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Denbeigh JM, Hevesi M, Paggi CA, Resch ZT, Bagheri L, Mara K, Arani A, Zhang C, Larson AN, Saris DB, Krych AJ, van Wijnen AJ. Modernizing Storage Conditions for Fresh Osteochondral Allografts by Optimizing Viability at Physiologic Temperatures and Conditions. Cartilage 2021; 13:280S-292S. [PMID: 31777278 PMCID: PMC8808875 DOI: 10.1177/1947603519888798] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Objective. Osteochondral allograft (OCA) transplantation has demonstrated good long-term outcomes in treatment of cartilage defects. Viability, a key factor in clinical success, decreases with peri-implantation storage at 4°C during pathogen testing, matching logistics, and transportation. Modern, physiologic storage conditions may improve viability and enhance outcomes. Design. Osteochondral specimens from total knee arthroplasty patients (6 males, 5 females, age 56.4 ± 2.2 years) were stored in media and incubated at normoxia (21% O2) at 22°C or 37°C, and hypoxia (2% O2) at 37°C. Histology, live-dead staining, and quantitative polymerase chain reaction (qPCR) was performed 24 hours after harvest and following 7 days of incubation. Tissue architecture, cell viability, and gene expression were analyzed. Results. No significant viability or gene expression deterioration of cartilage was observed 1-week postincubation at 37°C, with or without hypoxia. Baseline viable cell density (VCD) was 94.0% ± 2.7% at day 1. At day 7, VCD was 95.1% (37°C) with normoxic storage and 92.2% (37°C) with hypoxic storage (P ≥ 0.27). Day 7 VCD (22°C) incubation was significantly lower than both the baseline and 37°C storage values (65.6%; P < 0.01). COL1A1, COL1A2, and ACAN qPCR expression was unchanged from baseline (P < 0.05) for all storage conditions at day 7, while CD163 expression, indicative of inflammatory macrophages and monocytes, was significantly lower in the 37°C groups (P < 0.01). Conclusion. Physiologic storage at 37°C demonstrates improved chondrocyte viability and metabolism, and maintained collagen expression compared with storage at 22°C. These novel findings guide development of a method to optimize short-term fresh OCA storage, which may lead to improved clinical results.
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Affiliation(s)
| | - Mario Hevesi
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Carlo A. Paggi
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Zachary T. Resch
- Center for Regenerative Medicine, Mayo
Clinic, Rochester, MN, USA
| | - Leila Bagheri
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Kristin Mara
- Department of Biomedical Statistics and
Informatics, Mayo Clinic, Rochester, MN, USA
| | - Arvin Arani
- Department of Radiology, Mayo Clinic,
Rochester, MN, USA
| | - Chenghao Zhang
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - A. Noelle Larson
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA
| | - Daniel B.F. Saris
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Department of Orthopedics, University
Medical Center Utrecht, Utrecht, Netherlands,Reconstructive Medicine, University of
Twente, Enschede, Netherlands
| | - Aaron J. Krych
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Sports Medicine Center, Mayo Clinic,
Rochester, MN, USA
| | - Andre J. van Wijnen
- Department of Orthopedic Surgery, Mayo
Clinic, Rochester, MN, USA,Andre J. van Wijnen PhD, Department of
Orthopedic Surgery, Mayo Clinic, 200 First Street SW, Rochester, MN 55905, USA.
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2
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Yasui Y, Dankert JF, Tonogai I, Mercer NP, Goodale MB, Fortier LA, Kennedy JG. The Effect of Single vs Serial Platelet-Rich Plasma Injections in Osteochondral Lesions Treated With Microfracture: An In Vivo Rabbit Model. Am J Sports Med 2021; 49:3876-3886. [PMID: 34710335 DOI: 10.1177/03635465211052512] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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 Biological adjuvants are used after a musculoskeletal injury to improve healing, decrease inflammation, and restore joint homeostasis. Work on 1 such adjuvant, platelet-rich plasma (PRP), has suggested a positive effect when introduced during cartilage repair. However, it remains unknown whether healing osteochondral injuries benefit from serial PRP injections. PURPOSE To evaluate the effects of serial PRP injections versus a single PRP injection on reparative cartilaginous tissue, subchondral bone remodeling, and the expression of inflammatory cytokines in joint synovium. STUDY DESIGN Controlled laboratory study. METHODS A total of 48 New Zealand White rabbits were randomly assigned to receive 1 (1P), 2 (2P), or 3 (3P) PRP injections. Cylindrical full-thickness cartilage defects (2.9 × 2.9 mm) with microdrillings (0.6-mm diameter) were created on the medial condyles of both knees. PRP was injected into the right knee after closure (groups 1P, 2P, and 3P), at 2 weeks after surgery (groups 2P and 3P), and at 4 weeks after surgery (group 3P). The left knees did not receive any PRP injections. A total of 6 rabbits in each group were euthanized at 3, 6, and 12 weeks postoperatively. Cartilage repair tissue was assessed using the Goebel macroscopic and modified International Cartilage Regeneration & Joint Preservation Society (ICRS) histological scoring systems. Subchondral bone remodeling was evaluated by micro-computed tomography analysis (micro-CT). Inflammatory cytokine levels were assessed by quantitative polymerase chain reaction. RESULTS No significant differences were found for the mean macroscopic score between the PRP groups at 12 weeks (control, 6.1 ± 3.3; group 1P, 3.4 ± 2.7; group 2P, 4.2 ± 2.9; group 3P, 0.7 ± 1.5). All PRP groups had a significantly higher mean modified ICRS histological score compared with the control group, but no significant difference was found among the PRP groups. No significant differences were seen in outcomes for the tested micro-CT parameters or cytokine expression levels. CONCLUSION Serial PRP injections conferred no apparent advantage over single injections according to evaluations of the macroscopic and histological appearance of the cartilaginous tissue, subchondral bone healing, and inflammatory cytokine expression levels in the synovium. CLINICAL RELEVANCE The use of PRP as a biological adjuvant to bone marrow stimulation for osteochondral lesions has the potential to enhance the quality of regenerative cartilaginous tissue. We recommend only a single PRP injection if the use of PRP is indicated by the operating surgeon as an adjuvant therapy for osteochondral lesions.
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Affiliation(s)
- Youichi Yasui
- Department of Orthopaedic Surgery, Teikyo University School of Medicine, Tokyo, Japan
| | - John F Dankert
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
| | | | - Nathaniel P Mercer
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
| | - Margaret B Goodale
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - Lisa A Fortier
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, New York, USA
| | - John G Kennedy
- Department of Orthopedic Surgery, NYU Langone Health, New York, New York, USA
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3
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Olmos Calvo I, Kuten-Pella O, Kramer K, Madár Á, Takács S, Kardos D, Simon D, Erdö-Bonyár S, Berki T, De Luna A, Nehrer S, Lacza Z. Optimization of Lyophilized Hyperacute Serum (HAS) as a Regenerative Therapeutic in Osteoarthritis. Int J Mol Sci 2021; 22:7496. [PMID: 34299123 PMCID: PMC8305834 DOI: 10.3390/ijms22147496] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 07/02/2021] [Accepted: 07/09/2021] [Indexed: 12/13/2022] Open
Abstract
Hyperacute serum (HAS) is a blood derivative product that promotes the proliferation of various cell types and controls inflammation in vitro. The aim of this study is to investigate the regenerative potential of different formulations of HAS, including lyophilized and hyaluronic acid combined versions, to obtain a stable and standardized therapeutic in osteoarthritis (OA), which may be able to overcome the variability limitations of platelet-rich plasma (PRP). Primary human osteoarthritic chondrocytes were used for testing cellular viability and gene expression of OA-related genes. Moreover, a co-culture of human explants of cartilage, bone and synovium under inflammatory conditions was used for investigating the inflammatory control capacities of the different therapeutics. In this study, one formulation of lyophilized HAS achieved the high cell viability rates of liquid HAS and PRP. Gene expression analysis showed that HAS induced higher Col1a1 expression than PRP. Cytokine quantification from supernatant fluids revealed that HAS treatment of inflamed co-cultures significantly reduced levels of IL-5, IL-15, IL-2, TNFα, IL-7 and IL-12. To conclude, lyophilized HAS is a stable and standardized therapeutic with high potential in joint regeneration.
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Affiliation(s)
- Isabel Olmos Calvo
- OrthoSera GmbH, Dr. Karl-Dorrek-Straße 23–29, 3500 Krems an der Donau, Austria; (O.K.-P.); (Á.M.); (S.T.)
| | - Olga Kuten-Pella
- OrthoSera GmbH, Dr. Karl-Dorrek-Straße 23–29, 3500 Krems an der Donau, Austria; (O.K.-P.); (Á.M.); (S.T.)
| | - Karina Kramer
- Center for Regenerative Medicine, Danube University of Krems, 3500 Krems an der Donau, Austria; (K.K.); (A.D.L.); (S.N.)
| | - Ágnes Madár
- OrthoSera GmbH, Dr. Karl-Dorrek-Straße 23–29, 3500 Krems an der Donau, Austria; (O.K.-P.); (Á.M.); (S.T.)
| | - Szilvia Takács
- OrthoSera GmbH, Dr. Karl-Dorrek-Straße 23–29, 3500 Krems an der Donau, Austria; (O.K.-P.); (Á.M.); (S.T.)
| | - Dorottya Kardos
- Research Center for Natural Sciences, 1117 Budapest, Hungary;
| | - Diána Simon
- Department of Immunology and Biotechnology, Medical School, University of Pécs, 7624 Pécs, Hungary; (D.S.); (S.E.-B.); (T.B.)
| | - Szabina Erdö-Bonyár
- Department of Immunology and Biotechnology, Medical School, University of Pécs, 7624 Pécs, Hungary; (D.S.); (S.E.-B.); (T.B.)
| | - Timea Berki
- Department of Immunology and Biotechnology, Medical School, University of Pécs, 7624 Pécs, Hungary; (D.S.); (S.E.-B.); (T.B.)
| | - Andrea De Luna
- Center for Regenerative Medicine, Danube University of Krems, 3500 Krems an der Donau, Austria; (K.K.); (A.D.L.); (S.N.)
| | - Stefan Nehrer
- Center for Regenerative Medicine, Danube University of Krems, 3500 Krems an der Donau, Austria; (K.K.); (A.D.L.); (S.N.)
| | - Zsombor Lacza
- Department of Sport Physiology, University of Physical Education, 1123 Budapest, Hungary;
- Institute of Translational Medicine, Semmelweis University, 1085 Budapest, Hungary
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4
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Suárez-Barrio C, Etxebarria J, Hernáez-Moya R, Del Val-Alonso M, Rodriguez-Astigarraga M, Urkaregi A, Freire V, Morales MC, Durán JA, Vicario M, Molina I, Herrero-Vanrell R, Andollo N. Hyaluronic Acid Combined with Serum Rich in Growth Factors in Corneal Epithelial Defects. Int J Mol Sci 2019; 20:ijms20071655. [PMID: 30987108 PMCID: PMC6480555 DOI: 10.3390/ijms20071655] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/29/2019] [Accepted: 03/30/2019] [Indexed: 12/30/2022] Open
Abstract
The aim of this study is to assess if an adhesive biopolymer, sodium hyaluronate (NaHA), has synergistic effects with s-PRGF (a serum derived from plasma rich in growth factors and a blood derivative that has already shown efficacy in corneal epithelial wound healing), to reduce time of healing or posology. In vitro proliferation and migration studies, both in human corneal epithelial (HCE) cells and in rabbit primary corneal epithelial (RPCE) cultures, were carried out. In addition, we performed studies of corneal wound healing in vivo in rabbits treated with s-PRGF, NaHA, or the combination of both. We performed immunohistochemistry techniques (CK3, CK15, Ki67, ß4 integrin, ZO-1, α-SMA) in rabbit corneas 7 and 30 days after a surgically induced epithelial defect. In vitro results show that the combination of NaHA and s-PRGF offers the worst proliferation rates in both HCE and RPCE cells. Addition of NaHA to s-PRGF diminishes the re-epithelializing capability of s-PRGF. In vivo, all treatments, given twice a day, showed equivalent efficacy in corneal epithelial healing. We conclude that the combined use of s-PRGF and HaNA as an adhesive biopolymer does not improve the efficacy of s-PRGF alone in the wound healing of corneal epithelial defects.
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Affiliation(s)
- Carlota Suárez-Barrio
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Jaime Etxebarria
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
- Department of Ophthalmology, University Hospital of Cruces, BioCruces Health Research Institute, Begiker, 48903 Barakaldo, Spain.
| | - Raquel Hernáez-Moya
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Marina Del Val-Alonso
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Maddalen Rodriguez-Astigarraga
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Arantza Urkaregi
- Department of Applied Mathematics and Statistics and Operational Research, BioCruces Health Research Institute, 48940 Leioa, Spain.
| | - Vanesa Freire
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
- R & D Department, Instituto Clínico-Quirúrgico de Oftalmología, 48006 Bilbao, Spain.
| | - María-Celia Morales
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Juan Antonio Durán
- R & D Department, Instituto Clínico-Quirúrgico de Oftalmología, 48006 Bilbao, Spain.
- Department of Dermatology, Otorhinolaryngology and Ophthalmology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
| | - Marta Vicario
- Pharmaceutical Innovation in Ophthalmology (InnOftal) UCM Research Group 920415. Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, 28040 Madrid, Spain.
| | - Irene Molina
- Pharmaceutical Innovation in Ophthalmology (InnOftal) UCM Research Group 920415. Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, 28040 Madrid, Spain.
| | - Rocío Herrero-Vanrell
- Pharmaceutical Innovation in Ophthalmology (InnOftal) UCM Research Group 920415. Department of Pharmaceutics and Food Technology, Faculty of Pharmacy, Complutense University, 28040 Madrid, Spain.
| | - Noelia Andollo
- Department of Cell Biology and Histology, School of Medicine and Nursing, University of the Basque Country, BioCruces Health Research Institute, Begiker, 48940 Leioa, Spain.
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Walter SG, Ossendorff R, Schildberg FA. Articular cartilage regeneration and tissue engineering models: a systematic review. Arch Orthop Trauma Surg 2019; 139:305-316. [PMID: 30382366 DOI: 10.1007/s00402-018-3057-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Cartilage regeneration and restoration is a major topic in orthopedic research as cartilaginous degeneration and damage is associated with osteoarthritis and joint destruction. This systematic review aims to summarize current research strategies in cartilage regeneration research. MATERIALS AND METHODS A Pubmed search for models investigating single-site cartilage defects as well as chondrogenesis was conducted and articles were evaluated for content by title and abstract. Finally, only manuscripts were included, which report new models or approaches of cartilage regeneration. RESULTS The search resulted in 2217 studies, 200 of which were eligible for inclusion in this review. The identified manuscripts consisted of a large spectrum of research approaches spanning from cell culture to tissue engineering and transplantation as well as sophisticated computational modeling. CONCLUSIONS In the past three decades, knowledge about articular cartilage and its defects has multiplied in clinical and experimental settings and the respective body of research literature has grown significantly. However, current strategies for articular cartilage repair have not yet succeeded to replicate the structure and function of innate articular cartilage, which makes it even more important to understand the current strategies and their impact. Therefore, the purpose of this review was to globally summarize experimental strategies investigating cartilage regeneration in vitro as well as in vivo. This will allow for better referencing when designing new models or strategies and potentially improve research translation from bench to bedside.
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Affiliation(s)
- Sebastian G Walter
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany
| | - Robert Ossendorff
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany
| | - Frank A Schildberg
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany.
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Hurley ET, Murawski CD, Paul J, Marangon A, Prado MP, Xu X, Hangody L, Kennedy JG, Adams SB, Andrews CL, Angthong C, Batista JP, Baur OL, Bayer S, Becher C, Berlet GC, Boakye LAT, Brown AJ, Buda R, Calder JD, Canata GL, Carreira DS, Clanton TO, Dahmen J, D’Hooghe P, DiGiovanni CW, Dombrowski ME, Drakos MC, Ferkel RD, Ferrao PNF, Fortier LA, Glazebrook M, Giza E, Gomaa M, Görtz S, Haleem AM, Hamid KS, Hannon CP, Haverkamp D, Hertel J, Hintermann B, Hogan MV, Hunt KJ, Karlsson J, Kearns SR, Kerkhoffs GMMJ, Kim HJ, Kong SW, Labib SA, Lambers KTA, Lee JW, Lee KB, Ling JS, Longo UG, McCollum G, Mitchell AW, Mittwede PN, Nehrer S, Niemeyer P, Nunley JA, O’Malley MJ, Osei-Hwedieh DO, Pearce CJ, Pereira H, Popchak A, Raikin SM, Reilingh ML, Rothrauff BB, Schon LC, Shimozono Y, Simpson H, Smyth NA, Sofka CM, Spennacchio P, Stone JW, Sullivan M, Takao M, Tanaka Y, Thordarson DB, Tuan R, Valderrabano V, van Bergen CJ, van Dijk CN, van Dijk PA, Vannini F, Vaseenon T, Walther M, Wiewiorski M, Yasui Y, Yinghui H, Yoshimura I, Younger ASE, Zhang Z. Osteochondral Autograft: Proceedings of the International Consensus Meeting on Cartilage Repair of the Ankle. Foot Ankle Int 2018; 39:28S-34S. [PMID: 30215309 DOI: 10.1177/1071100718781098] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
BACKGROUND Treatment guidelines for cartilage lesions of the talus have been based on both low quality and low levels of evidence. Therefore, an international consensus group of experts was convened to collaboratively advance toward consensus opinions on key topics regarding cartilage lesions of the talus. The purpose of this consensus article is to explain the process and delineate the consensus statements derived from this consensus meeting on the use of "osteochondral autograft" for osteochondral lesions of the talus. METHODS Seventy-five international experts in cartilage repair of the ankle representing 25 countries and 1 territory were convened and participated in a process based on the Delphi method of achieving consensus. Questions and statements were drafted within 11 working groups focusing on specific topics within cartilage repair of the ankle, after which a comprehensive literature review was performed and the available evidence for each statement was graded. Discussion and debate occurred in cases where statements were not agreed upon in unanimous fashion within the working groups. A final vote was then held, and the strength of consensus was characterized as follows: consensus, 51% to 74%; strong consensus, 75% to 99%; and unanimous, 100%. RESULTS A total of 14 statements on osteochondral autograft reached consensus during the 2017 International Consensus Meeting on Cartilage Repair of the Ankle. Two achieved unanimous support, 11 reached strong consensus (greater than 75% agreement), and 1 achieved consensus. All statements reached at least 67% agreement. CONCLUSIONS This international consensus derived from leaders in the field will assist clinicians with osteochondral autograft as a treatment strategy for osteochondral lesions of the talus.
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Affiliation(s)
- Eoghan T Hurley
- 1 Department of Orthopaedic Surgery, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Christopher D Murawski
- 2 Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Jochen Paul
- 3 Rennbahnklinik, Muttenz, Basel, Switzerland
| | | | - Marcelo P Prado
- 5 Orthopedics Department, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - Xiangyang Xu
- 6 Orthopaedic Department, Ruijin Hospital, Shanghai, China
| | - Laszlo Hangody
- 7 Orthopaedics and Trauma Department, Uzsoki Hospital, Budapest, Hungary.,8 Department of Traumatology, Semmelweis University, Budapest, Hungary
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7
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Hemmati-Sadeghi S, Ringe J, Dehne T, Haag R, Sittinger M. Hyaluronic Acid Influence on Normal and Osteoarthritic Tissue-Engineered Cartilage. Int J Mol Sci 2018; 19:ijms19051519. [PMID: 29783732 PMCID: PMC5983669 DOI: 10.3390/ijms19051519] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/08/2018] [Accepted: 05/15/2018] [Indexed: 12/27/2022] Open
Abstract
The aim of this study is to identify gene expression profiles associated with hyaluronic acid (HA) treatment of normal and osteoarthritis (OA)-like tissue-engineered cartilage. 3D cartilage micromasses were treated with tumour necrosis factor-α (TNF-α) (OA-inducer) and/or HA for 7 days. Viability was examined by PI/FDA staining. To document extracellular matrix (ECM) formation, glycosaminoglycans (GAG) were stained with Safranin-O and cartilage-specific type II collagen was detected immunohistochemically. Genome-wide gene expression was determined using microarray analysis. Normal and OA-like micromasses remained vital and showed a spherical morphology and homogenous cell distribution regardless of the treatment. There was no distinct difference in immunolabeling for type II collagen. Safranin-O staining demonstrated a typical depletion of GAG in TNF-α-treated micromasses (−73%), although the extent was limited in the presence of HA (−39%). The microarray data showed that HA can influence the cartilage metabolism via upregulation of TIMP3 in OA-like condition. The upregulation of VEGFA and ANKRD37 genes implies a supportive role of HA in cartilage maturation and survival. The results of this study validate the feasibility of the in vitro OA model for the investigation of HA. On the cellular level, no inhibiting or activating effect of HA was shown. Microarray data demonstrated a minor impact of HA on gene expression level.
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Affiliation(s)
- Shabnam Hemmati-Sadeghi
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Berlin-Brandenburg School for Regenerative Therapies, 10117 Berlin, Germany.
- Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany.
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Tissue Engineering Laboratory, Berlin-Brandenburg Center for Regenerative Therapies & Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany.
| | - Jochen Ringe
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Tissue Engineering Laboratory, Berlin-Brandenburg Center for Regenerative Therapies & Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany.
| | - Tilo Dehne
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Tissue Engineering Laboratory, Berlin-Brandenburg Center for Regenerative Therapies & Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany.
| | - Rainer Haag
- Institut für Chemie und Biochemie, Freie Universität Berlin, 14195 Berlin, Germany.
| | - Michael Sittinger
- Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin, Humboldt-Universität zu Berlin and Berlin Institute of Health, Tissue Engineering Laboratory, Berlin-Brandenburg Center for Regenerative Therapies & Department of Rheumatology and Clinical Immunology, 10117 Berlin, Germany.
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8
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Stoker AM, Stannard JP, Kuroki K, Bozynski CC, Pfeiffer FM, Cook JL. Validation of the Missouri Osteochondral Allograft Preservation System for the Maintenance of Osteochondral Allograft Quality During Prolonged Storage. Am J Sports Med 2018; 46:58-65. [PMID: 28937783 DOI: 10.1177/0363546517727516] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Fresh osteochondral allografts (OCAs) are limited in availability. The Missouri Osteochondral Allograft Preservation System (MOPS) has been reported to effectively preserve OCAs twice as long as current tissue bank protocols in preclinical studies. HYPOTHESIS The viable chondrocyte density (VCD) in OCAs preserved for up to 70 days using the MOPS will not be significantly different from day 0, and the VCD in MOPS-preserved OCAs will be significantly higher than for standard tissue bank preservation. Media changes during preservation will significantly improve the VCD. STUDY DESIGN Controlled laboratory study. METHODS Femoral condyles harvested from qualified donors (n = 12) were quartered (n = 48), assigned to 1 of 4 treatment groups (tissue bank protocol at 4°C or MOPS at 25°C, with or without media changes), and preserved for 0, 28, 56, or 70 days and assessed for the VCD and histopathological characteristics. In addition, osteochondral explants were created from the femoral condyles of 12 donors (n = 36 explants), assigned to the same groups and time points, and tested for biomechanical properties. RESULTS MOPS-preserved OCAs maintained the day 0 VCD through 56 days. OCAs stored using current tissue bank protocols had a significantly lower VCD compared with day 0 and the MOPS by day 28. OCA histological and biomechanical properties did not significantly change from day 0 for any group. CONCLUSION The MOPS preserved essential OCA viability and quality at significantly higher levels than current tissue bank protocols for at least 56 days after procurement. CLINICAL RELEVANCE Improving the viability and duration of OCA preservation provides potential benefits to tissue banks, donor families, surgeons, and patients with respect to tissue use, financial costs, and outcomes.
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Affiliation(s)
- Aaron M Stoker
- Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA
| | - James P Stannard
- Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA
| | - Keiichi Kuroki
- Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA
| | - Chantelle C Bozynski
- Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA
| | - Ferris M Pfeiffer
- Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA.,Department of Bioengineering, University of Missouri, Columbia, Missouri, USA
| | - James L Cook
- Department of Orthopaedic Surgery, Missouri Orthopaedic Institute, University of Missouri, Columbia, Missouri, USA.,Thompson Laboratory for Regenerative Orthopaedics, University of Missouri, Columbia, Missouri, USA
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