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Serum changes in pyridinoline, type II collagen cleavage neoepitope and osteocalcin in early stage male brucellosis patients. Sci Rep 2020; 10:17190. [PMID: 33057028 PMCID: PMC7560669 DOI: 10.1038/s41598-020-72565-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Accepted: 08/24/2020] [Indexed: 11/09/2022] Open
Abstract
Musculoskeletal changes are the most common clinical manifestation of brucellosis. The main objective of this study was to provide a better understanding of this disease, while also attempting to identify potential markers that can identify the early stage musculoskeletal changes associated with human brucellosis. In this case–control study, 41 male early-stage brucellosis patients (within 6 months of diagnosis) who had not received drug therapy and 44 matched controls were examined. Venous blood samples were collected and serum pyridinoline (PYD), type II collagen cleavage neoepitope (C2C) and osteocalcin (OC) levels were quantified using an enzyme-linked immunosorbent assay (ELISA). In the brucellosis group, the median serum levels of PYD (278.53 µg/L), C2C (82.23 µg/L) and OC (8.41 µg/L) were significantly elevated relative to the control group (Z = 5.686, 3.997, 3.579; P = 0.000). Serum PYD, C2C, and OC levels were increased in early-stage male brucellosis patients, and these factors appear to have promise as potential indicator biomarkers that can reflect the osteoarticular changes that occur in the early stage of human brucellosis.
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Lin X, Onda DA, Yang CH, Lewis JR, Levinger I, Loh K. Roles of bone-derived hormones in type 2 diabetes and cardiovascular pathophysiology. Mol Metab 2020; 40:101040. [PMID: 32544571 PMCID: PMC7348059 DOI: 10.1016/j.molmet.2020.101040] [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: 05/04/2020] [Revised: 05/28/2020] [Accepted: 06/11/2020] [Indexed: 02/07/2023] Open
Abstract
Background Emerging evidence demonstrates that bone is an endocrine organ capable of influencing multiple physiological and pathological processes through the secretion of hormones. Recent research suggests complex crosstalk between the bone and other metabolic and cardiovascular tissues. It was uncovered that three of these bone-derived hormones—osteocalcin, lipocalin 2, and sclerostin—are involved in the endocrine regulations of cardiometabolic health and play vital roles in the pathophysiological process of developing cardiometabolic syndromes such as type 2 diabetes and cardiovascular disease. Chronic low-grade inflammation is one of the hallmarks of cardiometabolic diseases and a major contributor to disease progression. Novel evidence also implicates important roles of bone-derived hormones in the regulation of chronic inflammation. Scope of review In this review, we provide a detailed overview of the physiological and pathological roles of osteocalcin, lipocalin 2, and sclerostin in cardiometabolic health regulation and disease development, with a focus on the modulation of chronic inflammation. Major conclusions Evidence supports that osteocalcin has a protective role in cardiometabolic health, and an increase of lipocalin 2 contributes to the development of cardiometabolic diseases partly via pro-inflammatory effects. The roles of sclerostin appear to be complicated: It exerts pro-adiposity and pro-insulin resistance effects in type 2 diabetes and has an anti-calcification effect during cardiovascular disease. A better understanding of the actions of these bone-derived hormones in the pathophysiology of cardiometabolic diseases will provide crucial insights to help further research develop new therapeutic strategies to treat these diseases.
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Affiliation(s)
- Xuzhu Lin
- St. Vincent's Institute of Medical Research, Fitzroy, VIC, Australia.
| | - Danise-Ann Onda
- St. Vincent's Institute of Medical Research, Fitzroy, VIC, Australia
| | - Chieh-Hsin Yang
- St. Vincent's Institute of Medical Research, Fitzroy, VIC, Australia
| | - Joshua R Lewis
- School of Medical and Health Sciences, Edith Cowan University, Perth, Australia; Medical School, University of Western Australia, Perth, Australia
| | - Itamar Levinger
- Institute for Health and Sport (IHES), Victoria University, Footscray, VIC, Australia; Australian Institute for Musculoskeletal Science (AIMSS), University of Melbourne and Western Health, St Albans, VIC, Australia
| | - Kim Loh
- St. Vincent's Institute of Medical Research, Fitzroy, VIC, Australia; Department of Medicine, University of Melbourne, Parkville, VIC, Australia.
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Liu LN, Mao YM, Zhao CN, Wang H, Yuan FF, Li XM, Pan HF. Circulating Levels of Osteoprotegerin, Osteocalcin and Osteopontin in Patients with Rheumatoid Arthritis: A Systematic Review and Meta-Analysis. Immunol Invest 2018; 48:107-120. [PMID: 30188218 DOI: 10.1080/08820139.2018.1510957] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
OBJECTIVE Currently published data regarding the potential role of osteoprotegerin (OPG), osteocalcin (OCN) and osteopontin (OPN) for the discrimination between rheumatoid arthritis (RA) and osteoarthritis (OA) are contradictory. To derive a more precise evaluation, a meta-analysis was performed. METHODS Published literatures comparing plasma/serum OPG, OCN and OPN levels between RA group and OA controls were searched in PubMed, Embase and the Cochrane Library. The Newcastle-Ottawa Scale was used to assess the study quality. Pooled standard mean difference (SMD) with 95% confidence interval (CI) was calculated by random-effect model analysis. Heterogeneity test was performed by the Q statistic and quantified using I2. RESULTS Nine studies including 438 RA patients and 255 OA patients were finally incorporated in the meta-analysis after examining title, type, abstracts and full text. The results showed that RA patients had higher plasma/serum OPN (pooled SMD = -2.57, 95% CI = -4.72 to -0.41) levels when compared to OA patients. No significant difference in plasma/serum OPG (pooled SMD = -0.29, 95% CI = -1.07‒0.49) and OCN (pooled SMD = -0.09, 95% CI = -0.48‒0.31) levels were found between RA patients and OA patients. Subgroup analysis indicated that plasma/serum OPG levels had no significant differences between RA patients and OA patients in Europe and Asian. CONCLUSIONS Overall, there is no significant difference in circulating OPG and OCN levels between RA patients and OA patients. However, plasma/serum OPN level is significantly higher in RA patients compared with OA patients.
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Affiliation(s)
- Li-Na Liu
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
| | - Yan-Mei Mao
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
| | - Chan-Na Zhao
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
| | - Hong Wang
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
| | - Fei-Fei Yuan
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
| | - Xiao-Mei Li
- c Department of Rheumatology , Anhui Provincial Hospital , Hefei , Anhui , China
| | - Hai-Feng Pan
- a Department of Epidemiology and Biostatistics , School of Public Health, Anhui Medical University , Hefei , Anhui , China.,b Department of causes and interventions of chronic diseases , Anhui Province Key Laboratory of Major Autoimmune Diseases , Hefei , Anhui , China
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Arican M, Carter SD, Bennett D. Osteocalcin in canine joint diseases. THE BRITISH VETERINARY JOURNAL 1996; 152:411-23. [PMID: 8791849 DOI: 10.1016/s0007-1935(96)80035-2] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Markers of joint disease are much sought after in human and veterinary rheumatology. This study investigated the relationship between markers of bone and cartilage turnover in sera and synovial fluids in naturally occurring canine joint diseases. Osteocalcin (OC) was measured by radioimmunoassay; enzyme-linked immunosorbent assays were used to measure keratan sulphate, chondroitin sulphate, hyaluronan and antibodies to collagen I and II. Dimethylmethylene blue binding assay was used for the estimation of sulphated glycosaminoglycans. Compared to normal dogs significantly higher serum OC was seen in dogs with osteoarthritis (P < 0.005), rheumatoid arthritis (RA) (P < 0.01) and rupture/stretching of cranial cruciate ligament (P < 0.02). Reduced OC was found in RA synovial fluids but this finding is probably of little value as there was too much overlap with normal joint data. Apart from a weak correlation between synovial fluid OC and keratan sulphate, there were generally no correlations between markers of bone and cartilage turnover probably reflecting the lack of any relationship between bone and cartilage metabolism in most canine arthropathies.
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Affiliation(s)
- M Arican
- Department of Veterinary Pathology, University of Liverpool, UK
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Peel N, Eastell R, Russell G. Markers of bone and collagen breakdown in early inflammatory arthritis. BAILLIERE'S CLINICAL RHEUMATOLOGY 1992; 6:351-72. [PMID: 1525844 DOI: 10.1016/s0950-3579(05)80179-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Inflammatory arthritis has the potential to cause irreversible erosive damage to cartilage and bone. This may occur very early in the course of the disease. At present it is not possible at diagnosis to identify those patients who will develop erosive damage. If this were possible, it would enable aggressive therapy to be targeted to those patients at greatest risk. There is therefore a need for sensitive markers to detect and quantify joint damage at as early a stage as possible. In this chapter we review potential biochemical markers of such damage and assess their clinical usefulness.
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Wollheim FA, Eberhardt KB. The search for laboratory measures of outcome in rheumatoid arthritis. ACTA ACUST UNITED AC 1992; 6:69-93. [PMID: 1373345 DOI: 10.1016/s0950-3579(05)80339-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
A large number of laboratory tests have been developed within the past decade to measure factors involved in the immune inflammation of RA. These can be divided into genetic markers, general measures of inflammation, autoantibodies and tissue-specific markers. In general, it is simpler to prove the power of a certain test to measure the disease process than to predict outcome. Apart from RF positivity and CRP/ESR, few, if any, tests have proven to be of importance in independent studies from different centres. Among the promising candidates for future work are detailed analysis of the HLA-D region genes, sulphoxidation status, the autoantibody against RA33 nuclear antigen, soluble IL-2 receptor measuring lymphocyte activity, hyaluronate/hyaluronan or PIIINP from synovial tissue, the combined use of COMP and proteoglycan epitope tests for cartilage matrix, and pyrodinoline cross-linking for collagen from bone and cartilage. The ideal setting for testing such markers are prospective cohort studies starting early in the disease, and since many such studies have been initiated recently, one can expect much new information in coming years. Attention needs to be devoted to the kinetics of marker metabolism, since many are degraded or removed at very fast rates from the circulation, making serum assays less informative.
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