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Takahata K, Lin YY, Osipov B, Arakawa K, Enomoto S, Christiansen BA, Kokubun T. Concurrent Joint Contact in Anterior Cruciate Ligament Injury induces cartilage micro-injury and subchondral bone sclerosis, resulting in knee osteoarthritis. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.08.593114. [PMID: 38766109 PMCID: PMC11100711 DOI: 10.1101/2024.05.08.593114] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Objective Anterior Cruciate Ligament (ACL) injury initiates post-traumatic osteoarthritis (PTOA) via two distinct processes: initial direct contact injury of the cartilage surface during ACL injury, and secondary joint instability due to the ACL deficiency. Using the well-established Compression-induced ACL rupture method (ACL-R) and a novel Non-Compression ACL-R model, we aimed to reveal the individual effects of cartilage compression and joint instability on PTOA progression after ACL injury in mice. Design Twelve-week-old C57BL/6J male were randomly divided to three experimental groups: Compression ACL-R, Non-Compression ACL-R, and Intact. Following ACL injury, we performed joint laxity testing and microscopic analysis of the articular cartilage surface at 0 days, in vivo optical imaging of matrix-metalloproteinase (MMP) activity at 3 and 7 days, and histological and microCT analysis at 0, 7, 14, and 28 days. Results The Compression ACL-R group exhibited a significant increase of cartilage roughness immediately after injury compared with the Non-Compression group. At 7 days, the Compression group exhibited increased MMP-induced fluorescence intensity and MMP-13 positive cell ratio of chondrocytes. Moreover, histological cartilage degeneration was observable in the Compression group at the same time point. Sclerosis of tibial subchondral bone in the Compression group was more significantly developed than in the Non-Compression group at 28 days. Conclusions Both Compression and Non-Compression ACL injury initiated PTOA progression due to joint instability. However, joint contact during ACL rupture also caused initial micro-damage on the cartilage surface and initiated early MMP activity, which could accelerate PTOA progression compared to ACL injury without concurrent joint contact.
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Jono A, Yanagihara Y, Kinoshita T, Takao M, Imai Y. Establishment of a uniform histological evaluation method for early stage osteophytes in the destabilization of the medial meniscus mouse model. OSTEOARTHRITIS AND CARTILAGE OPEN 2023; 5:100409. [PMID: 37767107 PMCID: PMC10520448 DOI: 10.1016/j.ocarto.2023.100409] [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: 04/17/2023] [Accepted: 09/12/2023] [Indexed: 09/29/2023] Open
Abstract
Background Osteophyte formation is attracting attention as an early-stage pathology of knee osteoarthritis (OA). Although osteophyte formation is understood as a defense response to joint instability, its role and impact on OA remain largely unknown. Many studies have been conducted using the surgical destabilization of the medial meniscus (DMM) mouse model, but there are few standard evaluation methods, especially in the histological evaluation of early-stage osteophytes. The purpose of this study was to establish a reproducible and uniform method for histological evaluation of characteristics of early osteophyte formation in the DMM mouse model. Methods Male mice were operated with DMM at 12 weeks old and histologically evaluated at 4 days and 1, 2 and 4 weeks after DMM. Osteophyte Width, Osteophyte Area, and Original and Modified Maturity Scores were used to evaluate osteophytes for all sections. Results Osteophyte Width, Osteophyte Area and Maturity Scores were all greater anteriorly than posteriorly in the knee joint. The Modified Maturity Score was more strongly correlated with position than the Original Maturity Score, and could be used to evaluate early-stage osteophyte formation. Conclusion The Modified Maturity Score as well as Osteophyte Width and Area at the section of the anterior cruciate ligament (ACL) attachment site can provide a reproducible evaluation method to histologically assess the early-stage osteophyte formation in the DMM mouse model.
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Affiliation(s)
- Akihiro Jono
- Department of Bone and Joint Surgery, Graduate School of Medicine, Ehime University, Ehime, Japan
| | - Yuta Yanagihara
- Division of Integrative Pathophysiology, Proteo-Science Center, Ehime University, Ehime, Japan
| | - Tomofumi Kinoshita
- Department of Bone and Joint Surgery, Graduate School of Medicine, Ehime University, Ehime, Japan
| | - Masaki Takao
- Department of Bone and Joint Surgery, Graduate School of Medicine, Ehime University, Ehime, Japan
| | - Yuuki Imai
- Division of Integrative Pathophysiology, Proteo-Science Center, Ehime University, Ehime, Japan
- Department of Pathophysiology, Graduate School of Medicine, Ehime University, Ehime, Japan
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3
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Valerio MS, Pace WA, Dolan CP, Edwards JB, Janakiram NB, Potter BK, Dearth CL, Goldman SM. Development and characterization of an intra-articular fracture mediated model of post-traumatic osteoarthritis. J Exp Orthop 2023; 10:68. [PMID: 37400744 DOI: 10.1186/s40634-023-00625-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 05/26/2023] [Indexed: 07/05/2023] Open
Abstract
PURPOSE This study aimed to develop and characterize a closed intra-articular fracture (IAF) mediated post-traumatic osteoarthritis (PTOA) model in rats to serve as a testbed for putative disease modifying interventions. METHODS Male rats were subject to a 0 Joule (J), 1 J, 3 J, or 5 J blunt-force impact to the lateral aspect of the knee and allowed to heal for 14 and 56 days. Micro-CT was performed at time of injury and at the specified endpoints to assess bone morphometry and bone mineral density measurements. Cytokines and osteochondral degradation markers were assayed from serum and synovial fluid via immunoassays. Histopathological analyses were performed on decalcified tissues and assessed for evidence of osteochondral degradation. RESULTS High-energy (5 J) blunt impacts consistently induced IAF to the proximal tibia, distal femur, or both while lower energy (1 J and 3 J) impacts did not. CCL2 was found to be elevated in the synovial fluid of rats with IAF at both 14- and 56-days post-injury while COMP and NTX-1 were upregulated chronically relative to sham controls. Histological analysis showed increased immune cell infiltration, increased osteoclasts and osteochondral degradation with IAF relative to sham. CONCLUSION Based on results from the current study, our data indicates that a 5 J blunt-forced impact adequately and consistently induces hallmark osteoarthritic changes to the articular surface and subchondral bone at 56 days after IAF. Marked development of PTOA pathobiology suggest this model will provide a robust testbed for screening putative disease modifying interventions that might be translated to the clinic for militarily relevant, high-energy joint injuries.
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Affiliation(s)
- Michael S Valerio
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
| | - William A Pace
- Department of Biomedical Engineering, Vanderbilt University, Nashville, USA
| | - Connor P Dolan
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
- Department of Veterinary Physiology & Pharmacology, Texas A&M University, College Station, TX, USA
| | - Jorge B Edwards
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
- The Henry M. Jackson Foundation for the Advancement of Military Medicine, Bethesda, USA
| | - Naveena B Janakiram
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
- Translational Research Program, Division of Cancer Treatment and Diagnosis (DCTD), National Cancer Institute (NCI), Rockville, MD, USA
| | - Benjamin K Potter
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
- Department of Orthopedic Surgery, Walter Reed National Military Medical Center, Bethesda, USA
| | - Christopher L Dearth
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA
| | - Stephen M Goldman
- Research and Surveillance Division DoD-VA Extremity Trauma and Amputation Center of Excellence, Bethesda, USA.
- Department of Surgery, Uniformed Services University of the Health Sciences-Walter Reed National Military Medical Center, Bethesda, USA.
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Induction of Accelerated Aging in a Mouse Model. Cells 2022; 11:cells11091418. [PMID: 35563724 PMCID: PMC9102583 DOI: 10.3390/cells11091418] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/11/2022] [Accepted: 04/20/2022] [Indexed: 12/12/2022] Open
Abstract
With the global increase of the elderly population, the improvement of the treatment for various aging-related diseases and the extension of a healthy lifespan have become some of the most important current medical issues. In order to understand the developmental mechanisms of aging and aging-related disorders, animal models are essential to conduct relevant studies. Among them, mice have become one of the most prevalently used model animals for aging-related studies due to their high similarity to humans in terms of genetic background and physiological structure, as well as their short lifespan and ease of reproduction. This review will discuss some of the common and emerging mouse models of accelerated aging and related chronic diseases in recent years, with the aim of serving as a reference for future application in fundamental and translational research.
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Stiffel VM, Rundle CH, Sheng MHC, Das S, Lau KHW. A Novel EphA4 Signaling-Based Therapeutic Strategy for Osteoarthritis in Mice. J Bone Miner Res 2022; 37:660-674. [PMID: 34989027 PMCID: PMC9018473 DOI: 10.1002/jbmr.4500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 11/11/2022]
Abstract
This study took advantage of the recent discovery that the EphA4 signaling has anti-catabolic effects on osteoclasts/macrophages/synoviocytes but pro-anabolic effects on articular chondrocytes and sought to develop an EphA4 signaling-based therapeutic strategy for osteoarthritis (OA) using a mouse model of OA/posttraumatic OA (PTOA). The injured joint of C57BL/6J mice received biweekly intraarticular injections of a soluble EphA4-binding ligand (EfnA4-fc) at 1 day after the tibial plateau injury or at 5 weeks post-injury. The animals were euthanized 5 weeks later. The injured right and contralateral uninjured left joints were analyzed for hallmarks of OA by histology. Relative severity was determined by a modified Mankin OA scoring system and serum COMP and CTX-II levels. Tibial plateau injury caused more severe OA in Epha4 null mice than in wild-type (WT) littermates, suggesting a protective role of EphA4 signaling in OA. A prototype strategy of an EphA4 signaling-based strategy involving biweekly injections of EfnA4-fc into injured joints was developed and was shown to be highly effective in preventing OA/PTOA when it was administered at 1 day post-injury and in treating OA/PTOA when it was applied after OA has been established. The efficacy of this prototype was dose- and time-dependent. The effects were not caused by the Fc moiety of EfnA4-fc. Other soluble EfnA ligands of EphA4, ie, EfnA1-fc and EfnA2-fc, were also effective. A prototype of a novel EphA4 signaling-based therapy was developed for OA/PTOA that not only reduces the progressive destruction of articular cartilage but may also promote regeneration of the damaged cartilage. © 2022 American Society for Bone and Mineral Research (ASBMR). This article has been contributed to by US Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Virginia M Stiffel
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, Loma Linda, CA, USA
| | - Charles H Rundle
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, Loma Linda, CA, USA.,Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Matilda H-C Sheng
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, Loma Linda, CA, USA.,Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, USA
| | - Subhashri Das
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, Loma Linda, CA, USA
| | - Kin-Hing William Lau
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial VA Medical Center, Loma Linda, CA, USA.,Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, USA
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Wang XJ, Yu JP, An X, Jia ZW, Zhang J, Su YX. Attenuation of cartilage pathogenesis in osteoarthritis by blocking the phosphorylation of tyrosine kinase Fyn to β-catenin, AZD0530. Bone 2022; 154:116259. [PMID: 34798298 DOI: 10.1016/j.bone.2021.116259] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Revised: 10/18/2021] [Accepted: 11/11/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To observe the effect of AZD0530 on the progression of knee OA after blocking β-catenin phosphorylation and then dormancy of the Wnt/β pathway by tyrosine kinase Fyn. METHODS The levels of Fyn, β-catenin, p-β-catenin (Tyr142), the chondrocyte positive marker Aggrecan, and the chondrocyte negative marker MMP13 were observed in human knee tibial plateau chondrocytes in vivo and in vitro. Different doses of AZD0530 were used to treat chondrocytes of the human OA tibial plateau chondrocytes in vitro, and the degree of chondrocyte degeneration was observed. Different doses of AZD0530 were intraarticularly injected into OA rats to observe the degree of tibial plateau cartilage degeneration. RESULTS When OA occurred in human knee, the levels of tyrosine kinase Fyn,β-catenin and p-β-catenin (Tyr142) in chondrocytes increased significantly.The level of Aggrecan decreased and MMP13 increased in chondrocytes. The levels of β-catenin, p-β-catenin (Tyr142) and MMP13 in chondrocytes decreased, while the level of Aggrecan increased after AZD0530 was used to intervene chondrocytes in vitro, which was positively correlated with the dose of AZD0530. Intra-articular injection of AZD0530 obviously attenuated the degeneration of articular cartilage, which was positively correlated with the dose of AZD0530. CONCLUSION The level of Fyn in chondrocytes of human knee tibial plateau increased significantly when OA occurred. AZD0530 can inhibit tyrosine kinase Fyn from β-catenin phosphorylation, a key Wnt/β pathway protein, and then inhibit Wnt/β pathway levels in chondrocytes. This finding also suggests that disruption of the Wnt/β pathway with AZD0530 provides chondral protection in rat posttraumatic OA.
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Affiliation(s)
- Xiao-Jian Wang
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China.
| | - Jian-Ping Yu
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Xunjun An
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Zhong-Wei Jia
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Jian Zhang
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
| | - Yun-Xing Su
- Department of Orthopedic Surgery, Shanxi Provincial People's Hospital, Taiyuan, China
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7
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Wang XJ, Tian W, Xu WW, Lu X, Zhang YM, Li LJ, Chang F. Loss of Autophagy Causes Increased Apoptosis of Tibial Plateau Chondrocytes in Guinea Pigs with Spontaneous Osteoarthritis. Cartilage 2021; 13:796S-807S. [PMID: 34493119 PMCID: PMC8804872 DOI: 10.1177/19476035211044820] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
OBJECTIVE The goal of the present study was to observe the effect of autophagy in tibial plateau chondrocytes on apoptosis in spontaneous knee osteoarthritis (OA) in guinea pigs. DESIGN Fifty 2-month-old female Hartley guinea pigs were divided into a normal group (10 animals, all euthanized after 7 months) and an OA group (40 animals, 10 of which were euthanized after 10 months). Immunohistochemistry, RT-qPCR and Western blotting were used to evaluate autophagy levels, intracellular glycogen accumulation and apoptosis in tibial plateau chondrocytes in vivo and in vitro. The remaining 30 guinea pigs in the OA group were divided into 3 groups: a rapamycin group, a normal saline group, and a 3-methyladenine (3-MA) group. Intracellular glycogen accumulation and chondrocyte apoptosis were assessed by altering the level of autophagy in chondrocytes in vivo. RESULTS When spontaneous OA occurred in guinea pigs, autophagy levels in tibial plateau chondrocytes decreased, while intracellular glycogen accumulation and the rate of chondrocyte apoptosis increased. After enhancing the level of autophagy in tibial plateau chondrocytes in guinea pigs with OA, intracellular glycogen accumulation and the rate of chondrocyte apoptosis decreased, while inhibiting autophagy had the opposite effects. CONCLUSION The results indicate that the function of autophagy in chondrocytes may at least partly involve the catabolism of glycogen. In guinea pigs with OA, the level of autophagy in tibial plateau chondrocytes decreased, and chondrocytes were unable to degrade intracellular glycogen into glucose, leading to less energy for chondrocytes and increased apoptosis.
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Affiliation(s)
- Xiao-jian Wang
- Department of Orthopaedic
Surgery, Shanxi Provincial People’s Hospital, Taiyuan, China,Xiao-jian Wang, Department of
Orthopaedic Surgery, Shanxi Provincial People’s Hospital, Shuangtasi
Street 29, Taiyuan, Shanxi 030012, China.
| | - Wei Tian
- Department of Orthopaedic
Surgery, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Wei-wei Xu
- Shanxi Key Laboratory of Kidney
Disease, Taiyuan, China
| | - Xiao Lu
- Shanxi Key Laboratory of Kidney
Disease, Taiyuan, China
| | - Yu-ming Zhang
- Department of Orthopaedic
Surgery, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Li-jun Li
- Department of Orthopaedic
Surgery, Shanxi Provincial People’s Hospital, Taiyuan, China
| | - Feng Chang
- Department of Orthopaedic
Surgery, Shanxi Provincial People’s Hospital, Taiyuan, China
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8
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Stiffel VM, Thomas A, Rundle CH, Sheng MHC, Lau KHW. The EphA4 Signaling is Anti-catabolic in Synoviocytes but Pro-anabolic in Articular Chondrocytes. Calcif Tissue Int 2020; 107:576-592. [PMID: 32816052 PMCID: PMC7606366 DOI: 10.1007/s00223-020-00747-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 08/06/2020] [Indexed: 12/31/2022]
Abstract
The expression and activation of EphA4 in the various cell types in a knee joint was upregulated upon an intraarticular injury. To determine if EphA4 signaling plays a role in osteoarthritis, we determined whether deficient EphA4 expression (in EphA4 knockout mice) or upregulation of the EphA4 signaling (with the EfnA4-fc treatment) would alter cellular functions of synoviocytes and articular chondrocytes. In synoviocytes, deficient EphA4 expression enhanced, whereas activation of the EphA4 signaling reduced, expression and secretion of key inflammatory cytokines and matrix metalloproteases. Conversely, in articular chondrocytes, activation of the EphA4 signaling upregulated, while deficient EphA4 expression reduced, expression levels of chondrogenic genes (e.g., aggrecan, lubricin, type-2 collagen, and Sox9). EfnA4-fc treatment in wildtype, but not EphA4-deficient, articular chondrocytes promoted the formation and activity of acidic proteoglycan-producing colonies. Activation of the EphA4 signaling in articular chondrocytes upregulated Rac1/2 and downregulated RhoA via enhancing Vav1 and reducing Ephexin1 activation, respectively. However, activation of the EphA4 signaling in synoviocytes suppressed the Vav/Rac signaling while upregulated the Ephexin/Rho signaling. In summary, the EphA4 signaling in synoviocytes is largely of anti-catabolic nature through suppression of the expression of inflammatory cytokines and matrix proteases, but in articular chondrocytes the signaling is pro-anabolic in that it promotes the biosynthesis of articular cartilage. The contrasting action of the EphA4 signaling in synoviocytes as opposing to articular chondrocytes may in part be mediated through the opposite differential effects of the EphA4 signaling on the Vav/Rac signaling and Ephexin/Rho signaling in the two skeletal cell types.
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Affiliation(s)
- Virginia M Stiffel
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial V.A. Medical Center, 11201 Benton Street, Loma Linda, CA, 92357, USA
| | - Alexander Thomas
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial V.A. Medical Center, 11201 Benton Street, Loma Linda, CA, 92357, USA
- Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA
| | - Charles H Rundle
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial V.A. Medical Center, 11201 Benton Street, Loma Linda, CA, 92357, USA
- Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA
| | - Matilda H-C Sheng
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial V.A. Medical Center, 11201 Benton Street, Loma Linda, CA, 92357, USA
- Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA
| | - Kin-Hing William Lau
- Musculoskeletal Disease Center (151), Jerry L. Pettis Memorial V.A. Medical Center, 11201 Benton Street, Loma Linda, CA, 92357, USA.
- Department of Medicine, Loma Linda University School of Medicine, Loma Linda, CA, 92354, USA.
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9
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Fang L, Xia C, Xu H, Ge Q, Shi Z, Kong L, Zhang P, Xu R, Zou Z, Wang P, Jin H, Tong P. Defining disease progression in Chinese mainland people: Association between bone mineral density and knee osteoarthritis. J Orthop Translat 2020; 26:39-44. [PMID: 33437621 PMCID: PMC7773972 DOI: 10.1016/j.jot.2020.07.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Revised: 05/17/2020] [Accepted: 07/29/2020] [Indexed: 12/17/2022] Open
Abstract
Objective To evaluate change in bone mineral density (BMD) during development of knee osteoarthritis (OA) in elderly Chinese community residents. Further, to monitor disease progression by recording speed of sound (SOS), one parameter of BMD provided by quantitative ultrasound measurement. Methods A total of 4173 community residents of the Chinese mainland were organized to complete questionnaires and relevant measurements, including anthropometry, radiology and quantitative ultrasound (QUS). SOS measurements of the distal radius were acquired using QUS measurements. The Kellgren-Lawrence (KL) grade of knee OA was evaluated by two experienced radiographers using X-rays. Finally, a general linear models analysis was performed to determine potential relationships. Further, the area under the receiver operating characteristic curve (ROC AUC) was applied to assess the distinction model. Results The SOS score in the OA group was significantly lower than that in the control group (p < 0.001). However, after adjustment for age and body mass index (BMI), no significant difference was observed in the male population (p = 0.841), while a significantly lower SOS score presented in knee OA participants in the female population (p = 0.033). A turning point in SOS scores, from increasing to decreasing trends, occurred around KL grade 2; the SOS score gradually increased with progression in participants from KL grades 0 to 2, whereas the SOS score presented a significant decrease in participants with KL grades 3 and 4. The AUC for the model to distinguish OA progression was 0.891. Conclusion There was a non-linear and stage-specific association between SOS score and knee OA, which presented a positive relationship in early stages, but a negative relationship in advanced stages. A decline of SOS score in knee OA patients in early stages should alert clinicians to the possibility of disease progression. The Translational potential of this article In the present study, the relationship between OA and BMD had established by SOS. The results suggested that close monitoring of SOS in elderly Chinese communities residents with knee OA could alert disease progression involvement by an easily accessible method, and help early referral to orthopedist consultation for further examination and treatment.
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Affiliation(s)
- Liang Fang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Chenjie Xia
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Huihui Xu
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Qinwen Ge
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Zhenyu Shi
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Liya Kong
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China
| | - Peng Zhang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Rui Xu
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Zhen Zou
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Pinger Wang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Hongting Jin
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
| | - Peijian Tong
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Department of Orthopaedic Surgery, The First Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang Province, China.,Institute of Orthopaedics and Traumatology of Zhejiang Province, Hangzhou, Zhejiang Province, China
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