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Yan X, Zhang Q, Ma X, Zhong Y, Tang H, Mai S. The mechanism of biomineralization: Progress in mineralization from intracellular generation to extracellular deposition. JAPANESE DENTAL SCIENCE REVIEW 2023; 59:181-190. [PMID: 37388714 PMCID: PMC10302165 DOI: 10.1016/j.jdsr.2023.06.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/01/2023] [Accepted: 06/13/2023] [Indexed: 07/01/2023] Open
Abstract
Biomineralization is a highly regulated process that results in the deposition of minerals in a precise manner, ultimately producing skeletal and dental hard tissues. Recent studies have highlighted the crucial role played by intracellular processes in initiating biomineralization. These processes involve various organelles, such as the endoplasmic reticulum(ER), mitochondria, and lysosomes, in the formation, accumulation, maturation, and secretion of calcium phosphate (CaP) particles. Particularly, the recent in-depth study of the dynamic process of the formation of amorphous calcium phosphate(ACP) precursors among organelles has made great progress in the development of the integrity of the biomineralization chain. However, the precise mechanisms underlying these intracellular processes remain unclear, and they cannot be fully integrated with the extracellular mineralization mechanism and the physicochemical structure development of the mineralization particles. In this review, we aim to focus on the recent progress made in understanding intracellular mineralization organelles' processes and their relationship with the physicochemical structure development of CaP and extracellular deposition of CaP particles.
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Affiliation(s)
- Xin Yan
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Qi Zhang
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xinyue Ma
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yewen Zhong
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Hengni Tang
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Sui Mai
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
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Advances in the Clinical Application of Platelet-Rich Plasma in the Foot and Ankle: A Review. J Clin Med 2023; 12:jcm12031002. [PMID: 36769649 PMCID: PMC9917505 DOI: 10.3390/jcm12031002] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Revised: 01/15/2023] [Accepted: 01/18/2023] [Indexed: 01/31/2023] Open
Abstract
Autologous and recombinant biologic substances have been generated as a result of the research into the cellular features of the healing process. Orthobiologics are increasingly being used in sports medicine and musculoskeletal surgery. Nevertheless, clinical data are limited; consequently, further studies are required, particularly in foot and ankle pathologies. This review aims to provide evidence of the most recent literature results and ignite the interest of orthopedic specialists eager for an update about the most current discussion on platelet-rich plasma (PRP) clinical applications in the foot and ankle fields. Previous studies have shown that platelet-rich plasma can be beneficial in treating various conditions, such as chronic foot ulcers, osteoarthritis, Achilles tendinopathy, etc. Despite the positive effects of PRP on various musculoskeletal conditions, more prospective studies are needed to confirm its effectiveness at treating ankle and foot pathologies. In addition to clinical trials, other factors, such as the quality of the research and the procedures involved, must be considered before they can be used in patients. More long-term evaluations are needed to support or oppose its application in treating foot and ankle disorders. We present the most extensive review of PRP's clinical applications in the foot and ankle field.
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Platelet-rich plasma: a comparative and economical therapy for wound healing and tissue regeneration. Cell Tissue Bank 2022; 24:285-306. [PMID: 36222966 PMCID: PMC9555256 DOI: 10.1007/s10561-022-10039-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 09/10/2022] [Indexed: 11/17/2022]
Abstract
Rise in the incidences of chronic degenerative diseases with aging makes wound care a socio-economic burden and unceasingly necessitates a novel, economical, and efficient wound healing treatment. Platelets have a crucial role in hemostasis and thrombosis by modulating distinct mechanistic phases of wound healing, such as promoting and stabilizing the clot. Platelet-rich plasma (PRP) contains a high concentration of platelets than naïve plasma and has an autologous origin with no immunogenic adverse reactions. As a consequence, PRP has gained significant attention as a therapeutic to augment the healing process. Since the past few decades, a robust volume of research and clinical trials have been performed to exploit extensive role of PRP in wound healing/tissue regeneration. Despite these rigorous studies and their application in diversified medical fields, efficacy of PRP-based therapies is continuously questioned owing to the paucity of large samplesizes, controlled clinical trials, and standard protocols. This review systematically delineates the process of wound healing and involvement of platelets in tissue repair mechanisms. Additionally, emphasis is laid on PRP, its preparation methods, handling, classification,application in wound healing, and PRP as regenerative therapeutics combined with biomaterials and mesenchymal stem cells (MSCs).
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Angelopoulos I, Trigo C, Ortuzar MI, Cuenca J, Brizuela C, Khoury M. Delivery of affordable and scalable encapsulated allogenic/autologous mesenchymal stem cells in coagulated platelet poor plasma for dental pulp regeneration. Sci Rep 2022; 12:435. [PMID: 35013332 PMCID: PMC8748942 DOI: 10.1038/s41598-021-02118-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 09/28/2021] [Indexed: 12/23/2022] Open
Abstract
The main goal of regenerative endodontics procedures (REPs) is to revitalize teeth by the regeneration of healthy dental pulp. In this study, we evaluated the potential of combining a natural and accessible biomaterial based on Platelet Poor Plasma (PPP) as a support for dental pulp stem cells (DPSC) and umbilical cord mesenchymal stem cells (UC-MSC). A comparison study between the two cell sources revealed compatibility with the PPP based scaffold with differences noted in the proliferation and angiogenic properties in vitro. Additionally, the release of growth factors including VEGF, HGF and DMP-1, was detected in the media of cultured PPP and was enhanced by the presence of the encapsulated MSCs. Dentin-Discs from human molars were filled with PPP alone or with MSCs and implanted subcutaneously for 4 weeks in mice. Histological analysis of the MSC-PPP implants revealed a newly formed dentin-like structure evidenced by the expression of Dentin sialophosphoprotein (DSPP). Finally, DPSC induced more vessel formation around the dental discs. This study provides evidence of a cost-effective, xenofree scaffold that is compatible with either autologous or allogenic strategy for dental pulp regeneration. This attempt if successfully implemented, could make REPs treatment widely accessible, contributing in improving global health conditions.
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Affiliation(s)
- Ioannis Angelopoulos
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
| | - Cesar Trigo
- Centro de Investigacion en Biologia y Regeneracion Oral (CIBRO), Faculty of Dentistry, Universidad de los Andes, Santiago, Chile
| | - Maria-Ignacia Ortuzar
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
| | - Jimena Cuenca
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile
| | - Claudia Brizuela
- Centro de Investigacion en Biologia y Regeneracion Oral (CIBRO), Faculty of Dentistry, Universidad de los Andes, Santiago, Chile
| | - Maroun Khoury
- Laboratory of Nano-Regenerative Medicine, Faculty of Medicine, Universidad de Los Andes, Santiago, Chile.
- Cells for Cells and REGENERO, The Chilean Consortium for Regenerative Medicine, Santiago, Chile.
- IMPACT, Center of Interventional Medicine for Precision and Advanced Cellular Therapy, Santiago, Chile.
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Soares CS, Babo PS, Reis RL, Carvalho PP, Gomes ME. Platelet-Derived Products in Veterinary Medicine: A New Trend or an Effective Therapy? Trends Biotechnol 2020; 39:225-243. [PMID: 32868100 DOI: 10.1016/j.tibtech.2020.07.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 07/20/2020] [Accepted: 07/22/2020] [Indexed: 12/20/2022]
Abstract
Platelet-derived products (PDPs) have gained popularity, mainly due to their high concentrations of bioactive molecules such as growth factors and cytokines, which play important roles in tissue healing and regeneration. PDPs are obtained through minimally invasive procedures and their therapeutic effect has been widely recognized. In veterinary medicine, however, the lack of standard protocols to generate PDPs is a major hurdle for assessing the clinical relevance of PDP-based therapies and for their widespread usage. The aim of this review is to analyze the technical and scientific specificities of PDPs in terms of preparation methodologies, classification categorization, nomenclature, and biological proprieties to advance their future biotechnological potential in veterinary contexts.
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Affiliation(s)
- Carla S Soares
- 3Bs Research Group, I3Bs, Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal; ICVS/3Bs, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Pedro S Babo
- 3Bs Research Group, I3Bs, Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal; ICVS/3Bs, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Rui L Reis
- 3Bs Research Group, I3Bs, Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal; ICVS/3Bs, PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Pedro P Carvalho
- Vasco da Gama Research Center, CIVG, University School Vasco da Gama, Lordemão, 3020-210 Coimbra, Portugal; Vetherapy, Research and Development in Biotechnology, Coimbra, Portugal.
| | - Manuela E Gomes
- 3Bs Research Group, I3Bs, Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, 4805-017 Barco, Guimarães, Portugal; ICVS/3Bs, PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Allogeneic Cellular Therapy in a Mature Tooth with Apical Periodontitis and Accidental Root Perforation: A Case Report. J Endod 2020; 46:1920-1927.e1. [PMID: 32532626 DOI: 10.1016/j.joen.2020.04.007] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/23/2020] [Accepted: 04/16/2020] [Indexed: 12/25/2022]
Abstract
INTRODUCTION Cell therapy in regenerative endodontics introduces an alternative option to classic treatment strategies for complex endodontic cases. The aim of this case report was to describe cell-based therapy using allogeneic umbilical cord mesenchymal stem cells (UC-MSCs) encapsulated in a bioscaffold for a complex case of a mature permanent tooth with apical periodontitis and accidental root perforation. METHODS A healthy 19-year-old man undergoing orthodontic treatment was referred for endodontic treatment in tooth #7; he was diagnosed with apical periodontitis during a previously initiated treatment associated with accidental perforation of the radicular cervical third. The root perforation was sealed with glass ionomer and composite resin, and the root canal was instrumented, disinfected, and dressed with calcium hydroxide. After 3 weeks, allogeneic UC-MSCs were encapsulated in platelet-poor plasma and then implanted into the root canal, and Biodentine (Septodont, Saint-Maur-des-Fosses, France) was placed below the cementoenamel junction. Finally, the tooth was restored with composite resin. RESULTS Follow-up examinations were performed 6 months and 1 year later. The examinations included periapical radiography, cone-beam computed tomographic imaging, and sensitivity and vitality tests. Radiographic and cone-beam computed tomographic images indicated remission of the apical lesion. Clinical evaluations revealed normal responses to percussion and palpation tests; the tooth was responsive to the electric pulp test, and the vitality test indicated low blood perfusion units. CONCLUSIONS This case report reveals the potential use of allogeneic cellular therapy using encapsulated UC-MSCS in a platelet-poor plasma scaffold for a complex case of a permanent tooth with apical periodontitis and root perforation.
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Toosi S, Behravan J. Osteogenesis and bone remodeling: A focus on growth factors and bioactive peptides. Biofactors 2020; 46:326-340. [PMID: 31854489 DOI: 10.1002/biof.1598] [Citation(s) in RCA: 47] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2019] [Accepted: 11/30/2019] [Indexed: 12/14/2022]
Abstract
Bone is one of the most frequently transplanted tissues. The bone structure and its physiological function and stem cells biology were known to be closely related to each other for many years. Bone is considered a home to the well-known systems of postnatal mesenchymal stem cells (MSCs). These bone resident MSCs provide a range of growth factors (GF) and cytokines to support cell growth following injury. These GFs include a group of proteins and peptides produced by different cells which are regulators of important cell functions such as division, migration, and differentiation. GF signaling controls the formation and development of the MSCs condensation and plays a critical role in regulating osteogenesis, chondrogenesis, and bone/mineral homeostasis. Thus, a combination of both MSCs and GFs receives high expectations in regenerative medicine, particularly in bone repair applications. It is known that the delivery of exogenous GFs to the non-union bone fracture site remarkably improves healing results. Here we present updated information on bone tissue engineering with a specific focus on GF characteristics and their application in cellular functions and tissue healing. Moreover, the interrelation of GFs with the damaged bone microenvironment and their mechanistic functions are discussed.
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Affiliation(s)
- Shirin Toosi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical, Mashhad, Iran
- Food and Drug Administration, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Javad Behravan
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical, Mashhad, Iran
- School of Pharmacy, University of Waterloo, Waterloo, Ontario, Canada
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Cai J, Tian J, Chen K, Cheng L, Xuan M, Cheng B. Erbium fractional laser irradiation combined with autologous platelet‐rich plasma and platelet‐poor plasma application for facial rejuvenation. J Cosmet Dermatol 2019; 19:1975-1979. [PMID: 31833646 DOI: 10.1111/jocd.13241] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 11/12/2019] [Accepted: 11/14/2019] [Indexed: 12/11/2022]
Affiliation(s)
- JinHui Cai
- Department of Plastic Surgery General Hospital of Southern Theater Command PLA Guangzhou China
| | - Ju Tian
- Department of Plastic Surgery General Hospital of Southern Theater Command PLA Guangzhou China
- Department of Plastic Surgery People’s Hospital of Zhongshan City Zhongshan China
- The Key Laboratory of Trauma Treatment and Tissue Repair of Tropical Area PLA Guangzhou China
| | - Kui Chen
- Department of Plastic Surgery General Hospital of Southern Theater Command PLA Guangzhou China
| | | | - Min Xuan
- Department of Plastic Surgery General Hospital of Southern Theater Command PLA Guangzhou China
| | - Biao Cheng
- Department of Plastic Surgery General Hospital of Southern Theater Command PLA Guangzhou China
- The Key Laboratory of Trauma Treatment and Tissue Repair of Tropical Area PLA Guangzhou China
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Song D, Huang Y, Van Dessel J, Shujaat S, Orhan K, Vangansewinkel T, Van den Eynde K, Lambrichts I, Roskams T, Politis C, Jacobs R. Effect of platelet-rich and platelet-poor plasma on peri-implant innervation in dog mandibles. Int J Implant Dent 2019; 5:40. [PMID: 31797145 PMCID: PMC6890900 DOI: 10.1186/s40729-019-0193-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 10/24/2019] [Indexed: 02/07/2023] Open
Abstract
Background Autologous plasma fractions, such as platelet-rich plasma (PRP) and platelet-poor plasma (PPP), contain growth factors that can enhance neural cell survival and are therefore likely to have the ability to promote nerve regeneration. The present study compared the effect of PRP and PPP application on myelinated nerve density and diameter in the peri-implant bone region. In addition, the effect of healing time on nerve regeneration was assessed. Materials and methods Nine beagle dogs randomly received 54 dental implants in the bilateral mandible according to a split-mouth design. Each implant was randomly assigned to one of three implant protocols: delayed implant placement with delayed loading (DIP + DL) with local application of PRP, DIP + DL with local application of PPP and DIP + DL without any plasma additive. The animals were euthanized at 1, 3, and 6 months after loading (3 dogs per time point). Block biopsies were prepared for histomorphometry in the peri-implant bone within 500 μm around the implants. Results Myelinated nerve fibers were identified in the trabecular bone and in the osteons near the implants surface. The nerve fibers in the PRP group (median ± IQR; 2.88 ± 1.55 μm) had a significantly (p < 0.05) greater diameter compared to the PPP (2.40 ± 0.91 μm) and control (2.11 ± 1.16 μm) group. The nerve diameter after 6 months healing (3.18 ± 1.58 μm) was significantly (p < 0.05) greater compared to 1 (2.08 ± 0.89 μm) and 3 (2.49 ± 1.22 μm) months. No significant difference was found for myelinated nerve density between groups and healing time. Conclusions The present study showed that the healing time significantly influenced the diameter of the myelinated nerve fibers in peri-implant bone. PRP exerted a significant effect on the diameter of the myelinated nerve fibers as compared to PPP. Large-scale animal studies and longer follow-up periods are needed to confirm these findings and to verify whether platelet plasma can facilitate nerve regeneration process.
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Affiliation(s)
- Dandan Song
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium.
| | - Yan Huang
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium.,State Key Laboratory of Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu, China
| | - Jeroen Van Dessel
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium
| | - Sohaib Shujaat
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium
| | - Kaan Orhan
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium.,Department of Dentomaxillofacial Radiology, Faculty of Dentistry, University of Ankara, Ankara, Turkey
| | - Tim Vangansewinkel
- Group of Morphology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Kathleen Van den Eynde
- Translational Cell & Tissue Research, Department of Imaging & Pathology, KU Leuven, Leuven, Belgium
| | - Ivo Lambrichts
- Group of Morphology, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Tania Roskams
- Translational Cell & Tissue Research, Department of Imaging & Pathology, KU Leuven, Leuven, Belgium
| | - Constantinus Politis
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium
| | - Reinhilde Jacobs
- OMFS IMPATH Research Group, Department of Imaging and Pathology, Faculty of Medicine, KU Leuven and Oral and Maxillofacial Surgery, University Hospitals Leuven, Campus Sint-Rafaël, Kapucijnenvoer 33, BE-3000, Leuven, Belgium.,Department of Dental Medicine, Karolinska Institute, Stockholm, Sweden
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Clay NE, Villanueva C, You T, Wrice N, Kowalczewski A, Christy RJ, Natesan S. Plasma-Alginate Composite Material Provides Improved Mechanical Support for Stem Cell Growth and Delivery. ACS APPLIED BIO MATERIALS 2019; 2:4271-4282. [PMID: 35021442 DOI: 10.1021/acsabm.9b00544] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Blood plasma-based products have been recently utilized in different tissue engineering applications, ranging from soft tissue repair to bone regeneration. Plasma contains fibrinogen which can be converted to an insoluble fibrin-laden gel in the presence of activated thrombin. In tissue engineering, these plasma-based materials can serve either as a three-dimensional scaffold to deliver therapeutic cells in vivo or as a growth factor-rich supply for tissue regeneration. Unfortunately, plasma-based materials are often mechanically weak and easily deformed, thus limiting their usability in harsh clinical settings. Simpler methods to create sturdier plasma-based materials are therefore needed. To this end, we hypothesized that combining alginate with plasma can create a composite plasma material with improved mechanical properties. Incorporating alginate into plasma produced composite gels with increasing bulk stiffness, as measured by rheology. Specifically, the plasma-alginate composite (PAC) gels with an alginate concentration of 2.86 mg/mL were 10-fold stiffer than pure plasma gels (11 vs 112 Pa). Interestingly, gel lysis rates were unchanged despite increasing alginate concentration (lysis time approximately 50 min). Adipose-derived stem cells cultured in the stiffer PAC gels expressed stemness markers (THY1, ENG, NT5E) at levels comparable to those in the pure plasma gels. Similarly, proangiogenic factor secretion was also constant across all gel conditions. In sum, we envision this PAC gel system will extend the use of plasma gel-based therapies into more rigorous clinical applications.
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Cakin MC, Ozdemir B, Kaya-Dagistanli F, Arkan H, Bahtiyar N, Anapali M, Akbas F, Onaran I. Evaluation of the in vivo wound healing potential of the lipid fraction from activated platelet-rich plasma. Platelets 2019; 31:513-520. [PMID: 31524041 DOI: 10.1080/09537104.2019.1663805] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
Previous in vitro studies suggest a direct relevance for the peptide-free lipid fraction (LF) of platelet-rich plasma (PRP) in biological mechanisms related to wound healing. However, there are no scientific reports to date on the wound healing activities of this lipid component in vivo. Thus, the present study provides a scientific evaluation for the wound healing potential of the lipid portion of the activated PRP. For the wound healing activity assessment, in vivo full-thickness excisional wounds were created on the dorsal skin of Sprague-Dawley rats. Lipid extract from pooled PRP was applied topically to the wounds on 0, 3, and 7 days after injury. Histological assessment of epidermal and dermal regeneration, granulation tissue thickness and angiogenesis by Sirius red and Masson's trichrome staining, in addition to immunohistochemical staining for transforming growth factor beta-1 (TGF-β1), collagen type I (COL I), and collagen type III (COL III) were performed on skin biopsies at 3, 7 and 14 days. The total histological scores of the LF group were significantly higher than the 25% dimethylsulfoxide-control group. According to the immunohistochemical staining, the observed expression changes for TGF-β1, COL I and III at 3, 7, and 14 days after wounding were significantly better in the study group than the control group. Furthermore, COL I/III ratio in the lipid extract-treated group at day 14 was much higher than that of the control group. Meanwhile, analysis of the data also indicated that the LF has less positive effects on all evaluated parameters than PRP. From the present data, it could be concluded that the peptide-free LF of PRP has potent wound healing capacity in vivo for cutaneous wounds, although not as much as that of PRP. Strengthening our understanding of the wound healing potential of lipid components of PRP and platelet-derived lipid factors may provide new avenues for improving the healing process of a wound with elevated protease activity.
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Affiliation(s)
- Mehmet Can Cakin
- Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa , Istanbul, Turkey
| | - Busra Ozdemir
- Department of Medical Biology, Faculty of Medicine, Bezmialem Vakif University , Istanbul, Turkey
| | - Fatma Kaya-Dagistanli
- Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa , Istanbul, Turkey
| | - Hulya Arkan
- Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa , Istanbul, Turkey
| | - Nurten Bahtiyar
- Department of Biophysics, Cerrahpasa Faculty of Medicine, Istanbul University- Cerrahpasa , Istanbul, Turkey
| | - Merve Anapali
- Department of Medical Biology, Faculty of Medicine, Ataturk University , Erzurum, Turkey
| | - Fahri Akbas
- Department of Medical Biology, Faculty of Medicine, Bezmialem Vakif University , Istanbul, Turkey
| | - Ilhan Onaran
- Department of Medical Biology, Cerrahpasa Faculty of Medicine, Istanbul University-Cerrahpasa , Istanbul, Turkey
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Smith PC, Martínez C, Martínez J, McCulloch CA. Role of Fibroblast Populations in Periodontal Wound Healing and Tissue Remodeling. Front Physiol 2019; 10:270. [PMID: 31068825 PMCID: PMC6491628 DOI: 10.3389/fphys.2019.00270] [Citation(s) in RCA: 105] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2018] [Accepted: 02/28/2019] [Indexed: 12/31/2022] Open
Abstract
After injury to periodontal tissues, a sequentially phased healing response is initiated that enables wound closure and partial restoration of tissue structure and function. Wound closure in periodontal tissues involves the tightly regulated coordination of resident cells in epithelial and connective tissue compartments. Multiple cell populations in these compartments synergize their metabolic activities to reestablish a mucosal seal that involves the underlying periodontal connective tissues and the attachment of these tissues to the tooth surface. The formation of an impermeable seal around the circumference of the tooth is of particular significance in oral health since colonization of tooth surfaces by pathogenic biofilms promotes inflammation, which can contribute to periodontal tissue degradation and tooth loss. The reformation of periodontal tissue structures in the healing response centrally involves fibroblasts, which synthesize and organize the collagen fibers that link alveolar bone and gingiva to the cementum covering the tooth root. The synthesis and remodeling of nascent collagen matrices are of fundamental importance for the reestablishment of a functional periodontium and are mediated by diverse, multi-functional fibroblast populations that reside within the connective tissues of gingiva and periodontal ligament. Notably, after gingival wounding, a fibroblast sub-type (myofibroblast) arises, which is centrally involved in collagen synthesis and fibrillar remodeling. While myofibroblasts are not usually seen in healthy, mature connective tissues, their formation is enhanced by wound-healing cytokines. The formation of myofibroblasts is also modulated by the stiffness of the extracellular matrix, which is mechanosensed by resident precursor cells in the gingival connective tissue microenvironment. Here, we consider the cellular origins and the factors that control the differentiation and matrix remodeling functions of periodontal fibroblasts. An improved understanding of the regulation and function of periodontal fibroblasts will be critical for the development of new therapies to optimize the restoration of periodontal structure and function after wounding.
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Affiliation(s)
- Patricio C Smith
- Faculty of Medicine, School of Dentistry, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Constanza Martínez
- Faculty of Medicine, School of Dentistry, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Jorge Martínez
- Laboratory of Cell Biology, Institute of Nutrition and Food Technology, INTA, Universidad de Chile, Santiago, Chile
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Similar effect of ultrasound-guided platelet-rich plasma versus platelet-poor plasma injections for chronic plantar fasciitis. Foot (Edinb) 2019; 38:30-33. [PMID: 30572281 DOI: 10.1016/j.foot.2018.11.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 11/11/2018] [Accepted: 11/25/2018] [Indexed: 02/04/2023]
Abstract
BACKGROUND There are conflicting reports regarding the therapeutic effect of platelet-rich plasma (PRP) versus autologous whole-blood (platelet poor plasma, PPP) injections for plantar fasciitis. Therefore, this study was conducted to compare the effectiveness of a single ultrasound (US)-guided PRP versus PPP injection in patients with chronic plantar fasciitis. MATERIALS AND METHODS 36 patients were recruited with clinical and sonographic evidence of chronic (>6 months) plantar fasciitis, refractory to analgesics and physical therapy in a double-blinded, randomized, prospective study. The patients were randomly allocated into two groups with a sealed envelope method. Group A included 18 patients who underwent a single US-guided PRP injection and group B included another 18 patients who underwent PPP injection with the same technique. Follow-up was set at 3 and 6 months; no patient was lost to follow-up. Pain, function and satisfaction were assessed using visual analogue scales, and occurrence of complications. RESULTS All scores statistically significantly improved for both groups from baseline at the 3- and 6-month follow-up evaluation, without, however, any statistically significant differences between the two groups with respect to pain, function and satisfaction scores. Complications were not observed. CONCLUSIONS A single US-guided PRP injection yields similar results with PPP injection in patients with chronic plantar fasciitis. Both treatments provide significant improvement at 3 and 6-month follow-up after the injection.
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Influence of Platelet-Rich and Platelet-Poor Plasma on Endogenous Mechanisms of Skeletal Muscle Repair/Regeneration. Int J Mol Sci 2019; 20:ijms20030683. [PMID: 30764506 PMCID: PMC6387315 DOI: 10.3390/ijms20030683] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 12/11/2022] Open
Abstract
The morpho-functional recovery of injured skeletal muscle still represents an unmet need. None of the therapeutic options so far adopted have proved to be resolutive. A current scientific challenge remains the identification of effective strategies improving the endogenous skeletal muscle regenerative program. Indeed, skeletal muscle tissue possesses an intrinsic remarkable regenerative capacity in response to injury, mainly thanks to the activity of a population of resident muscle progenitors called satellite cells, largely influenced by the dynamic interplay established with different molecular and cellular components of the surrounding niche/microenvironment. Other myogenic non-satellite cells, residing within muscle or recruited via circulation may contribute to post-natal muscle regeneration. Unfortunately, in the case of extended damage the tissue repair may become aberrant, giving rise to a maladaptive fibrotic scar or adipose tissue infiltration, mainly due to dysregulated activity of different muscle interstitial cells. In this context, plasma preparations, including Platelet-Rich Plasma (PRP) and more recently Platelet-Poor Plasma (PPP), have shown advantages and promising therapeutic perspectives. This review focuses on the contribution of these blood-derived products on repair/regeneration of damaged skeletal muscle, paying particular attention to the potential cellular targets and molecular mechanisms through which these products may exert their beneficial effects.
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Comparative effect of platelet-rich plasma, platelet-poor plasma, and fetal bovine serum on the proliferative response of periodontal ligament cell subpopulations. Clin Oral Investig 2018; 23:2455-2463. [PMID: 30311062 DOI: 10.1007/s00784-018-2637-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Accepted: 09/11/2018] [Indexed: 02/06/2023]
Abstract
OBJECTIVES Cell-based therapies involve the need to expand cell cultures ex vivo for their subsequent implantation in an autologous manner. An important limitation regarding this technology is the use of fetal bovine serum (FBS) that has critical safety limitations. Platelet-derived fractions represent an autologous source of growth factors that may be used for the expansion of these cell cultures. Periodontal ligament (PDL) cells comprise a heterogeneous cell population that may not necessarily respond in a uniform manner to proliferative stimuli. The aim of this study was to evaluate the ability of two platelet-derived fractions, platelet-rich plasma (PRP) and platelet-poor plasma (PPP) and FBS on the proliferative response of different subpopulations of PDL cell cultures. MATERIALS AND METHODS PDL cells were characterized and then exposed to PRP, PPP, or FBS during 2, 5, or 14 days to analyze cell proliferation and clonogenic capability. Cell proliferation was evaluated through immunofluorescence for Ki67 and by tracing carboxyfluorescein diacetate succinimidyl ester (CFSE) dye in combination with mesenchymal stem cell markers using flow cytometry. RESULTS Both PRP and PPP stimulated PDL cell proliferation and their clonogenic ability. We found a significant increase of CD73- and CD90-positive cells after PRP or PPP treatment, compared to FBS. Otherwise, no differences were found regarding the response of CD146-or CD105-positive cells when stimulated with PRP, PPP, or FBS. CONCLUSION PRP and PPP can stimulate the proliferation and clonogenicity of PDL cell populations including cells positive for CD90 and CD73 markers. CLINICAL RELEVANCE These findings may have implications for future therapies aiming to stimulate periodontal regeneration using autologous growth factors.
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Qian Y, Han Q, Chen W, Song J, Zhao X, Ouyang Y, Yuan W, Fan C. Platelet-Rich Plasma Derived Growth Factors Contribute to Stem Cell Differentiation in Musculoskeletal Regeneration. Front Chem 2017; 5:89. [PMID: 29164105 PMCID: PMC5671651 DOI: 10.3389/fchem.2017.00089] [Citation(s) in RCA: 81] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Accepted: 10/16/2017] [Indexed: 12/24/2022] Open
Abstract
Stem cell treatment and platelet-rich plasma (PRP) therapy are two significant issues in regenerative medicine. Stem cells such as bone marrow mesenchymal stem cells, adipose-derived stem cells and periodontal ligament stem cells can be successfully applied in the field of tissue regeneration. PRP, a natural product isolated from whole blood, can secrete multiple growth factors (GFs) for regulating physiological activities. These GFs can stimulate proliferation and differentiation of different stem cells in injury models. Therefore, combination of both agents receives wide expectations in regenerative medicine, especially in bone, cartilage and tendon repair. In this review, we thoroughly discussed the interaction and underlying mechanisms of PRP derived GFs with stem cells, and assessed their functions in cell differentiation for musculoskeletal regeneration.
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Affiliation(s)
- Yun Qian
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Shanghai Sixth People's Hospital East Campus, Shanghai University of Medicine and Health, Shanghai, China
| | - Qixin Han
- Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wei Chen
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Shanghai Sixth People's Hospital East Campus, Shanghai University of Medicine and Health, Shanghai, China
| | - Jialin Song
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Shanghai Sixth People's Hospital East Campus, Shanghai University of Medicine and Health, Shanghai, China
| | - Xiaotian Zhao
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Yuanming Ouyang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.,Shanghai Sixth People's Hospital East Campus, Shanghai University of Medicine and Health, Shanghai, China
| | - Weien Yuan
- School of Pharmacy, Shanghai Jiao Tong University, Shanghai, China
| | - Cunyi Fan
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
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Shahidi M, Vatanmakanian M, Arami MK, Sadeghi Shirazi F, Esmaeili N, Hydarporian S, Jafari S. A comparative study between platelet-rich plasma and platelet-poor plasma effects on angiogenesis. Med Mol Morphol 2017; 51:21-31. [DOI: 10.1007/s00795-017-0168-5] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Accepted: 08/01/2017] [Indexed: 12/24/2022]
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Annual review of selected scientific literature: Report of the committee on scientific investigation of the American Academy of Restorative Dentistry. J Prosthet Dent 2017; 118:281-346. [DOI: 10.1016/j.prosdent.2017.04.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Revised: 04/27/2017] [Accepted: 04/27/2017] [Indexed: 01/19/2023]
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Chisini LA, Karam SA, Noronha TG, Sartori LRM, San Martin AS, Demarco FF, Conde MCM. Platelet-Poor Plasma as a Supplement for Fibroblasts Cultured in Platelet-Rich Fibrin. Acta Stomatol Croat 2017; 51:133-140. [PMID: 28827850 PMCID: PMC5548224 DOI: 10.15644/asc51/2/6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The aim of this study was to evaluate the proliferation and adhesion of mesenchymal cells (3T3/NIH) in Dulbecco’s Modified Eagle Medium(DMEM) supplemented with Platelet-Poor Plasma (PPP) in aPlatelet-Rich Fibrin (PRF) scaffold. Human blood was obtained and processed in a centrifuge considering the equation G=1.12xRx(RPM/1000)2 to obtain PRF and PPP.Cell adhesion and maintenance analyses were performed by MTTassays in a 96 well plate withsupplemented DMEM: PPP (90:10) for 24 hours. Besides, the PRF was deposited in a 48 well plate and 10x104 cells were seeded above each PRF (n=3) with 800µl of DMEM: PPP (90:10) and cultured for 7 days. Histological analysis and the immunohistochemical staining for Vimentin were performed. Results were analyzed by one-way ANOVA in Stata12®. A significant decrease (p<0.05) of cells adhesion in relationship to FBSwas observed. However, a similar ability of cell-maintenance for PPP 10% was observed (P>0.05). Fibroblasts culture for 7 days in PRF supplemented with PPP 10% was possible, showing positive staining for Vimentin. Therefore, PPP cell supplementation decreased the initial adhesion of cells but was able to maintain the proliferation of adhered cells and able to support their viability in PRF.It seems that this method has many clinical advantagessince it provides an autologous and natural scaffold with their respective supplement for cell culture by only one process, without using xenogeneic compounds. This could improve the potential of clinical translational therapies based on the use of PRF cultured cells, promoting the regenerative potential for future use in medicine and dentistry.
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Affiliation(s)
| | | | - Thaís Gioda Noronha
- Graduate Program in Dentistry, Federal University of Pelotas, Pelotas-RS, Brazil
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Platelet-Rich Plasma as an Autologous and Proangiogenic Cell Delivery System. Mediators Inflamm 2017; 2017:1075975. [PMID: 28845088 PMCID: PMC5563430 DOI: 10.1155/2017/1075975] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Accepted: 06/20/2017] [Indexed: 12/18/2022] Open
Abstract
Angiogenesis is a key factor in early stages of wound healing and is crucial for the repair of vascularized tissues such as the bone. However, supporting timely revascularization of the defect site still presents a clinical challenge. Tissue engineering approaches delivering endothelial cells or prevascularized constructs may overcome this problem. In the current study, we investigated platelet-rich plasma (PRP) gels as autologous, injectable cell delivery systems for prevascularized constructs. PRP was produced from human thrombocyte concentrates. GFP-expressing human umbilical vein endothelial cells (HUVECs) and human bone marrow-derived mesenchymal stem cells (MSCs) were encapsulated in PRP gels in different proportions. The formation of cellular networks was assessed over 14 days by time-lapse microscopy, gene expression analysis, and immunohistology. PRP gels presented a favorable environment for the formation of a three-dimensional (3D) cellular network. The formation of these networks was apparent as early as 3 days after seeding. Networks increased in complexity and branching over time but were only stable in HUVEC-MSC cocultures. The high cell viability together with the 3D capillary-like networks observed at early time points suggests that PRP can be used as an autologous and proangiogenic cell delivery system for the repair of vascularized tissues such as the bone.
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Martínez CE, Smith PC, Palma Alvarado VA. The influence of platelet-derived products on angiogenesis and tissue repair: a concise update. Front Physiol 2015; 6:290. [PMID: 26539125 PMCID: PMC4611136 DOI: 10.3389/fphys.2015.00290] [Citation(s) in RCA: 130] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Accepted: 10/02/2015] [Indexed: 01/22/2023] Open
Abstract
Platelet degranulation allows the release of a large amount of soluble mediators, is an essential step for wound healing initiation, and stimulates clotting, and angiogenesis. The latter process is one of the most critical biological events observed during tissue repair, increasing the growth of blood vessels in the maturing wound. Angiogenesis requires the action of a variety of growth factors that act in an appropriate physiological ratio to assure functional blood vessel restoration. Platelets release main regulators of angiogenesis: Vascular Endothelial Growth Factors (VEGFs), basic fibroblast growth factor (FGF-2), and Platelet derived growth factors (PDGFs), among others. In order to stimulate tissue repair, platelet derived fractions have been used as an autologous source of growth factors and biomolecules, namely Platelet Rich Plasma (PRP), Platelet Poor Plasma (PPP), and Platelet Rich Fibrin (PRF). The continuous release of these growth factors has been proposed to promote angiogenesis both in vitro and in vivo. Considering the existence of clinical trials currently evaluating the efficacy of autologous PRP, the present review analyses fundamental questions regarding the putative role of platelet derived fractions as regulators of angiogenesis and evaluates the possible clinical implications of these formulations.
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Affiliation(s)
- Constanza E Martínez
- Dentistry Academic Unit, Laboratory of Periodontal Biology and Regeneration, Faculty of Medicine, Pontificia Universidad Católica de Chile Santiago, Chile
| | - Patricio C Smith
- Dentistry Academic Unit, Laboratory of Periodontal Biology and Regeneration, Faculty of Medicine, Pontificia Universidad Católica de Chile Santiago, Chile
| | - Verónica A Palma Alvarado
- Laboratory of Stem Cells and Development, Faculty of Science, FONDAP Center for Genome Regulation, University of Chile Santiago, Chile
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