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Fan Y, Li R, Deng X, Li M, Zhou Y, Wu D, Liu G. Sensitive osteoarthritis sensing by salt-induced aggregation and dispersion of gold nanoparticles. Biotechnol Appl Biochem 2024; 71:940-947. [PMID: 38606832 DOI: 10.1002/bab.2588] [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: 11/06/2023] [Accepted: 03/22/2024] [Indexed: 04/13/2024]
Abstract
Osteoarthritis occurs in any joints, and identification in its earlier stages helps to treat the disease and increase the recovery rate. The radiography method and imaging techniques are traditionally used to identify osteoarthritis. But these methods are expensive, and with the complicated steps. Researchers are working toward developing a highly sensitive biosensor in identifying the osteoarthritis biomarker. This research was focused on developing a C-terminal telopeptide of type II collagen (CTX-II) colorimetric sensor with gold nanoparticle (AuNP) for diagnosing osteoarthritis. Anti-CTX-II was conjugated with AuNP and then added with CTX-II and sodium chloride for the color change. In the presence of CTX-II, antibody releases from AuNP then binds with CTX-II, and the color of AuNP changed to purple. Without the CTX-II, AuNP remains its red color (dispersed). This easier colorimetric assay detected the CTX-II as low as 2 ng/mL on linear regression [y = 0.0131x - 0.0051; R2 = 0.9205]. Furthermore, control performances with the relevant proteins osteopontin, IL-6, and nonimmune antibody failed to change the color confirming the specific identification of CTX-II.
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Affiliation(s)
- Yong Fan
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Renjie Li
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Xuekai Deng
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Ming Li
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Yu Zhou
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Dan Wu
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
| | - Gang Liu
- Orthopedics, The People's Hospital of Renshou County, Renshou, Sichuan, People's Republic of China
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Shin JS, Lee H, Kim SH, Noh KC, Kim SJ, Kim HN, Choi JY, Song SY. Identification of plasma and urinary inflammatory markers in severe knee osteoarthritis: Relations with synovial fluid markers. Knee Surg Relat Res 2024; 36:19. [PMID: 38773579 PMCID: PMC11106897 DOI: 10.1186/s43019-024-00223-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Accepted: 05/08/2024] [Indexed: 05/24/2024] Open
Abstract
BACKGROUND This study aimed to identify plasma and urinary cytokines as potential biomarkers for severe knee osteoarthritis (OA). It also investigated associations between these cytokines and cartilage markers, as well as their connections with synovial fluid (SF) markers. METHODS Samples of plasma, urine, and SF were obtained from patients (n = 40) undergoing total knee arthroplasty (TKA) or unicompartmental knee arthroplasty (UKA) due to severe knee OA. Control samples of plasma and urine were collected from non-OA individuals (n = 15). We used a Luminex immunoassay for the simultaneous measurement of 19 cytokines, MMP-1, and MMP-3 levels. COMP, CTX-II, and hyaluronan (HA) levels were quantified using enzyme-linked immunosorbent assay (ELISA) kits. Receiver operating characteristic (ROC) curves were utilized to analyze each biomarker's performance. Correlations among these biomarkers were evaluated via Spearman's correlation. RESULTS The levels of plasma (p)CCL11, pCXCL16, pIL-8, pIL-15, pHA, urinary (u)CCL2, uCCL11, uCCL19, uCXCL16, uIL-1β, uIL-6, uIL-8, uIL-12p70, uIL-15, uIL-33, uMMP-3, uHA, uCTX-II, and uCOMP were significantly elevated in individuals with severe knee OA. Notably, specific correlations were observed between the plasma/urine biomarkers and SF biomarkers: pCCL11 with sfHA (r = 0.56) and sfTNF-α (r = 0.58), pIL-15 with sfCCL19 (r = 0.43) and sfCCL20 (r = 0.44), and uCCL19 with sfCCL11 (r = 0.45) and sfIL-33 (r = 0.51). Positive correlations were also observed between uCCL11 and its corresponding sfCCL11(r = 0.49), as well as between sfCCL11 and other cytokines, namely sfCCL4, sfCCL19, sfCCL20, sfIL-33, and sfTNF-α (r = 0.46-0.63). CONCLUSION This study provides an extensive profile of systemic inflammatory mediators in plasma of knee OA and identified four inflammatory markers (pCCL11, pIL-15, uCCL11, and uCCL19) reflecting joint inflammation.
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Affiliation(s)
- Ji-Sun Shin
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Republic of Korea
| | - Hyobeom Lee
- Department of Orthopaedic Surgery, Kangdong Sacred Heart Hospital, 150, Seongan-ro, Gangdong-gu, Seoul, 05355, Republic of Korea
| | - Seong Hyeon Kim
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Republic of Korea
| | - Kyu-Cheol Noh
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Republic of Korea
| | - Sung Jae Kim
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Republic of Korea
| | - Hyong Nyun Kim
- Department of Orthopedic Surgery, Kangnam Sacred Heart Hospital, Hallym University College of Medicine, 1, Singil-ro, Yeongdeungpo-gu, Seoul, 07441, Republic of Korea
| | - Jae-Young Choi
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, 16419, Republic of Korea
| | - Si Young Song
- Department of Orthopaedic Surgery, Dongtan Sacred Heart Hospital, Hallym University College of Medicine, 7, Keunjaebong-gil, Hwaseong-si, Gyeonggi-do, 18450, Republic of Korea.
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Kwon SB, Chinta G, Kundimi S, Kim S, Cho YD, Kim SK, Ju JY, Sengupta K. A Blend of Tamarindus Indica and Curcuma Longa Extracts Alleviates Monosodium Iodoacetate (MIA)-Induced Osteoarthritic Pain and Joint Inflammation in Rats. JOURNAL OF THE AMERICAN NUTRITION ASSOCIATION 2024; 43:48-58. [PMID: 37224433 DOI: 10.1080/27697061.2023.2209880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/26/2023] [Accepted: 04/29/2023] [Indexed: 05/26/2023]
Abstract
BACKGROUND AND OBJECTIVE NXT15906F6 (TamaFlexTM) is a proprietary herbal composition containing Tamarindus indica seeds and Curcuma longa rhizome extracts. NXT15906F6 supplementation has been shown clinically effective in reducing knee joint pain and improving musculoskeletal functions in healthy and knee osteoarthritis (OA) subjects. The objective of the present study was to assess the possible molecular basis of the anti-OA efficacy of NXT15906F6 in a monosodium iodoacetate (MIA)-induced model of OA in rats. METHODS Healthy male Sprague Dawley rats (age: 8-9 wk body weight, B.W.: 225-308 g (n = 12) were randomly assigned to one of the six groups, (a) vehicle control, (b) MIA control, (c) Celecoxib (10 mg/kg B.W.), (d) TF-30 (30 mg/kg B.W.), (e) TF-60 (60 mg/kg B.W.), and (f) TF-100 (100 mg/kg B.W.). OA was induced by an intra-articular injection of 3 mg MIA into the right hind knee joint. The animals received either Celecoxib or TF through oral gavage over 28 days. The vehicle control animals received intra-articular sterile normal saline. RESULTS Post-treatment, NXT15906F6 groups showed significant (p < 0.05) dose-dependent pain relief as evidenced by improved body weight-bearing capacity on the right hind limb. NXT15906F6 treatment also significantly reduced the serum tumor necrosis factor-α (TNF-α, p < 0.05) and nitrite (p < 0.05) levels in a dose-dependent manner. mRNA expression analyses revealed the up-regulation of collagen type-II (COL2A1) and down-regulation of matrix metalloproteinases (MMP-3, MMP-9 and MMP-13) in the cartilage tissues of NXT15906F6-supplemented rats. Cyclooxygenase-2 and inducible nitric oxide synthase (iNOS) protein expressions were down-regulated. Decreased immunolocalization of NF-κβ (p65) was observed in the joint tissues of NXT15906F6-supplemented rats. Furthermore, microscopic observations revealed that NXT15906F6 preserved MIA-induced rats' joint architecture and integrity. CONCLUSION NXT15906F6 reduces MIA-induced joint pain, inflammation, and cartilage degradation in rats.
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Affiliation(s)
- Sae-Bom Kwon
- Health Food Lab, Kolmar BNH Co., LTD, Seoul, Korea
| | - Gopichand Chinta
- Department of Pharmacology, Laila Nutraceuticals R&D Center, Vijayawada, Andhra Pradesh, India
| | - Sreenath Kundimi
- Department of Cell and Molecular Biology, Laila Nutraceuticals R&D Center, Vijayawada, Andhra Pradesh, India
| | - Sangback Kim
- Health Food Lab, Kolmar BNH Co., LTD, Seoul, Korea
| | | | - Seul-Ki Kim
- Health Food Lab, Kolmar BNH Co., LTD, Seoul, Korea
| | - Jae-Yeong Ju
- Health Food Lab, Kolmar BNH Co., LTD, Seoul, Korea
| | - Krishanu Sengupta
- Department of Cell and Molecular Biology, Laila Nutraceuticals R&D Center, Vijayawada, Andhra Pradesh, India
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Liu M, Haque N, Huang J, Zhai G. Osteoarthritis year in review 2023: metabolite and protein biomarkers. Osteoarthritis Cartilage 2023; 31:1437-1453. [PMID: 37611797 DOI: 10.1016/j.joca.2023.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 07/13/2023] [Accepted: 08/14/2023] [Indexed: 08/25/2023]
Abstract
OBJECTIVE To highlight the advances over the past year in metabolite/protein biomarkers for osteoarthritis (OA). METHOD A literature search of five databases including PubMed, Web of Science, Scopus, Ovid Medline, and Embase was performed for studies on metabolite/protein/peptide/biochemical markers for OA published between April 1st, 2022 and March 31st, 2023. Records were then screened to include only original research articles using directly collected human specimens, in English language, and with full text available. Data from eligible studies were systematically extracted and summarized. RESULTS A total of 1600 unique records were extracted, out of which 46 fulfilled the inclusion criteria and were used for data extraction. Forty-one of these 46 studies focused on biomarkers for OA/OA severity/progression, four on OA clustering, and one on OA treatment outcomes. Twenty-nine studied protein markers for OA, thirteen studied metabolite markers, and four studied both. While many studies were the validation of the previously reported biomarkers, a number of novel metabolite/protein biomarkers and biomarker panels were reported in the past year. Biomarker panels might be useful to subset OA patients. CONCLUSION The number of studies on OA clustering is rising. Although validation in larger cohorts is needed in order to utilize reported biomarkers in clinical practice, these discoveries help better understand the pathogenesis of OA, provide insights into possible mechanisms underlying poor treatment outcomes, and aid in developing personalized treatment based on OA subtypes.
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Affiliation(s)
- Ming Liu
- Division of Biomedical Sciences (Genetics), Faculty of Medicine, Memorial University of Newfoundland, St. John's, Canada
| | - Nafiza Haque
- Division of Biomedical Sciences (Genetics), Faculty of Medicine, Memorial University of Newfoundland, St. John's, Canada
| | - Jingyi Huang
- Division of Biomedical Sciences (Genetics), Faculty of Medicine, Memorial University of Newfoundland, St. John's, Canada
| | - Guangju Zhai
- Division of Biomedical Sciences (Genetics), Faculty of Medicine, Memorial University of Newfoundland, St. John's, Canada.
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Singh S, Jindal D, Khanna R. sCTX II is a better biomarker than sMMP-3 to identify early knee osteoarthritis. J Orthop Res 2023; 41:2455-2461. [PMID: 37132376 DOI: 10.1002/jor.25582] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Accepted: 05/01/2023] [Indexed: 05/04/2023]
Abstract
The aim of this study is to assess the ability of serum MMP-3 and serum CTX-II levels to differentiate between normal and early knee osteoarthritis case (eKOA). Subjects with clinical features of primary knee osteoarthritis of K-L Grade I and K-L Grade II with ages more than 45 years were included in the case group (98), and healthy adults with ages less than 40 years were included in the control group (80). Those having knee pain for the last 3 months but having no radiological features were labeled as K-L grade I and those having minimal osteophytes on radiographs were labeled as K-L Grade II. Antero-posterior views of knee and serum levels of MMP-3 and CTX II were estimated. Cases show significantly higher values of both biomarkers than in controls (p < 0.0001). Both biomarkers show significantly higher values with an increase in K-L Grades, that is, K-L Grade 0 versus I (MMP-3: p = 0.003; CTX-II: p = 0.002), K-L Grade I versus II (MMP-3: p < 0.000; CTX-II: p < 0.000). Multivariate analysis shows the dependence of both biomarkers only on K-L Grades. ROC analysis suggests cutoff value between KL Grade 0 and Grade I (MMP-3: 12.25 ng/mL; CTX II: 407.50 pg/mL) and between K L Grade I and Grade II (MMP-3: 18.37 ng/mL; CTX II: 528.00 pg/mL). The discriminating ability of CTX II is superior between normal population and eKOA (CTX II: Accuracy: 66.83%, p = 0.0002; MMP-3: Accuracy: 50.39%, p = 0.138), but MMP-3 is superior than CTX II between eKOA and mild KOA (CTX II:67.52%, p < 0.000; MMP-3: 70.69%, p < 0.000).
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Affiliation(s)
- Sudhir Singh
- Department of Orthopaedics, Teerthankar Mahaveer Medical College & Research Centre, Moradabad, Uttar Pradesh, India
| | - Divyam Jindal
- Department of Orthopaedics, Teerthankar Mahaveer Medical College & Research Centre, Moradabad, Uttar Pradesh, India
| | - Rajat Khanna
- Department of Orthopaedics, Teerthankar Mahaveer Medical College & Research Centre, Moradabad, Uttar Pradesh, India
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6
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Lambova SN, Ivanovska N, Stoyanova S, Belenska-Todorova L, Georgieva E, Batsalova T, Moten D, Apostolova D, Dzhambazov B. Changes in the Subchondral Bone, Visfatin, and Cartilage Biomarkers after Pharmacological Treatment of Experimental Osteoarthritis with Metformin and Alendronate. Int J Mol Sci 2023; 24:10103. [PMID: 37373251 DOI: 10.3390/ijms241210103] [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: 05/23/2023] [Revised: 06/09/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Subchondral bone that has intense communication with the articular cartilage might be a potential target for pharmacological treatment in the early stages of osteoarthritis (OA). Considering the emerging data about the role of adipokines in the pathogenesis of OA, the administration of drugs that influence their level is also intriguing. Metformin and alendronate were administered in mice with collagenase-induced OA (CIOA) as a monotherapy and in combination. Safranin O staining was used for the assessment of changes in subchondral bone and articular cartilage. Before and after treatment, serum levels of visfatin and biomarkers of cartilage turnover (CTX-II, MMP-13, and COMP) were assessed. In the current study, the combined administration of alendronate and metformin in mice with CIOA led to the protection against cartilage and subchondral bone damage. In mice with CIOA, metformin led to a decrease in visfatin level. In addition, treatment with metformin, alendronate, or their combination lowered the level of cartilage biomarkers (CTX-II and COMP), while the level of MMP-13 was not influenced. In conclusion, personalized combination treatment in OA according to clinical phenotype, especially in the early stages of the disease, might lead to the identification of a successful disease-modifying therapeutic protocol in OA.
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Affiliation(s)
- Sevdalina Nikolova Lambova
- Department of Propaedeutics of Internal Diseases, Faculty of Medicine, Medical University-Plovdiv, 4000 Plovdiv, Bulgaria
| | - Nina Ivanovska
- Department of Immunology, The Stephan Angeloff Institute of Microbiology, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria
| | - Stela Stoyanova
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
| | | | - Elenka Georgieva
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Tsvetelina Batsalova
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Dzhemal Moten
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Desislava Apostolova
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
| | - Balik Dzhambazov
- Department of Developmental Biology, Paisii Hilendarski University of Plovdiv, 4000 Plovdiv, Bulgaria
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7
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Ouyang Z, Dong L, Yao F, Wang K, Chen Y, Li S, Zhou R, Zhao Y, Hu W. Cartilage-Related Collagens in Osteoarthritis and Rheumatoid Arthritis: From Pathogenesis to Therapeutics. Int J Mol Sci 2023; 24:9841. [PMID: 37372989 DOI: 10.3390/ijms24129841] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 06/01/2023] [Accepted: 06/04/2023] [Indexed: 06/29/2023] Open
Abstract
Collagens serve essential mechanical functions throughout the body, particularly in the connective tissues. In articular cartilage, collagens provide most of the biomechanical properties of the extracellular matrix essential for its function. Collagen plays a very important role in maintaining the mechanical properties of articular cartilage and the stability of the ECM. Noteworthily, many pathogenic factors in the course of osteoarthritis and rheumatoid arthritis, such as mechanical injury, inflammation, and senescence, are involved in the irreversible degradation of collagen, leading to the progressive destruction of cartilage. The degradation of collagen can generate new biochemical markers with the ability to monitor disease progression and facilitate drug development. In addition, collagen can also be used as a biomaterial with excellent properties such as low immunogenicity, biodegradability, biocompatibility, and hydrophilicity. This review not only provides a systematic description of collagen and analyzes the structural characteristics of articular cartilage and the mechanisms of cartilage damage in disease states but also provides a detailed characterization of the biomarkers of collagen production and the role of collagen in cartilage repair, providing ideas and techniques for clinical diagnosis and treatment.
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Affiliation(s)
- Ziwei Ouyang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
- The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Heifei 230032, China
| | - Lei Dong
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
- The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Heifei 230032, China
| | - Feng Yao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
| | - Ke Wang
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
| | - Yong Chen
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
| | - Shufang Li
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
| | - Renpeng Zhou
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
| | - Yingjie Zhao
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
- The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Heifei 230032, China
| | - Wei Hu
- Department of Clinical Pharmacology, The Second Affiliated Hospital of Anhui Medical University, Heifei 230601, China
- The Key Laboratory of Major Autoimmune Diseases, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Heifei 230032, China
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8
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Trovato B, Petrigna L, Sortino M, Roggio F, Musumeci G. The influence of different sports on cartilage adaptations: A systematic review. Heliyon 2023; 9:e14136. [PMID: 36923870 PMCID: PMC10009456 DOI: 10.1016/j.heliyon.2023.e14136] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 01/13/2023] [Accepted: 02/23/2023] [Indexed: 03/03/2023] Open
Abstract
Molecular composition and structural adaptation are changes in the cartilage tissue after different stimuli. Sports activities with different loads at different angles, speeds, and intensities can modify the molecular composition of the articular cartilage, hence it is crucial to understand the molecular adaptations and structural modifications generated by sports practice and this review aims to synthesize the current evidence on this topic. A systematic search until July 2022 was performed on the database Medline, Pubmed, Scopus, and Web of Science with a collection of 62,198. After the screening process, the included articles were analyzed narratively. Thirty-one studies have been included in the analysis. From the results emerged that running, swimming, ballet and handball were not correlated with detrimental structural or molecular cartilage adaptation; instead, soccer, volleyball, basketball, weightlifting, climbing, and rowing showed signs of cartilage alteration and molecular adaptation that could be early predictive degeneration's signs. From the included studies it came to light that the regions more interested in morphological cartilage changes were the knee in athletes from different disciplines. In conclusion, different sports induce different cartilage modifications both at a molecular and structural level and it is important to know the risks correlated to sports to implement preventive strategies.
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Affiliation(s)
- Bruno Trovato
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123, Catania, Italy
| | - Luca Petrigna
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123, Catania, Italy
| | - Martina Sortino
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123, Catania, Italy
| | - Federico Roggio
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123, Catania, Italy.,Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Giovanni Pascoli 6, Palermo, 90144, Italy
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology and Movement Science, School of Medicine, University of Catania, Via S. Sofia n°97, 95123, Catania, Italy.,Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia n°97, 95123, Catania, Italy.,Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, 19122, PA, United States
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9
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Xu H, Zhang B, Chen Y, Zeng F, Wang W, Chen Z, Cao L, Shi J, Chen J, Zhu X, Xue Y, He R, Ji M, Hua Y. Type II collagen facilitates gouty arthritis by regulating MSU crystallisation and inflammatory cell recruitment. Ann Rheum Dis 2023; 82:416-427. [PMID: 36109143 DOI: 10.1136/ard-2022-222764] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Accepted: 09/03/2022] [Indexed: 11/04/2022]
Abstract
OBJECTIVE Increasing evidence suggests that impaired cartilage is a substantial risk factor for the progression from hyperuricaemia to gout. Since the relationship between cartilage matrix protein and gout flares remains unclear, we investigated its role in monosodium urate (MSU) crystallisation and following inflammation. METHODS Briefly, we screened for cartilage matrix in synovial fluid from gouty arthritis patients with cartilage injuries. After identifying a correlation between crystals and matrix molecules, we conducted image analysis and classification of crystal phenotypes according to their morphology. We then evaluated the differences between the cartilage matrix protein-MSU complex and the pure MSU crystal in their interaction with immune cells and identified the related signalling pathway. RESULTS Type II collagen (CII) was found to be enriched around MSU crystals in synovial fluid after cartilage injury. Imaging analysis revealed that CII regulated the morphology of single crystals and the alignment of crystal bows in the co-crystalline system, leading to greater phagocytosis and oxidative stress in macrophages. Furthermore, CII upregulated MSU-induced chemokine and proinflammatory cytokine expression in macrophages, thereby promoting the recruitment of leucocytes. Mechanistically, CII enhanced MSU-mediated inflammation by activating the integrin β1(ITGB1)-dependent TLR2/4-NF-κB signal pathway. CONCLUSION Our study demonstrates that the release of CII and protein-crystal adsorption modifies the crystal profile and promotes the early immune response in MSU-mediated inflammation. These findings open up a new path for understanding the relationship between cartilage injuries and the early immune response in gout flares.
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Affiliation(s)
- HanLin Xu
- Department of Sports Medicine, Huashan Hospital,Fudan University, Shanghai, China
| | - Bohan Zhang
- State Key Laboratory of Surface Physics and Department of Physics, Human Phenome Institute, Academy for Engineering and Technology, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Yiwu Research Institute, Fudan University, Shanghai, China
| | - Yaxin Chen
- State Key Laboratory of Surface Physics and Department of Physics, Human Phenome Institute, Academy for Engineering and Technology, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Yiwu Research Institute, Fudan University, Shanghai, China
| | - Fengzhen Zeng
- School of Communication and Information Engineering, Shanghai University, Shanghai, China
| | - Wenjuan Wang
- Department of Sports Medicine, Huashan Hospital,Fudan University, Shanghai, China
| | - Ziyi Chen
- Department of Sports Medicine, Huashan Hospital,Fudan University, Shanghai, China
| | - Ling Cao
- Department of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jun Shi
- School of Communication and Information Engineering, Shanghai University, Shanghai, China
| | - Jun Chen
- Department of Sports Medicine, Huashan Hospital,Fudan University, Shanghai, China
| | - Xiaoxia Zhu
- Department of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Yu Xue
- Department of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China
| | - Rui He
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China .,National Clinical Research Center for Aging and Medicine, Huashan Hospital, Fudan University, Shanghai, China
| | - MinBiao Ji
- State Key Laboratory of Surface Physics and Department of Physics, Human Phenome Institute, Academy for Engineering and Technology, Key Laboratory of Micro and Nano Photonic Structures (Ministry of Education), Yiwu Research Institute, Fudan University, Shanghai, China
| | - YingHui Hua
- Department of Sports Medicine, Huashan Hospital,Fudan University, Shanghai, China
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Petrigna L, Trovato B, Roggio F, Castorina A, Musumeci G. Molecular Assessment of Healthy Pathological Articular Cartilages in Physically Active People: A Scoping Review. Int J Mol Sci 2023; 24:ijms24043662. [PMID: 36835076 PMCID: PMC9963910 DOI: 10.3390/ijms24043662] [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: 12/29/2022] [Revised: 01/28/2023] [Accepted: 02/03/2023] [Indexed: 02/16/2023] Open
Abstract
Physiological aging triggers a cascade of negative effects on the human body and the human joint is only one of the several compartments affected by this irreversible and natural process. Osteoarthritis and cartilage degeneration can cause pain and disability; therefore, identifying the molecular processes underlying these phenomena and the biomarkers produced during physical activity is of critical importance. In the present review, the main goal was to identify and discuss the articular cartilage biomarkers analyzed in studies in which physical or sports activities were adopted and eventually to propose a standard operating procedure for the assessment. Articles collected from Pubmed, Web of Science, and Scopus were scrutinized to detect reliable cartilage biomarkers. The principal articular cartilage biomarkers detected in these studies were cartilage oligomeric matrix protein, matrix metalloproteinases, interleukins, and carboxy-terminal telopeptide. The articular cartilage biomarkers identified in this scoping review may aid in a better comprehension of where research on the topic is heading and offer a viable instrument for streamlining investigations on cartilage biomarker discovery.
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Affiliation(s)
- Luca Petrigna
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology, and Movement Science, School of Medicine, University of Catania, Via S. Sofia No. 97, 95123 Catania, Italy
| | - Bruno Trovato
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology, and Movement Science, School of Medicine, University of Catania, Via S. Sofia No. 97, 95123 Catania, Italy
| | - Federico Roggio
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology, and Movement Science, School of Medicine, University of Catania, Via S. Sofia No. 97, 95123 Catania, Italy
- Sport and Exercise Sciences Research Unit, Department of Psychology, Educational Science and Human Movement, University of Palermo, Via Giovanni Pascoli 6, 90144 Palermo, Italy
| | - Alessandro Castorina
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Section of Anatomy, Histology, and Movement Science, School of Medicine, University of Catania, Via S. Sofia No. 97, 95123 Catania, Italy
- Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia No. 97, 95123 Catania, Italy
- Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Correspondence:
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Liu Y, Lu T, Liu Z, Ning W, Li S, Chen Y, Ge X, Guo C, Zheng Y, Wei X, Wang H. Six macrophage-associated genes in synovium constitute a novel diagnostic signature for osteoarthritis. Front Immunol 2022; 13:936606. [PMID: 35967352 PMCID: PMC9368762 DOI: 10.3389/fimmu.2022.936606] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 07/04/2022] [Indexed: 11/24/2022] Open
Abstract
Background Synovial macrophages play important roles in the formation and progression of osteoarthritis (OA). This study aimed to explore the biological and clinical significance of macrophage-associated genes (MAGs) in OA. Methods The OA synovial gene expression profiles GSE89408 and GSE82107 were obtained from the GEO database. Single-sample gene set enrichment analysis (ssGSEA) and GSEA were employed to decipher differences in immune infiltration and macrophage-associated biological pathways, respectively. Protein–protein interaction (PPI) network analysis and machine learning were utilized to establish a macrophage-associated gene diagnostic signature (MAGDS). RT-qPCR was performed to test the expression of key MAGs in murine models. Results OA synovium presented high levels of immune infiltration and activation of macrophage-associated biological pathways. A total of 55 differentially expressed MAGs were identified. Using PPI analysis and machine learning, a MAGDS consisting of IL1B, C5AR1, FCGR2B, IL10, IL6, and TYROBP was established for OA diagnosis (AUC = 0.910) and molecular pathological evaluation. Patients with high MAGDS scores may possess higher levels of immune infiltration and expression of matrix metalloproteinases (MMPs), implying poor biological alterations. The diagnostic value of MAGDS was also validated in an external cohort (AUC = 0.886). The expression of key MAGs was validated in a murine model using RT-qPCR. Additionally, a competitive endogenous RNA network was constructed to reveal the potential posttranscriptional regulatory mechanisms. Conclusions We developed and validated a MAGDS model with the ability to accurately diagnose and characterize biological alterations in OA. The six key MAGs may also be latent targets for immunoregulatory therapy.
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Affiliation(s)
- Yiying Liu
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Taoyuan Lu
- Department of Cerebrovascular Disease, Zhengzhou University People’s Hospital, Henan Provincial People’s Hospital, Zhengzhou, China
| | - Zaoqu Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Wenhua Ning
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Siying Li
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanru Chen
- Academy of Medical Sciences, Zhengzhou University, Zhengzhou, China
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaoyong Ge
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan, China
| | - Chunguang Guo
- Department of Endovascular Surgery, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Youyang Zheng
- Department of Cardiovascular Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiangyang Wei
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- *Correspondence: Haiming Wang, ; Xiangyang Wei,
| | - Haiming Wang
- Department of Rehabilitation Medicine, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
- Medical College of Zhengzhou University of Industrial technology, Zhengzhou, China
- *Correspondence: Haiming Wang, ; Xiangyang Wei,
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Joint Cartilage in Long-Duration Spaceflight. Biomedicines 2022; 10:biomedicines10061356. [PMID: 35740378 PMCID: PMC9220015 DOI: 10.3390/biomedicines10061356] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/05/2022] [Accepted: 06/06/2022] [Indexed: 12/14/2022] Open
Abstract
This review summarizes the current literature available on joint cartilage alterations in long-duration spaceflight. Evidence from spaceflight participants is currently limited to serum biomarker data in only a few astronauts. Findings from analogue model research, such as bed rest studies, as well as data from animal and cell research in real microgravity indicate that unloading and radiation exposure are associated with joint degeneration in terms of cartilage thinning and changes in cartilage composition. It is currently unknown how much the individual cartilage regions in the different joints of the human body will be affected on long-term missions beyond the Low Earth Orbit. Given the fact that, apart from total joint replacement or joint resurfacing, currently no treatment exists for late-stage osteoarthritis, countermeasures might be needed to avoid cartilage damage during long-duration missions. To plan countermeasures, it is important to know if and how joint cartilage and the adjacent structures, such as the subchondral bone, are affected by long-term unloading, reloading, and radiation. The use of countermeasures that put either load and shear, or other stimuli on the joints, shields them from radiation or helps by supporting cartilage physiology, or by removing oxidative stress possibly help to avoid OA in later life following long-duration space missions. There is a high demand for research on the efficacy of such countermeasures to judge their suitability for their implementation in long-duration missions.
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Effect of Moxibustion Instrument Combined with Intermediate Frequency Electrostatic Therapy on Pain and Joint Function in Elderly Patients with Cold-Dampness Knee Arthritis. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:2613901. [PMID: 35572837 PMCID: PMC9098269 DOI: 10.1155/2022/2613901] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/02/2022] [Accepted: 04/08/2022] [Indexed: 11/17/2022]
Abstract
Objective To explore the effect of a moxibustion instrument combined with intermediate frequency electrostatic therapy on pain and joint function in elderly patients with cold-dampness arthritis (KOA). Method 200 patients with cold-dampness KOA treated in our hospital from May 2019 to September 2021 were selected. According to the random number table method, they were divided into the observation group (n = 100) and control group (n = 100). The observation group was treated with moxibustion combined with medium-frequency treatment, and the control group was treated with medium-frequency treatment. The clinical effects of the two groups were compared. The joint functions of the two groups were evaluated by the visualization scale of the osteoarthritis index (WOMAC index) of McMaster University in Western Ontario. The TCM symptom scores of the two groups were evaluated according to the guiding principles for clinical research of new traditional Chinese medicine. The visual analogue scale (VAS) was used to evaluate the pain degree of the two groups, and the microcirculatory blood perfusion (MBPU) and interleukin-1 were compared between the two groups, β (IL-1β) and tumor necrosis factor-α (TNF-α). The levels of matrix metalloproteinase-1 (MMP-1), serum bone morphogenetic protein-2 (BMP-2), cartilage oligomeric matrix protein (COMP), and serum type II collagen C-terminal peptide (CTX-II) were assessed by the comprehensive quality of life questionnaire-74. Result The total effective rate of the observation group (92.00%) was higher than that of the control group (76.00%), and the difference was statistically significant (P < 0.05) in β and TNF-α. The levels of MMP-3, BMP-2, comp, and CTX-II and the improvement of quality of life score in the control group were better than those in the control group (P < 0.05). Conclusion Moxibustion instrument combined with intermediate frequency electrostatic therapy can effectively improve the knee joint function, pain, blood perfusion, inflammatory reaction, and cartilage damage of the elderly patients with cold-dampness-type knee arthritis, and the therapeutic effect is good.
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Bay-Jensen AC, Mobasheri A, Thudium CS, Kraus VB, Karsdal MA. Blood and urine biomarkers in osteoarthritis - an update on cartilage associated type II collagen and aggrecan markers. Curr Opin Rheumatol 2022; 34:54-60. [PMID: 34652292 PMCID: PMC8635261 DOI: 10.1097/bor.0000000000000845] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE OF REVIEW Osteoarthritis (OA) is a painful disease for which drug development has proven difficult. One major reason for this is the heterogeneity of the disease and the current lack of operationalized means to distinguish various disease endotypes (molecular subtypes). Biomarkers measured in blood or urine, reflecting joint tissue turnover, have been developed and tested during the last decades. In this narrative review, we provide highlights on biomarkers derived from the two most studied and abundant cartilage proteins - type II collagen and aggrecan. RECENT FINDINGS Multiple biomarkers assessing type II collagen degradation and formation, and aggrecan turnover have been developed. Several markers, such as uCTX-II, have been validated for their association with disease severity and prognosis, as well as pharmacodynamically used to describe the mode of action and efficacy of drugs in development. There is a great need for biomarkers for subdividing patients (i.e., endotyping) and recent scientific advances have not yet come closer to achieving this goal. SUMMARY There is strong support for using biomarkers for understanding OA, reflecting degradation and formation of the joint tissues, focused on type II collagen and aggrecan. There is still a lack of in vitro diagnostics, in all contexts of use.
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Affiliation(s)
| | - Ali Mobasheri
- Research Unit of Medical Imaging, Physics and Technology, Faculty of Medicine, University of Oulu, Oulu, Finland
- Department of Regenerative Medicine, State Research Institute Centre for Innovative Medicine, Vilnius, Lithuania
- University Medical Center Utrecht, Department of Orthopedics, Rheumatology and Clinical Immunology, Utrecht, The Netherlands
- Department of Joint Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
- World Health Organization Collaborating Centre for Public Health Aspects of Musculoskeletal Health and Aging, University of Liege, Liege, Belgium
| | | | - Virginia B. Kraus
- Duke Molecular Physiology Institute and Department of Medicine, Duke University School of Medicine, Durham, North Carolina, USA
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Gong J, Li Q, Wei M, Xue L, Liu Y, Gao J, Qin T. Effect of Tongluozhitong Prescription-Assisted Intra-Articular Injection of Sodium Hyaluronate on VAS Score and Knee Lysholm Score in Patients with Knee Osteoarthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2021; 2021:3210494. [PMID: 34745278 PMCID: PMC8568548 DOI: 10.1155/2021/3210494] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 10/11/2021] [Indexed: 11/17/2022]
Abstract
Knee osteoarthritis (KOA) has become one of the leading causes of workforce loss in the middle-aged and elderly population and a global public health problem second only to cardiovascular disease, so we need to find more effective treatments for this disease. In this study, we selected 120 patients with KOA admitted to our hospital from June 2018 to December 2020 and divided them into treatment group 1, treatment group 2, and joint group according to the random number table method, with 40 patients in each group. Treatment group 1 was treated with Tongluozhitong prescription dip-soaking therapy, treatment 2 group was treated with intra-articular injection of sodium hyaluronate, and the joint group was treated with a combination of both modalities for 4 weeks in all three groups. Clinical efficacy, visual analogue scale (VAS), Lysholm knee score (LKS), activity of daily living score (ADL), the levels of bone metabolic markers such as cartilage oligomeric matrix protein (COMP), type II collagen degradation maker (CTX-II), and matrix metalloproteinase-3 (MMP-3), and the levels of inflammatory mediators such as interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), and hypersensitive C-reactive protein (hs-CRP) were used as observations to compare and analyze the therapeutic effects of the three treatment regimens in KOA patients. The results showed that the clinical excellence rates of the joint group, treatment group 1, and treatment group 2 were 72.50%, 50.00%, and 90.00%, respectively, with statistically significant differences between any two comparisons. After treatment, VAS scores, serum COMP, CTX-II, MMP-3, IL-1β, TNF-α, and hs-CRP levels decreased in all three groups, and the levels of each index were as follows: joint group < treatment group 1 < treatment group 2, and the difference between any two comparisons was statistically significant. The LKS score and ADL score increased in all three groups, and the levels of each index were as follows: joint group > treatment group 1 > treatment group 2, with statistically significant differences in any two groups compared. None of the patients in the three groups experienced any significant adverse effects during treatment. This suggests that the dip-soaking therapy of Tongluozhitong prescription is more advantageous than intra-articular sodium hyaluronate injection treatment in suppressing the level of serum bone metabolic markers and inflammatory mediators, reducing pathological joint damage, relieving symptoms of pain, alleviating degenerative joint symptoms, and improving knee function in KOA patients. The combination of the two in KOA patients can significantly improve the efficacy and has a good safety profile.
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Affiliation(s)
- Jianfang Gong
- Department of Traditional Chinese Medicine, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Qiang Li
- Department of Orthopaedics, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Mengling Wei
- Department of Traditional Chinese Medicine, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Liangliang Xue
- Department of Radiology, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Yinlian Liu
- Department of Rehabilitation, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Jun Gao
- Department of Traditional Chinese Medicine, Bethune Hospital, Taiyuan, Shanxi 030032, China
| | - Tiantian Qin
- Department of Traditional Chinese Medicine, Bethune Hospital, Taiyuan, Shanxi 030032, China
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Pehrsson M, Mortensen JH, Manon-Jensen T, Bay-Jensen AC, Karsdal MA, Davies MJ. Enzymatic cross-linking of collagens in organ fibrosis - resolution and assessment. Expert Rev Mol Diagn 2021; 21:1049-1064. [PMID: 34330194 DOI: 10.1080/14737159.2021.1962711] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Introduction: Enzymatic cross-linking of the collagens within the extracellular matrix (ECM) catalyzed by enzymes such as lysyl oxidase (LOX) and lysyl oxidase like-enzymes 1-4 (LOXL), transglutaminase 2 (TG2), and peroxidasin (PXDN) contribute to fibrosis progression through extensive collagen cross-linking. Studies in recent years have begun elucidating the important role of collagen cross-linking in perpetuating progression of organ fibrosis independently of inflammation through an increasingly stiff and noncompliant ECM. Therefore, collagen cross-linking and the cross-linking enzymes have become new targets in anti-fibrotic therapy as well as targets of novel biomarkers to properly assess resolution of the fibrotic ECM.Areas covered: The enzymatic actions of enzymes catalyzing collagen cross-linking and their relevance in organ fibrosis. Potential biomarkers specifically quantifying proteolytic fragments of collagen cross-linking is discussed based on Pubmed search done in November 2020 as well as the authors knowledge.Expert opinion: Current methods for the assessment of fibrosis involve the use of invasive and/or cumbersome and expensive methods such as tissue biopsies. Thus, an unmet need exists for the development and validation of minimally invasive biomarkers of proteolytic fragments of cross-linked collagens. These biomarkers may aid in the development and proper assessment of fibrosis resolution in coming years.
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Affiliation(s)
- Martin Pehrsson
- Department of Biomedical Science, University of Copenhagen, Copenhagen, Denmark.,Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
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Arunrukthavon P, Heebthamai D, Benchasiriluck P, Chaluay S, Chotanaphuti T, Khuangsirikul S. Can urinary CTX-II be a biomarker for knee osteoarthritis? ARTHROPLASTY 2020; 2:6. [PMID: 35236476 PMCID: PMC8796402 DOI: 10.1186/s42836-020-0024-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Accepted: 01/13/2020] [Indexed: 12/04/2022] Open
Abstract
Background Early diagnosis of knee osteoarthritis (OA) remains a diagnostic challenge. Urinary C-terminal cross-linked telopeptide of type II collagen (urinary CTX-II) is one of the potential OA biomarkers. However, conclusive evidence regarding the use of this biomarker as a tool for early diagnosis is still lacking. The purposes of this study were to compare urinary CTX-II levels in patients with knee OA and in healthy controls, to evaluate the correlation between urinary CTX-II levels, radiographic severity of OA, and patient-reported outcomes and to evaluate the effect of age and gender on urinary CTX-II levels in the Asian populations. Methods Two groups were studied. The OA group included 78 patients with knee OA aged > 40 years who met the diagnostic criteria for knee OA described by the American College of Rheumatology (ACR). The control group consisted of 51 healthy participants age > 40 years without clinical or radiographic evidence of knee OA. Bilateral knee radiographs were taken and classified according to the Kellgren and Lawrence (KL) grading system. Urinary CTX-II was measured using a competitive ELISA test and Western Ontario and Mcmaster Universities Arthritis Index (WOMAC) was also recorded in all participants. Results Urinary CTX-II was significantly higher in the OA group than in the control group (p < 0.001). The severe knee OA group (KL grade 3 and 4) had higher urinary CTX-II levels than mild knee OA group (KL grade 2) but the difference did not reach statistical significance (p = 0.2). There was a moderate correlation between urinary CTX-II levels and KL grades (r = 0.405, p < 0.001) and a weak correlation between urinary CTX-II levels and WOMAC index scores (r = 0.367, p < 0.001). Multiple regression analysis showed that urinary CTX-II was independently associated with KL grades. Whereas age, gender, and WOMAC index had no statistically significant influence on the urinary CTX-II levels. Conclusions Patients with knee OA had higher urinary CTX-II levels than healthy controls. Moreover, levels of urinary CTX-II were independently correlated with radiographic severity of knee OA. Age, gender, and patient-reported outcomes exerted no effect on the urinary CTX-II levels. Level of evidence Diagnostic Level III.
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