups. These results suggest that controlled delivery of HPSC‐derived trophic factors may provide efficient repair of renal tissue injury. stem cells translational medicine2019;8:959&970
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Affiliation(s)
- Hyung Eun Yim
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA.,Department of Pediatrics, College of Medicine, Korea University, Seoul, Korea
| | - Doo Sang Kim
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA.,Department of Urology, Soonchunhyang University Cheonan Hospital, Cheonan, Korea
| | - Hyun Chul Chung
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA.,Department of Urology, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Brian Shing
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - Kyung Hyun Moon
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA.,Department of Urology, Ulsan University Hospital, University of Ulsan College of Medicine, Ulsan, Korea
| | - Sunil K George
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - Michael W Kim
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - Zachary Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - Ji Hyun Kim
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - In Kap Ko
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
| | - James J Yoo
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, North Carolina, USA
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15
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Incontri Abraham D, Gonzales M, Ibarra A, Borlongan CV. Stand alone or join forces? Stem cell therapy for stroke. Expert Opin Biol Ther 2018; 19:25-33. [PMID: 30477353 DOI: 10.1080/14712598.2019.1551872] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
INTRODUCTION Stroke is a major cause of mortality and disability with a narrow therapeutic window. Stem cell therapy may enhance the stroke recovery. AREAS COVERE Regenerative medicine via stem cells stands as a novel therapy for stroke. In particular, bone marrow-derived mesenchymal stem cells (MSCs) have neuroprotective and anti-inflammatory properties that improve brain function after stroke. Here, we discuss the safety, efficacy, and mechanism of action underlying the therapeutic effects of bone marrow-derived MSCs. We also examine the discrepant transplant protocols between preclinical studies and clinical trials. Laboratory studies show the safety and efficacy of bone marrow-derived MSCs in stroke models. However, while safe, MSCs remain to be fully evaluated as effective in clinical trials. Furthermore, recognizing the multiple cell death processes associated with stroke, we next discuss the potential therapeutic benefits of a combination therapy. With preliminary results and on-going clinical trials, a careful assessment of dosing, timing, and delivery route regimens will further direct the future of stem cell therapy for neurological disorders, including stroke. EXPERT OPINION Bone marrow-derived MSCs appear to be the optimal stem cell source for stroke therapy. Optimizing dosing, timing, and delivery route should guide the clinical application of bone marrow-derived MSCs.
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Affiliation(s)
- Diego Incontri Abraham
- a Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair , University of South Florida Morsani College of Medicine , Tampa , FL , USA.,b Centro de Investigación en Ciencias de la Salud (CICSA), Facultad de Ciencias de la Salud , Universidad Anáhuac México Campus Norte , Huixquilucan, Edo. de Mexico , México
| | - Melissa Gonzales
- a Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair , University of South Florida Morsani College of Medicine , Tampa , FL , USA
| | - Antonio Ibarra
- b Centro de Investigación en Ciencias de la Salud (CICSA), Facultad de Ciencias de la Salud , Universidad Anáhuac México Campus Norte , Huixquilucan, Edo. de Mexico , México.,c Faculty of Health Sciences , Proyecto CAMINA A.C , Ciudad de México , México
| | - Cesar V Borlongan
- a Center of Excellence for Aging and Brain Repair, Department of Neurosurgery and Brain Repair , University of South Florida Morsani College of Medicine , Tampa , FL , USA
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16
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Rikhtegar R, Yousefi M, Dolati S, Kasmaei HD, Charsouei S, Nouri M, Shakouri SK. Stem cell-based cell therapy for neuroprotection in stroke: A review. J Cell Biochem 2018; 120:8849-8862. [PMID: 30506720 DOI: 10.1002/jcb.28207] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Accepted: 11/15/2018] [Indexed: 12/15/2022]
Abstract
Neurological disorders, such as stroke, are triggered by a loss of neurons and glial cells. Ischemic stroke remains a substantial problem for industrialized countries. Over the previous few decades our understanding about the pathophysiology of stroke has enhanced, nevertheless, more awareness is required to advance the field of stroke recovery. Existing therapies are incapable to adequately relief the disease outcome and are not appropriate to all patients. Meanwhile, the majority of patients continue to show neurological deficits even subsequent effective thrombolysis, recuperative therapies are immediately required that stimulate brain remodeling and repair once stroke damage has happened. Cell therapy is emergent as a hopeful new modality for increasing neurological recovery in ischemic stroke. Numerous types of stem cells from various sources have been identified and their possibility and efficiency for the treatment of stroke have been investigated. Stem cell therapy in patients with stroke using adult stem cells have been first practiced in clinical trials since 15 years ago. Even though stem cells have revealed a hopeful role in ischemic stroke in investigational studies besides early clinical pilot studies, cellular therapy in human is still at a primary stage. In this review, we summarize the types of stem cells, various delivery routes, and clinical application of stem cell-based therapy for stroke treatment.
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Affiliation(s)
- Reza Rikhtegar
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Yousefi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Department of Immunology, School of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sanam Dolati
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.,Student's Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hosein Delavar Kasmaei
- Department of Neurology, Shohada-e-Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Saeid Charsouei
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mohammad Nouri
- Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Seyed Kazem Shakouri
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.,Physical Medicine and Rehabilitation Research Centre, Tabriz University of Medical Sciences, Tabriz, Iran
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17
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Scully D, Naseem KM, Matsakas A. Platelet biology in regenerative medicine of skeletal muscle. Acta Physiol (Oxf) 2018; 223:e13071. [PMID: 29633517 DOI: 10.1111/apha.13071] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/07/2018] [Accepted: 04/01/2018] [Indexed: 12/13/2022]
Abstract
Platelet-based applications such as platelet-rich plasma (PRP) and platelet releasate have gained unprecedented attention in regenerative medicine across a variety of tissues as of late. The rationale behind utilizing PRP originates in the delivery of key cytokines and growth factors from α-granules to the targeted area, which in turn act as cell cycle regulators and promote the healing process across a variety of tissues. The aim of the present review is to assimilate current experimental evidence on the role of platelets as biomaterials in tissue regeneration, particularly in skeletal muscle, by integrating findings from human, animal and cell studies. This review is composed of 3 parts: firstly, we review key aspects of platelet biology that precede the preparation and use of platelet-related applications for tissue regeneration. Secondly, we critically discuss relevant evidence on platelet-mediated regeneration in skeletal muscle focusing on findings from (i) clinical trials, (ii) experimental animal studies and (iii) cell culture studies; and thirdly, we discuss the application of platelets in the regeneration of several other tissues including tendon, bone, liver, vessels and nerve. Finally, we review key technical variations in platelet preparation that may account for the large discrepancy in outcomes from different studies. This review provides an up-to-date reference tool for biomedical and clinical scientists involved in platelet-mediated tissue regenerative applications.
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Affiliation(s)
- D. Scully
- Molecular Physiology Laboratory; Centre for Atherothrombotic & Metabolic Disease; Hull York Medical School; University of Hull; Hull UK
| | - K. M. Naseem
- Leeds Institute of Cardiovascular and Metabolic Medicine; University of Leeds; Leeds UK
| | - A. Matsakas
- Molecular Physiology Laboratory; Centre for Atherothrombotic & Metabolic Disease; Hull York Medical School; University of Hull; Hull UK
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18
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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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19
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Martín-Solé O, Rodó J, García-Aparicio L, Blanch J, Cusí V, Albert A. Effects of Platelet-Rich Plasma (PRP) on a Model of Renal Ischemia-Reperfusion in Rats. PLoS One 2016; 11:e0160703. [PMID: 27551718 PMCID: PMC4994962 DOI: 10.1371/journal.pone.0160703] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Accepted: 07/22/2016] [Indexed: 12/29/2022] Open
Abstract
Renal ischemia-reperfusion injury is a major cause of acute renal failure, causing renal cell death, a permanent decrease of renal blood flow, organ dysfunction and chronic kidney disease. Platelet-rich plasma (PRP) is an autologous product rich in growth factors, and therefore able to promote tissue regeneration and angiogenesis. This product has proven its efficacy in multiple studies, but has not yet been tested on kidney tissue. The aim of this work is to evaluate whether the application of PRP to rat kidneys undergoing ischemia-reperfusion reduces mid-term kidney damage. A total of 30 monorrenal Sprague-Dawley male rats underwent renal ischemia-reperfusion for 45 minutes. During ischemia, PRP (PRP Group, n = 15) or saline solution (SALINE Group, n = 15) was administered by subcapsular renal injection. Control kidneys were the contralateral organs removed immediately before the start of ischemia in the remaining kidneys. Survival, body weight, renal blood flow on Doppler ultrasound, kidney weight, kidney volume, blood biochemistry and histopathology were determined for all subjects and kidneys, as applicable. Correlations between these variables were searched for. The PRP Group showed significantly worse kidney blood flow (p = 0.045) and more histopathological damage (p<0.0001). Correlations were found between body weight, kidney volume, kidney weight, renal blood flow, histology, and serum levels of creatinine and urea. Our study provides the first evidence that treatment with PRP results in the deterioration of the kidney’s response to ischemia-reperfusion injury.
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Affiliation(s)
- Oriol Martín-Solé
- Unit of Pediatric Urology, Department of Pediatric Surgery, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
- * E-mail:
| | - Joan Rodó
- Unit of Pediatric Urology, Department of Pediatric Surgery, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
| | - Lluís García-Aparicio
- Unit of Pediatric Urology, Department of Pediatric Surgery, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
| | - Josep Blanch
- Department of Pediatric Radiology, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
| | - Victoria Cusí
- Department of Pathology, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
| | - Asteria Albert
- Department of Pediatric Surgery, Hospital Sant Joan de Déu, Universitat de Barcelona, Barcelona, Spain
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20
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Masoudi E, Ribas J, Kaushik G, Leijten J, Khademhosseini A. Platelet-Rich Blood Derivatives for Stem Cell-Based Tissue Engineering and Regeneration. CURRENT STEM CELL REPORTS 2016; 2:33-42. [PMID: 27047733 DOI: 10.1007/s40778-016-0034-8] [Citation(s) in RCA: 65] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Platelet rich blood derivatives have been widely used in different fields of medicine and stem cell based tissue engineering. They represent natural cocktails of autologous growth factor, which could provide an alternative for recombinant protein based approaches. Platelet rich blood derivatives, such as platelet rich plasma, have consistently shown to potentiate stem cell proliferation, migration, and differentiation. Here, we review the spectrum of platelet rich blood derivatives, discuss their current applications in tissue engineering and regenerative medicine, reflect on their effect on stem cells, and highlight current translational challenges.
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Affiliation(s)
- Elham Masoudi
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - João Ribas
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA.,Doctoral Program in Experimental Biology and Biomedicine, Center for Neuroscience and Cell Biology, Institute for Interdisciplinary Research, University of Coimbra, 3030-789 Coimbra, Portugal
| | - Gaurav Kaushik
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Jeroen Leijten
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA
| | - Ali Khademhosseini
- Harvard-MIT Division of Health Sciences and Technology, Massachusetts Institute of Technology, Cambridge, MA 02139, USA.,Department of Medicine, Biomaterials Innovation Research Center, Brigham and Women's Hospital, Harvard Medical School, Cambridge, MA 02139, USA.,Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA 02115, USA.,Department of Bioindustrial Technologies, College of Animal Bioscience and Technology, Konkuk University, Hwayang-dong, Gwangjin-gu, Seoul 143-701, Republic of Korea.,Department of Physics, King Abdulaziz University, Jeddah 21569, Saudi Arabia
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