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Bhushan S, Singh S, Maiti TK, Das A, Barui A, Chaudhari LR, Joshi MG, Dutt D. Cerium oxide nanoparticles disseminated chitosan gelatin scaffold for bone tissue engineering applications. Int J Biol Macromol 2023; 236:123813. [PMID: 36858088 DOI: 10.1016/j.ijbiomac.2023.123813] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/07/2023] [Accepted: 02/19/2023] [Indexed: 03/03/2023]
Abstract
Cell-free and cell-loaded constructs are used to bridge the critical-sized bone defect. Oxidative stress at the site of the bone defects is a major interference that slows bone healing. Recently, there has been an increase in interest in enhancing the properties of three-dimensional scaffolds with free radical scavenging materials. Cerium oxide nanoparticles (CNPs) can scavenge free radicals due to their redox-modulating property. In this study, freeze-drying was used to fabricate CG-CNPs nanocomposite scaffolds using gelatin (G), chitosan (C), and cerium oxide nanoparticles. Physico-chemical, mechanical, and biological characterization of CG-CNPs scaffolds were studied. CG-CNPs scaffolds demonstrated better results in terms of physicochemical, mechanical, and biological properties as compared to CG-scaffold. CG-CNPs scaffolds were cyto-friendly to MC3T3-E1 cells studied by performing in-vitro and in-ovo studies. The scaffold's antimicrobial study revealed high inhibition zones against Gram-positive and Gram-negative bacteria. With 79 % porosity, 45.99 % weight loss, 178.25 kPa compressive modulus, and 1.83 Ca/P ratio, the CG-CNP2 scaffold displays the best characteristics. As a result, the CG-CNP2 scaffolds are highly biocompatible and could be applied to repair bone defects.
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Affiliation(s)
- Sakchi Bhushan
- Department of Paper Technology, IIT Roorkee, Saharanpur 247001, India
| | - Sandhya Singh
- Department of Paper Technology, IIT Roorkee, Saharanpur 247001, India
| | - Tushar Kanti Maiti
- Department of Polymer and Process Engineering, IIT Roorkee, Saharanpur 247001, India
| | - Ankita Das
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, India
| | - Ananya Barui
- Centre for Healthcare Science and Technology, Indian Institute of Engineering Science and Technology, Shibpur, India
| | - Leena R Chaudhari
- Department of Stem Cells and Regenerative Medicine, D.Y. Patil Education Society (Deemed to be University), Kolhapur, India
| | - Meghnad G Joshi
- Department of Stem Cells and Regenerative Medicine, D.Y. Patil Education Society (Deemed to be University), Kolhapur, India
| | - Dharm Dutt
- Department of Paper Technology, IIT Roorkee, Saharanpur 247001, India.
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Sun J, Wang W, Hu X, Zhang X, Zhu C, Hu J, Ma R. Local delivery of gaseous signaling molecules for orthopedic disease therapy. J Nanobiotechnology 2023; 21:58. [PMID: 36810201 PMCID: PMC9942085 DOI: 10.1186/s12951-023-01813-6] [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: 11/30/2022] [Accepted: 02/13/2023] [Indexed: 02/24/2023] Open
Abstract
Over the past decade, a proliferation of research has used nanoparticles to deliver gaseous signaling molecules for medical purposes. The discovery and revelation of the role of gaseous signaling molecules have been accompanied by nanoparticle therapies for their local delivery. While most of them have been applied in oncology, recent advances have demonstrated their considerable potential in diagnosing and treating orthopedic diseases. Three of the currently recognized gaseous signaling molecules, nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S), are highlighted in this review along with their distinctive biological functions and roles in orthopedic diseases. Moreover, this review summarizes the progress in therapeutic development over the past ten years with a deeper discussion of unresolved issues and potential clinical applications.
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Affiliation(s)
- Jiaxuan Sun
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Wenzhi Wang
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Xianli Hu
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Xianzuo Zhang
- grid.59053.3a0000000121679639Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001 Anhui China
| | - Chen Zhu
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China.
| | - Jinming Hu
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, CAS Key Laboratory of Soft Matter Chemistry, Department of Polymer Science and Engineering, University of Science and Technology of China, Hefei, 230001, Anhui, China.
| | - Ruixiang Ma
- Department of Orthopedics, The First Affiliated Hospital of University of Science and Technology of China (USTC), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China.
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Arpa M, Şen B, Beyazal MS, Erel Ö. Evaluation of thiol-disulfide homeostasis in active ankylosing spondylitis patients. REUMATOLOGIA CLINICA 2022; 18:343-348. [PMID: 35680366 DOI: 10.1016/j.reumae.2021.03.010] [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: 01/19/2021] [Accepted: 03/31/2021] [Indexed: 06/15/2023]
Abstract
INTRODUCTION AND OBJECTIVES The etiopathogenesis of ankylosing spondylitis (AS), which is a chronic, progressive, inflammatory, systemic disease, has not been fully elucidated yet. Thiol-disulfide homeostasis, a component of antioxidant defense, is thought to play a role in the etiology of inflammatory diseases. We aimed to evaluate the existence of oxidative stress in active AS patients with thiol-disulfide homeostasis. MATERIALS AND METHODS Patients who were found to have high (n: 27) and very-high (n: 18) activity levels with ASDAS-ESR and 40 healthy controls participated in the study. Serum native-thiol (NT), total-thiol (TT), and disulfide levels were analyzed by an automated colorimetric method. RESULTS While TT and NT levels were significantly decreased in patients compared to the control group, the disulfide levels were increased. There was a significant negative correlation between ESR, and NT, TT in both groups and also between hsCRP and NT, TT in very-high active AS patients.TT and NT levels were significantly higher in the nonsteroidal anti-inflammatory drug (NSAID) users compared to those using biological agents. CONCLUSIONS The deterioration of thiol-disulfide homeostasis in favor of disulfide; correlations between ESR, CRP, and NT, TT support the use of thiol-disulfide variables in determining the disease activity level.
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Affiliation(s)
- Medeni Arpa
- Department of Medical Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey.
| | - Bayram Şen
- Department of Medical Biochemistry, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
| | - Münevver Serdaroğlu Beyazal
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Özcan Erel
- Department of Medical Biochemistry, Faculty of Medicine, Yıldırım Beyazıt University Ankara, Turkey
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Tel Adıgüzel K, Yurdakul FG, Kürklü NS, Yaşar E, Bodur H. Relationship between diet, oxidative stress, and inflammation in ankylosing spondylitis. Arch Rheumatol 2021; 37:1-10. [PMID: 35949875 PMCID: PMC9326390 DOI: 10.46497/archrheumatol.2022.9015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 07/06/2021] [Indexed: 11/03/2022] Open
Abstract
Objectives: This study aims to investigate the relationship between disease activity, dietary phytochemical index (DPI), and serum total oxidant status (TOS) and total antioxidant status (TAS) in patients with ankylosing spondylitis (AS).
Patients and methods: Between August 2020 and January 2021, a total of 37 patients (23 males, 14 females; mean age: 39.3±9.4 years; range, 21 to 61 years) with AS and 36 age-, sex-, and body mass index-matched healthy individuals (24 males, 12 females; mean age: 37.9±8.9 years; range, 20 to 60 years) were included. Serum TAS (μmoLTroloxEq/L) and TOS (μmoL H2O2Eq/L) measurements were performed and the oxidative stress index (OSI) was calculated. Dietary evaluation was made from a one-day dietary record and DPI was calculated.
Results: Serum TAS level in AS patients was significantly lower than the healthy group (p=0.003). Serum TOS level was similar in both groups. The OSI of patients was significantly higher than the controls (p=0.035). The mean DPI, polyunsaturated fatty acid, n-3 fatty acid, and vitamin C intake of patients were significantly lower than controls (p=0.042, p=0.033, and p=0.022, respectively). A moderate positive correlation was found between the TAS level and DPI of the control group (r=0.352, p=0.035). According to medications, no significant difference was seen between the groups in terms of patients’ characteristics, DPI, and laboratory tests and there was no correlation between DPI, TAS, TOS, and OSI.
Conclusion: Lower DPI and lower n-3 fatty acid and vitamin C intake in patient group demonstrated that patients with AS should pay more attention to their diet to increase serum antioxidant status.
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Affiliation(s)
- Kübra Tel Adıgüzel
- Department of Nutrition and Dietetics, Gülhane Faculty of Health Sciences, University of Health Sciences Turkey, Ankara, Turkey
| | - Fatma Gül Yurdakul
- Department of Physical Medicine and Rehabilitation, Ankara City Hospital, Physical Therapy and Rehabilitation Hospital, Ankara, Turkey
| | - Nilgün Seremet Kürklü
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Akdeniz University, Antalya, Turkey
| | - Evren Yaşar
- Department of Physical Medicine and Rehabilitation, Gülhane School of Medicine, University of Health Sciences Turkey, Ankara,Turkey
| | - Hatice Bodur
- Department of Physical Medicine and Rehabilitation, Yıldırım Beyazıt University Faculty of Medicine, Ankara, Turkey
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Ruiz-Limon P, Ladehesa-Pineda ML, Lopez-Medina C, Lopez-Pedrera C, Abalos-Aguilera MC, Barbarroja N, Arias-Quiros I, Perez-Sanchez C, Arias-de la Rosa I, Ortega-Castro R, Escudero-Contreras A, Collantes-Estevez E, Jimenez-Gomez Y. Potential Role and Impact of Peripheral Blood Mononuclear Cells in Radiographic Axial Spondyloarthritis-Associated Endothelial Dysfunction. Diagnostics (Basel) 2021; 11:diagnostics11061037. [PMID: 34199950 PMCID: PMC8226914 DOI: 10.3390/diagnostics11061037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 05/28/2021] [Accepted: 06/01/2021] [Indexed: 11/16/2022] Open
Abstract
Endothelial dysfunction (ED) is well known as a process that can lead to atherosclerosis and is frequently presented in radiographic axial spondyloarthritis (r-axSpA) patients. Here, we investigated cellular and molecular mechanisms underlying r-axSpA-related ED, and analyzed the potential effect of peripheral blood mononuclear cells (PBMCs) in promoting endothelial injury in r-axSpA. A total of 30 r-axSpA patients and 32 healthy donors (HDs) were evaluated. The endothelial function, inflammatory and atherogenic profile, and oxidative stress were quantified. In vitro studies were designed to evaluate the effect of PBMCs from r-axSpA patients on aberrant endothelial activation. Compared to HDs, our study found that, associated with ED and the plasma proatherogenic profile present in r-axSpA, PBMCs from these patients displayed a pro-oxidative, proinflammatory, and proatherogenic phenotype, with most molecular changes noticed in lymphocytes. Correlation studies revealed the relationship between this phenotype and the microvascular function. Additional in vitro studies confirmed that PBMCs from r-axSpA patients promoted endothelial injury. Altogether, this study suggests the relevance of r-axSpA itself as a strong and independent cardiovascular risk factor, contributing to a dysfunctional endothelium and atherogenic status by aberrant activation of PBMCs. Lymphocytes could be the main contributors in the development of ED and subsequent atherosclerosis in this pathology.
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Affiliation(s)
- Patricia Ruiz-Limon
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
- UGC of Endocrinology and Nutrition, The Biomedical Research Institute of Málaga (IBIMA), Virgen de la Victoria Hospital, 29010 Málaga, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Carlos III Health Institute, 28029 Madrid, Spain
- Correspondence: (P.R.-L.); (Y.J.-G.)
| | - Maria L. Ladehesa-Pineda
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Clementina Lopez-Medina
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Chary Lopez-Pedrera
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Maria C. Abalos-Aguilera
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Nuria Barbarroja
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Isabel Arias-Quiros
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Carlos Perez-Sanchez
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Ivan Arias-de la Rosa
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Rafaela Ortega-Castro
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Alejandro Escudero-Contreras
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Eduardo Collantes-Estevez
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
| | - Yolanda Jimenez-Gomez
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), 14004 Córdoba, Spain; (M.L.L.-P.); (C.L.-M.); (C.L.-P.); (M.C.A.-A.); (N.B.); (I.A.-Q.); (C.P.-S.); (I.A.-d.l.R.); (R.O.-C.); (A.E.-C.); (E.C.-E.)
- UGC Rheumatology, Reina Sofia University Hospital, 14004 Córdoba, Spain
- Department of Medicine (Medicine, Dermatology and Otorhinolaryngology), University of Córdoba, 14004 Córdoba, Spain
- Correspondence: (P.R.-L.); (Y.J.-G.)
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Arpa M, Şen B, Beyazal MS, Erel Ö. Evaluation of Thiol-disulfide Homeostasis in Active Ankylosing Spondylitis Patients. REUMATOLOGIA CLINICA 2021; 18:S1699-258X(21)00118-2. [PMID: 34016551 DOI: 10.1016/j.reuma.2021.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2021] [Revised: 03/31/2021] [Accepted: 03/31/2021] [Indexed: 11/22/2022]
Abstract
INTRODUCTION AND OBJECTIVES The etiopathogenesis of ankylosing spondylitis (AS), which is a chronic, progressive, inflammatory, systemic disease, has not been fully elucidated yet. Thiol-disulfide homeostasis, a component of antioxidant defense, is thought to play a role in the etiology of inflammatory diseases. We aimed to evaluate the existence of oxidative stress in active AS patients with thiol-disulfide homeostasis. MATERIALS AND METHODS Patients who were found to have high (n: 27) and very-high (n: 18) activity levels with ASDAS-ESR and 40 healthy controls participated in the study. Serum native-thiol (NT), total-thiol (TT), and disulfide levels were analyzed by an automated colorimetric method. RESULTS While TT and NT levels were significantly decreased in patients compared to the control group, the disulfide levels were increased. There was a significant negative correlation between ESR, and NT, TT in both groups and also between hsCRP and NT, TT in very-high active AS patients.TT and NT levels were significantly higher in the nonsteroidal anti-inflammatory drug (NSAID) users compared to those using biological agents. CONCLUSIONS The deterioration of thiol-disulfide homeostasis in favor of disulfide; correlations between ESR, CRP, and NT, TT support the use of thiol-disulfide variables in determining the disease activity level.
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Affiliation(s)
- Medeni Arpa
- Department of Medical Biochemistry, Faculty of Medicine, Recep Tayyip Erdogan University, Rize, Turkey.
| | - Bayram Şen
- Department of Medical Biochemistry, Recep Tayyip Erdogan University Training and Research Hospital, Rize, Turkey
| | - Münevver Serdaroğlu Beyazal
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Recep Tayyip Erdoğan University, Rize, Turkey
| | - Özcan Erel
- Department of Medical Biochemistry, Faculty of Medicine, Yıldırım Beyazıt University Ankara, Turkey
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Saha A, Bagchi A, Chatterjee S, Dutta S, Misra S, Bhattacharjee D, Chatterjee S, Mondal S, Ghosh P, Chatterjee M, Ghosh A. Phenotypic characterization of circulating endothelial cells induced by inflammation and oxidative stress in ankylosing spondylitis. Free Radic Res 2021; 55:520-532. [PMID: 33517802 DOI: 10.1080/10715762.2020.1870113] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Ankylosing spondylitis (AS) is a chronic auto-immune disease, affecting the spine, sacroiliac, and sometimes peripheral joints. It is also involved with cardio-vascular risk factors due to accelerated atherosclerosis. Oxidative burst, systemic inflammation coupled with endothelial dysfunction (ED), resulting in reduced bioavailability of the vasodilator nitric oxide (NO) and an increased number of circulating endothelial cells (CECs) may correlate with disease activity and its sustenance. Hence, the study was aimed to detect and quantify CECs and assess the oxidative stress and inflammatory status in AS patients vis-à-vis healthy controls, as well as relate these parameters with AS disease activity and atherosclerotic markers in patients. Our study showed an increased frequency of endothelial cells in peripheral blood of AS patients in pro-inflammatory conditions. In AS patient population, they showed significant reduction of flow-mediated dilatation (%FMD) (p < 0.05), and increased soluble adhesion molecules such as sICAM-1 (p < 0.01) and sVCAM-1 (p < 0.05) compared to healthy controls. A marked increase in pro-inflammatory markers such as TNF-α (p < 0.01) and IL-1β (p < 0.001) and reactive free radicals (p < 0.05) along with reduced serum nitrite in AS, provided a strong pro-inflammatory milieu which positively correlated with Bath ankylosing spondylitis disease activity and functional indices (BASDAI and BASFI). The observed significant upregulation in CECs (CD45-/CD31+/CD105+/CD144+) in patients compared to healthy controls positively correlated with disease activity and duration as well as with markers of oxidative stress. Thus, chronic inflammation and oxidative burst induce loss of NO bioavailability, leading to ED. This may cause the derangement of CECs that may be considered as a prognostic biomarker for ED.
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Affiliation(s)
- Ayindrila Saha
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Aniruddha Bagchi
- Department of Pharmacology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Sulagna Chatterjee
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Satarupa Dutta
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Sanchaita Misra
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Dipanjan Bhattacharjee
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Sudipta Chatterjee
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Sumantro Mondal
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Parasar Ghosh
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Mitali Chatterjee
- Department of Pharmacology, Institute of Post Graduate Medical Education & Research, Kolkata, India
| | - Alakendu Ghosh
- Department of Clinical Immunology & Rheumatology, Institute of Post Graduate Medical Education & Research, Kolkata, India
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Oxidative and Antioxidative Stress Linked Biomarkers in Ankylosing Spondylitis: A Systematic Review and Meta-analysis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020. [DOI: 10.1155/2020/4759451] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Objective. Ankylosing spondylitis (AS) is a chronic inflammatory disease that affects the axial skeleton, leading to joint disability. Our study aims at investigating the change of oxidative and antioxidative stress linked biomarkers in AS. Methods. This systematic review and meta-analysis was performed following the Preferred Reporting Items of Systematic Reviews and Meta-Analyses (PRISMA) statement. PubMed, Web of Science, and Cochrane Library databases till May 2020 were searched. Only articles published in English were included. Two reviewers screened relevant studies, extracted data, and assessed the quality of included studies using the Newcastle-Ottawa scale independently. Either random or fixed effect model was adopted base on the heterogeneity testing by
statistic. Standardized mean difference (SMD) and 95% confidence intervals (CI) of oxidative and antioxidative markers were calculated.
value <0.05 was considered statistically significant. Results. A total of 22 studies including 931 AS patients and 917 healthy controls met the selection criteria. Significantly increased levels of all oxidative stress markers except myeloperoxidase, and significantly decreased levels of total antioxidant status (
, 95% CI -2.35 to -0.03,
) and paraoxonase 1(
, 95% CI -1.78 to -0.24,
) in serum were observed in AS patients when compared with healthy controls. However, there were no significant differences of all oxidative and anti-oxidative stress biomarkers in erythrocytes. Additionally, the levels of malondialdehyde (
, 95% CI 0.21 to 0.81,
) and advanced oxidation protein products (
, 95% CI 0.58 to 1.31,
) in serum were significantly higher in active patients when compared with inactive AS patients. Conclusion. This meta-analysis demonstrated an overall increase of oxidative markers and decrease of antioxidative markers in AS, suggesting that oxidative stress may play an important role in the pathogenesis of AS.
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Santos JM, Mendonça VA, Ribeiro VGC, Tossige-Gomes R, Fonseca SF, Prates ACN, Flor J, Oliveira ACC, Martins JB, Garcia BCC, Leite HR, Figueiredo PHS, Bernardo-Filho M, Lacerda ACR. Does whole body vibration exercise improve oxidative stress markers in women with fibromyalgia? Braz J Med Biol Res 2019; 52:e8688. [PMID: 31389493 PMCID: PMC6686277 DOI: 10.1590/1414-431x20198688] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 06/13/2019] [Indexed: 12/15/2022] Open
Abstract
The objective of this study was to investigate the effect of whole body vibration (WBV) exercise on oxidative stress markers in a group of women with fibromyalgia (FM) compared to a group of healthy women (CT). Twenty-one women diagnosed with FM and 21 age- and weight-matched healthy women were enrolled the study. Plasma oxidative stress markers (primary outcomes) were evaluated at rest and after WBV, and included thiobarbituric acid reactive substances (TBARS), iron reduction capacity (FRAP), superoxide dismutase antioxidant enzymes activity (SOD), and catalase (CAT). At rest, the FM group had higher TBARS (P<0.001) and FRAP (P<0.001), and lower CAT (P=0.005) compared to the CT. In the CT group, the WBV had no effect on TBARS (P=0.559) and FRAP (P=0.926), whereas it increased both SOD (P<0.001) and CAT (P<0.001). In the FM group, the WBV reduced TBARS (p <0.001), FRAP (P<0.001), and CAT (P=0.005), while it increased SOD (P=0.019). There was an interaction effect (moments vs groups) in the TBARS (effect size=1.34), FRAP (effect size=0.93), CAT (effect size=1.45), and SOD (effect size=1.44) (P<0.001). A single trial of WBV exercise improved all oxidant and antioxidant parameters towards a greater adaptation to the stress response in FM women.
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Affiliation(s)
- J M Santos
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - V A Mendonça
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - V G C Ribeiro
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - R Tossige-Gomes
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - S F Fonseca
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - A C N Prates
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - J Flor
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - A C C Oliveira
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - J B Martins
- Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - B C C Garcia
- Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - H R Leite
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
| | - P H S Figueiredo
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil
| | - M Bernardo-Filho
- Departamento de Biofísica e Biometria, Instituto de Biologia Roberto Alcântara Gomes, Universidade do Estado do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
| | - A C R Lacerda
- Programa de Pós-Graduação em Reabilitação e Desempenho Funcional, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Departamento de Fisioterapia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brasil.,Programa Multicêntrico de Pós-graduação em Ciências Fisiológicas, Sociedade Brasileira de Fisiologia, Diamantina, MG, Brasil
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Baykara RA, Tuzcu A, Omma A, Acet GK, Dogan E, Aydin A, Cure MC, Cure E, Kucuk A, Erel O. Evaluation of serum thiol/disulfide homeostasis in patients with ankylosing spondylitis by a novel method. North Clin Istanb 2019; 6:348-354. [PMID: 31909379 PMCID: PMC6936950 DOI: 10.14744/nci.2018.37132] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 05/27/2018] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE Increased reactive oxygen species may play an important role in Ankylosing spondylitis (AS) etiopathogenesis. The thiol group is a very potent antioxidant. In this study, we aimed to investigate the presence of oxidative stress in patients with AS by evaluating thiol/disulfide homeostasis. METHODS In this study, a total of 66 AS patients (27 male, 39 female) and 66 healthy controls (21 male, 45 female) were enrolled. Recently, a novel method for the thiol measurement was found. Thiol and disulfide values were measured by the novel methods. RESULTS Native thiol (NT) (p<0.001) and native thiol/total thiol (NTT) (p<0.001) levels of AS patients were significantly lower compared to the values of the healthy group. However, disulfide (p<0.001), disulfide/native thiol (DNT) (p<0.001) and disulfide/total thiol (DTT) levels of AS patients were a strongly higher control group. A negative correlation was found between BASFI and NTT. Also, a negative correlation was found between BASDAI and NT, NTT levels. A positive correlation was found between BASFI and disulfide, DNT and DTT levels. A positive correlation was found between BASDAI and disulfide, DNT and DTT levels. CONCLUSION The findings revealed that thiol-disulfide homeostasis deteriorated in patients with AS in favor of disulfide amounts. Thiol-disulfide homeostasis can play roles in the etiology and severity of AS.
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Affiliation(s)
- Rabia Aydogan Baykara
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
- Correspondence: Dr. Rabia AYDOGAN BAYKARA. Malatya Egitim Arastirma Hastanesi, Fiziksel Tip ve Rehabilitasyon Klinigi, Malatya, Turkey. Tel: +90 532 200 70 41 e-mail:
| | - Ayca Tuzcu
- Department of Biochemistry, Malatya Training and Research Hospital, Malatya, Turkey
| | - Ahmet Omma
- Division of Rheumatology, Department of Internal Medicine, Numune Training and Research Hospital, Ankara, Turkey
| | - Gunseli Karaca Acet
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
| | - Erdal Dogan
- Department of Physical Medicine and Rehabilitation, Private Malatya Park Hospital, Malatya, Turkey
| | - Almila Aydin
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
| | - Medine Cumhur Cure
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
| | - Erkan Cure
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
| | - Adem Kucuk
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
| | - Ozcan Erel
- Department of Physical Medicine and Rehabilitation, Malatya Training and Research Hospital, Malatya, Turkey
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11
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Evaluation of serum thiol/disulfide homeostasis in patients with ankylosing spondylitis by a novel method. North Clin Istanb 2018. [PMID: 31909379 DOI: 10.14744/nci.2018.37132.] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
OBJECTIVE Increased reactive oxygen species may play an important role in Ankylosing spondylitis (AS) etiopathogenesis. The thiol group is a very potent antioxidant. In this study, we aimed to investigate the presence of oxidative stress in patients with AS by evaluating thiol/disulfide homeostasis. METHODS In this study, a total of 66 AS patients (27 male, 39 female) and 66 healthy controls (21 male, 45 female) were enrolled. Recently, a novel method for the thiol measurement was found. Thiol and disulfide values were measured by the novel methods. RESULTS Native thiol (NT) (p<0.001) and native thiol/total thiol (NTT) (p<0.001) levels of AS patients were significantly lower compared to the values of the healthy group. However, disulfide (p<0.001), disulfide/native thiol (DNT) (p<0.001) and disulfide/total thiol (DTT) levels of AS patients were a strongly higher control group. A negative correlation was found between BASFI and NTT. Also, a negative correlation was found between BASDAI and NT, NTT levels. A positive correlation was found between BASFI and disulfide, DNT and DTT levels. A positive correlation was found between BASDAI and disulfide, DNT and DTT levels. CONCLUSION The findings revealed that thiol-disulfide homeostasis deteriorated in patients with AS in favor of disulfide amounts. Thiol-disulfide homeostasis can play roles in the etiology and severity of AS.
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Decreased Oxidative Stress in Male Patients with Active Phase Ankylosing Spondylitis Who Underwent Whole-Body Cryotherapy in Closed Cryochamber. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:7365490. [PMID: 29854091 PMCID: PMC5954940 DOI: 10.1155/2018/7365490] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 04/10/2018] [Indexed: 01/24/2023]
Abstract
Objective The aim of the study was to estimate the impact of whole body cryotherapy (WBC) on oxidative stress when performed in a closed cryochamber on patients with ankylosing spondylitis (AS). Material and methods The effect of ten WBC procedures lasting 3 minutes a day with a subsequent 60-minute session kinesiotherapy on oxidative stress in male AS patients (WBC group n = 16) was investigated. To assess the disease activity, the Bath Ankylosing Spondylitis Diseases Activity Index (BASDAI) and Bath Ankylosing Spondylitis Functional Index (BASFI) were calculated. The WBC group was compared to the kinesiotherapy only (KT; n = 16) group. The routine parameters of oxidative stress (antioxidant enzymatic and nonenzymatic antioxidant status, lipid peroxidation products, total oxidative status (TOS), and oxidative stress index (OSI)) were estimated one day before the beginning and one day after the completion of the research program. Results After the completion of the treatment in the WBC group, a significant decrease of oxidative stress markers (TOS and OSI) and a significant increase of total antioxidant status were observed. The erythrocyte activity of glutathione peroxidase, glutathione reductase decreased significantly in both groups, but the differences of activity of that enzymes prior to post treatment values (Δ) in the KT group were significantly higher as compared to the WBC group. The activity of erythrocyte catalase and plasma ZnCu isoenzyme of superoxide dismutase showed a decreased tendency; erythrocyte total superoxide dismutase activity showed an increased tendency in the WBC group after the completion of the treatment. The BASDAI and BASFI decreased significantly in both groups, but the differences of value indexes prior to post treatment (Δ) were significantly higher in the WBC than KT group. Conclusion WBC performed in a closed cryochamber decreases oxidative stress and improves BASDAI and BASFI indexes in male patients during the active phase of ankylosing spondylitis.
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Evaluation of auditory and cochlear functions in ankylosing spondylitis patients according to the site of involvement. Eur Arch Otorhinolaryngol 2017; 274:3875-3881. [PMID: 28889257 DOI: 10.1007/s00405-017-4733-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2017] [Accepted: 08/29/2017] [Indexed: 01/13/2023]
Abstract
Ankylosing spondylitis (AS) is a chronic systemic inflammatory disease of unknown origin with a prevalence rate about 1% in the population. Audiovestibular dysfunction is encountered in AS and sensorineural hearing loss is the most common form. The present study aimed to evaluate auditory and cochlear function in AS patients according to the site of involvement. A total of 47 patients followed for AS in the rheumatology outpatient clinic and 30 healthy controls were enrolled in the study. Subgroups of AS were identified according to the site of involvement. The participants underwent complete otolaryngological examination together with audiometry, otoacoustic emission and tympanometry tests. Disease Activity Index (BASDAI) was determined in the AS group. Hearing loss was detected in seven patients (15%) in the AS group and in four subjects (8%) in the control group. There was statistically significant difference between the patient and control groups in terms of mean bone conduction hearing level at 4000 hertz (Hz) in the right and left ears (p = 0.028, p = 0.049). There was no significant difference between the subgroups of AS in terms of overall auditory and cochlear functions. No correlation was determined between auditory values and Disease Activity Index and CRP (p > 0.05 for all). Our results reveal that AS has minimal effect on auditory and cochlear functions. The effects of subgroups of AS on auditory functions were comparable. The authors concluded that BASDAI and CRP are not convenient in monitoring auditory functions of AS patients.
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Increased Levels of Oxidative Stress Markers, Soluble CD40 Ligand, and Carotid Intima-Media Thickness Reflect Acceleration of Atherosclerosis in Male Patients with Ankylosing Spondylitis in Active Phase and without the Classical Cardiovascular Risk Factors. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:9712536. [PMID: 28883908 PMCID: PMC5573095 DOI: 10.1155/2017/9712536] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 06/15/2017] [Accepted: 07/12/2017] [Indexed: 12/17/2022]
Abstract
Objective The primary aim of the study was to assess levels of oxidative stress markers, soluble CD40 ligand (sCD40L), serum pregnancy-associated plasma protein-A (PAPP-A), and placental growth factor (PlGF) as well as carotid intima-media thickness (IMT) in patients with ankylosing spondylitis (AS) with active phase without concomitant classical cardiovascular risk factors. Material and methods The observational study involved 96 male subjects: 48 AS patients and 48 healthy ones, who did not differ significantly regarding age, BMI, comorbid disorders, and distribution of classical cardiovascular risk factors. In both groups, we estimated levels of oxidative stress markers, lipid profile, and inflammation parameters as well as sCD40L, serum PAPP-A, and PlGF. In addition, we estimated carotid IMT in each subject. Results The study showed that markers of oxidative stress, lipid profile, and inflammation, as well as sCD40L, PlGF, and IMT, were significantly higher in the AS group compared to the healthy group. Conclusion Our results demonstrate that ankylosing spondylitis may be associated with increased risk for atherosclerosis.
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Turina MC, Landewé R, Baeten D. Lessons to be learned from serum biomarkers in psoriasis and IBD – the potential role in SpA. Expert Rev Clin Immunol 2016; 13:333-344. [DOI: 10.1080/1744666x.2017.1244004] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Maureen C. Turina
- Department of Clinical Immunology and Rheumatology, Amsterdam Rheumatology and immunology Center, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
| | - Robert Landewé
- Department of Clinical Immunology and Rheumatology, Amsterdam Rheumatology and immunology Center, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
| | - Dominique Baeten
- Department of Clinical Immunology and Rheumatology, Amsterdam Rheumatology and immunology Center, Academic Medical Center/University of Amsterdam, Amsterdam, The Netherlands
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Dogru A, Balkarli A, Cetin GY, Neselioglu S, Erel O, Tunc SE, Sahin M. Thiol/disulfide homeostasis in patients with ankylosing spondylitis. Bosn J Basic Med Sci 2016; 16:187-92. [PMID: 27186972 DOI: 10.17305/bjbms.2016.1001] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 02/22/2016] [Accepted: 02/24/2016] [Indexed: 02/07/2023] Open
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease. In many inflammatory diseases, increased production of pro-inflammatory cytokines is associated with an increase in oxidative stress mediators. Thiol/disulfide homeostasis is a marker for oxidative stress. The aim of this study was to examine the dynamic thiol/disulfide homeostasis in AS. Sixty-nine patients with AS and 60 age- and sex-matched controls were included in the study. The Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) and visual analogue scale (VAS) were used to determine the disease activity. Native thiol, total thiol, and disulfide levels were measured with a novel automated method recently described by Erel and Neselioglu. The aforementioned method is also optionally manual spectrophotometric assay. The total thiol levels were significantly lower in the AS group compared with the control group (p = 0.03). When the patients were divided into active (n = 35) and inactive (n = 34) subgroups using BASDAI scores, the native plasma thiol and total thiol levels were significantly lower in the active AS patients compared to the inactive AS patients (p = 0.02, p = 0.03 respectively). There was a negative correlation between the plasma native thiol levels and VAS, BASDAI scores. Thiol/disulfide homeostasis may be used for elucidating the effects of oxidative stress in AS. Understanding the role of thiol/disulfide homeostasis in AS might provide new therapeutic intervention strategies for patients.
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Affiliation(s)
- Atalay Dogru
- Faculty of Medicine, Suleyman Demirel University.
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Solmaz D, Kozacı D, Sarı İ, Taylan A, Önen F, Akkoç N, Akar S. Oxidative stress and related factors in patients with ankylosing spondylitis. Eur J Rheumatol 2016; 3:20-24. [PMID: 27708964 DOI: 10.5152/eurjrheum.2015.0031] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2015] [Accepted: 08/24/2015] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE Ankylosing spondylitis (AS) is a chronic inflammatory disease of the spine and sacroiliac joints of unknown etiology. Recent studies have reported increased oxidative stress, which is implicated in the pathogenesis of a number of diseases, in AS. The purpose of this study was to investigate oxidative stress and related factors in AS. MATERIAL AND METHODS Eighty-five patients with AS [36 (16-64) years; 65 male/20 female] and 56 healthy subjects [36 (21-63) years; 39 male/17 female] with no known cardiovascular risk factors were enrolled. Serum total oxidant status (TOS) and total anti-oxidant status (TAS) were studied. The Bath ankylosing spondylitis functional index (BASFI), Bath ankylosing spondylitis disease activity index (BASDAI), and Bath ankylosing spondylitis metrology index (BASMI) were calculated. A logistic regression model was used to identify the independent risk factors for TOS. RESULTS No differences were observed in terms of demographic characteristics, laboratory findings, or TAS concentrations between the patient and control groups. However, the serum TOS levels were significantly higher in the AS group than in the controls (p=0.003). The comparison of cases of active (BASDAI ≥4) and inactive AS revealed significantly higher TOS levels in the active disease group. The TOS and TAS concentrations did not differ between patients treated with biological agents and those treated with conventional agents. Correlation analysis yielded significant correlations between TOS and TAS, BASMI, BASFI, BASDAI, erythrocyte sedimentation rate (ESR), and high-sensitive C-reactive protein (hs-CRP) (p<0.05; r values ranged from 0.291 to 0.452) and a positive correlation between TAS and BASMI (p<0.05; r=0.344). Based on regression analysis, BASDAI, BASMI, and hs-CRP independently predicted the TOS levels [p<0.05, R2: 0.262, and standard error of the estimate (SEE): 10.96]. CONCLUSION Oxidative stress levels were higher in patients with AS than in healthy subjects. Patients with active disease status had significantly higher oxidative stress than patients with inactive disease status and healthy controls. Treatment status has no effect on TOS, and BASMI, BASDAI, and hs-CRP are independent variables associated with TOS. The TAS levels were found to be associated with only BASMI.
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Affiliation(s)
- Dilek Solmaz
- Department of Internal Medicine, Division of Rheumatology, Dokuz Eylül University School of Medicine, İzmir, Turkey
| | - Didem Kozacı
- Department of Biochemistry, Adnan Menderes University School of Medicine, Aydın, Turkey
| | - İsmail Sarı
- Department of Internal Medicine, Division of Rheumatology, Dokuz Eylül University School of Medicine, İzmir, Turkey
| | - Ali Taylan
- Clinic of Rheumatology, Tepecik Training and Research Hospital, İzmir, Turkey
| | - Fatoş Önen
- Department of Internal Medicine, Division of Rheumatology, Dokuz Eylül University School of Medicine, İzmir, Turkey
| | - Nurullah Akkoç
- Department of Internal Medicine, Division of Rheumatology, Dokuz Eylül University School of Medicine, İzmir, Turkey
| | - Servet Akar
- Department of Internal Medicine, Division of Rheumatology, Dokuz Eylül University School of Medicine, İzmir, Turkey
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Wang L, Gao L, Jin D, Wang P, Yang B, Deng W, Xie Z, Tang Y, Wu Y, Shen H. The Relationship of Bone Mineral Density to Oxidant/Antioxidant Status and Inflammatory and Bone Turnover Markers in a Multicenter Cross-Sectional Study of Young Men with Ankylosing Spondylitis. Calcif Tissue Int 2015; 97:12-22. [PMID: 26025702 DOI: 10.1007/s00223-015-0001-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2015] [Accepted: 04/09/2015] [Indexed: 12/15/2022]
Abstract
Low bone mineral density (BMD) is an important complication of ankylosing spondylitis (AS) that seriously affects men and their quality of life, even in young patients. However, the relationships among redox; levels of bone turnover markers (BTMs), inflammatory markers and disease activity; and low BMD in AS require clarification. We recruited 102 men aged 30-39 year with AS and 102 healthy, sex- and age-matched controls for this cross-sectional study. The subjects were analyzed for lumbar spine and femoral neck BMD by dual-energy X-ray absorptiometry. Significantly lower BMD and corresponding T-scores were observed in the AS patients compared with the controls (P < 0.05). The oxidant biomarker and antioxidant levels were significantly (P < 0.05) higher and lower, respectively, in the AS subjects compared with the controls, and the bone resorption and inflammatory marker levels were higher (P < 0.05). In subgroup analyses, the patients with osteoporosis or active disease had the highest levels of oxidant biomarkers (P < 0.05). Furthermore, the BMD T-scores in AS were found to be negatively correlated with oxidative status (P < 0.05). Multivariate binary logistic analysis showed that low BMD in the AS patients was associated with higher levels of advanced oxidation protein products, malondialdehyde and C-terminal telopeptide of type I collagen; lower levels of glutathione peroxidase; and higher scores of a bath ankylosing spondylitis metrology index. In conclusion, imbalanced redox was independently associated with low BMD in young men with AS and may play an important role in the pathogenesis of AS-related low BMD.
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Affiliation(s)
- Le Wang
- Department of Orthopedics, Sun Yat-sen Memorial Hospital, Sun Yat-Sen University, 107# Yanjiangxi Road, Guangzhou, 510120, Guangdong, People's Republic of China
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Elevated serum levels of calprotectin (myeloid-related protein 8/14) in patients with ankylosing spondylitis and its association with disease activity and quality of life. J Investig Med 2015; 62:880-4. [PMID: 24922195 DOI: 10.1097/jim.0000000000000095] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
BACKGROUND Calprotectin is one of the major leukocyte S100 proteins showing both calcium binding and antimicrobial characteristics. The serum level of calprotectin is markedly elevated in patients with inflammatory bowel disease, rheumatoid arthritis, as well as systemic lupus erythematosus and has been suggested to play a prominent role in both progression and pathogenesis of these diseases. AIM The purpose of this study was to investigate the serum level of calprotectin in patients with ankylosing spondylitis (AS) and its association with disease activity and other clinical characteristics of AS. MATERIALS AND METHODS Thirty-one patients who met the modified New York criteria for AS and 45 healthy controls were included in this study. Both Bath AS disease activity index and AS disease activity score were applied on the patients with AS for the assessment of disease activity; Bath AS functional index, for the assessment of functional activity; Bath AS radiology index, for the assessment of radiological damage; and the AS quality of life questionnaire for the assessment of disease-related life status. Spinal and hip measurements were performed using Bath AS metrology index. The serum level of calprotectin was determined using enzyme-linked immunosorbent assay kit. RESULTS Mean serum level of calprotectin was significantly higher in the patients with AS compared with healthy controls (P = 0.003). Serum levels of calprotectin did not correlate with Bath AS disease activity index, AS disease activity score, Bath AS functional index, Bath AS radiology index, Bath AS metrology index, modified Schober, chest expansion, AS quality of life questionnaire, erythrocyte sedimentation rate, and C-reactive protein values (P > 0.05). CONCLUSIONS Our results suggest that calprotectin might play an important role in the pathogenetic mechanisms of AS; however, the calprotectin levels did not correlate with the measurements of disease activity, functional abilities, radiological damage, and the quality of life in these patients. Further insight into this area of research might provide opportunities to develop novel treatment strategies, which take into account the role of these peptides in the pathogenetic mechanisms of AS.
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Kang KY, Hong YS, Park SH, Ju JH. Low levels of serum uric Acid increase the risk of low bone mineral density in young male patients with ankylosing spondylitis. J Rheumatol 2015; 42:968-74. [PMID: 25834199 DOI: 10.3899/jrheum.140850] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2015] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Uric acid (UA) has antiosteoporotic effects in postmenopausal women. This study investigated the association between serum UA levels and bone mineral density (BMD) in young male patients with ankylosing spondylitis (AS). METHODS One hundred fifty patients who fulfilled the modified New York criteria for the classification of AS were analyzed. All patients were male and under 50 years of age. BMD, serum UA concentrations, clinical variables, and radiographic progression were assessed. The associations between UA and BMD at the lumbar spine and hip were evaluated using multiple linear regression analysis. Multivariate logistic regression analyses were performed to identify risk factors associated with low BMD. RESULTS Mean serum UA concentration in the 150 patients with AS was 5.5 ± 1.3 mg/dl. BMD at the lumbar spine, but not at the total hip and femoral neck, increased with increasing serum UA tertiles (p = 0.033). The significant positive association between serum UA and BMD at the lumbar spine remained after adjustment for confounding factors (β = 0.185, p = 0.014, adjusted R(2) = 0.310). Multiple logistic regression analyses showed that lower UA concentrations (OR 4.02, 95% CI 1.34-12.3) and body mass index and increased erythrocyte sedimentation rate were independently associated with the risk of low BMD. CONCLUSION Lower serum UA levels are associated with lower BMD in young male patients with AS. UA may be a novel predictive marker or therapeutic target in patients with AS.
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Affiliation(s)
- Kwi Young Kang
- From the Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul; and the Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital, Incheon, South Korea.K.Y. Kang, MD, PhD; Y.S. Hong, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, and Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital; S.H. Park, MD, PhD; J.H. Ju, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea
| | - Yeon Sik Hong
- From the Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul; and the Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital, Incheon, South Korea.K.Y. Kang, MD, PhD; Y.S. Hong, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, and Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital; S.H. Park, MD, PhD; J.H. Ju, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea
| | - Sung-Hwan Park
- From the Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul; and the Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital, Incheon, South Korea.K.Y. Kang, MD, PhD; Y.S. Hong, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, and Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital; S.H. Park, MD, PhD; J.H. Ju, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea
| | - Ji Hyeon Ju
- From the Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, Seoul; and the Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital, Incheon, South Korea.K.Y. Kang, MD, PhD; Y.S. Hong, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea, and Division of Rheumatology, Department of Internal Medicine, College of Medicine, Incheon Saint Mary's Hospital; S.H. Park, MD, PhD; J.H. Ju, MD, PhD, Division of Rheumatology, Department of Internal Medicine, College of Medicine, The Catholic University of Korea.
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Yildirim K, Uzkeser H, Uyanik A, Karatay S, Kiziltunc A. Trace element levels in patients with familial mediterranean Fever. Eurasian J Med 2015; 43:79-82. [PMID: 25610168 DOI: 10.5152/eajm.2011.18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2011] [Accepted: 06/21/2011] [Indexed: 01/07/2023] Open
Abstract
OBJECTIVE Although the genetic etiology of familial Mediterranean fever (FMF) is known, limited information is available regarding the regulation of inflammation during attack-free periods. The aim of this study was to determine the alterations in serum copper (Cu), zinc (Zn) and selenium (Se) levels that may be associated with inflammation during attack-free periods in FMF patients. MATERIALS AND METHODS This study included 33 patients with FMF and 30 healthy volunteers. Erythrocyte sedimentation rate (ESR), the serum C-reactive protein (CRP) level and serum levels of Cu, Zn and Se in FMF patients and healthy volunteers were assessed by the atomic absorption spectrophotometry method. RESULTS ESR and serum CRP levels and serum Cu and Zn levels were similar between patients with FMF during an attack-free period and healthy controls (p>0.05). Serum Se levels in the patient group were significantly higher than in the control group (p<0.05). CONCLUSION Our study shows that levels of trace elements in serum are variable in patients with FMF during attack-free periods. Serum Se concentrations may at least in part contribute to the subclinical inflammation in FMF patients during attack-free periods. However, further studies are necessary to confirm this result.
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Affiliation(s)
- Kadir Yildirim
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Hulya Uzkeser
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Abdullah Uyanik
- Department of Nephrology, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Saliha Karatay
- Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Ataturk University, Erzurum, Turkey
| | - Ahmet Kiziltunc
- Department of Biochemistry, Faculty of Medicine, Ataturk University, Erzurum, Turkey
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Yenin JZ, Serarslan G, Yönden Z, Ulutaş KT. Investigation of oxidative stress in patients with alopecia areata and its relationship with disease severity, duration, recurrence and pattern. Clin Exp Dermatol 2014; 40:617-21. [PMID: 25524272 DOI: 10.1111/ced.12556] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/10/2014] [Indexed: 01/01/2023]
Abstract
BACKGROUND Alopecia areata (AA) is an inflammatory autoimmune disease that causes hair loss on the scalp or trunk without scarring. Although the precise aetiopathogenesis of alopecia areata remains unknown, oxidative stress is thought to play a role. AIM To investigate the relationship between severity and the role of oxidative stress in AA, by measuring plasma oxidant levels and antioxidant enzyme activities in erythrocytes. METHODS In total, 62 patients with AA (24 males and 38 females), and 62 sex- and age-matched healthy controls (HCs) were enrolled in the study. We investigated the levels of plasma malondialdehyde (MDA) and the activities of erythrocyte catalase (CAT), superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px). The relationship between oxidative stress and AA was also investigated with regard to disease pattern, severity, duration and recurrence. RESULTS The mean erythrocyte GSH-Px and SOD activities were significantly reduced (P < 0.001 and P < 0.001 respectively) compared with the control group. Plasma MDA levels were increased but statistically insignificant (P = 0.08) in patients with AA compared with controls. No significant difference between erythrocyte CAT activities was observed between patients and controls (P = 0.2). In addition, we observed no statistically significant difference in patient plasma MDA levels or erythrocyte CAT, GSH-Px or SOD activities with regard to AA severity, duration, recurrence or pattern (P > 0.05). CONCLUSIONS Patients with AA displayed reduced erythrocyte SOD and GSH-Px activities and enhanced plasma MDA levels. These findings support the possible role of oxidative stress in the pathogenesis of AA.
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Affiliation(s)
- J Z Yenin
- Department of Dermatology, Faculty of Medicine, Mustafa Kemal University, Hatay, Turkey
| | - G Serarslan
- Department of Dermatology, Faculty of Medicine, Mustafa Kemal University, Hatay, Turkey
| | - Z Yönden
- Department of Biochemistry, Faculty of Medicine, Mustafa Kemal University, Hatay, Turkey
| | - K T Ulutaş
- Department of Biochemistry, Faculty of Medicine, Mustafa Kemal University, Hatay, Turkey
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Inanır A, Sogut E, Ayan M, Inanır S. Evaluation of Pain Intensity and Oxidative Stress
Levels in Patients with Inflammatory and
Non-Inflammatory Back Pain. ELECTRONIC JOURNAL OF GENERAL MEDICINE 2013. [DOI: 10.29333/ejgm/82205] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Olama SM, Elarman MM. Evaluation of paraoxonase and arylesterase activities in Egyptian patients with ankylosing spondylitis. Rheumatol Int 2012; 33:1487-94. [DOI: 10.1007/s00296-012-2591-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2012] [Accepted: 12/05/2012] [Indexed: 11/25/2022]
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Nazıroğlu M, Akkuş S, Celik H. Levels of lipid peroxidation and antioxidant vitamins in plasma and erythrocytes of patients with ankylosing spondylitis. Clin Biochem 2011; 44:1412-5. [PMID: 21945022 DOI: 10.1016/j.clinbiochem.2011.09.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2011] [Revised: 08/25/2011] [Accepted: 09/03/2011] [Indexed: 11/29/2022]
Abstract
OBJECTIVES The aim of this study was to investigate plasma and erythrocytes antioxidant vitamins and lipid peroxidation (LP) levels in patients with ankylosing spondylitis (AS) and controls. METHODS The study was performed on the blood of 13 AS patients and 13 controls. Plasma and erythrocyte samples were obtained from blood of the patients and controls. RESULTS Erythrocyte sedimentation ratio, C-reactive protein level, Bath AS disease activity index and bath AS functional index were higher in patients with AS than in controls. Vitamins A, C, E and β-carotene concentrations in plasma, reduced glutathione (GSH) and glutathione peroxidase values in erythrocyte were lower in patients with AS than in controls. LP concentrations were higher in the plasma and erythrocyte of the patients than in controls. CONCLUSION These results provide some evidence for a potential role of increased lipid peroxidation and decreased antioxidant vitamins in ankylosing spondylitis.
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Affiliation(s)
- Mustafa Nazıroğlu
- Department of Biophysics, Medical Faculty, Suleyman Demirel University, Isparta, Turkey.
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Sakarya ST, Akyol Y, Bedir A, Canturk F. The relationship between serum antioxidant vitamins, magnesium levels, and clinical parameters in patients with primary fibromyalgia syndrome. Clin Rheumatol 2011; 30:1039-43. [PMID: 21347604 PMCID: PMC3145090 DOI: 10.1007/s10067-011-1697-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2010] [Revised: 12/27/2010] [Accepted: 01/17/2011] [Indexed: 11/25/2022]
Abstract
We proposed to assess serum antioxidant vitamins and magnesium (Mg) levels in patients with fibromyalgia (FM) in comparison to healthy controls. Additionally, the association between the serum antioxidant vitamins, magnesium levels, and clinical parameters in FM patients was also investigated. Forty female patients, aged between 30 and 50 years, were diagnosed with FM according to ACR-1990 criteria, and 40 healthy controls were included in the present study. Socio-demographic characteristics of participants, accompanying symptoms, and number of tender points (TP) of the patients were recorded. The intensity of pain was measured using the visual analogue scale (VAS). The functional status and depression levels were evaluated with Fibromyalgia Impact Questionnaire (FIQ) and Beck Depression Inventory (BDI), respectively. Serum vitamins A, C, and E and Mg levels were measured. There were no significant differences in the levels of vitamins A, C, and E and Mg between control subjects and patients with fibromyalgia (p > 0.05). In addition, no statistically significant correlations were found between mean levels of serum vitamins A, C, and E, and Mg and number of TP, scores of VAS, FIQ, and BDI in patients with FM (p > 0.05). According to the results of this study, it was asserted that other complex mechanism may play an important role in the pathophysiology of FM without plasma antioxidant vitamins and Mg levels.
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Affiliation(s)
- Sukran Tastan Sakarya
- Department of Physical Medicine and Rehabilitation, Medical Faculty, Ondokuz Mayis University, Samsun, Turkey
| | - Yesim Akyol
- Department of Physical Medicine and Rehabilitation, Medical Faculty, Ondokuz Mayis University, Samsun, Turkey
| | - Abdulkerim Bedir
- Department of Biochemistry, Medical Faculty, Ondokuz Mayis University, Samsun, Turkey
| | - Ferhan Canturk
- Department of Physical Medicine and Rehabilitation, Medical Faculty, Ondokuz Mayis University, Samsun, Turkey
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Automated analysis of the serum antioxidative activities against five different reactive oxygen species by sequential injection system with a chemiluminescence detector. Clin Chim Acta 2010; 411:1111-5. [DOI: 10.1016/j.cca.2010.04.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2010] [Revised: 03/23/2010] [Accepted: 04/07/2010] [Indexed: 11/22/2022]
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Iqbal R, Mughal MS, Arshad N, Arshad M. Pathophysiology and antioxidant status of patients with fibromyalgia. Rheumatol Int 2010; 31:149-52. [DOI: 10.1007/s00296-010-1470-x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Accepted: 03/27/2010] [Indexed: 12/01/2022]
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Stanek A, Cieślar G, Romuk E, Kasperczyk S, Sieroń-Stołtny K, Birkner E, Sieroń A. Decrease in antioxidant status of plasma and erythrocytes from patients with ankylosing spondylitis. Clin Biochem 2010; 43:566-70. [DOI: 10.1016/j.clinbiochem.2009.12.019] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2009] [Revised: 12/12/2009] [Accepted: 12/14/2009] [Indexed: 02/04/2023]
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Erdem FH, Karatay S, Yildirim K, Kiziltunc A. Evaluation of serum paraoxonase and arylesterase activities in ankylosing spondylitis patients. Clinics (Sao Paulo) 2010; 65:175-9. [PMID: 20186301 PMCID: PMC2827704 DOI: 10.1590/s1807-59322010000200009] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2009] [Accepted: 11/24/2009] [Indexed: 12/20/2022] Open
Abstract
OBJECTIVES The aim of this study was to investigate the activities of serum paraoxonase and arylesterase in patients with ankylosing spondylitis with respect to those of healthy controls, to assess whether these enzyme levels are related to disease activity and functional capacity. METHODS The study included 32 patients with ankylosing spondylitis whose diagnoses were made according to the modified New York criteria as well as 25 healthy controls matched for age and sex. The Bath Ankylosing Spondylitis Disease Activity Index and the Bath Ankylosing Spondylitis Functional Index were applied to the ankylosing spondylitis patients. As laboratory parameters, the erythrocyte sedimentation rate and serum C-reactive protein level were measured in patients and control subjects. Paraoxonase and arylesterase enzyme activities were measured using appropriate methods. RESULTS No statistically significant differences (p>0.05) were found between the ankylosing spondylitis patients and controls in terms of serum paraoxonase or arylesterase levels. Furthermore, there was no correlation between clinical and laboratory parameters in patients with ankylosing spondylitis. CONCLUSION Serum paraoxonase and arylesterase levels in ankylosing spondylitis patients may not differ from those of healthy controls, and there is no significant correlation between antioxidant parameters and the Bath Ankylosing Spondylitis Disease Activity Index or Bath Ankylosing Spondylitis Functional Index scores in ankylosing spondylitis patients. Further research is needed to provide deeper understanding of this disease.
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Feijóo M, Túnez I, Ruiz A, Tasset I, Muñoz E, Collantes E. Oxidative stress biomarkers as indicator of chronic inflammatory joint diseases stage. ACTA ACUST UNITED AC 2010. [DOI: 10.1016/s2173-5743(10)70020-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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Karkucak M, Capkin E, Alver A, Akyuz A, Kiris A, Ak E, Topbas M, Tosun M. The effect of anti-TNF agent on oxidation status in patients with ankylosing spondylitis. Clin Rheumatol 2009; 29:303-7. [DOI: 10.1007/s10067-009-1325-6] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2009] [Revised: 10/13/2009] [Accepted: 11/15/2009] [Indexed: 10/20/2022]
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Wauquier F, Leotoing L, Coxam V, Guicheux J, Wittrant Y. Oxidative stress in bone remodelling and disease. Trends Mol Med 2009; 15:468-77. [PMID: 19811952 DOI: 10.1016/j.molmed.2009.08.004] [Citation(s) in RCA: 328] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2009] [Revised: 07/25/2009] [Accepted: 08/05/2009] [Indexed: 01/18/2023]
Abstract
Oxidative stress is characterised by an increased level of reactive oxygen species (ROS) that disrupts the intracellular reduction-oxidation (redox) balance. Although initially shown to be involved in aging, physiological roles for ROS in regulating cell functions and mediating intracellular signals have emerged. In bone tissues, recent studies have demonstrated that ROS generation is a key modulator of bone cell function and that oxidative status influences the pathophysiology of mineralised tissues. Here, we review the crucial role of oxidative stress in bone pathophysiology, and discuss the possibility that ROS production might be a relevant therapeutic target under certain conditions. Further studies will be needed to investigate whether manipulation of the redox balance in bone cells represents a useful approach in the design of future therapies for bone diseases.
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Affiliation(s)
- Fabien Wauquier
- Inra, UMR 1019 Nutrition Humaine, F-63122 Saint Genès Champanelle, France
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Evaluation of inflammation and oxidative stress in ankylosing spondylitis: a role for macrophage migration inhibitory factor. Mod Rheumatol 2009; 20:34-9. [PMID: 19787418 DOI: 10.1007/s10165-009-0230-9] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2009] [Accepted: 08/27/2009] [Indexed: 10/20/2022]
Abstract
Ankylosing spondylitis (AS) is a chronic inflammatory disease mainly affecting the spine and sacroiliac joints. Mediators such as macrophage migration inhibitory factor (MIF) and interleukin-10 (IL-10) are thought to be involved in several inflammatory conditions, including AS. Proinflammatory cytokines regulate the production of oxidative stress markers, such as nitric oxide (NO) and malondialdehyde (MDA). Although oxidative stress and lipid peroxidation have been reported in AS, the association of AS with commonly known oxidative stress markers and cytokines remains uncertain. We have therefore studied whether serum MIF levels are elevated in patients with AS and whether the levels correlate with oxidative stress markers and disease activity parameters. Twenty-five AS patients and 18 healthy controls participated in this study; subjects with hypertension, diabetes, hyperlipidemia, and obesity were excluded. The levels of acute phase reactants, serum levels of glucose, lipids, MIF, IL-10, NO and MDA were studied. Spinal mobility was assessed by the Bath Ankylosing Spondylitis Metrology Index (BASMI). Patients were also assessed using with the Bath Ankylosing Spondylitis Functional Index and the Bath Ankylosing Spondylitis Disease Activity Index. Age and sex distribution were found to be comparable between AS patients and controls (p > 0.05). Acute phase reactants and MIF levels were significantly higher (p < 0.05) and IL-10 levels were significantly lower (<0.001) in the AS patients than in controls. There was a significant correlation between BASMI and MIF levels in AS patients (r = 0.714, p < 0.001). Based on these results, MIF may be involved in the pathogenesis of the chronic inflammation in AS and, consequently, targeting MIF may be beneficial in preventing complications or in initiating early treatment of the disease.
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Feijóo M, Túnez I, Ruiz A, Tasset I, Muñoz E, Collantes E. [Oxidative stress biomarkers as indicator of chronic inflammatory joint diseases stage]. ACTA ACUST UNITED AC 2009; 6:91-4. [PMID: 21794688 DOI: 10.1016/j.reuma.2008.12.016] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2008] [Revised: 11/25/2008] [Accepted: 12/12/2008] [Indexed: 10/20/2022]
Abstract
OBJECTIVE To evaluate the participation of oxidative stress (OS) on chronic inflammatory joint disease (CIJD), as well as its possible use as a diagnostic biomarker. PATIENTS AND METHODS The study population comprised 29 patients with CIJD: 18 with rheumatoid arthritis (RA: 13 active/5 inactive); 11 with ankylosing spondylitis (AS: 7 active/4 inactive) and 13 healthy subjects. Activity of the disease was assessed by: RA patients, Disease Activity Score (DAS 28) and AS patients by means of Bath Ankylosing Spondylitis Disease Activity Index (BASDAI). Oxidative stress biomarkers were determined in plasma using spectrophotometrical techniques. The statistical analysis was carried out using the SSPS statistical package. RESULTS Active CIJD showed a high oxidative stress characterized by increases in oxidative damage markers and a reduction in antioxidative systems, together with a higher myeloperoxidase (MPO) concentration. Inactive CIJD only showed changes in oxidized glutathione (GSSG) and reduced glutathione (GSH)/GSSG ratio levels, without changes in oxidative damage parameters or in antioxidative systems. CONCLUSIONS Our data revealed that: i) CIJD presents with a high oxidative stress; ii) inactive CIJD shows a production of reactive species without triggering oxidative damage and maintaining red-ox homeostasis, and iii) the combination of oxidative stress biomarkers may be used as markers of active-inactive stages of CIJD.
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Affiliation(s)
- Montserrat Feijóo
- Departamento de Bioquímica y Biología Molecular, Facultad de Medicina, Universidad de Córdoba, Córdoba, España
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Kumar A, Falodia SK, Shankar S, Grover R, Marwaha V, Aneja R, Srivastava K, Das N. Assessment of serum nitrite as biomarker of disease activity in ankylosing spondylitis. INDIAN JOURNAL OF RHEUMATOLOGY 2009. [DOI: 10.1016/s0973-3698(10)60173-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023] Open
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Wanchu A. Nitric oxide in ankylosing spondylitis: a new disease biomarker? INDIAN JOURNAL OF RHEUMATOLOGY 2009. [DOI: 10.1016/s0973-3698(10)60172-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Serum selenium and plasma malondialdehyde levels and antioxidant enzyme activities in patients with obsessive-compulsive disorder. Prog Neuropsychopharmacol Biol Psychiatry 2009; 33:62-5. [PMID: 18957313 DOI: 10.1016/j.pnpbp.2008.10.004] [Citation(s) in RCA: 68] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Revised: 09/22/2008] [Accepted: 10/09/2008] [Indexed: 11/20/2022]
Abstract
There is mounting evidence indicating that reactive free radical species are involved in initiation and development of many different forms of human pathologies including psychiatric disorders. In the present study, we aimed to determine whether serum selenium (Se), antioxidant enzyme (glutathione peroxidase, GSH-Px, superoxide dismutase, SOD, and catalase, CAT) activities, and plasma malondialdehyde (MDA) levels, a product of lipid peroxidation, were associated with obsessive-compulsive disorder (OCD). The participants were 28 patients with OCD that were drug-free at least for a month and a control group (n=28) of healthy subjects, matched with respect to age and sex. In both groups, the levels of the erythrocyte MDA, GSH-Px, SOD, Se, and the CAT were measured. The levels of MDA and SOD were statistically significantly higher (p<0.01, p<0.05 respectively) in patients than controls. The activities of CAT, GSH-Px, and serum Se levels were statistically significantly lower (p<0.0001, p<0.001, and p<0.001 respectively) in patients than controls. There was a positive correlation in patients between plasma GSH-Px activity and Se concentration (r=52, p=0.001). However, in patients with OCD, CAT and SOD activities were significantly and negatively correlated with MDA levels (r=-0.45, p=0.017 for CAT and r=-0.54, p=0.020 for SOD). The study shows the presence of a significant relationship of OCD and oxidative stress, and consequently, an involvement of free radicals and of the antioxidant defence.
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Antioxidants and smoking in autoimmune disease — Opposing sides of the seesaw? Autoimmun Rev 2008; 8:165-9. [DOI: 10.1016/j.autrev.2008.06.011] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2007] [Accepted: 04/02/2008] [Indexed: 12/19/2022]
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Vajdovich P. Free radicals and antioxidants in inflammatory processes and ischemia-reperfusion injury. Vet Clin North Am Small Anim Pract 2008; 38:31-123, v. [PMID: 18249244 DOI: 10.1016/j.cvsm.2007.11.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
This article discusses the current understanding of the role of free radicals and antioxidants in inflammatory processes and in ischemia reperfusion injury. It begins by describing the manifestations of acute inflammation and outlining the cellular events that occur during inflammation. It then describes the biochemical mediators of inflammation with special attention to nitric oxide. It details the process of hypoxia reperfusion injury, the enzymes involved, its treatment, and studies involving specific hypoxia reperfusion injuries in various animal species.
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Affiliation(s)
- Peter Vajdovich
- Department of Internal Medicine and Clinics, Szent István University, H-1078, István u. 2., P.O. Box 1400, Budapest, Hungary.
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Túnez I, Feijóo M, Huerta G, Montilla P, Muñoz E, Ruíz A, Collantes E. The effect of infliximab on oxidative stress in chronic inflammatory joint disease. Curr Med Res Opin 2007; 23:1259-67. [PMID: 17559725 DOI: 10.1185/030079907x187955] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE To evaluate infliximab effect on oxidative stress in active chronic inflammatory joint disease. PATIENTS AND METHODS The study population comprised 12 patients: five with ankylosing spondylitis, five with rheumatoid arthritis and two with psoriatic arthritis. At the time of the study all patients were divided into two groups: (i) seven active patients and (ii) five inactive patients according to the accepted criteria that define activity of disease for each of the diseases. C-reactive protein and erythrocyte sedimentation rate were measured. Patient's Global Assessment of the Disease (PGA), Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) for ankylosing spondylitis patients and Disease Activity Score (DAS 28) for rheumatoid arthritis patients) were used for assessment of disease activity. Patients with active chronic inflammatory joint disease were introduced into the infliximab therapy programme. RESULTS Infliximab effects were evaluated after 6 weeks of treatment as changes in the quantity of lipid peroxidation products, protein carbonyl groups, reduced glutathione content, glutathione peroxidase, catalase and superoxide dismutase. CONCLUSIONS Our results revealed that: (i) infliximab has antioxidative properties, (ii) chronic inflammatory joint patients show high levels of oxidative injury, and (iii) oxidative stress is more intense in active disease group than in the inactive disease group.
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Affiliation(s)
- I Túnez
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Cordoba, Cordoba, Spain.
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Karakoc M, Altindag O, Keles H, Soran N, Selek S. Serum oxidative-antioxidative status in patients with ankylosing spondilitis. Rheumatol Int 2007; 27:1131-4. [PMID: 17443328 DOI: 10.1007/s00296-007-0352-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2006] [Accepted: 03/25/2007] [Indexed: 10/23/2022]
Abstract
Ankylosing spondylitis (AS) is an inflammatory disorder with unknown etiology that mainly affects the axial skeleton as well as the peripheral joints and extra-articular structures. The aim of this study was to evaluate the total antioxidant status (TAS), total oxidative status (TOS) and oxidative stress index (OSI) in patients with ankylosing spondylitis (AS). Fifty AS patients with a mean Bath AS Activity Index (BASDAI) 4.6 (range 4-9.3) and 26 healthy controls were included in the study. Plasma TAS, TOS levels were determined by using novel automated methods. The OSI was calculated. Plasma TOS level and OSI values were significantly higher, and plasma TAS level was lower in patients than in healthy controls (15.8 +/- 4. 9 vs. 4.3 +/- 2.8, 12.8 +/- 3. 9 vs. 9.6 +/- 5.5, 1.2 +/- 0.03 vs. 1.8 +/- 0.2, respectively, P < 0.001 for all). There was no significant correlation between oxidant/antioxidant parameters and disease activity. The results of this study indicated that increased oxidant and decreased antioxidant capacity may be associated with the pathogenesis of AS.
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Affiliation(s)
- Mehmet Karakoc
- Department of Physical Medicine and Rehabilitation, Ozel Yasam Hospital, Aksaray, Turkey
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Sirmatel O, Sert C, Tümer C, Oztürk A, Bilgin M, Ziylan Z. Change of nitric oxide concentration in men exposed to a 1.5 T constant magnetic field. Bioelectromagnetics 2007; 28:152-4. [PMID: 17080452 DOI: 10.1002/bem.20281] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This study was carried out in order to determine nitric oxide (NO) production immediately after a 1.5 T magnetic field 30 min exposure to an experimental group, comprising 33 healthy young male volunteers aged 18-26 years old. In addition, a control group, comprising 30 healthy male volunteers aged 19-26 years old, was not exposed to the magnetic field and their NO levels were also measured. The experimental group was exposed using a magnetic resonance imaging (MRI) apparatus. Nitrite and nitrate concentrations were determined by UV-VIS spectrophotometer. The results, related to the parameters measured in this study, were analyzed by one-way ANOVA. Total nitrite concentration in post-magnetic field samples was found to be higher than in pre-magnetic field samples (P < .05).
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Affiliation(s)
- Ocal Sirmatel
- Radiology Department, Faculty of Medicine, Harran University, Sanliurfa, Turkey.
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Karaca S, Kulac M, Uz E, Mollaoglu H, Yilmaz HR. Erythrocyte Oxidant/Antioxidant Status in Essential Hyperhidrosis. Mol Cell Biochem 2006; 290:131-5. [PMID: 16718367 DOI: 10.1007/s11010-006-9177-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2006] [Accepted: 03/02/2006] [Indexed: 10/24/2022]
Abstract
Essential hyperhidrosis is a disorder of excessive, bilateral, and relatively symmetric sweating occurring in the axillae, palms, soles, or craniofacial region without obvious etiology. Nitric oxide may play a physiological part in the production and/or excretion of sweat in skin eccrine glands. Tempol, a SOD mimetic, increases the half-life of NO and results in vasodilatation, hypotension, and reflex activation of sympathetic nervous system. Reactive oxygen species (ROS) may directly activate both central and peripheral sympathetic nervous system activity. We assessed the levels of malondialdehyde (MDA), the activities of superoxide dismutase (SOD), glutathione peroxidase (GSH-Px), and catalase (CAT) of red blood cells in patients with essential hyperhidrosis (n = 31) compared to age-and sex-matched healthy controls (n = 28). Erythrocyte activities of SOD and level of MDA were detected significantly higher (p = 0.020, p = 0.004 and respectively) and activities of CAT and GSH-Px were significantly lower (p = 0.0001, p = 0.0001 respectively) in patients than controls. Our results support the hypothesis that oxidative damage resulting from increased ROS production along with insufficient capacity of antioxidant mechanisms may be involved in pathogenesis of EH.
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Affiliation(s)
- Semsettin Karaca
- Department of Dermatology, School of Medicine, Kocatepe University, Afyonkarahisar, Turkey.
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Ozgocmen S, Ozyurt H, Sogut S, Akyol O. Current concepts in the pathophysiology of fibromyalgia: the potential role of oxidative stress and nitric oxide. Rheumatol Int 2005; 26:585-97. [PMID: 16328420 DOI: 10.1007/s00296-005-0078-z] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2005] [Accepted: 09/30/2005] [Indexed: 01/24/2023]
Abstract
Fibromyalgia (FM) is a common chronic pain syndrome with an unknown etiology. Recent years added new information to our understanding of FM pathophysiology. Researches on genetics, biogenic amines, neurotransmitters, hypothalamic-pituitary-adrenal axis hormones, oxidative stress, and mechanisms of pain modulation, central sensitization, and autonomic functions in FM revealed various abnormalities indicating that multiple factors and mechanisms are involved in the pathogenesis of FM. Oxidative stress and nitric oxide may play an important role in FM pathophysiology, however it is still not clear whether oxidative stress abnormalities documented in FM are the cause or the effect. This should encourage further researches evaluating the potential role of oxidative stress and nitric oxide in the pathophysiology of FM and the efficacy of antioxidant treatments (omega-3 and -6 fatty acids, vitamins and others) in double blind and placebo controlled trials. These future researches will enhance our understanding of the complex pathophysiology of this disorder.
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Affiliation(s)
- Salih Ozgocmen
- Division of Rheumatology, Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Firat University, 23119 Elazig, Turkey.
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Ozgocmen S, Ozyurt H, Sogut S, Akyol O, Ardicoglu O, Yildizhan H. Antioxidant status, lipid peroxidation and nitric oxide in fibromyalgia: etiologic and therapeutic concerns. Rheumatol Int 2005; 26:598-603. [PMID: 16283318 DOI: 10.1007/s00296-005-0079-y] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2005] [Accepted: 09/30/2005] [Indexed: 10/25/2022]
Abstract
We proposed to assess the oxidant/antioxidant status, lipid peroxidation and nitric oxide (NO) in untreated fibromyalgia (FM) patients and controls. The effect of amitriptyline (A, 20 mg daily) and sertraline (S, 100 mg daily) treatment on patients' superoxide dismutase (SOD), xanthine oxidase (XO), adenosine deaminase (ADA) enzyme activities, thiobarbituric acid reactive substances (TBARS) and NO levels was investigated. Thirty female patients with primary FM and age-matched 16 healthy female controls were included. Patients received an 8-week course of treatment with either A or S. FM patients had higher serum levels of TBARS (particularly malondialdehyde) and lower levels of nitrite compared to controls whereas enzyme activities were similar. A and S significantly improved Fibromyalgia Impact Questionnaire (FIQ) pain scores, Hamilton anxiety and depression rating scales. But neither A nor S had significant effects on measured oxidative stress parameters, except SOD activity that was significantly reduced after S treatment. Total myalgic scores negatively correlated with XO activity, and depression scales negatively correlated with levels of TBARS. Our results indicate that patients with FM are under oxidative stress. These findings represent a rationale for further research assessing the effect of free radical scavengers or antioxidant agents like vitamins and omega-3 fatty acids on peripheral and central mechanisms in FM.
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Affiliation(s)
- Salih Ozgocmen
- Division of Rheumatology, Department of Physical Medicine and Rehabilitation, Faculty of Medicine, Firat University, 23119 Elazig, Turkey.
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