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Wadekar S, Gaddis JM, Middleton E, Xi Y, Mulligan E, Bialaszewski R, Laboret B, Wells J. The Morbidity of Greater Trochanteric Pain Syndrome Versus That of Patients Awaiting Total Hip Replacement. Orthopedics 2024; 47:205-210. [PMID: 38810128 DOI: 10.3928/01477447-20240520-03] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/31/2024]
Abstract
BACKGROUND Greater trochanteric pain syndrome (GTPS) is a commonly diagnosed medical issue, yet there are little data assessing the relative morbidity of GTPS. We sought to characterize the morbidity on presentation of GTPS and compare it to that of patients with end-stage hip osteoarthritis awaiting total hip arthroplasty. We hypothesized that patients with GTPS would have morbidity similar to or worse than that of patients with osteoarthritis. MATERIALS AND METHODS This retrospective case-control study examined patient-reported outcome measures of 156 patients with GTPS (193 hips) and 300 patients with hip osteoarthritis before total hip arthroplasty (326 hips). Patients with secondary hip conditions or previous hip surgeries were excluded from the study. Patient-reported outcome measures were analyzed using an equivalence test and two one-sided t tests. RESULTS Equivalence in mean visual analog scale pain scores between GTPS and osteoarthritis was established with a tolerance margin of ±10. The difference in mean visual analog scale pain scores was 0.35 (95% CI, -0.86 to 0.16; P=.02). The Hip disability and Osteoarthritis Outcome Score Quality of Life was much worse for patients with GTPS, placed well outside of the ±10 tolerance margin, and the difference in mean scores was 1.72 (95% Cl, -2.17 to -1.26; P=.99). Equivalence in mean UCLA Activity scores between GTPS and osteoarthritis was established with a tolerance margin of ±5. The difference in mean UCLA Activity scores was 0.002 (95% CI, -0.45 to 0.43; P<.01). CONCLUSION The morbidity and functional limitations of patients with GTPS were similar to those of patients undergoing total hip arthroplasty. GTPS remains a functional problem for patients, and clinicians and researchers should consider GTPS as seriously as hip osteoarthritis. [Orthopedics. 2024;47(4):205-210.].
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Yu M, Park C, Son YB, Jo SE, Jeon SH, Kim YJ, Han SB, Hong JT, Son DJ. Time-Dependent Effect of Eggshell Membrane on Monosodium-Iodoacetate-Induced Osteoarthritis: Early-Stage Inflammation Control and Late-Stage Cartilage Protection. Nutrients 2024; 16:1885. [PMID: 38931240 PMCID: PMC11206400 DOI: 10.3390/nu16121885] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2024] [Revised: 06/04/2024] [Accepted: 06/11/2024] [Indexed: 06/28/2024] Open
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disease that causes chronic pain, swelling, stiffness, disability, and significantly reduces the quality of life. Typically, OA is treated using painkillers and non-steroidal anti-inflammatory drugs (NSAIDs). While current pharmacologic treatments are common, their potential side effects have prompted exploration into functional dietary supplements. Recently, eggshell membrane (ESM) has emerged as a potential functional ingredient for joint and connective tissue disorders due to its clinical efficacy in relieving joint pain and stiffness. Despite promising clinical evidence, the effects of ESM on OA progression and its mechanism of action remain poorly understood. This study evaluated the efficacy of Ovomet®, a powdered natural ESM, against joint pain and disease progression in a monosodium iodoacetate (MIA)-induced rodent model of OA in mice and rats. The results demonstrate that ESM significantly alleviates joint pain and attenuates articular cartilage destruction in both mice and rats that received oral supplementation for 5 days prior to OA induction and for 28 days thereafter. Interestingly, ESM significantly inhibited mRNA expression levels of pro-inflammatory cytokines including tumor necrosis factor alpha (TNF-α), interleukin-1β (IL-1β), and interleukin-6 (IL-6), as well as inflammatory mediators, cyclooxygenase-2 (COX-2), and inducible nitric oxide synthase in the knee joint cartilage at the early stage of OA, within 7 days after OA induction. However, this effect was not observed in the late stage at 28 days after OA induction. ESM further attenuates the induction of protein expression for cartilage-degrading enzymes like matrix metalloproteinase (MMPs) 3 and 13, and a disintegrin and metalloproteinase with thrombospondin motifs 5 (ADAMTS-5), in the late-stage. In addition, MIA-induced reduction of the protein expression levels of cartilage components, cartilage oligomeric matrix protein (COMP), aggrecan (ACAN) and collagen type II α-1 chain (COL2α1), and cartilage extracellular matrix (ECM) synthesis promoting transcriptional factor SRY-Box 9 (SOX-9) were increased via ESM treatment in the cartilage tissue. Our findings suggest that Ovomet®, a natural ESM powder, is a promising dietary functional ingredient that can alleviate pain, inflammatory response, and cartilage degradation associated with the progression of OA.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Dong Ju Son
- College of Pharmacy, Chungbuk National University, 194-21 Osongsaengmyong 1-ro, Osong-eup, Heungduk-gu, Cheongju 28160, Chungbuk, Republic of Korea; (M.Y.); (C.P.); (Y.B.S.); (S.E.J.); (S.H.J.); (Y.J.K.); (S.B.H.); (J.T.H.)
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Shi L, Ura K, Takagi Y. Effects of self-assembled type II collagen fibrils on the morphology and growth of pre-chondrogenic ATDC5 cells. OSTEOARTHRITIS AND CARTILAGE OPEN 2024; 6:100450. [PMID: 38444516 PMCID: PMC10914481 DOI: 10.1016/j.ocarto.2024.100450] [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: 08/25/2023] [Accepted: 02/22/2024] [Indexed: 03/07/2024] Open
Abstract
Objective Although type II collagen could have marked potential for developing cartilage tissue engineering (CTE) scaffolds, its erratic supply and viscous nature have limited these studies, and there are no studies on the use of marine-derived type II collagen fibrils for CTE scaffold materials. In this study, we aimed to generate a fibril-based, thin-layered scaffold from marine-derived type II collagen and investigate its chondrogenic potential. Methods Time-lapse observations revealed the cell adhesion process. The Cell Counting Kit-8 (CCK-8) assay, light microscopy, and scanning electron microscopy were performed to detect proliferation and filopodium morphology. Alcian blue staining was used to show the deposition of extracellular secretions, and qRT-PCR was performed to reveal the expression levels of chondrogenesis-related genes. Results The cell adhesion speed was similar in both fibril-coated and control molecule-coated groups, but the cellular morphology, proliferation, and chondrogenesis activity differed. On fibrils, more elongated finer filopodia showed inter-cell communications, whereas the slower proliferation suggested an altered cell cycle. Extracellular secretions occurred before day 14 and continued until day 28 on fibrils, and on fibrils, the expression of the chondrogenesis-related genes Sox9 (p < 0.001), Col10a1 (p < 0.001), Acan (p < 0.001), and Col2a1 (p = 0.0049) was significantly upregulated on day 21. Conclusion Marine-derived type II collagen was, for the first time, fabricated into a fibril state. It showed rapid cellular affinity and induced chondrogenesis with extracellular secretions. We presented a new model for studying chondrogenesis in vitro and a potential alternative material for cell-laden CTE research.
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Affiliation(s)
- Linyan Shi
- Graduate School of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-Cho, Hakodate, Hokkaido, 041-8611, Japan
| | - Kazuhiro Ura
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido, 041-8611, Japan
| | - Yasuaki Takagi
- Faculty of Fisheries Sciences, Hokkaido University, 3-1-1 Minato-cho, Hakodate, Hokkaido, 041-8611, Japan
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Adam MS, Zhuang H, Ren X, Zhang Y, Zhou P. The metabolic characteristics and changes of chondrocytes in vivo and in vitro in osteoarthritis. Front Endocrinol (Lausanne) 2024; 15:1393550. [PMID: 38854686 PMCID: PMC11162117 DOI: 10.3389/fendo.2024.1393550] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Accepted: 05/07/2024] [Indexed: 06/11/2024] Open
Abstract
Osteoarthritis (OA) is an intricate pathological condition that primarily affects the entire synovial joint, especially the hip, hand, and knee joints. This results in inflammation in the synovium and osteochondral injuries, ultimately causing functional limitations and joint dysfunction. The key mechanism responsible for maintaining articular cartilage function is chondrocyte metabolism, which involves energy generation through glycolysis, oxidative phosphorylation, and other metabolic pathways. Some studies have shown that chondrocytes in OA exhibit increased glycolytic activity, leading to elevated lactate production and decreased cartilage matrix synthesis. In OA cartilage, chondrocytes display alterations in mitochondrial activity, such as decreased ATP generation and increased oxidative stress, which can contribute to cartilage deterioration. Chondrocyte metabolism also involves anabolic processes for extracellular matrix substrate production and energy generation. During OA, chondrocytes undergo considerable metabolic changes in different aspects, leading to articular cartilage homeostasis deterioration. Numerous studies have been carried out to provide tangible therapies for OA by using various models in vivo and in vitro targeting chondrocyte metabolism, although there are still certain limitations. With growing evidence indicating the essential role of chondrocyte metabolism in disease etiology, this literature review explores the metabolic characteristics and changes of chondrocytes in the presence of OA, both in vivo and in vitro. To provide insight into the complex metabolic reprogramming crucial in chondrocytes during OA progression, we investigate the dynamic interaction between metabolic pathways, such as glycolysis, lipid metabolism, and mitochondrial function. In addition, this review highlights prospective future research directions for novel approaches to diagnosis and treatment. Adopting a multifaceted strategy, our review aims to offer a comprehensive understanding of the metabolic intricacies within chondrocytes in OA, with the ultimate goal of identifying therapeutic targets capable of modulating chondrocyte metabolism for the treatment of OA.
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Affiliation(s)
| | | | | | | | - Panghu Zhou
- Department of Orthopedics, Renmin Hospital of Wuhan University, Wuhan, China
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Liu L, Luo P, Wen P, Xu P. Effects of selenium and iodine on Kashin-Beck disease: an updated review. Front Nutr 2024; 11:1402559. [PMID: 38757132 PMCID: PMC11096467 DOI: 10.3389/fnut.2024.1402559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Accepted: 04/22/2024] [Indexed: 05/18/2024] Open
Abstract
Kashin-Beck disease (KBD) is an endochondral osteogenesis disorder characterised by epiphysis damage and secondary deformable arthropathy induced by multiple external factors, among which selenium (Se) and iodine deficiency are important influencing factors. Iodine deficiency is usually accompanied by a low Se content in the soil in the KBD areas of China. Se can reverse oxidative damage to chondrocytes. In addition, Se is related to the bone conversion rate and bone mineral density. Low Se will hinder growth and change bone metabolism, resulting in a decrease in the bone conversion rate and bone mineral density. Thyroid hormone imbalance caused by thyroid dysfunction caused by iodine deficiency can damage bone homeostasis. Compared with Se deficiency alone, Se combined with iodine deficiency can reduce the activity of glutathione peroxidase more effectively, which increases the vulnerability of chondrocytes and other target cells to oxidative stress, resulting in chondrocyte death. Clinical studies have shown that supplementation with Se and iodine is helpful for the prevention and treatment of KBD.
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Affiliation(s)
| | | | | | - Peng Xu
- Department of Joint Surgery, HongHui Hospital, Xi’an Jiaotong University, Xi’an, China
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6
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Li X, Jin Y, Xue J. Unveiling Collagen's Role in Breast Cancer: Insights into Expression Patterns, Functions and Clinical Implications. Int J Gen Med 2024; 17:1773-1787. [PMID: 38711825 PMCID: PMC11073151 DOI: 10.2147/ijgm.s463649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 04/21/2024] [Indexed: 05/08/2024] Open
Abstract
Collagen, the predominant protein constituent of the mammalian extracellular matrix (ECM), comprises a diverse family of 28 members (I-XXVIII). Beyond its structural significance, collagen is implicated in various diseases or cancers, notably breast cancer, where it influences crucial cellular processes including proliferation, metastasis, apoptosis, and drug resistance, intricately shaping cancer progression and prognosis. In breast cancer, distinct collagens exhibit differential expression profiles, with some showing heightened or diminished levels in cancerous tissues or cells compared to normal counterparts, suggesting specific and pivotal biological functions. In this review, we meticulously analyze the expression of individual collagen members in breast cancer, utilizing Transcripts Per Million (TPM) data sourced from the GEPIA2 database. Through this analysis, we identify collagens that deviate from normal expression patterns in breast cancer, providing a comprehensive overview of their expression dynamics, functional roles, and underlying mechanisms. Our findings shed light on recent advancements in understanding the intricate interplay between these aberrantly expressed collagens and breast cancer. This exploration aims to offer valuable insights for the identification of potential biomarkers and therapeutic targets, thereby advancing the prospects of more effective interventions in breast cancer treatment.
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Affiliation(s)
- Xia Li
- Department of Molecular Diagnosis, Northern Jiangsu People’s Hospital, Yangzhou, People’s Republic of China
| | - Yue Jin
- Department of Molecular Diagnosis, Northern Jiangsu People’s Hospital, Yangzhou, People’s Republic of China
| | - Jian Xue
- Department of Emergency Medicine, Yizheng People’s Hospital, Yangzhou, People’s Republic of China
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Iacobescu GL, Iacobescu L, Popa MIG, Covache-Busuioc RA, Corlatescu AD, Cirstoiu C. Genomic Determinants of Knee Joint Biomechanics: An Exploration into the Molecular Basis of Locomotor Function, a Narrative Review. Curr Issues Mol Biol 2024; 46:1237-1258. [PMID: 38392197 PMCID: PMC10888373 DOI: 10.3390/cimb46020079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 01/20/2024] [Accepted: 01/25/2024] [Indexed: 02/24/2024] Open
Abstract
In recent years, the nexus between genetics and biomechanics has garnered significant attention, elucidating the role of genomic determinants in shaping the biomechanical attributes of human joints, specifically the knee. This review seeks to provide a comprehensive exploration of the molecular basis underlying knee joint locomotor function. Leveraging advancements in genomic sequencing, we identified specific genetic markers and polymorphisms tied to key biomechanical features of the knee, such as ligament elasticity, meniscal resilience, and cartilage health. Particular attention was devoted to collagen genes like COL1A1 and COL5A1 and their influence on ligamentous strength and injury susceptibility. We further investigated the genetic underpinnings of knee osteoarthritis onset and progression, as well as the potential for personalized rehabilitation strategies tailored to an individual's genetic profile. We reviewed the impact of genetic factors on knee biomechanics and highlighted the importance of personalized orthopedic interventions. The results hold significant implications for injury prevention, treatment optimization, and the future of regenerative medicine, targeting not only knee joint health but joint health in general.
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Affiliation(s)
- Georgian-Longin Iacobescu
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
- University Emergency Hospital, 050098 Bucharest, Romania
| | - Loredana Iacobescu
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
- University Emergency Hospital, 050098 Bucharest, Romania
| | - Mihnea Ioan Gabriel Popa
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
- University Emergency Hospital, 050098 Bucharest, Romania
| | - Razvan-Adrian Covache-Busuioc
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Antonio-Daniel Corlatescu
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Catalin Cirstoiu
- Orthopaedics and Traumatology Department, "Carol Davila" University of Medicine and Pharmacy, 050474 Bucharest, Romania
- University Emergency Hospital, 050098 Bucharest, Romania
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Yin Y, Zhang Y, Guo L, Li P, Wang D, Huang L, Zhao X, Wu G, Li L, Wei X. Effect of Moderate Exercise on the Superficial Zone of Articular Cartilage in Age-Related Osteoarthritis. Diagnostics (Basel) 2023; 13:3193. [PMID: 37892013 PMCID: PMC10605492 DOI: 10.3390/diagnostics13203193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/08/2023] [Accepted: 10/10/2023] [Indexed: 10/29/2023] Open
Abstract
This study aimed to evaluate the effect of exercise on the superficial zone of the osteoarticular cartilage during osteoarthritis progression. Three-month-old, nine-month-old, and eighteen-month-old Sprague Dawley rats were randomly divided into two groups, moderate exercise and no exercise, for 10 weeks. Histological staining, immunostaining, and nanoindentation measurements were conducted to detect changes in the superficial zone. X-ray and micro-CT were quantitated to detect alterations in the microarchitecture of the tibial subchondral bone. Cells were extracted from the superficial zone of the cartilage under fluid-flow shear stress conditions to further verify changes in vitro. The number of cells and proteoglycan content in the superficial zone increased more in the exercise group than in the control group. Exercise can change the content and distribution of collagen types I and III in the superficial layer. In addition, TGFβ/pSmad2/3 and Prg4 expression levels increased under the intervention of exercise on the superficial zone. Exercise can improve the Young's modulus of the cartilage and reduce the abnormal subchondral bone remodeling which occurs after superficial zone changes. Moderate exercise delays the degeneration of the articular cartilage by its effect on the superficial zone, and the TGFβ/pSmad2/3 signaling pathways and Prg4 play an important role.
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Affiliation(s)
- Yukun Yin
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Yuanyu Zhang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Li Guo
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Pengcui Li
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Dongming Wang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Lingan Huang
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
- Beijing Key Laboratory of Sports Injuries, Department of Sports Medicine, Peking University Third Hospital, Peking University, Beijing 100191, China
| | - Xiaoqin Zhao
- College of Physical Education, Taiyuan University of Technology, Taiyuan 030024, China;
| | - Gaige Wu
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Lu Li
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
| | - Xiaochun Wei
- Shanxi Key Laboratory of Bone and Soft Tissue Injury Repair, Department of Orthopaedics, The Second Hospital of Shanxi Medical University, 382 Wuyi Road, Taiyuan 030001, China; (Y.Y.); (Y.Z.); (L.G.); (P.L.); (D.W.); (L.H.); (G.W.)
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Lü G, Wu R, Wang B, Li L, Li Y, Li X, He H, Wang X, Kuang L. SPTLC2 ameliorates chondrocyte dysfunction and extracellular matrix metabolism disturbance in vitro and in vivo in osteoarthritis. Exp Cell Res 2023; 425:113524. [PMID: 36828166 DOI: 10.1016/j.yexcr.2023.113524] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 02/09/2023] [Accepted: 02/21/2023] [Indexed: 02/24/2023]
Abstract
Disturbances in chondrocyte extracellular matrix (ECM) metabolism in osteoarthritis (OA) are a major cause of OA and potentially lead to personal disability, placing a huge burden on society. Chondrocyte apoptosis and ECM catabolism have a major role in the OA process. Firstly, bioinformatics analysis was performed to screen differentially expressed genes (DEGs) in OA, and serine palmitoyltransferase subunit 2 (SPTLC2) was chosen, which had high-level expression in the OA cartilage tissues and OA chondrocytes. Overexpression and knockdown of SPTLC2 were achieved in OA chondrocytes and normal chondrocytes respectively to study the effect of SPTLC2 upon ECM metabolism of chondrocytes. Cell viability and apoptosis were measured using MTT and flow cytometry analyses; SPTLC2 overexpression enhanced the OA chondrocyte viability and decreased apoptotic rate. In addition, Western blot detection of ECM-related factors (Collagen I, Collage II, MMP-1, MMP-3, and MMP-13) revealed that SPTLC2 overexpression promoted the expression of collagens (Collagen I and Collage II) and suppressed matrix metalloproteinase (MMP-1, MMP-3, and MMP-13) level. In contrast, SPTLC2 knockdown in normal chondrocytes showed opposite effects on cell viability, apoptosis, and ECM degeneration. The articular cartilage of OA rats was transfected with lentivirus overexpressing SPTLC2; HE and Safranin-O fast green demonstrated that SPTLC2 overexpression could alleviate chondrocyte injuries and slow down the development of OA. In conclusion, SPTLC2 plays a role in OA and may be a potential target gene for the treatment of OA.
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Affiliation(s)
- Guohua Lü
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Ren Wu
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Bing Wang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Lei Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Yunchao Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Xinyi Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Haoyu He
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Xiaoxiao Wang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Lei Kuang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China.
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Yoo HJ, Jeong HW, Kim SW, Kim M, Lee JI, Lee YS. Prediction of progression rate and fate of osteoarthritis: Comparison of machine learning algorithms. J Orthop Res 2023; 41:583-590. [PMID: 35716159 DOI: 10.1002/jor.25398] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 05/15/2022] [Accepted: 06/15/2022] [Indexed: 02/04/2023]
Abstract
Appropriate prediction models can assist healthcare systems in delaying or reversing osteoarthritis (OA) progression. We aimed to identify a reliable algorithm for predicting the progression rate and fate of OA based on patient-specific information. From May 2003 to 2019, 83,280 knees were collected. Age, sex, body mass index, bone mineral density, physical demands for occupation, comorbidities, and initial Kellgren-Lawrence (K-L) grade were used as variables for the prediction models. The prediction targets were divided into dichotomous groups for even distribution. We compared the performances of logistic regression (LR), random forest (RF), and extreme gradient boost (XGB) algorithms. Each algorithm had the best precision when the model used all variables. XGB showed the best results in accuracy, recall, F1 score, specificity, and error rates (progression rate/fate of OA: 0.710/0.877, 0.542/0.637, 0.637/0.758, 0.859/0.981, and 0.290/0.123, respectively). The feature importance of RF and XGB had the same order up to the top six for each prediction target. Age and initial K-L grade had the highest feature importance in RF and XGB for the progression rate and fate of OA, respectively. The XGB and RF machine learning algorithms showed better performance than conventional LR in predicting the progression rate and fate of OA. The best performance was obtained when all variables were combined using the XGB algorithm. For each algorithm, the initial K-L grade and physical demand for occupation were the greatest contributors with superior feature importance compared with the others.
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Affiliation(s)
- Hyun Jin Yoo
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea.,Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon, South Korea
| | - Ho Won Jeong
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
| | - Sung Woon Kim
- Department of Mathematics, Sungkyunkwan University College of Natural Sciences, Suwon, South Korea
| | - Myeongju Kim
- Center for Artificial Intelligence in Healthcare, Seoul National University Bundang Hospital, Seoul, South Korea
| | - Jae Ik Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
| | - Yong Seuk Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul, South Korea
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11
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Yoo HJ, Jeong HW, Park SB, Shim SJ, Nam HS, Lee YS. Do Individualized Patient-Specific Situations Predict the Progression Rate and Fate of Knee Osteoarthritis? Prediction of Knee Osteoarthritis. J Clin Med 2023; 12:jcm12031204. [PMID: 36769856 PMCID: PMC9918059 DOI: 10.3390/jcm12031204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/16/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Factors affecting the progression rate and fate of osteoarthritis need to be analyzed when considering patient-specific situation. This study aimed to identify the rate of remarkable progression and fate of primary knee osteoarthritis based on patient-specific situations. Between May 2003 and May 2019, 83,280 patients with knee pain were recruited for this study from the clinical data warehouse. Finally, 2492 knees with pain that were followed up for more than one year were analyzed. For analyzing affecting factors, patient-specific information was categorized and classified as demographic, radiologic, social, comorbidity disorders, and surgical intervention data. The degree of contribution of factors to the progression rate and the fate of osteoarthritis was analyzed. Bone mineral density (BMD), Kellgren-Lawrence (K-L) grade, and physical occupational demands were major contributors to the progression rate of osteoarthritis. Hypertension, initial K-L grade, and physical occupational demands were major contributors to the outcome of osteoarthritis. The progression rate and fate of osteoarthritis were mostly affected by the initial K-L grade and physical occupational demands. Patients who underwent surgical intervention for less than five years had the highest proportion of initial K-L grade 2 (49.0%) and occupations with high physical demand (41.3%). In identifying several contributing factors, the initial K-L grade and physical occupational demands were the most important factors. BMD and hypertension were also major contributors to the progression and fate of osteoarthritis, and the degree of contribution was lower compared to the two major factors.
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Affiliation(s)
- Hyun Jin Yoo
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
- Department of Orthopedic Surgery, Konyang University College of Medicine, Daejeon 35365, Republic of Korea
| | - Ho Won Jeong
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
| | - Sung Bae Park
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
| | - Seung Jae Shim
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
| | - Hee Seung Nam
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
| | - Yong Seuk Lee
- Department of Orthopaedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 13620, Republic of Korea
- Correspondence: or ; Tel.: +82-31-787-7199; Fax: +82-31-787-4056
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12
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Nanomodulation and nanotherapeutics of tumor-microenvironment. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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13
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Zhu S, Li Y, He Z, Ji L, Zhang W, Tong Y, Luo J, Yu D, Zhang Q, Bi Q. Advanced injectable hydrogels for cartilage tissue engineering. Front Bioeng Biotechnol 2022; 10:954501. [PMID: 36159703 PMCID: PMC9493100 DOI: 10.3389/fbioe.2022.954501] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Accepted: 06/28/2022] [Indexed: 01/10/2023] Open
Abstract
The rapid development of tissue engineering makes it an effective strategy for repairing cartilage defects. The significant advantages of injectable hydrogels for cartilage injury include the properties of natural extracellular matrix (ECM), good biocompatibility, and strong plasticity to adapt to irregular cartilage defect surfaces. These inherent properties make injectable hydrogels a promising tool for cartilage tissue engineering. This paper reviews the research progress on advanced injectable hydrogels. The cross-linking method and structure of injectable hydrogels are thoroughly discussed. Furthermore, polymers, cells, and stimulators commonly used in the preparation of injectable hydrogels are thoroughly reviewed. Finally, we summarize the research progress of the latest advanced hydrogels for cartilage repair and the future challenges for injectable hydrogels.
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Affiliation(s)
- Senbo Zhu
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Yong Li
- Zhejiang University of Technology, Hangzhou, China
| | - Zeju He
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Lichen Ji
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
| | - Wei Zhang
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Yu Tong
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Junchao Luo
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Dongsheng Yu
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Qiong Zhang
- Center for Operating Room, Department of Nursing, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Qing Bi
- Center for Rehabilitation Medicine, Department of Orthopedics, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, China
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14
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Zhang Y, Zhao P, Li S, Mu X, Wang H. CircSCAPER knockdown attenuates IL-1β-induced chondrocyte injury by miR-127-5p/TLR4 axis in osteoarthritis. Autoimmunity 2022; 55:577-586. [PMID: 35993243 DOI: 10.1080/08916934.2022.2103798] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
PURPOSE Osteoarthritis (OA) is a chronic inflammatory degenerative disease characterized by articular cartilage degradation. Circular RNAs have been shown to play significant roles in OA process. Herein, this work aimed to investigate the potential role and mechanism of circSCAPER in OA progression. METHODS Levels of circSCAPER, miR-127-5p and toll-like receptor 4 (TLR4) were detected by qRT-PCR or western blotting. Cell apoptosis was determined by flow cytometry. The expression of Aggrecan and Matrix metallopeptidase was examined using western blot to assess extracellular matrix (ECM) degradation. Inflammatory response and oxidative stress were determined by measuring the release of inflammatory factors, along with the generation of intracellular reactive oxygen species and malondialdehyde. The interaction between miR-127-5p and circSCAPER or TLR4 was determined by dual-luciferase reporter, RNA immunoprecipitation and pull-down assays. RESULTS Chondrocytes were treated with interleukin-1β (IL-1β) to mimic OA condition in vitro. CircSCAPER was increased in OA cartilages and IL-1β-induced chondrocytes. Functionally, knockdown of circSCAPER attenuated IL-1β-evoked apoptosis, ECM degradation, inflammation and oxidative stress in vitro. CircSCAPER up-regulation in OA cartilages was discovered to be accompanied by decreased miR-127-5p and increased TLR4. Mechanistically, circSCAPER acted as a sponge for miR-127-5p to positively regulate TLR4 expression in chondrocytes. IL-1β treatment reduced miR-127-5p expression but up-regulated TLR4 expression, re-expression of miR-127-5p suppressed IL-1β-caused chondrocyte injury, which was abolished by TLR4 overexpression. Moreover, miR-127-5p inhibition reversed the protective action of circSCAPER knockdown on chondrocytes under IL-1β treatment. CONCLUSION CircSCAPER silencing protected against IL-1β-induced apoptosis, ECM degradation, inflammation and oxidative stress in chondrocytes via miR-127-5p/TLR4 axis.
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Affiliation(s)
- Yuchang Zhang
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Ping Zhao
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Sen Li
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Xiangqian Mu
- Department of Orthopedics, Gansu Provincial Hospital of Traditional Chinese Medicine, Lanzhou, China
| | - Huaqi Wang
- Department of Orthopedics, Ankang Traditional Chinese Medicine Hospital, Ankang, China
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15
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Roemer FW, Guermazi A, Demehri S, Wirth W, Kijowski R. Imaging in Osteoarthritis. Osteoarthritis Cartilage 2022; 30:913-934. [PMID: 34560261 DOI: 10.1016/j.joca.2021.04.018] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 04/22/2021] [Accepted: 04/28/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is the most frequent form of arthritis with major implications on both individual and public health care levels. The field of joint imaging, and particularly magnetic resonance imaging (MRI), has evolved rapidly due to the application of technical advances to the field of clinical research. This narrative review will provide an introduction to the different aspects of OA imaging aimed at an audience of scientists, clinicians, students, industry employees, and others who are interested in OA but who do not necessarily focus on OA. The current role of radiography and recent advances in measuring joint space width will be discussed. The status of cartilage morphology assessment and evaluation of cartilage biochemical composition will be presented. Advances in quantitative three-dimensional morphologic cartilage assessment and semi-quantitative whole-organ assessment of OA will be reviewed. Although MRI has evolved as the most important imaging method used in OA research, other modalities such as ultrasound, computed tomography, and metabolic imaging play a complementary role and will also be discussed.
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Affiliation(s)
- F W Roemer
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, FGH Building, 3rd Floor, 820 Harrison Ave, Boston, MA, 02118, USA; Department of Radiology, Friedrich-Alexander University Erlangen-Nürnberg (FAU) and Universitätsklinikum Erlangen, Maximiliansplatz 3, Erlangen, 91054, Germany.
| | - A Guermazi
- Quantitative Imaging Center, Department of Radiology, Boston University School of Medicine, FGH Building, 3rd Floor, 820 Harrison Ave, Boston, MA, 02118, USA; Department of Radiology, VA Boston Healthcare System, 1400 VFW Pkwy, Suite 1B105, West Roxbury, MA, 02132, USA
| | - S Demehri
- Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins University School of Medicine, 600 N. Wolf Street, Park 311, Baltimore, MD, 21287, USA
| | - W Wirth
- Institute of Anatomy, Paracelsus Medical University Salzburg, Salzburg, Austria, Nüremberg, Germany; Ludwig Boltzmann Institute for Arthritis and Rehabilitation, Paracelsus Medical University Salzburg, Strubergasse 21, 5020, Salzburg, Austria; Chondrometrics, GmbH, Freilassing, Germany
| | - R Kijowski
- Department of Radiology, New York University Grossmann School of Medicine, 550 1st Avenue, 3nd Floor, New York, NY, 10016, USA
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16
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Baccarin RYA, Seidel SRT, Michelacci YM, Tokawa PKA, Oliveira TM. Osteoarthritis: a common disease that should be avoided in the athletic horse's life. Anim Front 2022; 12:25-36. [PMID: 35711506 PMCID: PMC9197312 DOI: 10.1093/af/vfac026] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Affiliation(s)
- Raquel Yvonne Arantes Baccarin
- Department of Internal Medicine, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Sarah Raphaela Torquato Seidel
- Department of Internal Medicine, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Yara Maria Michelacci
- Department of Biochemistry, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Paula Keiko Anadão Tokawa
- Department of Internal Medicine, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
| | - Tiago Marcelo Oliveira
- Department of Internal Medicine, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo, São Paulo, Brazil
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17
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Yang Z, Yi P, Liu Z, Zhang W, Mei L, Feng C, Tu C, Li Z. Stem Cell-Laden Hydrogel-Based 3D Bioprinting for Bone and Cartilage Tissue Engineering. Front Bioeng Biotechnol 2022; 10:865770. [PMID: 35656197 PMCID: PMC9152119 DOI: 10.3389/fbioe.2022.865770] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Accepted: 04/18/2022] [Indexed: 12/30/2022] Open
Abstract
Tremendous advances in tissue engineering and regenerative medicine have revealed the potential of fabricating biomaterials to solve the dilemma of bone and articular defects by promoting osteochondral and cartilage regeneration. Three-dimensional (3D) bioprinting is an innovative fabrication technology to precisely distribute the cell-laden bioink for the construction of artificial tissues, demonstrating great prospect in bone and joint construction areas. With well controllable printability, biocompatibility, biodegradability, and mechanical properties, hydrogels have been emerging as an attractive 3D bioprinting material, which provides a favorable biomimetic microenvironment for cell adhesion, orientation, migration, proliferation, and differentiation. Stem cell-based therapy has been known as a promising approach in regenerative medicine; however, limitations arise from the uncontrollable proliferation, migration, and differentiation of the stem cells and fortunately could be improved after stem cells were encapsulated in the hydrogel. In this review, our focus was centered on the characterization and application of stem cell-laden hydrogel-based 3D bioprinting for bone and cartilage tissue engineering. We not only highlighted the effect of various kinds of hydrogels, stem cells, inorganic particles, and growth factors on chondrogenesis and osteogenesis but also outlined the relationship between biophysical properties like biocompatibility, biodegradability, osteoinductivity, and the regeneration of bone and cartilage. This study was invented to discuss the challenge we have been encountering, the recent progress we have achieved, and the future perspective we have proposed for in this field.
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Affiliation(s)
- Zhimin Yang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ping Yi
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Hunan Key Laboratory of Medical Epigenomics, Changsha, China
| | - Zhongyue Liu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Wenchao Zhang
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lin Mei
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chengyao Feng
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Chao Tu
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Zhihong Li
- Department of Orthopedics, The Second Xiangya Hospital, Central South University, Changsha, China
- Hunan Key Laboratory of Tumor Models and Individualized Medicine, The Second Xiangya Hospital, Central South University, Changsha, China
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18
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Kong H, Wang XQ, Zhang XA. Exercise for Osteoarthritis: A Literature Review of Pathology and Mechanism. Front Aging Neurosci 2022; 14:854026. [PMID: 35592699 PMCID: PMC9110817 DOI: 10.3389/fnagi.2022.854026] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Accepted: 03/11/2022] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) has a very high incidence worldwide and has become a very common joint disease in the elderly. Currently, the treatment methods for OA include surgery, drug therapy, and exercise therapy. In recent years, the treatment of certain diseases by exercise has received increasing research and attention. Proper exercise can improve the physiological function of various organs of the body. At present, the treatment of OA is usually symptomatic. Limited methods are available for the treatment of OA according to its pathogenesis, and effective intervention has not been developed to slow down the progress of OA from the molecular level. Only by clarifying the mechanism of exercise treatment of OA and the influence of different exercise intensities on OA patients can we choose the appropriate exercise prescription to prevent and treat OA. This review mainly expounds the mechanism that exercise alleviates the pathological changes of OA by affecting the degradation of the ECM, apoptosis, inflammatory response, autophagy, and changes of ncRNA, and summarizes the effects of different exercise types on OA patients. Finally, it is found that different exercise types, exercise intensity, exercise time and exercise frequency have different effects on OA patients. At the same time, suitable exercise prescriptions are recommended for OA patients.
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Affiliation(s)
- Hui Kong
- College of Kinesiology, Shenyang Sport University, Shenyang, China
| | - Xue-Qiang Wang
- Department of Sport Rehabilitation, Shanghai University of Sport, Shanghai, China
- Department of Rehabilitation Medicine, Shanghai Shangti Orthopedic Hospital, Shanghai, China
- *Correspondence: Xin-An Zhang,
| | - Xin-An Zhang
- College of Kinesiology, Shenyang Sport University, Shenyang, China
- Xue-Qiang Wang,
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19
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Research Progress on the Pharmacological Action of Schisantherin A. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:6420865. [PMID: 35190748 PMCID: PMC8858060 DOI: 10.1155/2022/6420865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 10/23/2021] [Accepted: 01/21/2022] [Indexed: 11/18/2022]
Abstract
Schisantherin A (Sch A) is a dibenzocyclooctadiene lignan monomer isolated from the fruit of Schisandra chinensis (Turcz.) Baill. (S. chinensis). At present, many studies have shown that Sch A has a wide range of pharmacological effects, including its anti-Parkinson and anti-inflammatory effects and ability to protect the liver, protect against ischemia-reperfusion (I/R) injury, suppress osteoclast formation, and improve learning and memory. Its mechanism may be related to the antioxidant, anti-inflammatory, and antiapoptotic properties of Sch A through the MAPK, NF-κB, AKT/GSK3β, and PI3K/AKT pathways. This is the first review of the recent studies on the pharmacological mechanism of Sch A.
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20
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Mechanical Cues: Bidirectional Reciprocity in the Extracellular Matrix Drives Mechano-Signalling in Articular Cartilage. Int J Mol Sci 2021; 22:ijms222413595. [PMID: 34948394 PMCID: PMC8707858 DOI: 10.3390/ijms222413595] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/08/2021] [Accepted: 12/15/2021] [Indexed: 12/29/2022] Open
Abstract
The composition and organisation of the extracellular matrix (ECM), particularly the pericellular matrix (PCM), in articular cartilage is critical to its biomechanical functionality; the presence of proteoglycans such as aggrecan, entrapped within a type II collagen fibrillar network, confers mechanical resilience underweight-bearing. Furthermore, components of the PCM including type VI collagen, perlecan, small leucine-rich proteoglycans—decorin and biglycan—and fibronectin facilitate the transduction of both biomechanical and biochemical signals to the residing chondrocytes, thereby regulating the process of mechanotransduction in cartilage. In this review, we summarise the literature reporting on the bidirectional reciprocity of the ECM in chondrocyte mechano-signalling and articular cartilage homeostasis. Specifically, we discuss studies that have characterised the response of articular cartilage to mechanical perturbations in the local tissue environment and how the magnitude or type of loading applied elicits cellular behaviours to effect change. In vivo, including transgenic approaches, and in vitro studies have illustrated how physiological loading maintains a homeostatic balance of anabolic and catabolic activities, involving the direct engagement of many PCM molecules in orchestrating this slow but consistent turnover of the cartilage matrix. Furthermore, we document studies characterising how abnormal, non-physiological loading including excessive loading or joint trauma negatively impacts matrix molecule biosynthesis and/or organisation, affecting PCM mechanical properties and reducing the tissue’s ability to withstand load. We present compelling evidence showing that reciprocal engagement of the cells with this altered ECM environment can thus impact tissue homeostasis and, if sustained, can result in cartilage degradation and onset of osteoarthritis pathology. Enhanced dysregulation of PCM/ECM turnover is partially driven by mechanically mediated proteolytic degradation of cartilage ECM components. This generates bioactive breakdown fragments such as fibronectin, biglycan and lumican fragments, which can subsequently activate or inhibit additional signalling pathways including those involved in inflammation. Finally, we discuss how bidirectionality within the ECM is critically important in enabling the chondrocytes to synthesise and release PCM/ECM molecules, growth factors, pro-inflammatory cytokines and proteolytic enzymes, under a specified load, to influence PCM/ECM composition and mechanical properties in cartilage health and disease.
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21
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Ke Z, Zhu J. Stem-Cell Derived Exosomes for the Treatment of Osteoarthritis. Curr Stem Cell Res Ther 2021; 15:597-601. [PMID: 32026786 DOI: 10.2174/1574888x15666200206104332] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2019] [Revised: 09/02/2019] [Accepted: 11/29/2019] [Indexed: 01/08/2023]
Abstract
Osteoarthritis(OA) is a common degenerative orthopedic disease with multiple pathologic changes in joints affecting large populations worldwide. No treatment can reverse the progress of OA. Since exosomes were first reported in 1983, researches have been conducted to explore the mechanisms and therapeutic potential of exosomes in treating OA. Exosomes derived from Mesenchymal stem cells have attracted increasing attention in tackling the disease. This article summarizes the current advances and challenges in exosomes for OA, which may providea reference for further research.
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Affiliation(s)
- Zekai Ke
- Department of Orthopaedics, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen, Guangdong Province 518055, China
| | - Jinyu Zhu
- Department of Orthopaedics, Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen, Guangdong Province 518055, China
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22
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Zhang M, Wang M, Wang H, Zhang Y, Li Z, Feng Y, Liu Y, Liu Y, Liao Y, Wang W, Fang Q, Chen J. Decreased Expression of Heat Shock Protein 47 Is Associated with T-2 Toxin and Low Selenium-Induced Matrix Degradation in Cartilages of Kashin-Beck Disease. Biol Trace Elem Res 2021; 199:944-954. [PMID: 32591934 DOI: 10.1007/s12011-020-02237-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Accepted: 06/08/2020] [Indexed: 01/21/2023]
Abstract
Recent evidence suggests a role of type II collagen in Kashin-Beck disease (KBD) degeneration. We aimed to assess the abnormal expression of heat shock protein 47 (HSP47) which is associated with a decrease in type II collagen and an increase in cartilage degradation in KBD. Hand phalange cartilages were collected from KBD and healthy children. Rats were administered with T-2 toxin under the selenium (Se)-deficient diet. ATDC5 cells were seeded on bone matrix gelatin to construct engineered cartilaginous tissue. C28/I2 and ATDC5 cells and engineered tissue were exposed to different concentrations of T-2 toxin with or without Se. Cartilage degeneration was determined through histological evaluation. The distribution and expression of type II collagen and HSP47 were investigated through immunohistochemistry, western blotting, and real-time PCR. KBD cartilages showed increased chondronecrosis and extracellular matrix degradation in deep zone with decreased type II collagen and HSP47 expression. The low-Se + T-2 toxin animal group showed a significantly lower type II collagen expression along with decreased HSP47 expression. Decreased type II collagen and HSP47 in C28/I2 and ATDC5 cells induced by T-2 toxin showed a dose-dependent manner. Hyaline-like cartilage with zonal layers was developed in engineered cartilaginous tissues, with decreased type II collagen and HSP47 expression found in T-2 toxin-treated group. Se-supplementation partially antagonized the inhibitory effects of T-2 toxin in chondrocytes and cartilages. HSP47 plays a role in the degenerative changes of KBD and associated with T-2 toxin-induced decreased type II collagen expression, further promoting matrix degradation.
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Affiliation(s)
- Meng Zhang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Mengying Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Hui Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Ying Zhang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Zhengzheng Li
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yiping Feng
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yinan Liu
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yue Liu
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Yucheng Liao
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Wenjun Wang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Qian Fang
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Jinghong Chen
- School of Public Health, Health Science Center, Key Laboratory of Trace Elements and Endemic Diseases in National Health Commission of PR of China, Xi'an Jiaotong University, Xi'an, Shaanxi, China.
- The Institute of Endemic Diseases, Health Science Center, Xi'an Jiaotong University, Xi'an, 710061, Shaanxi, China.
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COMP and TSP-4: Functional Roles in Articular Cartilage and Relevance in Osteoarthritis. Int J Mol Sci 2021; 22:ijms22052242. [PMID: 33668140 PMCID: PMC7956748 DOI: 10.3390/ijms22052242] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 02/16/2021] [Accepted: 02/20/2021] [Indexed: 12/18/2022] Open
Abstract
Osteoarthritis (OA) is a slow-progressing joint disease, leading to the degradation and remodeling of the cartilage extracellular matrix (ECM). The usually quiescent chondrocytes become reactivated and accumulate in cell clusters, become hypertrophic, and intensively produce not only degrading enzymes, but also ECM proteins, like the cartilage oligomeric matrix protein (COMP) and thrombospondin-4 (TSP-4). To date, the functional roles of these newly synthesized proteins in articular cartilage are still elusive. Therefore, we analyzed the involvement of both proteins in OA specific processes in in vitro studies, using porcine chondrocytes, isolated from femoral condyles. The effect of COMP and TSP-4 on chondrocyte migration was investigated in transwell assays and their potential to modulate the chondrocyte phenotype, protein synthesis and matrix formation by immunofluorescence staining and immunoblot. Our results demonstrate that COMP could attract chondrocytes and may contribute to a repopulation of damaged cartilage areas, while TSP-4 did not affect this process. In contrast, both proteins similarly promoted the synthesis and matrix formation of collagen II, IX, XII and proteoglycans, but inhibited that of collagen I and X, resulting in a stabilized chondrocyte phenotype. These data suggest that COMP and TSP-4 activate mechanisms to protect and repair the ECM in articular cartilage.
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Nallanthighal S, Heiserman JP, Cheon DJ. Collagen Type XI Alpha 1 (COL11A1): A Novel Biomarker and a Key Player in Cancer. Cancers (Basel) 2021; 13:935. [PMID: 33668097 PMCID: PMC7956367 DOI: 10.3390/cancers13050935] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/18/2021] [Accepted: 02/19/2021] [Indexed: 12/17/2022] Open
Abstract
Collagen type XI alpha 1 (COL11A1), one of the three alpha chains of type XI collagen, is crucial for bone development and collagen fiber assembly. Interestingly, COL11A1 expression is increased in several cancers and high levels of COL11A1 are often associated with poor survival, chemoresistance, and recurrence. This review will discuss the recent discoveries in the biological functions of COL11A1 in cancer. COL11A1 is predominantly expressed and secreted by a subset of cancer-associated fibroblasts, modulating tumor-stroma interaction and mechanical properties of extracellular matrix. COL11A1 also promotes cancer cell migration, metastasis, and therapy resistance by activating pro-survival pathways and modulating tumor metabolic phenotype. Several inhibitors that are currently being tested in clinical trials for cancer or used in clinic for other diseases, can be potentially used to target COL11A1 signaling. Collectively, this review underscores the role of COL11A1 as a promising biomarker and a key player in cancer.
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Affiliation(s)
| | | | - Dong-Joo Cheon
- Department of Regenerative and Cancer Cell Biology, Albany Medical College, Albany, NY 12208, USA; (S.N.); (J.P.H.)
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Ngadimin KD, Stokes A, Gentile P, Ferreira AM. Biomimetic hydrogels designed for cartilage tissue engineering. Biomater Sci 2021; 9:4246-4259. [DOI: 10.1039/d0bm01852j] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Cartilage-like hydrogels based on materials like gelatin, chondroitin sulfate, hyaluronic acid and polyethylene glycol are reviewed and contrasted, revealing existing limitations and challenges on biomimetic hydrogels for cartilage regeneration.
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Affiliation(s)
- Kresanti D. Ngadimin
- Faculty of Medical Sciences
- Newcastle University
- Newcastle upon Tyne
- UK
- Faculty of Medicine
| | - Alexander Stokes
- Faculty of Science
- Agriculture & Engineering
- Newcastle University
- Newcastle upon Tyne
- UK
| | - Piergiorgio Gentile
- Faculty of Science
- Agriculture & Engineering
- Newcastle University
- Newcastle upon Tyne
- UK
| | - Ana M. Ferreira
- Faculty of Science
- Agriculture & Engineering
- Newcastle University
- Newcastle upon Tyne
- UK
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Güz BC, Molenaar R, de Jong IC, Kemp B, van Krimpen M, van den Brand H. Effects of green light emitting diode light during incubation and dietary organic macro and trace minerals during rearing on tibia characteristics of broiler chickens at slaughter age. Poult Sci 2020; 100:707-720. [PMID: 33518124 PMCID: PMC7858192 DOI: 10.1016/j.psj.2020.11.042] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2020] [Revised: 10/15/2020] [Accepted: 11/23/2020] [Indexed: 01/22/2023] Open
Abstract
This study was designed to evaluate the effects of green light emitting diode (LED) light during incubation and dietary organic macro and trace minerals during rearing on tibia morphological, biophysical, and mechanical characteristics of broiler chickens at slaughter age. The experiment was setup as a 2 × 2 × 2 factorial arrangement, with the following treatments: 1) light during incubation (green LED light or darkness), 2) macro mineral source during rearing (organic or inorganic Ca and P), and 3) trace mineral source during rearing (organic or inorganic Fe, Cu, Mn, Zn, and Se). A total of 2,400 eggs (Ross 308) were either incubated under green LED light (16L:8D) or in complete darkness. After hatch, a total of 864 male broiler chickens were reared until slaughter age (day 42) and provided with 1 of 4 diets, differing in macro and/or trace mineral source. During rearing, the experiment had a complete randomized block design with 9 replicate pens per treatment and 12 chickens per pen. At slaughter age (day 42), 2 chickens per replicate were randomly selected and tibia bones were obtained. Tibia weight, length, thickness, osseous volume, pore volume, total volume, mineral content, mineral density, ultimate strength, and stiffness were determined. Green LED light during incubation did not affect any of the tibia characteristics. Dietary organic macro minerals positively affected most of the tibia morphological, biophysical, and mechanical characteristics compared to the inorganic macro minerals, whereas trace mineral sources did not affect tibia characteristics. It can be concluded that dietary organic macro minerals Ca and P stimulated tibia characteristics, whereas green LED light during incubation and dietary trace minerals during rearing did not affect tibia characteristics, locomotion, or leg disorders.
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Affiliation(s)
- B C Güz
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands.
| | - R Molenaar
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
| | - I C de Jong
- Wageningen Livestock Research, Wageningen University and Research, 6700 AH, Wageningen, Gelderland, The Netherlands
| | - B Kemp
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
| | - M van Krimpen
- Wageningen Livestock Research, Wageningen University and Research, 6700 AH, Wageningen, Gelderland, The Netherlands
| | - H van den Brand
- Adaptation Physiology Group, Wageningen University and Research, 6700 AH, Wageningen, The Netherlands
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Kim DH, Lee KJ, Choi D, Lee JI, Choi HG, Lee YS. Can Additional Patient Information Improve the Diagnostic Performance of Deep Learning for the Interpretation of Knee Osteoarthritis Severity. J Clin Med 2020; 9:jcm9103341. [PMID: 33080993 PMCID: PMC7603189 DOI: 10.3390/jcm9103341] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/28/2020] [Accepted: 10/15/2020] [Indexed: 11/16/2022] Open
Abstract
The study compares the diagnostic performance of deep learning (DL) with that of the former radiologist reading of the Kellgren-Lawrence (KL) grade and evaluates whether additional patient data can improve the diagnostic performance of DL. From March 2003 to February 2017, 3000 patients with 4366 knee AP radiographs were randomly selected. DL was trained using knee images and clinical information in two stages. In the first stage, DL was trained only with images and then in the second stage, it was trained with image data and clinical information. In the test set of image data, the areas under the receiver operating characteristic curve (AUC)s of the DL algorithm in diagnosing KL 0 to KL 4 were 0.91 (95% confidence interval (CI), 0.88-0.95), 0.80 (95% CI, 0.76-0.84), 0.69 (95% CI, 0.64-0.73), 0.86 (95% CI, 0.83-0.89), and 0.96 (95% CI, 0.94-0.98), respectively. In the test set with image data and additional patient information, the AUCs of the DL algorithm in diagnosing KL 0 to KL 4 were 0.97 (95% confidence interval (CI), 0.71-0.74), 0.85 (95% CI, 0.80-0.86), 0.75 (95% CI, 0.66-0.73), 0.86 (95% CI, 0.79-0.85), and 0.95 (95% CI, 0.91-0.97), respectively. The diagnostic performance of image data with additional patient information showed a statistically significantly higher AUC than image data alone in diagnosing KL 0, 1, and 2 (p-values were 0.008, 0.020, and 0.027, respectively).The diagnostic performance of DL was comparable to that of the former radiologist reading of the knee osteoarthritis KL grade. Additional patient information improved DL diagnosis in interpreting early knee osteoarthritis.
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Affiliation(s)
- Dong Hyun Kim
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (D.H.K.); (J.I.L.); (H.G.C.)
- Department of Orthopaedic Surgery, Gwangmyeong 21st Century Hospital, Gyeonggi-do 14100, Korea
| | - Kyong Joon Lee
- Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (K.J.L.); (D.C.)
| | - Dongjun Choi
- Department of Radiology, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (K.J.L.); (D.C.)
| | - Jae Ik Lee
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (D.H.K.); (J.I.L.); (H.G.C.)
| | - Han Gyeol Choi
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (D.H.K.); (J.I.L.); (H.G.C.)
| | - Yong Seuk Lee
- Department of Orthopedic Surgery, Seoul National University College of Medicine, Seoul National University Bundang Hospital, Seoul 03080, Korea; (D.H.K.); (J.I.L.); (H.G.C.)
- Correspondence: or ; Tel.: +82-31-787-7199; Fax: +82-31-787-4056
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Li G, Tan W, Fang Y, Wu X, Zhou W, Zhang C, Zhang Y, Liu Y, Jiu G, Liu D. circFADS2 protects LPS-treated chondrocytes from apoptosis acting as an interceptor of miR-498/mTOR cross-talking. Aging (Albany NY) 2020; 11:3348-3361. [PMID: 31141496 PMCID: PMC6555446 DOI: 10.18632/aging.101986] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Accepted: 05/17/2019] [Indexed: 12/12/2022]
Abstract
We aimed to investigate the regulation of circular RNAs in lipopolysaccharide (LPS)-treated chondrocytes isolated from SD rat. In this study, we analyzed how circFADS2 was regulated in LPS-treated chondrocytes and isolates from Rheumatoid arthritis (RA) patients and found that circFADS2 and mTOR were highly expressed whereas miR-498 expression was significantly reduced. We then silenced circFADS2 in LPS-treated chondrocytes; this resulted in a declined expression of type II collagen, but an increase in the expression of MMP-13, COX-2, and IL-6. Overall, silencing circFADS2 caused a significant reduction in the proliferative rate of LPS-treated chondrocytes, increased apoptotic levels, miR-498 upregulation, and mTOR downregulation. Dual-luciferase reporter assay indicated that circFADS2 directly targeted miR-498. In contrast, miR-498 down-regulation affected circFADS2 silencing, promoting extracellular matrix (ECM) degradation and apoptosis. The 3’ UTR of the mTOR gene is targeted by miR-498, and consequently, in cells transfected with miR-498, there was a significant reduction of mTOR expression at the protein and mRNA levels. Silencing mTOR had a similar effect to circFADS2 silencing on type II collagen, MMP-13, COX-2, and IL-6 expression, as well as cell proliferation and apoptosis. In conclusion, circFADS2 may affect LPS-induced chondrocytes properties by regulating the ECM catabolism, inflammation, and apoptosis in chondrocytes.
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Affiliation(s)
- Guoqing Li
- , Department of Rheumatology, Affiliated hospital of Yangzhou University, Yangzhou University, Jiangsu 225000, China
| | - Wei Tan
- , Department of Rheumatology, Affiliated hospital of Yangzhou University, Yangzhou University, Jiangsu 225000, China
| | - Yuxuan Fang
- , Clinical Medical College, Dalian Medical University, Jiangsu 225000, China
| | - Xia Wu
- , Clinical Medical College, Dalian Medical University, Jiangsu 225000, China
| | - Wei Zhou
- , Department of Rheumatology, Affiliated hospital of Yangzhou University, Yangzhou University, Jiangsu 225000, China
| | - Chunwang Zhang
- , Clinical Medical College, Dalian Medical University, Jiangsu 225000, China
| | - Yu Zhang
- , Medical College of Yangzhou University, Jiangsu 225000, China
| | - Yanqing Liu
- , Medical College of Yangzhou University, Jiangsu 225000, China
| | - Guangzheng Jiu
- , Department of Physiology, School of Medicine, Showa University, Jiangsu 225000, China
| | - Dan Liu
- , Department of Pathology, Clinical Medical College, Yangzhou University, Jiangsu 225000, China
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CARGEL Bioscaffold improves cartilage repair tissue after bone marrow stimulation in a minipig model. J Exp Orthop 2020; 7:26. [PMID: 32385730 PMCID: PMC7210369 DOI: 10.1186/s40634-020-00245-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 04/28/2020] [Indexed: 11/25/2022] Open
Abstract
Purpose To gain knowledge of the repair tissue in critically sized cartilage defects using bone marrow stimulation combined with CARGEL Bioscaffold (CB) compared with bone marrow stimulation (BMS) alone in a validated animal model. Methods Six adult Göttingen minipigs received two chondral defects in each knee. The knees were randomized to either BMS combined with CB or BMS alone. The animals were euthanized after 6 months. Follow-up consisted of histomorphometry, immunohistochemistry, semiquantitative scoring of the repair tissue (ICRS II), and μCT of the trabecular bone beneath the defect. Results There was significantly more fibrocartilage (80% vs 64%, p = 0.04) and a trend towards less fibrous tissue (15% vs 30%, p = 0.05) in the defects treated with CB. Hyaline cartilage was only seen in one defect treated with CB and none treated with BMS alone. For histological semiquantitative score (ICRS II), defects treated with CB scored lower on subchondral bone (69 vs. 44, p = 0.04). No significant differences were seen on the other parameters of the ICRS II. Immunohistochemistry revealed a trend towards more positive staining for collagen type II in the CB group (p = 0.08). μCT demonstrated thicker trabeculae (p = 0.029) and a higher bone material density (p = 0.028) in defects treated with CB. Conclusion Treatment of cartilage injuries with CARGEL Bioscaffold seems to lead to an improved repair tissue and a more pronounced subchondral bone response compared with bone marrow stimulation alone. However, the CARGEL Bioscaffold treatment did not lead to formation of hyaline cartilage.
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30
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Shi Y, Zhou Z, Liu B, Kong S, Chen B, Bai H, Li L, Pu F, Xu P. Construction of a High-Density Genetic Linkage Map and QTL Mapping for Growth-Related Traits in Takifugu bimaculatus. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2020; 22:130-144. [PMID: 31900733 DOI: 10.1007/s10126-019-09938-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 12/03/2019] [Indexed: 06/10/2023]
Abstract
Takifugu bimaculatus is a euryhaline species, distributed ranging from the southern Yellow Sea to the South China Sea. Their tolerance to a wide range of salinity and temperature, coupled with a desirable firm texture, makes T. bimaculatus a strong candidate for Takifugu aquaculture in subtropics areas. Due to the increasing demand in markets and emerging of the Takifugu aquaculture industry, close attention has been paid to improvement on the T. bimaculatus production. In aquaculture, the great effort has been put into marker-assisted selective breeding, and efficient improvement was realized. However, few genetic resources on T. bimaculatus are provided so far. Aiming at understanding the genetic basis underlying important economic growth traits, facilitating genetic improvement and enriching the genetic resource in T. bimaculatus, we constructed the first genetic linkage map for T. bimaculatus via double digestion restriction-site association DNA sequencing and conducted quantitative traits locus (QTL) mapping for growth-related traits. The map comprised 1976 single nucleotide polymorphism markers distributed on 22 linkage groups (LG), with a total genetic distance of 2039.74 cM. Based on the linkage map, a chromosome-level assembly was constructed whereby we carried out comparative genomics analysis, verifying the high accuracy on contigs ordering of the linkage map. On the other hand, 18 QTLs associated with growth traits were detected on LG6, LG7, LG8, LG10, LG20, and LG21 with phenotypical variance ranging from 15.1 to 56.4%. Candidate genes participating in cartilage development, fat accumulation, and other growth-related regulation activities were identified from these QTLs, including col11a1, foxa2, and thrap3. The linkage map provided a solid foundation for chromosomes assembly and refinement. QTLs reported here unraveled the genomic architecture of some growth traits, which will advance the investigation of aquaculture breeding efforts in T. bimaculatus.
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Affiliation(s)
- Yue Shi
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Zhixiong Zhou
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Bo Liu
- Fisheries Research Institute of Fujian, Xiamen, China
| | - Shengnan Kong
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Baohua Chen
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Huaqiang Bai
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Leibin Li
- Fisheries Research Institute of Fujian, Xiamen, China
| | - Fei Pu
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China
| | - Peng Xu
- State Key Laboratory of Marine Environmental Science, College of Ocean and Earth Sciences, Xiamen University, Xiamen, China.
- Fujian Key Laboratory of Genetics and Breeding of Marine Organisms, Xiamen University, Xiamen, China.
- Shenzhen Research Institute of Xiamen University, Shenzhen, China.
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Riemenschneider PE, Rose MD, Giordani M, McNary SM. Compressive fatigue and endurance of juvenile bovine articular cartilage explants. J Biomech 2019; 95:109304. [DOI: 10.1016/j.jbiomech.2019.07.048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/31/2019] [Accepted: 07/31/2019] [Indexed: 11/24/2022]
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Seifeldein GS, Haseib A, Hassan HA, Ahmed G. Correlation of knee ultrasonography and Western Ontario and McMaster University (WOMAC) osteoarthritis index in primary knee osteoarthritis. THE EGYPTIAN JOURNAL OF RADIOLOGY AND NUCLEAR MEDICINE 2019. [DOI: 10.1186/s43055-019-0029-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Predicting knee osteoarthritis severity: comparative modeling based on patient's data and plain X-ray images. Sci Rep 2019; 9:5761. [PMID: 30962509 PMCID: PMC6453934 DOI: 10.1038/s41598-019-42215-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Accepted: 03/26/2019] [Indexed: 11/08/2022] Open
Abstract
Knee osteoarthritis (KOA) is a disease that impairs knee function and causes pain. A radiologist reviews knee X-ray images and grades the severity level of the impairments according to the Kellgren and Lawrence grading scheme; a five-point ordinal scale (0-4). In this study, we used Elastic Net (EN) and Random Forests (RF) to build predictive models using patient assessment data (i.e. signs and symptoms of both knees and medication use) and a convolution neural network (CNN) trained using X-ray images only. Linear mixed effect models (LMM) were used to model the within subject correlation between the two knees. The root mean squared error for the CNN, EN, and RF models was 0.77, 0.97 and 0.94 respectively. The LMM shows similar overall prediction accuracy as the EN regression but correctly accounted for the hierarchical structure of the data resulting in more reliable inference. Useful explanatory variables were identified that could be used for patient monitoring before X-ray imaging. Our analyses suggest that the models trained for predicting the KOA severity levels achieve comparable results when modeling X-ray images and patient data. The subjectivity in the KL grade is still a primary concern.
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Torres C, Korver D. Influences of trace mineral nutrition and maternal flock age on broiler embryo bone development. Poult Sci 2018; 97:2996-3003. [DOI: 10.3382/ps/pey136] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 05/15/2018] [Indexed: 01/25/2023] Open
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Franz A, Joseph L, Mayer C, Harmsen JF, Schrumpf H, Fröbel J, Ostapczuk MS, Krauspe R, Zilkens C. The role of oxidative and nitrosative stress in the pathology of osteoarthritis: Novel candidate biomarkers for quantification of degenerative changes in the knee joint. Orthop Rev (Pavia) 2018; 10:7460. [PMID: 30057720 PMCID: PMC6042053 DOI: 10.4081/or.2018.7460] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 12/19/2017] [Accepted: 12/24/2017] [Indexed: 01/08/2023] Open
Abstract
Osteoarthritis (OA) is the most frequently diagnosed joint disorder worldwide with increasing prevalence and crucial impact on the quality of life of affected patients through chronic pain, decreasing mobility and invalidity. Although some risk factors, such as age, obesity and previous joint injury are well established, the exact pathogenesis of OA on a cellular and molecular level remains less understood. Today, the role of nitrosative and oxidative stress has not been investigated conclusively in the pathogenesis of OA yet. Therefore, the objective of this study was to identify biological substances for oxidative and nitrosative stress, which mirror the degenerative processes in an osteoarthritic joint. 69 patients suffering from a diagnosed knee pain participated in this study. Based on the orthopedic diagnosis, patients were classified into an osteoarthritis group (OAG, n=24) or in one of two control groups (meniscopathy, CG1, n=11; anterior cruciate ligament rupture, CG2, n=34). Independently from the study protocol, all patients underwent an invasive surgical intervention which was used to collect samples from the synovial membrane, synovial fluid and human serum. Synovial biopsies were analyzed histopathologically for synovitis (Krenn-Score) and immunohistochemically for detection of end products of oxidative (8-isoprostane F2α) and nitrosative (3-nitrotyrosine) stress. Additionally, the fluid samples were analyzed for 8-isoprostane F2α and 3-nitrotyrosine by competitive ELISA method. The analyzation of inflammation in synovial biopsies revealed a slight synovitis in all three investigated groups. Detectable concentrations of 3-nitrotyrosine were reported in all three investigated groups without showing any significant differences between the synovial biopsies, fluid or human serum. In contrast, significant increased concentrations of 8-isoprostane F2α were detected in OAG compared to both control groups. Furthermore, our data showed a significant correlation between the histopathological synovitis and oxidative stress in OAG (r=0.728, P<0.01). There were no significant differences between the concentrations of 8-isoprostane F2α in synovial fluid and human serum. The findings of the current study support the hypothesis that oxidative and nitrosative stress are components of the multi-factory pathophysiological formation of OA. It seems reasonable that an inflammatory process in the synovial membrane triggers the generation of oxidative and nitrosative acting substances which can lead to a further degradation of the articular cartilage. Based on correlations between the observed degree of inflammation and investigated biomarkers, especially 8-isoprostane F2α seems to be a novel candidate biomarker for OA. However, due to the finding that also both control groups showed increased concentrations of selected biomarkers, future studies have to validate the diagnostic potential of these biomarkers in OA and in related conditions of the knee joint.
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Affiliation(s)
| | - Laura Joseph
- Department of Orthopedics, University Hospital Duesseldorf.,Department of Neurology, Johanna-Etienne Hospital, Neuss
| | | | | | | | - Julia Fröbel
- Institute of Molecular and Clinical Immunology, Otto-von- Guericke-University Magdeburg
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Guilak F, Nims RJ, Dicks A, Wu CL, Meulenbelt I. Osteoarthritis as a disease of the cartilage pericellular matrix. Matrix Biol 2018; 71-72:40-50. [PMID: 29800616 DOI: 10.1016/j.matbio.2018.05.008] [Citation(s) in RCA: 275] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Revised: 05/21/2018] [Accepted: 05/21/2018] [Indexed: 01/16/2023]
Abstract
Osteoarthritis is a painful joint disease characterized by progressive degeneration of the articular cartilage as well as associated changes to the subchondral bone, synovium, and surrounding joint tissues. While the effects of osteoarthritis on the cartilage extracellular matrix (ECM) have been well recognized, it is now becoming apparent that in many cases, the onset of the disease may be initially reflected in the matrix region immediately surrounding the chondrocytes, termed the pericellular matrix (PCM). Growing evidence suggests that the PCM - which along with the enclosed chondrocytes are termed the "chondron" - acts as a critical transducer or "filter" of biochemical and biomechanical signals for the chondrocyte, serving to help regulate the homeostatic balance of chondrocyte metabolic activity in response to environmental signals. Indeed, it appears that alterations in PCM properties and cell-matrix interactions, secondary to genetic, epigenetic, metabolic, or biomechanical stimuli, could in fact serve as initiating or progressive factors for osteoarthritis. Here, we discuss recent advances in the understanding of the role of the PCM, with an emphasis on the reciprocity of changes that occur in this matrix region with disease, as well as how alterations in PCM properties could serve as a driver of ECM-based diseases such as osteoarthritis. Further study of the structure, function, and composition of the PCM in normal and diseased conditions may provide new insights into the understanding of the pathogenesis of osteoarthritis, and presumably new therapeutic approaches for this disease.
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Affiliation(s)
- Farshid Guilak
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110, United States; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, United States; Department of Biomedical Engineering, Washington University, Saint Louis, MO 63110, United States.
| | - Robert J Nims
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110, United States; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, United States
| | - Amanda Dicks
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110, United States; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, United States; Department of Biomedical Engineering, Washington University, Saint Louis, MO 63110, United States
| | - Chia-Lung Wu
- Department of Orthopaedic Surgery, Washington University, Saint Louis, MO 63110, United States; Shriners Hospitals for Children - St. Louis, St. Louis, MO 63110, United States
| | - Ingrid Meulenbelt
- Department of Molecular Epidemiology, Leiden University Medical Center, Leiden, the Netherlands
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Koller U, Waldstein W, Krenn V, Windhager R, Boettner F. Varus knee osteoarthritis: Elevated synovial CD15 counts correlate with inferior biomechanical properties of lateral-compartment cartilage. J Orthop Res 2018; 36:841-846. [PMID: 28817210 DOI: 10.1002/jor.23708] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 08/10/2017] [Indexed: 02/04/2023]
Abstract
The study analyzed the influence of synovitis on the histological and biomechanical properties of lateral-compartment cartilage. In a prospective cohort study, 84 patients (100 knees) with varus deformity of the knee were included. Osteochondral samples from the distal lateral femur underwent biomechanical and histologic analysis. Synovial tissue was sampled for histological (chronic synovitis score) and immunohistochemical evaluation of the degree of synovitis. CD15 (neutrophils), Ki-67 (dividing cells), and CD68 (macrophages) were tested in all synovial samples. While the histological synovitis score did not correlate with the degree of cartilage degeneration (histological OARSI grades), both CD15 (rs = 0.297, p = 0.006) and Ki-67 (rs = 0.249, p = 0.023) correlated with histological OARSI grades. There was a weak negative correlation of CD15 with biomechanical properties of cartilage of the distal lateral femur (aggregate modulus (Ha): rs = -0.125; p = 0.257; dynamic modulus (DM): rs = -0.216; p = 0.048). No correlations were observed for Ki-67 and CD68. In addition, biomechanical properties were inferior in knees with a CD15 of >8/high power field compared to knees with a CD15 of ≤8/high power field (Ha: p = 0.031, d = 0.46; DM: p = 0.005, d = 0.68). The study demonstrates an association of increased inflammatory activity with advanced cartilage degeneration. Lateral-compartment cartilage in knees with elevated synovial CD15 counts has a reduced ability to withstand compressive loads. CD15 might serve as an indicator for inferior biomechanical cartilage properties. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:841-846, 2018.
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Affiliation(s)
- Ulrich Koller
- Department of Orthopaedics, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Wenzel Waldstein
- Department of Orthopaedics, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Veit Krenn
- Medizinisches Versorgungszentrum für Histologie, Zytologie und Molekulare Diagnostik Trier, Trier, Germany
| | - Reinhard Windhager
- Department of Orthopaedics, Vienna General Hospital, Medical University of Vienna, Vienna, Austria
| | - Friedrich Boettner
- Adult Reconstruction & Joint Replacement Division, Hospital for Special Surgery, New York, New York
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Zhou ZB, Du D, Huang GX, Chen A, Zhu L. Circular RNA Atp9b, a competing endogenous RNA, regulates the progression of osteoarthritis by targeting miR-138-5p. Gene 2018; 646:203-209. [PMID: 29305974 DOI: 10.1016/j.gene.2017.12.064] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 12/21/2017] [Accepted: 12/29/2017] [Indexed: 10/18/2022]
Abstract
Osteoarthritis (OA) is the most common joint disease and is mainly characterized by degradation of the articular cartilage. Recently, circular RNAs (circRNAs), novel noncoding RNAs with different biological functions and pathological implications, have been reported to be closely associated with various diseases. Growing evidence indicates that circRNAs act as competing endogenous RNAs (ceRNAs) that bind with microRNAs (miRNAs) and regulate their downstream functions. Here, we identified a new circRNA, circRNA_Atp9b, and further investigated its function in OA using a well-established mouse chondrocyte model. We demonstrated that circRNA_Atp9b expression was significantly up-regulated in mouse chondrocytes after stimulation with interleukin-1 beta (IL-1β), and that knockdown of circRNA_Atp9b promoted the expression of type II collagen while inhibiting the generation of MMP13, COX-2 and IL-6. Moreover, there was a negative correlation between the expression levels of circRNA_Atp9b and microRNA (miR)-138-5p, indicating that miR-138-5p also played a role in IL-1β-induced chondrocytes. Bioinformatics analysis predicted circRNA_Atp9b directly target miR-138-5p, which was validated by dual-luciferase assay. Further functional experiments revealed that down-regulation of miR-138-5p partly reversed the effects of circRNA_Atp9b on extracellular matrix (ECM) catabolism and inflammation. Taken together, these results suggest that circRNA_Atp9b regulates OA progression by modulating ECM catabolism and inflammation in chondrocytes via sponging miR-138-5p. Our findings provide novel insight into the regulatory mechanism of circRNA_Atp9b in OA and may contribute to establishing potential therapeutic strategies.
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Affiliation(s)
- Zhi-Bin Zhou
- Department of Orthopaedic Trauma Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Di Du
- Department of Orthopaedic Trauma Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Gao-Xiang Huang
- Department of Pathology, No. 181 Hospital of PLA, Guilin, Guangxi 541002, China
| | - Aimin Chen
- Department of Orthopaedic Trauma Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China.
| | - Lei Zhu
- Department of Orthopaedic Trauma Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China.
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Abstract
The major synovial joints such as hips and knees are uniquely efficient tribological systems, able to articulate over a wide range of shear rates with a friction coefficient between the sliding cartilage surfaces as low as 0.001 up to pressures of more than 100 atm. No human-made material can match this. The means by which such surfaces maintain their very low friction has been intensively studied for decades and has been attributed to fluid-film and boundary lubrication. Here, we focus especially on the latter: the reduction of friction by molecular layers at the sliding cartilage surfaces. In particular, we discuss such lubrication in the light of very recent advances in our understanding of boundary effects in aqueous media based on the paradigms of hydration lubrication and of the synergism between different molecular components of the synovial joints (namely hyaluronan, lubricin, and phospholipids) in enabling this lubrication.
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Affiliation(s)
- Sabrina Jahn
- Weizmann Institute of Science, Rehovot 76100, Israel;
| | - Jasmine Seror
- Weizmann Institute of Science, Rehovot 76100, Israel;
| | - Jacob Klein
- Weizmann Institute of Science, Rehovot 76100, Israel;
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40
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Ghebes CA, Groen N, Cheuk YC, Fu SC, Fernandes HM, Saris DBF. Muscle-Secreted Factors Improve Anterior Cruciate Ligament Graft Healing: An In Vitro and In Vivo Analysis. Tissue Eng Part A 2017; 24:322-334. [PMID: 28530157 DOI: 10.1089/ten.tea.2016.0546] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
One of the ligaments most often damaged during sports-the anterior cruciate ligament (ACL)-has poor healing capacity. On damage, reconstructive surgery is performed to restore the mechanical stability of the knee and to reduce the inflammatory milieu otherwise present in the joint. A return to normal activities, however, takes between 9 and 12 months. Thus, strategies capable of improving ACL graft healing are needed. Embryonic development of tendon and ligament (T/L) is regulated by a crosstalk between different cell types. We hypothesized that terminally differentiated skeletal-derived cells such as osteoblasts, chondrocytes, and myoblasts modulate T/L healing. Using an indirect coculture system, we discovered that myoblast-secreted signals-but not osteoblasts, chondrocytes, or stromal-secreted signals-are capable of upregulating classical T/L markers such as scleraxis and tenomodulin on human hamstring tendon-derived cells (hTC), which contribute to ACL graft healing. Transcriptome analysis showed that coculturing hTC with myoblasts led to an upregulation of extracellular matrix (ECM) genes and resulted in enhanced ECM deposition. In vivo, using a rat model of ACL reconstruction showed that conditioned media derived from human muscle tissue accelerated femoral tunnel closure, a key step for autograft integration. Collectively, these results indicate that muscle-secreted signals can be used to improve ACL graft healing in a clinical setting where muscle remnants are often discarded.
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Affiliation(s)
- Corina Adriana Ghebes
- 1 MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, The Netherlands
| | - Nathalie Groen
- 2 Department of Nephrology, Leiden University Medical Center , ZA Leiden, The Netherlands
| | - Yau Chuk Cheuk
- 3 Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong , Prince of Wales of Hospital, Shatin, New Territories, Hong Kong, SAR, China .,4 Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong , Prince of Wales of Hospital, Shatin, New Territories, Hong Kong, SAR, China
| | - Sai Chuen Fu
- 3 Department of Orthopaedics and Traumatology, Faculty of Medicine, The Chinese University of Hong Kong , Prince of Wales of Hospital, Shatin, New Territories, Hong Kong, SAR, China .,4 Lui Che Woo Institute of Innovative Medicine, Faculty of Medicine, The Chinese University of Hong Kong , Prince of Wales of Hospital, Shatin, New Territories, Hong Kong, SAR, China
| | - Hugo Machado Fernandes
- 1 MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, The Netherlands .,5 Stem Cells and Drug Screening Lab, Center for Neuroscience and Cell Biology (CNC), University of Coimbra , Coimbra, Portugal
| | - Daniel B F Saris
- 1 MIRA Institute for Biomedical Technology and Technical Medicine, University of Twente , Enschede, The Netherlands .,6 Department of Orthopaedics, University Medical Center Utrecht , Utrecht, The Netherlands
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Luo Y, Sinkeviciute D, He Y, Karsdal M, Henrotin Y, Mobasheri A, Önnerfjord P, Bay-Jensen A. The minor collagens in articular cartilage. Protein Cell 2017; 8:560-572. [PMID: 28213717 PMCID: PMC5546929 DOI: 10.1007/s13238-017-0377-7] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 01/25/2017] [Indexed: 02/06/2023] Open
Abstract
Articular cartilage is a connective tissue consisting of a specialized extracellular matrix (ECM) that dominates the bulk of its wet and dry weight. Type II collagen and aggrecan are the main ECM proteins in cartilage. However, little attention has been paid to less abundant molecular components, especially minor collagens, including type IV, VI, IX, X, XI, XII, XIII, and XIV, etc. Although accounting for only a small fraction of the mature matrix, these minor collagens not only play essential structural roles in the mechanical properties, organization, and shape of articular cartilage, but also fulfil specific biological functions. Genetic studies of these minor collagens have revealed that they are associated with multiple connective tissue diseases, especially degenerative joint disease. The progressive destruction of cartilage involves the degradation of matrix constituents including these minor collagens. The generation and release of fragmented molecules could generate novel biochemical markers with the capacity to monitor disease progression, facilitate drug development and add to the existing toolbox for in vitro studies, preclinical research and clinical trials.
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Affiliation(s)
- Yunyun Luo
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark. .,Faculty of Healthy and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Dovile Sinkeviciute
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark.,Department of Clinical Sciences, Medical Faculty, Lund University, Lund, Sweden
| | - Yi He
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
| | - Morten Karsdal
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Institute of Pathology, Level 5, Arthropole Liège, University of Liège, CHU Sart-Tilman, 4000, Liège, Belgium
| | - Ali Mobasheri
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK.,Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Arthritis Research UK Centre for Musculoskeletal Ageing Research, Queen's Medical Centre, Nottingham, NG7 2UH, UK
| | - Patrik Önnerfjord
- Department of Clinical Sciences, Medical Faculty, Lund University, Lund, Sweden
| | - Anne Bay-Jensen
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
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Igarashi M, Sakamoto K, Nagaoka I. Effect of glucosamine on expression of type II collagen, matrix metalloproteinase and sirtuin genes in a human chondrocyte cell line. Int J Mol Med 2016; 39:472-478. [PMID: 28035358 DOI: 10.3892/ijmm.2016.2842] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2016] [Accepted: 12/15/2016] [Indexed: 11/06/2022] Open
Abstract
Glucosamine (GlcN) has been widely used to treat osteoarthritis (OA) in humans. However, the effects of GlcN on genes related to cartilage metabolism are still unknown. In the present study, to elucidate the chondroprotective action of GlcN on OA, we examined the effects of GlcN (0.1-10 mM) on the expression of the sirtuin (SIRT) genes as well as type II collagen and matrix metalloproteinases (MMPs) using a human chondrocyte cell line SW 1353. SW 1353 cells were incubated in the absence or presence of GlcN. RT-PCR analyses revealed that GlcN markedly increased the mRNA expression of type II collagen (COL2A1). By contrast, the levels of MMP-1 and MMP-9 mRNA were only slightly increased by GlcN. Furthermore, western blot analyses revealed that GlcN significantly increased the protein level of COL2A1. Importantly, GlcN enhanced the mRNA expression and protein level of SIRT1, an upstream-regulating gene of COL2A1. Moreover, a SIRT1 inhibitor suppressed GlcN-induced COL2A1 gene expression. Together these observations suggest that GlcN enhances the mRNA expression and protein level of SIRT1 and its downstream gene COL2A1 in chondrocytes, thereby possibly exhibiting chondroprotective action on OA.
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Affiliation(s)
- Mamoru Igarashi
- Department of Host Defense and Biochemical Research, Graduate School of Medicine, Juntendo University, Tokyo 113-8421, Japan
| | - Koji Sakamoto
- Department of Host Defense and Biochemical Research, Graduate School of Medicine, Juntendo University, Tokyo 113-8421, Japan
| | - Isao Nagaoka
- Department of Host Defense and Biochemical Research, Graduate School of Medicine, Juntendo University, Tokyo 113-8421, Japan
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43
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Murphy NJ, Eyles JP, Hunter DJ. Hip Osteoarthritis: Etiopathogenesis and Implications for Management. Adv Ther 2016; 33:1921-1946. [PMID: 27671326 PMCID: PMC5083776 DOI: 10.1007/s12325-016-0409-3] [Citation(s) in RCA: 140] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Indexed: 01/05/2023]
Abstract
Highly prevalent among the elderly, hip osteoarthritis (OA) carries a heavy burden of disease. Guidelines for the management of hip OA are often extrapolated from knee OA research, despite clear differences in the etiopathogenesis and response to treatments of OA at these sites. We propose that hip OA requires specific attention separate from other OA phenotypes. Our understanding of the etiopathogenesis of hip OA has seen significant advance over the last 15 years, since Ganz and colleagues proposed femoroacetabular impingement (FAI) as an important etiological factor. This narrative review summarizes the current understanding of the etiopathogenesis of hip OA and identifies areas requiring further research. Therapeutic approaches for hip OA are considered in light of the condition’s etiopathogenesis. The evidence for currently adopted management strategies is considered, especially those approaches that may have disease-modifying potential. We propose that shifting the focus of hip OA research and public health intervention to primary prevention and early detection may greatly improve the current management paradigm.
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Affiliation(s)
- Nicholas J Murphy
- Department of Rheumatology, Royal North Shore Hospital and Northern Clinical School, University of Sydney, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia
| | - Jillian P Eyles
- Department of Rheumatology, Royal North Shore Hospital and Northern Clinical School, University of Sydney, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia
| | - David J Hunter
- Department of Rheumatology, Royal North Shore Hospital and Northern Clinical School, University of Sydney, Reserve Road, St Leonards, Sydney, NSW, 2065, Australia.
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44
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Abstract
Osteoarthritis (OA) is the most common joint disorder, is associated with an increasing socioeconomic impact owing to the ageing population and mainly affects the diarthrodial joints. Primary OA results from a combination of risk factors, with increasing age and obesity being the most prominent. The concept of the pathophysiology is still evolving, from being viewed as cartilage-limited to a multifactorial disease that affects the whole joint. An intricate relationship between local and systemic factors modulates its clinical and structural presentations, leading to a common final pathway of joint destruction. Pharmacological treatments are mostly related to relief of symptoms and there is no disease-modifying OA drug (that is, treatment that will reduce symptoms in addition to slowing or stopping the disease progression) yet approved by the regulatory agencies. Identifying phenotypes of patients will enable the detection of the disease in its early stages as well as distinguish individuals who are at higher risk of progression, which in turn could be used to guide clinical decision making and allow more effective and specific therapeutic interventions to be designed. This Primer is an update on the progress made in the field of OA epidemiology, quality of life, pathophysiological mechanisms, diagnosis, screening, prevention and disease management.
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45
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Changes in the osteochondral unit during osteoarthritis: structure, function and cartilage-bone crosstalk. Nat Rev Rheumatol 2016; 12:632-644. [PMID: 27652499 DOI: 10.1038/nrrheum.2016.148] [Citation(s) in RCA: 508] [Impact Index Per Article: 63.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
In diarthrodial joints, the articular cartilage, calcified cartilage, and subchondral cortical and trabecular bone form a biocomposite - referred to as the osteochondral unit - that is uniquely adapted to the transfer of load. During the evolution of the osteoarthritic process the compositions, functional properties, and structures of these tissues undergo marked alterations. Although pathological processes might selectively target a single joint tissue, ultimately all of the components of the osteochondral unit will be affected because of their intimate association, and thus the biological and physical crosstalk among them is of great importance. The development of targeted therapies against the osteoarthritic processes in cartilage or bone will, therefore, require an understanding of the state of these joint tissues at the time of the intervention. Importantly, these interventions will not be successful unless they are applied at the early stages of disease before considerable structural and functional alterations occur in the osteochondral unit. This Review describes the changes that occur in bone and cartilage during the osteoarthritic process, and highlights strategies for how this knowledge could be applied to develop new therapeutic interventions for osteoarthritis.
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46
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Salmon CR, Giorgetti APO, Paes Leme AF, Domingues RR, Sallum EA, Alves MC, Kolli TN, Foster BL, Nociti FH. Global proteome profiling of dental cementum under experimentally-induced apposition. J Proteomics 2016; 141:12-23. [PMID: 27095596 DOI: 10.1016/j.jprot.2016.03.036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Revised: 03/08/2016] [Accepted: 03/21/2016] [Indexed: 12/24/2022]
Abstract
UNLABELLED Dental cementum (DC) covers the tooth root and has important functions in tooth attachment and position. DC can be lost to disease, and regeneration is currently unpredictable due to limited understanding of DC formation. This study used a model of experimentally-induced apposition (EIA) in mice to identify proteins associated with new DC formation. Mandibular first molars were induced to super-erupt for 6 and 21days after extracting opposing maxillary molars. Decalcified and formalin-fixed paraffin-embedded mandible sections were prepared for laser capture microdissection. Microdissected protein extracts were analyzed by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS), and the data submitted to repeated measure ANOVA test (RM-ANOVA, alpha=5%). A total of 519 proteins were identified, with 97 (18.6%) proteins found exclusively in EIA sites and 50 (9.6%) proteins exclusively expressed in control sites. Fifty six (10.7%) proteins were differentially regulated by RM-ANOVA (p<0.05), with 24 regulated by the exclusive effect of EIA (12 proteins) or the interaction between EIA and time (12 proteins), including serpin 1a, procollagen C-endopeptidase enhancer, tenascin X (TNX), and asporin (ASPN). In conclusion, proteomic analysis demonstrated significantly altered protein profile in DC under EIA, providing new insights on DC biology and potential candidates for tissue engineering applications. SIGNIFICANCE Dental cementum (DC) is a mineralized tissue that covers the tooth root surface and has important functions in tooth attachment and position. DC and other periodontal tissues can be lost to disease, and regeneration is currently unpredictable due to lack of understanding of DC formation. This study used a model of experimentally-induced apposition (EIA) in mice to promote new cementum formation, followed by laser capture microdissection (LCM) and liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS) proteomic analysis. This approach identified proteins associated with new cementum formation that may be targets for promoting cementum regeneration.
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Affiliation(s)
- Cristiane R Salmon
- Department of Prosthodontics and Periodontics, Division of Periodontics, Piracicaba Dental School, State University of Campinas, São Paulo, Brazil
| | - Ana Paula O Giorgetti
- Department of Prosthodontics and Periodontics, Division of Periodontics, Piracicaba Dental School, State University of Campinas, São Paulo, Brazil
| | | | - Romênia R Domingues
- National Biosciences Laboratory, Brazilian Synchrotron Light Laboratory, Campinas, SP, Brazil
| | - Enilson Antonio Sallum
- Department of Prosthodontics and Periodontics, Division of Periodontics, Piracicaba Dental School, State University of Campinas, São Paulo, Brazil
| | - Marcelo C Alves
- Technical Section of Informatics, ESALQ-University of São Paulo, Piracicaba, SP, Brazil
| | - Tamara N Kolli
- Biosciences Division, College of Dentistry, Ohio State University, Columbus, OH, United States
| | - Brian L Foster
- Biosciences Division, College of Dentistry, Ohio State University, Columbus, OH, United States
| | - Francisco H Nociti
- Department of Prosthodontics and Periodontics, Division of Periodontics, Piracicaba Dental School, State University of Campinas, São Paulo, Brazil.
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47
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Alghadir AH, Gabr SA, Al-Eisa ES, Alghadir MH. Correlation between bone mineral density and serum trace elements in response to supervised aerobic training in older adults. Clin Interv Aging 2016; 11:265-73. [PMID: 27013870 PMCID: PMC4778779 DOI: 10.2147/cia.s100566] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Background Life style and physical activity play a pivotal role in prevention and treatment of osteoporosis. The mechanism for better bone metabolism and improvement of physical disorders is not clear yet. Trace minerals such as Ca, Mn, Cu, and Zn are essential precursors for most vital biological process, especially those of bone health. Objective The main target of this study was evaluating the effective role of supervised aerobic exercise for 1 hour/day, 3 days/week for 12 weeks in the functions of trace elements in bone health through measuring bone mineral density (BMD), osteoporosis (T-score), bone markers, and trace element concentrations in healthy subjects aged 30–60 years with age average of 41.2±4.9. Methods A total of 100 healthy subjects (47 males, 53 females; age range 30–60 years) were recruited for this study. Based on dual-energy x-ray absorptiometry (DEXA) scan analysis, the participants were classified into three groups: normal (n=30), osteopenic (n=40), and osteoporotic (n=30). Following, 12 weeks of moderate aerobic exercise, bone-specific alkaline phosphatase (BAP), BMD, T-score, and trace elements such as Ca, Mn, Cu, and Zn were assessed at baseline and post-intervention. Results Significant improvement in serum BAP level, T-score, and BMD were observed in all participants following 12 weeks of moderate exercise. Participants with osteopenia and osteoporosis showed significant increase in serum Ca and Mn, along with decrease in serum Cu and Zn levels following 12 weeks of aerobic training. In control group, the improvements in serum trace elements and body mass index were significantly linked with the enhancement in the levels of BAP, BMD hip, and BMD spine. These results supported the preventive effects of moderate exercise in healthy subjects against osteoporosis. In both sexes, the changes in serum trace elements significantly correlated (P<0.05) with the improvement in BAP, BMD hip, BMD spine, and body mass index in all groups. Conclusion The observed changes in the levels of Ca, Mn, Cu, and Zn were shown to be positively correlated with improved bone mass density among control and osteoporosis subjects of both sexes. These results demonstrate that aerobic exercise of moderate intensity might protect bone and cartilage by regulation of body trace elements which are involved in the biosynthesis of bone matrix structures and inhibition of bone resorption process via a proposed anti-free radical mechanism.
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Affiliation(s)
- Ahmad H Alghadir
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Sami A Gabr
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia; Department of Anatomy, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Einas S Al-Eisa
- Rehabilitation Research Chair, College of Applied Medical Sciences, King Saud University, Riyadh, Kingdom of Saudi Arabia
| | - Muaz H Alghadir
- Department of Orthopedics, King Fahad Medical City, Riyadh, Kingdom of Saudi Arabia
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48
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Seidl CI, Martinez-Sanchez A, Murphy CL. Derepression of MicroRNA-138 Contributes to Loss of the Human Articular Chondrocyte Phenotype. Arthritis Rheumatol 2016; 68:398-409. [PMID: 26359943 DOI: 10.1002/art.39428] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Accepted: 09/03/2015] [Indexed: 01/07/2023]
Abstract
OBJECTIVE To investigate the function of microRNA-138 (miR-138) in human articular chondrocytes (HACs). METHODS The expression of miR-138 in intact cartilage and cultured chondrocytes and the effects of miR-138 overexpression on chondrocyte marker genes were investigated. Targets of miR-138 relevant to chondrocytes were identified and verified by overexpression of synthetic miRNA mimics and inhibitors, luciferase assays, chromatin immunoprecipitation, and RNA immunoprecipitation of native argonaute 2, using quantitative polymerase chain reaction, Western blotting, and luciferase assays. RESULTS Expression levels of miR-138 were maintained at relatively low levels in intact human cartilage but were greatly increased upon loss of the differentiated phenotype in culture, with a concomitant decrease in the major cartilage extracellular matrix component COL2A1. We showed that miR-138 is able to repress the expression of COL2A1 by directly targeting Sp-1 and hypoxia-inducible factor 2α (HIF-2α), 2 transcription factors that are essential for COL2A1 transcription. We further demonstrated a direct association of these targets with miR-138 in the RNA-induced silencing complex and confirmed binding of Sp-1 to the COL2A1 promoter region in HACs. CONCLUSION We propose that an evolutionary pressure helps to suppress expression levels of miR-138 in human cartilage, thus enabling expression of appropriate tissue-specific matrix genes. Inhibition of miR-138 may serve as a potential therapeutic strategy to maintain the chondrocyte phenotype or reduce the progression of dedifferentiation in cultured HACs.
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Affiliation(s)
- Christine I Seidl
- Kennedy Institute of Rheumatology and University of Oxford, Oxford, UK
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49
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Hsueh MF, Khabut A, Kjellström S, Önnerfjord P, Kraus VB. Elucidating the Molecular Composition of Cartilage by Proteomics. J Proteome Res 2016; 15:374-88. [PMID: 26632656 DOI: 10.1021/acs.jproteome.5b00946] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Articular cartilage consists of chondrocytes and two major components, a collagen-rich framework and highly abundant proteoglycans. Most prior studies defining the zonal distribution of cartilage have extracted proteins with guanidine-HCl. However, an unextracted collagen-rich residual is left after extraction. In addition, the high abundance of anionic polysaccharide molecules extracted from cartilage adversely affects the chromatographic separation. In this study, we established a method for removing chondrocytes from cartilage sections with minimal extracellular matrix protein loss. The addition of surfactant to guanidine-HCl extraction buffer improved protein solubility. Ultrafiltration removed interference from polysaccharides and salts. Almost four-times more collagen peptides were extracted by the in situ trypsin digestion method. However, as expected, proteoglycans were more abundant within the guanidine-HCl extraction. These different methods were used to extract cartilage sections from different cartilage layers (superficial, intermediate, and deep), joint types (knee and hip), and disease states (healthy and osteoarthritic), and the extractions were evaluated by quantitative and qualitative proteomic analyses. The results of this study led to the identifications of the potential biomarkers of osteoarthritis (OA), OA progression, and the joint specific biomarkers.
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Affiliation(s)
- Ming-Feng Hsueh
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Areej Khabut
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Sven Kjellström
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Patrik Önnerfjord
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
| | - Virginia Byers Kraus
- Duke Molecular Physiology Institute, ‡Departments of Medicine, and §Pathology, Duke University School of Medicine, Duke University , Durham, North Carolina 27701, United States.,Department of Clinical Sciences Lund, Section of Rheumatology and Molecular Skeletal Biology and ¶Department of Biochemistry and Structural Biology, Center for Molecular Protein Science, Lund University , SE 22184 Lund, Sweden
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Fuyuan Decoction Enhances SOX9 and COL2A1 Expression and Smad2/3 Phosphorylation in IL-1β-Activated Chondrocytes. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:821947. [PMID: 26770254 PMCID: PMC4685114 DOI: 10.1155/2015/821947] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2015] [Revised: 11/16/2015] [Accepted: 11/17/2015] [Indexed: 12/19/2022]
Abstract
Fuyuan Decoction (FYD), a herbal formula in China, has been widely used for osteoarthritis (OA) treatment. Herein, we determined the effects of FYD on the expression of transcription factor SOX9 and its target gene collagen type II, alpha 1 (COL2A1) as well as the activation of Smad2/3 in interleukin- (IL-) 1β-stimulated SW1353 chondrosarcoma cells. Serum-derived FYD (FYD-CS) was prepared to treat SW1353 cells with or without SB431542, a TGF-β1 receptor inhibitor. Cell cycle progression was tested by flow cytometry. The expression of SOX9 and COL2A1 and the activation of Smad2/3 (p-Smad2/3) were analyzed by quantitative reverse transcription polymerase chain reaction (qRT-PCR) and/or western blot. The results showed that, after treatment, FYD-CS, while inducing S-phase cell cycle arrest, enhanced cell proliferation and protected the cells against IL-1β- and/or SB431542-induced cell growth inhibition. Furthermore, FYD-CS reversed the decreased expression of COL2A1 and SOX9 induced by IL-1β and SB431542 and blocked the decreased phosphorylation of Smad2/3 induced by IL-1β alone or in combination with SB431542. Our results suggest that FYD promotes COL2A1 and SOX9 expression as well as Smad2/3 activation in IL-1β-induced chondrocytes, thus benefiting cell survival.
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