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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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2
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Zhu Y, Yan J, Zhang H, Cui G. Bone marrow mesenchymal stem cell‑derived exosomes: A novel therapeutic agent for tendon‑bone healing (Review). Int J Mol Med 2023; 52:121. [PMID: 37937691 PMCID: PMC10635703 DOI: 10.3892/ijmm.2023.5324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Accepted: 10/24/2023] [Indexed: 11/09/2023] Open
Abstract
In sports medicine, injuries related to the insertion of tendons into bones, including rotator cuff injuries, anterior cruciate ligament injuries and Achilles tendon ruptures, are commonly observed. However, traditional therapies have proven to be insufficient in achieving satisfactory outcomes due to the intricate anatomical structure associated with these injuries. Adult bone marrow mesenchymal stem cells possess self‑renewal and multi‑directional differentiation potential and can generate various mesenchymal tissues to aid in the recovery of bone, cartilage, adipose tissue and bone marrow hematopoietic tissue. In addition, extracellular vesicles derived from bone marrow mesenchymal stem cells known as exosomes, contain lipids, proteins and nucleic acids that govern the tissue microenvironment, facilitate tissue repair and perform various biological functions. Studies have demonstrated that bone marrow mesenchymal stem cell‑derived exosomes can function as natural nanocapsules for drug delivery and can enhance tendon‑bone healing strength. The present review discusses the latest research results on the role of exosomes released by bone marrow mesenchymal stem cells in tendon‑bone healing and provides valuable information for implementing these techniques in regenerative medicine and sports health.
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Affiliation(s)
- Yongjia Zhu
- Department of Arthritis, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Jiapeng Yan
- Department of Arthritis, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Hongfei Zhang
- Department of Arthritis, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
| | - Guanxing Cui
- Department of Arthritis, Affiliated Hospital of Weifang Medical University, Weifang, Shandong 261031, P.R. China
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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: 8] [Impact Index Per Article: 8.0] [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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Lu J, Chen H, Lyu K, Jiang L, Chen Y, Long L, Wang X, Shi H, Li S. The Functions and Mechanisms of Tendon Stem/Progenitor Cells in Tendon Healing. Stem Cells Int 2023; 2023:1258024. [PMID: 37731626 PMCID: PMC10509002 DOI: 10.1155/2023/1258024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 08/20/2023] [Accepted: 08/24/2023] [Indexed: 09/22/2023] Open
Abstract
Tendon injury is one of the prevalent disorders of the musculoskeletal system in orthopedics and is characterized by pain and limitation of joint function. Due to the difficulty of spontaneous tendon healing, and the scar tissue and low mechanical properties that usually develops after healing. Therefore, the healing of tendon injury remains a clinical challenge. Although there are a multitude of approaches to treating tendon injury, the therapeutic effects have not been satisfactory to date. Recent studies have shown that stem cell therapy has a facilitative effect on tendon healing. In particular, tendon stem/progenitor cells (TSPCs), a type of stem cell from tendon tissue, play an important role not only in tendon development and tendon homeostasis, but also in tendon healing. Compared to other stem cells, TSPCs have the potential to spontaneously differentiate into tenocytes and express higher levels of tendon-related genes. TSPCs promote tendon healing by three mechanisms: modulating the inflammatory response, promoting tenocyte proliferation, and accelerating collagen production and balancing extracellular matrix remodeling. However, current investigations have shown that TSPCs also have a negative effect on tendon healing. For example, misdifferentiation of TSPCs leads to a "failed healing response," which in turn leads to the development of chronic tendon injury (tendinopathy). The focus of this paper is to describe the characteristics of TSPCs and tenocytes, to demonstrate the roles of TSPCs in tendon healing, while discussing the approaches used to culture and differentiate TSPCs. In addition, the limitations of TSPCs in clinical application and their potential therapeutic strategies are elucidated.
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Affiliation(s)
- Jingwei Lu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Hui Chen
- Geriatric Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Kexin Lyu
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Li Jiang
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Yixuan Chen
- School of Physical Education, Southwest Medical University, Luzhou, China
| | - Longhai Long
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Xiaoqiang Wang
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Houyin Shi
- Spinal Surgery Department, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou, China
| | - Sen Li
- Division of Spine Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China
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Guan Q, Guo ZH, Dai DM, Fan ZX, Chen J, Wu SL, Liu XM, Miao Y, Hu ZQ, Qu Q. Platelet lysate promotes hair growth: In vitro and in vivo mechanism and randomized, controlled trial. Biomed Pharmacother 2023; 161:114517. [PMID: 36913893 DOI: 10.1016/j.biopha.2023.114517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 03/07/2023] [Accepted: 03/09/2023] [Indexed: 03/13/2023] Open
Abstract
BACKGROUND Platelet lysate (PL), a novel platelet derivative, has been widely used in regenerative medicine and is a potential therapy for improving hair growth. It is necessary to fully clarify the potential mechanism and evaluate preliminary clinical effect of PL on hair growth. METHODS We used the C57BL/6 model, organ-cultured hair follicles, and RNA-seq analysis to explore the mechanisms of PL regulating hair growth. Then, we performed a randomized, controlled, double-blind study of 107 AGA patients to verify the therapeutic efficacy of PL. RESULTS The results confirmed that PL improved hair growth and accelerated hair cycling in mice. Organ-cultured hair follicle evaluation confirmed that PL prolonged anagen remarkably and down-regulated IL-6, C-FOS, and p-STAT5a. Clinically, diameter, hair counts, absolute anagen counts and changes from baseline in the PL group showed a significant improvement at 6 months. CONCLUSIONS We elucidated the specific molecular mechanism of PL action on hair growth and proved equal changes in hair follicle performance after PL vs PRP in AGA patients. This study provided novel knowledge of PL, making it ideal for AGA.
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Affiliation(s)
- Qing Guan
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China; Department of Plastic and Aesthetic Surgery, Guiyang First People's Hospital, Guiyang, China
| | - Ze-Hong Guo
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China
| | - Da-Mao Dai
- Department of Plastic and Cosmetic Surgery, Shenzhen People's Hospital, Second Clinical Medical College of Jinan University Medical College, 1st Affiliated Hospital of Southern University of Science and Technology, China
| | - Zhe-Xiang Fan
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China
| | - Jian Chen
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China
| | - Shu-Lin Wu
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China
| | - Xiao-Min Liu
- Department of Plastic and Aesthetic Surgery, clifford-hospital, Guangzhou, China
| | - Yong Miao
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China.
| | - Zhi-Qi Hu
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China.
| | - Qian Qu
- Department of Plastic and Aesthetic Surgery, Nan Fang Hospital, Southern Medical University, Guangzhou, China.
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6
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Zhu Z, Sun S, Jiang T, Zhang L, Chen M, Chen S. A double-edged sword of platelet-derived extracellular vesicles in tissues, injury or repair: The current research overview. Tissue Cell 2023; 82:102066. [PMID: 36924675 DOI: 10.1016/j.tice.2023.102066] [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: 10/20/2022] [Revised: 02/23/2023] [Accepted: 03/09/2023] [Indexed: 03/14/2023]
Abstract
Extracellular vesicles (EVs) are vesicular bodies with a double-layered membrane structure that are detached from the cell membrane or secreted by the cells. EVs secreted by platelets account for the main part in the blood circulation, which account for about 30% or even more. Many types of cells are regulated by PEVs, including endothelial cells, leukocytes, smooth muscle cells, etc. Nevertheless, despite the growing interest in the study of extracellular vesicles, there are still only a few studies on the role of PEVs. Therefore, this overview mainly focuses on one method of isolation and the functions of PEVs in tissues found so far, including promoting tissue repair and mediating tissue damage, which can be used for researchers to continue to explore the role of PEVs in other fields.
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Affiliation(s)
- Zepeng Zhu
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Si Sun
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Tiancheng Jiang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Medical School, Southeast University, Nanjing, China
| | - Lei Zhang
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China.
| | - Ming Chen
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China.
| | - Shuqiu Chen
- Department of Urology, Zhongda Hospital, Southeast University, Nanjing, China; Surgical Research Center, Institute of Urology, Southeast University Medical School, Nanjing, China.
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7
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Martin J, Malanga G. Orthobiologic Standardization and Clinical Outcome Measurement. Phys Med Rehabil Clin N Am 2023; 34:285-290. [DOI: 10.1016/j.pmr.2022.08.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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8
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Protocols and Techniques for Orthobiologic Procedures. Phys Med Rehabil Clin N Am 2023; 34:105-115. [DOI: 10.1016/j.pmr.2022.08.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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9
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De Luigi AJ, Tow S, Flowers R, Gordon AH. Special Populations in Orthobiologics. Phys Med Rehabil Clin N Am 2023; 34:199-237. [DOI: 10.1016/j.pmr.2022.08.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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10
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Oloff LM, Wilhelm I, Vora NS. Orthobiologic Use in Sports Injuries. Clin Podiatr Med Surg 2023; 40:169-179. [PMID: 36368841 DOI: 10.1016/j.cpm.2022.07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Orthobiologics have gained much popularity in recent years but there has not been a large amount of clinical evidence to support their use. In the limited research that has been published, they have been shown to be effective and safe. They can assist in earlier return to activity with the avoidance of surgery. They can also augment current surgical practice to aid in healing and return to sport with few complications. With new medical innovation, there is unfortunately a higher cost for these products. The use of orthobiologics will only grow and so will the need for high-level clinical evidence.
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Affiliation(s)
- Lawrence M Oloff
- Saint Mary's Medical Center, 450 Stanyan Street, San Francisco, CA 94117, USA.
| | - Isaac Wilhelm
- Saint Mary's Medical Center, 450 Stanyan Street, San Francisco, CA 94117, USA
| | - Nishit S Vora
- 1501 Trousdale Drive, Suite 115, Burlingame, CA 94010, USA
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11
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Everts PA, Mazzola T, Mautner K, Randelli PS, Podesta L. Modifying Orthobiological PRP Therapies Are Imperative for the Advancement of Treatment Outcomes in Musculoskeletal Pathologies. Biomedicines 2022; 10:biomedicines10112933. [PMID: 36428501 PMCID: PMC9687216 DOI: 10.3390/biomedicines10112933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/10/2022] [Accepted: 11/11/2022] [Indexed: 11/18/2022] Open
Abstract
Autologous biological cellular preparations have materialized as a growing area of medical advancement in interventional (orthopedic) practices and surgical interventions to provide an optimal tissue healing environment, particularly in tissues where standard healing is disrupted and repair and ultimately restoration of function is at risk. These cellular therapies are often referred to as orthobiologics and are derived from patient's own tissues to prepare point of care platelet-rich plasma (PRP), bone marrow concentrate (BMC), and adipose tissue concentrate (ATC). Orthobiological preparations are biological materials comprised of a wide variety of cell populations, cytokines, growth factors, molecules, and signaling cells. They can modulate and influence many other resident cells after they have been administered in specific diseased microenvironments. Jointly, the various orthobiological cell preparations are proficient to counteract persistent inflammation, respond to catabolic reactions, and reinstate tissue homeostasis. Ultimately, precisely delivered orthobiologics with a proper dose and bioformulation will contribute to tissue repair. Progress has been made in understanding orthobiological technologies where the safety and relatively easy manipulation of orthobiological treatment tools has been demonstrated in clinical applications. Although more positive than negative patient outcome results have been registered in the literature, definitive and accepted standards to prepare specific cellular orthobiologics are still lacking. To promote significant and consistent clinical outcomes, we will present a review of methods for implementing dosing strategies, using bioformulations tailored to the pathoanatomic process of the tissue, and adopting variable preparation and injection volume policies. By optimizing the dose and specificity of orthobiologics, local cellular synergistic behavior will increase, potentially leading to better pain killing effects, effective immunomodulation, control of inflammation, and (neo) angiogenesis, ultimately contributing to functionally restored body movement patterns.
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Affiliation(s)
- Peter A. Everts
- Education & Research Division, Gulf Coast Biologics, Fort Myers, FL 33916, USA
- Correspondence: ; Tel.: +1-239-961-6457
| | - Timothy Mazzola
- Breakthrough Regenerative Orthopedics, Boulder, CO 80305, USA
| | - Kenneth Mautner
- Department of Physical Medicine and Rehabilitation, Emory University, Atlanta, GA 30329, USA
| | - Pietro S. Randelli
- Instituto Orthopedico Gaetano Pini, Milan University, 20122 Milan, Italy
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12
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Basic Science of Autologous Orthobiologics Part 1. Platelet-Rich Plasma. Phys Med Rehabil Clin N Am 2022; 34:1-23. [DOI: 10.1016/j.pmr.2022.08.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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13
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VEGFA-Enriched Exosomes from Tendon-Derived Stem Cells Facilitate Tenocyte Differentiation, Migration, and Transition to a Fibroblastic Phenotype. BIOMED RESEARCH INTERNATIONAL 2022; 2022:8537959. [PMID: 36119932 PMCID: PMC9481323 DOI: 10.1155/2022/8537959] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 08/15/2022] [Accepted: 08/26/2022] [Indexed: 11/24/2022]
Abstract
Tendon-derived stem cells (TDSCs) play a vital role in repair of rotator cuff tear injuries by secreting paracrine proteins that regulate resident cell functions. Secreted exosomes may play a role in tendon injury repair by mediating intercellular communication; however, the detailed mechanisms by which TDSC-derived exosomes affect tenocyte development remain unknown. Here, we examined the effects of exosomes isolated from conditioned medium of TDSCs on tenocyte differentiation, migration, and transition to a fibroblastic phenotype in vitro. Successful isolation of exosomes from TDSCs was confirmed by high expression levels of CD81, CD63, CD9, and TSG101. Treatment with TDSC-derived exosomes promoted the growth and migration of cultured rat tenocytes, and increased the levels of the fibrosis markers collagen I, collagen III, scleraxis, tenascin C, and α-smooth muscle actin. Furthermore, vascular endothelial growth factor A (VEGFA) expression was higher in TDSC-derived exosomes than in TDSCs, and genetic knockdown of VEGFA suppressed the stimulatory effect of TDSC-derived exosomes on tenocyte development. Overall, these results demonstrate that VEGFA-enriched exosomes isolated from TDSCs promote differentiation and migration of cultured tenocytes and their transition to a fibroblastic phenotype. These data provide a new potential clinical treatment strategy for tendon injury.
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14
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Yin B, Ni J, Witherel CE, Yang M, Burdick JA, Wen C, Wong SHD. Harnessing Tissue-derived Extracellular Vesicles for Osteoarthritis Theranostics. Theranostics 2022; 12:207-231. [PMID: 34987642 PMCID: PMC8690930 DOI: 10.7150/thno.62708] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 09/29/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a prevalent chronic whole-joint disease characterized by low-grade systemic inflammation, degeneration of joint-related tissues such as articular cartilage, and alteration of bone structures that can eventually lead to disability. Emerging evidence has indicated that synovium or articular cartilage-secreted extracellular vesicles (EVs) contribute to OA pathogenesis and physiology, including transporting and enhancing the production of inflammatory mediators and cartilage degrading proteinases. Bioactive components of EVs are known to play a role in OA include microRNA, long non-coding RNA, and proteins. Thus, OA tissues-derived EVs can be used in combination with advanced nanomaterial-based biosensors for the diagnostic assessment of OA progression. Alternatively, mesenchymal stem cell- or platelet-rich plasma-derived EVs (MSC-EVs or PRP-EVs) have high therapeutic value for treating OA, such as suppressing the inflammatory immune microenvironment, which is often enriched by pro-inflammatory immune cells and cytokines that reduce chondrocytes apoptosis. Moreover, those EVs can be modified or incorporated into biomaterials for enhanced targeting and prolonged retention to treat OA effectively. In this review, we explore recently reported OA-related pathological biomarkers from OA joint tissue-derived EVs and discuss the possibility of current biosensors for detecting EVs and EV-related OA biomarkers. We summarize the applications of MSC-EVs and PRP-EVs and discuss their limitations for cartilage regeneration and alleviating OA symptoms. Additionally, we identify advanced therapeutic strategies, including engineered EVs and applying biomaterials to increase the efficacy of EV-based OA therapies. Finally, we provide our perspective on the future of EV-related diagnosis and therapeutic potential for OA treatment.
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Affiliation(s)
- Bohan Yin
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Junguo Ni
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | | | - Mo Yang
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China
| | - Jason A. Burdick
- Department of Bioengineering, University of Pennsylvania, PA 16802, USA.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
| | - Chunyi Wen
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,Research Institute of Smart Ageing, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
| | - Siu Hong Dexter Wong
- Department of Biomedical Engineering, the Hong Kong Polytechnic University, Hong Kong, 999077, China.,✉ Corresponding authors: Jason A. Burdick: . Chunyi Wen: . Siu Hong Dexter Wong:
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15
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Sanghani-Kerai A, Black C, Cheng SO, Collins L, Schneider N, Blunn G, Watson F, Fitzpatrick N. Clinical outcomes following intra-articular injection of autologous adipose-derived mesenchymal stem cells for the treatment of osteoarthritis in dogs characterized by weight-bearing asymmetry. Bone Joint Res 2021; 10:650-658. [PMID: 34628940 PMCID: PMC8559970 DOI: 10.1302/2046-3758.1010.bjr-2020-0540.r1] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
AIMS This study investigates the effects of intra-articular injection of adipose-derived mesenchymal stem cells (AdMSCs) and platelet-rich plasma (PRP) on lameness, pain, and quality of life in osteoarthritic canine patients. METHODS With informed owner consent, adipose tissue collected from adult dogs diagnosed with degenerative joint disease was enzymatically digested and cultured to passage 1. A small portion of cells (n = 4) surplus to clinical need were characterized using flow cytometry and tri-lineage differentiation. The impact and degree of osteoarthritis (OA) was assessed using the Liverpool Osteoarthritis in Dogs (LOAD) score, Modified Canine Osteoarthritis Staging Tool (mCOAST), kinetic gait analysis, and diagnostic imaging. Overall, 28 joints (25 dogs) were injected with autologous AdMSCs and PRP. The patients were followed up at two, four, eight, 12, and 24 weeks. Data were analyzed using two related-samples Wilcoxon signed-rank or Mann-Whitney U tests with statistical significance set at p < 0.05. RESULTS AdMSCs demonstrated stem cell-like characteristics. LOAD scores were significantly lower at week 4 compared with preinjection (p = 0.021). The mCOAST improved significantly after three months (p = 0.001) and six months (p = 0.001). Asymmmetry indices decreased from four weeks post-injection and remained significantly lower at six months (p = 0.025). CONCLUSION These improvements in quality of life, reduction in pain on examination, and improved symmetry in dogs injected with AdMSCs and PRP support the effectiveness of this combined treatment for symptom modification in canine OA for six months. Cite this article: Bone Joint Res 2021;10(10):650-658.
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Affiliation(s)
| | | | | | | | | | - G Blunn
- School of Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth, UK
| | - Fraje Watson
- Fitzpatrick Referrals, Godalming, UK.,Institute of Orthopaedic & Musculoskeletal Science, University College London, London, UK
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16
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Berger DR, Centeno CJ, Kisiday JD, McIlwraith CW, Steinmetz NJ. Colony Forming Potential and Protein Composition of Commercial Umbilical Cord Allograft Products in Comparison With Autologous Orthobiologics. Am J Sports Med 2021; 49:3404-3413. [PMID: 34398643 DOI: 10.1177/03635465211031275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Umbilical cord (UC) connective tissues contain plastic-adherent, colony forming unit-fibroblasts (CFU-Fs) amenable to culture expansion for potential therapeutic use. Recently, UC-derived allograft products have been made available to practitioners in orthopaedics and other specialties, by companies purporting "stem cell"-based healing. However, such marketing claims conflict with existing regulations for these human tissues, generating questions over the cellular and protein composition of current commercially available UC allograft products. PURPOSE To evaluate commercial UC allograft products for viable cells, CFU-Fs, and protein makeup. STUDY DESIGN Descriptive laboratory study. METHODS Five commercial UC allograft products claiming to contain viable, undescribed "stem cells," 2 obtained from UC blood (UCB) and 3 from UC tissue (UCT), were analyzed. Image-based methods were used to measure cell concentration and viability, a traditional CFU-F assay was used to evaluate in vitro behavior indicative of a connective tissue progenitor cell phenotype often referred to as mesenchymal stem/stromal cells, and quantitative immunoassay arrays were used to measure a combination of cytokines and growth factors. Bone marrow concentrate (BMC) and plasma derived from the blood and bone marrow of middle-aged individuals served as comparative controls for cell culture and protein analyses, respectively. RESULTS Viable cells were identified within all 5 UC allograft products, with those derived from UCB having greater percentages of living cells (40%-59%) than those from UCT (1%-22%). Compared with autologous BMC (>95% viability and >300 million living cells), no CFU-Fs were observed within any UC allograft product (<15 million living cells). Moreover, a substantial number of proteins, particularly those within UCB allograft products, were undetectable or present at lower concentrations compared with blood and bone marrow plasma controls. Interestingly, several important growth factors and cytokines, including basic fibroblast growth factor, hepatocyte growth factor, interleukin-1 receptor antagonist, and osteoprotegerin, were most prevalent in 1 or more UCT allograft products as compared with blood and bone marrow plasma. CONCLUSION CFU-Fs, often referred to as stem cells, were not found within any of the commercial UC allograft products analyzed, and clinicians should remain wary of marketing claims stating otherwise. CLINICAL RELEVANCE Any therapeutic benefit of current UC allograft products in orthopaedic medicine is more likely to be attributed to their protein composition (UCT > UCB) or inclusion of cells without colony forming potential (UCB > UCT).
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Affiliation(s)
- Dustin R Berger
- Research and Development, Regenexx, LLC, Broomfield, Colorado, USA
| | - Christopher J Centeno
- Research and Development, Regenexx, LLC, Broomfield, Colorado, USA
- Centeno-Schultz Clinic, Broomfield, Colorado, USA
| | - John D Kisiday
- Orthopaedic Research Center, C. Wayne McIlwraith Translational Medicine Institute, Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, USA
| | - C Wayne McIlwraith
- Orthopaedic Research Center, C. Wayne McIlwraith Translational Medicine Institute, Department of Clinical Sciences, Colorado State University, Fort Collins, Colorado, USA
- Department of Clinical Sciences, College of Veterinary Medicine and Biomedical Science, Colorado State University, Fort Collins, Colorado, USA
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Lange-Consiglio A, Garlappi R, Spelta C, Idda A, Comazzi S, Rizzi R, Cremonesi F. Physiological Parameters to Identify Suitable Blood Donor Cows for Preparation of Platelet Rich Plasma. Animals (Basel) 2021; 11:ani11082296. [PMID: 34438754 PMCID: PMC8388386 DOI: 10.3390/ani11082296] [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: 06/24/2021] [Revised: 07/30/2021] [Accepted: 07/30/2021] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Platelet rich plasma is a biological product obtained from blood and used for regenerative treatments of different pathologies. It is characterized by a high concentration of platelets (at least 3 times the physiological level) containing many growth factors with anti-inflammatory, bactericidal and regenerative properties. In human medicine, PRP is used in an autologous way, it means that the blood donor is also the recipient. In veterinary medicine, PRP is used to treat different diseases or lesions and in bovine species to treat mastitis. In this context, the opportunity to have PRP ready to use, stored from donor cows of the same farm where it will be used, would be very useful in treating this pathology immediately when it occurs. For this purpose, the present research aimed to detect parameters useful to identify the most suitable cows to be used as blood donors to obtain the highest yield of PRP (milliliters of PRP obtained with respect to milliliters of initial blood). Our results showed that blood collection from the mammary vein within three months of parturition, from nonpregnant cows at 5 years of age, but not the blood collection season, were associated with a high yield of PRP. Abstract Platelet rich plasma (PRP) has been shown to be beneficial in the treatment of bovine mastitis, with an action comparable to that of antibiotics. Autologous treatment is feasible in experimental conditions but is difficult to apply in field conditions, particularly in acute mastitis. The ideal scenario would be to have heterologous PRP stored on every farm so that it is readily available when needed. In this paper, we analysed data collected during bovine mastitis treatment with heterologous PRP produced by casual donor cows on several farms. We tried to identify parameters which might be useful to identify the most suitable cows to be used as blood donors, to obtain the highest yield of PRP. Variables considered for each animal were the age, the parity, the date of the last parturition, the season of blood collection, the site of blood collection (jugular or mammary vein) and the reproductive status e.g., pregnant or not pregnant. There were statistically significant differences for all the variables considered from the 135 blood cows, except for the blood collection season. The highest yield of PRP was associated with nonpregnancy blood collection within three months of parturition, parity 3 or 4, and blood collection from the mammary vein.
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Affiliation(s)
- Anna Lange-Consiglio
- Department of Veterinary Medicine, Università degli Studi di Milano, 26900 Lodi, Italy; (A.I.); (S.C.); (R.R.); (F.C.)
- Correspondence:
| | | | | | - Antonella Idda
- Department of Veterinary Medicine, Università degli Studi di Milano, 26900 Lodi, Italy; (A.I.); (S.C.); (R.R.); (F.C.)
| | - Stefano Comazzi
- Department of Veterinary Medicine, Università degli Studi di Milano, 26900 Lodi, Italy; (A.I.); (S.C.); (R.R.); (F.C.)
| | - Rita Rizzi
- Department of Veterinary Medicine, Università degli Studi di Milano, 26900 Lodi, Italy; (A.I.); (S.C.); (R.R.); (F.C.)
| | - Fausto Cremonesi
- Department of Veterinary Medicine, Università degli Studi di Milano, 26900 Lodi, Italy; (A.I.); (S.C.); (R.R.); (F.C.)
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da Fonseca L, Santos GS, Huber SC, Setti TM, Setti T, Lana JF. Human platelet lysate - A potent (and overlooked) orthobiologic. J Clin Orthop Trauma 2021; 21:101534. [PMID: 34386346 PMCID: PMC8339333 DOI: 10.1016/j.jcot.2021.101534] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/25/2021] [Accepted: 07/25/2021] [Indexed: 01/03/2023] Open
Abstract
The knowledge of the essential role of platelets in tissue healing is gradually increasing and as regenerative medicine prompts new solutions, platelet-derived bioproducts have been proposed as a potential tool in this field. In orthopaedics and sports medicine, the use of PRP has been rapidly increasing in popularity as patients seek novel non-surgical approaches to acute and chronic musculoskeletal conditions. The concept of having platelets as a secretory organ other than a mere sponge-like coagulation component opens up new frontiers for the use of the platelet secretome. Platelet lysate is a solution saturated by growth factors, proteins, cytokines, and chemokines involved in crucial healing processes and is administered to treat different diseases such as alopecia, oral mucositis, radicular pain, osteoarthritis, and cartilage and tendon disorders. For this purpose, the abundant presence of growth factors and chemokines stored in platelet granules can be naturally released by different strategies, mostly through lyophilization, thrombin activation or ultrasound baths (ultrasonication). As a result, human platelet lysate can be produced and applied as a pure orthobiologic. This review outlines the current knowledge about human platelet lysate as a powerful adjuvant in the orthobiological use for the treatment of musculoskeletal injuries, without however failing to raise some of its most applicable basic science.
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Affiliation(s)
- Lucas da Fonseca
- Orthopaedic Department – UNIFESP/EPM, 715 Napoleão de Barros St – Vila Clementino, 04024-002, São Paulo, SP, Brazil
| | - Gabriel Silva Santos
- IOC – Instituto Do Osso e da Cartilagem/the Bone and Cartilage Institute, 1386 Presidente Kennedy Avenue – Cidade Nova I, 13334-170, Indaiatuba, SP, Brazil,Corresponding author. IOC – Instituto do Osso e da Cartilagem/The Bone and Cartilage Institute, 1386 Presidente Kennedy Avenue – 2nd floor, Room #29, Indaiatuba, São Paulo, 13334-170, Brazil. Tel.: +551930174366, +5519989283863.
| | - Stephany Cares Huber
- IOC – Instituto Do Osso e da Cartilagem/the Bone and Cartilage Institute, 1386 Presidente Kennedy Avenue – Cidade Nova I, 13334-170, Indaiatuba, SP, Brazil
| | - Taís Mazzini Setti
- Indolor - Centro Intervencionista de Controle da Dor, 583 Sul Brasil Avenue – Room #406 – Centro, 89814-210, Maravilha, SC, Brazil
| | - Thiago Setti
- Indolor - Centro Intervencionista de Controle da Dor, 583 Sul Brasil Avenue – Room #406 – Centro, 89814-210, Maravilha, SC, Brazil
| | - José Fábio Lana
- IOC – Instituto Do Osso e da Cartilagem/the Bone and Cartilage Institute, 1386 Presidente Kennedy Avenue – Cidade Nova I, 13334-170, Indaiatuba, SP, Brazil
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Abstract
Platelets play a crucial role in hemostasis, tissue regeneration and host defense. Based on these settings, platelet-rich plasma (PRP) and its derivatives are therapeutically used to promote wound healing in several scenarios. This review summarizes the biological mechanisms underlying the most traditional as well as innovative applications of PRP in wound healing. These mechanisms involve the combined action of platelet-derived growth factors and cytokines, together with the role of plasma-derived fibrillar, antioxidant and homeostatic factors. In addition, regenerative treatments with PRP consist of personalized and non-standardized methods. Thus, the quality of PRP varies depending on endogenous factors (e.g., age; gender; concomitant medication; disease-associated systemic factors; nutrition) and exogenous factors (anticoagulants and cellular composition). This review also analyses whether these factors affect the biological mechanisms of PRP in wound healing applications.
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Affiliation(s)
- Paula Oneto
- Laboratory of Experimental Thrombosis, Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
| | - Julia Etulain
- Laboratory of Experimental Thrombosis, Institute of Experimental Medicine-CONICET, National Academy of Medicine, Buenos Aires, Argentina
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20
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Barro L, Burnouf PA, Chou ML, Nebie O, Wu YW, Chen MS, Radosevic M, Knutson F, Burnouf T. Human platelet lysates for human cell propagation. Platelets 2020; 32:152-162. [PMID: 33251940 DOI: 10.1080/09537104.2020.1849602] [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: 12/12/2022]
Abstract
A pathogen-free and standardized xeno-free supplement of growth media is required for the ex vivo propagation of human cells used as advanced therapeutic medicinal products and for clinical translation in regenerative medicine and cell therapies. Human platelet lysate (HPL) made from therapeutic-grade platelet concentrate (PC) is increasingly regarded as being an efficient xeno-free alternative growth medium supplement to fetal bovine serum (FBS) for clinical-grade isolation and/or propagation of human cells. Most experimental studies establishing the superiority of HPL over FBS were conducted using mesenchymal stromal cells (MSCs) from bone marrow or adipose tissues. Data almost unanimously concur that MSCs expanded in a media supplemented with HPL have improved proliferation, shorter doubling times, and preserved clonogenicity, immunophenotype, in vitro trilineage differentiation capacity, and T-cell immunosuppressive activity. HPL can also be substituted for FBS when propagating MSCs from various other tissue sources, including Wharton jelly, the umbilical cord, amniotic fluid, dental pulp, periodontal ligaments, and apical papillae. Interestingly, HPL xeno-free supplementation is also proving successful for expanding human-differentiated cells, including chondrocytes, corneal endothelium and corneal epithelium cells, and tenocytes, for transplantation and tissue-engineering applications. In addition, the most recent developments suggest the possibility of successfully expanding immune cells such as macrophages, dendritic cells, and chimeric antigen receptor-T cells in HPL, further broadening its use as a growth medium supplement. Therefore, strong scientific rationale supports the use of HPL as a universal growth medium supplement for isolating and propagating therapeutic human cells for transplantation and tissue engineering. Efforts are underway to ensure optimal standardization and pathogen safety of HPL to secure its reliability for clinical-grade cell-therapy and regenerative medicine products and tissue engineering.
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Affiliation(s)
- Lassina Barro
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering,Taipei Medical University, Taipei, Taiwan
| | - Pierre-Alain Burnouf
- Technological Intelligence Department, Human Protein Process Sciences, Lille, France
| | - Ming-Li Chou
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,INSERM UMRS 938, CdR Saint-Antoine, Laboratory Immune System, Neuroinflammation and Neurodegenerative Diseases, Saint-Antoine Hospital, Paris, France
| | - Ouada Nebie
- 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
| | - Ming-Sheng Chen
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Miryana Radosevic
- Technological Intelligence Department, Human Protein Process Sciences, Lille, France
| | - Folke Knutson
- Clinical Immunology and Transfusion Medicine IGP, Uppsala University, Uppsala, Sweden
| | - Thierry Burnouf
- International PhD Program in Biomedical Engineering, College of Biomedical Engineering,Taipei Medical University, Taipei, Taiwan.,Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan.,International PhD Program in Cell Therapy and Regeneration Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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21
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Straum OK. The optimal platelet concentration in platelet-rich plasma for proliferation of human cells in vitro-diversity, biases, and possible basic experimental principles for further research in the field: A review. PeerJ 2020; 8:e10303. [PMID: 33240635 PMCID: PMC7668201 DOI: 10.7717/peerj.10303] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Accepted: 10/14/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND In the last decades, several in vitro studies have tested the effect of plate-rich plasma (PRP) on the proliferation of human cells in search of a wizard for the use of PRP in a clinical setting. However, the literature displays striking differences regarding this question despite the relatively similar experimental design. The aim of this review is twofold: describe and explain this diversity and suggest basic principles for further in vitro studies in the field. The optimal platelet concentration in vivo will also be discussed. METHODS A search in mainly EMBASE and PubMed was performed to identify in vitro studies that investigate the effect of different PRP concentrations on human cell proliferation. The assessment of bias was based on the principles of "Good Cell Culture Practice" and adapted. RESULTS In total, 965 in vitro studies were detected. After the initial screening, 31 studies remained for full-text screening. A total of 16 studies met the criteria of final inclusion and appeared relatively sound. In general, the studies state consistently that PRP stimulates the proliferation of the human cell. Two main types of experimental techniques were detected: 1. The Fixed PRP Concentration Group using a fixed PRP concentration throughout the experiment, which leads to a substantial decrease in nutrition available at higher concentrations. 2. The Fixed PRP Volume Group using a fixed PRP-to-media ratio (Vol/Vol) throughout the experiment. A general tendency was observed in both groups: when the PRP to media ratio increased (Vol/Vol), the proliferation rate decreased. Further, The Low Leukocyte group observed a substantial higher optimal PRP concentration than The High leukocyte group. No prominent tendencies was seen regarding anticoagulants, activation methods, and blood donor (age or sex). DISCUSSION Two major biases regarding optimal proliferation in vitro is pointed out: 1. Too high PRP volume. It is speculated that the techniques used by some studies led to an adverse growth condition and even cell starvation at higher concentrations. 2. High leukocyte levels. Reduced proliferation rate due to proinflammatory substances released during degranulation of leukocytes. CONCLUSIONS The two main biases may explain the bell-shaped effect of PRP and the detrimental effects at higher platelet concentrations observed in several studies. These biases may also explain the low optimal PRP concentration observed in some studies. Even if one universal optimal PRP concentration does not exist, the review indicates that PRP concentrations in the upper parts of the scale is optimal or at least beneficial. Finally, following basic experimental principles are suggested. 1: The PRP/media ratio (Vol/Vol) should be kept as constant. 2: The PRP/media ratio should provide a sufficient nutrition supply, that is, PRP ≤ 10% (Vol/Vol). 3: The cell density per well (cells/mL) should be defined. 4: Leukocyte level should be kept low, preferable depleted (< 0.1 PLT/µL).
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Affiliation(s)
- Olav K. Straum
- Faculty of Humanities, Social Sciences, and Education, UiT The Arctic University of Norway, Tromsø, Norway
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22
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Antich-Rosselló M, Forteza-Genestra MA, Calvo J, Gayà A, Monjo M, Ramis JM. Platelet-derived extracellular vesicles promote osteoinduction of mesenchymal stromal cells. Bone Joint Res 2020; 9:667-674. [PMID: 33101656 PMCID: PMC7563034 DOI: 10.1302/2046-3758.910.bjr-2020-0111.r2] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Aims Platelet concentrates, like platelet-rich plasma (PRP) and platelet lysate (PL), are widely used in regenerative medicine, especially in bone regeneration. However, the lack of standard procedures and controls leads to high variability in the obtained results, limiting their regular clinical use. Here, we propose the use of platelet-derived extracellular vesicles (EVs) as an off-the-shelf alternative for PRP and PL for bone regeneration. In this article, we evaluate the effect of PL-derived EVs on the biocompatibility and differentiation of mesenchymal stromal cells (MSCs). Methods EVs were obtained first by ultracentrifugation (UC) and then by size exclusion chromatography (SEC) from non-activated PL. EVs were characterized by transmission electron microscopy, nanoparticle tracking analysis, and the expression of CD9 and CD63 markers by western blot. The effect of the obtained EVs on osteoinduction was evaluated in vitro on human umbilical cord MSCs by messenger RNA (mRNA) expression analysis of bone markers, alkaline phosphatase activity (ALP), and calcium (Ca2+) content. Results Osteogenic differentiation of MSCs was confirmed when treated with UC-isolated EVs. In order to disprove that the effect was due to co-isolated proteins, EVs were isolated by SEC. Purer EVs were obtained and proved to maintain the differentiation effect on MSCs and showed a dose-dependent response. Conclusion PL-derived EVs present an osteogenic capability comparable to PL treatments, emerging as an alternative able to overcome PL and PRP limitations. Cite this article: Bone Joint Res 2020;9(10):667–674.
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Affiliation(s)
- Miquel Antich-Rosselló
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Maria Antònia Forteza-Genestra
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain
| | - Javier Calvo
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.,Fundació Banc de Sang i Teixits de les Illes Balears (FBSTIB), Palma, Spain
| | - Antoni Gayà
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.,Fundació Banc de Sang i Teixits de les Illes Balears (FBSTIB), Palma, Spain
| | - Marta Monjo
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.,Departament de Biologia Fonamental i Ciències de la Salut, University of the Balearic Islands, Palma, Spain
| | - Joana M Ramis
- Cell Therapy and Tissue Engineering Group, Research Institute on Health Sciences (IUNICS), University of the Balearic Islands, Palma, Spain.,Health Research Institute of the Balearic Islands (IdISBa), Palma, Spain.,Departament de Biologia Fonamental i Ciències de la Salut, University of the Balearic Islands, Palma, Spain
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Systematic Review-The Potential Implications of Different Platelet-Rich Plasma (PRP) Concentrations in Regenerative Medicine for Tissue Repair. Int J Mol Sci 2020; 21:ijms21165702. [PMID: 32784862 PMCID: PMC7460839 DOI: 10.3390/ijms21165702] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 12/11/2022] Open
Abstract
The number of studies evaluating platelet-rich plasma (PRP) concentration has substantially grown in the last fifteen years. A systematic review on this field has been realized by evaluating in the identified studies the in vitro PRP concentration—also analyzing the platelet amount—and the in vivo PRP effects in tissue regeneration compared to any control. The protocol has been developed in agreement with the Preferred Reporting for Items for Systematic Reviews and Meta-Analyses-Protocols (PRISMA-P) guidelines. Multistep research of the PubMed, MEDLINE, Embase, PreMEDLINE, Ebase, CINAHL, PsycINFO, Clinicaltrials.gov, Scopus database and Cochrane databases has permitted to identify articles on different concentrations of PRP in vitro and related in vivo impact for tissue repair. Of the 965 articles initially identified, 30 articles focusing on PRP concentration have been selected and, consequently, only 15 articles have been analyzed. In total, 40% (n = 6) of the studies were related to the fixed PRP Concentration Group used a fixed PRP concentration and altered the platelet concentration by adding the different volumes of the PRP (lysate) to the culture. This technique led to a substantial decrease in nutrition available at higher concentrations. Sixty percent (n = 9) of the studies were related to the fixed PRP Volume Group that used a fixed PRP-to-media ratio (Vol/Vol) throughout the experiment and altered the concentration within the PRP volume. For both groups, when the volume of medium (nutrition) decreases, a lower rate of cell proliferation is observed. A PRP concentration of 1.0 × 106 plt/μL, appears to be optimal thanks to the constant and plentiful capillary nutrition supply and rapid diffusion of growth factors that happen in vivo and it also respects the blood decree-law. The PRP/media ratio should provide a sufficient nutrition supply to prevent cellular starvation, that is, PRP ≤ 10% (Vol/Vol) and thus best mimic the conditions in vivo.
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Li J, Liu ZP, Xu C, Guo A. TGF-β1-containing exosomes derived from bone marrow mesenchymal stem cells promote proliferation, migration and fibrotic activity in rotator cuff tenocytes. Regen Ther 2020; 15:70-76. [PMID: 33426204 PMCID: PMC7770343 DOI: 10.1016/j.reth.2020.07.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/24/2020] [Accepted: 07/01/2020] [Indexed: 12/16/2022] Open
Abstract
Objective This study aimed to investigate effects of TGF-β1-containing exosomes derived from bone marrow mesenchymal stem cells (BMSC) on cell function of rotator cuff tenocytes and its implication to rotator cuff tear. Methods The primary BMSC and rotator cuff tenocytes were extracted and cultured. Identification of BMSC were performed by observing cell morphology and measurement of surface biomarkers by flow cytometry. BMSC-derived exosomes were extracted and identified by using electron microscopy, nanoparticle-tracking analysis (NTA) and western blotting. Cell proliferation and cell cycle were measured by CCK-8 assay and flow cytometry assay, respectively. Transwell assay was used for detection of tenocytes migration. The fibrotic activity of tenocytes was determined via qPCR and western blotting assays. Results BMSC and BMSC-derived exosomes were successfully extracted. Treatment of BMSC-derived exosomes or TGF-β1 promoted cell proliferation, migration and increased cell ratio of (S + G2/M) phases in tenocytes, as well as enhanced the expression levels of fibrotic activity associated proteins. However, inhibition of TGF-β1 by transfection of sh-TGF-β1 or treatment of TGFβR I/II inhibitor partially reversed the impact of BMSC-derived exosomes on tenocytes function. Conclusion Taken together, TGF-β1-containing exosomes derived from BMSC promoted proliferation, migration and fibrotic activity in rotator cuff tenocytes, providing a new direction for treatment of rotator cuff tendon healing.
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Key Words
- BMSC
- BMSC, Bone mesenchymal stem cells
- CCK8, Cell counting kit-8
- Col I, Collagen I
- Col III, Collagen III
- DMEM, Dulbecco's modified Eagle's medium
- Exosomes
- FBS, Fetal bovine serum
- Fibrotic activity
- Migration
- PVDF, Polyvinylidene fluoride
- Proliferation
- Rotator cuff tear
- SDS-PAGE, Sodium dodecyl sulfate polyacrylamide gel electrophoresis
- Scx, Scleraxis
- Smad7, Mothers against decapentaplegic homolog 7
- TGF-β1
- TGF-β1, Transforming growth factors β1
- TGF-βR I/II, Transforming growth factors β1 receptor type I/II
- Tnc, Tenascin C
- qPCR, Quantitative reverse-transcription polymerase chain reaction
- α-SMA, α-smooth muscle actin
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Affiliation(s)
- Jia Li
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, PR China.,Affiliated Hospital of Chengde Medical College, Chengde 067000, PR China
| | - Zheng-Peng Liu
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, PR China.,Affiliated Hospital of Chengde Medical College, Chengde 067000, PR China
| | - Cong Xu
- Affiliated Hospital of Chengde Medical College, Chengde 067000, PR China
| | - Ai Guo
- Department of Orthopedics, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, PR China
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Centeno CJ, Pastoriza SM. PAST, CURRENT AND FUTURE INTERVENTIONAL ORTHOBIOLOGICS TECHNIQUES AND HOW THEY RELATE TO REGENERATIVE REHABILITATION: A CLINICAL COMMENTARY. Int J Sports Phys Ther 2020; 15:301-325. [PMID: 32269863 PMCID: PMC7134348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023] Open
Abstract
UNLABELLED Interventional orthobiologics is changing the landscape of orthopedic medicine. Various methods exist for treatment of many different musculoskeletal pathologies. Candidacy for such injections remains a debated topic, and current research is underway for stratifying the patients that would be most successful for certain techniques. Described in this commentary are the various methods of interventional orthobiologic techniques available such as: prolotherapy, platelet rich plasma (PRP), mesenchymal stromal cells (MSCs), culture-expanded MSCs and amniotic-based products. Here we review the healing cascade and how this relates to the application of the various injectates and rehabilitation protocols. In conclusion, there exists orthobiologic techniques for the healing of a multitude of musculoskeletal ailments, from ligamentous instabilities/tears, tendon derangements and osteoarthritis, however candidacy grades continue to be an area for discussion as to which type of treatment is the most beneficial, and which rehabilitation protocols are required. More randomized controlled trials and comparative analyses are needed for direct correlative conclusions for which interventional orthobiologic treatment and rehabilitation protocol is best after each respective treatment. LEVEL OF EVIDENCE 5.
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