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Wang S, Liu W, Wei B, Wang A, Wang Y, Wang W, Gao J, Jin Y, Lu H, Ka Y, Yue Q. Traditional herbal medicine: Therapeutic potential in acute gouty arthritis. JOURNAL OF ETHNOPHARMACOLOGY 2024; 330:118182. [PMID: 38621464 DOI: 10.1016/j.jep.2024.118182] [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: 01/15/2024] [Revised: 03/27/2024] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Acute gouty arthritis (AGA) is characterized by a rapid inflammatory reaction caused by the build-up of monosodium urate (MSU) crystals in the tissues surrounding the joints. This condition often associated with hyperuricemia (HUA), is distinguished by its symptoms of intense pain, active inflammation, and swelling of the joints. Traditional approaches in AGA management often fall short of desired outcomes in clinical settings. However, recent ethnopharmacological investigations have been focusing on the potential of Traditional Herbal Medicine (THM) in various forms, exploring their therapeutic impact and targets in AGA treatment. AIM OF THE REVIEW This review briefly summarizes the current potential pharmacological mechanisms of THMs - including active ingredients, extracts, and prescriptions -in the treatment of AGA, and discusses the relevant potential mechanisms and molecular targets in depth. The objective of this study is to offer extensive information and a reference point for the exploration of targeted AGA treatment using THMs. MATERIALS AND METHODS This review obtained scientific publications focused on in vitro and in vivo studies of anti-AGA THMs conducted between 2013 and 2023. The literature was collected from various journals and electronic databases, including PubMed, Elsevier, ScienceDirect, Web of Science, and Google Scholar. The retrieval and analysis of relevant articles were guided by keywords such as "acute gouty arthritis and Chinese herbal medicine," "acute gouty arthritis herbal prescription," "acute gouty arthritis and immune cells," "acute gouty arthritis and inflammation," "acute gouty arthritis and NOD-like receptor thermoprotein domain associated protein 3 (NLRP3)," "acute gouty arthritis and miRNA," and "acute gouty arthritis and oxidative stress." RESULTS We found that AGA has a large number of therapeutic targets, highlighting the effectiveness the potential of THMs in AGA treatment through in vitro and in vivo studies. THMs and their active ingredients can mitigate AGA symptoms through a variety of therapeutic targets, such as influencing macrophage polarization, neutrophils, T cells, natural killer (NK) cells, and addressing factors like inflammation, NLRP3 inflammasome, signaling pathways, oxidative stress, and miRNA multi-target interactions. The anti-AGA properties of THMs, including their active components and prescriptions, were systematically summarized and categorized based on their respective therapeutic targets. CONCLUSION phenolic, flavonoid, terpenoid and alkaloid compounds in THMs are considered the key ingredients to improve AGA. THMs and their active ingredients achieve enhanced efficacy through interactions with multiple targets, of which NLRP3 is a main therapeutic target. Nonetheless, given the intricate composition of traditional Chinese medicine (TCM), additional research is required to unravel the underlying mechanisms and molecular targets through which THMs alleviate AGA.
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Affiliation(s)
- Siwei Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Wei Liu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China.
| | - Bowen Wei
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Aihua Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Yiwen Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Wen Wang
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Jingyue Gao
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Yue Jin
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Hang Lu
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Yuxiu Ka
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
| | - Qingyun Yue
- First Teaching Hospital of Tianjin University of Traditional Chinese Medicine, Tianjin, 300193, China; National Clinical Research Center for Chinese Medicine Acupuncture and Moxibustion, Tianjin, 300381, China
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Yang QB, Zhang MY, Yang L, Wang J, Mi QS, Zhou JG. Deficiency of histone deacetylases 3 in macrophage alleviates monosodium urate crystals-induced gouty inflammation in mice. Arthritis Res Ther 2024; 26:96. [PMID: 38711064 PMCID: PMC11071232 DOI: 10.1186/s13075-024-03335-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Accepted: 05/01/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Gout is caused by monosodium urate (MSU) crystals deposition to trigger immune response. A recent study suggested that inhibition of Class I Histone deacetylases (HDACs) can significantly reduce MSU crystals-induced inflammation. However, which one of HDACs members in response to MSU crystals was still unknown. Here, we investigated the roles of HDAC3 in MSU crystals-induced gouty inflammation. METHODS Macrophage specific HDAC3 knockout (KO) mice were used to investigate inflammatory profiles of gout in mouse models in vivo, including ankle arthritis, foot pad arthritis and subcutaneous air pouch model. In the in vitro experiments, bone marrow-derived macrophages (BMDMs) from mice were treated with MSU crystals to assess cytokines, potential target gene and protein. RESULTS Deficiency of HDAC3 in macrophage not only reduced MSU-induced foot pad and ankle joint swelling but also decreased neutrophils trafficking and IL-1β release in air pouch models. In addition, the levels of inflammatory genes related to TLR2/4/NF-κB/IL-6/STAT3 signaling pathway were significantly decreased in BMDMs from HDAC3 KO mice after MSU treatment. Moreover, RGFP966, selective inhibitor of HDAC3, inhibited IL-6 and TNF-α production in BMDMs treated with MSU crystals. Besides, HDAC3 deficiency shifted gene expression from pro-inflammatory macrophage (M1) to anti-inflammatory macrophage (M2) in BMDMs after MSU challenge. CONCLUSIONS Deficiency of HDAC3 in macrophage alleviates MSU crystals-induced gouty inflammation through inhibition of TLR2/4 driven IL-6/STAT3 signaling pathway, suggesting that HDAC3 could contribute to a potential therapeutic target of gout.
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Affiliation(s)
- Qi-Bin Yang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People's Republic of China.
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, 1 Ford Place, Detroit, MI, 48202, USA.
| | - Meng-Yun Zhang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People's Republic of China
- Department of Integrated TCM and Western Medicine, General Hospital of Central Theater, PLA, Wuhan, Hubei Province, 430070, China
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, 1 Ford Place, Detroit, MI, 48202, USA
| | - Liu Yang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, Sichuan Province, 637000, People's Republic of China
| | - Jie Wang
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, 1 Ford Place, Detroit, MI, 48202, USA
| | - Qing-Sheng Mi
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, 1 Ford Place, Detroit, MI, 48202, USA.
| | - Jing-Guo Zhou
- Department of Rheumatology and Immunology, Clinical Medical College, The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan Province, 610500, People's Republic of China.
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Chen Y, Liu J, Li Y, Cong C, Hu Y, Zhang X, Han Q. The Independent Value of Neutrophil to Lymphocyte Ratio in Gouty Arthritis: A Narrative Review. J Inflamm Res 2023; 16:4593-4601. [PMID: 37868831 PMCID: PMC10588658 DOI: 10.2147/jir.s430831] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Accepted: 10/09/2023] [Indexed: 10/24/2023] Open
Abstract
Since the incidence of gouty arthritis (GA) exhibits yearly increases, accurate assessment and early treatment have significant values for improving disease conditions and monitoring prognosis. Neutrophil to lymphocyte ratio (NLR) is a common indicator in blood routine, which has the characteristics of easy access and low cost. In recent years, NLR has been proven to be an effective indicator for guiding the diagnosis, treatment, and prognosis of various diseases. Moreover, NLR has varying degrees of relationship with various inflammatory biomarkers, which can affect and reflect the inflammatory response in the body. This paper reviews the independent value of NLR for GA and its underlying molecular pathological mechanisms, intending to contribute to the further application of NLR.
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Affiliation(s)
- Yiming Chen
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
- Anhui Key Laboratory of Application and Development of Internal medicine of Modern Chinese Medicine, Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
| | - Jian Liu
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
- Anhui Key Laboratory of Application and Development of Internal medicine of Modern Chinese Medicine, Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
- National Traditional Chinese Medicine Inheritance and Innovation Center, Hefei, Anhui Province, People’s Republic of China
| | - Yang Li
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
| | - Chengzhi Cong
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
| | - Yuedi Hu
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
| | - Xianheng Zhang
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
| | - Qi Han
- Department of Rheumatology, the First Affiliated Hospital of Anhui University of Chinese Medicine, Hefei, Anhui Province, People’s Republic of China
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Dang W, Zhao L, Wang J, Xu D, Liu J, You L. Association between serum uric acid levels of patients with gout and their complications and examination fees: A cross-sectional analysis. Int J Rheum Dis 2023; 26:673-681. [PMID: 36789953 DOI: 10.1111/1756-185x.14609] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/23/2023] [Accepted: 01/29/2023] [Indexed: 02/16/2023]
Abstract
OBJECTIVE Correlation influence factor analysis of gout patients' serum uric acid (SUA) levels, their examination fees, and various complications were explored. METHODS From January 2017 to December 2021, 17 666 patients with gout were obtained. Conduct quartile grouping according to gout patients' SUA levels was used to compare the differences between groups in terms of examination fees and complications. Kernel density estimation method was adopted to analyze the data distribution, Spearman and Mantel-Haenszel χ2 tests were used to analyze the correlation between SUA levels and examination fees and complications. Binary logistic regression analysis was used to analyze the correlation influence factor between SUA levels and complications. RESULTS Of the 17 666 gout cases, 85.46% were male. Among them, 7637 (43.23%) were inpatients and 10 029 (56.77%) were outpatients. Compared with outpatients, age, SUA levels, and examination fees were significantly higher, and there were more complications among inpatients (P < 0.05). Correlation analysis revealed that outpatients and SUA levels of patients with gout were positively correlated with examination fees, cardiovascular diseases, pulmonary diseases, liver diseases, and kidney diseases (P < 0.01). Binary logistic regression analysis showed that SUA level is an independent influence factor for cardiovascular diseases, pulmonary diseases, liver diseases, and kidney diseases (odds ratio [95% confidence interval]: 1.002 [1.002-1.002], 1.001 [1.000-1.001], 1.003 [1.002-1.003], and 1.001 [1.001-1.002], respectively). CONCLUSIONS As SUA levels increased, examination fees, cardiovascular disease, pulmonary disease, liver disease, and kidney disease complications increased. SUA level is an independent influence factor for the combination of gout with cardiovascular diseases, pulmonary diseases, liver diseases, and kidney diseases.
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Affiliation(s)
- Wantai Dang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Ling Zhao
- Department of Ultrasound, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Jing Wang
- Institute of Automation, Chinese Academy of Sciences, Beijing, China
| | - Dan Xu
- Department of nephrology, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Jian Liu
- Department of Ultrasound, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
| | - Lanlan You
- Department of Ultrasound, The First Affiliated Hospital of Chengdu Medical College, Chengdu, China
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Neoisoastilbin Ameliorates Acute Gouty Arthritis via Suppression of the NF- κB/NLRP3 Pathway. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2023; 2023:7629066. [PMID: 36824696 PMCID: PMC9943619 DOI: 10.1155/2023/7629066] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 01/16/2023] [Accepted: 02/01/2023] [Indexed: 02/16/2023]
Abstract
Acute gouty arthritis (AGA) is an acute inflammatory disease, whose occurrence and development mechanism are associated with inflammatory reaction of joint tissue. This study investigated the role of neoisoastilbin (NIA) in the treatment of AGA and explored the underlying mechanisms. C57BL/6 mice underwent intraarticular injection of monosodium urate (MSU) to establish an AGA model in vivo. Enzyme-linked immunosorbent assay, histopathological hematoxylin-eosin staining, western blotting, and other methods were used to observe the therapeutic effects of NIA on AGA and investigate the role of the NF-κB/NLRP3 pathway in the treatment. We found that NIA effectively reduced MSU-induced joint swelling and inflammatory cell infiltration in a concentration-dependent manner. NIA also significantly reduced interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α) levels as compared with the respective values in the model mice group. In addition, administration of NIA significantly mitigated the phosphorylation of NF-κB-related proteins (IKKα, NF-κB, and IκBα) and the expression of NLRP3-related proteins (NLRP3, caspase-1, and ASC) in MSU-induced joint tissues. In conclusion, our research indicated that NIA significantly improved AGA, and its underlying mechanism was achieved by simultaneously inhibiting the NF-κB/NLRP3 pathway and the expression of inflammatory factors. This research preliminarily suggested the potential role of NIA in the treatment of AGA.
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Dadaya E, Koubala B, Ndjonka D, Zingué S, Laya A, Atsang G. Hydromethanolic Root Extract of Gnidia Kraussiana Demonstrates Anti-Inflammatory Effect Through Anti-Oxidant Activity Enhancement in a Rodent Model of Gout. Dose Response 2023; 21:15593258221148015. [PMID: 36743195 PMCID: PMC9893086 DOI: 10.1177/15593258221148015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 12/09/2022] [Indexed: 02/03/2023] Open
Abstract
Gout is a metabolic arthritis that originates from increased accumulation of monosodium urate (MSU) crystals in joints. This work aimed to evaluate the antioxidant and anti-inflammatory activities of the hydromethanolic extract of Gnidia kraussiana (HEGK) using model of Gouty arthritis on mice. The total polyphenol, flavonoid, tannin content and the antioxidant activity of HEGK were also evaluated. MSU-injected mice were treated daily for 3 days with HEGK (25, 50 and 100 mg/kg). Indomethacin and colchicin were used as reference drugs. Paw oedema and body temperature were measured at different time intervals post-injection. Malondialdehyde, acid phosphatase, β-Galactosidase, catalase, superoxide dismutase and glutathione levels were evaluated. HEGK is rich in polyphenol (129.93 mg/100 g), flavonoid (67.78 mg/100 g) and tannin conferring it a high antioxidant activity. Acute oral toxicity of HEGK resulted in LD50 greater than 2000 mg/kg. Oral administration of HEGK induced a significant decrease in the oedema of legs injected with urate crystals and reduced the release of acid phosphatase and β-Galactosidase. A model of oxidative damage was successfully established, revealing a significant increase in malondialdehyde and inhibition of antioxidants, including superoxide dismutase, catalase and glutathione activity. Thus, HEGK can actively inhibit the effect of inflammatory mediators in gouty arthritis.
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Affiliation(s)
- Elizé Dadaya
- Standard Institution, University of Maroua, Cameroon
| | - Benoit Koubala
- Standard Institution, University of Maroua, Cameroon,Benoit Koubala, Standard Institution, University of Maroua, Maroua 814, Cameroon.
| | | | | | - Alphonse Laya
- Standard Institution, University of Maroua, Cameroon
| | - Gisèle Atsang
- Standard Institution, University of Maroua, Cameroon
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Uricase-Deficient Larval Zebrafish with Elevated Urate Levels Demonstrate Suppressed Acute Inflammatory Response to Monosodium Urate Crystals and Prolonged Crystal Persistence. Genes (Basel) 2022; 13:genes13122179. [PMID: 36553446 PMCID: PMC9777727 DOI: 10.3390/genes13122179] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/17/2022] [Accepted: 11/19/2022] [Indexed: 11/24/2022] Open
Abstract
Gout is caused by elevated serum urate leading to the deposition of monosodium urate (MSU) crystals that can trigger episodes of acute inflammation. Humans are sensitive to developing gout because they lack a functional urate-metabolizing enzyme called uricase/urate oxidase (encoded by the UOX gene). A hallmark of long-standing disease is tophaceous gout, characterized by the formation of tissue-damaging granuloma-like structures ('tophi') composed of densely packed MSU crystals and immune cells. Little is known about how tophi form, largely due to the lack of suitable animal models in which the host response to MSU crystals can be studied in vivo long-term. We have previously described a larval zebrafish model of acute gouty inflammation where the host response to microinjected MSU crystals can be live imaged within an intact animal. Although useful for modeling acute inflammation, crystals are rapidly cleared following a robust innate immune response, precluding analysis at later stages. Here we describe a zebrafish uox null mutant that possesses elevated urate levels at larval stages. Uricase-deficient 'hyperuricemic' larvae exhibit a suppressed acute inflammatory response to MSU crystals and prolonged in vivo crystal persistence. Imaging of crystals at later stages reveals that they form granuloma-like structures dominated by macrophages. We believe that uox-/- larvae will provide a useful tool to explore the transition from acute gouty inflammation to tophus formation, one of the remaining mysteries of gout pathogenesis.
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de Almeida L, Devi S, Indramohan M, Huang QQ, Ratsimandresy RA, Pope RM, Dorfleutner A, Stehlik C. POP1 inhibits MSU-induced inflammasome activation and ameliorates gout. Front Immunol 2022; 13:912069. [PMID: 36225929 PMCID: PMC9550078 DOI: 10.3389/fimmu.2022.912069] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 09/06/2022] [Indexed: 01/13/2023] Open
Abstract
Canonical inflammasomes are innate immune protein scaffolds that enable the activation of inflammatory caspase-1, and subsequently the processing and release of interleukin (IL)-1β, IL-18, and danger signals, as well as the induction of pyroptotic cell death. Inflammasome assembly and activation occurs in response to sensing of infectious, sterile and self-derived molecular patterns by cytosolic pattern recognition receptors, including the Nod-like receptor NLRP3. While these responses are essential for host defense, excessive and uncontrolled NLRP3 inflammasome responses cause and contribute to a wide spectrum of inflammatory diseases, including gout. A key step in NLRP3 inflammasome assembly is the sequentially nucleated polymerization of Pyrin domain (PYD)- and caspase recruitment domain (CARD)-containing inflammasome components. NLRP3 triggers polymerization of the adaptor protein ASC through PYD-PYD interactions, but ASC polymerization then proceeds in a self-perpetuating manner and represents a point of no return, which culminates in the activation of caspase-1 by induced proximity. In humans, small PYD-only proteins (POPs) lacking an effector domain regulate this key process through competitive binding, but limited information exists on their physiological role during health and disease. Here we demonstrate that POP1 expression in macrophages is sufficient to dampen MSU crystal-mediated inflammatory responses in animal models of gout. Whether MSU crystals are administered into a subcutaneous airpouch or into the ankle joint, the presence of POP1 significantly reduces neutrophil infiltration. Also, airpouch exudates have much reduced IL-1β and ASC, which are typical pro-inflammatory indicators that can also be detected in synovial fluids of gout patients. Exogenous expression of POP1 in mouse and human macrophages also blocks MSU crystal-induced NLRP3 inflammasome assembly, resulting in reduced IL-1β and IL-18 secretion. Conversely, reduced POP1 expression in human macrophages enhances IL-1β secretion. We further determined that the mechanism for the POP1-mediated inhibition of NLRP3 inflammasome activation is through its interference with the crucial NLRP3 and ASC interaction within the inflammasome complex. Strikingly, administration of an engineered cell permeable version of POP1 was able to ameliorate MSU crystal-mediated inflammation in vivo, as measured by neutrophil infiltration. Overall, we demonstrate that POP1 may play a crucial role in regulating inflammatory responses in gout.
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Affiliation(s)
- Lucia de Almeida
- 1Division of Rheumatology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Savita Devi
- 2Department of Academic Pathology, Cedars Sinai Medical Center, Los Angeles, CA, United States
| | - Mohanalaxmi Indramohan
- 2Department of Academic Pathology, Cedars Sinai Medical Center, Los Angeles, CA, United States
| | - Qi-Quan Huang
- 1Division of Rheumatology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Rojo A. Ratsimandresy
- 2Department of Academic Pathology, Cedars Sinai Medical Center, Los Angeles, CA, United States
| | - Richard M. Pope
- 1Division of Rheumatology, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Andrea Dorfleutner
- 2Department of Academic Pathology, Cedars Sinai Medical Center, Los Angeles, CA, United States,3Department of Biomedical Sciences, Cedars Sinai Medical Center, Los Angeles, CA, United States,4The Kao Autoimmunity Institute, Cedars Sinai Medical Center, Los Angeles, CA, United States,*Correspondence: Andrea Dorfleutner, ; Christian Stehlik,
| | - Christian Stehlik
- 2Department of Academic Pathology, Cedars Sinai Medical Center, Los Angeles, CA, United States,3Department of Biomedical Sciences, Cedars Sinai Medical Center, Los Angeles, CA, United States,4The Kao Autoimmunity Institute, Cedars Sinai Medical Center, Los Angeles, CA, United States,5Samuel Oschin Comprehensive Cancer Institute, Cedars Sinai Medical Center, Los Angeles, CA, United States,*Correspondence: Andrea Dorfleutner, ; Christian Stehlik,
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Dai X, Fang X, Xia Y, Li M, Li X, Wang Y, Tao J, Li X. ATP-Activated P2X7R Promote the Attack of Acute Gouty Arthritis in Rats Through Activating NLRP3 Inflammasome and Inflammatory Cytokine Production. J Inflamm Res 2022; 15:1237-1248. [PMID: 35845088 PMCID: PMC9283387 DOI: 10.2147/jir.s351660] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Accepted: 02/15/2022] [Indexed: 11/23/2022] Open
Abstract
Objective To investigate the effect of P2X7R on MSU crystal-induced acute gouty arthritis in rats and its mechanism on inflammatory responses. Methods In vivo activation or inhibition of P2X7R was examined in the ATP group or the BBG group of rats, and the control group were injected with PBS. All three groups of rats were injected with MSU in the right joint cavity. The development of acute gouty arthritis was observed and evaluated at 6h, 12h, 24h, 48h and 72h. The clinical manifestations of acute arthritis, the expression level of P2X7R in spleen macrophages, the ability of macrophages to take up YO-PRO-1, and the level of Tregs, Th17 cells and inflammatory cytokines were assessed. Besides, mRNA expression levels of P2X7R, NLRP3 and IL-1β were also detected. Results After 12h and 24h administration, P2X7R agonist ATP significantly accelerated the development of acute gouty arthritis, while the P2X7R inhibitor BBG had the opposite effect on this process. Activation of P2X7R significantly aggravated the ankle joint arthritis of the rat and promoted the infiltration of neutrophils and macrophages in the synovial tissue. In addition, the expression of P2X7R in macrophages of ATP group, the uptake of YO-PRO-1 and the expression of NLRP3 mRNA were significantly higher than that in other two groups. At 12h or 24h, activation or inhibition P2X7R had a significant effect on the IL-1β, IL-6, IL-17, IL-10 and TGF-β1. The ratios of Treg/Th17 gradually decreased in the First three time points, it was the lowest at 24h. Conclusion Activation of P2X7R by ATP aggravated the development of acute gouty arthritis through P2X7R/NLRP3 pathway, promoted the secretion of related inflammatory cytokines, which affected radio of Tregs/Th17 cells. The whole pathogenesis process appeared a pattern from acute attack to remission in time-dependent trend.
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Affiliation(s)
- Xiaojuan Dai
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Xuan Fang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Yuan Xia
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Manyun Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Xiaomei Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Yiping Wang
- Centre for Transplantation and Renal Research, Westmead Institute for Medical Research, The University of Sydney, Sydney, NSW, Australia
| | - Jinhui Tao
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
| | - Xiangpei Li
- Department of Rheumatology and Immunology, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, 230001, People’s Republic of China
- Correspondence: Xiangpei Li; Jinhui Tao, Email ;
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Sun X, Li P, Qu X, Liu W. Isovitexin alleviates acute gouty arthritis in rats by inhibiting inflammation via the TLR4/MyD88/NF-κB pathway. PHARMACEUTICAL BIOLOGY 2021; 59:1326-1333. [PMID: 34582722 PMCID: PMC8480722 DOI: 10.1080/13880209.2021.1979595] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
CONTEXT The prevalence of gout has greatly increased, and it has become the most common inflammatory arthritis in men. Isovitexin possesses anti-inflammatory and antioxidant properties. OBJECTIVE We explored the effects of isovitexin on rats with acute gouty arthritis (GA). MATERIALS AND METHODS Fifty-four Sprague-Dawley rats were assigned to five groups: sham, model, positive (colchicine, 0.3 mg/kg), isovitexin (100 mg/kg), TLR4 inhibitor (TAK-242, 3 mg/kg) and isovitexin + TAK-242. The gait of rats and the ankle joint swelling index were monitored. The levels of tumour necrosis factor-α (TNF-α), interleukin-1β (IL-1β) and IL-6, and pathological changes in the synovial tissues were determined. RESULTS Isovitexin significantly reduced the ankle joint swelling index at day 7 compared to that in the model group (4.39 ± 1.01 vs. 6.09 ± 1.31). Moreover, isovitexin alleviated the infiltration of inflammatory cells and ameliorated the proliferation of synovial cells. The levels of TNF-α (93.42 ± 5.02 pg/mL), IL-1β (25.46 ± 1.91 pg/mL) and IL-6 (194.71 ± 7.92 pg/mL) in the isovitexin group were significantly lower than in the model group (129.39 ± 5.43, 39.60 ± 2.71 and 223.77 ± 5.35 pg/mL). The expression of TLR4, MyD88 and p-NF-κB-p65 was remarkably decreased after isovitexin and colchicine treatment. The effect of isovitexin was similar to that colchicine. Furthermore, the combination of isovitexin and TAK-242 had better effect, and there was no significantly difference with colchicine treatment. DISCUSSION AND CONCLUSIONS Isovitexin ameliorates joint inflammation in acute GA via the TLR4/MyD88/NF-κB pathway. Isovitexin may be a potential substitute medicine for GA.
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Affiliation(s)
- Xiujiang Sun
- Department of Orthopedics, Yantaishan Hospital, Yantai, China
| | - Peng Li
- Department of Orthopedics and Traumatology, Dezhou Hospital of Traditional Chinese Medicine, Dezhou, China
| | - Xiaoyi Qu
- Clinical Teaching and Research Section, Yantai Nursing School, Yantai, China
| | - Wenguang Liu
- Department of Joint Surgery, the Second Hospital of Shandong University, Jinan, China
- CONTACT Wenguang Liu Department of Joint Surgery, the Second Hospital of Shandong University, No. 247 Beiyuan Road, Jinan250000, Shandong, China
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Dang W, Xu X, Luo D, Luo H, Hu J, Zhou J, Liu J, You L. Analysis of Risk Factors for Changes in the Renal Two-Dimensional Image in Gout Patients. Int J Gen Med 2021; 14:6367-6378. [PMID: 34675606 PMCID: PMC8502035 DOI: 10.2147/ijgm.s336220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 09/23/2021] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE To explore the effects of different blood uric acid levels in gout patients on the two-dimensional image of the kidney and the risk factors for gout-related kidney damage for providing clinical evidence to enable early prevention and treatment of gout-related kidney damage. METHODS We obtained information of 227 patients with primary gout and estimated the association between two-dimensional kidney images and clinical indicators using binary logistic regression. RESULTS Our study showed that different uric acid levels, age, disease course, cystatin C (CysC) level, and γ-glutamyl transpeptidase level were correlated with echo of the renal medulla (P < 0.05). CysC level was correlated with the renal cortex thickness and kidney stones in different uric acid-level groups (P < 0.05). Disease course, aspartate transaminase (AST) level, creatinine (CREA) level, and tophi were risk factors for renal cortex thinning in gout patients (P = 0.045, 0.026, 0.004, 0.006, respectively). The disease course, platelet (PLT) count, and high-density lipoprotein (HDL-C) level were risk factors for kidney stone formation in gout patients (P = 0.037, 0.022, 0.023, respectively), while CysC level and C-reactive protein (CRP) level were risk factors for increased renal medulla echo in these patients (P = 0.022, 0.028, respectively). CONCLUSION Our study revealed disease course, AST level, CREA level, tophi, PLT count, HDL-C level, CysC level and CRP level may be important predictors of renal image changes.
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Affiliation(s)
- Wantai Dang
- Department of Rheumatism and Immunity, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Xiaohui Xu
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Danling Luo
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Hui Luo
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Jin Hu
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Jingguo Zhou
- Department of Rheumatism and Immunity, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Jian Liu
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
| | - Lanlan You
- Department of Ultrasound, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, Sichuan, 610500, People’s Republic of China
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Yang QB, Li LQ, Zhang QB, He YL, Mi QS, Zhou JG. microRNA-223 Deficiency Exacerbates Acute Inflammatory Response to Monosodium Urate Crystals by Targeting NLRP3. J Inflamm Res 2021; 14:1845-1858. [PMID: 34007200 PMCID: PMC8123978 DOI: 10.2147/jir.s307796] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/14/2021] [Indexed: 01/13/2023] Open
Abstract
Objective MicroRNAs were identified as master-switch molecules limiting acute inflammatory response. This study investigated the potential role of microRNA (miR)-223 in the mechanism of gout. Methods Wild-type (WT) and miR-223 knock-out (KO) mice were used to evaluate the phenotypes of gout models. Inflammatory cytokines were measured in air pouch and peritoneal cavity lavage fluid. In addition to miR-223 level in gout patients, miR-223 and pro-inflammatory genes were examined in bone marrow-derived macrophages (BMDMs) from mice as well as peripheral blood mononuclear cells from healthy controls (HC) treated with monosodium urate (MSU) crystals in vitro. Results MiR-223 was up-regulated in the early phase in BMDMs from WT mice after MSU challenge and decreased rapidly, and this was not observed in miR-223 KO mice in vitro. In addition, miR-223 was required for macrophages homeostasis. In comparison with WT mice in vivo, miR-223 deficiency exacerbated swelling index of MSU-induced inflammation in foot pad and ankle joint models. MiR-223 deficiency also markedly aggravated inflammatory cells infiltration and cytokines release including interleukin (IL)-1β, IL-6 and monocyte chemotactic protein-1 (MCP-1) in the air pouch and peritonitis models. In the in vitro experiments, miR-223 deficiency promoted the inflammatory response by targeting NLR family pyrin domain containing protein 3 (NLRP3). Besides, miR-223 level was down-regulated in gout patients and in HC exposed to MSU in vitro. Conclusion MiR-223 was down-regulated in gout patients and miR-223 deficiency exacerbated inflammatory response in diverse murine models, suggesting that up-regulation of miR-223 could be a potential therapeutic strategy for alleviating gouty inflammation.
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Affiliation(s)
- Qi-Bin Yang
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, Sichuan Province, People's Republic of China.,Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, Detroit, MI, 48202, USA
| | - Ling-Qin Li
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, Sichuan Province, People's Republic of China
| | - Quan-Bo Zhang
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, Detroit, MI, 48202, USA.,Department of Gerontology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, Sichuan Province, People's Republic of China
| | - Yong-Long He
- Department of Rheumatology and Immunology, Affiliated Hospital of North Sichuan Medical College, Nanchong, 637000, Sichuan Province, People's Republic of China
| | - Qing-Sheng Mi
- Henry Ford Immunology Program, Departments of Dermatology and Internal Medicine, Henry Ford Health System, Detroit, MI, 48202, USA
| | - Jing-Guo Zhou
- Department of Rheumatology and Immunology, Clinical Medical College and The First Affiliated Hospital of Chengdu Medical College, Chengdu, 610500, Sichuan Province, People's Republic of China
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Fattori V, Staurengo-Ferrari L, Zaninelli TH, Casagrande R, Oliveira RD, Louzada-Junior P, Cunha TM, Alves-Filho JC, Teixeira MM, Cunha FQ, Amaral FA, Verri WA. IL-33 enhances macrophage release of IL-1β and promotes pain and inflammation in gouty arthritis. Inflamm Res 2020; 69:1271-1282. [PMID: 32886146 DOI: 10.1007/s00011-020-01399-x] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 07/29/2020] [Accepted: 08/30/2020] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To investigate the role of IL-33 in gouty arthritis. MATERIAL 174 Balb/c (wild-type) and 54 ST2-/- mice were used in this study. In vitro experiments were conducted in bone marrow-derived macrophages (BMDMs). Synovial fluid samples from gouty arthritis (n = 7) and osteoarthritis (n = 8) hospital patients were used to measure IL-33 and sST2 levels. METHODS Gout was induced by injection of monosodium urate (MSU) crystals in the knee joint of mice. Pain was determined using the electronic von Frey and static weight bearing. Neutrophil recruitment was determined by H&E staining, Rosenfeld staining slides, and MPO activity. ELISA was used for cytokine and sST2 measurement. The priming effect of IL-33 was determined in BMDM. RESULTS Synovial fluid of gout patients showed higher IL-33 levels and neutrophil counts than osteoarthritis patients. In mice, the absence of ST2 prevented mechanical pain, knee joint edema, neutrophil recruitment to the knee joint, and lowered IL-1β and superoxide anion levels. In macrophages, IL-33 enhanced the release of IL-1β and TNF-α, and BMDMs from ST2-/- showed reduced levels of these cytokines after stimulus with MSU crystals. CONCLUSION IL-33 mediates gout pain and inflammation by boosting macrophages production of cytokines upon MSU crystals stimulus.
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Affiliation(s)
- Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Larissa Staurengo-Ferrari
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Tiago H Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Science, Londrina State University, Londrina, Brazil
| | - Rene D Oliveira
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Paulo Louzada-Junior
- Division of Clinical Immunology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Mauro M Teixeira
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Center for Research in Inflammatory Diseases, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Flavio A Amaral
- Departamento de Bioquímica e Imunologia, Instituto de Ciências Biológicas (ICB), Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil.
- Departamento de Ciências Patológicas, Centro de Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445, KM 380, PO Box 10.011, Londrina, Parana, 86057-970, Brazil.
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Effects of Alismatis Rhizoma and Rhizoma Smilacis Glabrae Decoction on Hyperuricemia in Rats. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2019; 2019:4541609. [PMID: 31511779 PMCID: PMC6714326 DOI: 10.1155/2019/4541609] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/28/2019] [Accepted: 08/01/2019] [Indexed: 11/18/2022]
Abstract
The combination of Alismatis Rhizoma (AR) and Rhizoma Smilacis Glabrae (RSG), as Chinese herb medicine, has been used for their uric acid-lowering effect. However, the effects and mechanism of the combination of the two medicines have not been fully reported. Therefore, to explore the effects of AR-RSG combination decoction on the treatment of chronic hyperuricemia (HUA) in rats as well as the underlying mechanisms, in this study, at the first stage, a long-term HUA rats model was established by gavage of oteracil potassium plus adenine; allopurinol was used as the positive control, and the uric acid-lowering effects of AR or RSG decoction alone with low and high dose were evaluated, respectively. Serum uric acid (UA) and xanthine oxidase (XOD) were determined mainly, and pathological analysis of the kidney and liver was carried out after sacrifice of the animals. And then, at the second stage, four dose groups of AR-RSG combination treatment were investigated in HUA rats. In addition to the indicators measured at the first stage, the expression of urate anion exchanger 1 (URAT1) in rat kidney was determined by immunohistochemistry. We discovered that the UA levels of the model group in both stages were significantly and steadily higher than those of control groups. AR and RSG alone or in combination possess ability to decrease serum UA level of HUA rats, with effects more marked in the combination groups. The uric acid-lowering mechanism of AR-RSG combination may be related to its inhibiting activity of XOD, improving kidney damage and downregulating the expression of URAT1 in kidney.
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15
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Szekanecz Z, Szamosi S, Kovács GE, Kocsis E, Benkő S. The NLRP3 inflammasome - interleukin 1 pathway as a therapeutic target in gout. Arch Biochem Biophys 2019; 670:82-93. [DOI: 10.1016/j.abb.2019.01.031] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/22/2019] [Accepted: 01/27/2019] [Indexed: 02/07/2023]
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16
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Zamudio-Cuevas Y, Fernández-Torres J, Martínez-Nava GA, Martínez-Flores K, Ramírez Olvera A, Medina-Luna D, Hernández Pérez AD, Landa-Solís C, López-Reyes A. Phagocytosis of monosodium urate crystals by human synoviocytes induces inflammation. Exp Biol Med (Maywood) 2019; 244:344-351. [PMID: 30739483 DOI: 10.1177/1535370219830665] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
IMPACT STATEMENT Gout is distinguished by an inflammatory process that is mediated by phagocytosis of monosodium urate (MSU) crystals in synoviocytes by regulation of unknown mechanisms. Here we suggest that the synovial cells play a crucial role in gouty arthritis by activating inflammation by MSU uptake and increasing the secretion of pro-inflammatory cytokines IL-1β, IL-6, IL-8, TNF-α, MCP-1, and the growth factors NGF and HGF. We discuss some co-existing features in synoviocytes, including anomalous morphologies of the cells, and microvesicle formation, dysregulation in VEGF gene expression. We provide evidence that phagocytosis of MSU crystals triggers an inflammatory cellular state in synoviocytes in the pathogenesis of crystal-induced arthritis.
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Affiliation(s)
| | | | | | | | | | | | | | - Carlos Landa-Solís
- 3 Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa. Instituto Nacional de Rehabilitación "Luis Guillermo Ibarra Ibarra" Calzada México-Xochimilco No. 289, Col. Arenal de Guadalupe, Delegación Tlalpan, C.P. 14389, Mexico City, Mexico
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Wu Z, Koh B, Lawrence LM, Kanamala M, Pool B, Svirskis D, Dalbeth N, Astin JW, Crosier KE, Crosier PS, Hall CJ. Liposome-Mediated Drug Delivery in Larval Zebrafish to Manipulate Macrophage Function. Zebrafish 2019; 16:171-181. [PMID: 30724716 DOI: 10.1089/zeb.2018.1681] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Chemical interventions are regularly used to examine and manipulate macrophage function in larval zebrafish. Given chemicals are typically administered by simple immersion or injection, it is not possible to resolve whether their impact on macrophage function is direct or indirect. Liposomes provide an attractive strategy to target drugs to specific cellular compartments, including macrophages. As an example, injecting liposomal clodronate into animal models, including zebrafish, is routinely used to deliver toxic levels of clodronate specifically to macrophages for targeted cell ablation. Here we show that liposomes can also target the delivery of drugs to zebrafish macrophages to selectively manipulate their function. We utilized the drugs etomoxir (a fatty acid oxidation inhibitor) and MitoTEMPO (a scavenger of mitochondrial reactive oxygen species [mROS]), that we have previously shown, through free drug delivery, suppress monosodium urate (MSU) crystal-driven macrophage activation. We generated poloxamer 188 modified liposomes that were readily phagocytosed by macrophages, but not by neutrophils. Loading these liposomes with etomoxir or MitoTEMPO and injecting into larvae suppressed macrophage activation in response to MSU crystals, as evidenced by proinflammatory cytokine expression and macrophage-driven neutrophil recruitment. This work reveals the utility of packaging drugs into liposomes as a strategy to selectively manipulate macrophage function.
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Affiliation(s)
- Zimei Wu
- 1 School of Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Ben Koh
- 1 School of Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Lisa M Lawrence
- 2 Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Manju Kanamala
- 1 School of Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Bregina Pool
- 3 Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Darren Svirskis
- 1 School of Pharmacy, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Nicola Dalbeth
- 3 Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Jonathan W Astin
- 2 Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Kathryn E Crosier
- 2 Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Philip S Crosier
- 2 Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | - Christopher J Hall
- 2 Department of Molecular Medicine and Pathology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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Staurengo-Ferrari L, Ruiz-Miyazawa KW, Pinho-Ribeiro FA, Fattori V, Zaninelli TH, Badaro-Garcia S, Borghi SM, Carvalho TT, Alves-Filho JC, Cunha TM, Cunha FQ, Casagrande R, Verri WA. Trans-Chalcone Attenuates Pain and Inflammation in Experimental Acute Gout Arthritis in Mice. Front Pharmacol 2018; 9:1123. [PMID: 30333752 PMCID: PMC6176465 DOI: 10.3389/fphar.2018.01123] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 09/13/2018] [Indexed: 01/23/2023] Open
Abstract
Gouty arthritis is characterized by an intense inflammatory response to monosodium urate crystals (MSU), which induces severe pain and reduction in the life quality of patients. Trans-Chalcone (1,3-diphenyl-2-propen-1-one) is a flavonoid precursor presenting biological activities such as anti-inflammatory and antioxidant proprieties. Thus, the aim of this work was to evaluate the protective effects of trans-Chalcone in experimental gout arthritis in mice. Mice were treated with trans-Chalcone (3, 10, or 30 mg/kg, per oral) or vehicle (Tween 80 20% plus saline) 30 min before intra-articular injection of MSU (100 μg/knee joint, intra-articular). We observed that trans-Chalcone inhibited MSU-induced mechanical hyperalgesia, edema, and leukocyte recruitment (total leukocytes, neutrophils, and mononuclear cells) in a dose-dependent manner. Trans-Chalcone also decreased inflammatory cell recruitment as observed in Hematoxylin and Eosin (HE) staining and the intensity of fluorescence of LysM-eGFP+ cells in the confocal microscopy. Trans-Chalcone reduced MSU-induced oxidative stress as observed by an increase in the antioxidant defense [Glutathione (GSH), Ferric Reducing (FRAP), and 2,2’-Azinobis-3-ethylbenzothiazoline 6-sulfonic acid (ABTS assays)] and reduction in reactive oxygen and nitrogen species production [superoxide anion (NBT assay) and nitrite (NO assay)]. Furthermore, it reduced in vivo MSU-induced interleukin-1β (IL-1β), Tumor necrosis factor-α (TNF-α), and IL-6 production, and increased Transforming growth factor-β (TGF-β) production. Importantly, trans-Chalcone reduced nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) activation and thereby the mRNA expression of the inflammasome components Nlrp3 (cryopyrin), Asc (apoptosis-associated speck-like protein containing a CARD), Pro-caspase-1 and Pro-IL-1β. In vitro, trans-Chalcone reduced the MSU-induced release of IL-1β in lipopolysaccharide (LPS)-primed macrophages. Therefore, the pharmacological effects of trans-Chalcone indicate its therapeutic potential as an analgesic and anti-inflammatory flavonoid for the treatment of gout.
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Affiliation(s)
| | - Kenji W Ruiz-Miyazawa
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Felipe A Pinho-Ribeiro
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Victor Fattori
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Tiago H Zaninelli
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | | | - Sergio M Borghi
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Thacyana T Carvalho
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Jose C Alves-Filho
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thiago M Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Fernando Q Cunha
- Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Rubia Casagrande
- Departamento de Ciências Farmacêuticas, Universidade Estadual de Londrina, Londrina, Brazil
| | - Waldiceu A Verri
- Departamento de Ciências Patológicas, Universidade Estadual de Londrina, Londrina, Brazil
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Fattori V, Zarpelon AC, Staurengo-Ferrari L, Borghi SM, Zaninelli TH, Da Costa FB, Alves-Filho JC, Cunha TM, Cunha FQ, Casagrande R, Arakawa NS, Verri WA. Budlein A, a Sesquiterpene Lactone From Viguiera robusta, Alleviates Pain and Inflammation in a Model of Acute Gout Arthritis in Mice. Front Pharmacol 2018; 9:1076. [PMID: 30319413 PMCID: PMC6167909 DOI: 10.3389/fphar.2018.01076] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2018] [Accepted: 09/05/2018] [Indexed: 01/27/2023] Open
Abstract
Background: Gout is the most common inflammatory arthritis worldwide. It is a painful inflammatory disease induced by the deposition of monosodium urate (MSU) crystals in the joints and peri-articular tissues. Sesquiterpene lactones (SLs) are secondary metabolite biosynthesized mainly by species from the family Asteraceae. It has been demonstrated that SLs present anti-inflammatory, analgesic, antitumoral, antiparasitic, and antimicrobial activities. In this study, we aimed at evaluating the efficacy of the SL budlein A in a model of acute gout arthritis in mice. Methods: Experiments were conducted in male Swiss or male LysM-eGFP mice. Animals were treated with budlein A (1 or 10 mg/kg) or vehicle 30 min before stimulus with MSU (100 μg/10 μL, intra-articular). Knee joint withdrawal threshold and edema were evaluated using electronic von Frey and caliper, respectively, 1-15 h after MSU injection. Leukocyte recruitment was determined by counting cells (Neubauer chamber), H&E staining, and using LysM-eGFP mice by confocal microscopy. Inflammasome components, Il-1β, and Tnf-α mRNA expression were determined by RT-qPCR. IL-1β and TNF-α production (in vitro) and NF-κB activation (in vitro and in vivo) were evaluated by ELISA. In vitro analysis using LPS-primed bone marrow-derived macrophages (BMDMs) was performed 5 h after stimulation with MSU crystals. For these experiments, BMDMs were either treated or pre-treated with budlein A at concentrations of 1, 3, or 10 μg/mL. Results: We demonstrated that budlein A reduced mechanical hypersensitivity and knee joint edema. Moreover, it reduced neutrophil recruitment, phagocytosis of MSU crystals by neutrophils, and Il-1β and Tnf-α mRNA expression in the knee joint. In vitro, budlein A decreased TNF-α production, which might be related to the inhibition of NF-κB activation. Furthermore, budlein A also reduced the IL-1β maturation, possibly by targeting inflammasome assembly in macrophages. Conclusion: Budlein A reduced pain and inflammation in a model of acute gout arthritis in mice. Therefore, it is likely that molecules with the ability of targeting NF-κB activation and inflammasome assembly, such as budlein A, are interesting approaches to treat gout flares.
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Affiliation(s)
- Victor Fattori
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Ana C Zarpelon
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Larissa Staurengo-Ferrari
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Sergio M Borghi
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Tiago H Zaninelli
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
| | - Fernando B Da Costa
- AsterBioChem Research Team, School of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, Brazil
| | - Jose C Alves-Filho
- Laboratory of Inflammation and Pain, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Thiago M Cunha
- Laboratory of Inflammation and Pain, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Fernando Q Cunha
- Laboratory of Inflammation and Pain, Department of Pharmacology, Ribeirão Preto Medical School, University of São Paulo, Ribeirão Preto, Brazil
| | - Rubia Casagrande
- Department of Pharmaceutical Sciences, Center of Health Sciences, Londrina State University, Londrina, Brazil
| | - Nilton S Arakawa
- Department of Pharmaceutical Sciences, Center of Health Sciences, Londrina State University, Londrina, Brazil
| | - Waldiceu A Verri
- Laboratory of Pain, Inflammation, Neuropathy, and Cancer, Department of Pathology, Londrina State University, Londrina, Brazil
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20
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Li Y, Cao X, Liu Y, Zhao Y, Herrmann M. Neutrophil Extracellular Traps Formation and Aggregation Orchestrate Induction and Resolution of Sterile Crystal-Mediated Inflammation. Front Immunol 2018; 9:1559. [PMID: 30034398 PMCID: PMC6043642 DOI: 10.3389/fimmu.2018.01559] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2018] [Accepted: 06/25/2018] [Indexed: 02/05/2023] Open
Abstract
The formation of neutrophil extracellular traps (NETs) to immobilize pathogens represents a novel antimicrobial strategy of the immune system. The microcrystals related to human diseases are classified into endogenous microcrystals, including monosodium urate (MSU), calcium pyrophosphate dihydrate, calcium carbonate, calcium phosphate, calcium oxalate, cholesterol, and exogenous material like crystals from silica. Although microcrystals possess distinct compositions and shapes, they have a common characteristic: they stimulate neutrophils to release NETs. In low and high densities, neutrophils form NETs and aggregated NETs (aggNETs) that reportedly orchestrate the initiation and resolution of sterile crystal-mediated inflammation, respectively. Here, we summarize the different roles of NETs and aggNETs stimulated by the crystals mentioned above in related inflammatory reactions. The NETosis-derived products may represent a potential therapeutic target in crystal-mediated diseases.
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Affiliation(s)
- Yanhong Li
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Xue Cao
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Yi Liu
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China
| | - Yi Zhao
- Department of Rheumatology and Immunology, West China Hospital, Sichuan University, Chengdu, China.,Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - Martin Herrmann
- Department of Internal Medicine 3, Rheumatology and Immunology, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
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21
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Hall CJ, Sanderson LE, Lawrence LM, Pool B, van der Kroef M, Ashimbayeva E, Britto D, Harper JL, Lieschke GJ, Astin JW, Crosier KE, Dalbeth N, Crosier PS. Blocking fatty acid-fueled mROS production within macrophages alleviates acute gouty inflammation. J Clin Invest 2018; 128:1752-1771. [PMID: 29584621 DOI: 10.1172/jci94584] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Accepted: 02/07/2018] [Indexed: 12/17/2022] Open
Abstract
Gout is the most common inflammatory arthritis affecting men. Acute gouty inflammation is triggered by monosodium urate (MSU) crystal deposition in and around joints that activates macrophages into a proinflammatory state, resulting in neutrophil recruitment. A complete understanding of how MSU crystals activate macrophages in vivo has been difficult because of limitations of live imaging this process in traditional animal models. By live imaging the macrophage and neutrophil response to MSU crystals within an intact host (larval zebrafish), we reveal that macrophage activation requires mitochondrial ROS (mROS) generated through fatty acid oxidation. This mitochondrial source of ROS contributes to NF-κB-driven production of IL-1β and TNF-α, which promote neutrophil recruitment. We demonstrate the therapeutic utility of this discovery by showing that this mechanism is conserved in human macrophages and, via pharmacologic blockade, that it contributes to neutrophil recruitment in a mouse model of acute gouty inflammation. To our knowledge, this study is the first to uncover an immunometabolic mechanism of macrophage activation that operates during acute gouty inflammation. Targeting this pathway holds promise in the management of gout and, potentially, other macrophage-driven diseases.
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Affiliation(s)
| | | | | | - Bregina Pool
- Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
| | | | | | | | - Jacquie L Harper
- Malaghan Institute for Medical Research, Wellington, New Zealand
| | - Graham J Lieschke
- Australian Regenerative Medicine Institute, Monash University, Victoria, Australia
| | | | | | - Nicola Dalbeth
- Department of Medicine, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand
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22
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Reber LL, Gaudenzio N, Starkl P, Galli SJ. Neutrophils are not required for resolution of acute gouty arthritis in mice. Nat Med 2018; 22:1382-1384. [PMID: 27923029 DOI: 10.1038/nm.4216] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Laurent L Reber
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.,Département d'Immunologie, Unité des Anticorps en Thérapie et Pathologie, Institut Pasteur, Paris, France.,Institut National de la Santé et de la Recherche Médicale, U1222, Paris, France
| | - Nicolas Gaudenzio
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, California, USA
| | - Philipp Starkl
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.,CeMM, Research Center for Molecular Medicine of the Austrian Academy of Sciences, and Department of Medicine I, Research Laboratory of Infection Biology, Medical University of Vienna, Vienna, Austria
| | - Stephen J Galli
- Department of Pathology, Stanford University School of Medicine, Stanford, California, USA.,Sean N. Parker Center for Allergy and Asthma Research, Stanford University School of Medicine, Stanford, California, USA.,Department of Microbiology and Immunology, Stanford University School of Medicine, Stanford, California, USA
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23
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Ma T, Liu X, Cen Z, Xin C, Guo M, Zou C, Song W, Xie R, Wang K, Zhou H, Zhang J, Wang Z, Bian C, Cui K, Li J, Wei YQ, Li J, Zhou X. MicroRNA-302b negatively regulates IL-1β production in response to MSU crystals by targeting IRAK4 and EphA2. Arthritis Res Ther 2018; 20:34. [PMID: 29482609 PMCID: PMC5828083 DOI: 10.1186/s13075-018-1528-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 01/26/2018] [Indexed: 02/05/2023] Open
Abstract
Background Interleukin-1β (IL-1β) is a pivotal proinflammatory cytokine that is strongly associated with the inflammation of gout. However, the underlying mechanism through which the production of IL-1β is regulated has not been fully elucidated. Our previous work identified that miR-302b had an important immune regulatory role in bacterial lung infections. This study was conducted to evaluate the function of miR-302b on monosodium urate (MSU) crystal-induced inflammation and its mechanism. Methods The expression pattern and the immune-regulatory role of miR-302b were evaluated both in vitro and in vivo. The functional targets of miR-302b were predicted by bioinformatics, and then validated by genetic approaches. In addition, the clinical feature of miR-302b was analyzed using serum samples of patients with gouty arthritis. Results The extremely high expression of miR-302b was observed in both macrophages and mouse air membranes treated with MSU. Intriguingly, overexpression of miR-302b regulated NF-κB and caspase-1 signaling, leading to significantly attenuate MSU-induced IL-1β. By genetic analysis, miR-302b exhibited inhibitory function on IRAK4 and EphA2 by binding to their 3′-UTR regions. Corporately silencing IRAK4 and EphA2 largely impaired MSU-induced IL-1β protein production. Moreover, it was also found that miR-302b and EphA2 suppressed the migration of macrophages. Finally, it was observed that high expression of miR-302b was a general feature in patients with gouty arthritis. Conclusions These results suggest that miR-302b can regulate IL-1β production in MSU-induced inflammation by targeting NF-κB and caspase-1 signaling, and may be a potential therapeutic target for gouty arthritis. Electronic supplementary material The online version of this article (10.1186/s13075-018-1528-9) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Teng Ma
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Xiao Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Zhifu Cen
- Department of Cardiovascular Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Chuan Xin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu, 610041, China
| | - Mingfeng Guo
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Chaoyu Zou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Wenpeng Song
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Rou Xie
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Kailun Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Hong Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Jun Zhang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Zhen Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Ce Bian
- Department of Obstetrics and Gynecology, West China Second Hospital, Sichuan University, Chengdu, 610041, China
| | - Kaijun Cui
- Department of Cardiovascular Medicine, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jiong Li
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Yu-Quan Wei
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China
| | - Jing Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China College of Stomatology, Sichuan University, Chengdu, 610041, China.
| | - Xikun Zhou
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University and Collaborative Innovation Center of Biotherapy, Chengdu, 610041, China.
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Liu X, Chia E, Shaw O, Martin WJ, Harper J. Rapid CCL2 Release by Membrane Stromal Cells Initiates Monosodium Urate Crystal-Induced Monocyte Recruitment in a Peritoneal Model of Gouty Inflammation. EUR J INFLAMM 2017. [DOI: 10.1177/1721727x1201000201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- X. Liu
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - E. Chia
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - O.M. Shaw
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - W-J. Martin
- Malaghan Institute of Medical Research, Wellington, New Zealand
| | - J.L. Harper
- Malaghan Institute of Medical Research, Wellington, New Zealand
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25
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Chen AY, Lü JM, Yao Q, Chen C. Entacapone is an Antioxidant More Potent than Vitamin C and Vitamin E for Scavenging of Hypochlorous Acid and Peroxynitrite, and the Inhibition of Oxidative Stress-Induced Cell Death. Med Sci Monit 2016; 22:687-96. [PMID: 26927838 PMCID: PMC4777242 DOI: 10.12659/msm.896462] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background Entacapone (ENT), a clinical drug for the treatment of Parkinson’s disease, has been shown to have antioxidant effects, but little is known about its antioxidant mechanisms. The objective of the current study was to determine the antioxidant activity of ENT against different species of oxidants and compared it with that of vitamin C and vitamin E. We also determined the effect of ENT on oxidative stress-induced cell death in human umbilical vein endothelial cells (HUVECs). Material/Methods The total antioxidant activities of ENT, vitamin C and vitamin E were determined with a standard DPPH-scavenging assay. Specific assays to determine ENT’s scavenging activity on hypochlorous acid (HOCl), peroxynitrite (ONOO−), and hydrogen peroxide (H2O2), and the chelating effect on Fe(II) were used. H2O2-induced cell death in HUVECs was determined with the MTT assay. Results ENT (10 and 20 μM) scavenged 60% and 83% of DPPH activity, respectively. These percentages were greater than those resulting from using the same concentrations of vitamin C and vitamin E. ENT’s HOCl-scavenging activity was concentration-dependent and 8 to 20 times stronger than those of vitamin C and vitamin E. ENT’s ONOO−-scavenging activity was 8% to 30% stronger than that of vitamin C. However, ENT, vitamin C, and vitamin E were not able to directly scavenge H2O2, and did not show any chelating effect on Fe(II). Importantly ENT, but not vitamin C or vitamin E, inhibited H2O2-induced cell death in HUVECs. Conclusions ENT is an antioxidant that can scavenge toxic HOCl and ONOO− species and inhibit oxidative stress-induced cell death more effectively than vitamin C and vitamin E. ENT may have new clinical applications as an antioxidant in the treatment of ROS-induced diseases including cardiovascular disease, cancer, and neurodegenerative diseases.
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Affiliation(s)
- Aaron Y Chen
- Division of Surgical Research, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Jian-Ming Lü
- Division of Surgical Research, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Qizhi Yao
- Division of Surgical Research, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
| | - Changyi Chen
- Division of Surgical Research, Michael E. DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX, USA
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26
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Vieira AT, Galvão I, Amaral FA, Teixeira MM, Nicoli JR, Martins FS. Oral treatment with Bifidobacterium longum 51A reduced inflammation in a murine experimental model of gout. Benef Microbes 2015; 6:799-806. [PMID: 26322542 DOI: 10.3920/bm2015.0015] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Gout is an acute inflammatory disease characterised by the presence of uric acid crystals in the joint. This event promotes neutrophil infiltration and activation that leads to tissue damage. We investigated here whether the oral administration of the probiotic strain Bifidobacterium longum 5(1A) (BL) could ameliorate monosodium urate crystal (MSU)-induced inflammation in a murine model of gout. Mice received oral administration of BL or saline daily for 7 days and then were injected with MSU in the knee cavity. Treatment with BL significantly alleviated the inflammatory parameters, as seen by reduced hypernociception, reduced neutrophil accumulation in the joint and myeloperoxidase activity in periarticular tissue. There was inhibition of the production of CXCL1 and interleukin(IL)-1β in joints. Levels of the anti-inflammatory cytokine IL-10 were significantly higher in the knee tissue of mice treated with than control mice injected with MSU. In conclusion, oral BL treatment reduced the inflammatory response in an experimental murine model of gout, suggesting it may be useful as an adjuvant treatment in patients with gout.
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Affiliation(s)
- A T Vieira
- 1 Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos 6627, C.P. 486, Pampulha-Campus UFMG, 31270-901, Belo Horizonte, MG, Brazil.,2 Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - I Galvão
- 2 Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - F A Amaral
- 2 Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - M M Teixeira
- 2 Department of Biochemistry and Immunology, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte, MG, Brazil
| | - J R Nicoli
- 1 Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos 6627, C.P. 486, Pampulha-Campus UFMG, 31270-901, Belo Horizonte, MG, Brazil
| | - F S Martins
- 1 Department of Microbiology, Institute of Biological Sciences, Federal University of Minas Gerais, Avenida Presidente Antônio Carlos 6627, C.P. 486, Pampulha-Campus UFMG, 31270-901, Belo Horizonte, MG, Brazil
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27
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Yen JH, Lin LC, Chen MC, Sarang Z, Leong PY, Chang IC, Hsu JD, Chen JH, Hsieh YF, Pallai A, Köröskényi K, Szondy Z, Tsay GJ. The metastatic tumor antigen 1-transglutaminase-2 pathway is involved in self-limitation of monosodium urate crystal-induced inflammation by upregulating TGF-β1. Arthritis Res Ther 2015; 17:65. [PMID: 25889736 PMCID: PMC4422600 DOI: 10.1186/s13075-015-0592-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2014] [Accepted: 02/26/2015] [Indexed: 12/18/2022] Open
Abstract
INTRODUCTION Transglutaminase 2 (TG2), a protein crosslinking enzyme with multiple biochemical functions, has been connected to various inflammatory processes. In this study, the involvement of TG2 in monosodium urate (MSU) crystal-induced inflammation was studied. METHODS Immunohistochemistry, reverse transcription-polymerase chain reaction (RT-PCR) were performed to detect TG2 expression in synovial fluid mononuclear cells (SFMCs) and synovial tissue from patients with gouty arthritis. MSU crystal-exposed RAW264.7 mouse macrophages were analyzed for interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α), transforming growth factor β1 (TGF-β1) and TG2 expression by RT-PCR and enzyme-linked immunosorbent assay (ELISA). TG2 small interfering (si)-RNA-mediated silencing and overexpression in RAW264.7 cells were used to evaluate the involvement of TG2 in resolving MSU crystal-induced inflammation. The role of metastatic tumor antigen 1 (MTA1), a master chromatin modifier, was investigated by MTA1 si-RNA-mediated knockdown. In addition, the inflammatory responses were followed in wild type and TG2 null mice after being challenged with MSU crystals in an in vivo peritonitis model. RESULTS TG2 expression was up-regulated in the synovium tissue and SFMCs from patients with gouty arthritis. The levels of MTA1, TG2, TGF-β1, IL-1β and TNF-α mRNAs were consistently increased in MSU crystal-stimulated RAW264.7 cells. si-MTA1 impaired the basal, as well as the MSU crystal-induced expression of TG2 and TGF-β1, but increased that of IL-1β and TNF-α. TG2 overexpression dramatically suppressed MSU crystal-induced IL-1β and TNF-α, but significantly enhanced the TGF-β1 production. Neutralizing TGF-β antibodies or inhibition of the crosslinking activity of TG2 attenuated these effects. On the contrary, loss of TG2 resulted in a reduced TGF-β, but in an increased IL-1β and TNF-α production in MSU crystal-stimulated RAW264.7 cells and mouse embryonic fibroblasts (MEFs). MSU crystal-stimulated IL-1β production was Janus kinase 2 (JAK2)-signaling dependent and TG2-induced TGF-β suppressed the activity of it. Finally, TG2-deficient mice exhibited hyper inflammatory responses after being challenged with MSU crystals in an in vivo peritonitis model. CONCLUSIONS These findings reveal an inherent regulatory role of the MTA1-TG2 pathway in the self-limitation of MSU crystal-induced inflammation via positively regulating the levels of active TGF-β1 in macrophages that opposes the MSU crystal-induced JAK2-dependent pro-inflammatory cytokine formation.
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Affiliation(s)
- Jia-Hau Yen
- Institute of Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.
| | - Ling-Chung Lin
- Institute of Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.
| | - Meng-Chi Chen
- Institute of Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.
| | - Zsolt Sarang
- Division of Dental Biochemistry, Department of Biochemistry and Molecular Biology, Research Center of Molecular Medicine, University of Debrecen, Debrecen, Hungary.
| | - Pui-Ying Leong
- Department of Internal Medicine, Chung Shan Medical University Hospital, No. 110, Section 1, Chien-Kuo N. Road, Taichung, Taiwan.
| | - I-Chang Chang
- Department of Orthopedic Surgery, Chung Shan Medical University Hospital, Taichung, Taiwan.
| | - Jeng-Dong Hsu
- Department of Pathology, Chung Shan Medical University Hospital, Taichung, Taiwan.
| | - Jiunn-Horng Chen
- Division of Immunology and Rheumatology, Department of Internal Medicine, China Medical University Hospital, Taichung, Taiwan.
| | - Yu-Fan Hsieh
- Institute of Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.
| | - Anna Pallai
- Division of Dental Biochemistry, Department of Biochemistry and Molecular Biology, Research Center of Molecular Medicine, University of Debrecen, Debrecen, Hungary.
| | - Krisztina Köröskényi
- Division of Dental Biochemistry, Department of Biochemistry and Molecular Biology, Research Center of Molecular Medicine, University of Debrecen, Debrecen, Hungary.
| | - Zsuzsa Szondy
- Division of Dental Biochemistry, Department of Biochemistry and Molecular Biology, Research Center of Molecular Medicine, University of Debrecen, Debrecen, Hungary.
| | - Gregory J Tsay
- Institute of Microbiology and Immunology, Chung Shan Medical University, Taichung, Taiwan.
- Department of Internal Medicine, Chung Shan Medical University Hospital, No. 110, Section 1, Chien-Kuo N. Road, Taichung, Taiwan.
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Kettle AJ, Albrett AM, Chapman AL, Dickerhof N, Forbes LV, Khalilova I, Turner R. Measuring chlorine bleach in biology and medicine. Biochim Biophys Acta Gen Subj 2013; 1840:781-93. [PMID: 23872351 DOI: 10.1016/j.bbagen.2013.07.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2013] [Revised: 07/08/2013] [Accepted: 07/09/2013] [Indexed: 11/28/2022]
Abstract
BACKGROUND Chlorine bleach, or hypochlorous acid, is the most reactive two-electron oxidant produced in appreciable amounts in our bodies. Neutrophils are the main source of hypochlorous acid. These champions of the innate immune system use it to fight infection but also direct it against host tissue in inflammatory diseases. Neutrophils contain a rich supply of the enzyme myeloperoxidase. It uses hydrogen peroxide to convert chloride to hypochlorous acid. SCOPE OF REVIEW We give a critical appraisal of the best methods to measure production of hypochlorous acid by purified peroxidases and isolated neutrophils. Robust ways of detecting it inside neutrophil phagosomes where bacteria are killed are also discussed. Special attention is focused on reaction-based fluorescent probes but their visual charm is tempered by stressing their current limitations. Finally, the strengths and weaknesses of biomarker assays that capture the footprints of chlorine in various pathologies are evaluated. MAJOR CONCLUSIONS Detection of hypochlorous acid by purified peroxidases and isolated neutrophils is best achieved by measuring accumulation of taurine chloramine. Formation of hypochlorous acid inside neutrophil phagosomes can be tracked using mass spectrometric analysis of 3-chlorotyrosine and methionine sulfoxide in bacterial proteins, or detection of chlorinated fluorescein on ingestible particles. Reaction-based fluorescent probes can also be used to monitor hypochlorous acid during phagocytosis. Specific biomarkers of its formation during inflammation include 3-chlorotyrosine, chlorinated products of plasmalogens, and glutathione sulfonamide. GENERAL SIGNIFICANCE These methods should bring new insights into how chlorine bleach is produced by peroxidases, reacts within phagosomes to kill bacteria, and contributes to inflammation. This article is part of a Special Issue entitled Current methods to study reactive oxygen species - pros and cons and biophysics of membrane proteins. Guest Editor: Christine Winterbourn.
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Affiliation(s)
- Anthony J Kettle
- Centre for Free Radical Research, Department of Pathology, University of Otago Christchurch, P.O. Box 4345, Christchurch, New Zealand.
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29
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Neutrophils, IL-1β, and gout: is there a link? Semin Immunopathol 2013; 35:501-12. [DOI: 10.1007/s00281-013-0361-0] [Citation(s) in RCA: 82] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2012] [Accepted: 01/09/2013] [Indexed: 01/09/2023]
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30
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Refractory gout attack. Case Rep Med 2012; 2012:657694. [PMID: 23304159 PMCID: PMC3523317 DOI: 10.1155/2012/657694] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2012] [Revised: 10/26/2012] [Accepted: 10/29/2012] [Indexed: 11/18/2022] Open
Abstract
Refractory gout attack is an uncommon problem, since gout flares are usually self-limited. This clinical condition is characterized by serum uric acid higher than 6 mg/Dl or continuous manifestations of recurrent flares, chronic arthritis, and increased tophi. We report in this paper a 69-year-old man with a polyarticular and protracted gout attack, despite usual treatment and low urate sera levels. In order to manage this problem, we reviewed gout pathophysiology and developed a therapeutic solution based on benzbromarone pharmacokinetics. We also review herein new options for gout treatment that could be used in similar cases.
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31
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Rothenbacher D, Kleiner A, Koenig W, Primatesta P, Breitling LP, Brenner H. Relationship between inflammatory cytokines and uric acid levels with adverse cardiovascular outcomes in patients with stable coronary heart disease. PLoS One 2012; 7:e45907. [PMID: 23029307 PMCID: PMC3448711 DOI: 10.1371/journal.pone.0045907] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Accepted: 08/27/2012] [Indexed: 11/20/2022] Open
Abstract
Background So far it is unclear whether the association between serum uric acid (SUA), inflammatory cytokines and risk of atherosclerosis is causal or an epiphenomenon. The aim of the project is to investigate the independent prognostic relationship of inflammatory markers and SUA levels with adverse cardiovascular outcomes in a patient population with stable coronary heart disease (CHD). Methods SUA, C-reactive protein (CRP) and interleukin (IL)-6 were measured at baseline in a cohort of 1,056 patients aged 30–70 years with CHD. Cox proportional hazards model was used to determine the prognostic value of these markers on a combined CVD endpoint during eight year follow-up after adjustment for covariates. Results For 1,056 patients with stable coronary heart disease aged 30–70 years (mean age 58.9 years, SD 8.0) follow-up information and serum measurements were complete and n = 151 patients (incidence 21.1 per 1000 patients years) experienced a fatal or non-fatal CVD event during follow-up (p-value = 0.05 for quartiles of SUA, p = 0.002 for quartiles of CRP, p = 0.13 for quartiles of IL-6 in Kaplan-Meier analysis). After adjustment for age, gender and hospital site the hazard ratio (HR) for SUA increased from 1.37 to 1.65 and 2.27 in the second, third, and top quartile, when compared to the bottom one (p for trend <0.0005). The HR for CRP increased from 0.85 to 0.98 and 1.64 in the respective quartiles (p for trend 0.02). After further adjustment for covariates SUA still showed a clear statistically significant relationship with the outcome (p for trend 0.045), whereas CRP did not (p for trend 0.10). Conclusion The data suggest that compared to inflammatory markers such as CRP and IL-6 serum uric acid levels may predict future CVD risk in patients with stable CHD with a risk increase even at levels considered normal.
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Malawista SE, de Boisfleury AC, Naccache PH. Inflammatory gout: observations over a half-century. FASEB J 2012; 25:4073-8. [PMID: 22131362 DOI: 10.1096/fj.11-1201ufm] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
This is a discussion of acute gouty arthritis, seen for over 50 years of engagement. It addresses the evolution of our current understanding of the interaction between urate crystals and key cellular components of the gouty inflammatory paroxysm, with new material on pathogenesis.
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Affiliation(s)
- Stephen E Malawista
- Department of Internal Medicine, Yale University School of Medicine, P.O. Box 208031, 300 Cedar St., New Haven, CT 06520-8031, USA.
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Shaw OM, Harper JL. Bradykinin receptor 2 extends inflammatory cell recruitment in a model of acute gouty arthritis. Biochem Biophys Res Commun 2011; 416:266-9. [PMID: 22079285 DOI: 10.1016/j.bbrc.2011.10.137] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2011] [Accepted: 10/28/2011] [Indexed: 12/21/2022]
Abstract
The aim of this study was determine the effect of bradykinin receptor antagonism on MSU crystal-induced chemokine production and leukocyte recruitment. Mice were injected intraperitoneally with monosodium urate (MSU) crystals ± bradykinin B1- or B2 receptor antagonists, Des-Arg-HOE-140 and HOE-140, respectively. MSU crystal-induced chemokine production and leukocyte recruitment in the peritoneum were measured over 24h and B1 and B2 receptor expression on leukocytes and peritoneal membrane was determined by flow cytometry and fluorescence microscopy. Data analysis showed that only B2 receptor antagonism decreased monocyte and neutrophil infiltration 24 h post MSU crystal administration. Decreased leukocyte infiltration was associated with reduced monocyte (CCL2) chemokine levels. MSU crystal-induced damage to the surrounding visceral membrane was also attenuated in the presence of B2 receptor antagonism. Together, these data show that bradykinin receptor 2 plays a role in maintaining MSU crystal-induced leukocyte infiltration and membrane permeability and identify the B2 receptor as a potential therapeutic target for managing inflammation in gout.
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Affiliation(s)
- Odette M Shaw
- Malaghan Institute of Medical Research, Wellington, New Zealand
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Martin WJ, Shaw O, Liu X, Steiger S, Harper JL. Monosodium urate monohydrate crystal-recruited noninflammatory monocytes differentiate into M1-like proinflammatory macrophages in a peritoneal murine model of gout. ACTA ACUST UNITED AC 2011; 63:1322-32. [PMID: 21538316 DOI: 10.1002/art.30249] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE To profile monosodium urate monohydrate (MSU) crystal-recruited monocyte inflammatory function during the course of in vivo differentiation, in a murine model of peritoneal MSU crystal-induced inflammation. METHODS C57BL/6J mice were injected intraperitoneally with MSU crystals, and the peritoneal cells were harvested at different time points. The MSU crystal-recruited monocyte/macrophage population was analyzed for the expression of differentiation and activation markers, cytokine production following MSU crystal restimulation ex vivo and in vivo, expression of NLRP3-associated proteins (ASC, caspase 1) and pro-interleukin-1β (proIL-1β), and phagocytic capacity. RESULTS Monocytes recruited 8 hours after MSU crystal stimulation (F4/80(low) Gr-1(int) 7/4+) exhibited poor phagocytic capacity, expressed low levels of proIL-1β, and failed to produce proinflammatory cytokines in response to MSU crystal restimulation. In the absence of MSU crystal restimulation, differentiating monocytes produced low levels of transforming growth factor β1 ex vivo, and this was abrogated following MSU crystal restimulation. Over time these cells developed a proinflammatory phenotype in vivo, characterized by the production of IL-1β, tumor necrosis factor α, IL-6, CCL2 (monocyte chemotactic protein 1), and CXCL1 (cytokine-induced neutrophil chemoattractant) following ex vivo MSU crystal restimulation, and leading to IL-1β production and cell infiltration following MSU crystal rechallenge in vivo. Proinflammatory function was associated with differentiation toward a macrophage phenotype (F4/80(high) Gr-1-7/4-), an increase in phagocytic capacity, and an increase in the expression of proIL-1β. CONCLUSION MSU crystal-recruited monocytes differentiate into proinflammatory M1-like macrophages in vivo. This proinflammatory macrophage phenotype is likely to play a key role in perpetuating inflammation in gouty arthritis in the presence of ongoing deposition of fresh MSU crystals.
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Ea HK. [Mechanisms of gout inflammation]. Presse Med 2011; 40:836-43. [PMID: 21684103 DOI: 10.1016/j.lpm.2011.03.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2011] [Revised: 03/15/2011] [Accepted: 03/22/2011] [Indexed: 01/14/2023] Open
Abstract
Gout inflammation is an acute and self-resolving reaction. MSU crystals can stimulate cells through either crystal-cell membrane interaction or after their phagocytosis. The onset of gout inflammation relies on non-hematopoietic resident cells whereas the amplification of the reaction is driven by phagocytic cells of immune innate system. Interleukin-1β (IL-1β) and polynuclear neutrophils play central role in gout inflammation. In vitro, MSU crystal-induced IL-1β secretion is secondary mainly to NLRP3 inflammasome activation although numerous proteases are also involved. Mechanisms of NLRP3 inflammasome activation remain unclear involving mostly reactive oxygen species production. Gout resolution involves several mechanisms including monocyte differentiation into macrophage, clearance of apoptotic neutrophils by macrophages, production of Transforming Growth Factor (TGF-β) and modification of protein coating on MSU crystal surface.
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Affiliation(s)
- Hang-Korng Ea
- Assistance-publique-Hôpitaux de Paris, hôpital Lariboisière, fédération de rhumatologie, pôle locomoteur, centre Viggo-Petersen, Inserm U606 (IFR139), Paris, France; Université médecine Paris 7, Paris, France.
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Current World Literature. Curr Opin Rheumatol 2011; 23:219-26. [DOI: 10.1097/bor.0b013e3283448536] [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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Rothenbacher D, Primatesta P, Ferreira A, Cea-Soriano L, Rodriguez LAG. Frequency and risk factors of gout flares in a large population-based cohort of incident gout. Rheumatology (Oxford) 2011; 50:973-81. [DOI: 10.1093/rheumatology/keq363] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Dubchak N, Falasca GF. New and improved strategies for the treatment of gout. Int J Nephrol Renovasc Dis 2010; 3:145-66. [PMID: 21694941 PMCID: PMC3108771 DOI: 10.2147/ijnrd.s6048] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2010] [Indexed: 12/16/2022] Open
Abstract
The Western world appears to be in the midst of the third great gout epidemic of all time. In this century, gout is increasing in prevalence despite an increased understanding of its risk factors and pathophysiology, and the availability of reasonably effective treatment. The main cultural factors responsible for this appear to be diet, obesity, ethanol use and medications. Excess fructose consumption is a newly recognized modifiable risk factor. The debate has been renewed concerning hyperuricemia as an independent risk factor for renal insufficiency and cardiovascular disease. Prevention is still rooted in lifestyle choices. Existing treatments have proven to be unsatisfactory in many patients with comorbidities. New treatments are available today and on the horizon for tomorrow, which offer a better quality of life for gout sufferers. These include febuxostat, a nonpurine inhibitor of xanthine oxidase with a potentially better combination of efficacy and safety than allopurinol, and investigational inhibitors of URAT-1, an anion exchanger in the proximal tubule that is critical for uric acid homeostasis. New abortive treatments include interleukin-1 antagonists that can cut short the acute attack in 1 to 2 days in persons who cannot take nonsteroidal anti-inflammatory drugs, colchicine or corticosteroids. Lastly, newer formulations of uricase have the ability to dissolve destructive tophi over weeks or months in patients who cannot use currently available hypouricemic agents. Diagnostically, ultrasound and magnetic resonance imaging offer advanced ways to diagnose gout noninvasively, and just as importantly, a way to follow the progress of tophus dissolution. The close association of hyperuricemia with metabolic syndrome, hypertension and renal insufficiency ensures that nephrologists will see increasing numbers of gout-afflicted patients.
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Affiliation(s)
- Natalie Dubchak
- Division of Rheumatology, Cooper University Hospital, UMDNJ – Robert Wood Johnson Medical School at Camden, Camden, NJ, USA
| | - Gerald F Falasca
- Division of Rheumatology, Cooper University Hospital, UMDNJ – Robert Wood Johnson Medical School at Camden, Camden, NJ, USA
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Abstract
Gout is a common metabolic disorder characterized by elevated uric acid leading to the formation and accumulation of uric acid crystals in synovial fluids. An attack of gout is characterized by intense, self-limited bouts of acute arthritis with excruciating pain. The mechanisms regulating initiation and resolution of gouty inflammation are still unclear. A significant though incomplete body of information implicating the innate immune system as a central component of immune and inflammatory cell activation in gout has been accumulated over the past few years. In this review, advances in the understanding of the basic biology of crystal-mediated inflammation are summarized. The emerging role of the inflammasome and the cytokine interleukin-1 in the initiation of acute gout is highlighted. How these findings may open a door to a new approach for therapy with the development of interleukin-1 antagonists is discussed.
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