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Kaneguchi A, Kanehara M, Yamaoka K, Umehara T, Ozawa J. Effects of sex differences on osteoarthritic changes after anterior cruciate ligament reconstruction in rats. Acta Histochem 2024; 126:152172. [PMID: 38943867 DOI: 10.1016/j.acthis.2024.152172] [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: 12/04/2023] [Revised: 06/20/2024] [Accepted: 06/20/2024] [Indexed: 07/01/2024]
Abstract
The prevalence of primary osteoarthritis is higher in females than males. However, it remains unclear if there are sex differences in the incidence of post-traumatic osteoarthritis after anterior cruciate ligament (ACL) reconstruction. In this study, we aimed to investigate the effects of sex on osteoarthritic changes after ACL reconstruction using an animal model. Rats were divided into the following four groups: male control, male ACL reconstruction, female control, and female ACL reconstruction. ACL reconstruction surgery was performed on the right knees of rats in the ACL reconstruction groups, while rats in the control groups did not undergo knee surgery. At 1, 4, and 12 weeks after surgery, cartilage degeneration in the medial tibial plateau and osteophyte formation in the proximal tibia were histologically assessed. After ACL reconstruction, an increase in the Mankin score, cartilage fissures, and osteophyte formation were detected within 12 weeks in both male and female rats, with similar degrees of these changes between males and females. However, changes in cartilage thickness and chondrocyte density after ACL reconstruction differed between males and females. Cartilage thickening was observed in male rats but not in female rats. The increase in chondrocyte density in the anterior region was detected in both males and females but was more pronounced in female rats. In conclusion, osteoarthritic changes were observed after ACL reconstruction in both male and female rats, but differences in changes in cartilage thickness and chondrocyte density were observed between males and females.
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Affiliation(s)
- Akinori Kaneguchi
- Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Kurose-Gakuendai 555-36, Higashi-Hiroshima, Hiroshima, Japan.
| | - Marina Kanehara
- Major in Medical Engineering and Technology, Graduate School of Medical Technology and Health Welfare Sciences, Hiroshima International University, Kurose-Gakuendai 555-36, Higashi-Hiroshima, Hiroshima, Japan
| | - Kaoru Yamaoka
- Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Kurose-Gakuendai 555-36, Higashi-Hiroshima, Hiroshima, Japan
| | - Takuya Umehara
- Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Kurose-Gakuendai 555-36, Higashi-Hiroshima, Hiroshima, Japan
| | - Junya Ozawa
- Department of Rehabilitation, Faculty of Rehabilitation, Hiroshima International University, Kurose-Gakuendai 555-36, Higashi-Hiroshima, Hiroshima, Japan
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Kurz B, Lange T, Voelker M, Hart ML, Rolauffs B. Articular Cartilage-From Basic Science Structural Imaging to Non-Invasive Clinical Quantitative Molecular Functional Information for AI Classification and Prediction. Int J Mol Sci 2023; 24:14974. [PMID: 37834422 PMCID: PMC10573252 DOI: 10.3390/ijms241914974] [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: 09/08/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
This review presents the changes that the imaging of articular cartilage has undergone throughout the last decades. It highlights that the expectation is no longer to image the structure and associated functions of articular cartilage but, instead, to devise methods for generating non-invasive, function-depicting images with quantitative information that is useful for detecting the early, pre-clinical stage of diseases such as primary or post-traumatic osteoarthritis (OA/PTOA). In this context, this review summarizes (a) the structure and function of articular cartilage as a molecular imaging target, (b) quantitative MRI for non-invasive assessment of articular cartilage composition, microstructure, and function with the current state of medical diagnostic imaging, (c), non-destructive imaging methods, (c) non-destructive quantitative articular cartilage live-imaging methods, (d) artificial intelligence (AI) classification of degeneration and prediction of OA progression, and (e) our contribution to this field, which is an AI-supported, non-destructive quantitative optical biopsy for early disease detection that operates on a digital tissue architectural fingerprint. Collectively, this review shows that articular cartilage imaging has undergone profound changes in the purpose and expectations for which cartilage imaging is used; the image is becoming an AI-usable biomarker with non-invasive quantitative functional information. This may aid in the development of translational diagnostic applications and preventive or early therapeutic interventions that are yet beyond our reach.
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Affiliation(s)
- Bodo Kurz
- Department of Anatomy, Christian-Albrechts-University, Otto-Hahn-Platz 8, 24118 Kiel, Germany
| | - Thomas Lange
- Medical Physics Department of Radiology, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany;
| | - Marita Voelker
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
| | - Melanie L. Hart
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
| | - Bernd Rolauffs
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
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Hsu GCY. A Novel Burn / Synovectomy Mouse Model for Temporomandibular Joint Osteoarthritis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.07.552340. [PMID: 37609135 PMCID: PMC10441340 DOI: 10.1101/2023.08.07.552340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Temporomandibular Disorders (TMDs) is present in 33% of the U.S. population. Currently available animal models do not faithfully simulate the native disease progression of TMJ OA. The initiation of TMJ OA requires both local trauma and systemic inflammation. In this study, we present a novel mouse model which reproduces these two conditions. This is achieved by a procedure involving both synovectomy (local trauma) and a distant burn injury (systemic inflammation). Its efficacy at inducing TMJ OA was assessed with histomorphology and radiographic evaluation at 1,3, and 9 weeks after the procedure. We found that burn/synovectomy mice demonstrated significantly more degenerative changes in TMJ than uninjured control mice or synovotomy mice. The observed histology in burn/synoectomy mice mimicked native TMJ OA disease progression in a faithful manner. This animal model is invaluable in future research of the mechanism and risk factors of TMJ OA.
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Abubakar AA, Ali AK, Ibrahim SM, Handool KO, Khan MS, Mustapha NM, Ibrahim TAT, Kaka U, Yusof LM. Roles of Sodium Hydrogen Exchanger (NHE1) and Anion Exchanger (AE2) across Chondrocytes Plasma Membrane during Longitudinal Bone Growth. MEMBRANES 2022; 12:membranes12070707. [PMID: 35877910 PMCID: PMC9321928 DOI: 10.3390/membranes12070707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/27/2022] [Accepted: 06/30/2022] [Indexed: 12/10/2022]
Abstract
Mammalian long bone growth occurs through endochondral ossification, majorly regulated by the controlled enlargement of chondrocytes at the growth plate (GP). This study aimed to investigate the roles of Na+/H+ (sodium hydrogen exchanger (NHE1)) and HCO3− (anion exchanger [AE2]) during longitudinal bone growth in mammals. Bones from P10 SpragueDawley rat pups were cultured exvivo in the presence or absence of NHE1 and AE2 inhibitors to determine their effect on long bone growth. Gross morphometry, histomorphometry, and immunohistochemistry were used to assess the bone growth. The results revealed that the culture of the bones in the presence of NHE1 and AE2 inhibitors reduces bone growth significantly (p < 0.05) by approximately 11%. The inhibitor significantly (p < 0.05) reduces bone growth velocity and the length of the hypertrophic chondrocyte zone without any effect on the total GP length. The total GP chondrocyte density was significantly (p < 0.05) reduced, but hypertrophic chondrocyte densities remained constant. NHE1 fluorescence signaling across the GP length was higher than AE2, and their localization was significantly (p < 0.05) inhibited at the hypertrophic chondrocytes zone. The GP lengthening was majorly driven by an increase in the overall GP chondrocyte and hypertrophic chondrocyte densities apart from the regulatory volume phenomenon. This may suggest that NHE1 and AE2 could have a regulatory role in long bone growth.
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Affiliation(s)
- Adamu Abdul Abubakar
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Veterinary Surgery and Radiology, Usmanu Danfodiyo University, Sokoto PMB 2346, Nigeria
| | - Ahmed Khalaf Ali
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Surgery and Theriogenology, College of Veterinary Medicine, University of Mosul, Mosul 00964, Iraq
| | - Sahar Mohammed Ibrahim
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Surgery and Theriogenology, College of Veterinary Medicine, University of Mosul, Mosul 00964, Iraq
| | - Kareem Obayes Handool
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
| | - Mohammad Shuaib Khan
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Faculty of Veterinary and Animal Science, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Noordin Mohamed Mustapha
- Department of Veterinary Pathology and Microbiology, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | | | - Ubedullah Kaka
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
| | - Loqman Mohamad Yusof
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Correspondence: ; Tel.: +60-192-590-571; Fax: +60-386-093-959
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Veronesi F, Fini M, Martini L, Berardinelli P, Russo V, Filardo G, Di Matteo B, Marcacci M, Kon E. In Vivo Model of Osteoarthritis to Compare Allogenic Amniotic Epithelial Stem Cells and Autologous Adipose Derived Cells. BIOLOGY 2022; 11:biology11050681. [PMID: 35625409 PMCID: PMC9138403 DOI: 10.3390/biology11050681] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/19/2022] [Accepted: 04/26/2022] [Indexed: 12/20/2022]
Abstract
Simple Summary An early resolution of osteoarthritis (OA), through minimally invasive orthobiological solutions, would be important to enable a return to daily and sport activities, and delay prosthesis solutions. No study has yet evaluated amniotic epithelial stem cells (AECs) in OA. They could be considered a valid alternative to adipose derived cells, expanded or concentrated, because they differentiate into three lineages and express mesenchymal and embryonic markers, without a tumorigenic phenotype. The innovative aspects of this study are the comparison of three injective orthobiological treatments, the in vivo use of AECs in OA, and the evaluation of structural and inflammatory fronts of OA for up to six months. Abstract The challenge of osteoarthritis (OA) is to find a minimally invasive orthobiological therapy to contrast OA progression, on inflammatory and structural fronts. The aim of the present study is to compare the effects of an intra-articular injection of three orthobiological treatments, autologous culture expanded adipose-derived mesenchymal stromal cells (ADSCs), autologous stromal vascular fraction (SVF) and allogenic culture expanded amniotic epithelial stem cells (AECs), in an animal model of OA. OA was induced in 24 sheep by bilateral lateral meniscectomy and, at 3 and 6 months post-treatment, the results were analyzed with macroscopy, histology, histomorphometry, and biochemistry. All the three treatments showed better results than control (injection of NaCl), but SVF and AECs showed superiority over ADSCs, because they induced higher cartilage regeneration and lower inflammation. SVF showed better results than AECs at 3 and 6 months. To conclude, SVF seems to be more favorable than the other biological options, because it is easily obtained and rapidly used after harvesting, with good healing potential. AECs cause no discomfort and could be also considered for the treatment of OA joints.
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Affiliation(s)
- Francesca Veronesi
- Complex Structure of Surgical Sciences and Technologies, IRCCS Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, 40136 Bologna, Italy; (F.V.); (M.F.)
| | - Milena Fini
- Complex Structure of Surgical Sciences and Technologies, IRCCS Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, 40136 Bologna, Italy; (F.V.); (M.F.)
| | - Lucia Martini
- Complex Structure of Surgical Sciences and Technologies, IRCCS Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, 40136 Bologna, Italy; (F.V.); (M.F.)
- Correspondence: ; Tel.: +39-0516366557
| | - Paolo Berardinelli
- Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy; (P.B.); (V.R.)
| | - Valentina Russo
- Faculty of Bioscience and Agro-Food and Environmental Technology, University of Teramo, Via Balzarini 1, 64100 Teramo, Italy; (P.B.); (V.R.)
| | - Giuseppe Filardo
- Applied and Translational Research (ATR) Center, IRCCS Istituto Ortopedico Rizzoli, Via Di Barbiano 1/10, 40136 Bologna, Italy;
| | - Berardo Di Matteo
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Milan, Italy; (B.D.M.); (M.M.); (E.K.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini n. 4, 20090 Milan, Italy
| | - Maurilio Marcacci
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Milan, Italy; (B.D.M.); (M.M.); (E.K.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini n. 4, 20090 Milan, Italy
| | - Elizaveta Kon
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089 Milan, Italy; (B.D.M.); (M.M.); (E.K.)
- Department of Biomedical Sciences, Humanitas University, Via Rita Levi Montalcini n. 4, 20090 Milan, Italy
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Hu W, Cai C, Li Y, Kang F, Chu T, Dong S. Farnesoid X receptor agonist attenuates subchondral bone osteoclast fusion and osteochondral pathologies of osteoarthritis via suppressing JNK1/2/NFATc1 pathway. FASEB J 2022; 36:e22243. [PMID: 35224782 DOI: 10.1096/fj.202101717r] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 02/04/2022] [Accepted: 02/17/2022] [Indexed: 11/11/2022]
Abstract
Osteoarthritis (OA) is a prevalent degenerative disease of the joint, featured by articular cartilage destruction and subchondral bone marrow lesions. Articular cartilage and subchondral bone constitute an osteochondral unit that guarantees joint homeostasis. During OA initiation, activated osteoclasts in subchondral bone ultimately result in impaired capacities of the subchondral bone in response to mechanical stress, followed by the degradation of overlying articular cartilage. Thus, targeting osteoclasts could be a potential therapeutic option for treating OA. Here, we observed that farnesoid X receptor (FXR) expression and osteoclast fusion and activity in subchondral bone were concomitantly changed during early-stage OA in the OA mouse model established by anterior cruciate ligament transection (ACLT). Then, we explored the therapeutic effects of FXR agonist GW4064 on the osteochondral pathologies in ACLT mice. We showed that GW4064 obviously ameliorated subchondral bone deterioration, associated with reduction in tartrate-resistant acid phosphatase (TRAP) positive multinuclear osteoclast number, as well as articular cartilage degradation, which were blocked by the treatment with FXR antagonist Guggulsterone. Mechanistically, GW4064 impeded osteoclastogenesis through inhibiting subchondral bone osteoclast fusion via suppressing c-Jun N-terminal kinase (JNK) 1/2/nuclear factor of activated T-cells 1 (NFATc1) pathway. Taken together, our results present evidence for the protective effects of GW4064 against OA by blunting osteoclast-mediated aberrant subchondral bone loss and subsequent cartilage deterioration. Therefore, GW4064 demonstrates the potential as an alternative therapeutic option against OA for further drug development.
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Affiliation(s)
- Wenhui Hu
- Department of Biomedical Materials Science, College of Biomedical Engineering, Third Military Medical University (Army Medical University), Chongqing, China
| | - Chenhui Cai
- Department of Orthopedics, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Yuheng Li
- Department of Biomedical Materials Science, College of Biomedical Engineering, Third Military Medical University (Army Medical University), Chongqing, China
| | - Fei Kang
- Department of Biomedical Materials Science, College of Biomedical Engineering, Third Military Medical University (Army Medical University), Chongqing, China
| | - Tongwei Chu
- Department of Orthopedics, Xinqiao Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Shiwu Dong
- Department of Biomedical Materials Science, College of Biomedical Engineering, Third Military Medical University (Army Medical University), Chongqing, China.,State Key Laboratory of Trauma, Burns and Combined Injury, Third Military Medical University (Army Medical University), Chongqing, China
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Glucosamine and Chondroitin Sulfate: Is There Any Scientific Evidence for Their Effectiveness as Disease-Modifying Drugs in Knee Osteoarthritis Preclinical Studies?-A Systematic Review from 2000 to 2021. Animals (Basel) 2021; 11:ani11061608. [PMID: 34072407 PMCID: PMC8228516 DOI: 10.3390/ani11061608] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 05/19/2021] [Accepted: 05/27/2021] [Indexed: 12/19/2022] Open
Abstract
Simple Summary Osteoarthritis is the most common progressive joint disease diagnosed in companion animals and its management continues to be a significant challenge. Nutraceuticals have been widely investigated over the years in the treatment of osteoarthritis and among them, glucosamine and chondroitin sulfate treatments are probably the most common therapies used in veterinary management. However, heterogeneous results were obtained among animal studies and the evidence of their efficacy is still controversial. Animal models have a crucial role in studying the histological changes and evaluating the therapy efficacy of different drugs. Consequently, we consider it may be of interest to evaluate the effectiveness of the most representative nutraceuticals in experimental animal studies of osteoarthritis. In this systematic review, we found a large inconsistency among the experimental protocols, but a positive cartilage response and biochemical modulation were observed in half of the evaluated articles, mainly associated with pre-emptive administrations and with some therapies’ combinations. Even though some of these results were promising, additional data are needed to draw solid conclusions, and further studies evaluating their efficacy in the long term and focusing on other synovial components may be needed to clarify their function. Abstract Glucosamine and chondroitin sulfate have been proposed due to their physiological and functional benefits in the management of osteoarthritis in companion animals. However, the scientific evidence for their use is still controversial. The purpose of this review was to critically elucidate the efficacy of these nutraceutical therapies in delaying the progression of osteoarthritis, evaluating their impact on the synovial knee joint tissues and biochemical markers in preclinical studies by systematically reviewing the last two decades of peer-reviewed publications on experimental osteoarthritis. Three databases (PubMed, Scopus and, Web of Science) were screened for eligible studies. Twenty-two articles were included in the review. Preclinical studies showed a great heterogeneity among the experimental designs and their outcomes. Generally, the evaluated nutraceuticals, alone or in combination, did not seem to prevent the subchondral bone changes, the synovial inflammation or the osteophyte formation. However, further experimental studies may be needed to evaluate their effect at those levels. Regarding the cartilage status and biomarkers, positive responses were identified in approximately half of the evaluated articles. Furthermore, beneficial effects were associated with the pre-emptive administrations, higher doses and, multimodality approaches with some combined therapies. However, additional studies in the long term and with good quality and systematic design are required.
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Fernández-Martín S, González-Cantalapiedra A, Permuy M, García-González M, López-Peña M, Muñoz F. Histomorphometric Quantitative Evaluation of Long-Term Risedronate Use in a Knee Osteoarthritis Rabbit Model. Front Vet Sci 2021; 8:669815. [PMID: 33969044 PMCID: PMC8100024 DOI: 10.3389/fvets.2021.669815] [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: 02/19/2021] [Accepted: 03/29/2021] [Indexed: 11/13/2022] Open
Abstract
Osteoarthritis (OA) treatment is a major orthopedic challenge given that there is no ideal drug capable to reverse or stop the progression of the OA. In that regard, bisphosphonates have been proposed as potential disease-modifying drugs due to their possible chondroprotective effect related to obtaining a greater subchondral bone quality. However, their effectiveness in OA is still controversial and additionally, there is little evidence focused on their long-term effect in preclinical studies. The aim of this study was to evaluate the risedronate quantitative effect on articular and subchondral periarticular bone by histomorphometry, in an experimental rabbit model in an advanced stage of OA. Twenty-four adult New Zealand rabbits were included in the study. OA was surgically induced in one randomly chosen knee, using the contralateral as healthy control. Animals were divided into three groups (n = 8): placebo control group, sham surgery group and risedronate-treated group. After 24 weeks of treatment, cartilage and subchondral femorotibial pathology was evaluated by micro-computed tomography (micro-CT) and undecalcified histology. The research results demonstrated that the experimental animal model induced osteoarthritic changes in the operated joints, showing an increased cartilage thickness and fibrillation associated with underlying subchondral bone thinning and decreased trabecular bone quality. These changes were especially highlighted in the medial tibial compartments as a possible response to surgical instability. Regarding the trabecular analysis, significant correlations were found between 2D histomorphometry and 3D imaging micro-CT for the trabecular bone volume, trabecular separation, and the trabecular number. However, these associations were not strongly correlated, obtaining more precise measurements in the micro-CT analysis. Concerning the long-term risedronate treatment, it did not seem to have the capacity to reduce the osteoarthritic hypertrophic cartilage response and failed to diminish the superficial cartilage damage or prevent the trabecular bone loss. This study provides novel information about the quantitative effect of long-term risedronate use on synovial joint tissues.
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Affiliation(s)
- Silvia Fernández-Martín
- Anatomy, Animal Production and Veterinary Clinical Sciences Department, Veterinary Faculty, Universidade de Santiago de Compostela, Lugo, Spain
| | - Antonio González-Cantalapiedra
- Anatomy, Animal Production and Veterinary Clinical Sciences Department, Veterinary Faculty, Universidade de Santiago de Compostela, Lugo, Spain.,Ibonelab S.L., Laboratory of Biomaterials, Lugo, Spain
| | - María Permuy
- Ibonelab S.L., Laboratory of Biomaterials, Lugo, Spain
| | - Mario García-González
- Anatomy, Animal Production and Veterinary Clinical Sciences Department, Veterinary Faculty, Universidade de Santiago de Compostela, Lugo, Spain
| | - Mónica López-Peña
- Anatomy, Animal Production and Veterinary Clinical Sciences Department, Veterinary Faculty, Universidade de Santiago de Compostela, Lugo, Spain.,Ibonelab S.L., Laboratory of Biomaterials, Lugo, Spain
| | - Fernando Muñoz
- Anatomy, Animal Production and Veterinary Clinical Sciences Department, Veterinary Faculty, Universidade de Santiago de Compostela, Lugo, Spain.,Ibonelab S.L., Laboratory of Biomaterials, Lugo, Spain
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9
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Armstrong AR, Carlson CS, Rendahl AK, Loeser RF. Optimization of histologic grading schemes in spontaneous and surgically-induced murine models of osteoarthritis. Osteoarthritis Cartilage 2021; 29:536-546. [PMID: 33561541 PMCID: PMC8038967 DOI: 10.1016/j.joca.2021.01.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 12/28/2020] [Accepted: 01/12/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To compare the Osteoarthritis Research Society International (OARSI) and Articular Cartilage Structure (ACS) grading schemes applied to multiple and single sections, along with additional histologic measures, in two mouse models of Osteoarthritis (OA). METHODS Six coronal histologic stifle joint sections were collected from 40 C57BL/6J mice, including aged mice with spontaneous OA (approximately 18 months of age; n = 15) and young (12-week-old) mice that either underwent destabilization of the medial meniscus (DMM) surgery (n = 15) or sham surgery (n = 10). Sections were evaluated with the standard OARSI (0-6) scheme, a modified OARSI scheme, the ACS (0-12) scheme, histomorphometry of cartilage and bone, and scoring of osteophytes (0-3) and synovial hyperplasia (0-3). Principal components analysis (PCA) was used to determine the features explaining the greatest variability among the sections. RESULTS The grading schemes performed similarly when applied to a single mid-coronal section or six total coronal sections per joint. OARSI grading produced similar results when applied to hematoxylin and eosin or toluidine blue-stained sections. Aged mice had higher severity scores in the LTP than DMM mice (mid-coronal OARSI grade aged = 2.3 and DMM = 1.1, p = 0.0006; ACS grade aged = 4.1 and DMM = 1.6, p = 0.0024). PCA resulted in retention of four factors that accounted for 78.4% of the total variance. Factor 1 (36.4%) included the OARSI grade, ACS grade, Toluidine blue grade, articular cartilage area and thickness and the osteophyte grade. CONCLUSIONS Grading of a single mid-coronal section using either the OARSI or ACS schemes combined with osteophyte and histomorphometric measures can consistently define OA severity in mice.
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Affiliation(s)
- A R Armstrong
- Department of Veterinary Clinical Sciences, University of Minnesota College of Veterinary Medicine, St. Paul, Minnesota, USA.
| | - C S Carlson
- Department of Veterinary Clinical Sciences, University of Minnesota College of Veterinary Medicine, St. Paul, Minnesota, USA.
| | - A K Rendahl
- Department of Veterinary and Biomedical Sciences, University of Minnesota College of Veterinary Medicine, St. Paul, Minnesota, USA.
| | - R F Loeser
- Division of Rheumatology, Allergy and Immunology and the Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, USA.
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10
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Brindo da Cruz IC, Velosa APP, Carrasco S, Dos Santos Filho A, Tomaz de Miranda J, Pompeu E, Fernandes TL, Bueno DF, Fanelli C, Goldenstein-Schainberg C, Fabro AT, Fuller R, Silva PL, Capelozzi VL, Teodoro WR. Post-Adipose-Derived Stem Cells (ADSC) Stimulated by Collagen Type V (Col V) Mitigate the Progression of Osteoarthritic Rabbit Articular Cartilage. Front Cell Dev Biol 2021; 9:606890. [PMID: 33829012 PMCID: PMC8019831 DOI: 10.3389/fcell.2021.606890] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 02/22/2021] [Indexed: 12/25/2022] Open
Abstract
Collagen is essential for cartilage adhesion and formation. In the present study, histology, immunofluorescence, morphometry, and qRT-PCR suggested that adipose-derived stem cells (ADSCs) stimulated by type V collagen (Col V) induce a significant increase of type II collagen (Col II) in the degenerative area of surgical-induced osteoarthritic rabbit articular cartilage (OA). In vitro, the effects of Col V on the proliferation and differentiation of ADSC were investigated. The expression of the cartilage-related genes Col2a1 and Acan was significantly upregulated and Pou5fl was downregulated post-ADSC/Col V treatment. Post-ADSC/Col V treatment, in vivo analyses revealed that rabbits showed typical signs of osteoarthritic articular cartilage regeneration by hematoxylin and eosin (H&E) and Safranin O/Fast Green staining. Immunohistochemical staining demonstrated that the volume of Col II fibers and the expression of Col II protein were significantly increased, and apoptosis Fas ligand positive significantly decreased post-ADSC/Col V treatment. In conclusion, the expression of Col II was higher in rabbits with surgical-induced osteoarthritic articular cartilage; hence, ADSC/Col V may be a promising therapeutic target for OA treatment.
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Affiliation(s)
- Isabele Camargo Brindo da Cruz
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Ana Paula Pereira Velosa
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Solange Carrasco
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Antonio Dos Santos Filho
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Jurandir Tomaz de Miranda
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Eduardo Pompeu
- Bioterism Center of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Tiago Lazzaretti Fernandes
- Sport Medicine Division, Faculdade de Medicina, Institute of Orthopaedics and Traumatology of the Hospital das Clinicas, Universidade de São Paulo, FMUSP, São Paulo, Brazil.,Hospital Sírio-Libanês, São Paulo, Brazil
| | | | - Camila Fanelli
- Laboratory of Cellular, Genetic and Molecular Nephrology, Renal Division, University of São Paulo, São Paulo, Brazil
| | - Cláudia Goldenstein-Schainberg
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Alexandre Todorovic Fabro
- Department of Pathology of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil.,Respiratory Medicine Laboratory, Department of Pathology and Legal Medicine, Ribeirão Preto Medical School, University of São Paulo (USP), São Paulo, Brazil
| | - Ricardo Fuller
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Pedro Leme Silva
- Laboratory of Pulmonary Investigation, Centro de Ciências da Saúde, Carlos Chagas Filho Biophysics Institute, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.,National Institute of Science and Technology for Regenerative Medicine, Rio de Janeiro, Brazil
| | - Vera Luiza Capelozzi
- Department of Pathology of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
| | - Walcy Rosolia Teodoro
- Rheumatology Division of the Hospital das Clinicas, Faculdade de Medicina, Universidade de São Paulo, FMUSP, São Paulo, Brazil
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11
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Fernández-Martín S, Permuy M, López-Peña M, Muñoz F, González-Cantalapiedra A. No Effect of Long-Term Risedronate Use on Cartilage and Subchondral Bone in an Experimental Rabbit Model of Osteoarthritis. Front Vet Sci 2020; 7:576212. [PMID: 33240955 PMCID: PMC7667022 DOI: 10.3389/fvets.2020.576212] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 10/05/2020] [Indexed: 12/13/2022] Open
Abstract
Osteoarthritis (OA) is the most prevalent degenerative joint disease in animals and humans. It is characterized by pain, articular cartilage damage and joint stiffness. It has been suggested that the status of the subchondral bone compartment plays an important role in the initiation and progression of OA. Bisphosphonates have been proposed as a potential disease-modifying treatment for OA, however their effectiveness is not yet clear. Twenty-four male adult New Zealand rabbits were used to evaluate the effects of risedronate on the subchondral bone quality and cartilage degradation in a long-term model of experimentally induced OA. Animals underwent an anterior cruciate ligament transection and partial medial meniscectomy or sham operation in only one knee, which was randomly chosen, using the contralateral as healthy control. Animals were divided into three groups (n = 8): untreated control group and sham surgery control group; both groups received only vehicle; and risedronate group, treated with 2.5 mg orally weekly for 24 weeks. Stifle joints were harvested and scanned using a high-resolution micro-CT to evaluate the subchondral plate and trabecular bone changes. The macroscopic evaluation and histological analysis were determined using an adapted Osteoarthritis Research Society International scoring scheme to assess the cartilage degeneration. The lateral and medial femoral condyle and tibial plateau were evaluated. Additionally, the histological synovial membrane assessment was carried out. Sample analysis showed that the experimental model induced osteoarthritic changes in the operated joints, whereas in sham-operated rabbits, almost no histological changes were observed on articular cartilage surfaces. In terms of macroscopic and histological analyses, risedronate-treated animals did not show improved cartilage health compared with untreated operated rabbits, but a slightly anti-inflammatory activity was observed in the synovial membrane. Risedronate administration showed a slight tendency to increase subchondral bone plate thickness in lateral compartments but, it did not show conservation of periarticular bone and was not be able to suppress the osteophyte formation. In conclusion, long-term risedronate use did not demonstrate a positive effect on reducing the cartilage damage, and failed to prevent the subchondral bone changes and osteophytogenesis in an experimental rabbit model of OA.
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Affiliation(s)
- Silvia Fernández-Martín
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | - María Permuy
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | - Mónica López-Peña
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | - Fernando Muñoz
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
| | - Antonio González-Cantalapiedra
- Department of Anatomy, Animal Production and Veterinary Clinical Sciences, Veterinary Faculty, Universidad de Santiago de Compostela, Lugo, Spain
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12
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Cunha JE, Barbosa GM, Castro PATDS, Luiz BLF, Silva ACA, Russo TL, Vasilceac FA, Cunha TM, Cunha FQ, Salvini TF. Knee osteoarthritis induces atrophy and neuromuscular junction remodeling in the quadriceps and tibialis anterior muscles of rats. Sci Rep 2019; 9:6366. [PMID: 31019213 PMCID: PMC6482306 DOI: 10.1038/s41598-019-42546-7] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Accepted: 04/01/2019] [Indexed: 12/21/2022] Open
Abstract
Knee osteoarthritis (KOA) is associated with muscle weakness, but it is unclear which structures are involved in the muscle changes. This study assessed morphological alterations and the expression of genes and proteins linked to muscular atrophy and neuromuscular junctions (NMJs) in KOA, induced by anterior cruciate ligament transection (ACLT) in rats. Two groups of rats were assessed: control (without intervention) and KOA (ACLT surgery in the right knee). After 8 weeks, quadriceps, tibialis anterior (TA) and gastrocnemius muscles were analyzed (area of muscle fibers, NMJ, gene and protein expression). KOA group showed atrophy in quadriceps (15.7%) and TA (33%), with an increase in atrogin-1 and muscle RING-finger protein-1 (MuRF-1). KOA group showed quadriceps NMJ remodeling (reduction area and perimeter) and decrease in NMJ diameter in TA muscle. The expression of nicotinic acetylcholine receptor (nAChR) γ-nAChR increased and that of α-nAChR and muscle specific tyrosine kinase (MuSK) declined in the quadriceps, with a decrease in ε-nAChR in TA. MuRF-1 protein expression increased in quadriceps and TA, with no changes in neural cell adhesion molecule (NCAM). In conclusion, ACLT-induced KOA promotes NMJ remodeling and atrophy in quadriceps and TA muscles, associated with inflammatory signs and changes in muscle gene and protein expression.
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Affiliation(s)
| | | | | | | | | | - Thiago Luiz Russo
- Physical Therapy Department, Federal University of São Carlos, São Carlos, SP, Brazil
| | | | - Thiago Mattar Cunha
- Pharmacology Department, University of São Paulo, Ribeirão Preto, SP, Brazil
| | | | - Tania Fátima Salvini
- Physical Therapy Department, Federal University of São Carlos, São Carlos, SP, Brazil.
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13
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Abubakar AA, Ibrahim SM, Ali AK, Handool KO, Khan MS, Noordin Mustapha M, Azmi Ibrahim T, Kaka U, Mohamad Yusof L. Postnatal ex vivo rat model for longitudinal bone growth investigations. Animal Model Exp Med 2019; 2:34-43. [PMID: 31016285 PMCID: PMC6431117 DOI: 10.1002/ame2.12051] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 11/20/2018] [Accepted: 12/05/2018] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Chondrocytes in the growth plate (GP) undergo increases in volume during different cascades of cell differentiation during longitudinal bone growth. The volume increase is reported to be the most significant variable in understanding the mechanism of long bone growth. METHODS Forty-five postnatal Sprague-Dawley rat pups, 7-15 days old were divided into nine age groups (P7-P15). Five pups were allocated to each group. The rats were sacrificed and tibia and metatarsal bones were harvested. Bone lengths were measured after 0, 24, 48, and 72 hours of ex vivo incubation. Histology of bones was carried out, and GP lengths and chondrocyte densities were determined. RESULTS There were significant differences in bone length among the age groups after 0 and 72 hours of incubation. Histological sectioning was possible in metatarsal bone from all age groups, and in tibia from 7- to 13-day-old rats. No significant differences in tibia and metatarsal GP lengths were seen among different age groups at 0 and 72 hours of incubation. Significant differences in chondrocyte densities along the epiphyseal GP of the bones between 0 and 72 hours of incubation were observed in most of the age groups. CONCLUSION Ex vivo growth of tibia and metatarsal bones of rats aged 7-15 days old is possible, with percentage growth rates of 23.87 ± 0.80% and 40.38 ± 0.95% measured in tibia and metatarsal bone, respectively. Histological sectioning of bones was carried out without the need for decalcification in P7-P13 tibia and P7-P15 metatarsal bone. Increases in chondrocyte density along the GP influence overall bone elongation.
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Affiliation(s)
- Adamu Abdul Abubakar
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
- Department of Veterinary Surgery and RadiologyUsmanu Danfodiyo UniversitySokotoNigeria
| | - Sahar Mohammed Ibrahim
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
- Department of Surgery and TheriogenologyCollege of Veterinary MedicineUniversity of MosulMosulIraq
| | - Ahmed Khalaf Ali
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
- Department of Surgery and TheriogenologyCollege of Veterinary MedicineUniversity of MosulMosulIraq
| | - Kareem Obayes Handool
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
| | - Mohammad Shuaib Khan
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
- Faculty of Veterinary and Animal ScienceGomal UniversityDera Ismail KhanPakistan
| | | | - Tengku Azmi Ibrahim
- Department of Pre‐Clinical Veterinary SciencesUniversiti Putra MalaysiaSerdangMalaysia
| | - Ubedullah Kaka
- Laboratory of Sustainable Animal Production and BiodiversityInstitute of Tropical Agriculture and Food SecurityUniversiti Putra MalaysiaSerdangMalaysia
| | - Loqman Mohamad Yusof
- Department of Companion Animal Medicine and SurgeryUniversiti Putra MalaysiaSerdangMalaysia
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14
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Chiou CS, Wu CM, Dubey NK, Lo WC, Tsai FC, Tung TDX, Hung WC, Hsu WC, Chen WH, Deng WP. Mechanistic insight into hyaluronic acid and platelet-rich plasma-mediated anti-inflammatory and anti-apoptotic activities in osteoarthritic mice. Aging (Albany NY) 2018; 10:4152-4165. [PMID: 30582743 PMCID: PMC6326674 DOI: 10.18632/aging.101713] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 12/06/2018] [Indexed: 12/17/2022]
Abstract
Osteoarthritis (OA) poses a major clinical challenges owing to limited regenerative ability of diseased or traumatized chondrocytes in articular cartilage. Previous studies have determined the individual therapeutic efficacies of hyaluronic acid (HA) and platelet-rich plasma (PRP) on OA; however, the underlying mechanism is still lacking. Therefore, we investigated mechanistic approach of HA+PRP therapy on chondrocyte apoptosis in IL-1β+TNF-α (I+T) treated in vitro OA model, in addition to in vivo anterior cruciate ligament transection-OA mice model. MTT assay showed an enhanced chondrocyte proliferation and viability in HA+PRP-treated group, compared to I+T, I+T/HA, I+T/PRP, I+T/HA+PRP groups. Further, HA+PRP also significantly suppressed ROS, apoptotic cleaved caspase-3 and PARP, p53 and p21 and MMP-1; whereas, cell cycle modulatory proteins including p-ERK, cyclin B1, D1, and E2 were upregulated. The sub-G1 population and TUNEL assay confirmed the higher abundance of healthy chondrocytes in HA+PRP group. A significantly decreased ARS staining in HA+PRP group was also noted, indicating reduced cartilaginous matrix mineralization compared to other groups. Conclusively, compared to HA or PRP, the combined HA+PRP might be a promising therapy for articular cartilage regeneration in osteoarthritic pathology, possibly via augmented anti-inflammatory, anti-oxidative chondrocyte proliferation and inhibited MMP-1 activity and matrix calcification.
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Affiliation(s)
- Chi-Sheng Chiou
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- Division of Allergy, Immunology and Rheumatology, Department of Internal Medicine, Taipei Medical University Hospital, Taipei, Taiwan
| | - Chi-Ming Wu
- Graduate Institute of Biomedical Materials and Tissue Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Navneet Kumar Dubey
- Ceramics and Biomaterials Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Wen-Cheng Lo
- School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei, Taiwan
| | - Feng-Chou Tsai
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - Tran Dang Xuan Tung
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- Stem Cells Center, Van Hanh General Hospital, Ho Chi Minh City, Vietnam
| | - Wei-Ching Hung
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taiwan
| | - Wei-Che Hsu
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taiwan
| | - Wei-Hong Chen
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taiwan
| | - Win-Ping Deng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taiwan
- Graduate Institute of Basic Medicine, Fu Jen Catholic University, Taipei, Taiwan
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15
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Tong L, Hao Z, Wan C, Wen S. Detection of depth-depend changes in porcine cartilage after wear test using Raman spectroscopy. JOURNAL OF BIOPHOTONICS 2018; 11:e201700217. [PMID: 29227045 DOI: 10.1002/jbio.201700217] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2017] [Revised: 11/05/2017] [Accepted: 12/07/2017] [Indexed: 06/07/2023]
Abstract
Cartilage damage and wear can lead to severe diseases, such as osteoarthritis, thus, many studies on the cartilage wear process have already been performed to better understand the cartilage wear mechanism. However, most characterization methods focus on the cartilage surface or the total wear extent. With the advantages of high spatial resolution and easy characterization, Raman microspectroscopy was employed for the first time to characterize full-depth changes in the cartilage extracellular matrix (ECM) after wear test. Sections from the cartilage samples after wear were compared with sections from the control group. Univariate and multivariate analyses both indicated that collagen content loss at certain depths (20%-30% relative to the cartilage surface) is possibly the dominating alteration during wear rather than changes in collagen fiber orientation or proteoglycan content. These findings are consistent with the observations obtained by scanning electron microscopy and histological staining. This study successfully used Raman microspectroscopy efficiently assess full-depth changes in cartilage ECM after wear test, thus providing new insight into cartilage damage and wear.
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Affiliation(s)
- Lingying Tong
- State Key Laboratory of Tribology, Tsinghua University, Beijing, China
| | - Zhixiu Hao
- State Key Laboratory of Tribology, Tsinghua University, Beijing, China
| | - Chao Wan
- State Key Laboratory of Tribology, Tsinghua University, Beijing, China
| | - Shizhu Wen
- State Key Laboratory of Tribology, Tsinghua University, Beijing, China
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16
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Contrast enhanced μCT imaging of early articular changes in a pre-clinical model of osteoarthritis. Osteoarthritis Cartilage 2018; 26:118-127. [PMID: 29107695 DOI: 10.1016/j.joca.2017.10.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 10/18/2017] [Accepted: 10/23/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE The objective of this study was to characterize early osteoarthritis (OA) development in cartilage and bone tissues in the rat medial meniscus transection (MMT) model using non-destructive equilibrium partitioning of an ionic contrast agent micro-computed tomography (EPIC-μCT) imaging. Cartilage fibrillation, one of the first physiological developments in OA, was quantified in the rat tibial plateau as three-dimensional (3D) cartilage surface roughness using a custom surface-rendering algorithm. METHODS Male Lewis rats underwent MMT or sham-operation in the left leg. At 1- and 3-weeks post-surgery, the animals (n = 7-8 per group) were euthanized and the left legs were scanned using EPIC-μCT imaging to quantify cartilage and bone parameters. In addition, a custom algorithm was developed to measure the roughness of 3D surfaces. This algorithm was validated and used to quantify cartilage surface roughness changes as a function of time post-surgery. RESULTS MMT surgery resulted in significantly greater cartilage damage and subchondral bone sclerosis with the damage increasing in both severity and area from 1- to 3-weeks post-surgery. Analysis of rendered 3D surfaces could accurately distinguish early changes in joints developing OA, detecting significant increases of 45% and 124% in surface roughness at 1- and 3-weeks post-surgery respectively. CONCLUSION Disease progression in the MMT model progresses sequentially through changes in the cartilage articular surface, extracellular matrix composition, and then osteophyte mineralization and subchondral bone sclerosis. Cartilage surface roughness is a quantitative, early indicator of degenerative joint disease in small animal OA models and can potentially be used to evaluate therapeutic strategies.
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17
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Parks AN, McFaline-Figueroa J, Coogan A, Poe-Yamagata E, Guldberg RE, Platt MO, Temenoff JS. Supraspinatus tendon overuse results in degenerative changes to tendon insertion region and adjacent humeral cartilage in a rat model. J Orthop Res 2017; 35:1910-1918. [PMID: 28001327 PMCID: PMC5479759 DOI: 10.1002/jor.23496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2016] [Accepted: 11/16/2016] [Indexed: 02/06/2023]
Abstract
The etiology of rotator cuff tendon overuse injuries is still not well understood. Furthermore, how this overuse injury impacts other components of the glenohumeral joint, including nearby articular cartilage, is also unclear. Therefore, this study sought to better understand the time course of tendon protease activity in a rat model of supraspinatus overuse, as well as determine effects of 10 weeks of overuse on humeral head articular cartilage. For these studies, multiplex gelatin zymography was used to characterize protease activity profiles in tendon and cartilage, while histological scoring/mechanical testing and micro-computed tomography (μCT) imaging were used to quantify structural damage in the supraspinatus tendon insertion and humeral articular cartilage, respectively. Histological scoring of supraspinatus tendon insertions revealed tendinopathic cellular and collagen fiber changes after 10 weeks of overuse when compared to controls, while mechanical testing revealed no significant differences between tensile moduli (overuse: 24.5 ± 11.5 MPa; control: 16.3 ± 8.7 MPa). EPIC-μCT imaging on humeral articular cartilage demonstrated significant cartilage thinning (overuse: 119.6 ± 6.34 μm; control: 195.4 ± 13.4μm), decreased proteoglycan content (overuse: 2.1 ± 0.18 cm-1 ; control: 1.65 ± 0.14 cm-1 ), and increased subchondral bone thickness (overuse: 216.2 ± 10.9 μm; control: 192 ± 17.8μm) in the overuse animals. Zymography results showed no significant upregulation of cathepsins or matrix metalloproteinases in tendon or cartilage at 2 or 10 weeks of overuse compared to controls. These results have further elucidated timing of protease activity over 10 weeks and suggest that damage occurs to other tissues in addition to the supraspinatus tendon in this overuse injury model. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 35:1910-1918, 2017.
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Affiliation(s)
- Akia N. Parks
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332
| | - Jennifer McFaline-Figueroa
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332
| | - Anne Coogan
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332
| | - Emma Poe-Yamagata
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332
| | - Robert E. Guldberg
- Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, Georgia 30332,George Woodruff School of Mechanical Engineering, Georgia Institute of Technology, 801 Ferst Drive, Atlanta, Georgia 30332
| | - Manu O. Platt
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, Georgia 30332
| | - Johnna S. Temenoff
- W.H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, 313 Ferst Drive, Atlanta, Georgia 30332,Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, 315 Ferst Drive, Atlanta, Georgia 30332
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18
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Iwasaki K, Sudo H, Kasahara Y, Yamada K, Ohnishi T, Tsujimoto T, Iwasaki N. Effects of Multiple Intra-articular Injections of 0.5% Bupivacaine on Normal and Osteoarthritic Joints in Rats. Arthroscopy 2016; 32:2026-2036. [PMID: 27132778 DOI: 10.1016/j.arthro.2016.02.011] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2015] [Revised: 01/30/2016] [Accepted: 02/01/2016] [Indexed: 02/02/2023]
Abstract
PURPOSE To determine the in vivo effects of multiple local anesthetic injections of 0.5% bupivacaine on normal and osteoarthritic articular cartilage. METHODS Rats with normal knee joints received an intra-articular injection of 0.9% saline solution or 0.5% bupivacaine in their right knees joint once a week for 5 consecutive weeks, starting 4 weeks after the beginning of the experiment. Rats were humanely killed at 8, 16, and 24 weeks. In a parallel experiment, rats underwent anterior cruciate ligament transection to induce osteoarthritic changes. These rats were subjected to the same protocol as those with normal knee joints, starting 4 weeks after the procedure. Static weight-bearing tests were performed on both hind limbs to evaluate changes in weight-bearing ability throughout the experiments. Rats were humanely killed at 8 and 16 weeks. Cell viability was assessed with confocal microscopy, using samples from the distal femur. Histologic assessment of osteoarthritis was performed using samples from the tibial plateau based on the Osteoarthritis Research Society International (OARSI) cartilage histopathology assessment system (i.e., OARSI score). RESULTS Static weight-bearing tests showed no significant changes after intra-articular injection of saline solution or bupivacaine, and bupivacaine injection did not increase weight bearing compared with saline solution injection, regardless of whether there were osteoarthritic changes. There were also no significant differences in cell viability, cell density, or OARSI scores between the saline solution and bupivacaine groups at each time point, regardless of whether osteoarthritic changes were induced. CONCLUSIONS This study suggested that single or intermittent intra-articular bupivacaine injections might not have deleterious effects on either osteoarthritic or normal joints. CLINICAL RELEVANCE There is no strong evidence that intra-articular bupivacaine injection induces degenerative changes in articular cartilage. Therefore, these results may apply to normal and osteoarthritic joints.
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Affiliation(s)
- Koji Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Hideki Sudo
- Department of Advanced Medicine for Spine and Spinal Cord Disorders, Hokkaido University Graduate School of Medicine, Sapporo, Japan.
| | - Yasuhiko Kasahara
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Katsuhisa Yamada
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Takashi Ohnishi
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Takeru Tsujimoto
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University Graduate School of Medicine, Sapporo, Japan
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19
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Fossey S, Vahle J, Long P, Schelling S, Ernst H, Boyce RW, Jolette J, Bolon B, Bendele A, Rinke M, Healy L, High W, Roth DR, Boyle M, Leininger J. Nonproliferative and Proliferative Lesions of the Rat and Mouse Skeletal Tissues (Bones, Joints, and Teeth). J Toxicol Pathol 2016; 29:49S-103S. [PMID: 27621538 PMCID: PMC5013709 DOI: 10.1293/tox.29.3s-2] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The INHAND (International Harmonization of Nomenclature and Diagnostic Criteria for Lesions in Rats and Mice) Project (www.toxpath.org/inhand.asp) is an initiative of the Societies of Toxicological Pathology from Europe (ESTP), Great Britain (BSTP), Japan (JSTP) and North America (STP) to develop an internationally accepted nomenclature for proliferative and nonproliferative lesions in laboratory animals. The purpose of this publication is to provide a standardized nomenclature for classifying microscopic lesions observed in the skeletal tissues and teeth of laboratory rats and mice, with color photomicrographs illustrating examples of many common lesions. The standardized nomenclature presented in this document is also available on the internet (http://www.goreni.org/). Sources of material were databases from government, academic and industrial laboratories throughout the world.
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Affiliation(s)
| | - John Vahle
- Lilly Research Laboratories, Indianapolis, IN, USA
| | | | - Scott Schelling
- Pfizer Inc., Andover, MA, USA
- Dr. Schelling retired April 2015
| | | | | | | | | | | | | | - Laura Healy
- LNH Tox Path Consulting, LLC, Kalamazoo, MI, USA
| | - Wanda High
- WB High Preclin Path/Tox Consulting, LLC, Rochester, NY,
USA
| | | | | | - Joel Leininger
- JRL Consulting, LLC, Chapel Hill, NC, USA
- Chair of the Skeletal Tissues INHAND Committee
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20
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Madry H, Ochi M, Cucchiarini M, Pape D, Seil R. Large animal models in experimental knee sports surgery: focus on clinical translation. J Exp Orthop 2015; 2:9. [PMID: 26914877 PMCID: PMC4545948 DOI: 10.1186/s40634-015-0025-1] [Citation(s) in RCA: 25] [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] [Received: 12/19/2014] [Accepted: 03/25/2015] [Indexed: 02/06/2023] Open
Abstract
Large animal models play a crucial role in sports surgery of the knee, as they are critical for the exploration of new experimental strategies and the clinical translation of novel techniques. The purpose of this contribution is to provide critical aspects of relevant animal models in this field, with a focus on paediatric anterior cruciate ligament (ACL) reconstruction, high tibial osteotomy, and articular cartilage repair. Although there is no single large animal model strictly replicating the human knee joint, the sheep stifle joint shares strong similarities. Studies in large animal models of paediatric ACL reconstruction identified specific risk factors associated with the different surgical techniques. The sheep model of high tibial osteotomy is a powerful new tool to advance the understanding of the effect of axial alignment on the lower extremity on specific issues of the knee joint. Large animal models of both focal chondral and osteochondral defects and of osteoarthritis have brought new findings about the mechanisms of cartilage repair and treatment options. The clinical application of a magnetic device for targeted cell delivery serves as a suitable example of how data from such animal models are directly translated into in clinical cartilage repair. As novel insights from studies in these translational models will advance the basic science, close cooperation in this important field of clinical translation will improve current reconstructive surgical options and open novel avenues for regenerative therapies of musculoskeletal disorders.
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Affiliation(s)
- Henning Madry
- Center of Experimental Orthopaedics, Saarland University Medical Center and Saarland University, Bldg 37, Kirrbergerstr. 1, D-66421, Homburg, Germany.
- Cartilage Net of the Greater Region, Homburg, Germany.
- Department of Orthopaedic Surgery, Saarland University Medical Center and Saarland University, D-66421, Homburg/Saar, Germany.
| | - Mitsuo Ochi
- Department of Orthopaedic Surgery, Graduate School of Biomedical Sciences, Hiroshima University, Hiroshima, Japan.
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics, Saarland University Medical Center and Saarland University, Bldg 37, Kirrbergerstr. 1, D-66421, Homburg, Germany.
- Cartilage Net of the Greater Region, Homburg, Germany.
| | - Dietrich Pape
- Cartilage Net of the Greater Region, Homburg, Germany.
- Department of Orthopaedic Surgery, Centre Hospitalier du Luxembourg, L-1460, Luxembourg, Luxembourg.
- Sports Medicine Research Laboratory, Public Research Centre for Health, Luxembourg, Centre Médical de la Fondation Norbert Metz, 76 rue d'Eich, L-1460, Luxembourg, Luxembourg.
| | - Romain Seil
- Cartilage Net of the Greater Region, Homburg, Germany.
- Department of Orthopaedic Surgery, Centre Hospitalier du Luxembourg, L-1460, Luxembourg, Luxembourg.
- Sports Medicine Research Laboratory, Public Research Centre for Health, Luxembourg, Centre Médical de la Fondation Norbert Metz, 76 rue d'Eich, L-1460, Luxembourg, Luxembourg.
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21
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Bagi CM, Berryman E, Zakur DE, Wilkie D, Andresen CJ. Effect of antiresorptive and anabolic bone therapy on development of osteoarthritis in a posttraumatic rat model of OA. Arthritis Res Ther 2015; 17:315. [PMID: 26542671 PMCID: PMC4635572 DOI: 10.1186/s13075-015-0829-5] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Accepted: 10/20/2015] [Indexed: 12/15/2022] Open
Abstract
Introduction Osteoarthritis (OA) is a leading cause of disability, but despite the high unmet clinical need and extensive research seeking dependable therapeutic interventions, no proven disease-modifying treatment for OA is currently available. Due to the close interaction and interplay between the articular cartilage and the subchondral bone plate, it has been hypothesized that antiresorptive drugs can also reduce cartilage degradation, inhibit excessive turnover of the subchondral bone plate, prevent osteophyte formation, and/or that bone anabolic drugs might also stimulate cartilage synthesis by chondrocytes and preserve cartilage integrity. The benefit of intensive zoledronate (Zol) and parathyroid hormone (PTH) therapy for bone and cartilage metabolism was evaluated in a rat model of OA. Methods Medial meniscectomy (MM) was used to induce OA in male Lewis rats. Therapy with Zol and human PTH was initiated immediately after surgery. A dynamic weight-bearing (DWB) system was deployed to evaluate the weight-bearing capacity of the front and hind legs. At the end of the 10-week study, the rats were euthanized and the cartilage pathology was evaluated by contrast (Hexabrix)-enhanced μCT imaging and traditional histology. Bone tissue was evaluated at the tibial metaphysis and epiphysis, including the subchondral bone. Histological techniques and dynamic histomorphometry were used to evaluate cartilage morphology and bone mineralization. Results The results of this study highlight the complex changes in bone metabolism in different bone compartments influenced by local factors, including inflammation, pain and mechanical loads. Surgery caused severe and extensive deterioration of the articular cartilage at the medial tibial plateau, as evidenced by contrast-enhanced μCT and histology. The study results showed the negative impact of MM surgery on the weight-bearing capacity of the operated limb, which was not corrected by treatment. Although both Zol and PTH improved subchondral bone mass and Zol reduced serum CTX-II level, both treatments failed to prevent or correct cartilage deterioration, osteophyte formation and mechanical incapacity. Conclusions The various methods utilized in this study showed that aggressive treatment with Zol and PTH did not have the capacity to prevent or correct the deterioration of the hyaline cartilage, thickening of the subchondral bone plate, osteophyte formation or the mechanical incapacity of the osteoarthritic knee.
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Affiliation(s)
- Cedo M Bagi
- Global Science and Technology, Pfizer Global Research and Development, Pfizer Inc., 100 Eastern Point Road, Groton, CT, 06340, USA.
| | - Edwin Berryman
- Comparative Medicine, Global Science and Technology, Pfizer Global Research and Development, Pfizer Inc., 100 Eastern Point Road, Groton, CT, 06340, USA.
| | - David E Zakur
- Comparative Medicine, Global Science and Technology, Pfizer Global Research and Development, Pfizer Inc., 100 Eastern Point Road, Groton, CT, 06340, USA. david.zakur.@pfizer.com
| | - Dean Wilkie
- Investigative Pathology, Drug Safety Research and Development, Pfizer Inc., 100 Eastern Point Road, Groton, CT, 06340, USA.
| | - Catharine J Andresen
- Comparative Medicine, Global Science and Technology, Pfizer Global Research and Development, Pfizer Inc., 100 Eastern Point Road, Groton, CT, 06340, USA.
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Orth P, Peifer C, Goebel L, Cucchiarini M, Madry H. Comprehensive analysis of translational osteochondral repair: Focus on the histological assessment. ACTA ACUST UNITED AC 2015; 50:19-36. [PMID: 26515165 DOI: 10.1016/j.proghi.2015.10.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 10/07/2015] [Accepted: 10/07/2015] [Indexed: 12/15/2022]
Abstract
Articular cartilage guarantees for an optimal functioning of diarthrodial joints by providing a gliding surface for smooth articulation, weight distribution, and shock absorbing while the subchondral bone plays a crucial role in its biomechanical and nutritive support. Both tissues together form the osteochondral unit. The structural assessment of the osteochondral unit is now considered the key standard procedure for evaluating articular cartilage repair in translational animal models. The aim of this review is to give a detailed overview of the different methods for a comprehensive evaluation of osteochondral repair. The main focus is on the histological assessment as the gold standard, together with immunohistochemistry, and polarized light microscopy. Additionally, standards of macroscopic, non-destructive imaging such as high resolution MRI and micro-CT, biochemical, and molecular biological evaluations are addressed. Potential pitfalls of analysis are outlined. A second focus is to suggest recommendations for osteochondral evaluation.
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Affiliation(s)
- Patrick Orth
- Center of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany; Department of Orthopaedic Surgery, Saarland University Medical Center, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany.
| | - Carolin Peifer
- Center of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany.
| | - Lars Goebel
- Center of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany; Department of Orthopaedic Surgery, Saarland University Medical Center, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany.
| | - Magali Cucchiarini
- Center of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany.
| | - Henning Madry
- Center of Experimental Orthopaedics and Osteoarthritis Research, Saarland University, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany; Department of Orthopaedic Surgery, Saarland University Medical Center, Kirrberger Strasse 100, Building 37, D-66421 Homburg/Saar, Germany.
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23
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Thysen S, Luyten FP, Lories RJU. Targets, models and challenges in osteoarthritis research. Dis Model Mech 2015; 8:17-30. [PMID: 25561745 PMCID: PMC4283647 DOI: 10.1242/dmm.016881] [Citation(s) in RCA: 178] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis is a chronic degenerative disorder of the joint and represents one of the most common diseases worldwide. Its prevalence and severity are increasing owing to aging of the population, but treatment options remain largely limited to painkillers and anti-inflammatory drugs, which only provide symptomatic relief. In the late stages of the disease, surgical interventions are often necessary to partially restore joint function. Although the focus of osteoarthritis research has been originally on the articular cartilage, novel findings are now pointing to osteoarthritis as a disease of the whole joint, in which failure of different joint components can occur. In this Review, we summarize recent progress in the field, including data from novel ‘omics’ technologies and from a number of preclinical and clinical trials. We describe different in vitro and in vivo systems that can be used to study molecules, pathways and cells that are involved in osteoarthritis. We illustrate that a comprehensive and multisystem approach is necessary to understand the complexity and heterogeneity of the disease and to better guide the development of novel therapeutic strategies for osteoarthritis.
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Affiliation(s)
- Sarah Thysen
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, KU Leuven, 3000 Leuven, Belgium
| | - Frank P Luyten
- Skeletal Biology and Engineering Research Center, KU Leuven, 3000 Leuven, Belgium. Division of Rheumatology, University Hospitals Leuven, KU Leuven, 3000 Leuven, Belgium
| | - Rik J U Lories
- Laboratory of Tissue Homeostasis and Disease, Skeletal Biology and Engineering Research Center, KU Leuven, 3000 Leuven, Belgium. Division of Rheumatology, University Hospitals Leuven, KU Leuven, 3000 Leuven, Belgium.
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24
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Bagi CM, Zakur DE, Berryman E, Andresen CJ, Wilkie D. Correlation between μCT imaging, histology and functional capacity of the osteoarthritic knee in the rat model of osteoarthritis. J Transl Med 2015; 13:276. [PMID: 26303725 PMCID: PMC4549091 DOI: 10.1186/s12967-015-0641-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2015] [Accepted: 08/18/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND To acquire the most meaningful understanding of human arthritis, it is essential to select the disease model and methodology translatable to human conditions. The primary objective of this study was to evaluate a number of analytic techniques and biomarkers for their ability to accurately gauge bone and cartilage morphology and metabolism in the medial meniscal tear (MMT) model of osteoarthritis (OA). METHODS MMT surgery was performed in rats to induce OA. A dynamic weight bearing system (DWB) system was deployed to evaluate the weight-bearing capacity of the front and hind legs in rats. At the end of a 10-week study cartilage pathology was evaluated by micro computed tomography (μCT), contrast enhanced μCT (EPIC μCT) imaging and traditional histology. Bone tissue was evaluated at the tibial metaphysis and epiphysis, including the subchondral bone. Histological techniques and dynamic histomorphometry were used to evaluate cartilage morphology and bone mineralization. RESULTS The study results showed a negative impact of MMT surgery on the weight-bearing capacity of the operated limb. Surgery caused severe and extensive deterioration of the articular cartilage at the medial tibial plateau, as evidenced by elevated CTX-II in serum, EPIC μCT and histology. Bone analysis by μCT showed thickening of the subchondral bone beneath the damaged cartilage, loss of cancellous bone at the metaphysis and active osteophyte formation. CONCLUSIONS The study emphasizes the need for using various methodologies that complement each other to provide a comprehensive understanding of the pathophysiology of OA at the organ, tissue and cellular levels. Results from this study suggest that use of histology, μCT and EPIC μCT, and functional DWB tests provide powerful combination to fully assess the key aspects of OA and enhance data interpretation.
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Affiliation(s)
- Cedo M Bagi
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - David E Zakur
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Edwin Berryman
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Catharine J Andresen
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
| | - Dean Wilkie
- Pfizer Global Research & Development, Global Science & Technology, 100 Eastern Point Road MS 8274-1359, Groton, CT, 06340, USA.
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25
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Permuy M, Guede D, López-Peña M, Muñoz F, Caeiro JR, González-Cantalapiedra A. Effects of diacerein on cartilage and subchondral bone in early stages of osteoarthritis in a rabbit model. BMC Vet Res 2015; 11:143. [PMID: 26135886 PMCID: PMC4487570 DOI: 10.1186/s12917-015-0458-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2014] [Accepted: 06/22/2015] [Indexed: 11/26/2022] Open
Abstract
Background Osteoarthritis is thought to be the most prevalent chronic and disabling joint disease in animals and humans. At present, there is no ideal treatment option. The aim of this study was to assess the effects of the treatment with oral diacerein on articular cartilage, synovial membrane and subchondral bone in an experimental rabbit model of osteoarthritis by micro-CT evaluation and histological analysis. To this purpose, osteoarthritis was surgically induced on one knee of 16 rabbits using the contralateral knee as healthy controls. Treatment was started three weeks later and lasted eight weeks. Animals were divided into two groups for treatment: Placebo (treated daily with oral saline) and diacerein (treated orally with 1.5 mg/kg/day of diacerein). Results Sample analysis revealed that this model induced osteoarthritis in the operated knee joint. Osteoarthritis placebo group showed a significant increase in non-calcified cartilage thickness and volume with respect to the control placebo group and important changes in the synovial membrane; whereas the parameters measured in subchondral bone remained unchanged. In the osteoarthritis diacerein-treated group the results showed an improvement with respect to the OA placebo group in all parameters, although the results were not statistically significant. Conclusion The results of this animal study suggested that the diacerein treatment for OA may be able to ameliorate the swelling and surface alterations of the cartilage and exert an anti-inflammatory effect on the synovial membrane, which might contribute to OA improvement, as well as an anabolic effect on subchondral trabecular bone.
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Affiliation(s)
- María Permuy
- Veterinary Clinical Sciences, University of Santiago de Compostela (USC), Campus Universitario, s/n, 27002, Lugo, Spain.
| | - David Guede
- Trabeculae S.L., Parque Tecnolóxico de Galicia, 32900 San Cibrao das Viñas, Ourense, Spain.
| | - Mónica López-Peña
- Veterinary Clinical Sciences, University of Santiago de Compostela (USC), Campus Universitario, s/n, 27002, Lugo, Spain.
| | - Fernando Muñoz
- Veterinary Clinical Sciences, University of Santiago de Compostela (USC), Campus Universitario, s/n, 27002, Lugo, Spain.
| | - Jose-Ramón Caeiro
- Orthopedic Surgery Service, USC University Hospital Complex, Travesía de Choupana, s/n, 15706, Santiago de Compostela, Spain.
| | - Antonio González-Cantalapiedra
- Veterinary Clinical Sciences, University of Santiago de Compostela (USC), Campus Universitario, s/n, 27002, Lugo, Spain.
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Abstract
Osteoarthritis (OA) is unquestionably one of the most important chronic health issues in humans, affecting millions of individuals and costing billions of dollars annually. Despite widespread awareness of this disease and its devastating impact, the pathogenesis of early OA is not completely understood, hampering the development of effective tools for early diagnosis and disease-modifying therapeutics. Most human tissue available for study is obtained at the time of joint replacement, when OA lesions are end stage and little can be concluded about the factors that played a role in disease development. To overcome this limitation, over the past 50 years, numerous induced and spontaneous animal models have been utilized to study disease onset and progression, as well as to test novel therapeutic interventions. Reflecting the heterogeneity of OA itself, no single "gold standard" animal model for OA exists; thus, a challenge for researchers lies in selecting the most appropriate model to answer a particular scientific question of interest. This review provides general considerations for model selection, as well as important features of species such as mouse, rat, guinea pig, sheep, goat, and horse, which researchers should be mindful of when choosing the "best" animal model for their intended purpose. Special consideration is given to key variations in pathology among species as well as recommended guidelines for reporting the histologic features of each model.
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Affiliation(s)
- A M McCoy
- Department of Veterinary Clinical Medicine, University of Illinois, Urbana, IL, USA
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27
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Permuy M, Guede D, López-Peña M, Muñoz F, Caeiro JR, González-Cantalapiedra A. Comparison of various SYSADOA for the osteoarthritis treatment: an experimental study in rabbits. BMC Musculoskelet Disord 2015; 16:120. [PMID: 25986068 PMCID: PMC4470075 DOI: 10.1186/s12891-015-0572-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2015] [Accepted: 04/29/2015] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Osteoarthritis is thought to be the most prevalent chronic and disabling joint disease in animals and humans and its treatment is a major orthopaedic challenge because there is no ideal drug treatment to preserve joint structure and function, as well as to ameliorate the symptomatology of the disease. The aim of the present study was to assess, using histology, histomorphometry and micro-CT, the effects of the treatment with several drugs of the SYSADOA group and a bisphosphonate in a model of early osteoarthritis, comparing all the results obtained. METHODS Osteoarthritis was surgically induced by anterior cruciate ligament transection and partial meniscectomy on one knee of 56 rabbits; treatment was started three weeks after surgery and lasted 8 weeks; at the end of this period, the animals were sacrificed. Animals were divided into seven groups (8 animals each), one for each regimen of treatment (glucosamine sulfate, chondroitin sulfate, hyaluronic acid, diacerein, risedronate and a combination of risedronate and glucosamine) and one for the control (placebo-treated) group. Following sacrifice, femoral osteochondral cylinders and synovial membrane samples were obtained for their evaluation by qualitative and quantitative histology and micro-CT. RESULTS The model induced osteoarthritic changes in the knee joints and none of the treatments showed a significantly better efficacy over the others. Regarding cartilage thickness and volume, all the treatments achieved scores halfway between control groups, without statistical differences. Regarding the synovial membrane, diacerein and risedronate showed the best anti-inflammatory profile, whereas glucosamine and chondroitin did not present any effect standing the hyaluronic acid results between the others. Regarding the subchondral bone, there were no differences in thickness or volume, but risedronate, diacerein and hyaluronic acid seemed to have considerably modified the orientation of the trabecular lattice. CONCLUSIONS Out of the different drugs evaluated in the study for OA treatment, diacerein and risedronate showed, in all the parameters measured, a better profile of effectiveness; hyaluronic acid ameliorated cartilage swelling and promoted bone formation, but with a poor synovial effect; and finally, chondroitin and glucosamine sulfate prevented cartilage swelling in a similar way to the others, but had no effect on cartilage surface, synovial membrane or subchondral bone.
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Affiliation(s)
- María Permuy
- Clinical Sciences Department, Veterinary Faculty, University of Santiago de Compostela, Lugo, Spain.
| | - David Guede
- Trabeculae S.L, Ourense, Spain. .,Cooperative Research Thematic Network in Ageing and Frailty (RETICEF), Carlos III Health Institute. Ministry of Economy and Competitiveness, Madrid, Spain.
| | - Mónica López-Peña
- Clinical Sciences Department, Veterinary Faculty, University of Santiago de Compostela, Lugo, Spain.
| | - Fernando Muñoz
- Clinical Sciences Department, Veterinary Faculty, University of Santiago de Compostela, Lugo, Spain.
| | - José-Ramón Caeiro
- Cooperative Research Thematic Network in Ageing and Frailty (RETICEF), Carlos III Health Institute. Ministry of Economy and Competitiveness, Madrid, Spain. .,Orthopaedic Surgery Service, USC University Hospital Complex, Santiago de Compostela, Spain.
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Cernohorsky P, Kok AC, de Bruin DM, Brandt MJ, Faber DJ, Tuijthof GJ, Kerkhoffs GM, Strackee SD, van Leeuwen TG. Comparison of optical coherence tomography and histopathology in quantitative assessment of goat talus articular cartilage. Acta Orthop 2015; 86:257-63. [PMID: 25350610 PMCID: PMC4404781 DOI: 10.3109/17453674.2014.979312] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND AND PURPOSE Optical coherence tomography (OCT) is a light-based imaging technique suitable for depiction of thin tissue layers such as articular cartilage. Quantification of results and direct comparison with a reference standard is needed to confirm the role of OCT in cartilage evaluation. MATERIALS AND METHODS Goat talus articular cartilage repair was assessed quantitatively with OCT and compared with histopathology using semi-automated analysis software. Osteochondral defects were created centrally in goat tali with subsequent healing over 24 weeks. After sacrifice, the tali were analyzed using OCT and processed into histopathology slides. Cartilage thickness, repair tissue area, and surface roughness were measured. Also, light attenuation coefficient measurements were performed to assess differences in the properties of healthy tissue and repair tissue. RESULTS Intra-class correlation coefficients for resemblance between the 2 techniques were 0.95 (p < 0.001) for thickness, 0.73 (p = 0.002) for repair tissue area, and 0.63 (p = 0.015) for surface roughness. Light attenuation differed significantly between healthy cartilage (8.2 (SD 3.9) mm(-1)) and repair tissue (2.8 (SD 1.5) mm(-1)) (p < 0.001). INTERPRETATION Compared to histopathology as the standard reference method, OCT is a reproducible technique in quantitative analysis of goat talus articular cartilage, especially when assessing cartilage thickness and to a lesser extent when measuring repair tissue area and surface roughness. Moreover, differences in local light attenuation suggest measurable variation in tissue structure, enhancing the clinical applicability of quantitative measurements from cartilage OCT images.
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Affiliation(s)
| | - Aimee C Kok
- Orthopedic Surgery, Orthopedic Research Center Amsterdam
| | - Daniel Martijn de Bruin
- Biomedical Engineering and Physics,Urology, Academic Medical Center, University of Amsterdam, Amsterdam
| | | | | | - Gabrielle J Tuijthof
- Orthopedic Surgery, Orthopedic Research Center Amsterdam,Faculty of 3ME, BioMechanical Engineering, Delft University of Technology, Delft, the Netherlands
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29
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Rafayelyan S, Meyer P, Radlanski RJ, Minden K, Jost-Brinkmann PG, Präger TM. Effect of methotrexate upon antigen-induced arthritis of the rabbit temporomandibular joint. J Oral Pathol Med 2014; 44:614-21. [PMID: 25243828 DOI: 10.1111/jop.12265] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/15/2014] [Indexed: 01/07/2023]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) of the temporomandibular joint (TMJ) can cause severe growth disturbances of the craniomandibular system. Antigen-induced arthritis (AIA) of the rabbit TMJ is simulating the inflammatory process of the TMJ in JIA. The aim of this study was to investigate the effect of a systemic administration of methotrexate (MTX) on AIA in rabbits by means of three different histological staining methods. METHODS After sensitization, a bilateral arthritis of the TMJ was induced by an intra-articular administration of ovalbumin in 12 New Zealand white rabbits aged 10 weeks. From the 13th week of age, six of the 12 rabbits received weekly intramuscular injections of MTX, and the other six animals remained without therapy. Another six animals served as controls, receiving no treatment or intra-articular injections at all. After euthanasia at the age of 22 weeks, all TMJs were retrieved en bloc. Sagittal sections were cut and stained with haematoxylin-eosin (H-E), Safranin-O for the evaluation of the Mankin score and tartrate-resistant acid phosphatase (TRAP). RESULTS In the arthritis group, a chronic inflammation with degeneration of the articular cartilage was visible. In the MTX group, the signs of cartilage degeneration were significantly reduced compared with the arthritis group. In contrast, the joints in the control group were inconspicuous. A correlation between the Mankin score and TRAP-positive cells could be found. CONCLUSIONS Systemic administration of MTX seems to have a positive effect upon the inflammatory process in the rabbit TMJ but fails to eliminate the sign of arthritis completely.
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Affiliation(s)
- Smbat Rafayelyan
- Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Philipp Meyer
- Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Ralf J Radlanski
- Department of Oral Structural Biology, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Kirsten Minden
- German Rheumatism Research Centre Berlin, Berlin, Germany
| | - Paul-Georg Jost-Brinkmann
- Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
| | - Thomas M Präger
- Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Bleil J, Maier R, Hempfing A, Schlichting U, Appel H, Sieper J, Syrbe U. Histomorphologic and histomorphometric characteristics of zygapophyseal joint remodeling in ankylosing spondylitis. Arthritis Rheumatol 2014; 66:1745-54. [PMID: 24574301 DOI: 10.1002/art.38404] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2013] [Accepted: 02/06/2014] [Indexed: 02/01/2023]
Abstract
OBJECTIVE To unravel the mechanisms that control bony ankylosis in ankylosing spondylitis (AS). METHODS Histomorphologic and histomorphometric analyses were performed on zygapophyseal joints obtained from 18 patients with AS, 9 patients with osteoarthritis (OA), and 10 cadaver donors without a rheumatic disease (controls). The proteoglycan content of the cartilage was determined by Safranin O staining and the chondrocyte apoptosis according to caspase 3 expression. RESULTS AS joints were categorized into 3 groups according to the morphology of the joint surfaces and joint space: group 1 were joints with an open joint space, group 2 were joints with cartilaginous fusion, and group 3 were joints with bony fusion of the joint surfaces. Progressive loss of the joint space from group 1 joints to group 3 joints suggests that this grouping corresponds to sequential stages of joint remodeling. Cartilage thickness and subchondral bone plate thickness declined from group 1 to group 3 (P < 0.01). Increased chondrocyte apoptosis rates were found in groups 1 and 2 (P < 0.05), while in group 3, a reduction in the proteoglycan content was found (P < 0.001). Bone marrow replacement and invasion of the subchondral bone plate by fibrous tissue was found predominantly in AS joints in group 2. CONCLUSION Cartilage degeneration, indicated by cartilage thinning, enhanced chondrocyte apoptosis, and proteoglycan loss, and subchondral bone thinning, promoted by invasion of the subchondral bone plate by a fibrous tissue originating from the bone marrow, are hallmarks of joint remodeling in AS.
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Affiliation(s)
- Janine Bleil
- Charité Universitätsmedizin Berlin, Campus Benjamin Franklin, Berlin, Germany
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Chen WH, Lo WC, Hsu WC, Wei HJ, Liu HY, Lee CH, Tina Chen SY, Shieh YH, Williams DF, Deng WP. Synergistic anabolic actions of hyaluronic acid and platelet-rich plasma on cartilage regeneration in osteoarthritis therapy. Biomaterials 2014; 35:9599-607. [PMID: 25176059 DOI: 10.1016/j.biomaterials.2014.07.058] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 07/28/2014] [Indexed: 01/13/2023]
Abstract
Osteoarthritis (OA) is a common disease associated with tissue inflammation, physical disability and imbalanced homeostasis in cartilage. For advanced treatments, biological approaches are currently focused on tissue regeneration and anti-inflammation. This study was undertaken to evaluate the therapeutic efficacies of hyaluronic acid (HA) and platelet-rich plasma (PRP) (HA+PRP) on OA. Articular chondrocytes were obtained from five OA patients. The optimal HA and PRP concentrations were evaluated by MTT assay. The expressions of chondrogenic and inflammatory genes were analyzed by RT-PCR. Signaling pathway was examined by immunoblotting and the expressions of OA pathology-related chemokines and cytokines was demonstrated by real-time PCR-based SuperArray. The therapeutic efficacies of HA+PRP were then demonstrated in 3D arthritic neo-cartilage and ACLT-OA model. Here we showed that HA+PRP could greatly retrieve pro-inflammatory cytokines-reduced articular chondrocytes proliferation and chondrogenic phenotypes, the mechanism of which involve the sequential activation of specific receptors CD44 and TGF-βRII, downstream mediators Smad2/3 and Erk1/2, and the chondrogenic transcription factor SOX9. The real-time PCR-based SuperArray results also indicated that OA pathology-related chemokines and cytokines could be efficiently suppressed by HA+PRP. Moreover, the cartilaginous ECM could be retrieved from inflammation-induced degradation by HA+PRP in both 2D monolayer and 3D neo-cartilage model. Finally, the intra-articular injection of HA+PRP could strongly rescue the meniscus tear and cartilage breakdown and then decrease OA-related immune cells. The combination of HA+PRP can synergistically promote cartilage regeneration and inhibit OA inflammation. This study might offer an advanced and alternative OA treatment based on detailed regenerative mechanisms.
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Affiliation(s)
- Wei-Hong Chen
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan
| | - Wen-Cheng Lo
- Department of Neurosurgery, Taipei Medical University Hospital, Taipei, Taiwan; School of medicine, Taipei Medical University, Taipei, Taiwan
| | - Wei-Che Hsu
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hong-Jian Wei
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hen-Yu Liu
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan
| | - Chian-Her Lee
- Department of Orthopaedics and Traumatology, Orthopaedic Research Center, Taipei Medical University Hospital, Taipei, Taiwan
| | - Szu-Yu Tina Chen
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan
| | - Ying-Hua Shieh
- Department of Family Medicine, Taipei Medical University, Wan Fang Hospital, Taipei, Taiwan
| | - David F Williams
- Wake Forest Institute of Regenerative Medicine, Winston-Salem, NC, USA
| | - Win-Ping Deng
- Stem Cell Research Center, Taipei Medical University, Taipei, Taiwan; Graduate Institute of Biomedical Materials and Engineering, College of Oral, Medicine, Taipei Medical University, Taipei, Taiwan.
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Rafayelyan S, Radlanski RJ, Minden K, Pischon N, Jost-Brinkmann PG, Präger TM. Histomorphometry in antigen-induced arthritis of the rabbit temporomandibular joint. J Oral Pathol Med 2014; 44:67-74. [PMID: 24935724 DOI: 10.1111/jop.12201] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/08/2014] [Indexed: 12/23/2022]
Abstract
BACKGROUND Juvenile idiopathic arthritis (JIA) of the temporomandibular joint (TMJ) can cause severe growth disturbances of the craniomandibular system. Antigen-induced arthritis (AIA) of the rabbit TMJ is simulating the inflammatory process of the TMJ in JIA. The aim of this study was to investigate the effect of a systemic administration of the tumor necrosis factor-alpha (TNF-α) antagonist etanercept on AIA in rabbits by means of three different histological staining methods. METHODS After sensitization, a bilateral arthritis of the TMJ was induced and maintained by repeated intra-articular administrations of ovalbumin in 12 New Zealand white rabbits aged 10 weeks. From the 13th week of age, 6 of the 12 rabbits received weekly subcutaneous injections of etanercept, and the other 6 animals remained without therapy. Another 6 animals served as controls, receiving no treatment or intra-articular injections at all. After euthanasia at the age of 22 weeks, all TMJs were retrieved en bloc. Sagittal sections were cut and stained with hematoxylin-eosin (H-E), Safranin-O for the evaluation of the Mankin score, and tartrate-resistant acid phosphatase (TRAP). RESULTS In the arthritis group, a chronic inflammation with degeneration of the articular cartilage was visible. In the etanercept group, the signs of cartilage degeneration were significantly reduced but present. In contrast, the joints in the control group were inconspicuous. A strong correlation between the Mankin score and TRAP-positive cells could be found. CONCLUSIONS Antigen-induced arthritis causes severe damage in the TMJ of young rabbits. An improvement seems to be achievable by a systemic administration of etanercept.
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Affiliation(s)
- S Rafayelyan
- Department of Orthodontics, Dentofacial Orthopedics and Pedodontics, Center for Dental and Craniofacial Sciences, Charité - Universitätsmedizin Berlin, Berlin, Germany
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Veronesi F, Torricelli P, Giavaresi G, Sartori M, Cavani F, Setti S, Cadossi M, Ongaro A, Fini M. In vivo effect of two different pulsed electromagnetic field frequencies on osteoarthritis. J Orthop Res 2014; 32:677-85. [PMID: 24501089 DOI: 10.1002/jor.22584] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Accepted: 01/06/2014] [Indexed: 02/04/2023]
Abstract
Osteoarthritis (OA) is a joint pathology characterized by fibrillation, reduced cartilage thickness and subchondral bone sclerosis. There is evidence that pulsed electromagnetic fields (PEMFs) counteract OA progression, but the effect of two different PEMF frequencies has not yet been shown. The aim of this study was to test the effectiveness of PEMFs at two different frequencies (37 and 75 Hz) in a late OA stage in 21-month-old Guinea pigs. After 3 months of 6 h/day PEMF stimulation, histological and histomorphometric analyses of the knees were performed. At both frequencies, PEMFs significantly reduced histological cartilage score, fibrillation index (FI), subchondral bone thickness (SBT) and trabecular number (Tb.N) and increased trabecular thickness (Tb.Th) and separation (Tb.Sp) in comparison to the not treated SHAM group. However, PEMFs at 75 Hz produced significantly more beneficial effects on the histological score and FI than 37 Hz PEMFs. At 75 Hz, PEMFs counteracted cartilage thinning as demonstrated by a significantly higher cartilage thickness values than either those of the SHAM or 37 Hz PEMF-treated groups. Although in severe OA both PEMF frequencies were able to limit its progression, 75 Hz PEMF stimulation achieved the better results.
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Affiliation(s)
- F Veronesi
- Laboratory of Preclinical and Surgical Studies, Rizzoli Orthopedic Institute-IOR, via Di Barbiano 1/10, 40136, Bologna, Italy
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Permuy M, Guede D, López-Peña M, Muñoz F, González-Cantalapiedra A, Caeiro JR. Effects of glucosamine and risedronate alone or in combination in an experimental rabbit model of osteoarthritis. BMC Vet Res 2014; 10:97. [PMID: 24766775 PMCID: PMC4023551 DOI: 10.1186/1746-6148-10-97] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 04/16/2014] [Indexed: 11/10/2022] Open
Abstract
Background The osteoarthritis (OA) treatment in humans and in animals is a major orthopaedic challenge because there is not an ideal drug for preserving the joint structure and function. The aim of this study was to assess the effects of the treatment with oral glucosamine and risedronate alone or in combination on articular cartilage, synovial membrane and subchondral bone in an experimental rabbit model of OA. Osteoarthritis was surgically induced on one knee of 32 New Zealand White rabbits using the contralateral as healthy controls. Three weeks later treatments were started and lasted 8 weeks. Animal were divided in four groups of oral treatment: the first group received only saline, the second 21.5 mg/kg/day of glucosamine sulfate, the third 0.07 mg/kg/day of risedronate; and the fourth group both drugs simultaneously at the same dosages. Following sacrifice femurs were removed and osteochondral cylinders and synovial membrane were obtained for its histological and micro-CT evaluation. Results Sample analysis revealed that the model induced osteoarthritic changes in operated knees. OA placebo group showed a significant increase in cartilage thickness respect to the control and inflammatory changes in synovial membrane; whereas subchondral bone structure and volumetric bone mineral density remained unchanged. All the treated animals showed an improvement of the cartilage swelling independent of the drug used. Treatment with glucosamine alone seemed to have no effect in the progression of cartilage pathology while risedronate treatment had better results in superficial fibrillation and in resolving the inflammatory changes of the tissues, as well as modifying the orientation of trabecular lattice. The combination of both compounds seemed to have additive effects showing better results than those treated with only one drug. Conclusions The results of this animal study suggested that glucosamine sulfate and risedronate treatment alone or in combination may be able to stop cartilage swelling. The risedronate treatment could partially stop the fibrillation and the inflammation of synovial membrane as well as modify the orientation of trabeculae in healthy and in osteoarthritic knees.
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Affiliation(s)
- María Permuy
- Clinical Sciences Department, Veterinary Faculty, University of Santiago de Compostela, 27002 Lugo, Spain.
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Hargrave-Thomas EJ, Thambyah A, McGlashan SR, Broom ND. The bovine patella as a model of early osteoarthritis. J Anat 2013; 223:651-64. [PMID: 24111904 DOI: 10.1111/joa.12115] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/29/2013] [Indexed: 12/12/2022] Open
Abstract
The bovine patella model has been used extensively for studying important structure-function aspects of articular cartilage, including its degeneration. However, the degeneration seen in this model has, to our knowledge, never been adequately compared with human osteoarthritis (OA). In this study, bovine patellae displaying normal to severely degenerate states were compared with human tissue displaying intact cartilage to severe OA. Comparisons of normal and OA features were made with histological scoring, morphometric measurements, and qualitative observations. Differential interference contrast microscopy was used to image early OA changes in the articular cartilage matrix and to investigate whether this method provided comparable quality of visualisation of key structural features with standard histology. The intact bovine cartilage was found to be similar to healthy human cartilage and the degenerate bovine cartilage resembled the human OA tissues with regard to structural disruption, cellularity changes, and staining loss. The extent of degeneration in the bovine tissues matched the mild to moderate range of human OA tissues; however, no bovine samples exhibited late-stage OA. Additionally, in both bovine and human tissues, cartilage degeneration was accompanied by calcified cartilage thickening, tidemark duplication, and the advancement of the cement line by protrusions of bony spicules into the calcified cartilage. This comparison of degeneration in the bovine and human tissues suggests a common pathway for the progression of OA and thus the bovine patella is proposed to be an appropriate model for investigating the structural changes associated with early OA.
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Affiliation(s)
- E J Hargrave-Thomas
- Experimental Tissue Mechanics Laboratory, Department of Chemical and Materials Engineering, University of Auckland, Auckland, New Zealand
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Cheng T, Zhang L, Fu X, Wang W, Xu H, Song H, Zhang Y. The potential protective effects of calcitonin involved in coordinating chondrocyte response, extracellular matrix, and subchondral trabecular bone in experimental osteoarthritis. Connect Tissue Res 2013; 54:139-46. [PMID: 23323719 DOI: 10.3109/03008207.2012.760549] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
Previous reports indicate a potential role for calcitonin (CT) in the treatment of osteoarthritis (OA). To evaluate this potential therapeutic role, we investigated the effect of CT pretreatment on the activation of mitogen-activated protein kinase (MAPK) signaling and the expression of matrix metalloproteinase-13 (MMP-13) in interleukin-1β (IL-1β)-induced chondrocytes, and further assessed its protective effect in a rat model of anterior cruciate ligament transection (ACLT), using sham-operated and saline-treated controls. Using western blotting in vitro, we found that CT pretreatment inhibited the IL-1β-induced phosphorylation of 38,000-dalton protein (p38) and extracellular regulated protein 1/2 (ERK1/2) and reduced the expression of MMP-13 protein. For the in vivo experiment, 30 male rats were randomly divided into three groups of 10, subjected to bilateral ACLT or sham surgery, and then treated for 12 weeks with subcutaneous injections of CT or normal saline. Histological observations showed that CT treatment reduced the severity of the cartilage lesions stemming from the ACLT surgery and provided a lower Mankin score when compared with that determined for rats in the saline-treated ACLT group. Immunohistochemical staining revealed that CT treatment increased type II collagen expression and decreased MMP-3 and a disintegrin and metalloproteinase with thrombospondin motifs-4 (ADAMTS-4) expression when compared with the saline-treated group. Subchondral bone analysis indicated that CT treatment inhibited the reduction in bone mineral density observed in the saline-treated ACLT group and reduced the ACLT-induced destruction to the subchondral trabecular microstructure. Our data demonstrate that CT induces its protective effects by reducing the chondrocyte response to inflammatory stimuli, cartilage extracellular matrix degradation, and subchondral trabecular microstructure damages brought on by OA.
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Affiliation(s)
- Tan Cheng
- Department of Orthopedic Surgery, Hebei Medical University, Shijiazhuang, China
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37
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Pedersen DR, Goetz JE, Kurriger GL, Martin JA. Comparative digital cartilage histology for human and common osteoarthritis models. Orthop Res Rev 2013; 2013:13-20. [PMID: 24465137 DOI: 10.2147/orr.s38400] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
PURPOSE This study addresses the species-specific and site-specific details of weight-bearing articular cartilage zone depths and chondrocyte distributions among humans and common osteoarthritis (OA) animal models using contemporary digital imaging tools. Histological analysis is the gold-standard research tool for evaluating cartilage health, OA severity, and treatment efficacy. Historically, evaluations were made by expert analysts. However, state-of-the-art tools have been developed that allow for digitization of entire histological sections for computer-aided analysis. Large volumes of common digital cartilage metrics directly complement elucidation of trends in OA inducement and concomitant potential treatments. MATERIALS AND METHODS Sixteen fresh human knees, 26 adult New Zealand rabbit stifles, and 104 bovine lateral plateaus were measured for four cartilage zones and the cell densities within each zone. Each knee was divided into four weight-bearing sites: the medial and lateral plateaus and femoral condyles. RESULTS One-way analysis of variance followed by pairwise multiple comparisons (Holm-Sidak method at a significance of 0.05) clearly confirmed the variability between cartilage depths at each site, between sites in the same species, and between weight-bearing articular cartilage definitions in different species. CONCLUSION The present study clearly demonstrates multisite, multispecies differences in normal weight-bearing articular cartilage, which can be objectively quantified by a common digital histology imaging technique. The clear site-specific differences in normal cartilage must be taken into consideration when characterizing the pathoetiology of OA models. Together, these provide a path to consistently analyze the volume and variety of histologic slides necessarily generated by studies of OA progression and potential treatments in different species.
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Affiliation(s)
- Douglas R Pedersen
- Department of Orthopaedics and Rehabilitation, University of Iowa, Iowa City, IA, USA
| | - Jessica E Goetz
- Department of Orthopaedics and Rehabilitation, University of Iowa, Iowa City, IA, USA
| | - Gail L Kurriger
- Department of Orthopaedics and Rehabilitation, University of Iowa, Iowa City, IA, USA
| | - James A Martin
- Department of Orthopaedics and Rehabilitation, University of Iowa, Iowa City, IA, USA
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McNulty MA, Loeser RF, Davey C, Callahan MF, Ferguson CM, Carlson CS. A Comprehensive Histological Assessment of Osteoarthritis Lesions in Mice. Cartilage 2011; 2:354-63. [PMID: 26069594 PMCID: PMC4297143 DOI: 10.1177/1947603511402665] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Accurate histological assessment of osteoarthritis (OA) is critical in studies evaluating the effects of interventions on disease severity. The purpose of the present study was to develop a histological grading scheme that comprehensively and quantitatively assesses changes in multiple tissues that are associated with OA of the stifle joint in mice. DESIGN Two representative midcoronal sections from 158 stifle joints, including naturally occurring and surgically induced OA, were stained with H&E and Safranin-O stains. All slides were evaluated to characterize the changes present. A grading scheme that includes both measurements and semiquantitative scores was developed, and principal components analysis (PCA) was applied to the resulting data from the medial tibial plateaus. A subset of 30 tibial plateaus representing a wide range of severity was then evaluated by 4 observers. Reliability of the results was evaluated using intraclass correlation coefficients (ICCs) and area under the receiver operating characteristic (ROC) curve. RESULTS Five factors were retained by PCA, accounting for 74% of the total variance. Interobserver and intraobserver reproducibilities for evaluations of articular cartilage and subchondral bone were acceptable. The articular cartilage integrity and chondrocyte viability factor scores were able to distinguish severe OA from normal, minimal, mild, and moderate disease. CONCLUSION This newly developed grading scheme and resulting factors characterize a range of joint changes in mouse stifle joints that are associated with OA. Overall, the newly developed scheme is reliable and reproducible, characterizes changes in multiple tissues, and provides comprehensive information regarding a specific site in the stifle joint.
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Affiliation(s)
- Margaret A. McNulty
- Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St. Paul, MN, USA
| | - Richard F. Loeser
- Department of Internal Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Cynthia Davey
- Biostatistical Design & Analysis Center, University of Minnesota, Minneapolis, MN, USA
| | - Michael F. Callahan
- Department of Orthopaedic Surgery, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Cristin M. Ferguson
- Department of Orthopaedic Surgery, Wake Forest University School of Medicine, Winston-Salem, NC, USA
| | - Cathy S. Carlson
- Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, St. Paul, MN, USA,Cathy S. Carlson, Department of Veterinary Population Medicine, University of Minnesota College of Veterinary Medicine, 1988 Fitch Avenue, 435H AnSci/VM, St. Paul, MN 55108
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Hoemann C, Kandel R, Roberts S, Saris DB, Creemers L, Mainil-Varlet P, Méthot S, Hollander AP, Buschmann MD. International Cartilage Repair Society (ICRS) Recommended Guidelines for Histological Endpoints for Cartilage Repair Studies in Animal Models and Clinical Trials. Cartilage 2011; 2:153-72. [PMID: 26069577 PMCID: PMC4300784 DOI: 10.1177/1947603510397535] [Citation(s) in RCA: 113] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Cartilage repair strategies aim to resurface a lesion with osteochondral tissue resembling native cartilage, but a variety of repair tissues are usually observed. Histology is an important structural outcome that could serve as an interim measure of efficacy in randomized controlled clinical studies. The purpose of this article is to propose guidelines for standardized histoprocessing and unbiased evaluation of animal tissues and human biopsies. Methods were compiled from a literature review, and illustrative data were added. In animal models, treatments are usually administered to acute defects created in healthy tissues, and the entire joint can be analyzed at multiple postoperative time points. In human clinical therapy, treatments are applied to developed lesions, and biopsies are obtained, usually from a subset of patients, at a specific time point. In striving to standardize evaluation of structural endpoints in cartilage repair studies, 5 variables should be controlled: 1) location of biopsy/sample section, 2) timing of biopsy/sample recovery, 3) histoprocessing, 4) staining, and 5) blinded evaluation with a proper control group. Histological scores, quantitative histomorphometry of repair tissue thickness, percentage of tissue staining for collagens and glycosaminoglycan, polarized light microscopy for collagen fibril organization, and subchondral bone integration/structure are all relevant outcome measures that can be collected and used to assess the efficacy of novel therapeutics. Standardized histology methods could improve statistical analyses, help interpret and validate noninvasive imaging outcomes, and permit cross-comparison between studies. Currently, there are no suitable substitutes for histology in evaluating repair tissue quality and cartilaginous character.
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Affiliation(s)
- Caroline Hoemann
- Department of Chemical Engineering, Institute of Biomedical Engineering, École Polytechnique, Montréal, Quebec, Canada
| | - Rita Kandel
- BioEngineering of Skeletal Tissues Team, Department of Pathology and Laboratory Medicine, Mount Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Sally Roberts
- Spinal Studies & ISTM (Keele University), Robert Jones & Agnes Hunt Orthopaedic Hospital, Oswestry, Shropshire, UK
| | - Daniel B.F. Saris
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, the Netherlands
| | - Laura Creemers
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, the Netherlands
| | | | | | | | - Michael D. Buschmann
- Department of Chemical Engineering, Institute of Biomedical Engineering, École Polytechnique, Montréal, Quebec, Canada
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