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Wang S, Liu Z, Wang J, Cheng L, Hu J, Tang J. Platelet-rich plasma (PRP) in nerve repair. Regen Ther 2024; 27:244-250. [PMID: 38586873 PMCID: PMC10997806 DOI: 10.1016/j.reth.2024.03.017] [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: 11/21/2023] [Revised: 03/06/2024] [Accepted: 03/15/2024] [Indexed: 04/09/2024] Open
Abstract
Platelet-rich plasma (PRP) has the capability of assisting in the recovery of damaged tissues by releasing a variety of biologically active factors to initiate a hemostatic cascade reaction and promote the synthesis of new connective tissue and revascularization. It is now widely used for tissue engineering repair. In addition, PRP has demonstrated nerve repair and pain relief, and has been studied and applied to the facial nerve, median nerve, sciatic nerve, and central nerve. These suggest that PRP injection therapy has a positive effect on nerve repair. This indicates that PRP has high clinical value and potential application in nerve repair. It is worthwhile for scientists and medical workers to further explore and study PRP to expand its application in nerve repair, and to provide a more reliable scientific basis for the opening of a new approach to nerve repair.
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Affiliation(s)
- Siyu Wang
- Graduate School, Wuhan Sports University, Wuhan, 430079, Hubei, China
| | - Zhengping Liu
- Graduate School, Wuhan Sports University, Wuhan, 430079, Hubei, China
| | - Jianing Wang
- Graduate School, Wuhan Sports University, Wuhan, 430079, Hubei, China
| | - Lulu Cheng
- Graduate School, Wuhan Sports University, Wuhan, 430079, Hubei, China
- College of Acupuncture-Moxibustion and Tuina, Anhui University of Chinese Medicine, Hefei, 230012, China
| | - Jinfeng Hu
- Department of Orthopedics, Wuhan University Renmin Hospital, NO. 239 Jiefang Road, Wuchang District, Wuhan, 430060, Hubei, China
| | - Jin Tang
- Graduate School, Wuhan Sports University, Wuhan, 430079, Hubei, China
- Department of Minimally Invasive Spinal Surgery, The Affiliated Hospital of Wuhan Sports University, NO 279 Luoyu Road, Hongshan District, Wuhan, 430079, Hubei, China
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Anitua E, Troya M, Alkhraisat MH. Effectiveness of platelet derivatives in neuropathic pain management: A systematic review. Biomed Pharmacother 2024; 180:117507. [PMID: 39378680 DOI: 10.1016/j.biopha.2024.117507] [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: 07/04/2024] [Revised: 08/28/2024] [Accepted: 09/25/2024] [Indexed: 10/10/2024] Open
Abstract
BACKGROUND Neuropathic pain (NP) has a considerable impact on the global economic burden and seriously impairs patients' quality of life. Currently there is no evidence-based "effective" treatment and new treatments are needed. Recently, platelet rich plasma (PRP) has emerged as an alternative treatment. Therefore, a systematic review has been conducted to present an evidence-based assessment of the use of PRP in the treatment of NP. METHODS Randomized studies that investigated the effect of PRP injection on patients with NP compared to alternative treatments or placebo were included. An encompassing search of specific databases, from their inception to April 2024, was performed. The databases were as follows: PubMed, Web of Sciences (MEDLINE) and Cochrane Library. The Cochrane Risk-of-Bias 2 tool was used to assess study methodological quality. RESULTS A total of 12 randomized studies with 754 patients with different NP conditions were included in this systematic review. According to the results from the qualitative analysis, PRP injection exerted a positive effect on improving pain intensity on most of the trials (8 out of 12). In the remaining studies, no differences were found. A high safety profile was reported with no serious adverse effects in the analysed patients. CONCLUSION PRP treatment might be an effective therapeutic approach for patients with different neuropathic pain conditions. The efficacy of PRP was not dependant on the aetiology of the underlying disorder; nevertheless, interpretations of the results should be performed cautiously, as for the under-representation of NP conditions.
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Affiliation(s)
- Eduardo Anitua
- BTI Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain.
| | - María Troya
- BTI Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain
| | - Mohammad H Alkhraisat
- BTI Biotechnology Institute, Vitoria, Spain; University Institute for Regenerative Medicine & Oral Implantology, UIRMI (UPV/EHU-Fundación Eduardo Anitua), Vitoria, Spain; Adjunct professor, Faculty of Dentistry, University of Jordan, Amman, Jordan
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Delila L, Nebie O, Le NTN, Timmerman K, Lee DY, Wu YW, Chou ML, Buée L, Chou SY, Blum D, Devos D, Burnouf T. Neuroprotective effects of intranasal extracellular vesicles from human platelet concentrates supernatants in traumatic brain injury and Parkinson's disease models. J Biomed Sci 2024; 31:87. [PMID: 39237980 PMCID: PMC11375990 DOI: 10.1186/s12929-024-01072-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Accepted: 08/11/2024] [Indexed: 09/07/2024] Open
Abstract
BACKGROUND The burgeoning field of regenerative medicine has significantly advanced with recent findings on biotherapies using human platelet lysates (HPLs), derived from clinical-grade platelet concentrates (PCs), for treating brain disorders. These developments have opened new translational research avenues to explore the neuroprotective effects of platelet-extracellular vesicles (PEVs). Their potential in managing neurodegenerative conditions like traumatic brain injury (TBI) and Parkinson's disease (PD) warrants further exploration. We aimed here to characterize the composition of a PEV preparation isolated from platelet concentrate (PC) supernatant, and determine its neuroprotective potential and neurorestorative effects in cellular and animal models of TBI and PD. METHODS We isolated PEVs from the supernatant of clinical-grade PC collected from healthy blood donors utilizing high-speed centrifugation. PEVs were characterized by biophysical, biochemical, microscopic, and LC-MS/MS proteomics methods to unveil biological functions. Their functionality was assessed in vitro using SH-SY5Y neuronal cells, LUHMES dopaminergic neurons, and BV-2 microglial cells, and in vivo by intranasal administration in a controlled cortical impact (CCI)-TBI model using 8-weeks-old male C57/BL6 mice, and in a PD model induced by MPTP in 5-month-old male C57/BL6 mice. RESULTS PEVs varied in size from 50 to 350 nm, predominantly around 200 nm, with concentrations ranging between 1010 and 1011/mL. They expressed specific platelet membrane markers, exhibited a lipid bilayer by cryo-electron microscopy and, importantly, showed low expression of pro-coagulant phosphatidylserine. LC-MS/MS indicated a rich composition of trophic factors, including neurotrophins, anti-inflammatory agents, neurotransmitters, and antioxidants, unveiling their multifaceted biological functions. PEVs aided in the restoration of neuronal functions in SH-SY5Y cells and demonstrated remarkable neuroprotective capabilities against erastin-induced ferroptosis in dopaminergic neurons. In microglial cells, they promoted anti-inflammatory responses, particularly under inflammatory conditions. In vivo, intranasally delivered PEVs showed strong anti-inflammatory effects in a TBI mouse model and conserved tyrosine hydroxylase expression of dopaminergic neurons of the substantia nigra in a PD model, leading to improved motor function. CONCLUSIONS The potential of PEV-based therapies in neuroprotection opens new therapeutic avenues for neurodegenerative disorders. The study advocates for clinical trials to establish the efficacy of PEV-based biotherapies in neuroregenerative medicine.
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Affiliation(s)
- Liling Delila
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France
| | - Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France
- Alzheimer & Tauopathies, Labex DISTALZ, Lille, France
| | - Nhi Thao Ngoc Le
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031, Taiwan
| | - Kelly Timmerman
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France
| | - Deng-Yao Lee
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Biomedical Translation Research Center (BioTReC), Academia Sinica, Taipei, Taiwan
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Institute of Clinical Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - Luc Buée
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France
- Alzheimer & Tauopathies, Labex DISTALZ, Lille, France
- NeuroTMULille, Lille Neuroscience & Cognition, Lille, France
| | - Szu-Yi Chou
- Ph.D. Program in Medical Neuroscience, College of Medical Science and Technology, Taipei Medical University and National Health Research Institute, Taipei, 11031, Taiwan
- NeuroTMULille, Taipei Medical University, Taipei, 11031, Taiwan
- Graduate Institute of Neural Regenerative Medicine, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan
- Neuroscience Research Center, Taipei Medical University, Taipei, 11031, Taiwan
- International Master Program in Medical Neuroscience, College of Medical Science and Technology, Taipei Medical University, Taipei, 11031, Taiwan
| | - David Blum
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France
- Alzheimer & Tauopathies, Labex DISTALZ, Lille, France
- NeuroTMULille, Lille Neuroscience & Cognition, Lille, France
| | - David Devos
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, LiCEND COEN Center, Lille, France.
- NeuroTMULille, Lille Neuroscience & Cognition, Lille, France.
- Department of Medical Pharmacology, Expert Center of Parkinson's Disease and ALS, CHU-Lille, Lille, France.
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, 11031, Taiwan.
- NeuroTMULille, Taipei Medical University, Taipei, 11031, Taiwan.
- International PhD Program in Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, 11031, Taiwan.
- PhD Program in Graduate Institute of Mind Brain and Consciousness, College of Humanities and Social Sciences, Taipei Medical University, Taipei, Taiwan.
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Khaled MM, Ibrahium AM, Abdelgalil AI, El-Saied MA, Yassin AM, Abouquerin N, Rizk H, El-Bably SH. Efficacy of using adipose-derived stem cells and PRP on regeneration of 40 -mm long sciatic nerve defect bridged by polyglycolic-polypropylene mesh in canine model. Stem Cell Res Ther 2024; 15:212. [PMID: 39020391 PMCID: PMC11256418 DOI: 10.1186/s13287-024-03796-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 06/10/2024] [Indexed: 07/19/2024] Open
Abstract
BACKGROUND Sciatic nerve repair becomes a focus of research in neurological aspect to restore the normal physical ability of the animal to stand and walk. Tissue engineered nerve grafts (TENGs) provide a promising alternative therapy for regeneration of large gap defects. The present study investigates the regenerative capacity of PRP, ADSCs, and PRP mixed ADSCs on a long sciatic nerve defect (40-mm) bridged by a polyglycolic polypropylene (PGA-PRL) mesh which acts as a neural scaffold. MATERIALS AND METHODS The study was conducted on 12 adult male mongrel dogs that were randomly divided into 4 groups: Group I (scaffold group); where the sciatic defect was bridged by a (PGA-PRL) mesh only while the mesh was injected with ADSCs in Group II (ADSCs group), PRP in Group III (PRP group). Mixture of PRP and ADSCs was allocated in Group IV (PRP + ADSCs group). Monthly, all animals were monitored for improvement in their gait and a numerical lameness score was recorded for all groups. 6 months-post surgery, the structural and functional recovery of sciatic nerve was evaluated electrophysiologically, and on the level of gene expression, and both sciatic nerve and the gastrocnemius muscle were evaluated morphometrically, histopathologically. RESULTS Numerical lameness score showed improvement in the motor activities of both Group II and Group III followed by Group IV and the scaffold group showed mild improvement even after 6 months. Histopathologically, all treated groups showed axonal sprouting and numerous regenerated fascicles with obvious angiogenesis in proximal cut, and distal portion where Group IV exhibited a significant remyelination with the MCOOL technique. The regenerative ratio of gastrocnemius muscle was 23.81%, 56.68%, 52.06% and 40.69% for Group I, II, III and IV; respectively. The expression of NGF showed significant up regulation in the proximal portion for both Group III and Group IV (P ≤ 0.0001) while Group II showed no significant difference. PDGF-A, and VEGF expressions were up-regulated in Group II, III, and IV whereas Group I showed significant down-regulation for NGF, PDGF-A, and VEGF (P ≤ 0.0001). CONCLUSION ADSCs have a great role in restoring the damaged nerve fibers by secreting several types of growth factors like NGF that have a proliferative effect on Schwann cells and their migration. In addition, PRP therapy potentiates the effect of ADSCs by synthesis another growth factors such as PDGF-A, VEGF, NGF for better healing of large sciatic gap defects.
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Affiliation(s)
- Mona M Khaled
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.
| | - Asmaa M Ibrahium
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Ahmed I Abdelgalil
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Mohamed A El-Saied
- Department of Pathology, Faculty of Veterinary of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Aya M Yassin
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Nagy Abouquerin
- Department of Physiology, Faculty of medicine, Ain shams University, Cairo, Egypt
| | - Hamdy Rizk
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Samah H El-Bably
- Department of Anatomy & Embryology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
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Le NTN, Han CL, Delila L, Nebie O, Chien HT, Wu YW, Buée L, Blum D, Burnouf T. Proteomics of human platelet lysates and insight from animal studies on platelet protein diffusion to hippocampus upon intranasal administration. APL Bioeng 2024; 8:026111. [PMID: 38726021 PMCID: PMC11080963 DOI: 10.1063/5.0196553] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 04/23/2024] [Indexed: 05/12/2024] Open
Abstract
Human platelet lysates (HPLs) from allogeneic platelet concentrates (PCs) are biomaterials, which are rich in various trophic factors, increasingly used in regenerative medicine and biotherapy. Understanding how preparation methods influence the HPL protein profile, biological function, and clinical outcomes is crucial. Our study sheds light on the proteomes and functionality of different HPLs, with the aim of advancing their scientifically grounded clinical applications. To achieve this, PCs suspended in plasma underwent three distinct processing methods, resulting in seven HPL types. We used three characterization techniques: label-free proteomics and tandem mass tag (TMT)-based quantitative proteomics, both before and after the immunodepletion of abundant plasma proteins. Bioinformatic tools assessed the proteome, and western blotting validated our quantitative proteomics data. Subsequent pre-clinical studies with fluorescent labeling and label-free proteomics were used as a proof of concept for brain diffusion. Our findings revealed 1441 proteins detected using the label-free method, 952 proteins from the TMT experiment before and after depletion, and 1114 proteins from the subsequent TMT experiment on depleted HPLs. Most detected proteins were cytoplasmic, playing key roles in catalysis, hemostasis, and immune responses. Notably, the processing methodologies significantly influenced HPL compositions, their canonical pathways, and, consequently, their functionality. Each HPL exhibited specific abundant proteins, providing valuable insight for tailored clinical applications. Immunoblotting results for selected proteins corroborated our quantitative proteomics data. The diffusion and differential effects to the hippocampus of a neuroprotective HPL administered intranasally to mice were demonstrated. This proteomics study advances our understanding of HPLs, suggesting ways to standardize and customize their production for better clinical efficacy in regenerative medicine and biotherapy. Proteomic analyses also offered objective evidence that HPPL, upon intranasal delivery, not only effectively diffuses to the hippocampus but also alters protein expression in mice, bolstering its potential as a treatment for memory impairments.
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Affiliation(s)
- Nhi Thao Ngoc Le
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei, Taiwan
| | - Chia-Li Han
- Master Program in Clinical Genomics and Proteomics, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Liling Delila
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei, Taiwan
| | | | - Hsin-Tung Chien
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei, Taiwan
| | | | - David Blum
- Authors to whom correspondence should be addressed: and . Tel.: +886 988 925 235
| | - Thierry Burnouf
- Authors to whom correspondence should be addressed: and . Tel.: +886 988 925 235
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Burnouf T, Chou ML, Lundy DJ, Chuang EY, Tseng CL, Goubran H. Expanding applications of allogeneic platelets, platelet lysates, and platelet extracellular vesicles in cell therapy, regenerative medicine, and targeted drug delivery. J Biomed Sci 2023; 30:79. [PMID: 37704991 PMCID: PMC10500824 DOI: 10.1186/s12929-023-00972-w] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 08/23/2023] [Indexed: 09/15/2023] Open
Abstract
Platelets are small anucleated blood cells primarily known for their vital hemostatic role. Allogeneic platelet concentrates (PCs) collected from healthy donors are an essential cellular product transfused by hospitals to control or prevent bleeding in patients affected by thrombocytopenia or platelet dysfunctions. Platelets fulfill additional essential functions in innate and adaptive immunity and inflammation, as well as in wound-healing and tissue-repair mechanisms. Platelets contain mitochondria, lysosomes, dense granules, and alpha-granules, which collectively are a remarkable reservoir of multiple trophic factors, enzymes, and signaling molecules. In addition, platelets are prone to release in the blood circulation a unique set of extracellular vesicles (p-EVs), which carry a rich biomolecular cargo influential in cell-cell communications. The exceptional functional roles played by platelets and p-EVs explain the recent interest in exploring the use of allogeneic PCs as source material to develop new biotherapies that could address needs in cell therapy, regenerative medicine, and targeted drug delivery. Pooled human platelet lysates (HPLs) can be produced from allogeneic PCs that have reached their expiration date and are no longer suitable for transfusion but remain valuable source materials for other applications. These HPLs can substitute for fetal bovine serum as a clinical grade xeno-free supplement of growth media used in the in vitro expansion of human cells for transplantation purposes. The use of expired allogeneic platelet concentrates has opened the way for small-pool or large-pool allogeneic HPLs and HPL-derived p-EVs as biotherapy for ocular surface disorders, wound care and, potentially, neurodegenerative diseases, osteoarthritis, and others. Additionally, allogeneic platelets are now seen as a readily available source of cells and EVs that can be exploited for targeted drug delivery vehicles. This article aims to offer an in-depth update on emerging translational applications of allogeneic platelet biotherapies while also highlighting their advantages and limitations as a clinical modality in regenerative medicine and cell therapies.
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Affiliation(s)
- Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.
- International Ph.D. Program in Cell Therapy and Regenerative Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- Institute of Clinical Medicine, National Yang-Ming Chiao Tung University, Taipei, Taiwan
| | - David J Lundy
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Er-Yuan Chuang
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ching-Li Tseng
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Hadi Goubran
- Saskatoon Cancer Centre and College of Medicine, University of Saskatchewan, Saskatchewan, Canada
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Hummel T, Power Guerra N, Gunder N, Hähner A, Menzel S. Olfactory Function and Olfactory Disorders. Laryngorhinootologie 2023; 102:S67-S92. [PMID: 37130532 PMCID: PMC10184680 DOI: 10.1055/a-1957-3267] [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] [Indexed: 05/04/2023]
Abstract
The sense of smell is important. This became especially clear to patients with infection-related olfactory loss during the SARS-CoV-2 pandemic. We react, for example, to the body odors of other humans. The sense of smell warns us of danger, and it allows us to perceive flavors when eating and drinking. In essence, this means quality of life. Therefore, anosmia must be taken seriously. Although olfactory receptor neurons are characterized by regenerative capacity, anosmia is relatively common with about 5 % of anosmic people in the general population. Olfactory disorders are classified according to their causes (e. g., infections of the upper respiratory tract, traumatic brain injury, chronic rhinosinusitis, age) with the resulting different therapeutic options and prognoses. Thorough history taking is therefore important. A wide variety of tools are available for diagnosis, ranging from short screening tests and detailed multidimensional test procedures to electrophysiological and imaging methods. Thus, quantitative olfactory disorders are easily assessable and traceable. For qualitative olfactory disorders such as parosmia, however, no objectifying diagnostic procedures are currently available. Therapeutic options for olfactory disorders are limited. Nevertheless, there are effective options consisting of olfactory training as well as various additive drug therapies. The consultation and the competent discussion with the patients are of major importance.
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Affiliation(s)
- T Hummel
- Interdisziplinäres Zentrum Riechen und Schmecken, HNO Klinik, TU Dresden
| | - N Power Guerra
- Rudolf-Zenker-Institut für Experimentelle Chirurgie, Medizinische Universität Rostock, Rostock
| | - N Gunder
- Universitäts-HNO Klinik Dresden, Dresden
| | - A Hähner
- Interdisziplinäres Zentrum Riechen und Schmecken, HNO Klinik, TU Dresden
| | - S Menzel
- Interdisziplinäres Zentrum Riechen und Schmecken, HNO Klinik, TU Dresden
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Fitzgerald GS, Chuchta TG, McNay EC. Insulin‐like growth factor‐2 is a promising candidate for the treatment and prevention of Alzheimer's disease. CNS Neurosci Ther 2023; 29:1449-1469. [PMID: 36971212 PMCID: PMC10173726 DOI: 10.1111/cns.14160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 02/06/2023] [Accepted: 02/22/2023] [Indexed: 03/29/2023] Open
Abstract
Alzheimer's disease (AD) is the most common form of dementia. Current AD treatments slow the rate of cognitive decline, but do not restore lost function. One reason for the low efficacy of current treatments is that they fail to target neurotrophic processes, which are thought to be essential for functional recovery. Bolstering neurotrophic processes may also be a viable strategy for preventative treatment, since structural losses are thought to underlie cognitive decline in AD. The challenge of identifying presymptomatic patients who might benefit from preventative treatment means that any such treatment must meet a high standard of safety and tolerability. The neurotrophic peptide insulin-like growth factor-2 (IGF2) is a promising candidate for both treating and preventing AD-induced cognitive decline. Brain IGF2 expression declines in AD patients. In rodent models of AD, exogenous IGF2 modulates multiple aspects of AD pathology, resulting in (1) improved cognitive function; (2) stimulation of neurogenesis and synaptogenesis; and, (3) neuroprotection against cholinergic dysfunction and beta amyloid-induced neurotoxicity. Preclinical evidence suggests that IGF2 is likely to be safe and tolerable at therapeutic doses. In the preventative treatment context, the intranasal route of administration is likely to be the preferred method for achieving the therapeutic effect without risking adverse side effects. For patients already experiencing AD dementia, routes of administration that deliver IGF2 directly access the CNS may be necessary. Finally, we discuss several strategies for improving the translational validity of animal models used to study the therapeutic potential of IGF2.
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Affiliation(s)
| | | | - E C McNay
- University at Albany, Albany, New York, USA
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9
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Ghasemian Nafchi H, Azizi Y, Amjadi F, Halvaei I. In vitro effects of plasma rich in growth factors on human teratozoospermic semen samples. Syst Biol Reprod Med 2023:1-9. [PMID: 36919463 DOI: 10.1080/19396368.2023.2180455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
There is a correlation between teratozoospermia and production of reactive oxygen species leading to poor assisted reproductive techniques outcomes. This study aimed to examine the effect of plasma-rich in growth factors (PRGF) on teratozoospermic samples. Twenty-five teratozoospermic samples were included in this study. After sperm preparation, it was divided into four groups, including 0 (control), 1, 5, and 10% PRGF. Sperm motility, viability (eosin-nigrosin staining), morphology (Papanicolaou staining), DNA fragmentation (sperm chromatin dispersion test), mitochondrial membrane potential (JC-1 staining by flow cytometry), and lipid peroxidation (measurement of malondialdehyde, MDA) were evaluated before and after 1 h of incubation with or without PRGF. Our results showed that after 1 h of incubation, the addition of 1% PRGF improved sperm progressive motility (47.72 ± 13.76%) compared to the control group (17.36 ± 8.50%) (p < 0.001). Also, 1% PRGF preserved the sperm's total motility (77.50 ± 13.28% vs. 65.63 ± 19.03%, for 1% PRGF and control, respectively) and viability after incubation. The rate of normal sperm morphology was the same between different groups. Higher mitochondrial membrane potential and lower DNA fragmentation were also observed in sperm treated with different concentrations of PRGF compared to the control group, but the differences were non-significant. The MDA levels were significantly decreased in PRGF-treated groups compared to the control group (0.99 ± 0.62, 0.95 ± 0.33, 0.95 ± 0.79, and 1.49 ± 0.27 for 1% PRGF, 5% PRGF, 10% PRGF and control, respectively). Based on our results, it seems that PRGF incubation can improve sperm parameters and especially decrease the level of malondialdehyde as an indicator of oxidative stress, which is one of the main problems of teratozoospermic samples.
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Affiliation(s)
| | - Yaser Azizi
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran.,Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemehsadat Amjadi
- Department of Anatomy, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Iman Halvaei
- Department of Anatomical Sciences, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran
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Beitia M, Delgado D, Mercader J, Sánchez P, López de Dicastillo L, Sánchez M. Action of Platelet-Rich Plasma on In Vitro Cellular Bioactivity: More than Platelets. Int J Mol Sci 2023; 24:ijms24065367. [PMID: 36982439 PMCID: PMC10049396 DOI: 10.3390/ijms24065367] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/18/2023] Open
Abstract
Platelet-rich plasma (PRP) is a biological therapy in which one of the mechanisms of action is the stimulation of biological processes such as cell proliferation. The size of PRP’s effect depends on multiple factors, one of the most important being the composition of PRP. The aim of this study was to analyze the relationship between cell proliferation and the levels of certain growth factors (IGF-1, HGF, PDGF, TGF-β and VEG) in PRP. First, the composition and effect on cell proliferation of PRP versus platelet-poor plasma (PPP) were compared. Subsequently, the correlation between each growth factor of PRP and cell proliferation was evaluated. Cell proliferation was higher in cells incubated with lysates derived from PRP compared to those cultured with lysates derived from PPP. In terms of composition, the levels of PDGF, TGF-β, and VEGF were significantly higher in PRP. When analyzing the PRP growth factors, IGF-1 was the only factor that correlated significantly with cell proliferation. Of those analyzed, the level of IGF-1 was the only one that did not correlate with platelet levels. The magnitude of PRP’s effect depends not only on platelet count but also on other platelet-independent molecules.
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Affiliation(s)
- Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
| | - Jon Mercader
- Microfluidics Cluster UPV/EHU, BIOMICs Microfluidics Group, Lascaray Research Center, University of the Basque Country UPV/EHU, 01006 Vitoria-Gasteiz, Spain
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
| | - Pello Sánchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
| | | | - Mikel Sánchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain
- Correspondence: ; Tel.: +34-945-252077
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11
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Delila L, Nebie O, Le NTN, Barro L, Chou M, Wu Y, Watanabe N, Takahara M, Buée L, Blum D, Devos D, Burnouf T. Neuroprotective activity of a virus-safe nanofiltered human platelet lysate depleted of extracellular vesicles in Parkinson's disease and traumatic brain injury models. Bioeng Transl Med 2023; 8:e10360. [PMID: 36684076 PMCID: PMC9842020 DOI: 10.1002/btm2.10360] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Revised: 05/15/2022] [Accepted: 06/07/2022] [Indexed: 01/25/2023] Open
Abstract
Brain administration of human platelet lysates (HPL) is a potential emerging biotherapy of neurodegenerative and traumatic diseases of the central nervous system. HPLs being prepared from pooled platelet concentrates, thereby increasing viral risks, manufacturing processes should incorporate robust virus-reduction treatments. We evaluated a 19 ± 2-nm virus removal nanofiltration process using hydrophilic regenerated cellulose hollow fibers on the properties of a neuroprotective heat-treated HPL (HPPL). Spiking experiments demonstrated >5.30 log removal of 20-22-nm non-enveloped minute virus of mice-mock particles using an immuno-quantitative polymerase chain reaction assay. The nanofiltered HPPL (NHPPL) contained a range of neurotrophic factors like HPPL. There was >2 log removal of extracellular vesicles (EVs), associated with decreased expression of pro-thrombogenic phosphatidylserine and procoagulant activity. LC-MS/MS proteomics showed that ca. 80% of HPPL proteins, including neurotrophins, cytokines, and antioxidants, were still found in NHPPL, whereas proteins associated with some infections and cancer-associated pathways, pro-coagulation and EVs, were removed. NHPPL maintained intact neuroprotective activity in Lund human mesencephalic dopaminergic neuron model of Parkinson's disease (PD), stimulated the differentiation of SH-SY5Y neuronal cells and showed preserved anti-inflammatory function upon intranasal administration in a mouse model of traumatic brain injury (TBI). Therefore, nanofiltration of HPL is feasible, lowers the viral, prothrombotic and procoagulant risks, and preserves the neuroprotective and anti-inflammatory properties in neuronal pre-clinical models of PD and TBI.
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Affiliation(s)
- Liling Delila
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
| | - Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
- Univ. Lille, Inserm, CHU‐Lille, U1172, Lille Neuroscience & CognitionLilleFrance
- Alzheimer & TauopathiesLabex DISTALZLilleFrance
| | - Nhi Thao Ngoc Le
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
| | - Lassina Barro
- International PhD Program in Biomedical Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
- Present address:
National Center of Blood TransfusionOuagadougouBurkina Faso
| | - Ming‐Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
- Present address:
Institute of Clinical Medicine, National Yang Ming Chiao Tung UniversityTaipeiTaiwan
| | - Yu‐Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
| | | | | | - Luc Buée
- Univ. Lille, Inserm, CHU‐Lille, U1172, Lille Neuroscience & CognitionLilleFrance
- Alzheimer & TauopathiesLabex DISTALZLilleFrance
- NeuroTMULilleLille Neuroscience & CognitionLilleFrance
| | - David Blum
- Univ. Lille, Inserm, CHU‐Lille, U1172, Lille Neuroscience & CognitionLilleFrance
- Alzheimer & TauopathiesLabex DISTALZLilleFrance
- NeuroTMULilleLille Neuroscience & CognitionLilleFrance
| | - David Devos
- Univ. Lille, Inserm, CHU‐Lille, U1172, Lille Neuroscience & CognitionLilleFrance
- NeuroTMULilleLille Neuroscience & CognitionLilleFrance
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
- International PhD Program in Biomedical Engineering, College of Biomedical EngineeringTaipei Medical UniversityTaipeiTaiwan
- NeuroTMULilleTaipei Medical UniversityTaipeiTaiwan
- International PhD Program in Cell Therapy and Regeneration MedicineTaipei Medical UniversityTaipeiTaiwan
- PhD Program in Graduate Institute of Mind Brain and Consciousness, College of Humanities and Social SciencesTaipei Medical UniversityTaipeiTaiwan
- Neuroscience Research CenterTaipei Medical UniversityTaipeiTaiwan
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12
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The multifaceted role of platelets in mediating brain function. Blood 2022; 140:815-827. [PMID: 35609283 PMCID: PMC9412009 DOI: 10.1182/blood.2022015970] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 05/11/2022] [Indexed: 11/30/2022] Open
Abstract
Platelets, the small, anucleate blood cells that originate from megakaryocytes in the bone marrow, are typically associated with coagulation. However, it is now apparent that platelets are more multifaceted than originally thought, with their function extending beyond their traditional role in hemostasis to acting as important mediators of brain function. In this review, we outline the broad repertoire of platelet function in the central nervous system, focusing on the similarities between platelets and neurons. We also summarize the role that platelets play in the pathophysiology of various neurological diseases, with a particular focus on neuroinflammation and neurodegeneration. Finally, we highlight the exciting prospect of harnessing the unique features of the platelet proteome and extracellular vesicles, which are rich in neurotrophic, antioxidative, and antiinflammatory factors, for the development of novel neuroprotective and neuroregenerative interventions to treat various neurodegenerative and traumatic pathologies.
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13
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Role of Platelet in Parkinson’s Disease: Insights into Pathophysiology & Theranostic Solutions. Ageing Res Rev 2022; 80:101681. [DOI: 10.1016/j.arr.2022.101681] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/19/2022] [Accepted: 06/29/2022] [Indexed: 11/21/2022]
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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: 6] [Impact Index Per Article: 3.0] [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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15
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Mirzaei J, Movahedin M, Halvaei I. Plasma-Rich in Growth Factors Ameliorates Detrimental Effects of Cryopreservation on Human Sperm: A Prospective Study. CELL JOURNAL 2022; 24:330-336. [PMID: 35892237 PMCID: PMC9315212 DOI: 10.22074/cellj.2022.8119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/08/2021] [Indexed: 11/07/2022]
Abstract
Objective Sperm cryopreservation results in damage to membrane integrity, sperm viability, sperm motility, and DNA structure. We aimed to evaluate the effect of plasma rich in growth factors (PRGF) on sperm parameters during the freeze-thaw process. Materials and Methods In the first phase of this prospective study, after sperm preparation, 10 normozoospermic specimens were cryopreserved by rapid freezing with different concentrations of PRGF including 0, 1, 5, and 10% to find the optimum dose. Sperm motility and viability were assessed in this phase. In the second phase of the study, based on the results of first phase, 25 normal sperm samples were frozen with 1% PRGF. All sperm parameters including motility, viability, acrosome reaction, and DNA integrity were assessed before freezing and after thawing. Results The rates of progressive and total sperm motility and viability were significantly higher in 1% PRGF compared to control, 5%, and 10% PRGF in the first phase (P<0.05). Supplementation of freezing medium with 1% PRGF could significantly improve all sperm parameters including sperm motility, viability, normal morphology, acrosome integrity, chromatin structure, chromatin integrity, DNA denaturation, and DNA fragmentation in comparison with the control group. Conclusion It appears that the supplementation of freezing medium with 1% PRGF could protect human sperm parameters during cryopreservation.
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Affiliation(s)
| | | | - Iman Halvaei
- Department of Anatomical SciencesFaculty of Medical SciencesTarbiat Modares UniversityTehranIran
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16
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Harguindey S, Alfarouk K, Polo Orozco J, Reshkin SJ, Devesa J. Hydrogen Ion Dynamics as the Fundamental Link between Neurodegenerative Diseases and Cancer: Its Application to the Therapeutics of Neurodegenerative Diseases with Special Emphasis on Multiple Sclerosis. Int J Mol Sci 2022; 23:ijms23052454. [PMID: 35269597 PMCID: PMC8910484 DOI: 10.3390/ijms23052454] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 02/17/2022] [Accepted: 02/21/2022] [Indexed: 02/01/2023] Open
Abstract
The pH-related metabolic paradigm has rapidly grown in cancer research and treatment. In this contribution, this recent oncological perspective has been laterally assessed for the first time in order to integrate neurodegeneration within the energetics of the cancer acid-base conceptual frame. At all levels of study (molecular, biochemical, metabolic, and clinical), the intimate nature of both processes appears to consist of opposite mechanisms occurring at the far ends of a physiopathological intracellular pH/extracellular pH (pHi/pHe) spectrum. This wide-ranging original approach now permits an increase in our understanding of these opposite processes, cancer and neurodegeneration, and, as a consequence, allows us to propose new avenues of treatment based upon the intracellular and microenvironmental hydrogen ion dynamics regulating and deregulating the biochemistry and metabolism of both cancer and neural cells. Under the same perspective, the etiopathogenesis and special characteristics of multiple sclerosis (MS) is an excellent model for the study of neurodegenerative diseases and, utilizing this pioneering approach, we find that MS appears to be a metabolic disease even before an autoimmune one. Furthermore, within this paradigm, several important aspects of MS, from mitochondrial failure to microbiota functional abnormalities, are analyzed in depth. Finally, and for the first time, a new and integrated model of treatment for MS can now be advanced.
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Affiliation(s)
- Salvador Harguindey
- Division of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
- Correspondence: ; Tel.: +34-629-047-141
| | - Khalid Alfarouk
- Institute of Endemic Diseases, University of Khartoum, Khartoum 11111, Sudan;
| | - Julián Polo Orozco
- Division of Oncology, Institute of Clinical Biology and Metabolism, 01004 Vitoria, Spain;
| | - Stephan J Reshkin
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, 70125 Bari, Italy;
| | - Jesús Devesa
- Scientific Direction, Foltra Medical Centre, 15886 Teo, Spain;
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17
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Zappa Villar MF, López Hanotte J, Crespo R, Pardo J, Reggiani PC. Insulin-like growth factor 1 gene transfer for sporadic Alzheimer's disease: New evidence for trophic factor mediated hippocampal neuronal and synaptic recovery-based behavior improvement. Hippocampus 2021; 31:1137-1153. [PMID: 34324234 DOI: 10.1002/hipo.23379] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 06/04/2021] [Accepted: 07/19/2021] [Indexed: 12/23/2022]
Abstract
Sporadic Alzheimer's disease (sAD) is the most prevalent neurodegenerative disorder with no cure. Patients typically suffer from cognitive impairment imprinted by irreversible neocortex and hippocampal degeneration with overt synaptic and neuron dysfunction. Insulin-like growth factor 1 (IGF1) has proven to be a potent neuroprotective molecule in animal models of age-related neurodegeneration. In this regard, adenoviral gene transfer aiming at IGF1 brain overexpression has been hitherto an underexplored approach for the sAD treatment. We postulated enhanced IGF1 signaling in the brain as a restorative means in the diseased brain to revert cognitive deficit and restore hippocampal function. We implemented recombinant adenovirus mediated intracerebroventricular IGF1 gene transfer on the streptozotocin (STZ) induced sAD rat model, using 3-month-old male Sprague Dawley rats. This approach enhanced IGF1 signaling in the hippocampus and dampened sAD phosphorylated Tau. We found a remarkable short-term improvement in species-typical behavior, recognition memory, spatial memory, and depressive-like behavior. Histological analysis revealed a significant recovery of immature hippocampal neurons. We additionally recorded an increase in hippocampal microglial cells, which we suggest to exert anti-inflammatory effects. Finally, we found decreased levels of pre- and postsynaptic proteins in the hippocampus of STZ animals. Interestingly, IGF1 gene transfer increased the levels of PSD95 and GAD65/67 synaptic markers, indicating that the treatment enhanced the synaptic plasticity. We conclude that exogenous activation of IGF1 signaling pathway, 1 week after intracerebroventricular STZ administration, protects hippocampal immature neurons, dampens phosphorylated Tau levels, improves synaptic function and therefore performs therapeutically on the sAD STZ model. Hence, this study provides strong evidence for the use of this trophic factor to treat AD and age-related neurodegeneration.
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Affiliation(s)
- María Florencia Zappa Villar
- Institute for Biochemical Research (INIBIOLP)-National Scientific and Technical Research Council (CONICET)-School of Medical Sciences, National University of La Plata (UNLP), La Plata, Argentina
| | - Juliette López Hanotte
- Institute for Biochemical Research (INIBIOLP)-National Scientific and Technical Research Council (CONICET)-School of Medical Sciences, National University of La Plata (UNLP), La Plata, Argentina
| | - Rosana Crespo
- Institute of Experimental Pharmacology of Córdoba (IFEC-CONICET), Department of Pharmacology, School of Chemical Sciences, National University of Córdoba, Córdoba, Argentina
| | - Joaquín Pardo
- Institute for Biochemical Research (INIBIOLP)-National Scientific and Technical Research Council (CONICET)-School of Medical Sciences, National University of La Plata (UNLP), La Plata, Argentina.,Molecular Neuromodulation, Wallenberg Neuroscience Center, Lund University, Lund, Sweden
| | - Paula Cecilia Reggiani
- Institute for Biochemical Research (INIBIOLP)-National Scientific and Technical Research Council (CONICET)-School of Medical Sciences, National University of La Plata (UNLP), La Plata, Argentina.,Department of Cytology, Histology and Embryology B, School of Medical Sciences, UNLP, La Plata, Argentina
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18
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Al-Hamed FS, Rodan R, Ramirez-Garcialuna JL, Elkashty O, Al-Shahrani N, Tran SD, Lordkipanidzé M, Kaartinen M, Badran Z, Tamimi F. The effect of aging on the bone healing properties of blood plasma. Injury 2021; 52:1697-1708. [PMID: 34049703 DOI: 10.1016/j.injury.2021.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 05/01/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Age-related changes in blood composition have been found to affect overall health. Thus, this study aimed to understand the effect of these changes on bone healing by assessing how plasma derived from young and old rats affect bone healing using a rat model. METHODS . Blood plasma was collected from 6-month and 24-month old rats. Differences in elemental composition and metabolome were assessed using optical emission spectrometry and liquid mass spectrometry, respectively. Bilateral tibial bone defects were created in eight rats. Young plasma was randomly applied to one defect, while aged plasma was applied to the contralateral one. Rats were euthanized after two weeks, and their tibiae were analyzed using micro-CT and histology. The proteome of bone marrow was analyzed in an additional group of three rats. RESULTS Bone-defects treated with aged-plasma were significantly bigger in size and presented lower bone volume/tissue volume compared to defects treated with young-plasma. Histomorphometric analysis showed fewer mast cells, macrophages, and lymphocytes in defects treated with old versus young plasma. The proteome analysis showed that young plasma upregulated pathways required for bone healing (e.g. RUNX2, platelet signaling, and crosslinking of collagen fibrils) whereas old plasma upregulated pathways, involved in disease and inflammation (e.g. IL-7, IL-15, IL-20, and GM-CSF signaling). Plasma derived from old rats presented higher concentrations of iron, phosphorous, and nucleotide metabolites as well as lower concentrations of platelets, citric acid cycle, and pentose phosphate pathway metabolites compared to plasma derived from young rats. CONCLUSION bone defects treated with plasma-derived from young rats showed better healing compared to defects treated with plasma-derived from old rats. The application of young and old plasmas has different effects on the proteome of bone defects.
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Affiliation(s)
| | - Rania Rodan
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Senior specialist in periodontology, Royal Medical Services, Amman, Jordan
| | - Jose Luis Ramirez-Garcialuna
- Faculty of Medicine, McGill University, Montreal, QC, Canada; The Bone Engineering Labs, Research Institute McGill University Health Center, Montreal, QC, Canada
| | - Osama Elkashty
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Faculty of Dentistry, Mansoura University, Mansoura, Egypt
| | | | - Simon D Tran
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Marie Lordkipanidzé
- Faculté de pharmacie, Université de Montréal, Montréal, QC, Canada; Research Center, Montreal Heart Institute, Montreal, QC, Canada
| | - Mari Kaartinen
- Faculty of Dentistry, McGill University, Montreal, QC, Canada
| | - Zahi Badran
- Faculty of Dentistry, McGill University, Montreal, QC, Canada; Department of Periodontology (CHU/Rmes Inserm U1229/UIC11), Faculty of Dental Surgery, University of Nantes, Nantes, France; College of Dental Medicine, University of Sharjah, Sharjah, United Arab Emirates
| | - Faleh Tamimi
- College of Dental Medicine, Qatar University, Doha, Qatar.
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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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20
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Ruzafa N, Pereiro X, Fonollosa A, Araiz J, Acera A, Vecino E. The Effect of Plasma Rich in Growth Factors on Microglial Migration, Macroglial Gliosis and Proliferation, and Neuronal Survival. Front Pharmacol 2021; 12:606232. [PMID: 33716738 PMCID: PMC7953148 DOI: 10.3389/fphar.2021.606232] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 01/25/2021] [Indexed: 12/21/2022] Open
Abstract
Plasma rich in growth factors (PRGF) is a subtype of platelet-rich plasma that has being employed in the clinic due to its capacity to accelerate tissue regeneration. Autologous PRGF has been used in ophthalmology to repair a range of retinal pathologies with some efficiency. In the present study, we have explored the role of PRGF and its effect on microglial motility, as well as its possible pro-inflammatory effects. Organotypic cultures from adult pig retinas were used to test the effect of the PRGF obtained from human as well as pig blood. Microglial migration, as well as gliosis, proliferation and the survival of retinal ganglion cells (RGCs) were analyzed by immunohistochemistry. The cytokines present in these PRGFs were analyzed by multiplex ELISA. In addition, we set out to determine if blocking some of the inflammatory components of PRGF alter its effect on microglial migration. In organotypic cultures, PRGF induces microglial migration to the outer nuclear layers as a sign of inflammation. This phenomenon could be due to the presence of several cytokines in PRGF that were quantified here, such as the major pro-inflammatory cytokines IL-1β, IL-6 and TNFα. Heterologous PRGF (human) and longer periods of cultured (3 days) induced more microglia migration than autologous porcine PRGF. Moreover, the migratory effect of microglia was partially mitigated by: 1) heat inactivation of the PRGF; 2) the presence of dexamethasone; or 3) anti-cytokine factors. Furthermore, PRGF seems not to affect gliosis, proliferation or RGC survival in organotypic cultures of adult porcine retinas. PRGF can trigger an inflammatory response as witnessed by the activation of microglial migration in the retina. This can be prevented by using autologous PRGF or if this is not possible due to autoimmune diseases, by mitigating its inflammatory effect. In addition, PRGF does not increase either the proliferation rate of microglial cells or the survival of neurons. We cannot discard the possible positive effect of microglial cells on retinal function. Further studies should be performed to warrant the use of PRGF on the nervous system.
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Affiliation(s)
- Noelia Ruzafa
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Begiker-Ophthalmology Research Group, BioCruces Health Research Institute, Cruces Hospital, Bilbao, Spain
| | - Xandra Pereiro
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Begiker-Ophthalmology Research Group, BioCruces Health Research Institute, Cruces Hospital, Bilbao, Spain
| | - Alex Fonollosa
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Begiker-Ophthalmology Research Group, BioCruces Health Research Institute, Cruces Hospital, Bilbao, Spain
- Department of Ophthalmology, University of Basque Country UPV/EHU, Leioa, Spain
| | - Javier Araiz
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Begiker-Ophthalmology Research Group, BioCruces Health Research Institute, Cruces Hospital, Bilbao, Spain
| | - Arantxa Acera
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Biodonostia Health Research Institute, Donostia Hospital, San Sebastian, Spain
| | - Elena Vecino
- Experimental Ophthalmo-Biology Group (GOBE, www-ehu.eus/GOBE), Department of Cell Biology and Histology, University of Basque Country UPV/EHU, Leioa, Spain
- Begiker-Ophthalmology Research Group, BioCruces Health Research Institute, Cruces Hospital, Bilbao, Spain
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21
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Valizadeh A, Asghari S, Bastani S, Sarvari R, Keyhanvar N, Razin SJ, Khiabani AY, Yousefi B, Yousefi M, Shoae-Hassani A, Mahmoodpoor A, Hamishehkar H, Tavakol S, Keshel SH, Nouri M, Seifalian AM, Keyhanvar P. Will stem cells from fat and growth factors from blood bring new hope to female patients with reproductive disorders? Reprod Biol 2021; 21:100472. [PMID: 33639342 DOI: 10.1016/j.repbio.2020.100472] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 11/21/2020] [Accepted: 12/06/2020] [Indexed: 01/05/2023]
Abstract
Female reproductive system disorders (FRSD) with or without infertility are prevalent women's health problems with a variety of treatment approaches including surgery and hormone therapy. It currently considering to sub-branch of regenerative medicine including stem cells or growth factors injection-based delivery treatment might be improved female reproductive health life. The most common products used for these patients treatment are autologous cell or platelet-based products from patients, including platelet-rich plasma, plasma rich in growth factor, platelet-rich fibrin, and stromal vascular fraction. In this review, we discuss each of the above products used in treatment of FRSD and critically evaluate the clinical outcome.
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Affiliation(s)
- Amir Valizadeh
- Stem Cell Research Center, Stem Cells and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Samira Asghari
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Bastani
- Stem Cell Research Center, Stem Cells and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Raana Sarvari
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Neda Keyhanvar
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Gene Yakhteh Keyhan (Genik) Company (Ltd), Pharmaceutical Biotechnology Incubator, Tabriz University of Medical Sciences, Tabriz, Iran; ARTAN1100 Startup Accelerator, Tabriz, Iran
| | - Sepideh Jalilzadeh Razin
- Stem Cell Research Center, Stem Cells and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Yousefzadeh Khiabani
- Department of Epidemiology and Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - Bahman Yousefi
- Department of Clinical Biochemistry and Laboratory Medicine, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mehdi Yousefi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alireza Shoae-Hassani
- Stem Cell and Regenerative Medicine Research Center, Iran University of Medical Sciences, Tehran, Iran; Andam Baft Yakhteh (ABY) Company (Ltd), Tehran, Iran
| | - Ata Mahmoodpoor
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Hamed Hamishehkar
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Shima Tavakol
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Heidari Keshel
- Medical Nanotechnology Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Department of Tissue Engineering and Applied Cell Science, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Nouri
- Stem Cell Research Center, Stem Cells and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran; ARTAN1100 Startup Accelerator, Tabriz, Iran; Zist Andam Yakhteh Azerbaijan (ZAYA) Company (PHT), Medical Instrument Technology Incubator, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Alexander Marcus Seifalian
- Nanotechnology and Regenerative Medicine Commercialization Centre (Ltd), The London Innovation Bio Science Centre, London NW1 0NH, United Kingdom
| | - Peyman Keyhanvar
- Stem Cell Research Center, Stem Cells and Regenerative Medicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran; ARTAN1100 Startup Accelerator, Tabriz, Iran; Zist Andam Yakhteh Azerbaijan (ZAYA) Company (PHT), Medical Instrument Technology Incubator, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Medical Nanotechnology, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran; HealthNBICS Group, Convergence of Knowledge and Technology to the benefit of Society Network (CKTSN), Universal Scientific Education and Research Network (USERN), Tabriz, Iran.
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22
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Delgado D, Bilbao AM, Beitia M, Garate A, Sánchez P, González-Burguera I, Isasti A, López De Jesús M, Zuazo-Ibarra J, Montilla A, Domercq M, Capetillo-Zarate E, García del Caño G, Sallés J, Matute C, Sánchez M. Effects of Platelet-Rich Plasma on Cellular Populations of the Central Nervous System: The Influence of Donor Age. Int J Mol Sci 2021; 22:ijms22041725. [PMID: 33572157 PMCID: PMC7915891 DOI: 10.3390/ijms22041725] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/12/2021] [Accepted: 02/03/2021] [Indexed: 02/06/2023] Open
Abstract
Platelet-rich plasma (PRP) is a biologic therapy that promotes healing responses across multiple medical fields, including the central nervous system (CNS). The efficacy of this therapy depends on several factors such as the donor's health status and age. This work aims to prove the effect of PRP on cellular models of the CNS, considering the differences between PRP from young and elderly donors. Two different PRP pools were prepared from donors 65‒85 and 20‒25 years old. The cellular and molecular composition of both PRPs were analyzed. Subsequently, the cellular response was evaluated in CNS in vitro models, studying proliferation, neurogenesis, synaptogenesis, and inflammation. While no differences in the cellular composition of PRPs were found, the molecular composition of the Young PRP showed lower levels of inflammatory molecules such as CCL-11, as well as the presence of other factors not found in Aged PRP (GDF-11). Although both PRPs had effects in terms of reducing neural progenitor cell apoptosis, stabilizing neuronal synapses, and decreasing inflammation in the microglia, the effect of the Young PRP was more pronounced. In conclusion, the molecular composition of the PRP, conditioned by the age of the donors, affects the magnitude of the biological response.
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Affiliation(s)
- Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain; (D.D.); (M.B.); (A.G.); (P.S.)
| | - Ane Miren Bilbao
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain;
| | - Maider Beitia
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain; (D.D.); (M.B.); (A.G.); (P.S.)
| | - Ane Garate
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain; (D.D.); (M.B.); (A.G.); (P.S.)
| | - Pello Sánchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain; (D.D.); (M.B.); (A.G.); (P.S.)
| | - Imanol González-Burguera
- Department of Neurosciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01008 Vitoria-Gasteiz, Spain; (I.G.-B.); (G.G.d.C.)
- Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain; (A.I.); (M.L.D.J.); (J.S.)
| | - Amaia Isasti
- Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain; (A.I.); (M.L.D.J.); (J.S.)
- Department of Pharmacology, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01008 Vitoria-Gasteiz, Spain
| | - Maider López De Jesús
- Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain; (A.I.); (M.L.D.J.); (J.S.)
- Department of Pharmacology, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01008 Vitoria-Gasteiz, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), 28029 Madrid, Spain
| | - Jone Zuazo-Ibarra
- Achucarro Basque Center for Neuroscience, CIBERNED and Departamento de Neurociencias, Universidad del País Vasco (UPV/EHU), 48940 Leioa, Spain; (J.Z.-I.); (A.M.); (M.D.); (E.C.-Z.); (C.M.)
| | - Alejandro Montilla
- Achucarro Basque Center for Neuroscience, CIBERNED and Departamento de Neurociencias, Universidad del País Vasco (UPV/EHU), 48940 Leioa, Spain; (J.Z.-I.); (A.M.); (M.D.); (E.C.-Z.); (C.M.)
| | - María Domercq
- Achucarro Basque Center for Neuroscience, CIBERNED and Departamento de Neurociencias, Universidad del País Vasco (UPV/EHU), 48940 Leioa, Spain; (J.Z.-I.); (A.M.); (M.D.); (E.C.-Z.); (C.M.)
| | - Estibaliz Capetillo-Zarate
- Achucarro Basque Center for Neuroscience, CIBERNED and Departamento de Neurociencias, Universidad del País Vasco (UPV/EHU), 48940 Leioa, Spain; (J.Z.-I.); (A.M.); (M.D.); (E.C.-Z.); (C.M.)
- IKERBASQUE, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Gontzal García del Caño
- Department of Neurosciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01008 Vitoria-Gasteiz, Spain; (I.G.-B.); (G.G.d.C.)
- Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain; (A.I.); (M.L.D.J.); (J.S.)
| | - Joan Sallés
- Bioaraba, Neurofarmacología Celular y Molecular, 01008 Vitoria-Gasteiz, Spain; (A.I.); (M.L.D.J.); (J.S.)
- Department of Pharmacology, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01008 Vitoria-Gasteiz, Spain
- Centro de Investigación Biomédica en Red de Salud Mental (CIBERSAM), 28029 Madrid, Spain
| | - Carlos Matute
- Achucarro Basque Center for Neuroscience, CIBERNED and Departamento de Neurociencias, Universidad del País Vasco (UPV/EHU), 48940 Leioa, Spain; (J.Z.-I.); (A.M.); (M.D.); (E.C.-Z.); (C.M.)
| | - Mikel Sánchez
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain; (D.D.); (M.B.); (A.G.); (P.S.)
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, 01008 Vitoria-Gasteiz, Spain;
- Correspondence: ; Tel.: +34-945-252077
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23
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Delila L, Wu YW, Nebie O, Widyaningrum R, Chou ML, Devos D, Burnouf T. Extensive characterization of the composition and functional activities of five preparations of human platelet lysates for dedicated clinical uses. Platelets 2020; 32:259-272. [PMID: 33245683 DOI: 10.1080/09537104.2020.1849603] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Human platelet lysates (HPLs), rich in various growth factors and cell growth-promoting molecules, encompass a new range of blood products that are being used for regenerative medicine, cell therapies, and tissue engineering. Well-characterized dedicated preparations, tailor-made to best fit specific therapeutic applications, are needed for optimal clinical efficacy and safety. Here, five types of HPL were prepared from the same platelet concentrates and extensively characterized to determine and compare their proteins, growth factors, cytokines, biochemical profiles, thrombin-generating capacities, thrombin-associated proteolytic activities, phospholipid-associated procoagulant potential, contents of extracellular vesicles expressing phosphatidylserine and tissue factor, and antioxidative properties. Our results revealed that all five HPL preparations contained detectable supraphysiological levels, in the ca. 0.1 ~ 350-ng/ml range, of all growth factors assessed, except insulin-like growth factor-1 detected only in HPL containing plasma. There were significant differences observed among these HPLs in total protein content, fibrinogen, complement components C3 and C4, albumin, and immunoglobulin G, and, most importantly, in their functional coagulant and procoagulant activities and antioxidative capacities. Our data revealed that the biochemical and functional properties of HPL preparations greatly vary depending upon their mode of production, with potential impacts on the safety and efficacy for certain clinical indications. Modes of preparation of HPLs should be carefully designed, and the product properties carefully evaluated based on the intended therapeutic use to ensure optimal clinical outcomes.
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Affiliation(s)
- Liling Delila
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Rifa Widyaningrum
- International PhD Program in Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - David Devos
- Univ. Lille, CHU-Lille, Inserm, U1172, Lille Neuroscience & Cognition, 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.,Research Center of Biomedical Devices, 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.,PhD Program in Graduate Institute of Mind Brain and Consciousness, College of Humanities and Social Sciences, Taipei Medical University, Taipei, Taiwan
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24
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Kokkalas N, Kokotis P, Diamantopoulou K, Galanos A, Lelovas P, Papachristou DJ, Dontas IA, Triantafyllopoulos IK. Platelet-rich Plasma and Mesenchymal Stem Cells Local Infiltration Promote Functional Recovery and Histological Repair of Experimentally Transected Sciatic Nerves in Rats. Cureus 2020; 12:e8262. [PMID: 32596080 PMCID: PMC7313431 DOI: 10.7759/cureus.8262] [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] [Indexed: 01/30/2023] Open
Abstract
Introduction Platelet-rich plasma (PRP) products and mesenchymal stem cells (MSCs) seem to have a significant potential as neurogenic therapeutic modulator systems. This study aimed to investigate such biological blood derivatives that could enhance nerve regeneration when applied locally in the primary repair of peripheral nerve transection of an experimental rat model. Methods A total of 42 two-month-old male Wistar rats were divided into three “treatment” groups (control, PRP, and MSCs). All the subjects were operated under anesthesia, and the surgical site was infiltrated with either normal saline, PRP derived from the animal’s peripheral blood, or MSCs derived from the animal’s femoral bone marrow. All three groups were also sub-divided into two sub-groups based on the post-operative administration of Non-steroidal anti-inflammatory drugs (NSAIDs) or not in order to evaluate the effect of NSAIDs on the final outcome. Three months post-surgery, electromyography evaluation of both hind limbs (right operated and left non-operated) was performed. The animals were euthanized, and nerve repair specimens were prepared for histology. Results PRP group had a significant effect (p<0.05) on the sciatic nerve repair when compared with the control group, whereas the MSC group had a positive effect but was not statistically significant (p=0.2). The number of counted neural axons at the area distal to the nerve repair site were significantly repetitive (p<0.05) in both the PRP and MSC groups when compared with the control group. Conclusions Both PRP and MSCs appear to play an essential role in the enhancement of nerve repair in terms of functionality and histology. MSCs group demonstrated a positive effect, whereas the PRP group showed statistically significant better results.
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Affiliation(s)
- Nikolaos Kokkalas
- Orthopaedics, Laboratory for Research of the Musculoskeletal System, KAT General Hospital, Medical School, National & Kapodistrian University of Athens, Athens, GRC
| | - Panagiotis Kokotis
- Neurology, Laboratory of Clinical Neurophysiology, Aeginitio Hospital, Medical School, National & Kapodistrian University of Athens, Athens, GRC
| | | | - Antonios Galanos
- Epidemiology and Public Health, Laboratory for Research of the Musculoskeletal System, KAT General Hospital, Medical School, National & Kapodistrian University of Athens, Athens, GRC
| | - Pavlos Lelovas
- Veterinary Medicine, Laboratory for Research of the Musculoskeletal System, KAT General Hospital, Medical School, National & Kapodistrian University of Athens, Athens, GRC
| | - Dionysios J Papachristou
- Pathology, Unit of Bone and Soft Tissue Studies, Laboratory of Anatomy-Histology-Embryology, School of Medicine, University of Patras, Patras, GRC.,Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, USA
| | - Ismene A Dontas
- Veterinary Medicine, Laboratory for Research of the Musculoskeletal System, KAT General Hospital, Medical School, National & Kapodistrian University of Athens, Athens, GRC
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25
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Leiter O, Walker TL. Platelets in Neurodegenerative Conditions-Friend or Foe? Front Immunol 2020; 11:747. [PMID: 32431701 PMCID: PMC7214916 DOI: 10.3389/fimmu.2020.00747] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 04/01/2020] [Indexed: 02/06/2023] Open
Abstract
It is now apparent that platelet function is more diverse than originally thought, shifting the view of platelets from blood cells involved in hemostasis and wound healing to major contributors to numerous regulatory processes across different tissues. Given their intriguing ability to store, produce and release distinct subsets of bioactive molecules, including intercellular signaling molecules and neurotransmitters, platelets may play an important role in orchestrating healthy brain function. Conversely, a number of neurodegenerative conditions have recently been associated with platelet dysfunction, further highlighting the tissue-independent role of these cells. In this review we summarize the requirements for platelet-neural cell communication with a focus on neurodegenerative diseases, and discuss the therapeutic potential of healthy platelets and the proteins which they release to counteract these conditions.
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Affiliation(s)
- Odette Leiter
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
| | - Tara L Walker
- Queensland Brain Institute, The University of Queensland, Brisbane, QLD, Australia
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26
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Qi B, Yang Y, Cheng Y, Sun D, Wang X, Khanna R, Ju W. Nasal delivery of a CRMP2-derived CBD3 adenovirus improves cognitive function and pathology in APP/PS1 transgenic mice. Mol Brain 2020; 13:58. [PMID: 32272942 PMCID: PMC7144060 DOI: 10.1186/s13041-020-00596-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 03/23/2020] [Indexed: 12/12/2022] Open
Abstract
Calcium dysregulation is a key pathological event in Alzheimer's disease (AD). In studying approaches to mitigate this calcium overload, we identified the collapsin response mediator protein 2 (CRMP2), an axonal guidance protein that participates in synapse dynamics by interacting with and regulating activity of N-methyl-D-aspartate receptors (NMDARs). We further identified a 15 amino acid peptide from CRMP2 (designated CBD3, for calcium-binding domain 3), that reduced NMDAR-mediated Ca2+ influx in cultured neurons and post-synaptic NMDAR-mediated currents in cortical slices. Whether targeting CRMP2 could be therapeutically beneficial in AD is unknown. Here, using CBD3, we tested the utility of this approach. Employing the APP/PS1 mouse model of AD which demonstrates robust pathophysiology including Aβ1-42 deposition, altered tau levels, and diminished cognitive functions, we asked if overexpression of CBD3 could rescue these events. CBD3 was engineered into an adeno-associated vector and nasally delivered into APP/PS1 mice and then biochemical (immunohistochemistry, immunoblotting), cellular (TUNEL apoptosis assays), and behavioral (Morris water maze test) assessments were performed. APP/PS1 mice administered adeno-associated virus (AAV, serotype 2) harboring CBD3 demonstrated: (i) reduced levels of Aβ1-42 and phosphorylated-tau (a marker of AD progression), (ii) reduced apoptosis in the hippocampus, and (iii) reduced cognitive decline compared with APP/PS1 mice or APP/PS1 administered a control virus. These results provide an instructive example of utilizing a peptide-based approach to unravel protein-protein interactions that are necessary for AD pathology and demonstrate the therapeutic potential of CRMP2 as a novel protein player in AD.
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Affiliation(s)
- Baochang Qi
- Department of Orthopedic Traumatology, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Yu Yang
- Department of Neurology and neuroscience center, The First Hospital of Jilin University, No.1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin Province, China
| | - Yingying Cheng
- Department of Neurology and neuroscience center, The First Hospital of Jilin University, No.1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin Province, China
| | - Di Sun
- Department of Colorectal and Anal Surgery, The First Hospital of Jilin University, Changchun, 130021, Jilin Province, China
| | - Xu Wang
- Department of Neurology and neuroscience center, The First Hospital of Jilin University, No.1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin Province, China
| | - Rajesh Khanna
- Department of Pharmacology, College of Medicine, The University of Arizona, Tucson, AZ, 85718, USA.
- Center for Innovation in Brain Sciences, University of Arizona, Tucson, AZ, 85721, USA.
| | - Weina Ju
- Department of Neurology and neuroscience center, The First Hospital of Jilin University, No.1 Xinmin Street, Chaoyang District, Changchun, 130021, Jilin Province, China.
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27
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Nebie O, Barro L, Wu YW, Knutson F, Buée L, Devos D, Peng CW, Blum D, Burnouf T. Heat-treated human platelet pellet lysate modulates microglia activation, favors wound healing and promotes neuronal differentiation in vitro. Platelets 2020; 32:226-237. [PMID: 32106742 DOI: 10.1080/09537104.2020.1732324] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The neurorestorative efficacy of human platelet lysates in neurodegenerative disorders is still under investigation. Platelets prepared from standard and pathogen reduced platelet concentrates were pelletized, washed, concentrated, and subjected to freeze-thawing. The lysate was heated to 56°C for 30 min and characterized. Toxicity was evaluated using SH-SY5Y neuroblastoma, BV-2 microglial, and EA-hy926 endothelial cells. Inflammatory activity was tested by examining tumor necrosis factor (TNF) and cyclooxygenase (COX)-2 expressions by BV-2 microglia with or without stimulation by lipopolysaccharides (LPS). The capacity to stimulate wound healing was evaluated by a scratch assay, and the capacity to differentiate SH-SY5Y into neurons was also examined. Platelet lysates contained a range of neurotrophins. They were not toxic to SH-SY5Y, EA-hy926, or BV-2 cells, did not induce the expression of TNF or COX-2 inflammatory markers by BV-2 microglia, and decreased inflammation after LPS stimulation. They stimulated the wound closure in the scratch assay and induced SH-SY5Y differentiation as revealed by the increased length of neurites as well as β3-tubulin and neurofilament staining. These data confirm the therapeutic potential of platelet lysates in the treatment of disorders of the central nervous system and support further evaluation as novel neurorestorative biotherapy in preclinical models.
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Affiliation(s)
- Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Lassina Barro
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Yu-Wen Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | - Luc Buée
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, France
| | - David Devos
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, France
| | - Chih-Wei Peng
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,School of Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - David Blum
- Univ. Lille, Inserm, CHU-Lille, U1172, Lille Neuroscience & Cognition, 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, Taipei Medical University, Taipei, Taiwan.,PhD Program in Mind, Brain & Consciousness, Taipei Medical University, Taipei, Taiwan
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28
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Demir EA, Karagoz M. Platelet-Rich Plasma (PRP) is a Potential Self-Sourced Cognition Booster in Elderly Mice. Exp Aging Res 2020; 46:139-153. [PMID: 31939709 DOI: 10.1080/0361073x.2020.1716154] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Background: A complex set of neurotrophic growth factors participates in neuroplasticity in the aging brain. Platelets are a copious source of growth factors, most of which display also the neurotropic activity. On this basis, we investigated behavioral and cognitive consequences of the administration of intravenous allogeneic platelet-rich plasma (PRP) in senescent mice.Methods: The animals (16-18 months old) were injected with either physiological saline or PRP which was acquired from age-matched counterparts and subjected to a battery of tests comprised of open-field, elevated-plus maze, tail suspension, and Morris water maze test.Results: We found that PRP treatment increases locomotion and improves learning and memory in elderly mice. Importantly, the PRP-treated animals did not exhibit any anxiety- or depression-like behaviors.Conclusion: The present study is the first to demonstrate that allogeneic PRP possesses beneficial effects against cognitive aging and it signifies that PRP may be used as a novel self-sourced treatment in age-related cognitive decline.
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Affiliation(s)
- Enver Ahmet Demir
- Department of Physiology, Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey
| | - Mehtap Karagoz
- Faculty of Medicine, Hatay Mustafa Kemal University, Hatay, Turkey
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Anitua E, Alkhraisat MH. The adjuvant use of plasma rich in growth factors in the inferior alveolar nerve repositioning technique. Heliyon 2019; 5:e02965. [PMID: 31890946 PMCID: PMC6926256 DOI: 10.1016/j.heliyon.2019.e02965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2019] [Revised: 10/09/2019] [Accepted: 11/27/2019] [Indexed: 11/28/2022] Open
Abstract
Purpose To describe the outcomes of the adjuvant use of plasma rich in growth factors (PRGF) in the inferior alveolar nerve repositioning surgery. Material and methods A retrospective report of three cases was conducted in a single private dental clinic. The variables were the residual alveolar bone height, the surgical complications, the occurrence of neurosensory complications, the marginal bone stability and the implant survival. A descriptive statistical analysis was performed. Results Three inferior alveolar repositioning were performed with the adjuvant use of PRGF. The residual alveolar bone height was 2.2 ± 0.14 mm. All patients underwent uneventful healing with no symptoms of neurosensory complications neither implant failure. The marginal bone loss was 0.1 ± 0.4 mm Conclusions The preventative and adjuvant use of PRGF in inferior alveolar nerve repositioning need to be assessed in prospective studies with a larger sample size.
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Nebie O, Devos D, Vingtdeux V, Barro L, Devedjian JC, Jonneaux A, Chou ML, Bordet R, Buée L, Knutson F, Blum D, Burnouf T. The neuroprotective activity of heat-treated human platelet lysate biomaterials manufactured from outdated pathogen-reduced (amotosalen/UVA) platelet concentrates. J Biomed Sci 2019; 26:89. [PMID: 31666073 PMCID: PMC6822406 DOI: 10.1186/s12929-019-0579-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 10/09/2019] [Indexed: 12/11/2022] Open
Abstract
Background Effective neurorestorative therapies of neurodegenerative diseases must be developed. There is increasing interest in using human platelet lysates, rich in neurotrophic factors, as novel disease-modifying strategy of neurodegeneration. To ensure virus safety, pathogen reduction treatments should be incorporated in the preparation process of the platelet concentrates used as source material. We therefore investigated whether platelet concentrates (PC) pathogen-inactivated using a licensed photo-inactivation treatment combining photosensitive psoralen (amotosalen) and UVA irradiation (Intercept) can serve as source material to prepare platelet lysates with preserved neuroprotective activity in Parkinson’s disease models. Methods Intercept treated-PCs were centrifuged, when reaching expiry day (7 days after collection), to remove plasma and platelet additive solution. The platelet pellet was re-suspended and concentrated in phosphate buffer saline, subjected to 3 freeze-thaw cycles (− 80 °C/37 °C) then centrifuged to remove cell debris. The supernatant was recovered and further purified, or not, by heat-treatment as in our previous investigations. The content in proteins and neurotrophic factors was determined and the toxicity and neuroprotective activity of the platelet lysates towards LUHMES cells or primary cortical/hippocampal neurons were assessed using ELISA, flow cytometry, cell viability and cytotoxicity assays and proteins analysis by Western blot. Results Platelet lysates contained the expected level of total proteins (ca. 7–14 mg/mL) and neurotrophic factors. Virally inactivated and heat-treated platelet lysates did not exert detectable toxic effects on neither Lund human mesencephalic dopaminergic LUHMES cell line nor primary neurons. When used at doses of 5 and 0.5%, they enhanced the expression of tyrosine hydroxylase and neuron-specific enolase in LUHMES cells and did not significantly impact synaptic protein expression in primary neurons, respectively. Furthermore, virally-inactivated platelet lysates tested were found to exert very strong neuroprotection effects on both LUHMES and primary neurons exposed to erastin, an inducer of ferroptosis cell death. Conclusion Outdated Intercept pathogen-reduced platelet concentrates can be used to prepare safe and highly neuroprotective human heat-treated platelet pellet lysates. These data open reassuring perspectives in the possibility to develop an effective biotherapy using virally-inactivated platelet lysates rich in functional neurotrophins for neuroregenerative medicine, and for further bio-industrial development. However, the data should be confirmed in animal models. Graphical abstract ![]()
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Affiliation(s)
- Ouada Nebie
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan
| | - David Devos
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Valérie Vingtdeux
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France
| | - Lassina Barro
- International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Jean-Christophe Devedjian
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Aurélie Jonneaux
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan.,Present address: INSERM UMRS 938, CdR Saint-Antoine, Laboratory Immune System, Neuroinflammation and Neurodegenerative Diseases, Saint-Antoine Hospital, Paris, France
| | - Régis Bordet
- Univ Lille, Inserm, CHU Lille, UMR-S1171. Lille Neuroscience & Cognition, Degenerative and vascular cognitive disorders, F-59000, Lille, France
| | - Luc Buée
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | - David Blum
- Univ. Lille, Inserm, CHU-Lille, UMR-S1172, Lille Neuroscience & Cognition, Alzheimer & Tauopathies, F-59000, Lille, France.
| | - Thierry Burnouf
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, 250 Wu-Xing Street, Taipei, 11031, Taiwan. .,International Ph.D. Program in Biomedical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan. .,International Ph.D. Program in Cell Therapy and Regeneration Medicine, Taipei Medical University, Taipei, Taiwan.
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Zhu Y, Jin Z, Fang J, Wang J, Wang Y, Song Q, Tian X, Zhang Y, Xie F, Chen W, Peng N, Peng J, Luo Y, Wang Y. Platelet-Rich Plasma Combined with Low-Dose Ultrashort Wave Therapy Accelerates Peripheral Nerve Regeneration. Tissue Eng Part A 2019; 26:178-192. [PMID: 31516089 DOI: 10.1089/ten.tea.2019.0187] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Finding treatments that accelerate peripheral nerve regeneration, prolongation, and functional recovery remains a challenging task. Platelet-rich plasma (PRP) contains numerous growth factors and active proteins, and low-dose ultrashort waves (USWs) stimulate the formation of nerve-nourishing vessels, which are powerful for nerve regeneration. The goal of this study was to evaluate the synergistic effects of serial ultrasound-guided PRP injections combined with low-dose USWs radiation on peripheral nerve regeneration in a crush injury model. Fifty rabbits were equally and randomly divided into normal control, model, USW, PRP, and PRP+USW groups. The neurological function, electrophysiological recovery, and histological and morphological evaluation of regenerated nerves, as well as a targeted muscle recovery assessment, were performed to investigate the regenerative effect of PRP combined with USW therapy. Our results showed that the PRP+USW group had the better early axonal regeneration and displayed the earliest positive compound muscle action potential among the treatment groups. At postintervention week 12, a histological evaluation showed similar expression of the S-100 protein in the PRP+USW and normal control groups. Moreover, the morphological assessment revealed a significant increase in the myelinated nerve fiber density and diameter and myelin sheath thickness compared with the USW and PRP groups. The morphometry of the target muscles indicated the lowest reduction in the percent volume in the PRP+USW group, and an ultrasound examination of the targeted muscle showed the best improvement in stiffness and perfusion parameters at 12 weeks after crush injury. Thus, serial ultrasound-guided PRP injections combined with low-dose USW radiation exert a synergistic effect on accelerating functional axon recovery and decreasing atrophy of the target muscles in a crush injury model. Impact Statement This research describes that the application of platelet-rich plasma combined with low-dose ultrashort waves treatment exert a synergistic effect on accelerating peripheral nerve regeneration. With the extensive use of platelet-rich plasma and physical factors in regenerative medicine or clinical rehabilitation medicine, our findings may help establish effective strategies for repairing peripheral nerve injury.
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Affiliation(s)
- Yaqiong Zhu
- Medical College of Nankai University, Tianjin, China.,Department of Ultrasound, Chinese PLA General Hospital, Beijing, China.,Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China.,Beijing Key Laboratory of Chronic Heart Failure Precision Medicine, Chinese PLA General Hospital, Beijing, China
| | - Zhuang Jin
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China.,General hospital of Northern Theater Command, Liaoning, China
| | - Jie Fang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Jing Wang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Yu Wang
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Qing Song
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Xiaoqi Tian
- Medical College of Nankai University, Tianjin, China.,Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Ying Zhang
- Medical College of Nankai University, Tianjin, China.,Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Fang Xie
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Wei Chen
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Nan Peng
- Department of Geriatric Rehabilitation, Chinese PLA General Hospital, Beijing, China
| | - Jiang Peng
- Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, Beijing, China.,Key Lab of Musculoskeletal Trauma & War Injuries, Chinese PLA General Hospital, Beijing, China
| | - Yukun Luo
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
| | - Yuexiang Wang
- Department of Ultrasound, Chinese PLA General Hospital, Beijing, China
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Anitua E, Troya M, Pino A. A novel protein-based autologous topical serum for skin regeneration. J Cosmet Dermatol 2019; 19:705-713. [PMID: 31397540 DOI: 10.1111/jocd.13075] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Revised: 03/06/2019] [Accepted: 03/18/2019] [Indexed: 12/30/2022]
Abstract
BACKGROUND As skin ages, a functional decrement occurs. To avoid future vulnerability to dermatologic diseases, an optimal cutaneous regeneration is mandatory. Biological therapies based on blood-derived autologous proteins are gaining attention of scientists and dermatologists. OBJECTIVES A novel 100% autologous topical serum has been developed using plasma rich in growth factors technology. The physicochemical characterization and the biologic potential of the novel formulation have been studied. METHODS Rheological and mechanical properties and the biological capacity of the formulation were characterized. Human dermal fibroblast culture and 3D organotypic skin explants were used as in vitro and ex vivo cutaneous models, respectively. RESULTS The autologous topical serum presented an optimal spreadability index and appropriate shear thinning behavior that allowed an easy handling and rapid integration within the cutaneous tissue. The formulation has a high growth factor load with the ability to progressively penetrate into the dermal/epidermal layers of the skin. It is biocompatible and promotes cell proliferation and chemotactic activity. The autologous topical serum promotes the biosynthetic activity of cells by the stimulation of collagen and hyaluronic acid expression. CONCLUSIONS These findings present an in situ and easy to prepare autologous topical serum based on the patient's own blood with physicochemical and bioactive properties that may be used for skin regeneration purposes.
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Affiliation(s)
- Eduardo Anitua
- Eduardo Anitua Foundation, Vitoria, Spain.,BTI - Biotechnology Institute, Vitoria, Spain
| | - María Troya
- BTI - Biotechnology Institute, Vitoria, Spain
| | - Ander Pino
- BTI - Biotechnology Institute, Vitoria, Spain
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Kikuchi N, Yoshioka T, Taniguchi Y, Sugaya H, Arai N, Kanamori A, Yamazaki M. Optimization of leukocyte-poor platelet-rich plasma preparation: a validation study of leukocyte-poor platelet-rich plasma obtained using different preparer, storage, and activation methods. J Exp Orthop 2019; 6:24. [PMID: 31161535 PMCID: PMC6546777 DOI: 10.1186/s40634-019-0190-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 05/13/2019] [Indexed: 12/24/2022] Open
Abstract
Background Alternative methods of platelet-rich plasma (PRP) preparation, storage, and activation that can be stably reproduced are needed to improve PRP production. The purpose of this study was to investigate the effect of the preparer’s experience on the quality of prepared PRP, chronological changes occurring in PRP, and the effect of the activation procedures on the release of several growth factors from PRP, using PRP prepared with the PRGF-Endoret Kit. Methods Leukocyte-poor PRP samples from seventeen healthy volunteers were prepared using the PRGF-Endoret Kit and the PRGF IV System Centrifuge. The platelet and leukocyte concentrations were compared based on the preparer’s experience. The concentrations of platelets, hepatocyte growth factor (HGF), platelet-derived growth factor-BB (PDGF-BB), and insulin-like growth factor-1 (IGF-1) were determined at 0 and 60 min after PRP preparation, and compared. Concentrations of the above growth factors from PRP activated by freeze–thaw cycling and by calcium chloride (CaCl2) were also compared. Results No significant difference was observed in the platelet concentrations and leukocyte contamination rates, based on the preparer’s experience. At 60 min after PRP preparation, the platelet concentration decreased significantly, while the HGF, PDGF-BB, and IGF-1 concentrations remained unchanged. Activation with CaCl2 resulted in a significant increase in the PDGF-BB levels, although the HGF and IGF-1 concentrations remained unchanged. Conclusions The results of this study show that leukocyte-poor PRP prepared using the PRGF-Endoret Kit did not result in any qualitative difference that depended on the experience of the preparer. However, PRP preparation required standardization in terms of the time of blood count measurement. Growth factor concentrations in PRP differed according to the platelet-activation method used.
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Affiliation(s)
- Naoya Kikuchi
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Tomokazu Yoshioka
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan. .,Regenerative Medicine for Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Yu Taniguchi
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.,Regenerative Medicine for Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Hisashi Sugaya
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.,Regenerative Medicine for Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Norihito Arai
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Akihiro Kanamori
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Masashi Yamazaki
- Department of Orthopedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
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Plasma Rich in Growth Factors (PRGF) Disrupt the Blood-Brain Barrier Integrity and Elevate Amyloid Pathology in the Brains of 5XFAD Mice. Int J Mol Sci 2019; 20:ijms20061489. [PMID: 30934587 PMCID: PMC6471393 DOI: 10.3390/ijms20061489] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Revised: 03/14/2019] [Accepted: 03/20/2019] [Indexed: 01/17/2023] Open
Abstract
Alzheimer’s disease (AD) is the most common neurodegenerative disorder affecting 5.4 million people in the United States. Currently approved pharmacologic interventions for AD are limited to symptomatic improvement, not affecting the underlying pathology. Therefore, the search for novel therapeutic strategies is ongoing. A hallmark of AD is the compromised blood-brain barrier (BBB); thus, developing drugs that target the BBB to enhance its integrity and function could be a novel approach to prevent and/or treat AD. Previous evidence has shown the beneficial effects of growth factors in the treatment of AD pathology. Based on reported positive results obtained with the product Endoret®, the objective of this study was to investigate the effect of plasma rich in growth factors (PRGF) on the BBB integrity and function, initially in a cell-based BBB model and in 5x Familial Alzheimer’s Disease (5xFAD) mice. Our results showed that while PRGF demonstrated a positive effect in the cell-based BBB model with the enhanced integrity and function of the model, the in-vivo findings showed that PRGF exacerbated amyloid pathology in 5xFAD brains. At 10 and 100% doses, PRGF increased amyloid deposition associated with increased apoptosis and neuroinflammation. In conclusion, our results suggest PRGF may not provide beneficial effects against AD and the consideration to utilize growth factors should further be investigated.
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Taniguchi Y, Yoshioka T, Sugaya H, Gosho M, Aoto K, Kanamori A, Yamazaki M. Growth factor levels in leukocyte-poor platelet-rich plasma and correlations with donor age, gender, and platelets in the Japanese population. J Exp Orthop 2019; 6:4. [PMID: 30712144 PMCID: PMC6359998 DOI: 10.1186/s40634-019-0175-7] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Accepted: 01/21/2019] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND Clinical application of platelet-rich-plasma (PRP) has been accelerated to investigate early recovery from various musculoskeletal conditions. It involves the promotion of tissue damage repair through the action of multiple growth factors at physiological concentrations. The composition of PRP differs based on many factors, which may include age and gender. Therefore, we analyzed correlations between age, gender, and platelet counts in PRP with growth factors in Japanese subjects. METHOD Peripheral blood was drawn from 39 healthy volunteers between 20 and 49 years of age (age, mean ± standard deviation = 33 ± 8.7 years; gender ratio, male:female = 19:20; BMI, mean ± standard deviation = 22 ± 4.0) and prepared through centrifugation (volume, 6 mL per sample). After being activated with CaCl2, the supernatant was stored. The mean platelet count in PRP was 41.4 ± 12.2 × 104/μL. PRP concentration rate (i.e., PRP/peripheral platelet counts) was 1.8 ± 0.4 times. Growth factor levels (platelet-derived growth factor-BB, transforming growth factor-β1, vascular endothelial growth factor, epidermal growth factor, fibroblast growth factor, insulin-like growth factor-1, and hepatocyte growth factor) were measured using enzyme-linked immunosorbent assay (ELISA), and correlations with age, gender, and PRP platelet counts were statistically analyzed by calculating Spearman's rank correlation coefficients (r). RESULTS Age was negatively correlated with platelet-derived growth factor-BB and insulin-like growth factor-1 (r = - 0.32, - 0.39), and gender had no influence on growth factors. Platelet counts in PRP positively correlated with platelet-derived growth factor-BB, transforming growth factor-β1, epidermal growth factor, and hepatocyte growth factor (r = 0.39, 0.75, 0.71, and 0.48, respectively). CONCLUSIONS This clinical study shows a significant variation of PRP among individual patients and that this variation is influenced by the age and the platelet counts of the subjects. Our data demonstrate that patient characteristics account for the differences in PRP physiological activity.
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Affiliation(s)
- Yu Taniguchi
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.,Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Tomokazu Yoshioka
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan. .,Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.
| | - Hisashi Sugaya
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan.,Musculoskeletal System, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Masahiko Gosho
- Department of Clinical Trial and Clinical Epidemiology, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Katsuya Aoto
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Akihiro Kanamori
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
| | - Masashi Yamazaki
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8575, Japan
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Autologous fibrin scaffolds: When platelet- and plasma-derived biomolecules meet fibrin. Biomaterials 2018; 192:440-460. [PMID: 30500725 DOI: 10.1016/j.biomaterials.2018.11.029] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2018] [Revised: 11/08/2018] [Accepted: 11/20/2018] [Indexed: 02/06/2023]
Abstract
The healing of vascularized mammalian tissue injuries initiate with hemostasis and clotting as part of biological defense system leading to the formation of a fibrin clot in which activated platelets are trapped to quickly stop bleeding and destroy microbials. In order to harness the therapeutic potential of biomolecules secreted by platelets and stemmed from plasma, blood deconstruction has allowed to yield autologous platelet-and plasma-derived protein fibrin scaffold. The autologous growth factors and microparticles stemmed from platelets and plasma, interact with fibrin, extracellular matrix, and tissue cells in a combinatorial, synergistic, and multidirectional way on mechanisms governing tissue repair. This interplay will induce a wide range of cell specifications during inflammation and repair process including but not limited to fibrogenesis, angiogenesis, and immunomodulation. As biology-as-a-drug approach, autologous platelet-and plasma-derived protein fibrin scaffold is emerging as a safe and efficacious natural human-engineered growth factor delivery system to repair musculoskeletal tissues, and skin and corneal ulcers and burns. In doing so, it acts as therapeutic agent not perfect but close to biological precision. However, this autologous, biocompatible, biodegradable, and long in vivo lasting strategy faces several challenges, including its non-conventional single dose-response effect, the lack of standardization in its preparation and application, and the patient's biological features. In this review, we give an account of the main events of tissue repair. Then, we describe the procedure to prepare autologous platelet-and plasma-derived protein fibrin scaffolds, and the rationale behind these biomaterials, and finally, we highlight the significance of strategic accuracy in their application.
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He H, Li W, Peng M, Qin J, Shi J, Li H, Tian M, Zhang X, Lv G, Jin G. MicroRNA expression profiles of neural stem cells following valproate inducement. J Cell Biochem 2018; 119:6204-6215. [PMID: 29575035 DOI: 10.1002/jcb.26831] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 02/28/2018] [Indexed: 12/18/2022]
Abstract
Neural stem cells (NSCs) possess self-renewal and multilineage differentiation ability, thus are considered to be a potential source for cell replacement therapy of many nervous system diseases, such as neurodegenerative diseases. Valproate (VPA), a member of histone deacetylase inhibitor family, is an epigenetic regulator and can promote NSCs to differentiate into neurons, nevertheless, the underlying mechanisms of the process remain unclear. MicroRNAs (miRNAs) exert a crucial part in the posttranscriptional regulation of gene expression. Epigenetic mechanisms involve in the regulation of miRNAs expression. Therefore we speculated that miRNAs may be important factors during the promotion of neuronal differentiation by VPA. Here, after selecting appropriate concentration and treatment time of VPA, we conducted microRNA arrays at 24 h on the treatment of 1 mM VPA or vehicle. After validation, we obtained 5 significantly upregulated miRNAs (miR-29a-5p, miR-674-5p, miR-155-5p, miR-652-3p, and miR-210-3p) in VPA group compared with control. We predicted the target genes of these miRNAs on the website. Through gene ontology (GO) and pathway analyses, we obtained preliminary comprehension of the function of these genes. The bioinformatics analyses indicated the involvement of them during neurogenesis. In addition, we observed high expression of miR-210-3p, miR-29a-5p, and miR-674-5p in central nervous system, which suggested that they were likely to play crucial roles in neuronal differentiation. We then defined the upregulation of Map2 by transfecting mimic of miR-674-5p, which indicated the promotion of miR-674-5p on NSCs differentiation. The present study explored the miRNAs potentially mediated the function of VPA on promoting NSCs to differentiate into neurons.
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Affiliation(s)
- Hui He
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Wen Li
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Min Peng
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Jianbing Qin
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Jinhong Shi
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Haoming Li
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Meiling Tian
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Xinhua Zhang
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China
| | - Guangming Lv
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China.,Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, Jiangsu, PR China
| | - Guohua Jin
- Department of Human Anatomy, Medical School, Nantong University, Nantong, Jiangsu, PR China.,Jiangsu Key Laboratory of Neuroregeneration, Nantong University, Nantong, Jiangsu, PR China.,Co-innovation Center of Neuroregeneration, Nantong University, Nantong, Jiangsu, PR China
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Transalveolar Osteotomy of the Mandibular Canal Wall for the Treatment of Severely Atrophied Posterior Mandible. J Oral Maxillofac Surg 2017; 75:1392-1401. [PMID: 28388398 DOI: 10.1016/j.joms.2017.03.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 03/07/2017] [Accepted: 03/07/2017] [Indexed: 01/22/2023]
Abstract
PURPOSE Treatment of severe bone atrophy of the posterior mandible requires an advanced surgical bone augmentation technique. This report describes a minimally invasive approach for a residual alveolar height less than 5 mm. MATERIAL AND METHODS A retrospective case series was conducted in a single private dental clinic. Outcome variables were dental implant survival rate, intraoperative complications, occurrence of neurosensory disturbances, and marginal bone loss. Descriptive analysis was performed for patients' demographic data, postoperative healing, and implant details. Kaplan-Meier method was used to assess the implant survival rate. RESULTS The mean age of the 19 patients was 60 ± 13 years. Twenty-eight implants (5.5 mm long) were placed in a residual alveolar bone height of 4.5 ± 0.6 mm. The implant survival rate was 96% at 5-year follow-up. CONCLUSIONS Extra-short implants and transalveolar preparation of the inferior alveolar cortical bone could be a safe and effective treatment of severe mandibular atrophy.
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Long-term treatment with intranasal insulin ameliorates cognitive impairment, tau hyperphosphorylation, and microglial activation in a streptozotocin-induced Alzheimer's rat model. Sci Rep 2017; 7:45971. [PMID: 28382978 PMCID: PMC5382700 DOI: 10.1038/srep45971] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Accepted: 03/07/2017] [Indexed: 12/18/2022] Open
Abstract
Recent evidence reveals that aberrant brain insulin signaling plays an important role in the pathology of Alzheimer’s disease (AD). Intranasal insulin administration has been reported to improve memory and attention in healthy participants and in AD patients. However, the underlying molecular mechanisms are poorly understood. Here, we treated intracerebroventricular streptozotocin-injected (ICV-STZ) rats, a commonly used animal model of sporadic AD, with daily intranasal delivery of insulin (2 U/day) for 6 consecutive weeks and then studied their cognitive function with the Morris water maze test and biochemical changes via Western blotting. We observed cognitive deficits, tau hyperphosphorylation, and neuroinflammation in the brains of ICV-STZ rats. Intranasal insulin treatment for 6 weeks significantly improved cognitive function, attenuated the level of tau hyperphosphorylation, ameliorated microglial activation, and enhanced neurogenesis in ICV-STZ rats. Additionally, our results indicate that intranasal delivery of insulin probably attenuates tau hyperphosphorylation through the down-regulation of ERK1/2 and CaMKII in the brains of ICV-STZ rats. Our findings demonstrate a beneficial effect of intranasal insulin and provide the mechanistic basis for treating AD patients with intranasal insulin.
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Harguindey S, Stanciu D, Devesa J, Alfarouk K, Cardone RA, Polo Orozco JD, Devesa P, Rauch C, Orive G, Anitua E, Roger S, Reshkin SJ. Cellular acidification as a new approach to cancer treatment and to the understanding and therapeutics of neurodegenerative diseases. Semin Cancer Biol 2017; 43:157-179. [PMID: 28193528 DOI: 10.1016/j.semcancer.2017.02.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2016] [Accepted: 02/06/2017] [Indexed: 12/27/2022]
Abstract
During the last few years, the understanding of the dysregulated hydrogen ion dynamics and reversed proton gradient of cancer cells has resulted in a new and integral pH-centric paradigm in oncology, a translational model embracing from cancer etiopathogenesis to treatment. The abnormalities of intracellular alkalinization along with extracellular acidification of all types of solid tumors and leukemic cells have never been described in any other disease and now appear to be a specific hallmark of malignancy. As a consequence of this intracellular acid-base homeostatic failure, the attempt to induce cellular acidification using proton transport inhibitors and other intracellular acidifiers of different origins is becoming a new therapeutic concept and selective target of cancer treatment, both as a metabolic mediator of apoptosis and in the overcoming of multiple drug resistance (MDR). Importantly, there is increasing data showing that different ion channels contribute to mediate significant aspects of cancer pH regulation and etiopathogenesis. Finally, we discuss the extension of this new pH-centric oncological paradigm into the opposite metabolic and homeostatic acid-base situation found in human neurodegenerative diseases (HNDDs), which opens novel concepts in the prevention and treatment of HNDDs through the utilization of a cohort of neural and non-neural derived hormones and human growth factors.
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Affiliation(s)
- Salvador Harguindey
- Institute of Clinical Biology and Metabolism, c) Postas 13, 01004 Vitoria, Spain.
| | - Daniel Stanciu
- Institute of Clinical Biology and Metabolism, c) Postas 13, 01004 Vitoria, Spain
| | - Jesús Devesa
- Department of Physiology, School of Medicine, University of Santiago de Compostela, Spain and Scientific Director of Foltra Medical Centre, Teo, Spain
| | - Khalid Alfarouk
- Al-Ghad International Colleges for Applied Medical Sciences, Al-Madinah Al-Munawarah, Saudi Arabia
| | - Rosa Angela Cardone
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Via E. Orabona 4, 70125 Bari, Italy
| | | | - Pablo Devesa
- Research and Development, Medical Centre Foltra, Teo, Spain
| | - Cyril Rauch
- School of Veterinary Medicine and Science, University of Nottingham,College Road, Sutton Bonington, LE12 5RD, UK
| | - Gorka Orive
- Laboratory of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of the Basque Country, Networking Biomedical Research Center on Bioengineering, Biomaterials and Nanomedicine, CIBER-BBN, SLFPB-EHU, 01006 Vitoria, Spain
| | - Eduardo Anitua
- BTI Biotechnology Institute ImasD, S.L. C/Jacinto Quincoces, 39, 01007 Vitoria, Spain
| | - Sébastien Roger
- Inserm UMR1069, University François-Rabelais of Tours,10 Boulevard Tonnellé, 37032 Tours, France; Institut Universitaire de France, 1 Rue Descartes, Paris 75231, France
| | - Stephan J Reshkin
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Via E. Orabona 4, 70125 Bari, Italy
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Sánchez M, Garate A, Delgado D, Padilla S. Platelet-rich plasma, an adjuvant biological therapy to assist peripheral nerve repair. Neural Regen Res 2017; 12:47-52. [PMID: 28250739 PMCID: PMC5319232 DOI: 10.4103/1673-5374.198973] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Therapies such as direct tension-free microsurgical repair or transplantation of a nerve autograft, are nowadays used to treat traumatic peripheral nerve injuries (PNI), focused on the enhancement of the intrinsic regenerative potential of injured axons. However, these therapies fail to recreate the suitable cellular and molecular microenvironment of peripheral nerve repair and in some cases, the functional recovery of nerve injuries is incomplete. Thus, new biomedical engineering strategies based on tissue engineering approaches through molecular intervention and scaffolding offer promising outcomes on the field. In this sense, evidence is accumulating in both, preclinical and clinical settings, indicating that platelet-rich plasma products, and fibrin scaffold obtained from this technology, hold an important therapeutic potential as a neuroprotective, neurogenic and neuroinflammatory therapeutic modulator system, as well as enhancing the sensory and motor functional nerve muscle unit recovery.
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Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas San José, Vitoria-Gasteiz, Spain; Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Ane Garate
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
| | - Diego Delgado
- Department of Biomedical Engineering, University of Minnesota, Minneapolis, MN, USA
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Sánchez M, Anitua E, Delgado D, Sanchez P, Prado R, Orive G, Padilla S. Platelet-rich plasma, a source of autologous growth factors and biomimetic scaffold for peripheral nerve regeneration. Expert Opin Biol Ther 2016; 17:197-212. [DOI: 10.1080/14712598.2017.1259409] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas San José, Vitoria-Gasteiz, Spain
| | - Eduardo Anitua
- BTI Biotechnology Institute, Vitoria, Spain
- Eduardo Anitua Foundation, Vitoria, Spain
| | - Diego Delgado
- Arthroscopic Surgery Unit Research, Hospital Vithas San José, Vitoria-Gasteiz, Spain
| | - Peio Sanchez
- Arthroscopic Surgery Unit Research, Hospital Vithas San José, Vitoria-Gasteiz, Spain
| | | | - Gorka Orive
- BTI Biotechnology Institute, Vitoria, Spain
- Eduardo Anitua Foundation, Vitoria, Spain
- Lab of Pharmacy and Pharmaceutical Technology, Faculty of Pharmacy, University of The Basque Country (UPV/EHU), Vitoria-Gasteiz, Spain
- Centro de Investigación Biomédica en Red, Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), Madrid, Spain
| | - Sabino Padilla
- BTI Biotechnology Institute, Vitoria, Spain
- Eduardo Anitua Foundation, Vitoria, Spain
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Anitua E, de la Fuente M, Ferrando M, Quintana F, Larreategui Z, Matorras R, Orive G. Biological effects of plasma rich in growth factors (PRGF) on human endometrial fibroblasts. Eur J Obstet Gynecol Reprod Biol 2016; 206:125-130. [DOI: 10.1016/j.ejogrb.2016.09.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2016] [Revised: 09/09/2016] [Accepted: 09/13/2016] [Indexed: 01/03/2023]
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Management of androgenetic alopecia: a comparative clinical study between plasma rich in growth factors and topical minoxidil. EUROPEAN JOURNAL OF PLASTIC SURGERY 2016. [DOI: 10.1007/s00238-015-1175-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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Sánchez M, Anitua E, Delgado D, Prado R, Sánchez P, Fiz N, Guadilla J, Azofra J, Pompei O, Orive G, Ortega M, Yoshioka T, Padilla S. Ultrasound-guided plasma rich in growth factors injections and scaffolds hasten motor nerve functional recovery in an ovine model of nerve crush injury. J Tissue Eng Regen Med 2015; 11:1619-1629. [DOI: 10.1002/term.2079] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2015] [Revised: 06/18/2015] [Accepted: 06/23/2015] [Indexed: 12/23/2022]
Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
- Arthroscopic Surgery Unit Research; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - E. Anitua
- Eduardo Anitua Foundation for Biomedical Research; Vitoria-Gasteiz; Spain
| | - D. Delgado
- Arthroscopic Surgery Unit Research; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - R. Prado
- Biotechnology Institute (BTI); Vitoria-Gasteiz; Spain
| | - P. Sánchez
- Arthroscopic Surgery Unit Research; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - N. Fiz
- Arthroscopic Surgery Unit; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - J. Guadilla
- Arthroscopic Surgery Unit; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - J. Azofra
- Arthroscopic Surgery Unit; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - O. Pompei
- Arthroscopic Surgery Unit; Hospital Vithas San Jose; Vitoria-Gasteiz Spain
| | - G. Orive
- Eduardo Anitua Foundation for Biomedical Research; Vitoria-Gasteiz; Spain
| | - M. Ortega
- Clinical Neurophysiology Unit; Galdakao-Usánsolo Hospital; Bilbao Spain
| | - T. Yoshioka
- Division of Regenerative Medicine for Musculoskeletal System, Department of Orthopaedic Surgery; University of Tsukuba; Japan
| | - S. Padilla
- Biotechnology Institute (BTI); Vitoria-Gasteiz; Spain
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Abstract
OBJECTIVES Bisphosphonates-related osteonecrosis of the jaw (BRONJ) is a common problem in patients undergoing long-term administration of highly potent nitrogen-containing bisphosphonates (N-BPs). This pathology occurs via bone and soft tissue mechanism. Zoledronic acid (ZA) is the most potent intravenous N-BP used to prevent bone loss in patients with bone dysfunction. The objective of this in vitro study was to evaluate the role of different ZA concentrations on the cells from human oral cavity, as well as the potential of plasma rich in growth factors (PRGF) to overcome the negative effects of this BP. MATERIAL AND METHODS Primary human gingival fibroblasts and primary human alveolar osteoblasts were used. Cell proliferation was evaluated by means of a fluorescence-based method. A colorimetric assay to detect DNA fragmentation undergoing apoptosis was used to determine cell death, and the expression of both NF-κB and pNF-κB were quantified by Western blot analysis. RESULTS ZA had a cytotoxic effect on both human gingival fibroblasts and human alveolar osteoblasts. This BP inhibits cell proliferation, stimulates apoptosis, and induces inflammation. However, the addition of PRGF suppresses all these negative effects of the ZA. CONCLUSIONS PRGF shows a cytoprotective role against the negative effects of ZA on primary oral cells. CLINICAL RELEVANCE At present, there is no definitive treatment for bisphosphonates-related osteonecrosis of the jaw (BRONJ), being mainly palliatives. Our results revealed that PRGF has a cytoprotective role in cells exposed to zoledronic acid, thus providing a reliable adjunctive therapy for the treatment of BRONJ pathology.
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Navarro MR, Asín M, Martínez AM, Molina C, Navarro V, Pino A, Orive G, Anitua E. Plasma rich in growth factors (PRGF) for the treatment of androgenetic alopecia. EUROPEAN JOURNAL OF PLASTIC SURGERY 2015. [DOI: 10.1007/s00238-015-1116-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lauzon MA, Daviau A, Marcos B, Faucheux N. Growth factor treatment to overcome Alzheimer's dysfunctional signaling. Cell Signal 2015; 27:1025-38. [PMID: 25744541 DOI: 10.1016/j.cellsig.2015.02.018] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Accepted: 02/16/2015] [Indexed: 10/23/2022]
Abstract
The number of people suffering from Alzheimer's disease (AD) will increase as the world population ages, creating a huge socio-economic burden. The three pathophysiological hallmarks of AD are the cholinergic system dysfunction, the β-amyloid peptide deposition and the Tau protein hyperphosphorylation. Current treatments have only transient effects and each tends to concentrate on a single pathophysiological aspect of AD. This review first provides an overall view of AD in terms of its pathophysiological symptoms and signaling dysfunction. We then examine the therapeutic potential of growth factors (GFs) by showing how they can overcome the dysfunctional cell signaling that occurs in AD. Finally, we discuss new alternatives to GFs that help overcome the problem of brain uptake, such as small peptides, with evidence from some of our unpublished data on human neuronal cell line.
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Affiliation(s)
- Marc-Antoine Lauzon
- Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec J1K 2R1, Canada
| | - Alex Daviau
- Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec J1K 2R1, Canada
| | - Bernard Marcos
- Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec J1K 2R1, Canada
| | - Nathalie Faucheux
- Cell-Biomaterial Biohybrid Systems, Department of Chemical and Biotechnological Engineering, Université de Sherbrooke, 2500 boul. de l'Université, Sherbrooke, Québec J1K 2R1, Canada.
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Anitua E, Pascual C, Pérez-Gonzalez R, Orive G, Carro E. Intranasal PRGF-Endoret enhances neuronal survival and attenuates NF-κB-dependent inflammation process in a mouse model of Parkinson's disease. J Control Release 2015; 203:170-80. [PMID: 25702964 DOI: 10.1016/j.jconrel.2015.02.030] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2015] [Revised: 02/17/2015] [Accepted: 02/18/2015] [Indexed: 01/01/2023]
Abstract
Parkinson's disease is a common neurodegenerative disorder of unknown pathogenesis characterized by the loss of nigrostriatal dopaminergic neurons. Oxidative stress, microglial activation and inflammatory responses seem to contribute to the pathogenesis. Recent data showed that growth factors mediate neuroprotection in rodent models of Parkinson's disease, modulating pro-inflammatory processes. Based on our recent studies showing that plasma rich in growth factors (PRGF-Endoret) mediates neuroprotection as inflammatory moderator in Alzheimer's disease, in the present study we examined the effects of plasma rich in growth factors (PRGF-Endoret) in the 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-lesioned mouse as a translational therapeutic approach for Parkinson's disease. We found substantial neuroprotection by PRGF-Endoret in our model of Parkinson's disease, which resulted in diminished inflammatory responses and improved motor performance. Additionally, these effects were associated with robust reduction in nuclear transcription factor-κB (NF-κB) activation, and nitric oxide (NO), cyclooxygenase-2 (COX-2), and tumor necrosis factor-alpha (TNF-α) expression in the substantia nigra. We propose that PRGF-Endoret can prevent dopaminergic degeneration via an NF-κB-dependent signaling process. As the clinical safety profile of PRGF-Endoret is already established, these data suggest that PRGF-Endoret provides a novel neuroprotective strategy for Parkinson's disease.
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Affiliation(s)
| | - Consuelo Pascual
- Neuroscience Group, Instituto de Investigacion Hospital 12 de Octubre (i+12), Madrid, Spain; Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Rocio Pérez-Gonzalez
- Neuroscience Group, Instituto de Investigacion Hospital 12 de Octubre (i+12), Madrid, Spain; Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | | | - Eva Carro
- Neuroscience Group, Instituto de Investigacion Hospital 12 de Octubre (i+12), Madrid, Spain; Biomedical Research Networking Center in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.
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Anitua E, Pelacho B, Prado R, Aguirre JJ, Sánchez M, Padilla S, Aranguren XL, Abizanda G, Collantes M, Hernandez M, Perez-Ruiz A, Peñuelas I, Orive G, Prosper F. Infiltration of plasma rich in growth factors enhances in vivo angiogenesis and improves reperfusion and tissue remodeling after severe hind limb ischemia. J Control Release 2015; 202:31-9. [PMID: 25626084 DOI: 10.1016/j.jconrel.2015.01.029] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2014] [Revised: 01/21/2015] [Accepted: 01/23/2015] [Indexed: 01/03/2023]
Abstract
PRGF is a platelet concentrate within a plasma suspension that forms an in situ-generated fibrin-matrix delivery system, releasing multiple growth factors and other bioactive molecules that play key roles in tissue regeneration. This study was aimed at exploring the angiogenic and myogenic effects of PRGF on in vitro endothelial cells (HUVEC) and skeletal myoblasts (hSkMb) as well as on in vivo mouse subcutaneously implanted matrigel and on limb muscles after a severe ischemia. Human PRGF was prepared and characterized. Both proliferative and anti-apoptotic responses to PRGF were assessed in vitro in HUVEC and hSkMb. In vivo murine matrigel plug assay was conducted to determine the angiogenic capacity of PRGF, whereas in vivo ischemic hind limb model was carried out to demonstrate PRGF-driven vascular and myogenic regeneration. Primary HUVEC and hSkMb incubated with PRGF showed a dose dependent proliferative and anti-apoptotic effect and the PRGF matrigel plugs triggered an early and significant sustained angiogenesis compared with the control group. Moreover, mice treated with PRGF intramuscular infiltrations displayed a substantial reperfusion enhancement at day 28 associated with a fibrotic tissue reduction. These findings suggest that PRGF-induced angiogenesis is functionally effective at expanding the perfusion capacity of the new vasculature and attenuating the endogenous tissue fibrosis after a severe-induced skeletal muscle ischemia.
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Affiliation(s)
- Eduardo Anitua
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain
| | - Beatriz Pelacho
- Cell Therapy Program, Foundation for Applied Medical Research, University of Navarra, Spain
| | | | | | - Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas San Jose, Vitoria, Spain
| | - Sabino Padilla
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain; BTI - Biotechnology Institute, Vitoria, Spain
| | - Xabier L Aranguren
- Cell Therapy Program, Foundation for Applied Medical Research, University of Navarra, Spain
| | - Gloria Abizanda
- Cell Therapy Program, Foundation for Applied Medical Research, University of Navarra, Spain
| | - María Collantes
- Department of Nuclear Medicine, MicroPET Research Unit CIMA-CUN, Clínica Universitaria, University of Navarra, Spain
| | - Milagros Hernandez
- Hematology and Cell Therapy Department, Clínica Universidad de Navarra, University of Navarra, Spain
| | - Ana Perez-Ruiz
- Cell Therapy Program, Foundation for Applied Medical Research, University of Navarra, Spain
| | - Ivan Peñuelas
- Department of Nuclear Medicine, MicroPET Research Unit CIMA-CUN, Clínica Universitaria, University of Navarra, Spain
| | - Gorka Orive
- Eduardo Anitua Foundation for Biomedical Research, Vitoria, Spain.
| | - Felipe Prosper
- Cell Therapy Program, Foundation for Applied Medical Research, University of Navarra, Spain; Hematology and Cell Therapy Department, Clínica Universidad de Navarra, University of Navarra, Spain.
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