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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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Wang T, Zhang C, Zhou M, Zhou H, Zhang X, Liu H, Bai M, Xu Y, Yang F, Zhu F, Hao Q, Zhang T, Song S, Qi H, Liu Y. CD8 T cell-derived perforin regulates macrophage-mediated inflammation in a murine model of gout. Clin Rheumatol 2024; 43:2027-2034. [PMID: 38625643 DOI: 10.1007/s10067-024-06964-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 03/29/2024] [Accepted: 04/08/2024] [Indexed: 04/17/2024]
Abstract
OBJECTIVES Gout is characterized by hyperuricemia and recurrent inflammatory episodes caused by intra-articular crystal deposition of monosodium urate (MSU). There is a clear relationship between gout and metabolic syndrome. Recent evidence indicates that perforin plays a role in regulating glucose homeostasis and provides protection in diet-induced non-alcoholic steatohepatitis models. However, the impact of perforin on immune inflammation in gout remains unclear. METHODS We induced acute gout models in both wild-type (WT) mice and Prf1null mice by administering intra-articular injections of MSU crystals. We compared the ankle joint swelling and the histological score between the two groups. Furthermore, we investigated underlying mechanisms through in vitro co-culture experiments involving CD8 T cells and macrophages. RESULTS In this study, Prf1null mice showed significantly more pronounced ankle swelling with increased inflammatory cell infiltrations compared with WT mice 24 h after local MSU injection. Moreover, MSU-induced Prf1null mice exhibited increased accumulation of CD8 T cells but not NK cells. Perforin-deficient CD8 T cells displayed reduced cytotoxicity towards bone marrow-derived M0 and M1 macrophages and promoted TNF-α secretion from macrophage. CONCLUSIONS Perforin from CD8 T cells limits joint inflammation in mice with acute gout by downregulating macrophage-mediated inflammation. Key Points • Perforin deficiency increased swelling in the ankle joints of mice upon MSU injection. • Perforin deficiency is associated with increased immune cell recruitment and severe joint damage in gout. • Perforin regulated CD8 T cell accumulation in gout and promoted CD8 T cell cytotoxicity towards M0 and M1 macrophages. • CD8 T cell-derived perforin regulated pro-inflammatory cytokine secretion of macrophage.
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Affiliation(s)
- Tianqi Wang
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Chunpan Zhang
- Department of Infectious Diseases, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Mingzhu Zhou
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Hang Zhou
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Xia Zhang
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Huilan Liu
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Mingxin Bai
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Yuetong Xu
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Fan Yang
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Fengyunzhi Zhu
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Qiyuan Hao
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Tong Zhang
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Shuju Song
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Haiyu Qi
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China
| | - Yanying Liu
- Department of Rheumatology and Immunology, Beijing Friendship Hospital, Capital Medical University, 95th, Yongan Road, Beijing, 100050, China.
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Mahomoodally MF, Coodian K, Hosenally M, Zengin G, Shariati MA, Abdalla AN, Alhazmi HA, Khuwaja G, Mohan S, Khalid A. Herbal remedies in the management of hyperuricemia and gout: A review of in vitro, in vivo and clinical evidences. Phytother Res 2024. [PMID: 38655878 DOI: 10.1002/ptr.8211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 03/31/2024] [Accepted: 04/02/2024] [Indexed: 04/26/2024]
Abstract
Gout, or hyperuricemia is a multifactorial and multi-faceted metabolic disease that is quite difficult to manage and/or treat. Conventional therapies such as non-steroidal anti-inflammatory drugs (NSAIDs) such as allopurinol, corticosteroids and colchicine amongst others, have helped in its management and treatment to some extent. This study aimed to compile and analyze the different herbal remedies used in the management of hyperuricemia and gout. A literature search was conducted from key databases (PubMed, ScienceDirect, Cochrane Library, Google Scholar) using relevant keywords via the PRISMA model. Smilax riparia A.DC. from Traditional Chinese Medicine is used in many countries for its therapeutic effect on lowering serum urate levels. No single study was able to establish the efficacy of a specific traditionally used herb via in vitro, in vivo, and clinical studies. Patients were found to use a panoply of natural remedies, mainly plants to treat hyperuricemia and gout, which have been validated to some extent by in vitro, in vivo, and clinical studies. Nonetheless, further research is needed to better understand the ethnopharmacological relationship of such herbal remedies.
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Affiliation(s)
- Mohamad Fawzi Mahomoodally
- Institute of Research and Development, Duy Tan University, Da Nang, Vietnam
- School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam
| | - Kaisavadee Coodian
- Department of Health Sciences, Faculty of Medicine and Health Sciences, University of Mauritius, Réduit, Mauritius
| | - Muzzammil Hosenally
- Department of Economics and Statistics, Faculty of Social Sciences & Humanities, University of Mauritius, Réduit, Mauritius
| | - Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk University, Konya, Turkey
| | - Mohammad Ali Shariati
- Semey Branch of the Institute, Kazakh Research Institute of Processing and Food Industry, Almaty, Kazakhstan
| | - Ashraf N Abdalla
- Department of Pharmacology and Toxicology, College of Pharmacy, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Hassan A Alhazmi
- Substance Abuse and Toxicology Research Center, Jazan University, Jazan, Saudi Arabia
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Gulrana Khuwaja
- Department of Pharmaceutical Chemistry and Pharmacognosy, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Syam Mohan
- Substance Abuse and Toxicology Research Center, Jazan University, Jazan, Saudi Arabia
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun, India
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, Jazan, Saudi Arabia
- Medicinal and Aromatic Plants and Traditional Medicine Research Institute, National Center for Research, Khartoum, Sudan
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Kim YJ, Kim S, Seo JH, Cho SK. Prevalence and Associations Between Metabolic Syndrome Components and Hyperuricemia by Race: Findings From US Population, 2011-2020. Arthritis Care Res (Hoboken) 2024. [PMID: 38561984 DOI: 10.1002/acr.25338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 03/15/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
OBJECTIVE We explored the trend in prevalence of hyperuricemia and metabolic syndrome in US populations and investigated associations between components of metabolic syndrome and hyperuricemia by race. METHODS We analyzed data from the four most recent National Health and Nutrition Examination Survey (NHANES) cycles (2011 to March 2020), comprising 10,175 participants. Hyperuricemia is defined as serum urate >7.0 mg/dL (men) or >5.7 mg/dL (women), following the NHANES-III guideline. The definition of metabolic syndrome follows the National Cholesterol Education Program's Adult Treatment Panel III guideline. We estimated the prevalence of metabolic syndrome and hyperuricemia in each cycle and performed subgroup analyses with logistic regression to investigate the patterns of associated components of metabolic syndrome with hyperuricemia. RESULTS In the most recent cycle (2017 to March 2020), the prevalence of metabolic syndrome was 45.9% and that of hyperuricemia was 20.7%. Over the 2011 to 2020 period, a significant rise in metabolic syndrome prevalence was observed among Hispanic and Asian populations, and the prevalence of hyperuricemia has increased significantly only in the Hispanic population. After adjustment for confounding factors, patients with metabolic syndrome exhibited a higher hyperuricemia in women than in men. Elevated blood pressure was the strongest factor with hyperuricemia. The association was the weakest in the Asian population. Waist circumference was the only significant factor associated with hyperuricemia in the Asian population. CONCLUSION The prevalence of metabolic syndrome has an increasing pattern, but there was no specific decadal trend in prevalence of hyperuricemia. There is an ethnicity-specific association of metabolic syndrome and hyperuricemia, especially among Asians.
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Affiliation(s)
- Yun Jin Kim
- Department of Pharmacology, Ajou University School of Medicine, Suwon, South Korea
| | - Sunghwan Kim
- Department of Pharmacology, Ajou University School of Medicine, Suwon, South Korea
| | - Ji Hwan Seo
- Department of Pharmacology, Ajou University School of Medicine, Suwon, South Korea
| | - Sung Kweon Cho
- Department of Pharmacology, Ajou University School of Medicine, Suwon, South Korea
- Basic Research Laboratory, Center for Cancer Research, National Cancer Institute, Frederick, Maryland
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Yu Y, Yang X, Hu G, Tong K, Yin Y, Yu R. Effect of tea intake on genetic predisposition to gout and uric acid: a Mendelian randomization study. Front Endocrinol (Lausanne) 2024; 14:1290731. [PMID: 38440060 PMCID: PMC10911082 DOI: 10.3389/fendo.2023.1290731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/26/2023] [Indexed: 03/06/2024] Open
Abstract
Objective The effect of tea on gout and uric acid is still controversial. This study aims to analyze the effect of tea intake on genetic predisposition to gout, idiopathic gout, gout due to impairment of renal function as well as uric acid by Mendelian randomization (MR). Methods Forty independent single nucleotide polymorphisms (SNPs) associated with tea intake were selected from UK Biobank. SNPs for uric acid were obtained from BioBank Japan, SNPs for gout were obtained from UK Biobank, and SNPs for gout due to impairment of renal function and idiopathic gout were derived from FinnGen. The causal relationship of exposure-outcome was tested using inverse variance weighted, MR-Egger and weighted median. MR-Egger intercept was employed to assess horizontal pleiotropy, Cochran's Q test was used to assess heterogeneity, and leave-one-out sensitivity analysis was utilized to analyze the stability of the results. Results The results of MR analysis showed that tea intake was negatively associated with gout due to impairment of renal function (OR 0.997, 95% CI 0.994 to 0.999, P = 0.017), whereas there was no causal association with gout, idiopathic gout, and uric acid (P > 0.05), for which sensitivity analysis suggested that these results were robust. Conclusions There was a genetic predisposition effect of increased tea intake on the reduced risk of gout due to impairment of renal function, whereas there was no such effect on gout, idiopathic gout, and uric acid. Tea intake may become an important option in the dietary treatment of gout due to impairment of renal function.
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Affiliation(s)
- Yunfeng Yu
- Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Xinyu Yang
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Gang Hu
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Keke Tong
- Department of Gastroenterology, The Hospital of Hunan University of Traditional Chinese Medicine, Changde, Hunan, China
| | - Yuman Yin
- College of Chinese Medicine, Hunan University of Chinese Medicine, Changsha, Hunan, China
| | - Rong Yu
- Department of Endocrinology, The First Hospital of Hunan University of Chinese Medicine, Changsha, Hunan, China
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Yuan J, Xie Z, Pan B, Zhang J. Impact of gout on cardiovascular disease mortality: a meta-analysis. Z Rheumatol 2024:10.1007/s00393-024-01479-x. [PMID: 38302663 DOI: 10.1007/s00393-024-01479-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/28/2023] [Indexed: 02/03/2024]
Abstract
BACKGROUND Several epidemiological studies have suggested that gout patients have a higher risk of cardiovascular disease mortality than healthy people. In contrast, the association between gout and cardiovascular disease (CVD) mortality was not obvious in other studies. In the present study, we aimed to investigate the relative risk for CVD mortality in gout patients in comparison to healthy controls. METHODS Literature published before March 2023 was searched in Google Scholar, PubMed, and the Web of Science. We summarized the impact of gout on CVD mortality with a meta-analysis. Hazard ratios (HRs) and 95% confidence intervals (CIs) regarding the impact of gout on CVD mortality were summarized with STATA 12.0 software. RESULTS Compared to individuals without gout, those with gout had higher mortality risks for CVD during follow-up, with a random effects model showing a risk of 1.30 (95% CI 1.15 to 1.48, p < 0.001; p-value for Cochran Q test < 0.001, I2 = 95.9%). Similarly, subjects with gout had a mortality risk of 1.28 (95% CI 1.12 to 1.46, p < 0.001; p-value for Cochran Q test = 0.050, I2 = 50.2%) for coronary heart disease (CHD) mortality during follow-up using the same statistical model. Furthermore, using a fixed effects model, individuals with gout had a mortality risk of 1.13 (95% CI 1.00 to 1.27, p = 0.049; p-value for Cochran Q test = 0.494, I2 = 0.0%) for myocardial infarction (MI) mortality during follow-up. CONCLUSION In conclusion, this meta-analysis provides evidence supporting a markedly increased mortality risk from CVD and CHD as well as MI in patients with gout relative to reference subjects without gout.
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Affiliation(s)
- Jielin Yuan
- The Second Nanning People's Hospital, The Third Affiliated Hospital of Guangxi Medical University, No.13 Dancun Road, Jiangnan District, 530031, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Zhitao Xie
- The Second Nanning People's Hospital, The Third Affiliated Hospital of Guangxi Medical University, No.13 Dancun Road, Jiangnan District, 530031, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Bo Pan
- The Second Nanning People's Hospital, The Third Affiliated Hospital of Guangxi Medical University, No.13 Dancun Road, Jiangnan District, 530031, Nanning, Guangxi Zhuang Autonomous Region, China
| | - Jingchang Zhang
- The Second Nanning People's Hospital, The Third Affiliated Hospital of Guangxi Medical University, No.13 Dancun Road, Jiangnan District, 530031, Nanning, Guangxi Zhuang Autonomous Region, China.
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Jeon HK, Yoo HY. Single-nucleotide polymorphisms link gout with health-related lifestyle factors in Korean cohorts. PLoS One 2023; 18:e0295038. [PMID: 38060535 PMCID: PMC10703335 DOI: 10.1371/journal.pone.0295038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 11/14/2023] [Indexed: 12/18/2023] Open
Abstract
Gout-a very painful inflammatory arthritis caused by the deposition of monosodium urate crystals in the joints-is influenced by several factors. We identified the association of single- nucleotide polymorphisms (SNPs) that link gout with health-related lifestyle factors using genomic data from the Korean Genome and Epidemiology Study. We conducted a genome-wide association study (GWAS) on 18,927 samples of 438 Korean patients with gout and 18,489 controls for the discovery stage. For the replication stage, another batch containing samples of 326 patients with gout and 2,737 controls were analyzed. Lastly, a meta-analysis was performed using these two cohorts. We analyzed the effects of health-related lifestyle factors, including eating habits, physical activity, drinking behavior, and smoking behavior, on gout. After identifying the association between GWAS-derived SNPs and health-related lifestyle factors, we confirmed the interaction between the polygenic risk score (PRS) and health-related lifestyle factors. We identified 15 SNPs related to gout, among which rs1481012 of ABCG2 located on chromosome 4 has been newly discovered (P = 2.46e-11). On examining the interaction between SNPs and health-related lifestyles, rs3109823-located in ABCG2-was found to be associated with smoking status. In addition, rs11936395-located in SLC2A9-was significantly associated with the average momentum of exercise per session, whereas rs11066325 located in PTPN11, showed a significant association with the number of exercise sessions per week, smoking status, drinking status, and amount of soju drink per session. rs9421589-located in FAM35A-was significantly associated with the duration of smoking. In addition, we verified that the association between PRS and duration of smoking affects gout. Thus, in this study, we identified novel SNPs that link gout with health-related lifestyle factors in the Korean population.
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Affiliation(s)
- Hye Kyung Jeon
- Department of Nursing, Ansan University, Gyeonggi-do, Korea
| | - Hae Young Yoo
- Department of Nursing, Chung-Ang University, Seoul, Korea
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Yang X, Wang Y, Ding X, Ju S, An X, Zhang B, Lin Z. Network pharmacology identification and in vivo validation of key pharmacological pathways of Qin Jiao for gout and arthritis. PHARMACEUTICAL BIOLOGY 2023; 61:1525-1535. [PMID: 38069821 PMCID: PMC11001277 DOI: 10.1080/13880209.2023.2288289] [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: 01/09/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023]
Abstract
Context: Gout is a chronic disease that imposes a huge financial and health burden on patients, which might diminish quality of life. Qin Jiao, a perennial herb found in northwestern China and Japan, is commonly used for treating various ailments.Objective: This study investigates the effects of Qin Jiao on gout and joint inflammation and elucidates its potential mechanism for gouty arthritis.Materials and methods: Study 1, a literature review was conducted using PubMed, Web of Science, and CNKI to assess the applications of Qin Jiao in arthritis treatment. Study 2 was performed to discover the component targets and gouty disease targets via TCMSP, OMIM, GeneCards and DRUGBANK, and network pharmacology analysis. Study 3, male Sprague-Dawley (SD) rats were divided into normal, model, colchicine, Qin Jiao low-dose (QJL), and Qin Jiao high-dose group (QJH), oral gavage for 40 d. Serum, synovial fluid, and synovial membrane tissue were collected to measure the expression levels of IL-1β, IL-6, and STAT3.Results: The research also identified potential targets and pharmacological pathways of Qin Jiao for gout treatment. In vivo study demonstrated Qin Jiao can reduce IL-1β levels in serum and ankle flushing fluid. ELISA analysis confirmed that Qin Jiao significantly reduces the protein expression of IL-6 and STAT3.Discussion and conclusion: Qin Jiao exerts anti-inflammatory effects on gouty arthritis by modulating the IL-6/STAT3 pathway. This study provides a biological basis for the use of Qin Jiao in treating arthritis-related diseases and offers experimental evidence for potential future drug development.
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Affiliation(s)
- Xiaoxiong Yang
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
| | - Yu Wang
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
| | - Xueli Ding
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
| | - Shanshan Ju
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
| | - Xiaoye An
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
| | - Bing Zhang
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
- Research Center for Pharmacovigilance and Rational Use of Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
| | - Zhijian Lin
- Department of Clinical Chinese Pharmacy, School of Chinese Pharmacy, Beijing University of Chinese Medicine, Beijing, China
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Al-Shargi A, El Kholy AA, Adel A, Hassany M, Shaheen SM. Allopurinol versus Febuxostat: A New Approach for the Management of Hepatic Steatosis in Metabolic Dysfunction-Associated Steatotic Liver Disease. Biomedicines 2023; 11:3074. [PMID: 38002074 PMCID: PMC10669273 DOI: 10.3390/biomedicines11113074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/04/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Metabolic dysfunction-associated steatotic liver disease (MASLD) includes patients with hepatic steatosis and at least one of five cardiometabolic risk factors. Xanthine oxidase (XO) represents a treatment target for MASLD. We aimed to evaluate the effect of two xanthine oxidase inhibitors, allopurinol and febuxostat, plus lifestyle modifications compared to lifestyle modifications alone on improving steatosis. Ninety MASLD patients were assigned to one of three groups for three months. Patients with hyperuricemia were given either allopurinol 100 mg or febuxostat 40 mg daily, along with lifestyle modifications. The third control group was only given lifestyle modifications, excluding all patients with hyperuricemia due to ethical concerns. The primary outcome was to measure the change in the controlled attenuation parameter (CAP) score as an indicator of steatosis from baseline after three months. The secondary outcome was to measure the change in serum uric acid (SUA) three months from baseline. The study found that the CAP score decreased significantly in the allopurinol group (p = 0.009), but the decline in the febuxostat or lifestyle groups was non-significant (p = 0.189 and 0.054, respectively). The SUA levels were significantly reduced in both the allopurinol and febuxostat groups (p < 0.001), with no statistical difference between the two groups (p = 0.496).
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Affiliation(s)
- Amani Al-Shargi
- Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo 4393005, Egypt; (A.A.E.K.); (S.M.S.)
| | - Amal A. El Kholy
- Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo 4393005, Egypt; (A.A.E.K.); (S.M.S.)
| | - Abdulmoneim Adel
- National Hepatology and Tropical Medicine Research Institute (NHTMRI), Cairo 4260010, Egypt; (A.A.); (M.H.)
| | - Mohamed Hassany
- National Hepatology and Tropical Medicine Research Institute (NHTMRI), Cairo 4260010, Egypt; (A.A.); (M.H.)
| | - Sara M. Shaheen
- Department of Clinical Pharmacy, Faculty of Pharmacy, Ain Shams University, Cairo 4393005, Egypt; (A.A.E.K.); (S.M.S.)
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Vasquez M, Sica M, Namazzi R, Opoka RO, Sherman J, Datta D, Duran-Frigola M, Ssenkusu JM, John CC, Conroy AL, Rodriguez A. Xanthine oxidase levels and immune dysregulation are independently associated with anemia in Plasmodium falciparum malaria. Sci Rep 2023; 13:14720. [PMID: 37679382 PMCID: PMC10484935 DOI: 10.1038/s41598-023-41764-4] [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: 04/18/2023] [Accepted: 08/31/2023] [Indexed: 09/09/2023] Open
Abstract
Severe anemia is an important contributor to mortality in children with severe malaria. Anemia in malaria is a multi-factorial complication, since dyserythropoiesis, hemolysis and phagocytic clearance of uninfected red blood cells (RBCs) can contribute to this syndrome. High levels of oxidative stress and immune dysregulation have been proposed to contribute to severe malarial anemia, facilitating the clearance of uninfected RBCs. In a cohort of 552 Ugandan children with severe malaria, we measured the levels of xanthine oxidase (XO), an oxidative enzyme that is elevated in the plasma of malaria patients. The levels of XO in children with severe anemia were significantly higher compared to children with severe malaria not suffering from severe anemia. Levels of XO were inversely associated with RBC hemoglobin (ρ = - 0.25, p < 0.0001), indicating a relation between this enzyme and severe anemia. When compared with the levels of immune complexes and of autoimmune antibodies to phosphatidylserine, factors previously associated with severe anemia in malaria patients, we observed that XO is not associated with them, suggesting that XO is associated with severe anemia through an independent mechanism. XO was associated with prostration, acidosis, jaundice, respiratory distress, and kidney injury, which may reflect a broader relation of this enzyme with severe malaria pathology. Since inhibitors of XO are inexpensive and well-tolerated drugs already approved for use in humans, the validation of XO as a contributor to severe malarial anemia and other malaria complications may open new possibilities for much needed adjunctive therapy in malaria.
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Affiliation(s)
- Marilyn Vasquez
- New York University School of Medicine, 430E 29th St, New York, NY, 10016, USA
| | - Margaux Sica
- New York University School of Medicine, 430E 29th St, New York, NY, 10016, USA
| | - Ruth Namazzi
- Department of Paediatrics, Makerere University College of Health Sciences, Kampala, Uganda
- Global Health Uganda, Kampala, Uganda
| | - Robert O Opoka
- Department of Paediatrics, Makerere University College of Health Sciences, Kampala, Uganda
- Global Health Uganda, Kampala, Uganda
| | - Julian Sherman
- New York University School of Medicine, 430E 29th St, New York, NY, 10016, USA
| | - Dibyadyuti Datta
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Center for Global Health, Indiana University, Indianapolis, IN, 46202, USA
| | | | - John M Ssenkusu
- Department of Epidemiology and Biostatistics, Makerere University School of Public Health, Kampala, Uganda
| | - Chandy C John
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Center for Global Health, Indiana University, Indianapolis, IN, 46202, USA
| | - Andrea L Conroy
- Ryan White Center for Pediatric Infectious Disease and Global Health, Indiana University School of Medicine, Indianapolis, IN, 46202, USA
- Center for Global Health, Indiana University, Indianapolis, IN, 46202, USA
| | - Ana Rodriguez
- New York University School of Medicine, 430E 29th St, New York, NY, 10016, USA.
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11
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Lim S, Liem B. First Metatarsophalangeal Joint Pain in Athletes: Diagnosis, Management, and Return to Play Considerations. Curr Sports Med Rep 2023; 22:217-223. [PMID: 37294197 DOI: 10.1249/jsr.0000000000001076] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
ABSTRACT The first metatarsal-phalangeal joint plays a key role for athletes of various disciplines. When an athlete presents for evaluation of pain at this joint, there are several causes that should be considered. The purpose of this article is to review common injuries including turf toe, sand toe, extensor and flexor hallucis longus tendinopathy, sesamoiditis, and metatarsalgia and provide current evidence-based recommendations for diagnosis, management, and return to play considerations. Conditions not specific to athletes like gout and hallux rigidus also are discussed. Mechanism of injury, physical examination, and imaging such as weight-bearing radiographs and point-of-care ultrasound can help with diagnosis. Treatment of many of these injuries begins with nonsurgical management strategies including footwear or activity modification, physical therapy, and select interventions.
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Affiliation(s)
- Sara Lim
- Department of Rehabilitation Medicine, University of Washington, Seattle, WA
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12
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Hou SW, Chen SJ, Shen JD, Chen HY, Wang SJ, Wang CH, Man KM, Liu PL, Tsai MY, Chen YH, Chen WC. Emodin, a Natural Anthraquinone, Increases Uric Acid Excretion in Rats with Potassium Oxonate-Induced Hyperuricemia. Pharmaceuticals (Basel) 2023; 16:789. [PMID: 37375737 DOI: 10.3390/ph16060789] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/09/2023] [Accepted: 05/23/2023] [Indexed: 06/29/2023] Open
Abstract
The treatment of hyperuricemia and gout is mostly based on lowering serum uric acid levels using drugs, such as allopurinol, or increasing urinary excretion of uric acid. However, some patients still experience adverse reactions to allopurinol and turn to Chinese medicine as an alternative. Therefore, it is crucial to design a preclinical study to obtain more convincing data on the treatment of hyperuricemia and gout with Chinese medicine. This study aimed to explore the therapeutic effect of emodin, a Chinese herbal extract, in a rat model of hyperuricemia and gout. In this study, we used 36 Sprague-Dawley rats, which were randomly divided into six groups for experimentation. Hyperuricemia was induced in rats by intraperitoneal injections of potassium oxonate. The efficacy of emodin in reducing serum uric acid levels was demonstrated by comparing the positive control group with groups treated with three different concentrations of emodin. The inflammatory profiles, including interleukin (IL)-1β, IL-6, and tumor necrosis factor-α levels, were unaffected by emodin treatment. In the experimental results, it was observed that the serum uric acid concentration in the vehicle control group was 1.80 ± 1.14, while the concentrations in the moderate and high concentration emodin groups were 1.18 ± 0.23 and 1.12 ± 0.57, resulting in no significant difference in uric acid concentration between these treatment groups and the control group, indicating that emodin has a therapeutic effect on hyperuricemia. The increase in the fractional excretion of uric acid (FEUA) demonstrated that emodin promoted urinary uric acid excretion without significantly affecting the inflammatory profile. Thus, emodin reduced the serum uric acid concentration to achieve effective treatment of hyperuricemia and gout by increasing urinary excretion. These results were supported by the measured serum uric acid and FEUA levels. Our data have potential implications for the treatment of gout and other types of hyperuricemia in clinical practice.
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Affiliation(s)
- Shen-Wei Hou
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
| | - Szu-Ju Chen
- Division of Urology, Department of Surgery, Taichung Veterans General Hospital, Taichung 407, Taiwan
| | - Jing-Dung Shen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
- Division of Urology, Department of Surgery, Taichung Armed Forces General Hospital, Taichung 411, Taiwan
- National Defense Medical Center, Taipei 114, Taiwan
| | - Huey-Yi Chen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
- Department of Obstetrics and Gynecology, Department of Medical Research, Department of Urology, China Medical University Hospital, Taichung 404, Taiwan
| | - Shih-Jing Wang
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
| | - Chia-Han Wang
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
- Department of Chinese Medicine, Taichung Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Taichung 427, Taiwan
| | - Kee-Ming Man
- Department of Medicinal Botanicals and Health Applications, College of Biotechnology and Bioresources, Da Yeh University, Changhua 515, Taiwan
- Department of Anesthesiology, China Medical University Hsinchu Hospital, Hsinchu 302, Taiwan
| | - Po-Len Liu
- Department of Respiratory Therapy, College of Medicine, Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ming-Yen Tsai
- Department of Chinese Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Kaohsiung Municipal Feng Shan Hospital-Under the Management of Chang Gung Medical Foundation, Kaohsiung 830, Taiwan
| | - Yung-Hsiang Chen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
- Department of Obstetrics and Gynecology, Department of Medical Research, Department of Urology, China Medical University Hospital, Taichung 404, Taiwan
- Department of Psychology, College of Medical and Health Science, Asia University, Taichung 413, Taiwan
| | - Wen-Chi Chen
- Graduate Institute of Integrated Medicine, College of Chinese Medicine, China Medical University, Taichung 404, Taiwan
- Department of Obstetrics and Gynecology, Department of Medical Research, Department of Urology, China Medical University Hospital, Taichung 404, Taiwan
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13
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Sharma A, Choi HK, Lee HJ. Carbon Dots for the Treatment of Inflammatory Diseases: An Appraisal of In Vitro and In Vivo Studies. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2023; 2023:3076119. [PMID: 37273553 PMCID: PMC10234732 DOI: 10.1155/2023/3076119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 02/16/2023] [Accepted: 04/25/2023] [Indexed: 06/06/2023]
Abstract
In recent decades, several studies demonstrating various applications of carbon dots (C-dots), including metal sensing, bioimaging, pH sensing, and antimicrobial activities, have been published. Recent developments have shifted this trend toward biomedical applications that target various biomarkers relevant to chronic diseases. However, relevant developments and research results regarding the anti-inflammatory properties of C-dots against inflammation-associated diseases have not been systematically reviewed. Hence, this review discusses the anti-inflammatory effects of C-dots in in vivo and in vitro models of LPS-induced inflammation, gout, cartilage tissue engineering, drug-induced inflammation, spinal cord injury, wound healing, liver diseases, stomach cancer, gastric ulcers, acute kidney and lung injury, psoriasis, fever or hypothermia, and bone tissue regeneration. The compiled studies demonstrate the promising potential of C-dots as anti-inflammatory agents for the development of new drugs.
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Affiliation(s)
- Anshul Sharma
- College of Bionanotechnology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
| | - Hyo-Kyoung Choi
- Korea Food Research Institute, 245, Nongsaengmyeong-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, Republic of Korea 55365
| | - Hae-Jeung Lee
- College of Bionanotechnology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Gyeonggi-do 13120, Republic of Korea
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Republic of Korea
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14
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Tao H, Mo Y, Liu W, Wang H. A review on gout: Looking back and looking ahead. Int Immunopharmacol 2023; 117:109977. [PMID: 37012869 DOI: 10.1016/j.intimp.2023.109977] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/11/2023] [Accepted: 02/28/2023] [Indexed: 03/17/2023]
Abstract
Gout is a metabolic disease caused by the deposition of monosodium urate (MSU) crystals inside joints, which leads to inflammation and tissue damage. Increased concentration of serum urate is an essential step in the development of gout. Serum urate is regulated by urate transporters in the kidney and intestine, especially GLUT9 (SLC2A9), URAT1 (SLC22A12) and ABCG. Activation of NLRP3 inflammasome bodies and subsequent release of IL-1β by monosodium urate crystals induce the crescendo of acute gouty arthritis, while neutrophil extracellular traps (NETs) are considered to drive the self-resolving of gout within a few days. If untreated, acute gout may eventually develop into chronic tophaceous gout characterized by tophi, chronic gouty synovitis, and structural joint damage, leading the crushing burden of treatment. Although the research on the pathological mechanism of gout has been gradually deepened in recent years, many clinical manifestations of gout are still unable to be fully elucidated. Here, we reviewed the molecular pathological mechanism behind various clinical manifestations of gout, with a view to making contributions to further understanding and treatment.
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15
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Kim B, Boukebous B, White D, Baker JF. Septic arthritis of the native hip joint: a multi-pattern, multi-outcome disease. EUROPEAN JOURNAL OF ORTHOPAEDIC SURGERY & TRAUMATOLOGY : ORTHOPEDIE TRAUMATOLOGIE 2023:10.1007/s00590-023-03477-2. [PMID: 36710273 PMCID: PMC10368560 DOI: 10.1007/s00590-023-03477-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/18/2023] [Indexed: 01/30/2023]
Abstract
PURPOSE Septic arthritis of the native hip joint (SANH) is an uncommon surgical and medical emergency with few reports. The aim of this study was to determine predictors of return to theatre (RTT), complications and mortality. METHODS Patients with SANH were identified from January 2009 to June 2022; 50 patients and three subgroups were identified: Pyogenic (surgical washout without systemic inflammatory disease), Systemic (surgical washout with SIDs) and patients managed non-surgically. Patterns of these groups were assessed with a principal component analysis. The cumulative incidences for death, any complication and RTT for repeat washout were calculated. The predictive variables associated with outcomes were selected with univariable models and then incorporated in multivariable CoxPH regressions. RESULTS The 1-year cumulative incidence was 14% for mortality and 48.5% for any complication. Amongst patients managed surgically, 1-year risk of RTT was 46% in Pyogenic subgroup and 21% in Systemic subgroup. Systemic subgroup had lower complications and RTT and higher rate of sterile aspirate, compared to Pyogenic. Charlson comorbidity index (CCI) (HR = 1.41, P value = 0.03), preoperative albumin (HR = 0.81, P value = 0.009) and preoperative haemoglobin (HR = 0.95, P value = 0.02) were significantly associated with 1-year mortality. Time between symptom onset and admission > 7 days (HR = 3.15, P value = 0.042), preoperative Hb (HR = 1.05, P value = 0.016), socioeconomic deprivation (HR = 1.18, P value = 0.04) and Systemic subgroup (HR = 0.25, P value = 0.04) were significantly associated with RTT. CONCLUSION Mortality was well predicted by the usual parameters including CCI, albumin, but also low haemoglobin. Patients presenting in a delayed fashion were more likely to have multiple lavages.
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Affiliation(s)
- Byungseob Kim
- Faculty of Medical and Health Science, University of Auckland, Grafton, Auckland, New Zealand.
| | - Baptiste Boukebous
- Department of Orthopaedic Surgery, Waikato Hospital, Hamilton, New Zealand.,ECAMO Team, CRESS, UMR1153, INSERM, Paris, France
| | - Douglas White
- Department of Rheumatology, Waikato Hospital, Hamilton, New Zealand.,Department of Medicine, University of Auckland, Auckland, New Zealand
| | - Joseph F Baker
- Department of Orthopaedic Surgery, Waikato Hospital, Hamilton, New Zealand.,Department of Surgery, University of Auckland, Auckland, New Zealand
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16
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Hao G, Xu X, Song J, Zhang J, Xu K. Lipidomics analysis facilitate insight into the molecular mechanisms of urate nephropathy in a gout model induced by combination of MSU crystals injection and high-fat diet feeding. Front Mol Biosci 2023; 10:1190683. [PMID: 37206890 PMCID: PMC10188924 DOI: 10.3389/fmolb.2023.1190683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 04/21/2023] [Indexed: 05/21/2023] Open
Abstract
Renal injury is one of the most common clinical manifestations of patients with hyperuricaemia/gout. The precise pathophysiological mechanism(s) for the renal injury is still unknown. Furthermore, it is also unclear whether the clinical therapies (e.g., colchicine and febuxostat) could prevent its progression or not. Lipids are involved in almost all of important biological processes and play critical roles in maintaining the renal functions. Herein, shotgun lipidomics was performed for class-targeted lipid analysis of cellular lipidomes in renal tissue of a gouty model induced by combination of monosodium urate crystals injection and high-fat diet feeding with/without treatment with either colchicine or febuxostat. Serum uric acid (UA), proinflammatory cytokines (i.e., TNF-α and IL-6), xanthine oxidase activity, footpad swelling, and pain threshold were determined to evaluate the gouty severity. Renal histopathological changes, blood urea nitrogen, creatinine, and kidney index were used to reflect renal injury. Lipidomics analysis revealed that altered triacylglycerol (TAG) profile, impaired mitochondrial function resulted by decreased tetra 18:2 cardiolipin, reduced 4-hydroxyalkenal (HNE) species, and elevated lysophospholipids were already present in the kidneys at early stage of renal injury, probably contributing to its occurrence and development. In addition to significantly reduce the UA level and relief the gouty severity, treatment with either colchicine or febuxostat could restore HNE bioavailability, thereby delaying the progression of renal injury. However, both of them could not recover the altered TAG profile and the impaired mitochondrial function, indicating that treatment with either of them could not completely prevent the development of renal injury in the gouty model.
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Affiliation(s)
- Guifeng Hao
- Center for General Practice Medicine, Department of Rheumatology and Immunology, Zhejiang Provincial People’s Hospital (Affiliated People’s Hospital, Hangzhou Medical College), Hangzhou, China
| | - Xiaofen Xu
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jingyi Song
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jida Zhang
- College of Basic Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Kejun Xu
- Emergency Medicine Department, The Second Affiliated Hospital of Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
- *Correspondence: Kejun Xu,
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17
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Liu Y, Luo D, Xu B. The combination of molecular docking and network pharmacology reveals the molecular mechanism of Danggui Niantong decoction in treating gout. Medicine (Baltimore) 2022; 101:e31535. [PMID: 36451451 PMCID: PMC9704887 DOI: 10.1097/md.0000000000031535] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Due to unhealthy diet and living habits, the incidence of gout is on the rise and has become a common disease with a high incidence. Danggui Niantong decoction (DGNTD), as a classic formula composed of 15 common herbs, has been widely used in clinical practice since ancient times to prevent and treat gout. However, the pharmacological mechanism and target of DGNTD are not clear. METHODS The potential active compounds and targets of DGNTD were obtained by traditional Chinese medicine systems pharmacology (TCMSP) database, and the differential genes of gout patients and controls were analyzed in gene expression omnibus (GEO) database. GSEA analysis of differential genes with GSEA 4.1.0 software and then the differential genes were intersected with the gout-related disease targets searched by GeneCard, CTD and OMIM disease database to obtain the final disease target. The "Traditional Chinese medicine-Active compounds-Targets" network was constructed by Cytoscape3.7.2 software. The R packet is used for enrichment analysis. The molecular docking between the active compound of DGNTD and the core target was verified by AutoDockTools software. RESULTS Two hundred eighty six and 244 targets of DGNTD-related active components and 652 targets of gout were obtained, of which 13 targets were potential targets of DGNTD in the treatment of gout. GSEA analysis showed that the differential genes were mainly involved in apoptosis, inflammatory reaction, and receptor metabolism and so on. Gene ontology (GO) functional enrichment analysis shows that DGNTD regulates many biological processes, such as the response to purine-containing compound and response to lipopolysaccharide, positive regulation of acute inflammatory response and other cellular components. Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analysis shows that DGNTD treatment of gout is mainly related to interleukin-17 (IL-17), Toll-like receptor, rheumatoid arthritis, tumor necrosis factor (TNF) and so on. The results of molecular docking showed that the five active compounds in DGNTD had strong binding activity to core protein receptors. CONCLUSIONS The active compounds of DGNTD may achieve the purpose of treating gout by acting on the core target (CASP8, CXCL8, FOS, IL1B, IL6, JUN, PTGS2, STAT1, MMP1, TNF) to regulate cell metabolism, proliferation and apoptosis, and improve inflammatory response, which is the result of multi-component, multi-target and multi-pathway interaction. It provides an idea for the development of new combined drugs for gout.
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Affiliation(s)
- Yuan Liu
- The First Clinical Medical College, Shandong University of Chinese Traditional Medicine, Jinan, China
| | - Di Luo
- Microscopic Orthopaedic, Shandong University of Chinese Traditional Medicine, Jinan, China
| | - Bo Xu
- The First Clinical Medical College, Shandong University of Chinese Traditional Medicine, Jinan, China
- * Correspondence: Bo Xu, The First Clinical Medical College, Shandong University of Traditional Chinese Medicine, No. 16369 Jingshi Road, Lixia District, Jinan, Shandong 250000, China (e-mail: )
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18
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Xanthine Oxidase Inhibitory Activity and Chemical Composition of Pistacia chinensis Leaf Essential Oil. Pharmaceutics 2022; 14:pharmaceutics14101982. [PMID: 36297418 PMCID: PMC9609098 DOI: 10.3390/pharmaceutics14101982] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 09/14/2022] [Accepted: 09/18/2022] [Indexed: 11/29/2022] Open
Abstract
Gout is a common metabolic disease caused by abnormal purine metabolism that promotes the formation and deposition of monosodium urate crystals within joints that causes acute arthritis and can seriously affect the daily life of patients. Pistacia chinensis is one of the traditional medicinal plants of the Anacardiaceae family, and there have been many studies on its biological activity, including anti-inflammatory, antidepressant, antibacterial, antioxidant, and hypoglycemic activities. The aim of this study was to evaluate the antigout effect of P. chinensis leaf essential oil and its constituents through xanthine oxidase inhibition. Leaf essential oil showed good xanthine oxidase inhibitory activity for both substrates, hypoxanthine and xanthine. Six fractions were obtained from open column chromatography, and fraction E1 exhibited the best activity. The constituents of leaf essential oil and fraction E1 were analyzed by GC-MS. The main constituents of both leaf essential oil and fraction E1 were limonene and 3-carene; limonene showed a higher inhibitory effect on xanthine oxidase. Based on the enzyme kinetic investigation, limonene was the mixed-type inhibitor against xanthine oxidase. The results revealed that Pistacia chinensis leaf essential oil and limonene have the potential to act as natural remedies for the treatment of gout.
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Bi C, Gao Y, Li C, Gao Y, Wang K, He Y, Li Z, Yuan H. Development, validation, and clinical application of a rapid UPLC-MS/MS method for detection of colchicine in human whole blood and urine. Biomed Chromatogr 2022; 36:e5437. [PMID: 35766796 DOI: 10.1002/bmc.5437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 06/22/2022] [Accepted: 06/26/2022] [Indexed: 11/07/2022]
Abstract
A rapid, simple, and economical method has been developed to determine colchicine in both human whole blood and urine using UPLC-MS/MS. Colchicine and isotope-labeled internal standard were extracted from the matrix by liquid-liquid extraction with saturated borax and ethyl acetate, and separated by a reversed-phase chromatography C18 column. Gradient elution was carried out using acetonitrile and water spiked with 0.01% formic acid. Multiple reaction monitoring was performed at positive ion mode. The quantitative transitions were m/z 400.27 → 310.28 for colchicine and m/z 406.16 → 313.18 for colchicine-D6. The method has good linearity in the range of 0.5-200 ng/mL for blood and 2-2000 ng/mL for urine. The sensitivity, accuracy, and matrix effect were all in line with the guidelines of Food and Drug Administration and European Medicines Agency. The extraction recovery was above 63.94%. The samples were stable under various storage conditions. Six deuterium-substituted isotopic internal standard was used to demonstrate a different mode of colchicine cleavage from the existing literature. This method has been successfully used in the diagnosis of patients with colchicine poisoning. Blood is recommended as the optimal sample compared with urine.
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Affiliation(s)
- Chongwen Bi
- Drug and Poison Testing Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Ying Gao
- Department of Critical Care Medicine, Tianjin Medical University General Hospital, Tianjin, China
| | - Chunlin Li
- College of Pharmacy, Tianjin Medical University, Tianjin, China
| | - Yuyang Gao
- Department of Pharmacy, Tianjin People Hospital, Tianjin, China
| | - Kaiwen Wang
- College of Pharmacy, Tianjin Medical University, Tianjin, China
| | - Yifan He
- Drug and Poison Testing Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Zhengxiang Li
- Drug and Poison Testing Center, Tianjin Medical University General Hospital, Tianjin, China
| | - Hengjie Yuan
- Drug and Poison Testing Center, Tianjin Medical University General Hospital, Tianjin, China
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Yong T, Liang D, Xiao C, Huang L, Chen S, Xie Y, Gao X, Wu Q, Hu H, Li X, Liu Y, Cai M. Hypouricemic effect of 2,4-dihydroxybenzoic acid methyl ester in hyperuricemic mice through inhibiting XOD and down-regulating URAT1. Biomed Pharmacother 2022; 153:113303. [PMID: 35750011 DOI: 10.1016/j.biopha.2022.113303] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/09/2022] [Accepted: 06/13/2022] [Indexed: 11/02/2022] Open
Abstract
In this paper, we reported the hypouricemic effect of 2,4-dihydroxybenzoic acid methyl ester (DAE), a component of Ganoderma applanatum, in hyperuricemic mice through inhibiting XOD and down-regulating URAT1. Computationally, DAE showed a high similarity to allopurinol and depicted a high affinity in docking to XOD. In vitro, DAE exhibited an inhibitory effect against XOD. Importantly, DAE demonstrated a remarkable hypouricemic effect, decreasing serum uric acids (SUAs) of hyperuricemic mice (407 ± 31 μmol/L) to 195 ± 23, 145 ± 33 and 134 ± 16 μmol/L (P < 0.01) at the doses of 20, 40, and 80 mg/kg with a dose-dependent manner and showing efficacies at 54-68 %, which were close to the efficacies of allopurinol (61 %) and benzbromarone (57 %). DAE depicted higher and negatively dose-independent urinary uric acids in comparison with that of the hyperuricemic control, implying DAE exerted an uricosuric effect and also a reduction effect on uric acid production. Unlike toxic allopurinol and benzbromarone, no general toxicity on body weights and no negative influence on liver, kidney, spleen and thymus were observed for DAE. Mechanistically, DAE inhibited XOD activities in vivo. Moreover, DAE up-regulated OAT1 and down-regulated GLUT9, URAT1 and CNT2. Overall, DAE may present a hypouricemic effect through inhibiting XOD and up-regulating OAT1 and down-regulating GLUT9, URAT1 and CNT2. This work provided novel insights into the hypouricemic effect of DAE and G. applanatum.
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Affiliation(s)
- Tianqiao Yong
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Danling Liang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China; Affiliated Hospital of Guangdong Medical University, Zhanjiang 524000, China
| | - Chun Xiao
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Longhua Huang
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China
| | - Shaodan Chen
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Yizhen Xie
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Xiong Gao
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Qingping Wu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China.
| | - Huiping Hu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Xiangmin Li
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Yuancao Liu
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
| | - Manjun Cai
- Guangdong Provincial Key Laboratory of Microbial Safety and Health, Key Laboratory of Agricultural Microbiomics and Precision Application of the Ministry of Agriculture and Rural Affairs and State Key Laboratory of Applied Microbiology Southern China, Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou 510070, China; Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China
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21
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Feng Y, Yu Y, Chen Z, Wang L, Ma J, Bai X, Sun Y, Wang D. Effects of β-Carotin and Green Tea Powder Diets on Alleviating the Symptoms of Gouty Arthritis and Improving Gut Microbiota in C57BL/6 Mice. Front Microbiol 2022; 13:837182. [PMID: 35145506 PMCID: PMC8821968 DOI: 10.3389/fmicb.2022.837182] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 01/05/2022] [Indexed: 11/13/2022] Open
Abstract
As a chronic metabolic disease caused by disorders of purine metabolism, gout has shown increasing incidence rate worldwide. Considering that gout is not easily treated and cured, further studies are explored to prevent gout development through diet modification. Both β-carotin and green tea powder are rich in dietary fiber, which helps maintain the balance of gut microbiota in humans. The aim of this study was to investigate the effects of β-carotin and green tea powder diet on the prevention of gouty arthritis in relation to the bacterial structure of gut microbiota in mice. We successfully induced gouty arthritis in C57BL/6 mice by injecting monosodium urate (MSU) crystals and feeding high-fat diet (HFD), and further investigated the effects of additional β-carotin and green tea powder in the diets of mice on the prevention of gouty arthritis in mice. Our results showed that diet of β-carotin and green tea powder reduced the joint swelling and pain in mice with gout, reduced the levels of serum uric acid (UA) and three types of pro-inflammatory cytokines, i.e., interleukin-1β (IL-1β), interleukin-6 (IL-6), and tumor necrosis factor-α (TNF-α), improved the gut microbiota profile, and reduced the metabolic levels of purines and pyrimidines. In conclusion, our study provided evidence to support the application of β-carotin and green tea powder diet as a dietary adjustment method to prevent and treat gouty arthritis.
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Affiliation(s)
- Yu Feng
- Department of Orthopedic, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopedic, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yanbo Yu
- Department of Gastroenterology, Qilu Hospital, Shandong University, Jinan, China
| | - Zheng Chen
- Department of Orthopedic, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopedic, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Lili Wang
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Jingyu Ma
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Xiaohui Bai
- Department of Clinical Laboratory, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Yundong Sun
- Department of Microbiology, Key Laboratory for Experimental Teratology of Ministry of Education, Key Laboratory of Infection and Immunology of Shandong Province, School of Basic Medicine, Shandong University, Jinan, China
| | - Dawei Wang
- Department of Orthopedic, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China.,Department of Orthopedic, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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22
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Weaver JS, Vina ER, Munk PL, Klauser AS, Elifritz JM, Taljanovic MS. Gouty Arthropathy: Review of Clinical Manifestations and Treatment, with Emphasis on Imaging. J Clin Med 2021; 11:jcm11010166. [PMID: 35011907 PMCID: PMC8745871 DOI: 10.3390/jcm11010166] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Revised: 12/16/2021] [Accepted: 12/26/2021] [Indexed: 12/22/2022] Open
Abstract
Gout, a crystalline arthropathy caused by the deposition of monosodium urate crystals in the articular and periarticular soft tissues, is a frequent cause of painful arthropathy. Imaging has an important role in the initial evaluation as well as the treatment and follow up of gouty arthropathy. The imaging findings of gouty arthropathy on radiography, ultrasonography, computed tomography, dual energy computed tomography, and magnetic resonance imaging are described to include findings of the early, acute and chronic phases of gout. These findings include early monosodium urate deposits, osseous erosions, and tophi, which may involve periarticular tissues, tendons, and bursae. Treatment of gout includes non-steroidal anti-inflammatories, colchicine, glucocorticoids, interleukin-1 inhibitors, xanthine oxidase inhibitors, uricosuric drugs, and recombinant uricase. Imaging is critical in monitoring response to therapy; clinical management can be modulated based on imaging findings. This review article describes the current standard of care in imaging and treatment of gouty arthropathy.
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Affiliation(s)
- Jennifer S. Weaver
- Department of Radiology, University of New Mexico, Albuquerque, NM 87131, USA;
- Correspondence:
| | - Ernest R. Vina
- Department of Medicine, University of Arizona Arthritis Center, Tucson, AZ 85724, USA;
| | - Peter L. Munk
- Department of Radiology, University of British Columbia, Vancouver, BC V6T 1Z4, Canada;
- Department of Radiology, Vancouver General Hospital, Vancouver, BC V5Z 1M9, Canada
| | - Andrea S. Klauser
- Radiology Department, Medical University Innsbruck, Anichstrasse 35, 6020 Innsbruck, Austria;
| | - Jamie M. Elifritz
- Departments of Radiology and Pathology, University of New Mexico, Albuquerque, NM 87131, USA;
- New Mexico Office of the Medical Investigator, Albuquerque, NM 87131, USA
| | - Mihra S. Taljanovic
- Department of Radiology, University of New Mexico, Albuquerque, NM 87131, USA;
- Departments of Medical Imaging and Orthopaedic Surgery, University of Arizona, Tucson, AZ 85721, USA
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Abstract
INTRODUCTION Gout is the most common form of inflammatory arthritis affecting millions of people around the world. Painful flares and tophaceous deposits can be debilitating, reducing quality of life among those affected and putting strain on health care systems. AREAS COVERED This review provides an overview of the treatment of gout for flare pain management and lowering serum urate. Firstline agents are discussed with emphasis on emerging evidence. Novel therapies are also covered. EXPERT OPINION Lifestyle modifications form a part of gout prevention. Regarding gout flare pharmacotherapy NSAIDs, colchicine and glucocorticoids are first line agents. The IL-1β antagonists also are highly effective for arresting flares but their cost-effectiveness render them as salvage therapies. Allopurinol is an agent of first choice for urate lowering therapy (ULT). In South East Asian and Black populations screening for HLA*B58:01 mutation is a cost-effective approach to decrease the occurrence of the rare but potentially very serious allopurinol hypersensitivity syndrome (AHS.). Febuxostat is another efficacious urate lowering therapy but it has received U.S. FDA black box warning for cardiovascular safety and careful consideration is warranted before its initiation in patients with high cardiovascular risk. Novel uricosurics are a class for continued drug development; verinurad and arhalofenate are agents with future promise. For patients with recalcitrant gout, pegloticase is another effective option in the rheumatologist's armamentarium. Its immunogenicity significantly threatens the achievement of sustained urate lowering responses. Abrogating pegloticase's immunogenicity with immunomodulatory co-therapy may lend to sustained efficacy.
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Affiliation(s)
- K E G Blake
- Clinical Fellow, Division of Clinical Immunology and Rheumatology, The University of Alabama at Birmingham, 1720 2nd Ave South, FOT 839. Birmingham, AL 35294-3408
| | - Jordan L Saag
- Medical Student, University of Central Florida College of Medicine, 6850 Lake Nona Blvd. Orlando, FL 32827
| | - Kenneth G Saag
- Director, Division of Clinical Immunology and Rheumatology, The University of Alabama at Birmingham, 1720 2nd Ave South, FOT 839. Birmingham, AL 35294-3408
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24
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Belviranli S, Turk HB, Oltulu P, Turk N, Mirza E, Küçük A, Aydemir H, Oltulu R. Tear Function Alterations and Conjunctival Impression Cytology Findings in Patients With Gout. Eye Contact Lens 2021; 47:647-650. [PMID: 34417788 DOI: 10.1097/icl.0000000000000832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVES The aim of this study was to evaluate the tear functions and conjunctival impression cytology (CIC) findings of patients with gout and compare them with healthy controls. METHODS Thirty-four patients with gout (group 1) and 32 age-matched and gender-matched healthy individuals (group 2) were included in this cross-sectional study. Schirmer 1 test, tear breakup time (TBUT), Ocular Surface Disease Index (OSDI) score, and CIC grade were evaluated and compared between the groups. RESULTS There was no significant difference between the groups in gender and age (P=0.923 and P=0.078, respectively). The mean of Schirmer 1 test result was significantly lower in group 1 (9.74±6.03 mm) than that in group 2 (17.16±9.33 mm) (P<0.001). The TBUT was also significantly lower in group 1 (7.00±2.09 seconds) than that in group 2 (12.75±5.25 seconds) (P<0.001). The OSDI score (20.04±12.92) was significantly higher in group 1 than that in group 2 (6.19±10.07) (P<0.001). Although 10 patients (29.4%) in group 1 had the CIC grade of 2 to 3, none of the controls had CIC grade 2 to 3. The mean CIC grade in group 1 (1.15±0.89) was significantly higher than that in group 2 (0.47±0.51) (P<0.001). CONCLUSIONS The results of this study suggest that ocular surface alterations assessed by CIC and tear function abnormalities are more common in patients with gout.
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Affiliation(s)
- Selman Belviranli
- Department of Ophthalmology (S.B., E.M., R.O.), Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey ; Department of Ophthalmology (H.B.T.), Dr. Ersin Arslan Research and Training Hospital, Gaziantep, Turkey ; Department of Pathology (P.O.), Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey ; Department of Pathology (N.T.), 25 Aralik State Hospital, Gaziantep, Turkey; and Department of Rheumatology (A.K., H.A.), Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
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25
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Natural Xanthine Oxidase Inhibitor 5- O-Caffeoylshikimic Acid Ameliorates Kidney Injury Caused by Hyperuricemia in Mice. Molecules 2021; 26:molecules26237307. [PMID: 34885887 PMCID: PMC8659034 DOI: 10.3390/molecules26237307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2021] [Revised: 11/21/2021] [Accepted: 11/29/2021] [Indexed: 11/21/2022] Open
Abstract
Xanthine oxidase (XOD) inhibition has long been considered an effective anti-hyperuricemia strategy. To identify effective natural XOD inhibitors with little side effects, we performed a XOD inhibitory assay-coupled isolation of compounds from Smilacis Glabrae Rhizoma (SGR), a traditional Chinese medicine frequently prescribed as anti-hyperuricemia agent for centuries. Through the in vitro XOD inhibitory assay, we obtained a novel XOD inhibitor, 5-O-caffeoylshikimic acid (#1, 5OCSA) with IC50 of 13.96 μM, as well as two known XOD inhibitors, quercetin (#3) and astilbin (#6). Meanwhile, we performed in silico molecular docking and found 5OCSA could interact with the active sites of XOD (PDB ID: 3NVY) with a binding energy of −8.6 kcal/mol, suggesting 5OCSA inhibits XOD by binding with its active site. To evaluate the in vivo effects on XOD, we generated a hyperuricemia mice model by intraperitoneal injection of potassium oxonate (300 mg/kg) and oral gavage of hypoxanthine (500 mg/kg) for 7 days. 5OCSA could inhibit both hepatic and serum XOD in vivo, together with an improvement of histological and multiple serological parameters in kidney injury and HUA. Collectively, our results suggested that 5OCSA may be developed into a safe and effective XOD inhibitor based on in vitro, in silico and in vivo evidence.
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26
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Martins D, Tonon CR, Pacca RL, Matchil NL, Junior LAJ, Queiroz DS, Pereira FWL, Silva AM, Padovese V, Padovani de Toledo Moraes M, Luiz da Silva D, Cardoso Nóbrega V, Curcelli EC, Okoshi MP. Gout Storm. AMERICAN JOURNAL OF CASE REPORTS 2021; 22:e932683. [PMID: 34855717 PMCID: PMC8475732 DOI: 10.12659/ajcr.932683] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Patient: Male, 55-year-old
Final Diagnosis: Gout • spinal gout
Symptoms: Back pain • fever • incontinence • pain • paresthesia of extremities • tachycardia
Medication: —
Clinical Procedure: Antibiotics • arthrocentesis • biopsy • CT scan • surgery • ultrasonography
Specialty: General and Internal Medicine
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Affiliation(s)
- Danilo Martins
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Carolina Rodrigues Tonon
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Rafael Lopes Pacca
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Natanye Lemes Matchil
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Luiz Antonio Jorge Junior
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Dênis Silva Queiroz
- Department of Orthopedics and Traumatology, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Filipe Welson Leal Pereira
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Alana Maia Silva
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Vinicius Padovese
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | | | - Daniel Luiz da Silva
- Department of Pathology, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Vinicius Cardoso Nóbrega
- Department of Pathology, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Emilio Carlos Curcelli
- Department of Orthopedics and Traumatology, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
| | - Marina Politi Okoshi
- Department of Internal Medicine, Botucatu Medical School, São Paulo State University, UNESP, Botucatu, SP, Brazil
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KARATAŞ NM, TÜRK İ. Kronik tofüslü gut ve sakroiliit birlikteliği: bir olgu sunumu. CUKUROVA MEDICAL JOURNAL 2021. [DOI: 10.17826/cumj.839109] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
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28
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Li WY, Yang F, Chen JH, Ren GF. β-Caryophyllene Ameliorates MSU-Induced Gouty Arthritis and Inflammation Through Inhibiting NLRP3 and NF-κB Signal Pathway: In Silico and In Vivo. Front Pharmacol 2021; 12:651305. [PMID: 33967792 PMCID: PMC8103215 DOI: 10.3389/fphar.2021.651305] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2021] [Accepted: 04/12/2021] [Indexed: 01/17/2023] Open
Abstract
Gouty arthritis serves as an acute reaction initiated by the deposition of monosodium urate (MSU) crystals around the joints. In this study, the anti-inflammatory effects of phytochemical β-caryophyllene on MSU crystal-induced acute gouty arthritis in vivo and in silico were explored. Through bioinformatics methods and molecular docking, it screened the specific influence pathway of β-caryophyllene on gout. Certain methods including enzyme-linked immunosorbent assay, western blotting, and immunohistochemical staining were adopted to quantify. β-caryophyllene significantly reduced inflammation and function of ankle joints in MSU Crystals-induced gouty arthritis rats, while decreasing serum cytokine levels. Furthermore, it inhibited the expressions of NLRP3, Caspase-1, ASC, TLR4, MyD88, p65, and IL-1β in the synovial tissue so as to reduce inflammation and protect ankle joints’ function. A new research approach in which β-caryophyllene treatment to acute attacks of gout is provided through the research results.
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Affiliation(s)
- Wan-Yang Li
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Fan Yang
- School of Chinese Traditional Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ji-Hua Chen
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Guo-Feng Ren
- Xiangya School of Public Health, Central South University, Changsha, China
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How Are We Managing Patients with Hyperuricemia and Gout: A Cross Sectional Study Assessing Knowledge and Attitudes of Primary Care Physicians? INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18031234. [PMID: 33573113 PMCID: PMC7908186 DOI: 10.3390/ijerph18031234] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/01/2021] [Revised: 01/22/2021] [Accepted: 01/26/2021] [Indexed: 02/07/2023]
Abstract
Background: Studies show that hyperuricemia is an element of the pathophysiology of many conditions. Therefore, the aim of this study was to assess primary care physicians’ knowledge and attitudes toward asymptomatic hyperuricemia and gout management. Methods: A survey-based cross-sectional study was conducted to assess the primary physicians’ attitudes, knowledge, and patient management regarding hyperuricemia and gout. Results: A total of 336 primary care physicians were included. Physicians who read at least one scientific paper covering the topic of hyperuricemia in the past year scored significantly higher in knowledge questions (N = 152, 6.5 ± 2.05 vs. N = 183, 7.04 ± 2.14, p = 0.019). Only around half of physicians correctly identified drugs that can lower or elevate serum uric acid levels. Furthermore, the analysis of correct answers to specific questions showed poor understanding of the pathophysiology of hyperuricemia and possible risk factors. Conclusions: This study identified gaps in primary care physicians’ knowledge essential for the adequate management of patients with asymptomatic hyperuricemia and gout. As hyperuricemia and gout are among the fastest rising non-communicable diseases, greater awareness of the available guidelines and more education about the causes and risks of hyperuricemia among primary care physicians may reduce the development of diseases that have hyperuricemia as risk factors.
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Cell lineage-specific methylome and genome alterations in gout. Aging (Albany NY) 2021; 13:3843-3865. [PMID: 33493135 PMCID: PMC7906142 DOI: 10.18632/aging.202353] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/05/2020] [Indexed: 12/14/2022]
Abstract
In this study, we examined data from 69 gout patients and 1,455 non-gout controls using a MethylationEPIC BeadChip assay and Illumina HiSeq platform to identify lineage-specific epigenetic alterations and associated genetic factors that contributed to gouty inflammation. Cell lineage-specific differentially methylated sites were identified using CellDMC after adjusting for sex, age, alcohol drinking, smoking status, and smoking history (total pack-years). Different cell lineages displayed distinct differential methylation. Ingenuity Pathway Analysis and NetworkAnalyst indicated that many differential methylated sites were associated with interleukin-1β expression in monocytes. On the UCSC Genome Browser and WashU Epigenome Browser, metabolic trait, cis-methylation quantitative trait loci, genetic, and functional annotation analyses identified nine methylation loci located in interleukin-1β-regulating genes (PRKCZ, CIDEC, VDAC1, CPT1A, BIRC2, BRCA1, STK11, and NLRP12) that were associated specifically with gouty inflammation. All nine sites mapped to active regulatory elements in monocytes. MoLoTool and ReMap analyses indicated that the nine methylation loci overlapped with binding sites of several transcription factors that regulated interleukin-1β production and gouty inflammation. Decreases in PRKCZ and STK11 methylation were also associated with higher numbers of first-degree relatives who also had gout. The gouty-inflammation specific methylome and genome alterations could potentially aid in the identification of novel therapeutic targets.
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31
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Potential Molecular Mechanisms of Plantain in the Treatment of Gout and Hyperuricemia Based on Network Pharmacology. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2020; 2020:3023127. [PMID: 33149752 PMCID: PMC7603577 DOI: 10.1155/2020/3023127] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/21/2020] [Revised: 07/13/2020] [Accepted: 08/04/2020] [Indexed: 12/13/2022]
Abstract
Background The incidence of gout and hyperuricemia is increasing year by year in the world. Plantain is a traditional natural medicine commonly used in the treatment of gout and hyperuricemia, but the molecular mechanism of its active compounds is still unclear. Based on network pharmacology, this article predicts the targets and pathways of effective components of plantain for gout and hyperuricemia and provides effective reference for clinical medication. Method Traditional Chinese medicine systems pharmacology database and analysis platform (TCMSP) and SymMap databases were used to screen out the active compounds and their targets in plantain. GeneCards, Therapeutic Target Database (TTD), and Online Mendelian Inheritance in Man (OMIM) databases were used to find the targets corresponding to gout and hyperuricemia. Venn diagram was used to obtain the intersection targets of plantain and diseases. The interaction network of the plantain active compounds-targets-pathways-diseases was constructed by using Cytoscape 3.7.2 software. Finally, Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analyses were carried out. Result Seven active compounds were identified by network pharmacological analysis, including dinatin, baicalein, baicalin, sitosterol, 6-OH-luteolin, stigmasterol, and luteolin. Plantain plays a role in gout and hyperuricemia diseases by regulating various biological processes, cellular components, and molecular functions. The core targets of plantain for treating gout are MAPK1, RELA, TNF, NFKBIA, and IFNG, and the key pathways are pathways in cancer, hypoxia-inducible factor-1 (HIF-1) signaling pathway, interleukin (IL)-17 signaling pathway, Chagas disease (American trypanosomiasis), and relaxin signaling pathway. The core targets of plantain for hyperuricemia are RELA, MAPK1, NFKBIA, CASP3, CASP8, and TNF, and the main pathways are pathways in cancer, apoptosis, hepatitis B, IL-17 signaling pathway, and toxoplasmosis. Conclusion This study explored the related targets and mechanisms of plantain for the treatment of gout and hyperuricemia from the perspective of network pharmacological analysis, reflecting the characteristics of multiple components, multiple targets, and multiple pathways, and it provides a good theoretical basis for the clinical application of plantain.
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32
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De novo transcriptome assembly and mining of EST-SSR markers in Gloriosa superba. J Genet 2020. [DOI: 10.1007/s12041-020-01235-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Yamane M, Igarashi F, Yamauchi T, Nakagawa T. Main contribution of UGT1A1 and CYP2C9 in the metabolism of UR-1102, a novel agent for the treatment of gout. Xenobiotica 2020; 51:61-71. [PMID: 32813611 DOI: 10.1080/00498254.2020.1812012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
UR-1102, a novel uricosuric agent for treating gout, has been confirmed to exhibit a pharmacological effect in patients. We clarified its metabolic pathway, estimated the contribution of each metabolic enzyme, and assessed the impact of genetic polymorphisms using human in vitro materials. Glucuronide, sulfate and oxidative metabolites of UR-1102 were detected in human hepatocytes. The intrinsic clearance by glucuronidation or oxidation in human liver microsomes was comparable, but sulfation in the cytosol was much lower, indicating that the rank order of contribution was glucuronidation ≥ oxidation > sulfation. Recombinant UGT1A1 and UGT1A3 showed high glucuronidation of UR-1102. We took advantage of a difference in the inhibitory sensitivity of atazanavir to the UGT isoforms and estimated the fraction metabolised (fm) with UGT1A1 to be 70%. Studies using recombinant CYPs and CYP isoform-specific inhibitors showed that oxidation was mediated exclusively by CYP2C9. The effect of UGT1A1 and CYP2C9 inhibitors on UR-1102 metabolism in hepatocytes did not differ markedly between the wild type and variants.
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Affiliation(s)
- Mizuki Yamane
- Research Division, Chugai Pharmaceutical Co., Ltd., Kamakura, Japan
| | | | | | - Toshito Nakagawa
- Research Division, Chugai Pharmaceutical Co., Ltd., Kamakura, Japan
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Jin HJ, Son ES, Kim DH. The Frequency of Axial Deposition in Korean Patients With Gout at a Tertiary Spine Center. Front Med (Lausanne) 2020; 7:339. [PMID: 32850877 PMCID: PMC7419467 DOI: 10.3389/fmed.2020.00339] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2020] [Accepted: 06/08/2020] [Indexed: 12/27/2022] Open
Abstract
Objectives: This study aimed to describe the frequency of axial deposition (axial gout) and determine the associated factors in patients with gout who presented to a spine clinic in Korea. Methods: We enrolled 95 Korean patients who visited our spine center from March 2012 to February 2016 and who had been previously diagnosed with gout and had available computed tomography (CT) images of the vertebral columns. Axial gout was defined as the presence of erosions or tophi in the vertebral endplate or facet joint. The clinical and laboratory data of these patients were retrieved from medical records. Results: Out of 95 patients, 15 [15.8%; 95% confidence interval (CI), 9.4–25.0%] had a conventional CT evidence suggestive of axial gout. In these 15 patients, 12 (80%) had lumbar spine involvement (95% CI, 51.4–94.7%). Fifteen patients had erosions of the vertebral column, and two presented with tophi that exhibited erosive changes of the facet joints. The presence of axial gout was not associated with the patients' age, duration of gout, laboratory findings, inflammatory back pain symptoms, identification of monosodium urate crystals in the peripheral joints, current use of urate-lowering drugs, hypertension, and end-stage renal disease; however, there was a significant association with the presence of diabetes (P = 0.008). Conclusions: The frequency of axial deposition in Korean patients with gout and spinal symptoms was 15.8%, with the lumbar region being the most commonly involved section of the spine. In addition, diabetes was associated with evidence of axial gout on imaging.
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Affiliation(s)
- Hyo-Joon Jin
- Department of Rehabilitation Medicine, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, South Korea
| | - Eun-Seok Son
- Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, South Korea
| | - Du Hwan Kim
- Department of Physical Medicine and Rehabilitation, College of Medicine, Chung-Ang University, Seoul, South Korea
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Xue SW, Luo YK, Zhao YR, Jiao ZY. Musculoskeletal ultrasound in the Differential Diagnosis of Gouty Arthritis and Rheumatoid Arthritis. Pak J Med Sci 2020; 36:977-981. [PMID: 32704274 PMCID: PMC7372673 DOI: 10.12669/pjms.36.5.2716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Objective: To explore the role of musculoskeletal ultrasound (MSUS) in the differential diagnosis of gouty arthritis (GA) and rheumatoid arthritis (RA) and to analyze the ultrasound imaging features of the two diseases. Methods: A retrospective study was carried out. A total of 66 patients who had been admitted to The First Medical Center of Chinese PLA General Hospital from May 2018 to March 2019 were enrolled. Among them, 34 patients were diagnosed with RA and were included in the RA group; 32 patients were diagnosed with gouty arthritis and were included in the GA group. The imaging features of musculoskeletal ultrasound were compared between the two groups of patients. Results: A total of 34 patients were included in the RA group, including 17 males and 17 females. A total of 32 patients were included in the GA group, including 14 males and 18 females. There were no significant differences in gender composition, age, and duration of disease between the two groups (P>0.05). In the RA group, there were joint bone erosions with a clear boundary in seven cases and with a blurred boundary in 27 cases; synovial hyperplasia was observed in 27 cases, and point-like hyperechoic masses were observed in four cases. In the GA group, there were joint bone erosions with a clear boundary in 27 cases and with a blurred boundary in five cases; synovial hyperplasia was observed in four cases, tophus was observed in 23 cases, point-like hyperechoic masses were observed in 27 cases, and the tram-track sign was observed in 23 cases. The differences in bone erosion boundaries (c2=26.854, P<0.01), synovial hyperplasia (c2=29.631, P<0.01), tophus (P<0.01), point-like hyperechoic mass (c2=33.095, P<0.01), and tram-track sign (P<0.01) were statistically significant between the two groups of patients. In the RA group, blood flow signaling was Grade 0 in one case, Grade-I in five cases, Grade-II in 14 cases, and Grade-III in 14 cases. In the GA group, blood flow signaling was Grade 0 in 26 cases, Grade-I in three cases, Grade-II in three cases, and Grade-III in zero cases. The difference in the synovial blood flow signaling between the two groups of patients was statistically significant (c2=34.323, P<0.01). Conclusions: MSUS has certain diagnostic value in the differentiation of GA and RA. Moreover, the two conditions have their own ultrasound imaging features.
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Affiliation(s)
- Shao-Wei Xue
- Shao-wei Xue, Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, P. R. China
| | - Yu-Kun Luo
- Yu-kun Luo, Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, P. R. China
| | - Yu-Rong Zhao
- Yu-rong Zhao, Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, P. R. China
| | - Zi-Yu Jiao
- Zi-yu Jiao, Department of Ultrasound, The First Medical Center of Chinese PLA General Hospital, Beijing 100853, P. R. China
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Systemic Investigation of Promoter-wide Methylome and Genome Variations in Gout. Int J Mol Sci 2020; 21:ijms21134702. [PMID: 32630231 PMCID: PMC7369819 DOI: 10.3390/ijms21134702] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/23/2020] [Accepted: 06/29/2020] [Indexed: 02/07/2023] Open
Abstract
Current knowledge of gout centers on hyperuricemia. Relatively little is known regarding the pathogenesis of gouty inflammation. To investigate the epigenetic background of gouty inflammation independent of hyperuricemia and its relationship to genetics, 69 gout patients and 1455 non-gout controls were included. Promoter-wide methylation was profiled with EPIC array. Whole-genome sequencing data were included for genetic and methylation quantitative trait loci (meQTL) analyses and causal inference tests. Identified loci were subjected to co-methylation analysis and functional localization with DNase hypersensitivity and histone marks analysis. An expression database was queried to clarify biologic functions of identified loci. A transcription factor dataset was integrated to identify transcription factors coordinating respective expression. In total, seven CpG loci involved in interleukin-1β production survived genetic/meQTL analyses, or causal inference tests. None had a significant relationship with various metabolic traits. Additional analysis suggested gouty inflammation, instead of hyperuricemia, provides the link between these CpG sites and gout. Six (PGGT1B, INSIG1, ANGPTL2, JNK1, UBAP1, and RAPTOR) were novel genes in the field of gout. One (CNTN5) was previously associated with gouty inflammation. Transcription factor mapping identified several potential transcription factors implicated in the link between differential methylation, interleukin-1β production, and gouty inflammation. In conclusion, this study revealed several novel genes specific to gouty inflammation and provided enhanced insight into the biological basis of gouty inflammation.
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ÖZTÜRK R. Rare Location and Clinical Presentation of Gout Disease: Distal Ulna Localized Gout Disease and Acute Gout Attack of the Wrist. CLINICAL AND EXPERIMENTAL HEALTH SCIENCES 2020. [DOI: 10.33808/clinexphealthsci.560202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Hong J, Qiu J, Wang X, Zhang G. Characteristics of voltage-gated potassium currents in monosodium urate induced gouty arthritis in mice. Inflamm Res 2020; 69:589-598. [PMID: 32306120 DOI: 10.1007/s00011-020-01343-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 01/15/2020] [Accepted: 03/26/2020] [Indexed: 11/26/2022] Open
Abstract
OBJECTIVE To evaluate the role of K+ channels in pain following gouty arthritis. METHODS The model of acute gouty arthritis was induced by monosodium urate (MSU) in mice. The swelling degree was determined by measuring the circumference of the ankle joint. Mechanical hyperalgesia was detected by von Frey filaments. Two types of K+ currents, A-type currents (IA) and delayed rectifier currents (IK), were recorded in dorsal root ganglion (DRG) neurons using patch-clamp techniques. RESULTS The swelling degree reached its maximum at 10 h and the minimum pain threshold was maintained between 8 and 48 h after MSU treatment in mice. The amplitudes of IA and IK in DRG neurons were moderately increased on day 1 after MSU treatment, and then, they were gradually decreased with times and reached their minimums on day 4 (for IA) or 5 (for IK). Compared with control group, the activation curve of IA was significantly shifted to more positive potential and the recovery time of IA from inactivation was markedly prolonged, but inactivation and frequency dependence of IA appeared unaffected in MSU-treated group. Additionally, no change was observed in the activation curve of IK after MSU treatment. The excitability was significantly higher in the MSU group than in the control group. CONCLUSIONS MSU-induced gout pain may be related to the hyperexcitability of DRG neurons elicited by decreasing K+ currents.
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Affiliation(s)
- Jiangru Hong
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Jie Qiu
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Xiniao Wang
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China
| | - Guangqin Zhang
- Department of Clinical Pharmacy, China Pharmaceutical University, Nanjing, 210009, China.
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Yin C, Liu B, Wang P, Li X, Li Y, Zheng X, Tai Y, Wang C, Liu B. Eucalyptol alleviates inflammation and pain responses in a mouse model of gout arthritis. Br J Pharmacol 2020; 177:2042-2057. [PMID: 31883118 DOI: 10.1111/bph.14967] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2019] [Revised: 11/25/2019] [Accepted: 11/29/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND AND PURPOSE Gout arthritis, which is provoked by monosodium urate (MSU) crystal accumulation in the joint and periarticular tissues, induces severe pain and affects quality of life of the patients. Eucalyptol (1,8-cineol), the principal component in the essential oils of eucalyptus leaves, is known to possess anti-inflammatory and analgesic properties. We aimed to examine the therapeutic effects of eucalyptol on gout arthritis and related mechanisms. EXPERIMENTAL APPROACH A mouse model of gout arthritis was established via MSU injection into the ankle joint. Ankle oedema, mechanical allodynia, neutrophil infiltration, oxidative stress, NLRP3 inflammasome, and TRPV1 expression were examined. KEY RESULTS Eucalyptol attenuated MSU-induced mechanical allodynia and ankle oedema in dose-dependently, with effectiveness similar to indomethacin. Eucalyptol reduced inflammatory cell infiltrations in ankle tissues. Eucalyptol inhibited NLRP3 inflammasome activation and pro-inflammatory cytokine production induced by MSU in ankle tissues in vivo. Eucalyptol reduced oxidative stress induced by MSU in RAW264.7 cells in vitro as well as in ankle tissues in vivo, indicated by an increase in activities of antioxidant enzymes and reduction of ROS. Eucalyptol attenuated MSU-induced up-regulation of TRPV1 expression in ankle tissues and dorsal root ganglion neurons innervating the ankle. The in vivo effects of eucalyptol on ankle oedema, mechanical allodynia, NLRP3 inflammasome, IL-1β, and TRPV1 expression were mimicked by treating MSU-injected mice with antioxidants. CONCLUSION AND IMPLICATIONS Eucalyptol alleviates MSU-induced pain and inflammation via mechanisms possibly involving anti-oxidative effect. Eucalyptol and other antioxidants may represent promising therapeutic options for gout arthritis.
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Affiliation(s)
- Chengyu Yin
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Boyu Liu
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Ping Wang
- Department of Pathology, School of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaojie Li
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Yuanyuan Li
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Xiaoli Zheng
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
| | - Yan Tai
- Academy of Chinese Medical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Chuan Wang
- Department of Pharmacology, Hebei Medical University, Shijiazhuang, China
| | - Boyi Liu
- Department of Neurobiology and Acupuncture Research, The Third Clinical Medical College, Zhejiang Chinese Medical University, Key Laboratory of Acupuncture and Neurology of Zhejiang Province, Hangzhou, China
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Wang Y, Lin Z, Zhang B, Jiang Z, Guo F, Yang T. Cichorium intybus L. Extract Suppresses Experimental Gout by Inhibiting the NF-κB and NLRP3 Signaling Pathways. Int J Mol Sci 2019; 20:E4921. [PMID: 31590257 PMCID: PMC6801406 DOI: 10.3390/ijms20194921] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 09/22/2019] [Accepted: 10/03/2019] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND The production and maturation of interleukin (IL)-1β, regulated by the NF-κB and NLRP3 signaling pathways, lie at the core of gout. This study aimed to evaluate the antigout effect of Cichorium intybus L. (also known as chicory) in vivo and in vitro. METHODS A gout animal model was established with monosodium urate (MSU) crystal injections. Rats were orally administered with chicory extract or colchicine. Levels of ankle edema, inflammatory activity, and IL-1β release were observed. Several essential targets of the NF-κB and NLRP3 signaling pathways were detected. Primary macrophages were isolated to verify the antigout mechanism of chicory extract as well as chicoric acid in vitro. RESULTS Improvements of swelling degree, inflammatory activity, and histopathological lesion in MSU-injected ankles were observed in the treatment with chicory extract. Further, the chicory extract significantly decreased IL-1β release by suppressing the NF-κB and NLRP3 signaling pathways in gout rats. Similar to the in vivo results, IL-1β release was also inhibited by chicory extract and chicoric acid, a specific effective compound in chicory, through the NF-κB and NLRP3 signaling pathways. CONCLUSION This study suggests that chicory extract and chicoric acid may be used as promising therapeutic agents against gout by inhibiting the NF-κB and NLRP3 signaling pathways.
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Affiliation(s)
- Yu Wang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
| | - Zhijian Lin
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
| | - Bing Zhang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
| | - Zhuoxi Jiang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
| | - Fanfan Guo
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
| | - Ting Yang
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing 100102, China.
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Low-Purine Diet Is More Effective Than Normal-Purine Diet in Reducing the Risk of Gouty Attacks After Sleeve Gastrectomy in Patients Suffering of Gout Before Surgery: a Retrospective Study. Obes Surg 2019; 28:1263-1270. [PMID: 29058239 DOI: 10.1007/s11695-017-2984-z] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Obese patients with preoperative gout often suffer of gouty attacks after bariatric surgery (BS), probably due to the lack of an adequate postoperative diet. OBJECTIVES The objectives of the study are to assess whether sleeve gastrectomy (SG) is effective in reducing the frequency of gouty attacks and also whether a postoperative low-purine diet (LPD) may further reduce these attacks as compared to a normal-purine diet (NPD) in a series of patients suffering of gout before SG. METHODS In this retrospective study, we measured and compared total body weight (TBW), body mass index (BMI), uric acid levels (UAL), anti-gout medication (allopurinol) requirements, and frequency in gouty attacks in 40 patients that underwent SG and who received either a LPD (n = 24) or NPD (n = 16). Compliance in following the prescribed diet was assessed in both groups study. RESULTS Before surgery, LPD and NPD patients had hyperuricemia and were receiving allopurinol. One year after SG, LPD and NPD groups showed a significant decrease in serum UAL (p < 0.001 and p = 0.00175, respectively). However, serum UAL decreased more significantly with the LPD compared to the NPD (p < 0.001). Furthermore, while NPD group showed a significant decrease in allopurinol requirements (p = 0.00130) and on the frequency in gouty attacks (p < 0.001), LPD group were off allopurinol therapy and had no gouty attacks 12 months after SG. Both groups showed high compliance in following the prescribed diets. CONCLUSION LPD is more effective in reducing the frequency of gouty attacks after SG compared with NPD in patients suffering of gout before surgery.
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Öztürk R, Atalay İB, Bulut EK, Beltir G, Yılmaz S, Güngör BŞ. Place of orthopedic surgery in gout. Eur J Rheumatol 2019; 6:212-215. [PMID: 31657704 DOI: 10.5152/eurjrheum.2019.19060] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 05/01/2019] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE To evaluate the indications, surgical results, and complications related to tophaceous gout surgery in the orthopedics and traumatology clinic of our hospital. METHODS A retrospective analysis of all patients who underwent surgery for topical gout in our orthopedics and traumatology clinic between January 2008 and December 2017 was carried out. Their history, physical examination, and radiological and laboratory tests were examined. Surgical indications, surgical results, and complications were analyzed. RESULTS Total 18 lesions in 15 patients with gout tophi were operated (60% males). The most common lesion was in the elbow (6; 33%). All patients underwent total excision, and the mean mass size was 4.0 cm. Only one patient had a delayed wound healing. All other patients had no complications. CONCLUSION The results of surgical procedures which were performed to confirm the diagnosis, to reduce mechanical problems due to tophaceous and to alleviate pain were excellent, and complication risk was acceptable. Comorbidities and sepsis were the predictors of surgical complications.
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Affiliation(s)
- Recep Öztürk
- Department of Orthopaedics and Traumatology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - İsmail Burak Atalay
- Department of Orthopaedics and Traumatology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Emin Kürşat Bulut
- Department of Orthopaedics and Traumatology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Galip Beltir
- Department of Orthopaedics and Traumatology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
| | - Selçuk Yılmaz
- University of Health Sciences, Evliya Çelebi Researh and Training Hospital, Kütahya, Turkey
| | - Bedii Şafak Güngör
- Department of Orthopaedics and Traumatology, Ankara Oncology Training and Research Hospital, Ankara, Turkey
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Huang Z, Liu X, Liu Y, Li G, Pan X, Huang Z, Huang Y, Huang Q, Zheng S, Li T. Clinical characteristics and risk factors of ulceration over tophi in patients with gout. Int J Rheum Dis 2019; 22:1052-1057. [PMID: 31119888 DOI: 10.1111/1756-185x.13581] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2019] [Revised: 03/21/2019] [Accepted: 04/01/2019] [Indexed: 12/16/2022]
Abstract
OBJECTIVES To describe clinical characteristics of ulceration over tophi in patients with gout and determine risk factors associated with ulceration. METHODS Patients presenting with tophi or ulceration(s) over tophi were prospectively recruited and their clinical characteristics were recorded. Comparison of clinical characteristics and risk factors for ulceration were analyzed between groups. RESULTS A total of 105 patients were enrolled. Thirty-three patients with ulcerations were older, with prolonged duration with gout and tophi, a higher rate of obesity, greater numbers of tophi, lower levels of glomerular filtration rate (GFR), and higher levels of serum creatinine, erythrocyte sedimentation rate and C-reactive protein. The mean duration of ulceration was 1.63 ± 2.32 months. The ulcerations were mainly located in the ankle (34.21%) and metatarsophalangeal joints (39.47%), with a mean size of 32.37 × 22.76 mm. The majority of ulcerations were categorized as stage I (42.4%) and stage II (51.5%). In univariate regression analysis, age, glucocorticoid overuse, gout duration, tophi duration, tophi number and GFR were associated with ulceration. In the multivariable model, significant differences were demonstrated in glucocorticoid overuse, tophi duration, tophi number. CONCLUSIONS Gout patients with ulceration(s) over tophi present several different aspects of clinical characteristics compared with those without ulceration. The ulcerations are most commonly seen in feet and they are mainly categorized as stages I and II. Glucocorticoid overuse, prolonged duration with tophi and greater numbers of tophi are risk factors for ulceration over tophi.
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Affiliation(s)
- Zhengping Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Xiuqi Liu
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Yuqi Liu
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Guowei Li
- Center for Clinical Epidemiology and Methodology, Guangdong Second Provincial General Hospital, Guangzhou, China
| | - Xia Pan
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Zhixiang Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Yukai Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Qidang Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Shaoling Zheng
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
| | - Tianwang Li
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, China.,The Second School of Clinical Medicine, Southern Medical University, Guangzhou, China
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Kiyani MM, Sohail MF, Shahnaz G, Rehman H, Akhtar MF, Nawaz I, Mahmood T, Manzoor M, Bokhari SAI. Evaluation of Turmeric Nanoparticles as Anti-Gout Agent: Modernization of a Traditional Drug. MEDICINA (KAUNAS, LITHUANIA) 2019; 55:E10. [PMID: 30642012 PMCID: PMC6359362 DOI: 10.3390/medicina55010010] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 12/30/2018] [Accepted: 01/04/2019] [Indexed: 12/19/2022]
Abstract
Background and objectives: Turmeric has assisted in the control of inflammation and pain for decades and has been used in combination with other nutraceuticals to treat acute and chronic osteoarthritis pain. Recently, the effect of turmeric, turmeric extract, or curcuminoids on musculoskeletal pain, either by themselves or in conjunction with other substances, has been reported. The aim of this study was to develop and characterize turmeric nanoparticles (T-NPs) for various parameters, both in vitro and in vivo. Materials and Methods: The T-NPs were successfully synthesized and characterized using particle size analysis, solubility improvement, SEM, EDX, X-ray diffraction, and in vivo antigout activity in mice model. Results: The T-NPs were of about 46 nm in size with a positive zeta potential +29.55 ± 3.44 and low polydispersity index (PDI) (0.264). Furthermore, the diseased mice, with induced gout via monosodium urate crystals, were treated with 5, 10, and 20 ppm T-NPs, administered orally, and the anti-gout potential was observed through measurement of joint diameter and changes in biochemical parameters, including lipid profile, renal function test, and liver function tests which significantly reduced the levels of these biochemical parameters. Conclusions: Uric acid levels were significantly reduced after the treatment with T-NPs. indicating that T-NPs show superior potential against gout management. Thus, T-NPs can be developed as an efficient antigout agent with minimum toxicities.
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Affiliation(s)
- Mubin Mustafa Kiyani
- Department of Bioinformatics and Biotechnology, Faculty of Basic and Applied sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan.
| | - Muhammad Farhan Sohail
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, 54000, Pakistan.
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 44000, Pakistan.
| | - Gul Shahnaz
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 44000, Pakistan.
| | - Hamza Rehman
- Department of Bioinformatics and Biotechnology, Faculty of Basic and Applied sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan.
| | - Muhammad Furqan Akhtar
- Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, 54000, Pakistan.
| | - Irum Nawaz
- Faculty of Rehabilitation and Allied Health Sciences, Riphah International University, Islamabad, 44000, Pakistan.
| | - Tariq Mahmood
- Department of Nanoscience and Technology, National Centre for Physics, Islamabad, 44000, Pakistan.
| | - Mobina Manzoor
- Department of Pharmacy, Lahore College for Women University (LCWU), Lahore, 54000, Pakistan.
| | - Syed Ali Imran Bokhari
- Department of Bioinformatics and Biotechnology, Faculty of Basic and Applied sciences, International Islamic University Islamabad, Islamabad, 44000, Pakistan.
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Fernandes MJ, Naccache PH. The Role of Inhibitory Receptors in Monosodium Urate Crystal-Induced Inflammation. Front Immunol 2018; 9:1883. [PMID: 30177932 PMCID: PMC6109781 DOI: 10.3389/fimmu.2018.01883] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Accepted: 07/30/2018] [Indexed: 11/13/2022] Open
Abstract
Inhibitory receptors are key regulators of immune responses. Aberrant inhibitory receptor function can either lead to an exacerbated or defective immune response. Several regulatory mechanisms involved in the inflammatory reaction induced by monosodium urate crystals (MSU) during acute gout have been identified. One of these mechanisms involves inhibitory receptors. The engagement of the inhibitory receptors Clec12A and SIRL-1 has opposing effects on the responses of neutrophils to MSU. We review the general concepts of inhibitory receptor biology and apply them to understand and compare the modulation of MSU-induced inflammation by Clec12A and SIRL-1. We also discuss gaps in our knowledge of the contribution of inhibitory receptors to the pathogenesis of gout and propose future avenues of research.
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Affiliation(s)
- Maria J Fernandes
- Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, CHU de Québec Research Center, Québec, QC, Canada
| | - Paul H Naccache
- Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, CHU de Québec Research Center, Québec, QC, Canada
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Liang D, Yong T, Chen S, Xie Y, Chen D, Zhou X, Li D, Li M, Su L, Zuo D. Hypouricemic Effect of 2,5-Dihydroxyacetophenone, a Computational Screened Bioactive Compound from Ganoderma applanatum, on Hyperuricemic Mice. Int J Mol Sci 2018; 19:ijms19051394. [PMID: 29735945 PMCID: PMC5983617 DOI: 10.3390/ijms19051394] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Revised: 04/26/2018] [Accepted: 05/03/2018] [Indexed: 12/20/2022] Open
Abstract
Searching novel hypouricemic agents of high efficacy and safety has attracted a great attention. Previously, we reported the hypouricemic effect of Ganoderma applanatum, but its bioactives, was not referred. Herein, we report the hypouricemic effect of 2,5-dihydroxyacetophenone (DHAP), a compound screened from Ganoderma applanatum computationally. Serum parameters, such as uric acid (SUA), xanthine oxidase (XOD) activity, blood urea nitrogen (BUN), and creatinine were recorded. Real-time reverse transcription PCR (RT-PCR) and Western blot were exploited to assay RNA and protein expressions of organic anion transporter 1 (OAT1), glucose transporter 9 (GLUT9), uric acid transporter 1 (URAT1), and gastrointestinal concentrative nucleoside transporter 2 (CNT2). DHAP at 20, 40, and 80 mg/kg exerted excellent hypouricemic action on hyperuricemic mice, reducing SUA from hyperuricemic control (407 ± 31 μmol/L, p < 0.01) to 180 ± 29, 144 ± 13, and 139 ± 31 μmol/L, respectively. In contrast to the renal toxic allopurinol, DHAP showed some kidney-protective effects. Moreover, its suppression on XOD activity, in vivo and in vitro, suggested that XOD inhibition may be a mechanism for its hypouricemic effect. Given this, its binding mode to XOD was explored by molecular docking and revealed that three hydrogen bonds may play key roles in its binding and orientation. It upregulated OAT1 and downregulated GLUT9, URAT1, and CNT2 too. In summary, its hypouricemic effect may be mediated by regulation of XOD, OAT1, GLUT9, URAT1, and CNT2.
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Affiliation(s)
- Danling Liang
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Tianqiao Yong
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Shaodan Chen
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Yizhen Xie
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Diling Chen
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Xinxin Zhou
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
| | - Dan Li
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Muxia Li
- School of Pharmaceutical Science, Guangzhou University of Chinese Medicine, Guangzhou 510006, China.
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Lu Su
- Guangdong Yuewei Edible Fungi Technology Co., Guangzhou 510663, China.
- State Key Laboratory of Applied Microbiology Southern China, Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application and Guangdong Open Laboratory of Applied Microbiology, Guangdong Institute of Microbiology, Guangzhou 510070, China.
| | - Dan Zuo
- Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou 510530, China.
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Abstract
Gout is common in the elderly, affecting an estimated 4.7 million people aged > 60 years in the USA alone. The incidence and prevalence of gout increases, and male predisposition to gout reduces, with increasing age. The elderly have more comorbidities, and gout manifests differently, with more frequent involvement of knees, ankles, and wrists at disease onset, systemic upset, and tophi. Comorbidities and polypharmacy make the management of gout flares challenging in this population. Intra-articular corticosteroid injection remains the treatment of choice for accessible joints, oral prednisolone is preferred over low-dose colchicine, and non-steroidal anti-inflammatory drugs (NSAIDs) are best avoided. Xanthine oxidase inhibitors (XOI) remain the first-line treatment for hyperuricemia in the elderly. Arhalofenate, an emerging uricosuric anti-inflammatory drug, prevents gout flares while reducing serum urate. It may be particularly relevant in the treatment of gout in the elderly as they are unable to tolerate long-term colchicine for flare prophylaxis and frequently have contraindications to corticosteroids and NSAIDs. However, given its modest urate-lowering effect, it can only be used in combination with an XOI, and the safety and efficacy of this drug has not been examined in the elderly or in those with chronic kidney disease. Diuretics and beta-blockers should be discontinued where feasible, whereas low-dose aspirin can be continued if otherwise indicated.
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Affiliation(s)
- Abhishek Abhishek
- Division of Rheumatology, Orthopaedics, and Dermatology, School of Medicine, University of Nottingham, Nottingham, UK.
- Academic Rheumatology, Clinical Sciences Building, City Hospital Nottingham, Nottingham, NG5 1PB, UK.
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Electroacupuncture Alleviates Pain Responses and Inflammation in a Rat Model of Acute Gout Arthritis. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 2018:2598975. [PMID: 29743920 PMCID: PMC5884439 DOI: 10.1155/2018/2598975] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 01/27/2018] [Accepted: 02/11/2018] [Indexed: 12/13/2022]
Abstract
Acute gout arthritis is one of the most painful inflammatory conditions. Treatments for gout pain are limited to colchicine, nonsteroidal anti-inflammatory drugs, and corticosteroids, which oftentimes result in severe adverse effects. Electroacupuncture (EA) has been proved to be effective in relieving many inflammatory pain conditions with few side effects. Here, we aim to investigate the therapeutic potentials of EA on pain and inflammation of a rat model of acute gout arthritis and underlying mechanisms. We found that 2/100 Hz EA produced the most robust analgesic effect on mechanical hyperalgesia of acute gout arthritis rat model compared with 2 and 100 Hz. EA produced similar analgesic effect compared with indomethacin. 2/100 Hz EA also significantly alleviates the ongoing pain behavior, thermal hyperalgesia, and ankle edema. Locally applied μ and κ-opioid receptor antagonists but not adenosine A1 receptor antagonist significantly abolished the analgesic effect of EA. Locally applied μ and κ-opioid receptor agonists produced significant antiallodynia on acute gout arthritis rats, mimicking EA. Furthermore, 2/100 Hz EA upregulated β-endorphin expression in inflamed ankle skin tissue. Our results demonstrated, for the first time, that EA can be used for relieving acute gout arthritis with effect dependent on peripheral opioid system and comparable with the one obtained with indomethacin.
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Abstract
PURPOSE OF REVIEW To discuss alternate models of long-term gout management RECENT FINDINGS: Nurse-led care of gout appears to improve the uptake of and adherence to urate-lowering treatment in a research setting. Less impressive improvements were achieved with pharmacist-led remote management of gout; however, both strategies were more effective than usual primary care provider management of gout. Individualised education about gout, patient involvement in decision-making, and access to trained support in managing side-effects and gout flares can improve the uptake of fine and adherence to urate-lowering treatment. This may be best achieved with nurse-led care of gout. However, further research is required to evaluate if the model of nurse-led care of gout can be implemented in routine clinical practice and in different healthcare systems.
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Yu J, Lu H, Zhou J, Xie Z, Wen C, Xu Z. Oral prednisolone versus non-steroidal anti-inflammatory drugs in the treatment of acute gout: a meta-analysis of randomized controlled trials. Inflammopharmacology 2018; 26:717-723. [PMID: 29357007 DOI: 10.1007/s10787-018-0442-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Accepted: 01/08/2018] [Indexed: 11/25/2022]
Abstract
OBJECTIVES To evaluate the efficacy and safety of oral prednisolone in the treatment of acute gout compared with non-steroidal anti-inflammatory drugs (NSAIDs). METHODS A comprehensive search of databases in both Chinese and English was performed. Data from the selected studies were extracted and analyzed independently by two authors. RESULTS Three double-blind, randomized, controlled trials were included in the final analysis, with a total of 584 patients. Regarding the efficacy, oral prednisolone (30-35 mg/day) was comparable with NSAIDs (naproxen at 500 mg/day or indomethacin at 50-100 mg/day) on the pain relief scale, both in activity (difference in means 0.259, 95% CI - 1.532 to 2.050, P = 0.777) and at rest (difference in means - 0.502, 95% CI - 4.961 to 3.956, P = 0.825) during the first 2-6 h. During the following 4 to 6 days, prednisolone acted with comparable efficacy either in activity (difference in means - 0.552, 95% CI - 1.364 to 0.260, P = 0.183) or at rest (difference in means - 0.164, 95% CI - 0.463 to 0.134, P = 0.281). Regarding safety, prednisolone did not increase the total adverse events (AEs) (risk ratios [RR] 0.765, 95% CI 0.473 to 1.238, P = 0.275) and reduced the withdrawal rate because of the AEs (RR 0.127, 95% CI 0.021-0.763, P = 0.024). Prednisolone decreased the risks of several AEs (including indigestion: RR 0.544, 95% CI 0.311-0.952, P = 0.033; nausea: RR 0.296, 95% CI 0.136-0.647, P = 0.002; and vomiting: RR 0.155, 95% CI 0.033-0.722, P = 0.018) but increased the risk of skin rashes (RR 4.049, 95% CI 1.241-13.158, P = 0.021). CONCLUSIONS Oral prednisolone may be of similar efficacy and a slightly safer strategy for treatment of active, acute gout compared with NSAIDs. Further clinical studies are still warranted to investigate its long-term efficacy and safety.
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Affiliation(s)
- Jie Yu
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China
| | - Haimei Lu
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China
| | - Jia Zhou
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China
| | - Zhijun Xie
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China
| | - Chengping Wen
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China
| | - Zhenghao Xu
- College of Basic Medical Science, Zhejiang Chinese Medical University, Binwen Road 548, Hangzhou, 310053, Zhejiang, China.
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