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Ying J, Liu J, Wang H, Zhuang Y, Yu T, Wang S, Huang D. Biomechanical insights into ankle instability: a finite element analysis of posterior malleolus fractures. J Orthop Surg Res 2023; 18:957. [PMID: 38087344 PMCID: PMC10714561 DOI: 10.1186/s13018-023-04432-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Posterior malleolus fractures are known to be associated with ankle instability. The complexities involved in obtaining precise laboratory-based spatial pressure measurements of the ankle highlight the significance of exploring the biomechanical implications of these fractures. METHODS Finite element analysis was utilized to examine the stress distribution across the contact surface of the ankle joint, both in its natural state and under varied sagittal fracture line angles. The study aimed to identify stress concentration zones and understand the influence of sagittal angles on stress distribution. RESULTS Three distinct stress concentration zones were identified on the ankle's contact surface: the anterolateral tibia, the anteromedial tibia, and the fracture line. The most significant stress was observed at the fracture line when a fracture occurs. Stress at the fracture line notably spikes as the sagittal angle decreases, which can potentially compromise ankle stability. Larger sagittal angles exhibited only minor stress variations at the contact surface's three vertices. It was inferred that sagittal angles below 60° might pose risks to ankle stability. CONCLUSIONS The research underscores the potential implications of fractures on the stress profile of the ankle joint, emphasizing the role of the contact surface in ensuring stability. The identification of three zones of stress concentration and the influence of sagittal angles on stress distribution offers a valuable reference for therapeutic decision-making. Further, the study reinforces the importance of evaluating sagittal fracture angles, suggesting that angles below 60° may compromise ankle stability.
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Affiliation(s)
- Jichong Ying
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China
| | - Jianlei Liu
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China
| | - Hua Wang
- Department of Medical Imaging, Ningbo No.6 Hospital, Ningbo, China
| | - Yunqiang Zhuang
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China
| | - Tianming Yu
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China
| | - Shuaiyi Wang
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China
| | - Dichao Huang
- Department of Orthopaedic Trauma, Ningbo No.6 Hospital, Ningbo, China.
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Oka Y, Murata K, Ozone K, Minegishi Y, Kano T, Shimada N, Kanemura N. Mild treadmill exercise inhibits cartilage degeneration via macrophages in an osteoarthritis mouse model. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100359. [PMID: 37180812 PMCID: PMC10172924 DOI: 10.1016/j.ocarto.2023.100359] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Accepted: 03/27/2023] [Indexed: 05/16/2023] Open
Abstract
Objective We previously reported how treadmill exercise can suppress cartilage degeneration. Here, we examined the changes in macrophage dynamics in knee osteoarthritis (OA) during treadmill exercise and the effect of macrophage depletion. Design OA mouse model, generated via anterior cruciate ligament transection (ACLT), was subjected to treadmill exercise of different intensities to investigate the effects on cartilage and synovium. In addition, clodronate liposomes, which deplete macrophages, were injected intra-articularly into the joint to examine the role of macrophages during treadmill exercise. Results Cartilage degeneration was delayed by mild exercise, and concomitantly, an increase in anti-inflammatory factors in the synovium was observed, with a decrease in the M1 and increase in M2 macrophage ratio. On the contrary, high-intensity exercise led to the progress of cartilage degeneration and was associated with an increase in the M1 and a decrease in the M2 macrophage ratio. The clodronate liposome-induced reduction of synovial macrophages delayed cartilage degeneration. This phenotype was reversed by simultaneous treadmill exercise. Conclusions Treadmill exercise, especially at high intensity, was detrimental to articular cartilage, whereas mild exercise reduced cartilage degeneration. Moreover, M2 macrophage response appeared necessary for the chondroprotective effect of treadmill exercise. This study indicates the importance of a more comprehensive analysis of the effects of treadmill exercise, not limited to the mechanical stress added directly to cartilage. Hence, our findings might help determine the type and intensity of prescribed exercise therapy for patients with knee OA.
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Affiliation(s)
- Yuichiro Oka
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
- Department of Rehabilitation Science, Faculty of Health Sciences, Hokkaido University, Kita 12 Nishi 5, Kita-ku, Sapporo 060-0812, Japan
| | - Kenji Murata
- Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Kaichi Ozone
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Yuki Minegishi
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Takuma Kano
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Naoki Shimada
- Department of Health and Social Services, Graduate School of Saitama Prefectural University, Koshigaya, Saitama, Japan
| | - Naohiko Kanemura
- Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, Koshigaya, Saitama, Japan
- Corresponding author. Department of Physical Therapy, Health and Social Services, Saitama Prefectural University, 820 Sannomiya, Koshigaya, Saitama 343-8540, Japan. Fax: +81-489-73-4123.
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Warmink K, Vinod P, Korthagen NM, Weinans H, Rios JL. Macrophage-Driven Inflammation in Metabolic Osteoarthritis: Implications for Biomarker and Therapy Development. Int J Mol Sci 2023; 24:ijms24076112. [PMID: 37047082 PMCID: PMC10094694 DOI: 10.3390/ijms24076112] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 04/14/2023] Open
Abstract
Osteoarthritis (OA) is a common and debilitating joint disorder that leads to progressive joint breakdown and loss of articular cartilage. Accompanied by a state of low-grade inflammation, its etiology extends beyond that of a wear-and-tear disease, and the immune system might have a role in its initiation and progression. Obesity, which is directly associated with an increased incidence of OA, alters adipokine release, increases pro-inflammatory macrophage activity, and affects joint immune regulation. Studying inflammatory macrophage expression and strategies to inhibit inflammatory macrophage phenotype polarization might provide insights into disease pathogenesis and therapeutic applications. In pre-clinical studies, the detection of OA in its initial stages was shown to be possible using imaging techniques such as SPECT-CT, and advances are made to detect OA through blood-based biomarker analysis. In this review, obesity-induced osteoarthritis and its mechanisms in inducing joint degeneration are summarized, along with an analysis of the current developments in patient imaging and biomarker use for diagnostic and therapeutic strategies.
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Affiliation(s)
- Kelly Warmink
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Prateeksha Vinod
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Nicoline M Korthagen
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, 3584 CL Utrecht, The Netherlands
| | - Harrie Weinans
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
- Department of Biomechanical Engineering, TU Delft, 2628 CD Delft, The Netherlands
| | - Jaqueline L Rios
- Department of Orthopedics, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
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Go EJ, Kim SA, Cho ML, Lee KS, Shetty AA, Kim SJ. A Combination of Surgical and Chemical Induction in a Rabbit Model for Osteoarthritis of the Knee. Tissue Eng Regen Med 2022; 19:1377-1388. [PMID: 36318365 PMCID: PMC9679088 DOI: 10.1007/s13770-022-00488-8] [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: 07/23/2022] [Revised: 08/14/2022] [Accepted: 08/28/2022] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Appropriate animal models of osteoarthritis (OA) are essential to develop new treatment modalities for OA. A combination of surgical and chemical induction could be appropriate for OA models. METHODS Rabbit knee OA models developed by surgical induction (anterior cruciate ligament transection [ACLT]), chemical induction (monosodium iodoacetate [MIA] injection), and a combination of both were compared to assess compositional and structural destruction of the knee joint. Twenty-one New Zealand white rabbits were randomly divided into 3 groups to induce OA (group 1: ACLT, n = 3; group 2: MIA [3, 6, 9 mg] injection, n = 9; group 3: ACLT + MIA [3, 6, 9 mg] injection, n = 9). RESULTS In all groups, the Modified Mankin score was significantly higher in the osteoarthritis-induced knee than in the control. Modified Mankin scores were compared by category. The ACLT group was observed to score high in cartilage structure. In the MIA group, chondrocytes and matrix staining showed higher scores, and the ACLT+MIA group scored higher in all categories for cartilage structure, chondrocytes, matrix staining, and tidemark integrity. The ACLT + 3 mg MIA showed definite OA characteristics such as cartilage surface destruction and degeneration of cartilage layers, and the ACLT + 6 mg MIA and ACLT + 9 mg MIA showed more prominent OA characteristics such as cartilage surface destruction, matrix disorganization, and osteophyte formation. CONCLUSION The combination of MIA injection and ACLT could be an appropriate method for OA induction in rabbit models.
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Affiliation(s)
- Eun Jeong Go
- Department of Orthopaedic Surgery, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Cheonbo-ro, Uijeongbu-si, Gyeonggi-do, 271, Republic of Korea
| | - Seon Ae Kim
- Department of Orthopaedic Surgery, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Cheonbo-ro, Uijeongbu-si, Gyeonggi-do, 271, Republic of Korea
| | - Mi-La Cho
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kwan Soo Lee
- The Rheumatism Research Center, Catholic Research Institute of Medical Science, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
| | - Asode Ananthram Shetty
- Faculty of Health and Social Care, Institute of Medical Sciences, Canterbury Christ Church University, Kent, UK
| | - Seok Jung Kim
- Department of Orthopaedic Surgery, Uijeongbu St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Cheonbo-ro, Uijeongbu-si, Gyeonggi-do, 271, Republic of Korea.
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The miR-548d-5p/SP1 signaling axis regulates chondrocyte proliferation and inflammatory responses in osteoarthritis. Int Immunopharmacol 2022; 110:109029. [DOI: 10.1016/j.intimp.2022.109029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 07/01/2022] [Accepted: 07/02/2022] [Indexed: 11/21/2022]
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Bao Z, Chen M, Li C, Shan Q, Wang Y, Yang W. Monosodium iodoacetate-induced subchondral bone microstructure and inflammatory changes in an animal model of osteoarthritis. Open Life Sci 2022; 17:781-793. [PMID: 35903181 PMCID: PMC9287849 DOI: 10.1515/biol-2022-0079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 04/02/2022] [Accepted: 04/21/2022] [Indexed: 11/15/2022] Open
Abstract
The monosodium iodoacetate (MIA)-induced osteoarthritis (OA) may lead to cartilage degeneration and histopathological lesions. However, the correlation between inflammatory reaction and subchondral bone remodeling in a rodent osteoarthritic model is ambiguous. In this study, intra-articular injection of MIA was performed in 36 four-week-old specific pathogen-free male Wistar rats to induce OA. After 4 weeks of intervention, changes in intrinsic structural properties of the subchondral bones were measured, and the histological evaluation, as well as biochemical analysis, was conducted. We found that intra-articular injection of MIA increased chondrocyte apoptosis and promoted cartilage matrix degradation, such as cartilage surface defects and shallow or disappearing staining. MIA also induced inflammation, improved the expression of IL-1β, TNF-α, and matrix metalloproteinase, and decreased the expression of cartilage-specific proteins with the extension of modeling time. Meanwhile, the MIA also significantly accelerated the subchondral bone remodeling, as shown by the decreased subchondral bone density, thinning of trabeculae, disordered cartilage structure, and morphology. In conclusion, we have shown that MIA-induced rodent osteoarthritic model would cause decreased subchondral bone density, sparse trabecular bone, and other manifestations of osteoporosis accompanied by an inflammatory response, which would worsen with the progression of modeling time. Our results suggest that different phases of MIA-induced OA are associated with the changes in subchondral bone microstructure and the progression of local inflammation.
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Affiliation(s)
- Zheming Bao
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
- Orthopedics Department, 960th Hospital of PLA Joint Service Support Force, Jinan, China
| | - Mengli Chen
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
| | - Chen Li
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
| | - Qing Shan
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
| | - Yichen Wang
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
| | - Wenshan Yang
- Department of Pharmacy, Medical Supplies Centre of PLA General Hospital, No. 28, Fuxing Road, Haidian District, Beijing 100853, China
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Warmink K, Siebelt M, Low PS, Riemers FM, Wang B, Plomp SGM, Tryfonidou MA, van Weeren PR, Weinans H, Korthagen NM. Folate Receptor Expression by Human Monocyte-Derived Macrophage Subtypes and Effects of Corticosteroids. Cartilage 2022; 13:19476035221081469. [PMID: 35255727 PMCID: PMC9137314 DOI: 10.1177/19476035221081469] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [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 Folate receptor beta (FR-β) has been used as a clinical marker and target in multiple inflammatory diseases, including osteoarthritis (OA) and rheumatoid arthritis (RA). However, the conditions under which FR-β+ macrophages arise remain unclear and could be affected by corticosteroids. Therefore, we studied FR-β expression in vitro in macrophage subtypes and determined their response to triamcinolone acetonide (TA), a clinically often-used corticosteroid. DESIGN Human monocyte-derived macrophages were differentiated to the known M0, M1, or M2 macrophage phenotypes. The phenotype and FR-β expression and plasticity of the macrophage subtypes were determined using flow cytometry, reverse transcription-quantitative polymerase chain reaction (RT-qPCR), and enzyme-linked immunosorbent assay (ELISA). RESULTS FR-β expression was low in granulocyte-macrophage colony-stimulating factor (GM-CSF)-generated (M1-like) macrophages and high in macrophage colony-stimulating factor (M-CSF)-generated (M0 and M2-like) macrophages. FR-β expression remained high once the M0 or M2 macrophages were stimulated with pro-inflammatory stimuli (interferon-γ plus lipopolysaccharide) to induce M1-like macrophages. On the contrary, anti-inflammatory TA treatment skewed GM-CSF macrophage differentiation toward an M2 and FR-β+ phenotype. CONCLUSIONS As corticosteroids skewed monocytes toward an FR-β-expressing, anti-inflammatory phenotype, even in an M1 priming GM-CSF environment, FR-β has potential as a biomarker to monitor success of treatment with corticosteroids. Without corticosteroid treatment, M-CSF alone induces high FR-β expression which remains high under pro-inflammatory conditions. This explains why pro-inflammatory FR-β+ macrophages (exposed to M-CSF) are observed in arthritis patients and correlate with disease severity.
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Affiliation(s)
- Kelly Warmink
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands,Kelly Warmink, Department of Orthopedics, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands.
| | - Michiel Siebelt
- Department of Orthopedics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Philip S. Low
- Department of Chemistry, Purdue University, West Lafayette, IN, USA
| | - Frank M. Riemers
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Bingbing Wang
- Department of Chemistry, Purdue University, West Lafayette, IN, USA
| | - Saskia G. M. Plomp
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Marianna A. Tryfonidou
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - P. René van Weeren
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Harrie Weinans
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Biomechanical Engineering, TU Delft, Delft, The Netherlands
| | - Nicoline M. Korthagen
- Department of Orthopedics, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
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Oka Y, Murata K, Kano T, Ozone K, Arakawa K, Kokubun T, Kanemura N. Impact of Controlling Abnormal Joint Movement on the Effectiveness of Subsequent Exercise Intervention in Mouse Models of Early Knee Osteoarthritis. Cartilage 2021; 13:1334S-1344S. [PMID: 31718284 PMCID: PMC8804869 DOI: 10.1177/1947603519885007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE Moderate mechanical stress is necessary for preserving the cartilage. The clinician empirically understands that prescribing only exercise will progress osteoarthritis (OA) for knee OA patients with abnormal joint movement. When prescribing exercise for OA, we hypothesized that degeneration of articular cartilage could be further prevented by combining interventions with the viewpoint of normalizing joint movement. DESIGN Twelve-week-old ICR mice underwent anterior cruciate ligament transection (ACL-T) surgery in their right knee and divided into 4 groups: ACL-T, controlled abnormal joint movement (CAJM), ACL-T with exercise (ACL-T/Ex), CAJM with exercise (CAJM/Ex). Animals in the walking group were subjected to treadmill exercise 6 weeks after surgery, which included walking for 18 m/min, 30 min/d, 3 d/wk for 4 weeks. Joint instability was measured by anterior drawer test, and safranin-O staining and immunohistochemical staining were performed. RESULTS OARSI (Osteoarthritis Research Society International) score of ACL-T/Ex group showed highest among 4 groups (P < 0.001). And CAJM/Ex group was lower than ACL-T/Ex group. Positive cell ratio of IL-1β and MMP-13 in CAJM/Ex group was lower than ACL-T/Ex group (P < 0.05). CONCLUSIONS We found that the state of the intra-articular environment can greatly influence the effect of exercise on cartilage degeneration, even if exercise is performed under the same conditions. In the CAJM/Ex group where joint movement was normalized, abnormal mechanical stress such as shear force and compression force accompanying ACL cutting was alleviated. These findings may highlight the need to consider an intervention to correct abnormal joint movement before prescribing physical exercise in the treatment of OA.
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Affiliation(s)
- Yuichiro Oka
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kenji Murata
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan
| | - Takuma Kano
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kaichi Ozone
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Kohei Arakawa
- Department of Health and Social
Services, Health and Social Services, Graduate School of Saitama Prefectural
University, Koshigaya, Saitama, Japan
| | - Takanori Kokubun
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan
| | - Naohiko Kanemura
- Department of Physical Therapy,
Health and Social Services, Saitama Prefectural University, Koshigaya,
Saitama, Japan,Naohiko Kanemura, Department of
Physical Therapy, Health and Social Services, Saitama Prefectural
University, 820 Sannomiya, Koshigaya, Saitama 343-8540, Japan.
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Aarntzen EHJG, Noriega-Álvarez E, Artiko V, Dias AH, Gheysens O, Glaudemans AWJM, Lauri C, Treglia G, van den Wyngaert T, van Leeuwen FWB, Terry SYA. EANM recommendations based on systematic analysis of small animal radionuclide imaging in inflammatory musculoskeletal diseases. EJNMMI Res 2021; 11:85. [PMID: 34487263 PMCID: PMC8421483 DOI: 10.1186/s13550-021-00820-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 08/02/2021] [Indexed: 11/26/2022] Open
Abstract
Inflammatory musculoskeletal diseases represent a group of chronic and disabling conditions that evolve from a complex interplay between genetic and environmental factors that cause perturbations in innate and adaptive immune responses. Understanding the pathogenesis of inflammatory musculoskeletal diseases is, to a large extent, derived from preclinical and basic research experiments. In vivo molecular imaging enables us to study molecular targets and to measure biochemical processes non-invasively and longitudinally, providing information on disease processes and potential therapeutic strategies, e.g. efficacy of novel therapeutic interventions, which is of complementary value next to ex vivo (post mortem) histopathological analysis and molecular assays. Remarkably, the large body of preclinical imaging studies in inflammatory musculoskeletal disease is in contrast with the limited reports on molecular imaging in clinical practice and clinical guidelines. Therefore, in this EANM-endorsed position paper, we performed a systematic review of the preclinical studies in inflammatory musculoskeletal diseases that involve radionuclide imaging, with a detailed description of the animal models used. From these reflections, we provide recommendations on what future studies in this field should encompass to facilitate a greater impact of radionuclide imaging techniques on the translation to clinical settings.
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Affiliation(s)
- Erik H J G Aarntzen
- Inflammation and Infection Committee EANM, Vienna, Austria
- Department of Medical Imaging, Radboud University Nijmegen Medical Center, Geert Grooteplein Zuid 10, 6525 GA, Nijmegen, The Netherlands
| | - Edel Noriega-Álvarez
- Inflammation and Infection Committee EANM, Vienna, Austria
- Department of Nuclear Medicine, General University Hospital of Ciudad Real, Ciudad Real, Spain
| | - Vera Artiko
- Inflammation and Infection Committee EANM, Vienna, Austria
- Center for Nuclear Medicine Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, 11000, Belgrade, Serbia
| | - André H Dias
- Inflammation and Infection Committee EANM, Vienna, Austria
- Department of Nuclear Medicine and PET Center, Aarhus University Hospital, Aarhus, Denmark
| | - Olivier Gheysens
- Inflammation and Infection Committee EANM, Vienna, Austria
- Department of Nuclear Medicine, Cliniques Universitaires Saint-Luc and Institute of Clinical and Experimental Research (IREC), Université Catholique de Louvain (UCLouvain), Brussels, Belgium
| | - Andor W J M Glaudemans
- Inflammation and Infection Committee EANM, Vienna, Austria.
- Department of Nuclear Medicine and Molecular Imaging, University Medical Center Groningen, University of Groningen Medical Imaging Center, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
| | - Chiara Lauri
- Inflammation and Infection Committee EANM, Vienna, Austria
- Nuclear Medicine Unit, Department of Medical-Surgical Sciences and of Translational Medicine, "Sapienza" University of Rome, 00161, Rome, Italy
| | - Giorgio Treglia
- Inflammation and Infection Committee EANM, Vienna, Austria
- Clinic of Nuclear Medicine, Imaging Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Department of Nuclear Medicine and Molecular Imaging, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
- Faculty of Biology and Medicine, Università Della Svizzera Italiana, Lugano, Switzerland
| | - Tim van den Wyngaert
- Bone and Joint Committee EANM, Vienna, Austria
- Antwerp University Hospital Belgium, Edegem, Belgium
- Molecular Imaging Center Antwerp (MICA) - IPPON, Faculty of Medicine and Health Sciences, University of Antwerp, Universiteitsplein 1, 2610, Wilrijk, Belgium
| | - Fijs W B van Leeuwen
- Translational Molecular Imaging and Therapy Committee EANM, Vienna, Austria
- Department of Radiology, Interventional Molecular Imaging Laboratory, Leiden University Medical Center, Leiden, The Netherlands
| | - Samantha Y A Terry
- Inflammation and Infection Committee EANM, Vienna, Austria.
- Department of Imaging Chemistry and Biology, School of Biomedical Engineering and Imaging Sciences, King's College London, 4th Floor Lambeth Wing, St Thomas' Hospital, London, SE1 7EH, UK.
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de Sire A, Marotta N, Marinaro C, Curci C, Invernizzi M, Ammendolia A. Role of Physical Exercise and Nutraceuticals in Modulating Molecular Pathways of Osteoarthritis. Int J Mol Sci 2021; 22:5722. [PMID: 34072015 PMCID: PMC8198532 DOI: 10.3390/ijms22115722] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/23/2021] [Accepted: 05/26/2021] [Indexed: 12/12/2022] Open
Abstract
Osteoarthritis (OA) is a painful and disabling disease that affects millions of patients. Its etiology is largely unknown, but it is most likely multifactorial. OA pathogenesis involves the catabolism of the cartilage extracellular matrix and is supported by inflammatory and oxidative signaling pathways and marked epigenetic changes. To delay OA progression, a wide range of exercise programs and naturally derived compounds have been suggested. This literature review aims to analyze the main signaling pathways and the evidence about the synergistic effects of these two interventions to counter OA. The converging nutrigenomic and physiogenomic intervention could slow down and reduce the complex pathological features of OA. This review provides a comprehensive picture of a possible signaling approach for targeting OA molecular pathways, initiation, and progression.
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Affiliation(s)
- Alessandro de Sire
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Nicola Marotta
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Cinzia Marinaro
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
| | - Claudio Curci
- Physical Medicine and Rehabilitation Unit, Department of Neurosciences, ASST Carlo Poma, 46100 Mantova, Italy;
| | - Marco Invernizzi
- Physical Medicine and Rehabilitation, Department of Health Sciences, University of Eastern Piedmont, 28100 Novara, Italy;
- Translational Medicine, Dipartimento Attività Integrate Ricerca e Innovazione (DAIRI), Azienda Ospedaliera S.S. Antonio e Biagio e Cesare Arrigo, 15121 Alessandria, Italy
| | - Antonio Ammendolia
- Department of Medical and Surgical Sciences, University of Catanzaro “Magna Graecia”, 88100 Catanzaro, Italy; (N.M.); (C.M.); (A.A.)
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Hao Y, Wu Y, Wang S, Wang C, Qu S, Li L, Yu G, Liu Z, Zhao Z, Fan P, Zhang Z, Shi Y. Quantitative proteomics reveal the protective effects of EDS against osteoarthritis via attenuating inflammation and modulating immune response. JOURNAL OF ETHNOPHARMACOLOGY 2021; 271:113780. [PMID: 33421600 DOI: 10.1016/j.jep.2021.113780] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/25/2020] [Accepted: 01/01/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Epimedium brevicornu Maxim, Dioscorea nipponica Makino, and Salvia miltiorrhiza Bunge formula (EDS) are three traditional Chinese medicines commonly combined and used to treat osteoarthritis (OA). However, the mechanism of its therapeutic effect on OA is still unclear. AIM OF THE STUDY The aim of this study was to investigate the potential anti osteoarthritis mechanism of EDS in the treatment of OA rats' model by quantitative proteomics. MATERIALS AND METHODS A papain-induced rat OA model was established, and then EDS was intragastrically administered for 28 days. A label-free quantification proteomics was performed to evaluate the holistic efficacy of EDS against OA and identify the possible protein profiles mechanisms. The expression levels of critical changed proteins were validated by RT-qPCR and Western blotting. The effects of EDS were then assessed by evaluating pathologic changes in the affected knee joint and measuring pressure pain threshold, acoustic reflex threshold, angle of joint curvature. RESULTS Proteomics analysis showed that 62 proteins were significantly upregulated and 208 proteins were downregulated in OA group compared to control group. The changed proteins were involved in activation of humoral immunity response, complement cascade activation, leukocyte mediated immunity, acute inflammatory response, endocytosis regulation, and proteolysis regulation. The EDS treatment partially restored the protein profile changes. The protective effects of EDS on pathologic changes in OA rats' knee joint and pain threshold assessment were consisted with the proteomics results. CONCLUSIONS The results suggest that EDS exerted synergistic therapeutic efficacies to against OA through suppressing inflammation, modulating the immune system, relieving joint pain, and attenuating cartilage degradation.
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Affiliation(s)
- Ying Hao
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 102488, China; Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, 10065, USA.
| | - Yang Wu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | | | - Chungguo Wang
- Beijing Research Institute of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, 100029, China.
| | - Sihao Qu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Li Li
- Chenland Nutritionals, Inc, Irvine, CA, 92614, USA.
| | - Guohua Yu
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Zimin Liu
- Chenland Nutritionals, Inc, Irvine, CA, 92614, USA.
| | - Zhen Zhao
- Pathology and Laboratory Medicine, Weill Cornell Medical College, New York, NY, 10065, USA.
| | - Pengcheng Fan
- State Key Laboratory of Proteomics, National Center for Protein Sciences (Beijing), Institute of Lifeomics, Beijing, 102206, China.
| | - Zengliang Zhang
- Chenland Nutritionals, Inc, Irvine, CA, 92614, USA; Traditional Chinese Medicine College, Inner Mongolia Medical University, Jinshan Development Zone Hohhot, Inner Mongolia, 010110, China.
| | - Yuanyuan Shi
- School of Life Sciences, Beijing University of Chinese Medicine, Beijing, 102488, China.
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12
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Association between Oncostatin M Expression and Inflammatory Phenotype in Experimental Arthritis Models and Osteoarthritis Patients. Cells 2021; 10:cells10030508. [PMID: 33673583 PMCID: PMC7997294 DOI: 10.3390/cells10030508] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 02/23/2021] [Accepted: 02/23/2021] [Indexed: 12/25/2022] Open
Abstract
Pro-inflammatory cytokines are considered to play a major role in osteoarthritis (OA), yet so far, the specific cytokines involved in the pathology of OA have not been identified. Oncostatin M (OSM) is a cytokine from the interleukin 6 (IL-6) family that has been shown to be elevated in synovial fluid of most rheumatoid arthritis (RA) patients, but only in a limited subset of OA patients. Little is known about OSM in the different joint tissues during OA and how its expression correlates with hallmarks of disease. Here, we mapped OSM expression in the joint tissues of two rat models of arthritis: an acute inflammatory model and an instability-induced osteoarthritic model. OSM expression was correlated with hallmarks of OA, namely cartilage damage, synovitis, and osteophyte formation. Reanalysis of an existing dataset on cytokine profiling of OA synovial fluid was performed to assess pattern differences between patients positive and negative for OSM. In the inflammatory model, OSM expression correlated with synovitis and osteophyte formation but not with cartilage damage. On the contrary, in the instability model of OA, an increase in synovitis, cartilage damage, and osteophyte formation was observed without changes in OSM expression. In line with these findings, synovial fluid of OA patients with detectable OSM contained higher levels of other inflammatory cytokines, namely interferon gamma (IFN-γ), IL-1α and tumor necrosis factor alpha (TNF-α), likely indicating a more inflammatory state. Taken together these data indicate OSM might play a prominent role in inflammatory phenotypes of OA.
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13
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Zhang H, Ji L, Yang Y, Wei Y, Zhang X, Gang Y, Lu J, Bai L. The Therapeutic Effects of Treadmill Exercise on Osteoarthritis in Rats by Inhibiting the HDAC3/NF-KappaB Pathway in vivo and in vitro. Front Physiol 2019; 10:1060. [PMID: 31481898 PMCID: PMC6710443 DOI: 10.3389/fphys.2019.01060] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 08/02/2019] [Indexed: 01/03/2023] Open
Abstract
Osteoarthritis (OA) is a disease characterized by non-bacterial inflammation. Histone deacetylase 3 (HDAC3) is a crucial positive regulator in the inflammation that leads to the development of non-OA inflammatory disease. However, the precise involvement of HDAC3 in OA is still unknown, and the underlying mechanism of exercise therapy in OA requires more research. We investigated the involvement of HDAC3 in exercise therapy-treated OA. Expression levels of HDAC3, a disintegrin and metalloproteinase with thrombospondin motifs-5 (ADAMTS-5), matrix metalloproteinase-13 (MMP-13), HDAC3 and nuclear factor-kappaB (NF-kappaB) were measured by western blotting, reverse transcription polymerase chain reaction (RT-PCR) and immunohistochemistry. Cartilage damage and OA evaluation were measured by hematoxylin and eosin staining and Toluidine blue O staining according to the Mankin score and OARSI score, respectively. We found that moderate-intensity treadmill exercise could relieve OA. Meanwhile, the expression of HDAC3, MMP-13, ADAMTS-5 and NF-kappaB decreased, and collagen II increased in the OA + moderate-intensity treadmill exercise group (OAM) compared with the OA group (OAG) or OA + high- or low-intensity treadmill exercise groups (OAH or OAL). Furthermore, we found the selective HDAC3 inhibitor RGFP966 could also alleviate inflammation in OA rat model through inhibition of nuclear translocation of NF-kappaB. To further explore the relationship between HDAC3 and NF-kappaB, we investigated the change of NF-kappaB relocation in IL-1β-treated chondrocytes under the stimulation of RGFP966. We found that RGFP966 could inhibit the expression of inflammatory markers of OA via regulation of HDAC3/NF-kappaB pathway. These investigations revealed that RGFP966 is therefore a promising new drug for treating OA.
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Affiliation(s)
- He Zhang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lu Ji
- Department of Gynecology and Obstetrics, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yue Yang
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yingliang Wei
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Xiaoning Zhang
- Department of Anesthesiology Department, Shengjing Hospital, China Medical University, Shenyang, China
| | - Yi Gang
- Department of Orthopedic Surgery, Panjin Central Hospital, Panjin, China
| | - Jinghan Lu
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lunhao Bai
- Department of Orthopedic Surgery, Shengjing Hospital, China Medical University, Shenyang, China
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14
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Mazor M, Best TM, Cesaro A, Lespessailles E, Toumi H. Osteoarthritis biomarker responses and cartilage adaptation to exercise: A review of animal and human models. Scand J Med Sci Sports 2019; 29:1072-1082. [DOI: 10.1111/sms.13435] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 03/29/2019] [Accepted: 04/04/2019] [Indexed: 12/20/2022]
Affiliation(s)
| | - Thomas M. Best
- Division of Sports Medicine, Department of Orthopedics, Health Sports Medicine Institute University of Miami Coral Gables Florida
| | | | - Eric Lespessailles
- University of Orléans Orléans France
- Service de Rhumatologie Centre Hospitalier Régional d'Orléans La Source France
| | - Hechmi Toumi
- University of Orléans Orléans France
- Service de Rhumatologie Centre Hospitalier Régional d'Orléans La Source France
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15
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Castrogiovanni P, Di Rosa M, Ravalli S, Castorina A, Guglielmino C, Imbesi R, Vecchio M, Drago F, Szychlinska MA, Musumeci G. Moderate Physical Activity as a Prevention Method for Knee Osteoarthritis and the Role of Synoviocytes as Biological Key. Int J Mol Sci 2019; 20:ijms20030511. [PMID: 30691048 PMCID: PMC6387266 DOI: 10.3390/ijms20030511] [Citation(s) in RCA: 121] [Impact Index Per Article: 24.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2018] [Revised: 01/22/2019] [Accepted: 01/23/2019] [Indexed: 12/22/2022] Open
Abstract
The purpose of this study was to investigate the influence of moderate physical activity (MPA) on the expression of osteoarthritis (OA)-related (IL-1β, IL-6, TNF-α, MMP-13) and anti-inflammatory and chondroprotective (IL-4, IL-10, lubricin) biomarkers in the synovium of an OA-induced rat model. A total of 32 rats were divided into four groups: Control rats (Group 1); rats performing MPA (Group 2); anterior cruciate ligament transection (ACLT)-rats with OA (Group 3); and, ACLT-rats performing MPA (Group 4). Analyses were performed using Hematoxylin & Eosin (H&E) staining, histomorphometry and immunohistochemistry. In Group 3, OA biomarkers were significantly increased, whereas, IL-4, IL-10, and lubricin were significantly lower than in the other experimental groups. We hypothesize that MPA might partake in rescuing type B synoviocyte dysfunction at the early stages of OA, delaying the progression of the disease.
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Affiliation(s)
- Paola Castrogiovanni
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Michelino Di Rosa
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Silvia Ravalli
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Alessandro Castorina
- School of Life Sciences, Faculty of Science, University of Technology Sydney, P.O. Box 123, Broadway, Sydney, NSW 2007, Australia.
- Discipline of Anatomy and Histology, School of Medical Sciences, The University of Sydney, Sydney, NSW 2006, Australia.
| | - Claudia Guglielmino
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Rosa Imbesi
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Michele Vecchio
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, via S. Sofia 67, 95123 Catania, Italy.
| | - Filippo Drago
- Department of Biomedical and Biotechnological Sciences, Section of Pharmacology, University of Catania, via S. Sofia 67, 95123 Catania, Italy.
| | - Marta Anna Szychlinska
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Human Anatomy and Histology Section, School of Medicine, University of Catania, Via S. Sofia n°87, 95124 Catania, Italy.
- School of the Sport of the Italian National Olympic Committee "CONI" Sicily, Via Emanuele Notarbartolo, 90141 Palermo, Italy.
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16
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Alterations of autophagy in knee cartilage by treatment with treadmill exercise in a rat osteoarthritis model. Int J Mol Med 2018; 43:336-344. [PMID: 30365059 PMCID: PMC6257837 DOI: 10.3892/ijmm.2018.3948] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2018] [Accepted: 10/19/2018] [Indexed: 12/11/2022] Open
Abstract
The aim of the present study was to investigate potential alterations in the articular cartilage in a rat model of monosodium iodoacetate (MIA)-induced osteoarthritis (OA) with or without treatment with moderate treadmill exercise. A total of 30 male Sprague-Dawley rats were randomly divided into three groups (n=10), including the control, OA and OA with treadmill exercise (OAE) groups. Rats were evaluated upon completing the treadmill exercise program (speed, 18 m/min; 30 min/day; 5 days/week for 4 weeks). Interleukin (IL)-1β and IL-4 levels in the serum and intra-articular lavage fluid (IALF) were measured by ELISA. Alterations in articular cartilage and synovium were also evaluated by histology, immunohistochemistry, western blotting and reverse transcription-quantitative polymerase chain reaction. The results revealed that IL-1β in the serum and IALF decreased in the OAE group, whereas IL-4 increased, and histological evaluation indicated that the OAE group had a clear treatment response. However, the expression of type II collagen in the articular cartilage increased in the OAE group as compared with the OA group, whereas ADAMTS5 expression decreased. In contrast to light chain 3B (LC3B), the protein expression levels of BECLIN1 and sequestosome 1 (SQSTM1) were increased in the OA group. In addition, a significant increase was observed between OA and OAE groups in LC3B and SQSTM1 protein levels, whereas no change was observed in BECLIN1 levels between the OA and OAE groups in the superficial and deep zones. The results of western blotting demonstrated that LC3II was notably decreased in the OA group and partially increased in the OAE group. The mRNA expression levels of LC3B and SQSTM1 increased in the OA and OAE groups, with a significant difference observed between the two groups, while a concomitant decrease was detected in BECLIN1 levels. In conclusion, 30 min of treadmill exercise had an evident protective effect in the articular cartilage of rats with MIA-induced OA and may promote autophagy in the articular cartilage.
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17
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Vincent TL, Wann AKT. Mechanoadaptation: articular cartilage through thick and thin. J Physiol 2018; 597:1271-1281. [PMID: 29917242 DOI: 10.1113/jp275451] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Accepted: 05/01/2018] [Indexed: 12/18/2022] Open
Abstract
The articular cartilage is exquisitely sensitive to mechanical load. Its structure is largely defined by the mechanical environment and destruction in osteoarthritis is the pathophysiological consequence of abnormal mechanics. It is often overlooked that disuse of joints causes profound loss of volume in the articular cartilage, a clinical observation first described in polio patients and stroke victims. Through the 1980s, the results of studies exploiting experimental joint immobilisation supported this. Importantly, this substantial body of work was also the first to describe metabolic changes that resulted in decreased synthesis of matrix molecules, especially sulfated proteoglycans. The molecular mechanisms that underlie disuse atrophy are poorly understood despite the identification of multiple mechanosensing mechanisms in cartilage. Moreover, there has been a tendency to equate cartilage loss with osteoarthritic degeneration. Here, we review the historic literature and clarify the structural, metabolic and clinical features that clearly distinguish cartilage loss due to disuse atrophy and those due to osteoarthritis. We speculate on the molecular sensing pathways in cartilage that may be responsible for cartilage mechanoadaptation.
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Affiliation(s)
- Tonia L Vincent
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
| | - Angus K T Wann
- Arthritis Research UK Centre for OA Pathogenesis, Kennedy Institute of Rheumatology, University of Oxford, Oxford, UK
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18
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Salinas EY, Hu JC, Athanasiou K. A Guide for Using Mechanical Stimulation to Enhance Tissue-Engineered Articular Cartilage Properties. TISSUE ENGINEERING PART B-REVIEWS 2018; 24:345-358. [PMID: 29562835 DOI: 10.1089/ten.teb.2018.0006] [Citation(s) in RCA: 71] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The use of tissue-engineered articular cartilage (TEAC) constructs has the potential to become a powerful treatment option for cartilage lesions resulting from trauma or early stages of pathology. Although fundamental tissue-engineering strategies based on the use of scaffolds, cells, and signals have been developed, techniques that lead to biomimetic AC constructs that can be translated to in vivo use are yet to be fully confirmed. Mechanical stimulation during tissue culture can be an effective strategy to enhance the mechanical, structural, and cellular properties of tissue-engineered constructs toward mimicking those of native AC. This review focuses on the use of mechanical stimulation to attain and enhance the properties of AC constructs needed to translate these implants to the clinic. In vivo, mechanical loading at maximal and supramaximal physiological levels has been shown to be detrimental to AC through the development of degenerative changes. In contrast, multiple studies have revealed that during culture, mechanical stimulation within narrow ranges of magnitude and duration can produce anisotropic, mechanically robust AC constructs with high cellular viability. Significant progress has been made in evaluating a variety of mechanical stimulation techniques on TEAC, either alone or in combination with other stimuli. These advancements include determining and optimizing efficacious loading parameters (e.g., duration and frequency) to yield improvements in construct design criteria, such as collagen II content, compressive stiffness, cell viability, and fiber organization. With the advancement of mechanical stimulation as a potent strategy in AC tissue engineering, a compendium detailing the results achievable by various stimulus regimens would be of great use for researchers in academia and industry. The objective is to list the qualitative and quantitative effects that can be attained when direct compression, hydrostatic pressure, shear, and tensile loading are used to tissue-engineer AC. Our goal is to provide a practical guide to their use and optimization of loading parameters. For each loading condition, we will also present and discuss benefits and limitations of bioreactor configurations that have been used. The intent is for this review to serve as a reference for including mechanical stimulation strategies as part of AC construct culture regimens.
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Affiliation(s)
- Evelia Y Salinas
- Biomedical Engineering Department, University of California , Irvine, California
| | - Jerry C Hu
- Biomedical Engineering Department, University of California , Irvine, California
| | - Kyriacos Athanasiou
- Biomedical Engineering Department, University of California , Irvine, California
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19
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Sandker MJ, Duque LF, Redout EM, Klijnstra EC, Steendam R, Kops N, Waarsing JH, van Weeren R, Hennink WE, Weinans H. Degradation, Intra-Articular Biocompatibility, Drug Release, and Bioactivity of Tacrolimus-Loaded Poly(d-l-lactide-PEG)-b-poly(l-lactide) Multiblock Copolymer-Based Monospheres. ACS Biomater Sci Eng 2018; 4:2390-2403. [DOI: 10.1021/acsbiomaterials.8b00116] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Affiliation(s)
- Maria J. Sandker
- Department of Orthopaedics, Erasmus Medical Centre, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
- Department of Orthopaedics, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
| | - Luisa F. Duque
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands
| | - Everaldo M. Redout
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, The Netherlands
| | - Evelien C. Klijnstra
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands
| | - Rob Steendam
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands
| | - Nicole Kops
- Department of Orthopaedics, Erasmus Medical Centre, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
| | - Jan H. Waarsing
- Department of Orthopaedics, Erasmus Medical Centre, Wytemaweg 80, 3015 CN Rotterdam, The Netherlands
| | - Rene van Weeren
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Yalelaan 1, 3584 CL Utrecht, The Netherlands
| | - Wim E. Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Universiteitsweg 99, 3512 JE Utrecht, The Netherlands
| | - Harrie Weinans
- Department of Orthopaedics and Department of Rheumatology, UMC Utrecht, Heidelberglaan 100, 3584 CX Utrecht, The Netherlands
- Department of Biomechanical Engineering, TUDelft, Mekelweg 2, 2628 CD Delft, The Netherlands
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20
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de Visser HM, Korthagen NM, Müller C, Ramakers RM, Krijger GC, Lafeber FPJG, Beekman FJ, Mastbergen SC, Weinans H. Imaging of Folate Receptor Expressing Macrophages in the Rat Groove Model of Osteoarthritis: Using a New DOTA-Folate Conjugate. Cartilage 2018; 9:183-191. [PMID: 29096521 PMCID: PMC5871123 DOI: 10.1177/1947603517738073] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Objective To evaluate the presence and localization of folate receptor expressing macrophages in the rat groove model of osteoarthritis and determine the suitability of a new folate conjugate with albumin-binding entity (cm09) for in vivo SPECT (single-photon emission computed tomography) analysis. Design In male Wistar rats, local cartilage damage was induced in addition to a standard ( n = 10) or high-fat diet ( n = 6). After 12 weeks, 111In labeled folate conjugates were administered, and SPECT/CT (computed tomography) imaging was performed after 24 hours. Subsequently, osteoarthritis severity and folate receptor expression were assessed using (immuno)-histological sections. Results In vivo SPECT/CT imaging of the new folate conjugate (cm09) was as useful as a folate conjugate without albumin-binding entity in the groove model of osteoarthritis with less renal accumulation. Induction of cartilage damage on a standard diet resulted in no effect on the amount of folate receptor expressing macrophages compared with the contralateral sham operated joints. In contrast, inducing cartilage damage in the high-fat diet group resulted in 28.4% increase of folate receptor expression as compared with the nondamaged control joints. Folate receptor expressing cells were predominantly present in the synovial lining and in subchondral bone as confirmed by immunohistochemistry. Conclusions Folate receptor expression, and thus macrophage activation, can clearly be demonstrated in vivo, in small animal models of osteoarthritis using the new 111In-folate conjugate with specific binding to the folate receptor. Increased macrophage activity only plays a role in the groove model of osteoarthritis when applied in a high-fat diet induced dysmetabolic condition, which is in line with the higher inflammatory state of that specific model.
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Affiliation(s)
- Huub M. de Visser
- Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Nicoline M. Korthagen
- Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands
| | - Cristina Müller
- Centre for Radiopharmaceutical Sciences ETH-PSI-USZ, Paul Scherrer Institute, Villigen-PSI, Switzerland
| | - Ruud M. Ramakers
- MILabs B.V., Utrecht, The Netherlands,Section of Radiation, Detection & Medical Imaging, Applied Sciences, Delft University of Technology, Delft, The Netherlands,Department for Translational Neuroscience, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Gerard C. Krijger
- Department of Nuclear Medicine, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Floris P. J. G. Lafeber
- Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Freek J. Beekman
- MILabs B.V., Utrecht, The Netherlands,Section of Radiation, Detection & Medical Imaging, Applied Sciences, Delft University of Technology, Delft, The Netherlands,Department for Translational Neuroscience, Brain Center Rudolf Magnus, University Medical Center Utrecht, Utrecht, The Netherlands
| | - Simon C. Mastbergen
- Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands,Simon C. Mastbergen, Department of Rheumatology & Clinical Immunology, UMC Utrecht, F.02.127, PO Box 85500, 3508 GA Utrecht, The Netherlands.
| | - Harrie Weinans
- Department of Rheumatology and Clinical Immunology, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Orthopaedics, University Medical Center Utrecht, Utrecht, The Netherlands,Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands
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21
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Moshtagh PR, Korthagen NM, Plomp SG, Pouran B, Castelein RM, Zadpoor AA, Weinans H. Early Signs of Bone and Cartilage Changes Induced by Treadmill Exercise in Rats. JBMR Plus 2018; 2:134-142. [PMID: 30283898 DOI: 10.1002/jbm4.10029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 12/02/2017] [Accepted: 12/12/2017] [Indexed: 12/14/2022] Open
Abstract
This study aims to investigate the earliest alterations of bone and cartilage tissues as a result of different exercise protocols in the knee joint of Wistar rats. We hypothesize that pretraining to a continuous intense running protocol would protect the animals from cartilage degeneration. Three groups of animals were used: (i) an adaptive (pretraining) running group that ran for 8 weeks with gradually increasing velocity and time of running followed by a constant running program (6 weeks of 1.12 km/hour running per day); (ii) a non-adaptive running (constant running) group that initially rested for 8 weeks followed by 6 weeks of constant running; and (iii) a non-running (control) group. At weeks 8, 14, and 20 bone and cartilage were analyzed. Both running groups developed mild symptoms of cartilage irregularities, such as chondrocyte hypertrophy and cell clustering in different cartilage zones, in particular after the adaptive running protocol. As a result of physical training in the adaptive running exercise a dynamic response of bone was detected at week 8, where bone growth was enhanced. Conversely, the thickness of epiphyseal trabecular and subchondral bone (at week 14) was reduced due to the constant running in the period between 8 and 14 weeks. Finally, the intermediate differences between the two running groups disappeared after both groups had a resting period (from 14 to 20 weeks). The adaptive running group showed an increase in aggrecan gene expression and reduction of MMP2 expression after the initial 8 weeks running. Thus, the running exercise models in this study showed mild bone and cartilage/chondrocyte alterations that can be considered as early-stage osteoarthritis. The pretraining adaptive protocol before constant intense running did not protect from mild cartilage degeneration. © 2017 The Authors. JBMR Plus is published by Wiley Periodicals, Inc. on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Parisa R Moshtagh
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Nicoline M Korthagen
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Utrecht The Netherlands
| | - Saskia G Plomp
- Department of Equine Sciences Faculty of Veterinary Medicine Utrecht University Utrecht The Netherlands
| | - Behdad Pouran
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Rene M Castelein
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands
| | - Amir A Zadpoor
- Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands
| | - Harrie Weinans
- Department of Orthopaedics University Medical Center Utrecht Utrecht The Netherlands.,Faculty of Mechanical, Maritime, and Materials Engineering Delft University of Technology (TU Delft), Delft The Netherlands.,Department of Rheumatology University Medical Center Utrecht Utrecht The Netherlands
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22
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Wan FY, Yue JA, Guo WS, Ma LY, Yan R, Zhang QD, Cheng LM. Glycosaminoglycan Content of the Lateral Compartment Cartilage in Knees Conforming to the Indications for Oxford Medial Unicompartmental Knee Arthroplasty. Chin Med J (Engl) 2018; 131:194-199. [PMID: 29336368 PMCID: PMC5776850 DOI: 10.4103/0366-6999.222321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background: The quality of the lateral compartment cartilage is important to preoperative evaluation and prognostic prediction of unicompartmental knee arthroplasty (UKA). Delayed gadolinium-enhanced magnetic resonance imaging of cartilage (dGEMRIC) enables noninvasive assessment of glycosaminoglycan (GAG) content in cartilage. This study aimed to determine the GAG content of the lateral compartment cartilage in knees scheduled to undergo Oxford medial UKA. Methods: From December 2016 to May 2017, twenty patients (20 osteoarthritic knees) conforming to the indications for Oxford medial UKA were included as the osteoarthritis (OA) group, and 20 healthy volunteers (20 knees) paired by sex, knee side, age (±3 years), and body mass index (BMI) (±3 kg/m2) were included as the control group. The GAG contents of the weight-bearing femoral cartilage (wbFC), the posterior non-weight-bearing femoral cartilage (pFC), the lateral femoral cartilage (FC), and tibial cartilage (TC) were detected using dGEMRIC. The dGEMRIC indices (T1Gd) were calculated in the middle three consecutive slices of the lateral compartment. Paired t-tests were used to compare the T1Gd in each region of interest between the OA group and control group. Results: The average age and BMI in the two groups were similar. In the OA group, T1Gd of FC and TC was 386.7 ± 50.7 ms and 429.6 ± 59.9 ms, respectively. In the control group, T1Gd of FC and TC was 397.5 ± 52.3 ms and 448.6 ± 62.5 ms, respectively. The respective T1Gd of wbFC and pFC was 380.0 ± 47.8 ms and 391.0 ± 66.3 ms in the OA group and 400.3 ± 51.5 ms and 393.6 ± 57.9 ms in the control group. Although the T1Gd of wbFC and TC tended to be lower in the OA group than the control group, there was no significant difference between groups in the T1Gd in any of the analyzed cartilage regions (P value of wbFC, pFC, FC, and TC was 0.236, 0.857, 0.465, and 0.324, respectively). Conclusions: The GAG content of the lateral compartment cartilage in knees conforming to indications for Oxford medial UKA is similar with those of age- and BMI-matched participants without OA.
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Affiliation(s)
- Fu-Yin Wan
- Department of Bone and Joint Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, China
| | - Ju-An Yue
- Department of Bone and Joint, Beijing University of Chinese Medicine, Beijing 100029, China
| | - Wan-Shou Guo
- Department of Bone and Joint Surgery, Peking University China-Japan Friendship School of Clinical Medicine; Department of Bone and Joint Surgery, China-Japan Friendship Hospital, Beijing 100029, China
| | - Lu-Yao Ma
- Department of Bone and Joint Surgery, Peking University China-Japan Friendship School of Clinical Medicine, Beijing 100029, China
| | - Ran Yan
- Department of Radiology, China-Japan Friendship Hospital, Beijing 100029, China
| | - Qi-Dong Zhang
- Department of Bone and Joint Surgery, China-Japan Friendship Hospital, Beijing 100029, China
| | - Li-Ming Cheng
- Department of Bone and Joint Surgery, China-Japan Friendship Hospital, Beijing 100029, China
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23
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Yousefi F, Kim M, Nahri SY, Mauck RL, Pleshko N. Near-Infrared Spectroscopy Predicts Compositional and Mechanical Properties of Hyaluronic Acid-Based Engineered Cartilage Constructs. Tissue Eng Part A 2018; 24:106-116. [PMID: 28398127 PMCID: PMC5770116 DOI: 10.1089/ten.tea.2017.0035] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 04/03/2017] [Indexed: 11/12/2022] Open
Abstract
Hyaluronic acid (HA) has been widely used for cartilage tissue engineering applications. However, the optimal time point to harvest HA-based engineered constructs for cartilage repair is still under investigation. In this study, we investigated the ability of a nondestructive modality, near-infrared spectroscopic (NIR) analysis, to predict compositional and mechanical properties of HA-based engineered cartilage constructs. NIR spectral data were collected from control, unseeded constructs, and twice per week by fiber optic from constructs seeded with chondrocytes during their development over an 8-week period. Constructs were harvested at 2, 4, 6, and 8 weeks, collagen and sulfated glycosaminoglycan content measured using biochemical assays, and the mechanical properties of the constructs evaluated using unconfined compression tests. NIR absorbances associated with the scaffold material, water, and engineered cartilage matrix, were identified. The NIR-determined matrix absorbance plateaued after 4 weeks of culture, which was in agreement with the biochemical assay results. Similarly, the mechanical properties of the constructs also plateaued at 4 weeks. A multivariate partial least square model based on NIR spectral input was developed to predict the moduli of the constructs, which resulted in a prediction error of 10% and R value of 0.88 for predicted versus actual values of dynamic modulus. Furthermore, the maximum increase in moduli was calculated from the first derivative of the curve fit of NIR-predicted and actual moduli values over time, and both occurred at ∼2 weeks. Collectively, these data suggest that NIR spectral data analysis could be an alternative to destructive biochemical and mechanical methods for evaluation of HA-based engineered cartilage construct properties.
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Affiliation(s)
- Farzad Yousefi
- Tissue Imaging and Spectroscopy Lab, Department of Bioengineering, Temple University, Philadelphia, Pennsylvania
| | - Minwook Kim
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Syeda Yusra Nahri
- Tissue Imaging and Spectroscopy Lab, Department of Bioengineering, Temple University, Philadelphia, Pennsylvania
| | - Robert L. Mauck
- Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
- Department of Bioengineering, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Nancy Pleshko
- Tissue Imaging and Spectroscopy Lab, Department of Bioengineering, Temple University, Philadelphia, Pennsylvania
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24
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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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25
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Song Y, Xu K, Yu C, Dong L, Chen P, Lv Y, Chiang MY, Li L, Liu W, Yang L. The use of mechano growth factor to prevent cartilage degeneration in knee osteoarthritis. J Tissue Eng Regen Med 2017; 12:738-749. [DOI: 10.1002/term.2493] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 05/02/2017] [Accepted: 06/05/2017] [Indexed: 12/13/2022]
Affiliation(s)
- Yang Song
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
- Biosystems and Biomaterials DivisionNational Institute of Standards and Technology Gaithersburg MD USA
| | - Kang Xu
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
- Department of BioengineeringUniversity of California, Berkeley Berkeley CA USA
| | - Can Yu
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
| | - Lili Dong
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
| | - Peixing Chen
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
| | - Yonggang Lv
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
| | - Martin Y.M. Chiang
- Biosystems and Biomaterials DivisionNational Institute of Standards and Technology Gaithersburg MD USA
| | - Linhao Li
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical EngineeringBeihang University Beijing China
| | - Wanqian Liu
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
| | - Li Yang
- 111 Project Laboratory of Biomechanics and Tissue Repair, Bioengineering CollegeChongqing University Chongqing China
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26
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Impact of a daily exercise dose on knee joint cartilage - a systematic review and meta-analysis of randomized controlled trials in healthy animals. Osteoarthritis Cartilage 2017; 25:1223-1237. [PMID: 28323138 DOI: 10.1016/j.joca.2017.03.009] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 03/04/2017] [Accepted: 03/09/2017] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To investigate the impact of a daily exercise dose on cartilage composition and thickness, by conducting a systematic review of randomized controlled trials (RCTs) involving healthy animals. METHODS A narrative synthesis of the effect of a daily exercise dose on knee cartilage aggrecan, collagen and thickness was performed. A subset of studies reporting sufficient data was combined in meta-analysis using a random-effects model. Meta-regression analyses were performed to investigate the impact of covariates. RESULTS Twenty-nine RCTs, involving 64 comparisons, were included. In the low dose exercise group, 21/25 comparisons reported decreased or no effect on cartilage aggrecan, collagen and thickness. In the moderate dose exercise group, all 12 comparisons reported either no or increased effect. In the high dose exercise group, 19/27 comparisons reported decreased effect. A meta-analysis of 14 studies investigating cartilage thickness showed no effect in the low dose exercise group (SMD -0.02; 95% CI -0.42 to 0.38; I2 = 0.0%), large but non-significant cartilage thickening in the moderate dose exercise group (SMD 0.95; 95% CI -0.33 to 2.23; I2 = 72.1%) and non-significant cartilage thinning in the high dose exercise group (SMD -0.19; 95% CI -0.49 to 0.12; I2 = 0.0%). Results were independent of analyzed covariates. The overall quality of the studies was poor because of inadequate reporting of data and high risk of bias. CONCLUSIONS Our results suggest that the relationship between daily exercise dose and cartilage composition, but not necessarily cartilage thickness, may be non-linear. While we found inconclusive evidence for a low daily dose of exercise, a high daily dose of exercise may have negative effects and a moderate daily dose of exercise may have positive effects on cartilage matrix composition in healthy animals.
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27
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The effects of different frequency treadmill exercise on lipoxin A4 and articular cartilage degeneration in an experimental model of monosodium iodoacetate-induced osteoarthritis in rats. PLoS One 2017; 12:e0179162. [PMID: 28594958 PMCID: PMC5464632 DOI: 10.1371/journal.pone.0179162] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 05/24/2017] [Indexed: 11/29/2022] Open
Abstract
The aim was to investigate the effects of different frequencies treadmill exercise with total exercise time being constancy on articular cartilage, lipoxin A4 (LXA4) and the NF-κB pathway in rat model of monosodium iodoacetate-induced osteoarthritis (OA). Fifty male Sprague-Dawley rats were randomly divided into five groups (n = 10): controls (CG), knee OA model (OAG), OA + treadmill exercise once daily (OAE1), OA + treadmill exercise twice daily, rest interval between exercise>4h (OAE2) and OA + treadmill exercise three times daily, rest interval between exercise>4h (OAE3). Rats were evaluated after completing the treadmill exercise program (speed, 18 m/min; total exercise time 60 min/day; 5 days/week for 8 weeks). Interleukin (IL)-1β, tumor necrosis factor (TNF)-α, and LXA4 in serum and intra-articular lavage fluid were measured by ELISA. Changes in articular cartilage were evaluated by histology, immunohistochemistry, western blotting and quantitative real-time-PCR. LXA4 in the serum and intra-articular lavage fluid increased in all OAE groups, and histological evaluation indicated that the OAE3 group had the best treatment response. The expression of COL2A1 and IκB-β in articular cartilage increased in all OAE groups vs the OAG group, whereas expression of IL-1β, TNF-α, matrix metalloproteinase (MMP)-13, and NF-κB p65 was reduced in all OAE groups compared with the OAG. Under the condition of 60 min treadmill exercise with moderate-intensity, to fulfill in three times would have better chondroprotective effects than to fulfill in two or one time on monosodium iodoacetate-induced OA in rats. And it may be worked through the anti-inflammatory activity of LXA4 and the NF-κB pathway.
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28
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Iijima H, Ito A, Nagai M, Tajino J, Yamaguchi S, Kiyan W, Nakahata A, Zhang J, Wang T, Aoyama T, Nishitani K, Kuroki H. Physiological exercise loading suppresses post-traumatic osteoarthritis progression via an increase in bone morphogenetic proteins expression in an experimental rat knee model. Osteoarthritis Cartilage 2017; 25:964-975. [PMID: 27965139 DOI: 10.1016/j.joca.2016.12.008] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2016] [Revised: 11/01/2016] [Accepted: 12/06/2016] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To evaluate the dose-response relationship of exercise loading in the cartilage-subchondral bone (SB) unit in surgically-induced post-traumatic osteoarthritis (PTOA) of the knee. DESIGN Destabilized medial meniscus (DMM) surgery was performed on the right knee of 12-week-old male Wistar rats, and sham surgery was performed on the contralateral knee. Four weeks after the surgery, the animals were subjected to moderate (12 m/min) or intense (21 m/min) treadmill exercises for 30 min/day, 5 days/week for 4 weeks. PTOA development in articular cartilage and SB was examined using histological and immunohistochemical analyses, micro-computed tomography (micro-CT) analysis, and biomechanical testing at 8 weeks after surgery. Gremlin-1 was injected to determine the role of bone morphogenetic protein (BMP) signaling on PTOA development following moderate exercise. RESULTS Moderate exercise increased BMP-2, BMP-4, BMP-6, BMP receptor 2, pSmad-5, and inhibitor of DNA binding protein-1 expression in the superficial zone chondrocytes and suppressed cartilage degeneration, osteophyte growth, SB damage, and osteoclast-mediated SB resorption. However, intense exercise had little effect on BMP expression and even caused progression of these osteoarthritis (OA) changes. Gremlin-1 injection following moderate exercise caused progression of the PTOA development down to the level of the non-exercise DMM-operated knee. CONCLUSIONS Exercise regulated cartilage-SB PTOA development in DMM-operated knees in a dose-dependent manner. Our findings shed light on the important role of BMP expression in superficial zone chondrocytes in attenuation of PTOA development following physiological exercise loading. Further studies to support a mechanism by which BMPs would be beneficial in preventing PTOA progression are warranted.
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Affiliation(s)
- H Iijima
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Japan Society for the Promotion of Science, Tokyo, Japan.
| | - A Ito
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - M Nagai
- Congenital Anomaly Research Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - J Tajino
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - S Yamaguchi
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - W Kiyan
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - A Nakahata
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - J Zhang
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - T Wang
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - T Aoyama
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - K Nishitani
- Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - H Kuroki
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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The Association of Recreational and Competitive Running With Hip and Knee Osteoarthritis: A Systematic Review and Meta-analysis. J Orthop Sports Phys Ther 2017; 47:373-390. [PMID: 28504066 DOI: 10.2519/jospt.2017.7137] [Citation(s) in RCA: 70] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Study Design Systematic review and meta-analysis. Background Running is a healthy and popular activity worldwide, but data regarding its association with osteoarthritis (OA) are conflicting. Objectives To evaluate the association of hip and knee OA with running and to explore the influence of running intensity on this association. Methods PubMed, Embase, and Cochrane Library databases were used to identify studies investigating the occurrence of OA of the hip and/or knee among runners. A meta-analysis of studies comparing this occurrence between runners and controls (sedentary, nonrunning individuals) was conducted. Runners were regarded as "competitive" if they were reported as professional/elite athletes or participated in international competitions. Recreational runners were individuals running in a nonprofessional (amateur) context. The prevalence rate and odds ratio (with 95% confidence interval [CI]) for OA between runners (at competitive and recreational levels) and controls were calculated. Subgroup analyses were conducted for OA location (hip or knee), sex, and years of exposure to running (less or more than 15 years). Results Twenty-five studies (n = 125810 individuals) were included and 17 (n = 114829 individuals) were meta-analyzed. The overall prevalence of hip and knee OA was 13.3% (95% CI: 11.6%, 15.2%) in competitive runners, 3.5% (95% CI: 3.4%, 3.6%) in recreational runners, and 10.2% (95% CI: 9.9%, 10.6%) in controls. The odds ratio for hip and/or knee OA in competitive runners was higher than that in recreational runners (1.34; 95% CI: 0.97, 1.86 and 0.86; 95% CI: 0.69, 1.07, respectively; controls as reference group; for difference, P<.001). Exposure to running of less than 15 years was associated with a lower association with hip and/or knee OA compared with controls (OR = 0.6; 95% CI: 0.49, 0.73). Conclusion Recreational runners had a lower occurrence of OA compared with competitive runners and controls. These results indicated that a more sedentary lifestyle or long exposure to high-volume and/or high-intensity running are both associated with hip and/or knee OA. However, it was not possible to determine whether these associations were causative or confounded by other risk factors, such as previous injury. Level of Evidence Etiology/harm, level 2a. J Orthop Sports Phys Ther 2017;47(6):373-390. doi:10.2519/jospt.2017.7137.
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30
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Saito R, Muneta T, Ozeki N, Nakagawa Y, Udo M, Yanagisawa K, Tsuji K, Tomita M, Koga H, Sekiya I. Strenuous running exacerbates knee cartilage erosion induced by low amount of mono-iodoacetate in rats. BMC Musculoskelet Disord 2017; 18:36. [PMID: 28122526 PMCID: PMC5264323 DOI: 10.1186/s12891-017-1393-8] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/13/2016] [Accepted: 01/11/2017] [Indexed: 12/30/2022] Open
Abstract
Background It is still debated whether strenuous running in the inflammatory phase produces beneficial or harmful effect in rat knees. We examined (1) the dropout rate of rats during a 30-km running protocol, (2) influences of strenuous running and/or low amounts of mono-iodoacetate injection on cartilage, and (3) the effect of strenuous running on synovitis. Methods Rats were forced to run 30 km over 6 weeks and the dropout rate was examined. One week after 0.1 mg mono-iodoacetate was injected into the right knee, rats were forced to run either 15 km or not run at all over 3 weeks, after which knee cartilage was evaluated. Synovium at the infrapatellar fat pad was also examined histologically. Results Even though all 12 rats run up to 15 km, only 6 rats completed 30 km of running. Macroscopically, 0.1 mg mono-iodoacetate induced erosion at the tibial cartilage irrespective of 15 km of running. Histologically, 0.1 mg mono-iodoacetate induced loss of cartilage matrix in the tibial cartilage, and an additional 15 km of strenuous running significantly exacerbated the loss. Synovitis caused by mono-iodoacetate improved after running. Conclusions Only 50% of rats completed 30 km of running because of foot problems. Strenuous running further exacerbated tibial cartilage erosion but did not influence synovitis induced by mono-iodoacetate.
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Affiliation(s)
- Ryusuke Saito
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Takeshi Muneta
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Yusuke Nakagawa
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan.,Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Mio Udo
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Katsuaki Yanagisawa
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kunikazu Tsuji
- Department of Cartilage Regeneration, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Makoto Tomita
- Clinical Research Center, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Graduate School of Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
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Sandker MJ, Duque LF, Redout EM, Chan A, Que I, Löwik CWGM, Klijnstra EC, Kops N, Steendam R, van Weeren R, Hennink WE, Weinans H. Degradation, intra-articular retention and biocompatibility of monospheres composed of [PDLLA-PEG-PDLLA]-b-PLLA multi-block copolymers. Acta Biomater 2017; 48:401-414. [PMID: 27816621 DOI: 10.1016/j.actbio.2016.11.003] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 10/02/2016] [Accepted: 11/01/2016] [Indexed: 12/26/2022]
Abstract
In this study, we investigated the use of microspheres with a narrow particle size distribution ('monospheres') composed of biodegradable poly(DL-lactide)-PEG-poly(DL-lactide)-b-poly(L-lactide) multiblock copolymers that are potentially suitable for local sustained drug release in articular joints. Monospheres with sizes of 5, 15 and 30μm and a narrow particle size distribution were prepared by a micro-sieve membrane emulsification process. During in vitro degradation, less crystallinity, higher swelling and accelerated mass loss during was observed with increasing the PEG content of the polymer. The monospheres were tested in both a small (mice/rat) and large animal model (horse). In vivo imaging after injection with fluorescent dye loaded microspheres in mice knees showed that monospheres of all sizes retained within the joint for at least 90days, while the same dose of free dye redistributed to the whole body within the first day after intra-articular injection. Administration of monospheres in equine carpal joints caused a mild transient inflammatory response without any clinical signs and without degradation of the cartilage, as evidenced by the absence of degradation products of sulfated glycosaminoglycans or collagen type 2 in the synovial fluid. The excellent intra-articular biocompatibility was confirmed in rat knees, where μCT-imaging and histology showed neither changes in cartilage quality nor quantity. Given the good intra-articular retention and the excellent biocompatibility, these novel poly(DL-lactide)-PEG-poly(DL-lactide)-b-poly(L-lactide)-based monospheres can be considered a suitable platform for intra-articular drug delivery. STATEMENT OF SIGNIFICANCE This paper demonstrates the great potential in intra-articular drug delivery of monodisperse biodegradable microspheres which were prepared using a new class of biodegradable multi-block copolymers and a unique membrane emulsification process allowing the preparation of microspheres with a narrow particle size distribution (monospheres) leading to multiple advantages like better injectability, enhanced reproducibility and predictability of the in vivo release kinetics. We report not only on the synthesis and preparation, but also in vitro characterization, followed by in vivo testing of intra-articular biocompatibility of the monospheres in both a small and a large animal model. The favourable intra-articular biocompatibility combined with the prolonged intra-articular retention (>90days) makes these monospheres an interesting drug delivery platform. What should also be highlighted is the use of horses; a very accurate translational model for the human situation, making the results not only relevant for equine healthcare, but also for the development of novel human OA therapies.
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Affiliation(s)
- Maria J Sandker
- Department of Orthopaedics, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands.
| | - Luisa F Duque
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands.
| | - Everaldo M Redout
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, P.O. Box 80163, 3508 TD Utrecht, The Netherlands.
| | - Alan Chan
- Percuros B.V., P.O. Box 217, 7500 AE Enschede, The Netherlands.
| | - Ivo Que
- Department of Radiology, Leiden University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands.
| | - Clemens W G M Löwik
- Department of Radiology, Leiden University Medical Center, P.O. Box 9600, 2300 RC Leiden, The Netherlands.
| | - Evelien C Klijnstra
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands.
| | - Nicole Kops
- Department of Orthopaedics, Erasmus Medical Center, P.O. Box 2040, 3000 CA Rotterdam, The Netherlands.
| | - Rob Steendam
- InnoCore Pharmaceuticals, L.J. Zielstraweg 1, 9713 GX Groningen, The Netherlands.
| | - Rene van Weeren
- Department of Equine Sciences, Faculty of Veterinary Medicine, Utrecht University, P.O. Box 80163, 3508 TD Utrecht, The Netherlands.
| | - Wim E Hennink
- Department of Pharmaceutics, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Postbus 80082, 3508 TB Utrecht, The Netherlands.
| | - Harrie Weinans
- Department of Orthopaedics and Department of Rheumatology, UMC Utrecht, P.O. Box 85500, 3508 GA Utrecht, The Netherlands; Department of Biomechanical Engineering TUDelft, Mekelweg 2, 2628 CD Delft, The Netherlands.
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Young IC, Chuang ST, Hsu CH, Sun YJ, Lin FH. C-phycocyanin alleviates osteoarthritic injury in chondrocytes stimulated with H 2 O 2 and compressive stress. Int J Biol Macromol 2016; 93:852-859. [DOI: 10.1016/j.ijbiomac.2016.09.051] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Revised: 09/12/2016] [Accepted: 09/15/2016] [Indexed: 01/08/2023]
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Iijima H, Aoyama T, Tajino J, Ito A, Nagai M, Yamaguchi S, Zhang X, Kiyan W, Kuroki H. Subchondral plate porosity colocalizes with the point of mechanical load during ambulation in a rat knee model of post-traumatic osteoarthritis. Osteoarthritis Cartilage 2016; 24:354-63. [PMID: 26376125 DOI: 10.1016/j.joca.2015.09.001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2015] [Revised: 08/21/2015] [Accepted: 09/02/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE This study investigated the association between spatiotemporal cartilage-subchondral bone plate alterations and mechanical load during ambulation in an experimental rat model of destabilized medial meniscus (DMM). DESIGN Twelve-week-old Wistar rats (n = 38) underwent DMM surgery on the right knee and sham surgery on the left knee. At 2 and 4 weeks after surgery, subchondral bone changes were evaluated via micro-computed tomography with various knee flexion angles to simulate weight-bearing during rat ambulation under a 3-dimensional motion capture apparatus. Additionally, the biomechanical properties, histology, and ultrastructure of the medial tibia and femoral condyle were evaluated. RESULTS Focal subchondral bone plate perforations were confirmed in the medial tibia within 2 weeks after surgery and were aggravated rapidly 2 weeks later. This subchondral plate porosity colocalized with articular cartilage lesions as confirmed by histology and scanning electron microscopy, and coincided with the likely point of contact between the posterior femoral condyle and tibial plateau during ambulation. Biomechanical properties were confirmed at the medial tibia, at which stiffness was reduced to approximately half that of the sham-operated knee at 4 weeks after surgery. CONCLUSIONS Cartilage-subchondral bone plate alterations localized in the region of the point of mechanical load during ambulation in DMM-operated knees, at which the mechanical integrity of cartilage was impaired. These results indicate that DMM-induced increases in mechanical load play an important role in the pathogenesis of early post-traumatic osteoarthritis (OA), and it might accelerate the development of the disease via cartilage-subchondral bone plate crosstalk through increased subchondral plate perforations.
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Affiliation(s)
- H Iijima
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Japan Society for the Promotion of Science, Tokyo, Japan.
| | - T Aoyama
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - J Tajino
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - A Ito
- Japan Society for the Promotion of Science, Tokyo, Japan; Department of Orthopaedic Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - M Nagai
- Congenital Anomaly Research Center, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - S Yamaguchi
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan; Japan Society for the Promotion of Science, Tokyo, Japan.
| | - X Zhang
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - W Kiyan
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
| | - H Kuroki
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Kyoto, Japan.
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Nondestructive Assessment of Engineered Cartilage Composition by Near Infrared Spectroscopy. Ann Biomed Eng 2016; 44:680-92. [PMID: 26817457 DOI: 10.1007/s10439-015-1536-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2015] [Accepted: 12/14/2015] [Indexed: 10/22/2022]
Abstract
Tissue engineering presents a strategy to overcome the limitations of current tissue healing methods. Scaffolds, cells, external growth factors and mechanical input are combined in an effort to obtain constructs with properties that mimic native tissues. However, engineered constructs developed using similar culture environments can have very different matrix composition and biomechanical properties. Accordingly, a nondestructive technique to assess constructs during development such that appropriate compositional endpoints can be defined is desirable. Near infrared spectroscopy (NIRS) analysis is a modality being investigated to address the challenges associated with current evaluation techniques, which includes nondestructive compositional assessment. In the present study, cartilage tissue constructs were grown using chondrocytes seeded onto polyglycolic acid (PGA) scaffolds in similar environments in three separate tissue culture experiments and monitored using NIRS. Multivariate partial least squares (PLS) analysis models of NIR spectra were calculated and used to predict tissue composition, with biochemical assay information used as the reference data. Results showed that for combined data from all tissue culture experiments, PLS models were able to assess composition with significant correlations to reference values, including engineered cartilage water (at 5200 cm(-1), R = 0.68, p = 0.03), proteoglycan (at 4310 cm(-1), R = 0.82, p = 0.007), and collagen (at 4610 cm(-1), R = 0.84, p = 0.005). In addition, degradation of PGA was monitored using specific NIRS frequencies. These results demonstrate that NIR spectroscopy combined with multivariate analysis provides a nondestructive modality to assess engineered cartilage, which could provide information to determine the optimal time for tissue harvest for clinical applications.
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Siebelt M, Korthagen N, Wei W, Groen H, Bastiaansen-Jenniskens Y, Müller C, Waarsing JH, de Jong M, Weinans H. Triamcinolone acetonide activates an anti-inflammatory and folate receptor-positive macrophage that prevents osteophytosis in vivo. Arthritis Res Ther 2015; 17:352. [PMID: 26637220 PMCID: PMC4670534 DOI: 10.1186/s13075-015-0865-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 11/18/2015] [Indexed: 11/17/2022] Open
Abstract
Introduction Triamcinolone acetonide (TA) is used for osteoarthritis management to reduce pain, and pre-clinical studies have shown that TA limits osteophyte formation. Osteophyte formation is known to be facilitated by synovial macrophage activation. TA injections might influence macrophage activation and subsequently reduce osteophytosis. Although widely applied in clinical care, the mechanism through which TA exerts this effect remains unknown. In this animal study, we investigated the in vivo effects of TA injections on macrophage activation, osteophyte development and joint degeneration. Furthermore, in vitro macrophage differentiation experiments were conducted to further explain working mechanisms of TA effects found in vivo. Methods Osteoarthritis was induced in rat knees using papain injections and a running protocol. Untreated and TA-treated animals were longitudinally monitored for 12 weeks with in vivo micro–computed tomography (μCT) to measure subchondral bone changes. Synovial macrophage activation was measured in vivo using folate receptor β (FRβ)-targeted single-photon emission computed tomography/computed tomography. Articular cartilage was analyzed at 6 and 12 weeks with ex vivo contrast-enhanced μCT and histology. To further explain the outcomes of our in vivo study, TA on macrophages was also studied in vitro. These cultured macrophages were either M1- or M2-activated, and they were analyzed using fluorescence-activated cell sorting for CD163 and FRβ expression as well as for messenger RNA (mRNA) expression of interleukin (IL)-10. Results Our in vivo study showed that intra-articular injections with TA strongly enhanced FRβ+ macrophage activation. Despite stimulated macrophage activation, osteophyte formation was fully prevented. There was no beneficial effect of TA against cartilage degradation or subchondral bone sclerosis. In vitro macrophage cultures showed that TA strongly induced monocyte differentiation towards CD163+ and FRβ+ macrophages. Furthermore, TA-stimulated M2 macrophages showed enhanced IL-10 expression at the mRNA level. Conclusions TA injections potently induce a CD163+- and FRβ+-activated macrophage with anti-inflammatory characteristics such as reduced IL-10 production in vitro and lack of osteophytosis in vivo.
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Affiliation(s)
- Michiel Siebelt
- Department of Orthopaedics, Erasmus Medical Centre, P.O. Box 2040, 3000, CA, Rotterdam, The Netherlands. .,Department of Otorhinolaryngology, Erasmus Medical Centre, Rotterdam, The Netherlands.
| | - Nicoline Korthagen
- Department Orthopaedics, UMC Utrecht, Utrecht, The Netherlands. .,Department Rheumatology, UMC Utrecht, Utrecht, The Netherlands.
| | - Wu Wei
- Department of Orthopaedics, Erasmus Medical Centre, P.O. Box 2040, 3000, CA, Rotterdam, The Netherlands.
| | - Harald Groen
- Department of Nuclear Medicine, Erasmus Medical Centre, Rotterdam, The Netherlands.
| | | | - Christina Müller
- Centre for Radiopharmaceutical Sciences, Swiss Federal Institute of Technology (ETH) Zurich, Paul Scherrer Institute, University Hospital Zurich, Villigen, Switzerland.
| | - Jan Hendrik Waarsing
- Department of Orthopaedics, Erasmus Medical Centre, P.O. Box 2040, 3000, CA, Rotterdam, The Netherlands.
| | - Marion de Jong
- Department Rheumatology, UMC Utrecht, Utrecht, The Netherlands. .,Department of Radiology, Erasmus Medical Centre, Rotterdam, The Netherlands.
| | - Harrie Weinans
- Department Orthopaedics, UMC Utrecht, Utrecht, The Netherlands. .,Department Rheumatology, UMC Utrecht, Utrecht, The Netherlands. .,Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands.
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Regnaux J, Lefevre‐Colau M, Trinquart L, Nguyen C, Boutron I, Brosseau L, Ravaud P. High-intensity versus low-intensity physical activity or exercise in people with hip or knee osteoarthritis. Cochrane Database Syst Rev 2015; 2015:CD010203. [PMID: 26513223 PMCID: PMC9270723 DOI: 10.1002/14651858.cd010203.pub2] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
BACKGROUND Exercise or physical activity is recommended for improving pain and functional status in people with knee or hip osteoarthritis. These are complex interventions whose effectiveness depends on one or more components that are often poorly identified. It has been suggested that health benefits may be greater with high-intensity rather than low-intensity exercise or physical activity. OBJECTIVES To determine the benefits and harms of high- versus low-intensity physical activity or exercise programs in people with hip or knee osteoarthritis. SEARCH METHODS We searched the Cochrane Central Register of Controlled Trials (CENTRAL; issue 06, 2014), MEDLINE (194 8 to June 2014) , EMBASE (198 0 to June 2014), CINAHL (1982 to June 2014), PEDro (1929 to June 2014), SCOPUS (to June 2014) and the World Health Organization (WHO) International Clinical Registry Platform (to June 2014) for articles, without a language restriction. We also handsearched relevant conference proceedings, trials, and reference lists and contacted researchers and experts in the field to identify additional studies. SELECTION CRITERIA We included randomized controlled trials of people with knee or hip osteoarthritis that compared high- versus low-intensity physical activity or exercise programs between the experimental and control group.High-intensity physical activity or exercise programs training had to refer to an increase in the overall amount of training time (frequency, duration, number of sessions) or the amount of work (strength, number of repetitions) or effort/energy expenditure (exertion, heart rate, effort). DATA COLLECTION AND ANALYSIS Two review authors independently assessed study eligibility and extracted data on trial details. We contacted authors for additional information if necessary. We assessed the quality of the body of evidence for these outcomes using the GRADE approach. MAIN RESULTS We included reports for six studies of 656 participants that compared high- and low-intensity exercise programs; five studies exclusively recruited people with symptomatic knee osteoarthritis (620 participants), and one study exclusively recruited people with hip or knee osteoarthritis (36 participants). The majority of the participants were females (70%). No studies evaluated physical activity programs. We found the overall quality of evidence to be low to very low due to concerns about study limitations and imprecision (small number of studies, large confidence intervals) for the major outcomes using the GRADE approach. Most of the studies had an unclear or high risk of bias for several domains, and we judged five of the six studies to be at high risk for performance, detection, and attrition bias.Low-quality evidence indicated reduced pain on a 20-point Western Ontario and McMaster Universities Arthritis Index (WOMAC) pain scale (mean difference (MD) -0.84, 95% confidence interval (CI) -1.63 to -0.04; 4% absolute reduction, 95% CI -8% to 0%; number needed to treat for an additional beneficial outcome (NNTB) 11, 95% CI 14 to 22) and improved physical function on the 68-point WOMAC disability subscale (MD -2.65, 95% CI -5.29 to -0.01; 4% absolute reduction; NNTB 10, 95% CI 8 to 13) immediately at the end of the exercise programs (from 8 to 24 weeks). However, these results are unlikely to be of clinical importance. These small improvements did not continue at longer-term follow-up (up to 40 weeks after the end of the intervention). We are uncertain of the effect on quality of life, as only one study reported this outcome (0 to 200 scale; MD 4.3, 95% CI -6.5 to 15.2; 2% absolute reduction; very low level of evidence).Our subgroup analyses provided uncertain evidence as to whether increased exercise time (duration, number of sessions) and level of resistance (strength or effort) have an impact on the exercise program effects.Three studies reported withdrawals due to adverse events. The number of dropouts was small. Only one study systematically monitored adverse effects, but four studies reported some adverse effects related to knee pain associated with an exercise program. We are uncertain as to whether high intensity increases the number of adverse effects (Peto odds ratio 1.72, 95% CI 0.51 to 5.81; - 2% absolute risk reduction; very low level of evidence). None of the included studies reported serious adverse events. AUTHORS' CONCLUSIONS We found very low-quality to low-quality evidence for no important clinical benefit of high-intensity compared to low-intensity exercise programs in improving pain and physical function in the short term. There was insufficient evidence to determine the effect of different types of intensity of exercise programs.We are uncertain as to whether higher-intensity exercise programs may induce more harmful effects than those of lower intensity; this must be evaluated by further studies. Withdrawals due to adverse events were poorly monitored and not reported systematically in each group. We downgraded the evidence to low or very low because of the risk of bias, inconsistency, and imprecision.The small number of studies comparing high- and low-intensity exercise programs in osteoarthritis underscores the need for more studies investigating the dose-response relationship in exercise programs. In particular, further studies are needed to establish the minimal intensity of exercise programs needed for clinical effect and the highest intensity patients can tolerate. Larger studies should comply with the Consolidated Standards of Reporting Trials (CONSORT) checklist and systematically report harms data to evaluate the potential impact of highest intensities of exercise programs in people with joint damage.
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Affiliation(s)
- Jean‐Philippe Regnaux
- INSERM U1153METHODS teamParisFrance
- EHESP Rennes, Sorbonne Paris CitéParisFrance
- French Cochrane CenterParisFrance
| | - Marie‐Martine Lefevre‐Colau
- French Cochrane CenterParisFrance
- INSERM U1153ECaMO teamParisFrance
- Sorbonne Paris Cité, Faculté de MédecineParis Descartes UniversityParisFrance
- AP‐HP (Assistance Publique des Hôpitaux de Paris), Hôpital CochinRheumatic and musculoskeletal disease Institute, Department of Physical Medicine and Rehabilitation,ParisFrance
| | - Ludovic Trinquart
- Hôpital Hôtel‐DieuFrench Cochrane Centre1 place du Parvis Notre‐DameParisFrance75004
| | - Christelle Nguyen
- Hôpital Cochin, Assistance publique‐Hôpitaux de Paris, Université Paris‐DescartesService de Médecine Physique et de Réadaptation27, Rue du Faubourg Saint‐JacquesParisFrance75014
| | - Isabelle Boutron
- INSERM U1153METHODS teamParisFrance
- French Cochrane CenterParisFrance
- Sorbonne Paris Cité, Faculté de MédecineParis Descartes UniversityParisFrance
- AP‐HP (Assistance Publique des Hôpitaux de Paris), Hôpital Hôtel DieuCentre d'Épidémiologie Clinique1, place du Parvis Notre‐DameParisFrance
| | - Lucie Brosseau
- University of OttawaSchool of Rehabilitation Sciences, Faculty of Health Sciences451 Smyth RoadOttawaONCanadaK1H 8M5
| | - Philippe Ravaud
- INSERM U1153METHODS teamParisFrance
- French Cochrane CenterParisFrance
- Sorbonne Paris Cité, Faculté de MédecineParis Descartes UniversityParisFrance
- AP‐HP (Assistance Publique des Hôpitaux de Paris), Hôpital Hôtel DieuCentre d'Épidémiologie Clinique1, place du Parvis Notre‐DameParisFrance
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Iijima H, Aoyama T, Ito A, Yamaguchi S, Nagai M, Tajino J, Zhang X, Kuroki H. Effects of short-term gentle treadmill walking on subchondral bone in a rat model of instability-induced osteoarthritis. Osteoarthritis Cartilage 2015; 23:1563-74. [PMID: 25916553 DOI: 10.1016/j.joca.2015.04.015] [Citation(s) in RCA: 63] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Revised: 04/04/2015] [Accepted: 04/15/2015] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Subchondral bone cyst (SBC) growth, caused by osteoclast activity during early knee osteoarthritis (OA) pathogenesis, should be treated to prevent further progressions of OA. In the present study, we evaluated the effects of gentle treadmill walking on subchondral bone and cartilage changes in an experimental rat model of destabilized medial meniscus (DMM). METHOD Twelve-week-old Wistar rats underwent DMM surgery in their right knee and sham surgery in their left knee and were assigned to either the sedentary group or walking group (n = 42/group). Animals in the walking group were subjected to treadmill exercise 2 days after surgery, which included walking for 12 m/min, 30 min/day, 5 days/week for 1, 2, and 4 week(s). Subchondral bone and cartilage changes were evaluated by micro-CT analysis, histological analysis, and biomechanical analysis. RESULTS Treadmill walking had a tendency to suppress SBC growth, which was confirmed by micro-CT (P = 0.06) and positive staining for tartrate-resistant acid phosphatase (TRAP) activity for the osteoclast number per bone surface (P = 0.09) 4 weeks after surgery. These changes coincide with the prevention of cartilage degeneration as evaluated by the Osteoarthritis Research Society International (OARSI) score (P < 0.05) and biomechanically softening (P < 0.05). Furthermore, treadmill walking could suppressed increasing osteocyte deaths (P < 0.01), which was positively correlated with the OARSI score (r = 0.77; P < 0.01). CONCLUSION These results indicate biomechanical and biological links exist between cartilage and subchondral bone; preventive effects of treadmill walking on subchondral bone deterioration might be partly explained by the chondroprotective effects.
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Affiliation(s)
- H Iijima
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - T Aoyama
- Department of Development and Rehabilitation of Motor Function, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - A Ito
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - S Yamaguchi
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - M Nagai
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - J Tajino
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - X Zhang
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
| | - H Kuroki
- Department of Motor Function Analysis, Human Health Sciences, Graduate School of Medicine, Kyoto University, Japan.
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Arbabi V, Pouran B, Weinans H, Zadpoor AA. Transport of Neutral Solute Across Articular Cartilage: The Role of Zonal Diffusivities. J Biomech Eng 2015; 137:2210662. [DOI: 10.1115/1.4030070] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2014] [Indexed: 02/02/2023]
Abstract
Transport of solutes through diffusion is an important metabolic mechanism for the avascular cartilage tissue. Three types of interconnected physical phenomena, namely mechanical, electrical, and chemical, are all involved in the physics of transport in cartilage. In this study, we use a carefully designed experimental-computational setup to separate the effects of mechanical and chemical factors from those of electrical charges. Axial diffusion of a neutral solute (Iodixanol) into cartilage was monitored using calibrated microcomputed tomography (micro-CT) images for up to 48 hr. A biphasic-solute computational model was fitted to the experimental data to determine the diffusion coefficients of cartilage. Cartilage was modeled either using one single diffusion coefficient (single-zone model) or using three diffusion coefficients corresponding to superficial, middle, and deep cartilage zones (multizone model). It was observed that the single-zone model cannot capture the entire concentration-time curve and under-predicts the near-equilibrium concentration values, whereas the multizone model could very well match the experimental data. The diffusion coefficient of the superficial zone was found to be at least one order of magnitude larger than that of the middle zone. Since neutral solutes were used, glycosaminoglycan (GAG) content cannot be the primary reason behind such large differences between the diffusion coefficients of the different cartilage zones. It is therefore concluded that other features of the different cartilage zones such as water content and the organization (orientation) of collagen fibers may be enough to cause large differences in diffusion coefficients through the cartilage thickness.
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Affiliation(s)
- V. Arbabi
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft 2628CD, The Netherlands e-mail:
| | - B. Pouran
- Department of Orthopedics, UMC Utrecht, Heidelberglaan 100, Utrecht 3584CX, The Netherlands
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft 2628CD, The Netherlands
| | - H. Weinans
- Department of Orthopedics and Department of Rheumatology, UMC Utrecht, Heidelberglaan 100, Utrecht 3584CX, The Netherlands
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, 2628CD, Delft, The Netherlands
| | - A. A. Zadpoor
- Department of Biomechanical Engineering, Faculty of Mechanical, Maritime, and Materials Engineering, Delft University of Technology (TU Delft), Mekelweg 2, Delft 2628CD, The Netherlands
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Sosio C, Di Giancamillo A, Deponti D, Gervaso F, Scalera F, Melato M, Campagnol M, Boschetti F, Nonis A, Domeneghini C, Sannino A, Peretti GM. Osteochondral repair by a novel interconnecting collagen-hydroxyapatite substitute: a large-animal study. Tissue Eng Part A 2014; 21:704-15. [PMID: 25316498 DOI: 10.1089/ten.tea.2014.0129] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
A novel three-dimensional bicomponent substitute made of collagen type I and hydroxyapatite was tested for the repair of osteochondral lesions in a swine model. This scaffold was assembled by a newly developed method that guarantees the strict integration between the organic and the inorganic parts, mimicking the biological tissue between the chondral and the osseous phase. Thirty-six osteochondral lesions were created in the trochlea of six pigs; in each pig, two lesions were treated with scaffolds seeded with autologous chondrocytes (cell+group), two lesions were treated with unseeded scaffolds (cell- group), and the two remaining lesions were left untreated (untreated group). After 3 months, the animals were sacrificed and the newly formed tissue was analyzed to evaluate the degree of maturation. The International Cartilage Repair Society (ICRS) macroscopic assessment showed significantly higher scores in the cell- and untreated groups when compared with the cell+ group. Histological evaluation showed the presence of repaired tissue, with fibroblast-like and hyaline-like areas in all groups; however, with respect to the other groups, the cell- group showed significantly higher values in the ICRS II histological scores for "cell morphology" and for the "surface/superficial assessment." While the scaffold seeded with autologous chondrocytes promoted the formation of a reparative tissue with high cellularity but low glycosaminoglycans (GAG) production, on the contrary, the reparative tissue observed with the unseeded scaffold presented lower cellularity but higher and uniform GAG distribution. Finally, in the lesions treated with scaffolds, the immunohistochemical analysis showed the presence of collagen type II in the peripheral part of the defect, indicating tissue maturation due to the migration of local cells from the surroundings. This study showed that the novel osteochondral scaffold was easy to handle for surgical implantation and was stable within the site of lesion; at the end of the experimental time, all implants were well integrated with the surrounding tissue and no signs of synovitis were observed. The quality of the reparative tissue seemed to be superior for the lesions treated with the unseeded scaffolds, indicating the promising potential of this novel biomaterial for use in a one-stage procedure for osteochondral repair.
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Siebelt M, Agricola R, Weinans H, Kim YJ. The role of imaging in early hip OA. Osteoarthritis Cartilage 2014; 22:1470-80. [PMID: 25278058 DOI: 10.1016/j.joca.2014.04.030] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 04/17/2014] [Accepted: 04/29/2014] [Indexed: 02/02/2023]
Abstract
Hip osteoarthritis (OA) is characterized by cartilage degradation, subchondral bone sclerosis and osteophyte formation. Nowadays, OA is thought to develop via different etiologies that all lead to a similar form of end stage joint degradation. One of these subtypes is related to an abnormal shaped hip joint, like acetabular dysplasia and a cam deformity. These bony abnormalities are highly predictive for development of hip OA, but they are likely to already be present from childhood. This suggests that these deformations induce OA changes in the hip, well before extensive hip degradation becomes present three to four decades later. Accurate detection and successful characterization of these early OA events might lead to better treatment options for hip OA besides nowadays available invasive joint replacement surgery. However, current diagnostic imaging techniques like radiographs or plain magnetic resonance imaging (MRI), are not sensitive enough to detect these subtle early OA changes. Nor are they able to disentangle intertwined and overlapping cascades from different OA subtypes, and neither can they predict OA progression. New and more sensitive imaging techniques might enable us to detect first OA changes on a cellular level, providing us with new opportunities for early intervention. In this respect, shape analysis using radiography, MRI, computed tomography (CT), single photon emission computed tomography (SPECT)/CT, and positron emission tomography (PET) might prove promising techniques and be more suited to detect early pathological changes in the hip joint. A broad application of these techniques might give us more understanding what can be considered physiological adaptation of the hip, or when early OA really starts. With a more clear definition of early OA, more homogenous patient populations can be selected and help with the development of new disease modifying OA interventions.
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Affiliation(s)
- M Siebelt
- Department of Orthopaedics, Orthopaedic Research Laboratory, Erasmus MC, The Netherlands
| | - R Agricola
- Department of Orthopaedics, Orthopaedic Research Laboratory, Erasmus MC, The Netherlands
| | - H Weinans
- Department of Orthopaedics & Dept. Rheumatology, UMC Utrecht, The Netherlands; Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands.
| | - Y J Kim
- Department of Orthopaedic Surgery, Boston Children's Hospital, USA
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Petit A, Sandker M, Müller B, Meyboom R, van Midwoud P, Bruin P, Redout EM, Versluijs-Helder M, van der Lest CH, Buwalda SJ, de Leede LG, Vermonden T, Kok RJ, Weinans H, Hennink WE. Release behavior and intra-articular biocompatibility of celecoxib-loaded acetyl-capped PCLA-PEG-PCLA thermogels. Biomaterials 2014; 35:7919-28. [DOI: 10.1016/j.biomaterials.2014.05.064] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2014] [Accepted: 05/21/2014] [Indexed: 01/26/2023]
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Siebelt M, Waarsing JH, Groen HC, Müller C, Koelewijn SJ, de Blois E, Verhaar JAN, de Jong M, Weinans H. Inhibited osteoclastic bone resorption through alendronate treatment in rats reduces severe osteoarthritis progression. Bone 2014; 66:163-70. [PMID: 24933343 DOI: 10.1016/j.bone.2014.06.009] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2014] [Revised: 06/05/2014] [Accepted: 06/06/2014] [Indexed: 11/30/2022]
Abstract
Osteoarthritis (OA) is a non-rheumatoid joint disease characterized by progressive degeneration of extra-cellular cartilage matrix (ECM), enhanced subchondral bone remodeling, osteophyte formation and synovial thickening. Alendronate (ALN) is a potent inhibitor of osteoclastic bone resorption and results in reduced bone remodeling. This study investigated the effects of pre-emptive use of ALN on OA related osteoclastic subchondral bone resorption in an in vivo rat model for severe OA. Using multi-modality imaging we measured effects of ALN treatment within cartilage and synovium. Severe osteoarthritis was induced in left rat knees using papain injections in combination with a moderate running protocol. Twenty rats were treated with subcutaneous ALN injections and compared to twenty untreated controls. Animals were longitudinally monitored for 12weeks with in vivo μCT to measure subchondral bone changes and SPECT/CT to determine synovial macrophage activation using a folate-based radiotracer. Articular cartilage was analyzed at 6 and 12weeks with ex vivo contrast enhanced μCT and histology to measure sulfated-glycosaminoglycan (sGAG) content and cartilage thickness. ALN treatment successfully inhibited subchondral bone remodeling. As a result we found less subchondral plate porosity and reduced osteophytosis. ALN treatment did not reduce subchondral sclerosis. However, after the OA induction phase, ALN treatment protected cartilage ECM from degradation and reduced synovial macrophage activation. Surprisingly, ALN treatment also improved sGAG content of tibia cartilage in healthy joints. Our data was consistent with the hypothesis that osteoclastic bone resorption might play an important role in OA and may be a driving force for progression of the disease. However, our study suggest that this effect might not solely be effects on osteoclastic activity, since ALN treatment also influenced macrophage functioning. Additionally, ALN treatment and physical activity exercised a positive effect in healthy control joints, which increased cartilage sGAG content. More research on this topic might lead to novel insights as to improve cartilage quality.
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Affiliation(s)
- M Siebelt
- Department of Orthopaedics, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - J H Waarsing
- Department of Orthopaedics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - H C Groen
- Department of Nuclear Medicine, Erasmus University Medical Center, The Netherlands
| | - C Müller
- Center for Radiopharmaceutical Sciences ETH-PSI-USZ, Paul Scherrer Institute, Villigen-PSI, Switzerland
| | - S J Koelewijn
- Department of Nuclear Medicine, Erasmus University Medical Center, The Netherlands
| | - E de Blois
- Department of Nuclear Medicine, Erasmus University Medical Center, The Netherlands
| | - J A N Verhaar
- Department of Orthopaedics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M de Jong
- Department of Nuclear Medicine, Erasmus University Medical Center, The Netherlands; Department of Radiology, Erasmus University Medical Center, The Netherlands
| | - H Weinans
- Department of Biomechanical Engineering, Delft University of Technology, Delft, The Netherlands; Dept. Orthopaedics & Dept. Rheumatology, UMC Utrecht, The Netherlands
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The use of temporalis muscle graft, fresh and cryopreserved amniotic membrane in preventing temporomandibular joint ankylosis after discectomy in rabbits. J Craniomaxillofac Surg 2014; 42:1868-76. [PMID: 25218148 DOI: 10.1016/j.jcms.2014.07.005] [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] [Received: 05/09/2014] [Revised: 07/24/2014] [Accepted: 07/24/2014] [Indexed: 12/29/2022] Open
Abstract
PURPOSE The aim of the study was to evaluate the efficacy of temporalis muscle-fascia graft, fresh and cryopreserved human amniotic membrane as an interpositional material in preventing temporomandibular joint ankylosis in a rabbit model. MATERIALS AND METHODS In this experimental study, 21 New Zealand white rabbits were used. The condyle and the joint disc were removed to induce ankylosis in left TMJs. Reconstruction was immediately performed with temporalis muscle-fascia graft (tMFG) in group I (n = 7), fresh human amniotic membrane (fHAM) in group II (n = 7) and cryopreserved human amniotic membrane (cHAM) in group III (n = 7). All rabbits were sacrificed at 3 months after the operation. The comparison was made among three groups by means of vertical mouth opening and weight measurements, radiologic and histologic findings obtained before and after surgery. RESULTS In all rabbits, there was no statistically significant difference in the jaw movements and weight among groups at commencement and 3 months after surgery. The condylar surfaces were more irregular in HAM groups. There were mild osteophyte formations, sclerosis, fibrosis and calcification around the condyle in all groups however the joint gap was more preserved in group I. All interpositional materials were also seen to be partially present in the joint gap at 3 months. Ankylosis was not seen in the joint gap in any group. CONCLUSION With the results of this study it was concluded that interpositional arthroplasty with HAM and tMFG have an almost similar effect in preventing TMJ ankylosis after discectomy in the rabbit model.
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Boudenot A, Presle N, Uzbekov R, Toumi H, Pallu S, Lespessailles E. Effect of interval-training exercise on subchondral bone in a chemically-induced osteoarthritis model. Osteoarthritis Cartilage 2014; 22:1176-85. [PMID: 24928318 DOI: 10.1016/j.joca.2014.05.020] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/23/2013] [Revised: 05/20/2014] [Accepted: 05/28/2014] [Indexed: 02/02/2023]
Abstract
OBJECTIVES The role of subchondral bone in osteoarthritis (OA) development is well admitted. Cross-talk between subchondral bone and cartilage may be disrupted in OA, leading to altered subchondral bone remodeling. Osteocytes are involved in bone remodeling control and could play a key role in OA progression. Our purpose of this study was to evaluate the preventive effect of interval-training exercise on subchondral bone and osteocyte in monosodium iodoacetate (MIA) model of experimental OA. METHODS At baseline, 48 male Wistar rats (8 weeks old) were separated into two groups: interval-training exercise or no exercise for 10 weeks. After this training period, each group was divided into two subgroups: MIA-injected knee (1 mg/100 μl saline) and saline-injected knee. Four weeks later, rats were sacrificed and carefully dissected. Evaluated parameters were: cartilage degeneration by OA scoring, bone mineral density (BMD) by Dual energy X-ray Absorptiometry (DXA), trabecular subchondral bone microarchitecture by micro-computed tomography (μCT), cortical subchondral bone lacunar osteocyte occupancy (by Toluidine Blue staining) and cleaved caspase-3 positive apoptosis (by epifluorescence). RESULTS Our results showed deleterious effects of MIA on cartilage. OA induced a decrease in proximal tibia (PT) BMD which was prevented by exercise. Exercise induced increase in full osteocyte lacunae surface and osteocyte occupancy (+60%) of cortical subchondral bone independently of OA. Osteocyte apoptosis (<1%) in cortical subchondral bone was not different whatever the group at sacrifice. CONCLUSION Our results suggest that preliminary interval-training improved BMD and osteocytes lacunar occupancy in subchondral bone. Our interval-training did not prevent MIA-induced cartilage degeneration.
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Affiliation(s)
- A Boudenot
- EA 4708 I3MTO, University of Orléans, Orléans, France.
| | - N Presle
- UMR 7365 CNRS, Universite de Lorraine, Vandoeuvre-les-Nancy, France
| | - R Uzbekov
- Department of Microscopy, University of Francois Rabelais, Tours, France
| | - H Toumi
- EA 4708 I3MTO, University of Orléans, Orléans, France
| | - S Pallu
- EA 4708 I3MTO, University of Orléans, Orléans, France
| | - E Lespessailles
- EA 4708 I3MTO, University of Orléans, Orléans, France; Service de rhumatologie, Centre hospitalier régional d'Orléans, Orléans, France
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Siebelt M, van der Windt AE, Groen HC, Sandker M, Waarsing JH, Müller C, de Jong M, Jahr H, Weinans H. FK506 protects against articular cartilage collagenous extra-cellular matrix degradation. Osteoarthritis Cartilage 2014; 22:591-600. [PMID: 24561282 DOI: 10.1016/j.joca.2014.02.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2013] [Revised: 01/22/2014] [Accepted: 02/06/2014] [Indexed: 02/08/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) is a non-rheumatologic joint disease characterized by progressive degeneration of the cartilage extra-cellular matrix (ECM), enhanced subchondral bone remodeling, activation of synovial macrophages and osteophyte growth. Inhibition of calcineurin (Cn) activity through tacrolimus (FK506) in in vitro monolayer chondrocytes exerts positive effects on ECM marker expression. This study therefore investigated the effects of FK506 on anabolic and catabolic markers of osteoarthritic chondrocytes in 2D and 3D in vitro cultures, and its therapeutic effects in an in vivo rat model of OA. METHODS Effects of high and low doses of FK506 on anabolic (QPCR/histochemistry) and catabolic (QPCR) markers were evaluated in vitro on isolated (2D) and ECM-embedded chondrocytes (explants, 3D pellets). Severe cartilage damage was induced unilaterally in rat knees using papain injections in combination with a moderate running protocol. Twenty rats were treated with FK506 orally and compared to twenty untreated controls. Subchondral cortical and trabecular bone changes (longitudinal microCT) and macrophage activation (SPECT/CT) were measured. Articular cartilage was analyzed ex vivo using contrast enhanced microCT and histology. RESULTS FK506 treatment of osteoarthritic chondrocytes in vitro induced anabolic (mainly collagens) and reduced catabolic ECM marker expression. In line with this, FK506 treatment clearly protected ECM integrity in vivo by markedly decreasing subchondral sclerosis, less development of subchondral pores, depletion of synovial macrophage activation and lower osteophyte growth. CONCLUSION FK506 protected cartilage matrix integrity in vitro and in vivo. Additionally, FK506 treatment in vivo reduced OA-like responses in different articular joint tissues and thereby makes Cn an interesting target for therapeutic intervention of OA.
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Affiliation(s)
- M Siebelt
- Department of Orthopedics, Erasmus University Medical Center, Rotterdam, The Netherlands.
| | - A E van der Windt
- Department of Orthopedics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - H C Groen
- Department of Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - M Sandker
- Department of Orthopedics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - J H Waarsing
- Department of Orthopedics, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - C Müller
- Center for Radiopharmaceutical Sciences PSI-ETH-USZ, Paul Scherrer Institute, Villigen-PSI, Switzerland
| | - M de Jong
- Department of Nuclear Medicine, Erasmus University Medical Center, Rotterdam, The Netherlands
| | - H Jahr
- Department of Orthopedics, Erasmus University Medical Center, Rotterdam, The Netherlands; Department of Orthopedic Surgery, University Hospital RWTH, Aachen, Germany
| | - H Weinans
- Department of Biomechanical Engineering, TU Delft, The Netherlands; Department of Orthopaedics, UMC Utrecht, The Netherlands; Department of Rheumatology, UMC Utrecht, The Netherlands
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