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Sun J, Liu X, Du J, An J, Li Y, Hu Y, Cheng S, Xiong Y, Yu Y, Tian H, Mei X, Wu C. Manganese-doped albumin-gelatin composite nanogel loaded with berberine applied to the treatment of gouty arthritis in rats via a SPARC-dependent mechanism. Int J Biol Macromol 2023; 253:126999. [PMID: 37730000 DOI: 10.1016/j.ijbiomac.2023.126999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 09/10/2023] [Accepted: 09/17/2023] [Indexed: 09/22/2023]
Abstract
In this study, manganese-doped albumin-gelatin composite nanogels (MAGN) were prepared and used to load berberine (Ber) for the treatment of gouty arthritis (GA). The nanodrug delivery system (Ber-MAGN) can target inflammatory joints due to the intrinsic high affinity of albumin for SPARC, which is overexpressed at the inflammatory site of GA. Characterization of the pharmaceutical properties in vitro showed that Ber-MAGN had good dispersion, and the particle size was 121 ± 10.7 nm. The sustained release effect significantly improved the bioavailability of berberine. In vitro and in vivo experimental results showed that Ber-MAGN has better therapeutic effects in relieving oxidative stress and suppressing inflammation. Therefore, Ber-MAGN, as a potential pharmaceutical preparation for GA, provides a new reference for the clinical treatment plan of GA.
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Affiliation(s)
- Junpeng Sun
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Xiaobang Liu
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Jiaqun Du
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Jinyu An
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Yingqiao Li
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Yu Hu
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China
| | - Shuai Cheng
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Ying Xiong
- Normandie Université, ENSICAEN, UNICAEN, CNRS, Laboratoire Catalyse et Spectrochimie (LCS), 14050 Caen, France.
| | - Yanan Yu
- Medical College of Jinzhou Medical University, Jinzhou Medical University, 121010, China
| | - He Tian
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; School of Basic Medicine, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Xifan Mei
- Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
| | - Chao Wu
- Pharmacy School, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Liaoning Provincial Collaborative Innovation Center for Medical Testing and Drug Research, Jinzhou Medical University, Jinzhou, Liaoning 121001, China; Key Laboratory of Medical Tissue Engineering of Liaoning Province, Jinzhou Medical University, Jinzhou, Liaoning 121001, China.
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Yen YF, Lai YJ, Hsu LF, Chen LJ, Ku PW, Inan-Eroglu E. Association between vegetarian diet and gouty arthritis: A retrospective cohort study. Nutr Metab Cardiovasc Dis 2023; 33:1923-1931. [PMID: 37482484 DOI: 10.1016/j.numecd.2023.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Revised: 04/03/2023] [Accepted: 04/11/2023] [Indexed: 07/25/2023]
Abstract
BACKGROUND AND AIMS A vegetarian diet is rich in vegetables, fruits, and soy products. Although vegetarian diet is beneficial for improving the health outcomes such as body mass index, metabolic syndrome, cardiovascular disease, and mortality rate, the association between a vegetarian diet and gout incidence is not well known. METHODS AND RESULTS We linked the MJ Health Survey Data and MJ Biodata 2000 with the National Health Insurance Research Database (NHIRD) and the National Registration of Death (2000-2018). Information on the diet was collected from the MJ Health Survey Data, and the incidence of gouty arthritis was confirmed using the NHIRD. The Kaplan-Meier survival curve and log-rank test were used to compare the differences between vegetarian and non-vegetarian participants. Cox regression models were used to estimate the risk of the incidence of gouty arthritis. Among 76,972 participants, 37,297 (48.46%) were men, 2488 (3.23%) were vegetarians and the mean age was 41.65 ± 14.13 years. The mean baseline uric acid level was 6.14 ± 1.65 mg/dL. A total of 16,897 participants developed gouty arthritis, including 16,447 (22.08%) non-vegetarians and 450 (18.9%) vegetarians over a mean follow-up of 19 years. Significant differences were observed in the Kaplan-Meier survival curves between vegetarians and non-vegetarians (log-rank p < 0.001). Vegetarians had a significantly decreased incidence of gouty arthritis compared with non-vegetarians (hazard ratio = 0.87, 95% confidence interval = 0.78-0.98, p = 0.02) after adjusting for potential confounders. CONCLUSION People with a vegetarian diet had a significantly decreased risk of developing gouty arthritis compared with non-vegetarians in Taiwan.
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Affiliation(s)
- Yung-Feng Yen
- Section of Infectious Diseases, Taipei City Hospital, Yangming Branch, Taipei, Taiwan; Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan; Institute of Public Health, National Yang Ming Chiao Tung University, Taipei, Taiwan; Department of Education and Research, Taipei City Hospital, Taiwan
| | - Yun-Ju Lai
- Department of Health Care Management, National Taipei University of Nursing and Health Sciences, Taipei, Taiwan; School of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan; Division of Endocrinology and Metabolism, Department of Internal Medicine, Puli Branch of Taichung Veterans General Hospital, Nantou, Taiwan; Department of Exercise Health Science, National Taiwan University of Sport, Taichung, Taiwan.
| | - Li-Fei Hsu
- College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Li-Jung Chen
- Department of Exercise Health Science, National Taiwan University of Sport, Taichung, Taiwan
| | - Po-Wen Ku
- Graduate Institute of Sports and Health Management, National Chung Hsing University, Taichung, Taiwan; Department of Kinesiology, National Tsing Hua University, Hsinchu, Taiwan
| | - Elif Inan-Eroglu
- Sydney School of Health Sciences, Faculty of Medicine and Health, Charles Perkins Centre, University of Sydney, Australia; Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Germany
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Cao Y, Zhong Q, Tang F, Yao X, Liu Z, Zhang X. Anethole ameliorates inflammation induced by monosodium urate in an acute gouty arthritis model via inhibiting TLRs/MyD88 pathway. Allergol Immunopathol (Madr) 2022; 50:107-114. [PMID: 36335453 DOI: 10.15586/aei.v50i6.682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Accepted: 06/09/2022] [Indexed: 06/16/2023]
Abstract
OBJECTIVE To assess the effects of anethole on monosodium urate (MSU)-induced inflammatory response, investigate its role in acute gouty arthritis (AGA), and verify its molecular mechanism. METHODS Hematoxylin and eosin staining assay and time-dependent detection of degree of ankle swelling were performed to assess the effects of anethole on joint injury in MSU-induced AGA mice. Enzyme-linked-immunosorbent serologic assay was performed to demonstrate the production levels of inflammatory factors (interleukin 1β [IL-1β], interleukin 6 [IL-6], interleukin 8 [IL-8], tumor necrosis factor α [TNF-α], and monocyte chemo-attractant protein-1 [MCP-1]) in MSU-induced AGA mice. Western blot assays were used to confirm the effects of anethole on oligomerization domain-like receptor family pyrin domain-containing 3 (NLRP3) inflammasome activity and the activation of toll-like receptors (TLRs)-myeloid differentiation factor 88 (MyD88) pathway in MSU-induced AGA mice. RESULTS We observed that a significant joint injury occurred in MSU-induced AGA mice. Anethole could alleviate the pathological injury of the synovium in MSU-induced AGA mice and suppressed ankle swelling. In addition, we observed that anethole could inhibit MSU-induced inflammatory response and inflammasome activation in MSU-induced AGA mice. Moreover, we discovered that anethole enabled to inhibit the activation of TLRs/MyD88 pathway in MSU-induced AGA mice. Our findings further confirmed that anethole contributed to the inhibitory effects on progression in MSU-induced AGA mice. CONCLUSION It confirmed that anethole ameliorated the MSU-induced inflammatory response in AGA mice in vivo via inhibiting TLRs-MyD88 pathway.
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Affiliation(s)
- Yuepeng Cao
- Department of Rheumatology and Immunology, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
| | - Qin Zhong
- Department of Rheumatology and Immunology, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
| | - Fang Tang
- Department of Rheumatology and Immunology, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
| | - Xueming Yao
- Department of Rheumatology and Immunology, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
| | - Zhengqi Liu
- Department of Rheumatology and Immunology, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China;
| | - Xiaodong Zhang
- Second Clinical School of Medicine, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou Province, China
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Udhaya LB, Ubrewe Rutera A, Ram Kumar K, Sangeetha N, Manisha P, Prince SE. Supplementation with β-carotene aids minimize inflammation in monosodium urate crystal- induced gouty arthritis in Wistar albino rats. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902020000118690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | - P Manisha
- School of Biosciences and Technology, India
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Astaxanthin intake alleviates gouty arthritis in patients and rats by modulating the levels of various inflammatory markers. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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A brief review on in vivo models for Gouty Arthritis. Metabol Open 2021; 11:100100. [PMID: 34189452 PMCID: PMC8219997 DOI: 10.1016/j.metop.2021.100100] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/29/2021] [Accepted: 06/11/2021] [Indexed: 01/21/2023] Open
Abstract
Gout is more common in men than in women, by a factor of 3.1–10.1. Gout prevalence and incidence have increased in recent decades, with prevalence reaching 11–13% and incidence reaching 0.4% in people over the age of 80. Age-related renal impairment, altered drug distribution, and increased prevalence of comorbidities have significant consequences for safe and effective gout pharmacotherapy. The Discovery of Fruitful in-vivo animal models needs the effective screening of drugs or formulations used in the treatment of gout. In vivo animal models of Gouty arthritis are extensively used to investigate pathogenic mechanisms governing inflammation-driven bone and cartilage damage. Four commonly utilized models include the Potassium oxonate induced hyperuricemic model, MSU crystals induced gouty arthritis animal model, Animal Model of Acute Gouty Arthritis with Hyperuricemia, and Diet-induced hyperuricemia. These offer unique advantages for correlating different aspects of gouty arthritis with human disease. In-vivo animal models served as testing beds for novel biological therapies, including cytokine blockers and small molecule inhibitors of intracellular signaling that have revolutionized gouty arthritis treatment. This review highlights a brief overview of in vivo experimental models for assessment of hypouricemic, anti-inflammatory, as well as renal protective effects of test compounds with some evaluation parameters in detail.
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Shi L, Yuan Z, Liu J, Cai R, Hasnat M, Yu H, Feng J, Wang Z, Zhao Q, Wu M, Huang X, Shen F, Yin L, Yu Y, Liang T. Modified Simiaowan prevents articular cartilage injury in experimental gouty arthritis by negative regulation of STAT3 pathway. JOURNAL OF ETHNOPHARMACOLOGY 2021; 270:113825. [PMID: 33460754 DOI: 10.1016/j.jep.2021.113825] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/08/2021] [Accepted: 01/11/2021] [Indexed: 06/12/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Modified Simiaowan (MSW) is a traditional Chinese medicine formula that is composed of six herbs. It has been widely used in the treatment of gouty arthritis. AIM OF THE STUDY This study was designed to investigate the effect of MSW on gouty arthritis and explore the possible mechanisms. MATERIAL AND METHODS The rat gouty arthritis model was established by intra-articular injection of Monosodium Urate (MSU) crystal, and then treated with MSW for 5 days. The perimeter of the knee joints was measured in a time-dependent manner and serum samples were collected for the detection of TNF-α, IL-1β, and IL-6 protein levels by ELISA. The protein expressions of MMP-3, TIMP-3, STAT3, and p-STAT3 in cartilage tissues and C28/I2 cells were detected by Western blot, and the levels of proteoglycan in primary chondrocytes and cartilage tissues were determined by toluidine blue staining. In addition, AG490 and IL-6 were used in vitro to explore the function of IL-6/STAT3 pathway in the protective effect of MSU. RESULTS MSW reduced the joint swelling rate in gouty arthritis model and inhibited MSU induced up-regulation of IL-1β, TNF-α, and IL-6 protein levels in serum and synovial fluid. IL-1β induced an increase in p-STAT3 and MMP-3 protein expression in C28/I2 cells, as well as a decrease in TIMP-3. MSW serum inhibited the protein expression changes induced by IL-1β in vitro. Furthermore, inhibition of STAT3 signaling negated the effect of MSW serum on p-STAT3, MMP-3, and TIMP-3 protein levels in C28/I2 cells. MSW also increased the content of proteoglycan significantly both in vivo and in vitro. CONCLUSION Our data indicated that MSW protected rats from MSU-induced experimental gouty arthritis and IL-1β/IL-6/STAT3 pathway played an essential role in the protective effect of MSU against GA.
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Affiliation(s)
- Le Shi
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Ziqiao Yuan
- China Pharmaceutical University, Nanjing, 210009, China.
| | - Jing Liu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Rui Cai
- Jiangsu Provincial Hospital of Traditional Chinese Medicine, Nanjing, 210029, China.
| | - Muhammad Hasnat
- Institute of Pharmaceutical Sciences, University of Veterinary and Animal Sciences, Outfall Road, Lahore, 54600, Pakistan
| | - Hui Yu
- Nanjing Xinbai Pharmaceutical Co., Ltd, Nanjing, 210023, China.
| | - Jing Feng
- Nanjing Xinbai Pharmaceutical Co., Ltd, Nanjing, 210023, China.
| | - Zhanglian Wang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Qianqian Zhao
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Min Wu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Xinxin Huang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Fei Shen
- Nanjing Xinbai Pharmaceutical Co., Ltd, Nanjing, 210023, China.
| | - Lian Yin
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Yun Yu
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
| | - Tao Liang
- School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, 210023, China.
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Kondratiuk VE, Tarasenko OM, Karmazina OM, Taranchuk VV. Impact of the Synbiotics and Urate-Lowering Therapy on Gut Microbiota and Cytokine Profile in Patients with Chronic Gouty Arthritis. J Med Life 2021; 13:490-498. [PMID: 33456597 PMCID: PMC7803318 DOI: 10.25122/jml-2020-0065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The main goal of our study is the impact evaluation of complex urate-lowering therapy with the synbiotic addition on fecal microbiota and cytokine profile in patients with primary gout. During our study, 130 men (mean age 55.5 ± 9.4 years) with gout (duration 7.7 ± 7.1 years) were examined. All patients were divided into two treatment groups. The main group (n = 68) was taking allopurinol at 300 mg per day dose and additionally a synbiotic. The comparison group (n = 62) received allopurinol monotherapy without synbiotic intake. The therapy duration was 3 months. Evaluation of therapy efficiency was marked by blood uric acid changes, cytokine levels, CRP and fecal microbiota condition. After treatment, stabilization of the gut microbiota parameters was observed, which was leading to normalization uricemia levels (40.3% vs. 21%, p <0.01) in the main group patients. Addition of synbiotic to allopurinol leads to a blood uric acid lowering (18.7% vs. 13.3%, p <0.01), CRP reduction (75% vs. 26.3%, p <0.01) as well as decrease of cytokines level: IL-1β, IL-6, IL-8, IL-10 and TNFα (all p <0.001). After a 3-month gout treatment, a group of patients who received complex therapy with synbiotic inclusion showed signs of disease remission characterized by inflammation activity reducing, fecal microbiota condition normalization and a more pronounced decrease in laboratory markers comparing to control group.
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Harris J, Deen N, Zamani S, Hasnat MA. Mitophagy and the release of inflammatory cytokines. Mitochondrion 2018; 41:2-8. [DOI: 10.1016/j.mito.2017.10.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/20/2017] [Accepted: 10/20/2017] [Indexed: 01/06/2023]
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Ragab G, Elshahaly M, Bardin T. Gout: An old disease in new perspective - A review. J Adv Res 2017; 8:495-511. [PMID: 28748116 PMCID: PMC5512152 DOI: 10.1016/j.jare.2017.04.008] [Citation(s) in RCA: 246] [Impact Index Per Article: 35.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/11/2017] [Accepted: 04/13/2017] [Indexed: 12/11/2022] Open
Abstract
Gout is a picturesque presentation of uric acid disturbance. It is the most well understood and described type of arthritis. Its epidemiology is studied. New insights into the pathophysiology of hyperuricemia and gouty arthritis; acute and chronic allow for an even better understanding of the disease. The role of genetic predisposition is becoming more evident. The clinical picture of gout is divided into asymptomatic hyperuricemia, acute gouty arthritis, intercritical period, and chronic tophaceous gout. Diagnosis is based on laboratory and radiological features. The gold standard of diagnosis is identification of characteristic MSU crystals in the synovial fluid using polarized light microscopy. Imaging modalities include conventional radiography, ultrasonography, conventional CT, Dual-Energy CT, Magnetic Resonance Imaging, nuclear scintigraphy, and positron emission tomography. There is remarkable progress in the application of ultrasonography and Dual-Energy CT which is bound to influence the diagnosis, staging, follow-up, and clinical research in the field. Management of gout includes management of flares, chronic gout and prevention of flares, as well as management of comorbidities. Newer drugs in the pharmacological armamentarium are proving successful and supplement older ones. Other important points in its management include patient education, diet and life style changes, as well as cessation of hyperuricemic drugs.
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Affiliation(s)
- Gaafar Ragab
- Rheumatology and Clinical Immunology Unit, Department of Internal Medicine, Faculty of Medicine, Cairo University, Egypt
| | - Mohsen Elshahaly
- Rheumatology, Physical Medicine and Rehabilitation, Faculty of Medicine, Suez Canal University, Egypt
| | - Thomas Bardin
- Rhumatologie, Lariboisière Hospital, and Université Paris Diderot Sorbonne Cité, Paris, France
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Harris J, Lang T, Thomas JP, Sukkar MB, Nabar NR, Kehrl JH. Autophagy and inflammasomes. Mol Immunol 2017; 86:10-15. [DOI: 10.1016/j.molimm.2017.02.013] [Citation(s) in RCA: 137] [Impact Index Per Article: 19.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 02/16/2017] [Accepted: 02/19/2017] [Indexed: 12/25/2022]
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Shiozawa A, Buysman EK, Korrer S. Serum uric acid levels and the risk of flares among gout patients in a US managed care setting. Curr Med Res Opin 2017; 33:117-124. [PMID: 27659103 DOI: 10.1080/03007995.2016.1239193] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Serum uric acid (sUA) levels are causally associated with the risk of gout flares. Our aim was to assess the magnitude of the association and time to first flare among patients in a managed care setting. RESEARCH DESIGN AND METHODS We conducted a retrospective cohort study using administrative claims data from a large US health plan. Patients were required to have evidence of gout based on medical and pharmacy claims between January 2009 and April 2012. The 12 months prior to the index gout claim were used to assess baseline sUA levels; risk of gout flares, stratified by baseline sUA levels, was examined for 2 years post-index. Risk of flare was modeled with Cox proportional hazards; time to first flare was assessed by Kaplan-Meier. RESULTS We identified 18,008 patients with gout and available baseline SUA levels (mg/dL). The hazard ratios for the risk of gout flares compared with sUA <5.0 were: 1.17 for sUA 5.0 to <6.0; 1.69 for sUA 6.0 to <7.0; 2.16 for sUA 7.0 to <8.0; 2.87 for sUA 8.0 to <9.0; and 3.85 for sUA ≥9.0 (all p < .001 except for sUA 5.0 to <6.0 cohort). The time to first flare was shorter for cohorts with higher baseline sUA levels. CONCLUSION These findings confirm that higher sUA levels are associated with an increased risk of gout flares in a dose-response manner over 2 years. This data supports the need to treat to sUA target levels as recommended by recent gout care guidelines. Claims-based algorithms were used to identify gout flares; although this would not be expected to influence estimates of risk by sUA level, there may have been over- or under-estimation of the incidence of flares.
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Affiliation(s)
- Aki Shiozawa
- a Takeda Pharmaceuticals International Inc. , Deerfield , IL , USA
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Zhou Q, Liu S, Yua D, Zhang N. Therapeutic Effect of Total Saponins from Dioscorea nipponica Makino on Gouty Arthritis Based on the NF-κB Signal Pathway: An In vitro Study. Pharmacogn Mag 2016; 12:235-40. [PMID: 27601855 PMCID: PMC4989800 DOI: 10.4103/0973-1296.186344] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective: Dioscorea nipponica Makino is one of the most common used traditional Chinese drugs which are used to treat gouty arthritis (GA). Nuclear factor-κB (NF-κB) pathway plays an important role during this process. In the present study, we investigated the effects of total saponins from D. nipponica Makino (TDN) on NF-κB pathway in interleukin-1β (IL-1β) induced fibroblast-like synoviocytes (FLS). Materials and Methods: FLS were divided into three groups: Normal group, model group, which was given 10 μg/L IL-1β to induce the proliferation, and TDN group (10 μg/L IL-1β +100 μg/L TDN). 1 h, 24 h, 48 h, and 72 h after treating, immune fluorescence method was used to detect the cell location of NF-κB p65. Electrophoretic mobility shift assay was used to detect the activation of NF-κB p65. Western blot method was used to detect the protein expressions of NF-κB p65, IκBα, and p-IκBα. Results: TDN could inhibit the activation and transfer of NF-κB p65. As time went on, the expression of NF-κB p65 in the cytoplasm was decreased while it was increased in the nucleus. The expression of p-IκBα was increased, whereas the expression of IκBα was not changed. TDN could regulate these abnormal expressions. Conclusion: TDN may treat GA by regulating NF-κB signal pathway. SUMMARY TDN could inhibit the transfer of NF-κB p65. TDN could inhibit the activation of NF-κB p65. TDN could inhibit the expression of p-IκBa.
Abbreviations used: TDN: Total saponins from Dioscorea nipponica Makino, GA: Gouty arthritis, FLS: Fibroblast-like synoviocytes, IL-1β: Interleukin-1 beta, IF: Immune fluorescence, EMSA: Electrophoretic mobility shift assay, WB: Western blot.
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Affiliation(s)
- Qi Zhou
- Research Institute of Chinese Medicine, Harbin 150040, PR China
| | - Shumin Liu
- Technological Innovation Team of Basic Theory Study Research of Institution of Higher Education in Heilongjiang Province, Heilongjiang University of Chinese Medicine, Harbin 150040, PR China
| | - Donghua Yua
- Research Institute of Chinese Medicine, Harbin 150040, PR China
| | - Ning Zhang
- Research Institute of Chinese Medicine, Harbin 150040, PR China
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Ete T, Roy A, Bhattacharya PK, Mishra A, Khonglah Y, Mishra J, Dorjee R, Lyngdoh M. Glycogen storage disease type 1a presenting as gouty arthritis in a young female without hypoglycaemia. THE EGYPTIAN RHEUMATOLOGIST 2016. [DOI: 10.1016/j.ejr.2015.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Doss HM, Dey C, Sudandiradoss C, Rasool MK. Targeting inflammatory mediators with ferulic acid, a dietary polyphenol, for the suppression of monosodium urate crystal-induced inflammation in rats. Life Sci 2016; 148:201-10. [DOI: 10.1016/j.lfs.2016.02.004] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/30/2016] [Accepted: 02/02/2016] [Indexed: 11/17/2022]
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Ornelas-Aguirre JM. Artritis séptica en un centro de adultos de tercer nivel de atención. ACTA ACUST UNITED AC 2016; 12:27-33. [DOI: 10.1016/j.reuma.2015.02.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2014] [Revised: 01/26/2015] [Accepted: 02/20/2015] [Indexed: 11/29/2022]
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Effects of RuPeng15 Powder (RPP15) on Monosodium Urate Crystal-Induced Gouty Arthritis in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015. [PMID: 26221174 PMCID: PMC4499391 DOI: 10.1155/2015/527019] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
RuPeng15 Powder (RPP15) is a herbal multicompound remedy that originates from traditional Tibetan medicine and possesses antigout, anti-inflammatory, and antihyperuricemic properties based on the traditional conceptions. The present study was undertaken to evaluate the therapeutic effect of PRP15 in rat gouty arthritis induced by monosodium urate (MSU) crystals. In the present study, we found that treatment with RPP15 (0.4, 0.8, and 1.2 g/kg) in rats with gouty arthritis induced by MSU crystals significantly attenuated the knee swelling. Histomorphometric and immunohistochemistry analyses revealed that MSU-induced inflammatory cell infiltration and the elevated expressions of nuclear transcription factor-κB p65 (NF-κB p65) in synovial tissues were significantly inhibited, and enzyme-linked immunosorbent assay (ELISA) result showed that MSU-induced high levels of tumor necrosis factor-alpha (TNF-α), interleukin-1 beta (IL-1β), and interleukin-8 (IL-8) in synovial fluid were reduced by treatment with RPP15 (0.4, 0.8, and 1.2 g/kg). We conclude that RPP15 may be a promising candidate for the development of a new treatment for gout and its activity of antigout may be partially related to inhibiting TNF-α, IL-1β, IL-8, and NF-κB p65 expression in the synovial tissues.
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Zheng SC, Zhu XX, Xue Y, Zhang LH, Zou HJ, Qiu JH, Liu Q. Role of the NLRP3 inflammasome in the transient release of IL-1β induced by monosodium urate crystals in human fibroblast-like synoviocytes. JOURNAL OF INFLAMMATION-LONDON 2015; 12:30. [PMID: 25897296 PMCID: PMC4403983 DOI: 10.1186/s12950-015-0070-7] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/29/2014] [Accepted: 03/12/2015] [Indexed: 11/10/2022]
Abstract
BACKGROUND To investigate whether monosodium urate (MSU) crystals induce interleukin (IL)-1β in human fibroblast-like synoviocytes (FLS), and whether the NLRP3 inflammasome is involved in the inflammatory mechanism. METHODS Human FLS isolated from explants of synovial tissue were stimulated with MSU crystals (0.001 to 0.5 mg/ml) for different time course (6 hours to 48 hours). The expressions of IL-1β, IL-6, TNF-α and NLRP3 were evaluated with ELISA, Western blot and quantitative real-time PCR. RESULTS Exposure of FLS to MSU crystals transiently induced a significant increase in IL-1β expression in culture medium with a peak at 6 h. The mRNA level of IL-1β in the FLS cells had a similar pattern at this time point. Changes in IL-6 and TNF-α expression were not observed. Simultaneously, intercellular pro-IL-1β was detected at 6 h. Furthermore, MSU crystals also induced NLRP3 mRNA and protein expression at 6 h to 48 h after MSU treatment. CONCLUSIONS MSU crystals directly increased IL-1β and intercellular NLRP3 expression in FLS cells. It is suggested that the NLRP3 inflammasome may be associated with IL-1β in FLS treated with MSU. Altogether, MSU could induce production and release of IL-1β through the NLRP3 inflammasome in human synoviocytes.
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Affiliation(s)
- Shu-Cong Zheng
- Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China.,Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China
| | - Xiao-Xia Zhu
- Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China.,Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China
| | - Yu Xue
- Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China.,Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China
| | - Li-Hong Zhang
- Department of Anatomy, Histology and Embryology, Shanghai Medical College of Fudan University, 138 Yixueyuan Road, Shanghai, 200032 PR China
| | - He-Jian Zou
- Division of Rheumatology, Huashan Hospital, Fudan University, Shanghai, China.,Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China
| | - Jian-Hua Qiu
- Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China.,Division of Emergency Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA USA
| | - Qiong Liu
- Institute of Rheumatology, Immunology and Allergy, Fudan University, Shanghai, China.,Department of Anatomy, Histology and Embryology, Shanghai Medical College of Fudan University, 138 Yixueyuan Road, Shanghai, 200032 PR China.,Key Laboratory of Medical Imaging Computing and Computer Assisted Intervention of Shanghai, 138 Yixueyuan Road, Shanghai, 200032 PR China
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Gadolinium-enhanced MRI features of acute gouty arthritis on top of chronic gouty involvement in different joints. Clin Rheumatol 2015; 34:1939-47. [PMID: 25681072 DOI: 10.1007/s10067-015-2895-0] [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: 09/21/2014] [Revised: 01/02/2015] [Accepted: 02/03/2015] [Indexed: 12/27/2022]
Abstract
The aims of the current study are to describe gadolinium-enhanced MRI features of an acute flare of established gouty arthritis in different joints and to examine a possible association between serum uric acid and MRI signs indicative of ongoing inflammation and/or structural joint damage as well as association with disease characteristics and laboratory findings. Twenty-seven male patients with established chronic gout agreed to participate, mean age 47.6 years, and mean disease duration in months 43.2 (±31.8). For all patients, detailed demographic, disease characteristics, and laboratory findings were obtained and correlated with MRI findings. In 27 patients with established gout, a total of 50 MRI studies were performed of the following joints: feet joints (n = 23), ankles (n = 18), knees (n = 5), and hand and wrist joints (n = 4). MRI revealed capsular thickening in 19 patients, bone marrow edema (BME) in 15, soft tissue edema (STE) in 20, joint effusion in 21, bone erosions in 17, cartilaginous erosions in 4, and tenosynovitis in 9 cases. In 17 cases, tophaceous lesions were found. Post contrast MRI showed synovial thickening in seven cases. Positive correlations were observed between serum uric acid levels and the following MRI findings: capsular thickening (r = 0.552, p = 0.003), BME (r = 0.668, p ≤ 0.0001), STE (r = 0.559, p = 0.002), and tenosynovitis (r = 0.513, p = 0.006). Using MRI in chronic gout, important features can be detected like BME, minute cartilaginous erosions, and hypertrophic synovial inflammation in post contrast MR images. Serum uric acid (SUA) was positively correlated with capsular thickening, BME, STE, and tenosynovitis.
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Kim HY, Kim SJ, Lee SM. Activation of NLRP3 and AIM2 inflammasomes in Kupffer cells in hepatic ischemia/reperfusion. FEBS J 2014; 282:259-70. [PMID: 25327779 DOI: 10.1111/febs.13123] [Citation(s) in RCA: 105] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2014] [Revised: 09/26/2014] [Accepted: 10/17/2014] [Indexed: 12/13/2022]
Abstract
Inflammasome activation by danger signals in ischemia/reperfusion (I/R) injury is responsible for the sterile inflammatory response. Signals triggering formation and activation of the inflammasome involve the generation of oxidative stress. The aim of this study was to examine the molecular mechanisms of inflammasome activation and the involvement of reactive oxygen species in hepatic I/R. I/R induced the formation of nucleotide-binding domain leucine-rich repeat containing family pyrin domain containing 3 (NLRP3) and absent in melanoma 2 (AIM2) inflammasomes and the subsequent serum release of interleukin 1β. Pannexin-1 inhibitor and anti-cathepsin B antibody attenuated I/R-induced inflammasome activation and hepatic injury. The expression of the thioredoxin-interacting protein gene and the interaction between NLRP3 and the thioredoxin-interacting protein increased after I/R. Treatment with the antioxidant N-acetylcysteine significantly attenuated protein conversion of interleukin 1β after hepatic I/R. Moreover, pannexin-1 protein expression and cathepsin B release were strongly attenuated by N-acetylcysteine. The depletion of Kupffer cells with gadolinium chloride markedly decreased NLRP3 and AIM2 inflammasome expression and activation of their signaling pathways, and also reduced the level of caspase-1 protein in F4/80-positive cells. Our findings suggest that reactive-oxygen-species-mediated activation of NLRP3 and AIM2 inflammasomes leads to I/R-induced inflammatory responses in which Kupffer cells play a crucial role.
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Affiliation(s)
- Hyo-Yeon Kim
- School of Pharmacy, Sungkyunkwan University, Suwon, Korea
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Arai Y, Nishinaka Y, Arai T, Morita M, Mizugishi K, Adachi S, Takaori-Kondo A, Watanabe T, Yamashita K. Uric acid induces NADPH oxidase-independent neutrophil extracellular trap formation. Biochem Biophys Res Commun 2014; 443:556-61. [DOI: 10.1016/j.bbrc.2013.12.007] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 12/02/2013] [Indexed: 01/21/2023]
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Murunikkara V, Rasool M. Trikatu, a herbal compound that suppresses monosodium urate crystal-induced inflammation in rats, an experimental model for acute gouty arthritis. Cell Biochem Funct 2014; 32:106-14. [PMID: 23674350 DOI: 10.1002/cbf.2979] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2013] [Revised: 04/05/2013] [Accepted: 04/05/2013] [Indexed: 11/06/2022]
Abstract
Gout is an inflammatory joint disorder characterized by hyperuricaemia and precipitation of monosodium urate crystals in the joints. In the present study, we aimed to investigate the anti-inflammatory effect of trikatu, a herbal compound in monosodium urate crystal-induced inflammation in rats, an experimental model for acute gouty arthritis. Paw volume and levels/activities of lysosomal enzymes, lipid peroxidation, anti-oxidant status and histopathological examination of ankle joints were determined in control and monosodium urate crystal-induced rats. In addition, analgesic (acetic acid-induced writhing response), anti-pyretic (yeast-induced pyrexia) and gastric ulceration effects were tested. The levels of lysosomal enzymes, lipid peroxidation and paw volume were significantly increased, and anti-oxidant status was found to be reduced in monosodium urate crystal-induced rats, whereas the biochemical changes were reverted to near normal levels upon trikatu (1000 mg/kg b.wt) administration. The trikatu has also been found to exhibit significant analgesic and anti-pyretic effects with the absence of gastric damage. In conclusion, the present results clearly indicated that trikatu exert a potent anti-inflammatory effect against monosodium urate crystal-induced inflammation in rats in association with analgesic and anti-pyretic effects in the absence of gastrointestinal damage.
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Affiliation(s)
- Vachana Murunikkara
- Immunopathology Lab, School of Bio Sciences and Technology, VIT University, Vellore, India
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Olecranon bursitis as initial presentation of gout in asymptomatic normouricemic patients. THE EGYPTIAN RHEUMATOLOGIST 2014. [DOI: 10.1016/j.ejr.2013.08.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Mechanistic aspects of inflammation and clinical management of inflammation in acute gouty arthritis. J Clin Rheumatol 2013; 19:19-29. [PMID: 23319019 DOI: 10.1097/rhu.0b013e31827d8790] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
It has been recently demonstrated that interleukin 1β (IL-1β) plays a central role in monosodium urate crystal-induced inflammation and that the NALP3 inflammasome plays a major role in IL-1β production. These discoveries have offered new insights into the pathogenesis of acute gouty arthritis. In this review, we discuss the molecular mechanisms by which monosodium urate crystals induce acute inflammation and examine the mechanisms of action (MOAs) of traditional anti-inflammatory drugs (e.g., nonsteroidal anti-inflammatory drugs, colchicine, and glucocorticoids) and biologic agents (e.g., the IL-1β antagonists anakinra, rilonacept, and canakinumab) to understand how their MOAs contribute to their safety profiles. Traditional anti-inflammatory agents may act on the IL-1β pathway at some level; however, their MOAs are broad-ranging, unspecific, and biologically complex. This lack of specificity may explain the range of systemic adverse effects associated with them. The therapeutic margins of nonsteroidal anti-inflammatory drugs, colchicine, and glucocorticoids are particularly low in elderly patients and in patients with cardiovascular, metabolic, or renal comorbidities that are frequently associated with gouty arthritis. In contrast, the IL-1β antagonists act on very specific targets of inflammation, which may decrease the potential for systemic adverse effects, although infrequent but serious adverse events (including infection and administration reactions) have been reported. Because these IL-1β antagonists target an early event immediately downstream from NALP3 inflammasome activation, they may provide effective alternatives to traditional agents with minimal systemic adverse effects. Results of ongoing trials of IL-1β antagonists will likely provide clarification of their potential role in the management of acute gouty arthritis.
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Zarowitz BJ, O'Shea TE. Demographic and Clinical Profile of Nursing Facility Residents with Gout. ACTA ACUST UNITED AC 2013; 28:370-82. [DOI: 10.4140/tcp.n.2013.370] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Rajamäki K, Nordström T, Nurmi K, Åkerman KEO, Kovanen PT, Öörni K, Eklund KK. Extracellular acidosis is a novel danger signal alerting innate immunity via the NLRP3 inflammasome. J Biol Chem 2013; 288:13410-9. [PMID: 23530046 DOI: 10.1074/jbc.m112.426254] [Citation(s) in RCA: 242] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Local acidosis has been demonstrated in ischemic tissues and at inflammatory sites. RESULTS Acidic extracellular pH triggers NLRP3 inflammasome activation and interleukin-1β secretion in human macrophages. CONCLUSION Acidic pH represents a novel danger signal alerting the innate immunity. SIGNIFICANCE Local acidosis may promote inflammation at ischemic and inflammatory sites. Local extracellular acidification has been demonstrated at sites of ischemia and inflammation. IL-1β is one of the key proinflammatory cytokines, and thus, its synthesis and secretion are tightly regulated. The NLRP3 (nucleotide-binding domain leucine-rich repeat containing family, pyrin domain containing 3) inflammasome complex, assembled in response to microbial components or endogenous danger signals, triggers caspase-1-mediated maturation and secretion of IL-1β. In this study, we explored whether acidic environment is sensed by immune cells as an inflammasome-activating danger signal. Human macrophages were exposed to custom cell culture media at pH 7.5-6.0. Acidic medium triggered pH-dependent secretion of IL-1β and activation of caspase-1 via a mechanism involving potassium efflux from the cells. Acidic extracellular pH caused rapid intracellular acidification, and the IL-1β-inducing effect of acidic medium could be mimicked by acidifying the cytosol with bafilomycin A1, a proton pump inhibitor. Knocking down the mRNA expression of NLRP3 receptor abolished IL-1β secretion at acidic pH. Remarkably, alkaline extracellular pH strongly inhibited the IL-1β response to several known NLRP3 activators, demonstrating bipartite regulatory potential of pH on the activity of this inflammasome. The data suggest that acidic environment represents a novel endogenous danger signal alerting the innate immunity. Low pH may thus contribute to inflammation in acidosis-associated pathologies such as atherosclerosis and post-ischemic inflammatory responses.
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Affiliation(s)
- Kristiina Rajamäki
- Wihuri Research Institute, Biomedicum Helsinki, Haartmaninkatu 8, FI-00290 Helsinki, Finland.
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Current World Literature. Curr Opin Rheumatol 2013; 25:275-83. [DOI: 10.1097/bor.0b013e32835eb755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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