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Sharma P, Thakur D, Kumar D, Yadav O. Unveiling Xanthine Presence in Rohu Fish Using Ag +-Doped MoS 2 Nanosheets Through Electrochemical Analysis. Appl Biochem Biotechnol 2024; 196:5219-5234. [PMID: 38153654 DOI: 10.1007/s12010-023-04823-0] [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] [Accepted: 12/19/2023] [Indexed: 12/29/2023]
Abstract
Here, we envisage the development of the rapid, reliable, and facile electrochemical sensor for the primary detection of xanthine (Xn) which is significant for the food quality measurement, based on the silver-doped molybdenum disulfide (Ag@MoS2) nanosheets. The structural and compositional properties of the prepared samples were tested through X-ray diffraction (XRD), Fourier transform infrared (FT-IR) spectroscopy, and X-ray photon spectroscopy (XPS). The two-dimensional (2D) MoS2 nanosheets provide the large surface area for the sensing applications and the silver ions help in the enhanced electrochemical response. The fabricated enzymatic biosensor exhibits magnificent cyclic stability with a limit of detection of 27 nM. Also, the sensor was tested for rapid, reproducible, specific, and regenerable up to 10 cycles and has a shelf life of 2 weeks. The outcomes of this study suggest that the proposed matrix could be employed for the fabrication of devices for early detection of xanthine.
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Affiliation(s)
- Prateek Sharma
- Department of B.Sc. (CS), GNIOT Institute of Professional Studies, Greater Noida Institute of Technology, Knowledge Park-II, Greater Noida, U.P, 201310, India.
| | - Deeksha Thakur
- Department of Applied Chemistry, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042, India
| | - Devendra Kumar
- Department of Applied Chemistry, Delhi Technological University, Shahbad Daulatpur, Main Bawana Road, Delhi, 110042, India.
| | - Omprakash Yadav
- Department of Chemistry, Atma Ram Sanatan Dharam College, University of Delhi, Delhi, 110010, India
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Cao M, Yusof HA, Chen J, Jalil MF, Rahim SK, Abdullah MZ. The effect of exercise rehabilitation with exergames combined with ice therapy in the treatment of obese patients with gout: protocol for a clinical trial. Trials 2024; 25:404. [PMID: 38907256 PMCID: PMC11191328 DOI: 10.1186/s13063-024-08237-z] [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: 02/06/2024] [Accepted: 06/10/2024] [Indexed: 06/23/2024] Open
Abstract
BACKGROUND Gout remains a leading cause of inflammatory arthritis worldwide, and the main risk factor for gout is persistent hyperuricemia. The clinical management of gout is mostly drug-based, and other treatment options are often ignored. This research proposal will explore whether exergames combined with ice therapy can help patients with gout to lose weight, relieve pain, improve the range of movement, improve quality of life, decrease uric acid level, decrease kinesiophobia and improve mental health of patients with gout. METHODS This experiment will use a two-arm randomized controlled design. The study setting is at the Advanced Medical and Dental Institute (AMDI), Universiti Sains Malaysia (USM). Obese patients with gout (N = 30) will be randomly assigned to the control group (receive an exergames intervention) and intervention group (receive an exergames intervention combined with ice therapy). The outcomes measurement will be conducted before (baseline) and after intervention (4 weeks). Then, it will be followed up at 12 weeks. DISCUSSION To our knowledge, no study has investigated the effect of exergames and ice therapy among gout patients. This study is expected to demonstrate that exercise rehabilitation facilitated by exergames with ice therapy is more effective in gout management compared to a conventional rehabilitation intervention. TRIAL REGISTRATION Chinese Clinical Trial Registry (ChiCTR2300070029). Registered on 31 March 2023.
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Affiliation(s)
- Manting Cao
- Department of Community Health, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia
- Department of Rehabilitation, Third Affiliated Hospital of Zhejiang Chinese Medical University, Mogan Road, Hangzhou, 310005, China
| | - Hazwani Ahmad Yusof
- Department of Community Health, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia.
| | - Jianer Chen
- Department of Rehabilitation, Third Affiliated Hospital of Zhejiang Chinese Medical University, Mogan Road, Hangzhou, 310005, China.
| | - Mohd Faizal Jalil
- Department of Clinical Medicine, Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia
| | - Siti Khairizan Rahim
- Internal Medicine Unit, USM Bertam Medical Center, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia
| | - Mohamad Zulfadhli Abdullah
- Internal Medicine Unit, USM Bertam Medical Center, Universiti Sains Malaysia, Kepala Batas, Pulau Pinang, 13200, Malaysia
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Wang H, Chen ST, Ding XJ, Kuai L, Hua L, Li X, Wang YF, Zhang M, Li B, Wang RP, Zhou M. Efficacy and safety of Huzhang Granule, a compound Chinese herbal medicine, for acute gouty arthritis: A double-blind, randomized controlled trial. JOURNAL OF INTEGRATIVE MEDICINE 2024; 22:270-278. [PMID: 38553375 DOI: 10.1016/j.joim.2024.03.008] [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: 12/20/2023] [Accepted: 02/22/2024] [Indexed: 05/28/2024]
Abstract
BACKGROUND Acute gouty arthritis (AGA) is an inflammatory joint disease with a high prevalence. Typical medical interventions, including nonsteroidal anti-inflammatory drugs, colchicine and glucocorticoids, can have serious adverse reactions. Huzhang Granule (HZG), a compound Chinese herbal medicine, has been used to treat AGA for more than 30 years with satisfactory effects and no significant adverse reactions. However, the efficacy and safety of HZG in AGA patients remains unknown. OBJECTIVE The present investigation was designed to examine the efficacy and safety profile of HZG in managing AGA patients. DESIGN, SETTING, PARTICIPANTS AND INTERVENTIONS The current study was conducted as a noninferiority, randomized controlled clinical trial on 180 eligible enrolled participants. Participants were randomly assigned into the HZG and etoricoxib groups. Treatments were administered for 5 d, during which the HZG group received HZG and placebo etoricoxib, while the etoricoxib group received etoricoxib and placebo HZG in the same ratio (1:1). MAIN OUTCOME MEASURES The primary outcome was pain experienced by the patient in the gout-afflicted joint from days 2 to 5 of the treatment window. The pain level was measured via a visual analogue scale, ranging from 0 mm to 100 mm. The secondary outcomes comprised joint tenderness and swelling, reduction of inflammatory biomarkers, and the patient's and investigator's global evaluations of therapeutic response. RESULTS The mean reduction in pain was -51.22 mm (95% confidence interval [CI], [-53.42, -49.03] mm) for the HZG and -52.00 mm (95% CI, [-54.06, -49.94] mm) for the etoricoxib groups. The mean difference between the two groups was 0.78 mm (95% CI, [-2.25, 3.81] mm). All additional efficacy endpoints, covering decreased inflammation and pain relief, yielded compelling proof of noninferiority. Patients in the HZG group exhibited a comparatively lower rate of adverse events compared to those in the etoricoxib group (4.44% vs 13.33%; P ≤ 0.05). CONCLUSION HZG and etoricoxib groups demonstrated similar levels of analgesic effectiveness. The safety and efficacy of HZG indicates that it can be used as a potential therapeutic option for treating AGA. TRIAL REGISTRATION Chinese Clinical Trial Registry (ChiCTR2000036970). Please cite this article as: Wang H, Chen ST, Ding XJ, Kuai L, Hua L, Li X, Wang YF, Zhang M, Li B, Wang RP, Zhou M. Efficacy and safety of Huzhang Granule, a compound Chinese herbal medicine, for acute gouty arthritis: A double-blind, randomized controlled trial. J Integr Med. 2024; 22(3): 270-278.
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Affiliation(s)
- Hao Wang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Si-Ting Chen
- Department of Dermatology, the Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang 330000, Jiangxi Province, China
| | - Xiao-Jie Ding
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Le Kuai
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Liang Hua
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Xin Li
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Yi-Fei Wang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Ming Zhang
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China
| | - Bin Li
- Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China; Institute of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Rui-Ping Wang
- Institute of Dermatology, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China.
| | - Mi Zhou
- Department of Dermatology, Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, Shanghai 200437, China; Institute of Dermatology, Shanghai Academy of Traditional Chinese Medicine, Shanghai 201203, China.
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Ji Z, Huang Y, Liang L, Lin P, Guo X, Huang Q, Huang Z, Chen S, Huang Z, Wang B, Huang L, Sun S, Deng W, Li T. Clinical characteristics and risk factors associated with bone erosion in patients with tophi. Adv Rheumatol 2024; 64:18. [PMID: 38438904 DOI: 10.1186/s42358-023-00336-w] [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: 02/13/2023] [Accepted: 10/23/2023] [Indexed: 03/06/2024] Open
Abstract
INTRODUCTION If a large amount of urate crystals is deposited in a joint cavity for an extended period of time, bone erosion will occur and gradually cause skeletal muscle necrosis and joint deformity. The aim of this study was to describe the clinical characteristics and factors associated with bone erosion in gout patients with tophi. METHODS A total of 210 gout patients with tophi were enrolled and divided into a bone erosion group (n = 135) and a non-bone erosion group (n = 75). Digital radiography (DR) was performed to detect bone erosion in the elbow, wrist, knee, ankle joints, interphalangeal and metatarsophalangeal joints. The clinical characteristics were recorded and compared between the two groups. Multivariate logistic regression analysis was conducted to explore the factors associated with bone erosion. RESULTS Compared with the non-bone erosion group, the bone erosion group had an older age, longer disease duration of gout and tophi, higher level of serum creatinine (sCr), higher proportion of drinking history and ulceration, and a lower glomerular filtration rate (GFR). Univariate logistic regression analysis results showed that sex, age, body mass index (BMI), gout duration, tophi duration, GFR, white blood cell (WBC) count, sCr level, smoking history, drinking history, and presence of ulceration were associated with bone destruction. Multivariable logistic regression analysis results indicated that tophi duration, drinking history, ulceration and sCr were positively and independently related to bone erosion. CONCLUSIONS Tophi patients with bone erosion presented different clinical characteristics. Tophi duration, drinking history, ulceration and sCr were associated with bone erosion in gout patients with tophi.
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Affiliation(s)
- Zhuyi Ji
- The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, 510632, China
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Yukai Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Ling Liang
- The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510260, China
| | - Paifeng Lin
- The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, 510632, China
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Xin Guo
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Qidang Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Zhengping Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Shuyang Chen
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Zhixiang Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Biao Wang
- Department of Cardiology, Liuzhou People' s Hospital, Affiliated of Guangxi Medical University, Liuzhou, 545006, China
| | - Lixin Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Shanmiao Sun
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Weiming Deng
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China.
| | - Tianwang Li
- The Affiliated Guangdong Second Provincial General Hospital of Jinan University, Guangzhou, 510632, China.
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China.
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Frazaei MH, Nouri R, Arefnezhad R, Pour PM, Naseri M, Assar S. A Review of Medicinal Plants and Phytochemicals for the Management of Gout. Curr Rheumatol Rev 2024; 20:223-240. [PMID: 37828678 DOI: 10.2174/0115733971268037230920072503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 08/08/2023] [Accepted: 08/10/2023] [Indexed: 10/14/2023]
Abstract
Gout, characterized by elevated uric acid levels, is a common inflammatory joint disease associated with pain, joint swelling, and bone erosion. Existing treatments for gout often result in undesirable side effects, highlighting the need for new, safe, and cost-effective anti-gout drugs. Natural products, including medicinal plants and phytochemicals, have gained attention as potential sources of anti-gout compounds. In this review, we examined articles from 2000 to 2020 using PubMed and Google Scholar, focusing on the effectiveness of medicinal plants and phyto-chemicals in managing gout. Our findings identified 14 plants and nine phytochemicals with anti-gout properties. Notably, Teucrium polium, Prunus avium, Smilax riparia, Rhus coriaria, Foenic-ulum vulgare, Allium cepa, Camellia japonica, and Helianthus annuus exhibited the highest xa-thine oxidase inhibitory activity, attributed to their unique natural bioactive compounds such as phenolics, tannins, coumarins, terpenoids, and alkaloids. Herbal plants and their phytochemicals have demonstrated promising effects in reducing serum urate and inhibiting xanthine. This review aims to report recent studies on plants/phytochemicals derived from herbs beneficial in gout and their different mechanisms.
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Affiliation(s)
- Mohammad Hosein Frazaei
- Department of Pharmacology, Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Roghayeh Nouri
- Department of Pharmacology, Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Arefnezhad
- Anatomical Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Pardis Mohammadi Pour
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Maryam Naseri
- Department of Pharmacology, Medical Technology Research Center, Health Technology Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Shirin Assar
- Clinical Research Development Center, Imam Reza Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Seo YJ, Shim YS, Lee HS, Hwang JS. Association of serum uric acid Levels with metabolic syndromes in Korean adolescents. Front Endocrinol (Lausanne) 2023; 14:1159248. [PMID: 38169712 PMCID: PMC10758490 DOI: 10.3389/fendo.2023.1159248] [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: 02/05/2023] [Accepted: 11/20/2023] [Indexed: 01/05/2024] Open
Abstract
Introduction The study findings investigated uric acid reference values and their association with a cluster of cardiometabolic risk factors among adolescents using the Korea National Health and Nutrition Examination Survey (KNHANES). Methods A retrospective cross-sectional study was conducted using the KNHANES database from 2016 to 2018, involving a total of 2,462 participants aged between 10 and 18 years. Based on age- and sex-specific percentile curves for serum uric acid (SUA) levels from the KNHANES, we examined the correlation between cardiometabolic risk factors and serum uric acid levels. Results The percentile values of SUA varied with sex and age. In male subjects, SUA levels tended to increase from 10 to 14 years of age and plateaued after 14 years of age. Moreover, the overall uric acid level in females was found to be lower than that in males; the levels tended to increase at approximately 10 to 12 years old but were relatively consistent according to age. Mean uric acid levels increased according to obesity status in both males and females. However, correlation analysis revealed that SUA levels were associated with several metabolic risks even after adjusting for obesity. The detailed metabolic syndrome (MetS) components that were observed to be associated with an increase in uric acid levels were different between males and females, but overall, high uric acid levels increased MetS risk. Additionally, a significant increase in MetS-related odds ratio (OR) for components, including waist circumference (WC), triglyceride (TG) levels, and low high-density lipoprotein cholesterol (HDL-c), was observed. However, differences between sexes were apparent, with a more pronounced increase in OR based on SUA levels in girls. Discussion SUA levels were closely associated with MetS and its components, even in nonobese subjects. Therefore, high SUA levels in children and young adolescents should be closely monitored to prevent MetS.
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Affiliation(s)
- Young-Jun Seo
- Department of Pediatrics, Hallym University Chuncheon Sacred Heart Hospital, Chuncheon, Gangwon-do, Republic of Korea
| | - Young Suk Shim
- Department of Pediatrics, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
| | - Hae Sang Lee
- Department of Pediatrics, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
| | - Jin Soon Hwang
- Department of Pediatrics, Ajou University Hospital, Ajou University School of Medicine, Suwon, Gyeonggi-do, Republic of Korea
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Wu Y, Yi R, Zang H, Li J, Xu R, Zhao F, Wang J, Fu C, Chen J. A ratiometric SERS sensor with one signal probe for ultrasensitive and quantitative monitoring of serum xanthine. Analyst 2023; 148:5707-5713. [PMID: 37830373 DOI: 10.1039/d3an01245j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Abstract
Xanthine can be converted into uric acid, and a high concentration of xanthine in the human body can cause many diseases. Therefore, it is important to develop a sensitive, simple, and reliable approach for measuring xanthine in biological liquids. Hence, a ratiometric surface-enhanced Raman spectroscopy (SERS) sensing strategy with one signal probe was exploited for reliable, sensitive, and quantitative monitoring of serum xanthine. 3-Mercaptophenylboronic acid (3-MPBA) was used as a typical reference with a Raman peak at 996 cm-1. First, 3-MPBA was bound to gold nanoflowers@silica (GNFs@Si) through Au-S bonds. Xanthine oxidase (XOD) catalyzed the oxidation of xanthine into H2O2 on GNFs@Si. Afterward, the obtained H2O2 further reduced 3-MPBA to 3-hydroxythiophenol (3-HTP) accompanied by the emergence of a new Raman peak at 883 cm-1. Meanwhile, the Raman intensity at 996 cm-1 remained constant. Therefore, the ratio of I883/I996 increased with the increasing of xanthine concentration, thus realizing quantitative detection of xanthine. As a result, a ratiometric SERS sensor for the detection of xanthine was proposed with a detection limit of 5.7 nM for xanthine. The novel ratiometric SERS sensor provides a new direction for analyzing other biomolecules with high sensitivity and reliability.
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Affiliation(s)
- Yan Wu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
- Postdoctoral Mobile Station of Basic Medical Sciences, Hengyang Medical School, University of South China, Hengyang 421001, China
- Key Laboratory of Food & Environment & Drug Monitoring and Testing of Universities in Hunan Province, Hunan Police Academy, Changsha 410138, China
| | - Rongnan Yi
- Key Laboratory of Food & Environment & Drug Monitoring and Testing of Universities in Hunan Province, Hunan Police Academy, Changsha 410138, China
| | - Honghui Zang
- Chongqing Wankai New Materials Technology Co., Ltd, Fuling, Chongqing 408121, China
| | - Jing Li
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
| | - Rong Xu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
| | - Fang Zhao
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
| | - Junli Wang
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
| | - Cuicui Fu
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
| | - Jinyang Chen
- Chongqing Key Laboratory of Inorganic Special Functional Materials, College of Chemistry and Chemical Engineering, Yangtze Normal University, Fuling, Chongqing 408100, China.
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Mohapatra A, Mohanty A, Sathiyamoorthy P, Chahal S, Vijayan V, Rajendrakumar SK, Park IK. Targeted treatment of gouty arthritis by biomineralized metallic nanozyme-mediated oxidative stress-mitigating nanotherapy. J Mater Chem B 2023; 11:7684-7695. [PMID: 37464890 DOI: 10.1039/d3tb00669g] [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: 07/20/2023]
Abstract
Gouty arthritis is characterized by chronic deposition of monosodium urate (MSU) crystals in the joints and other tissues, resulting in the production of excess reactive oxygen species (ROS) and proinflammatory cytokines that intensify synovial inflammation. This condition is mainly associated with inflammatory M1 macrophage activation and oxidative stress production. Hence, gout symptoms can often be resolved by eliminating M1 macrophage activation and scavenging oxidative stress in the inflamed areas. Herein, we developed M1-macrophage-targeting biomineralized metallic nanozymes (FALNZs) that deplete oxidative stress and reduce the M1 macrophage levels to mitigate gouty arthritis. Intra-articular injection of the FALNZs targets inflammatory macrophages and suppresses ROS levels in joints with MSU-crystal-induced arthritis. In addition, the FALNZs alleviate joint swelling, inflammatory cytokine production, and pathological features of the joints. Overall, the proposed therapeutic approach is biocompatible and is an effective ROS scavenger for the treatment of gouty pathogenesis.
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Affiliation(s)
- Adityanarayan Mohapatra
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
| | - Ayeskanta Mohanty
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
| | - Padmanaban Sathiyamoorthy
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
| | - Sahil Chahal
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
| | - Veena Vijayan
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
| | | | - In-Kyu Park
- Department of Biomedical Science, BK21 PLUS Center for Creative Biomedical Scientists, Chonnam National University Medical School, Gwangju 61469, South Korea.
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9
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Sharma P, Thakur D, Kumar D. Novel Enzymatic Biosensor Utilizing a MoS 2/MoO 3 Nanohybrid for the Electrochemical Detection of Xanthine in Fish Meat. ACS OMEGA 2023; 8:31962-31971. [PMID: 37692241 PMCID: PMC10483649 DOI: 10.1021/acsomega.3c03776] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/08/2023] [Indexed: 09/12/2023]
Abstract
A rapid, reliable, and user-friendly electrochemical sensor was developed for the detection of xanthine (Xn), an important biomarker of food quality. The developed sensor is based on a nanocomposite comprised of molybdenum disulfide-molybdenum trioxide (MoS2/MoO3) and synthesized using a single-pot hydrothermal method. Structural analysis of the MoS2/MoO3 nanocomposite was conducted using X-ray diffraction (XRD) and Raman spectroscopy, while its compositional properties were evaluated through X-ray photoelectron spectroscopy (XPS). Morphological features were observed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Two-dimensional (2D) MoS2 offers advantages such as a high surface-to-volume ratio, biocompatibility, and strong light-matter interaction, whereas MoO3 serves as an effective electron transfer mediator and exhibits excellent stability in aqueous environments. The enzymatic biosensor derived from this nanocomposite demonstrates remarkable cyclic stability and a low limit of detection of 64 nM. It enables rapid, reproducible, specific, and reproducible detection over 10 cycles while maintaining a shelf life of more than 5 weeks. These findings highlight the potential of our proposed approach for the development of early detection devices for Xn.
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Affiliation(s)
- Prateek Sharma
- GNIOT
Institute of Professional Studies, Greater
Noida Institute of Technology, Knowledge Park-II, Greater
Noida, Uttar Pradesh201310, India
| | - Deeksha Thakur
- Department
of Applied Chemistry, Delhi Technological
University, Shahbad Daulatpur, Main Bawana Road, Delhi 110042, India
| | - Devendra Kumar
- Department
of Applied Chemistry, Delhi Technological
University, Shahbad Daulatpur, Main Bawana Road, Delhi 110042, India
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Adampourezare M, Hasanzadeh M, Hoseinpourefeizi MA, Seidi F. Iron/iron oxide-based magneto-electrochemical sensors/biosensors for ensuring food safety: recent progress and challenges in environmental protection. RSC Adv 2023; 13:12760-12780. [PMID: 37153517 PMCID: PMC10157298 DOI: 10.1039/d2ra07415j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Accepted: 03/09/2023] [Indexed: 05/09/2023] Open
Abstract
Foodborne diseases have arisen due to the globalization of industry and the increase in urban population, which has led to increased demand for food and has ultimately endangered the quality of food. Foodborne diseases have caused some of the most common public health problems and led to significant social and economic issues worldwide. Food quality and safety are affected by microbial contaminants, growth-promoting feed additives (β-agonists and antibiotics), food allergens, and toxins in different stages from harvesting to storage and marketing of products. Electrochemical biosensors, due to their reduced size and portability, low cost, and low consumption of reagents and samples, can quickly provide valuable quantitative and qualitative information about food contamination. In this regard, using nanomaterials can increase the sensitivity of the assessment. Magnetic nanoparticle (MNP)-based biosensors, especially, are receiving significant attention due to their low-cost production, physicochemical stability, biocompatibility, and eco-friendly catalytic characteristics, along with magnetic, biological, chemical and electronic sensing features. Here, we provide a review on the application of iron-based magnetic nanoparticles in the electrochemical sensing of food contamination. The types of nanomaterials used in order to improve the methods and increase the sensitivity of the methods have been discussed. Then, we stated the advantages and limitations of each method and tried to state the research gaps for each platform/method. Finally, the role of microfluidic and smartphone-based methods in the rapid detection of food contamination is stated. Then, various techniques like label-free and labelled regimes for the sensitive monitoring of food contamination were surveyed. Next, the critical role of antibody, aptamer, peptide, enzyme, DNA, cells and so on for the construction of specific bioreceptors for individual and simultaneous recognition by electrochemical methods for food contamination were discussed. Finally, integration of novel technologies such as microfluidic and smartphones for the identification of food contaminations were investigated. It is important to point out that, in the last part of each sub-section, attained results of different reports for each strategy were compared and advantages/limitations were mentioned.
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Affiliation(s)
- Mina Adampourezare
- Department of Biology, Faculty of Natural Science, University of Tabriz Tabriz Iran
| | - Mohammad Hasanzadeh
- Pharmaceutical Analysis Research Center, Tabriz University of Medical Sciences Tabriz Iran
- Nutrition Research Center, Tabriz University of Medical Sciences Tabriz Iran
| | | | - Farzad Seidi
- Jiangsu Co-Innovation Center for Efficient Processing and Utilization of Forest Resources and International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University Nanjing 210037 China
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11
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Ahn JK. Epidemiology and treatment-related concerns of gout and hyperuricemia in Korean. JOURNAL OF RHEUMATIC DISEASES 2023; 30:88-98. [PMID: 37483480 PMCID: PMC10324937 DOI: 10.4078/jrd.2022.0001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Revised: 03/15/2023] [Accepted: 03/20/2023] [Indexed: 07/25/2023]
Abstract
Gout is the most common form of inflammatory arthritis that affects mainly middle-aged men, and there is clear evidence of an association between hyperuricemia and the risk for gout. Increasing prevalence of gout and hyperuricemia has been reported in many countries. The prevalence of gout and hyperuricemia are constantly increasing in Korea with the patients at risk for developing a variety of comorbidities. Although there have been studies on the association between gout or serum uric acid level and several neurodegenerative diseases, cancer, and cardiovascular mortality, the causal relationship between gout and these comorbidities are still unclear. The associations of substantial economic burden with hyperuricemia, gout attack, and suboptimal treatment are well known. Gout is a disease that requires lifelong management including lifestyle modification. However, gout is poorly managed worldwide although effective urate-lowering drugs exist. In this review, we addressed epidemiological studies and treatment-related problems in the Korean population with gout or hyperuricemia to obtain the best clinical outcomes and reduce their medical burden.
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Affiliation(s)
- Joong Kyong Ahn
- Divison of Rheumatology, Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
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12
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Mohapatra A, Rajendrakumar SK, Chandrasekaran G, Revuri V, Sathiyamoorthy P, Lee YK, Lee JH, Choi SY, Park IK. Biomineralized Nanoscavenger Abrogates Proinflammatory Macrophage Polarization and Induces Neutrophil Clearance through Reverse Migration during Gouty Arthritis. ACS APPLIED MATERIALS & INTERFACES 2023; 15:3812-3825. [PMID: 36646643 DOI: 10.1021/acsami.2c19684] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
The deposition of monosodium urate (MSU) crystals induces the overexpression of reactive oxygen species (ROS) and proinflammatory cytokines in residential macrophages, further promoting the infiltration of inflammatory leukocytes in the joints of gouty arthritis. Herein, a peroxidase-mimicking nanoscavenger was developed by forming manganese dioxide over albumin nanoparticles loaded with an anti-inflammatory drug, indomethacin (BIM), to block the secretion of ROS and COX2-induced proinflammatory cytokines in the MSU-induced gouty arthritis model. In the MSU-induced arthritis mouse model, the BIM nanoparticles alleviated joint swelling, which is attributed to the abrogation of ROS and inflammatory cytokine secretions from proinflammatory macrophages that induces neutrophil infiltration and fluid building up in the inflammation site. Further, the BIM nanoparticle treatment reduced the influx of macrophages and neutrophils in the injured region by blocking migration and inducing reverse migration in the zebrafish larva tail amputation model as well as in MSU-induced peritonitis and air pouch mouse models. Overall, the current strategy of employing biomineralized nanoscavengers for arthritis demonstrates clinical significance in dual blocking of peroxides and COX2 to prevent influx of inflammatory cells into the sites of inflammation.
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Affiliation(s)
- Adityanarayan Mohapatra
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Santhosh Kalash Rajendrakumar
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
- Department of Chemistry, University of Warwick, CoventryCV4 7AL, United Kingdom
| | - Gopalakrishnan Chandrasekaran
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Vishnu Revuri
- Department of Green Bioengineering, Korea National University of Transportation, Chungju27470, Republic of Korea
| | - Padmanaban Sathiyamoorthy
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Yong-Kyu Lee
- Department of Green Bioengineering, Korea National University of Transportation, Chungju27470, Republic of Korea
| | - Jae Hyuk Lee
- Department of Pathology, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - Seok-Yong Choi
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
| | - In-Kyu Park
- Department of Biomedical Sciences and Center for Global Future Biomedical Scientists at Chonnam National University, Chonnam National University Medical School, Gwangju61469, Republic of Korea
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13
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Nanomaterial-Based Electrochemical Nanodiagnostics for Human and Gut Metabolites Diagnostics: Recent Advances and Challenges. BIOSENSORS 2022; 12:bios12090733. [PMID: 36140118 PMCID: PMC9496054 DOI: 10.3390/bios12090733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/27/2022] [Accepted: 08/31/2022] [Indexed: 11/29/2022]
Abstract
Metabolites are the intermediatory products of metabolic processes catalyzed by numerous enzymes found inside the cells. Detecting clinically relevant metabolites is important to understand their physiological and biological functions along with the evolving medical diagnostics. Rapid advances in detecting the tiny metabolites such as biomarkers that signify disease hallmarks have an immense need for high-performance identifying techniques. Low concentrations are found in biological fluids because the metabolites are difficult to dissolve in an aqueous medium. Therefore, the selective and sensitive study of metabolites as biomarkers in biological fluids is problematic. The different non-electrochemical and conventional methods need a long time of analysis, long sampling, high maintenance costs, and costly instrumentation. Hence, employing electrochemical techniques in clinical examination could efficiently meet the requirements of fully automated, inexpensive, specific, and quick means of biomarker detection. The electrochemical methods are broadly utilized in several emerging and established technologies, and electrochemical biosensors are employed to detect different metabolites. This review describes the advancement in electrochemical sensors developed for clinically associated human metabolites, including glucose, lactose, uric acid, urea, cholesterol, etc., and gut metabolites such as TMAO, TMA, and indole derivatives. Different sensing techniques are evaluated for their potential to achieve relevant degrees of multiplexing, specificity, and sensitivity limits. Moreover, we have also focused on the opportunities and remaining challenges for integrating the electrochemical sensor into the point-of-care (POC) devices.
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14
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Juraschek SP, Gaziano JM, Glynn RJ, Gomelskaya N, Bubes VY, Buring JE, Shmerling RH, Sesso HD. Effects of vitamin C supplementation on gout risk: results from the Physicians' Health Study II trial. Am J Clin Nutr 2022; 116:812-819. [PMID: 35575611 PMCID: PMC9437983 DOI: 10.1093/ajcn/nqac140] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 04/28/2022] [Accepted: 05/11/2022] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND Short-term randomized trials suggest that a 500 mg/d vitamin C supplement reduces serum urate, whereas observational studies show vitamin E is inversely associated with gout risk. OBJECTIVES We evaluated the effect of supplemental vitamin C (prespecified primary exposure) and vitamin E (prespecified secondary exposure) on new diagnoses of gout. METHODS We performed a post hoc analysis of data from the Physicians' Health Study II, a randomized, double-blind, placebo-controlled factorial trial of randomized vitamin C (500 mg/d) and vitamin E (400 IU every other day). The primary outcome was new gout diagnoses, self-reported at baseline and throughout the follow-up period of ≤10 y. RESULTS Of 14,641 randomly assigned male physicians in our analysis, the mean age was 64 ± 9 y; 1% were Black, and 6.5% had gout prior to randomization. The incidence rate of new gout diagnoses during follow-up was 8.0 per 1000 person-years among those assigned vitamin C compared with 9.1 per 1000 person-years among those assigned placebo. The vitamin C assignment reduced new gout diagnoses by 12% (HR: 0.88; 95% CI: 0.77, 0.99; P = 0.04). These effects were greatest among those with a BMI <25 kg/m 2 (P-interaction = 0.01). Vitamin E was not associated with new gout diagnoses (HR: 1.05; 95% CI: 0.92, 1.19; P = 0.48). CONCLUSIONS Vitamin C modestly reduced the risk of new gout diagnoses in middle-aged male physicians. Additional research is needed to determine the effects of higher doses of vitamin C supplementation on serum urate and gout flares in adults with established gout.The Physicians' Health Study II is registered at clinicaltrials.gov (identifier: NCT00270647).
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Affiliation(s)
- Stephen P Juraschek
- Division of General Medicine, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - J Michael Gaziano
- Division of Aging, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Massachusetts Veterans Epidemiology Research and Information Center (MAVERIC), VA Boston Healthcare System, Boston, MA, USA
| | - Robert J Glynn
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Biostatistics, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Natalya Gomelskaya
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Vadim Y Bubes
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA
| | - Julie E Buring
- Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Robert H Shmerling
- Division of Rheumatology and Clinical Immunology, Department of Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Howard D Sesso
- Division of Aging, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Division of Preventive Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.,Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
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15
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Wang J, Sun YC. Revealing the pharmacological effect and mechanism of darutoside on gouty arthritis by liquid chromatography/mass spectrometry and metabolomics. Front Mol Biosci 2022; 9:942303. [PMID: 36090056 PMCID: PMC9448993 DOI: 10.3389/fmolb.2022.942303] [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] [Received: 05/12/2022] [Accepted: 07/27/2022] [Indexed: 11/13/2022] Open
Abstract
Darutoside is a diterpenoids compound with significant anti-inflammatory activity, however the pharmacological action and mechanism are still unclear. Metabolomics strategy was used to uncovering the pharmacological action and effective mechanism of darutoside against acute gouty arthritis rats. Liquid chromatography coupled with mass spectrometry technique was performed to explore the serum metabolites and potential pathways. We found that darutoside can up-regulate the level of glutamate, alanine, chenodeoxycholic acid, 1-methyladenosine, aspartic acid, citric acid, and down-regulate the level of valine, isoleucine, glutamine, alanyl-threonine, pyruvic acid, gamma-aminobutyric acid, uric acid. Metabolic pathway analysis showed that the therapeutic effect of darutoside was involved in amino acid metabolism, sugar metabolism, fatty acid metabolism, energy metabolism, purine metabolism and butanoate metabolism. It indicated that darutoside protect against acute gouty arthritis by regulating the expression of the key protein targets. It revealed that the mechanism of darutoside on acute gouty arthritis, which may be leading to the changes of serum metabolites, metabolic pathways and key protein targets to improve immune system response, inhibit oxidative stress and inflammatory response. It provides a novel method for molecular mechanisms of natural product in the disease treatment.
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Affiliation(s)
- Jing Wang
- School Hospital, Harbin University of Science and Technology, Harbin, China
| | - Yan-Chun Sun
- School Hospital, Harbin University of Science and Technology, Harbin, China
- Heilongjiang River Fisheries Research Institute of Chinese Academy of Fishery Sciences /Laboratory of Quality & Safety Risk Assessment for Aquatic Products (Harbin), Ministry of Agriculture and Rural Areas, Harbin, China
- *Correspondence: Yan-Chun Sun,
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16
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Evaluation of the Cytotoxicity of Aqueous Extract and Oleo-Essential Oil of Dorema ammoniacum Plant Oleo-Gum Resin in Some Human Cancer Cell Lines. Anal Cell Pathol (Amst) 2022; 2022:9725244. [PMID: 35983460 PMCID: PMC9381248 DOI: 10.1155/2022/9725244] [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] [Received: 05/07/2022] [Accepted: 07/15/2022] [Indexed: 11/17/2022] Open
Abstract
Results Aqueous extract and essential oil reduced the viability of A549 cancer cells in a concentration-dependent manner. The lowest inhibitory concentrations (IC50) for both samples of D. ammoniacum oleo-gum resin were 10 and 2.5 μg/ml for 24 hours in A549 cell line, respectively. After treatment with extract and essential oil of D. ammoniacum oleo-gum resin, ROS increased significantly compared to the control group. Although changes in caspase-3 did not show a significant increase in extract, the caspase-3 was found to be increased after exposure to essential oil and caspase-9 was downregulated after exposure to essential oil. Also, exposure to essential oil of D. ammoniacum caused a reduction in MMP level. Conclusion Based on results, the cytotoxic effect of essential oil of D. ammoniacum can induce apoptosis toward A549 cell line via induction of oxidative stress, MMP depletion, and caspase-3 activation, which is independent to mitochondrial cytochrome c release and caspase-9 function.
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Determination of xanthine using a ratiometric fluorescence probe based on boron-doped carbon quantum dots and gold nanoclusters. Mikrochim Acta 2022; 189:148. [PMID: 35299262 DOI: 10.1007/s00604-021-05139-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 12/07/2021] [Indexed: 10/18/2022]
Abstract
A dual-emission ratiometric fluorescent sensing system based on boron-doped carbon quantum dots (B-CQDs) and gold nanoclusters (AuNCs) has been developed for the determination of xanthine. The blue fluorescence of B-CQDs at 445 nm is then reduced by the AuNCs through the inner filter effect (IFE) under a single excitation wavelength of 370 nm. By the catalysis of xanthine oxidase (XOD), xanthine is oxidized by oxygen dissolved in the solution to produce H2O2. The horseradish peroxidase (HRP) catalyzes H2O2 to generate hydroxyl radicals, which can quench the fluorescence of AuNCs, leading to the recovery of the fluorescence of B-CQDs. Based on the relationship between the fluorescence intensity ratio (F445/F665) and the concentration of xanthine, the designed method exhibits a good linearity range of 1.2-500.0 μmol L -1 and a limit of detection of 0.37 μmol L -1. The ratiometric fluorescent is applied to determine xanthine in human urine samples. Good recoveries of spiked samples in the range 99.2-105.0% are obtained by the proposed assay, with relative standard deviations (RSD) ranging from 0.9 to 2.6%.
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18
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Abstract
Arthritis is a common condition affecting millions of people in the UK and worldwide. All members of the dental team will be seeing and treating patients with this condition, and it is important to understand the disease, its management and medications used. This article outlines the five most common types of arthritis: osteoarthritis (OA), rheumatoid arthritis (RA), axial spondyloarthritis (sPA), juvenile idiopathic arthritis (JIA), and gout. It further discusses the medications used to treat these conditions and any dental implications. Finally, advice is offered on considerations for the dental team when treating such patients.
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Affiliation(s)
| | - Matthew Chia
- Consultant Orthodontist, Clinical Lead Orthodontics & Restorative Dentistry, Croydon University Hospital, London, UK
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19
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Efficacy and Safety of Acupuncture Combined with Herbal Medicine in Treating Gouty Arthritis: Meta-Analysis of Randomized Controlled Trials. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2021:8161731. [PMID: 35003310 PMCID: PMC8736704 DOI: 10.1155/2021/8161731] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 10/19/2021] [Accepted: 11/19/2021] [Indexed: 12/12/2022]
Abstract
Background Gouty arthritis is a common metabolic disease caused by long-term purine metabolism and elevated serum uric acid. In recent years, the incidence of gouty arthritis has been increasing year by year. As an effective method for treating gouty arthritis, acupuncture combined with herbal medicine has been widely used in clinical practice. However, the evidence for the treatment needs to be evaluated through systematic review and meta-analysis. Methods. The Cochrane Library, PubMed, Web of Science, EMBASE, China CBM database, Clinical Trials, CNKI, China Wanfang database, and VIP information database were searched from the establishment of each database to March 2021. Randomized controlled trials (RCTs) were included in the study, and the therapeutic effects of acupuncture combined with herbal medicine versus conventional therapy, or acupuncture combined with herbal medicine versus anti-inflammatory drugs, or acupuncture combined with herbal medicine versus acupuncture/herbal medicine alone were compared in the subjects with gouty arthritis. Two authors screened all references, assessed the risk of bias, and independently extracted the data. The binary outcome was summarized using 95% confidence intervals (CIs) and risk ratios (RRs). The overall quality of the evidence was assessed with hierarchy, and meta-analysis was performed with a random-effects model. Results A total of 14 randomized controlled trials (1,065 participants, 540 treatment groups, and 525 control groups) with treatment courses of 5 to 21 days were included. Acupuncture combined with herbal medicine and acupuncture was compared in three trials, acupuncture combined with herbal medicine and conventional therapy was compared in 14 of them, and acupuncture combined with herbal medicine and anti-inflammatory drugs was compared in 8 of them. The clinical efficacy (clinical symptoms, serological tests, and visual analogue scale (VAS) results) was significantly improved in the acupuncture combined with herbal medicine treatment group (P=0.0005, 95% CI 0.03 to 0.13; 687 participants; 8 trials), and the efficacy in reducing uric acid was also better (P < 0.00001; 95% CI −102.89, −68.37; 100 participants; 2 trials; evidence with moderate quality). The effect of acupuncture combined with herbal medicine was better than that of acupuncture alone (RR 1.22, 95%CI 1.06 to 1.41; 139 participants; 3 trials), the effect of acupuncture combined with herbal medicine was better than that of herbal medicine alone (RR 1.31 95%CI 1.08 to 1.57, 100 participants, 2 trials, evidence with moderate quality), and the effect of acupuncture combined with herbal medicine was better than that of colchicine (P = 0.02, RR 1.14 95%CI 1.02 to 1.27, 2 trials, evidence with moderate quality). The incidence of adverse events was considerably different between the two groups, and the acupuncture combined with herbal medicine group was significantly superior to the control group in terms of adverse events (P < 0.00001; 95% CI (0.08 to 0.32)). Conclusions The efficacy of acupuncture combined with herbal medicine was better than conventional drug therapy in treating gouty arthritis. The study results must be interpreted with caution due to the high or unclear risk of bias of the trials included in the study. PROSPERO registration number: CRD42020202544. INPLASY registration number: 202090006.
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Nhi LHH, Minh LHN, Tieu TM, Mostafa EM, Karimzadeh S, Dung NM, Hai Nam N, Phuoc LV, Huy NT. Role of Dual-Energy Computed Tomography in the Identification of Monosodium Urate Deposition in Gout Patients: A Comprehensive Analysis of 828 Joints According to Structural Joint Damage. Cureus 2021; 13:e19930. [PMID: 34966618 PMCID: PMC8710919 DOI: 10.7759/cureus.19930] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/26/2021] [Indexed: 11/07/2022] Open
Abstract
Background Dual-energy computed tomography (DECT) has become a promising, non-invasive procedure for the visualization, characterization, and quantification of monosodium urate (MSU) crystals, which aids clinicians in the diagnosis of gout. In this study, we aimed to examine the diagnostic accuracy of DECT in the evaluation of gout. Methodology This cross-sectional retrospective study included patients who were clinically diagnosed with gout and underwent a DECT scan. Results A majority (80.4%) of the MSU deposits were found in the ankle joints. The presence of MSU deposits on DECT scan was highly correlated with bone erosion in the upper limb (odds ratio [OR] = 132; 95% confidence interval [CI] = 17.3-1004.3), bone sclerosis in the lower limb (OR = 36.4; 95% CI = 15.4-86.1), bone erosion in metacarpophalangeal joints (OR = 160; 95% CI = 42.7-600.2), and bone sclerosis in metatarsophalangeal joints (OR = 35.6; 95% CI = 15.5-81.9). Using linear regression analysis on patient-level data, correlations were found between DECT MSU crystal deposition and damage on all categories of structural joint damage showing significant association with erosion (r = 0.91, p < 0.001) and space narrowing (r = 0.75, p < 0.001) but not with joints having periarticular calcification (r = 0.52, p < 0.041). Conclusions Our study established DECT as a valid method for detecting MSU deposits and their association with structural joint deterioration in a Vietnamese population.
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Affiliation(s)
- Le Huu Hanh Nhi
- Department of Radiology, Vinmec Healthcare System, Ho Chi Minh City, VNM
| | - Le Huu Nhat Minh
- Faculty of Medicine, University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, VNM
| | | | | | - Sedighe Karimzadeh
- Online Research Club, School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, JPN
| | - Nguyen Minh Dung
- Department of Medicine, Vietnam National University, Ho Chi Minh City, VNM
| | | | - Le Van Phuoc
- Department of Radiology, Cho Ray Hospital, Ho Chi Minh City, VNM
| | - Nguyen Tien Huy
- School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, JPN
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Hyperuricemia and Progression of Chronic Kidney Disease: A Review from Physiology and Pathogenesis to the Role of Urate-Lowering Therapy. Diagnostics (Basel) 2021; 11:diagnostics11091674. [PMID: 34574015 PMCID: PMC8466342 DOI: 10.3390/diagnostics11091674] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/09/2021] [Accepted: 09/10/2021] [Indexed: 12/19/2022] Open
Abstract
The relationship between hyperuricemia, gout, and renal disease has been investigated for several years. From the beginning, kidney disease has been considered a complication of gout; however, the viewpoints changed, claiming that hypertension and elevated uric acid (UA) levels are caused by decreased urate excretion in patients with renal impairment. To date, several examples of evidence support the role of hyperuricemia in cardiovascular or renal diseases. Several mechanisms have been identified that explain the relationship between hyperuricemia and chronic kidney disease, including the crystal effect, renin-angiotensin-aldosterone system activation, nitric oxide synthesis inhibition, and intracellular oxidative stress stimulation, and urate-lowering therapy (ULT) has been proven to reduce renal disease progression in the past few years. In this comprehensive review, the source and physiology of UA are introduced, and the mechanisms that explain the reciprocal relationship between hyperuricemia and kidney disease are reviewed. Lastly, current evidence supporting the use of ULT to postpone renal disease progression in patients with hyperuricemia and gout are summarized.
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Abdellatif W, Ding J, Khorshed D, Shojania K, Nicolaou S. Unravelling the mysteries of gout by multimodality imaging. Semin Arthritis Rheum 2021; 50:S17-S23. [PMID: 32620197 DOI: 10.1016/j.semarthrit.2020.04.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Gout is a common inflammatory arthritis that manifests as an aggregate of variably symptomatic monosodium urate crystals (MSU) in the joints and surrounding tissues in addition to multisystem involvement such as genitourinary and cardiovascular systems. In recent decades, there has been a documented increase in the prevalence and incidence of gout. Risk factors for gout include obesity, dietary influences, hypertension, renal impairment, and diuretic use. A prompt diagnosis followed by uric acid lowering treatment prior to the onset of bone destruction is the goal in any suspected case of gout. Advanced imaging modalities, such as dual energy computed tomography (DECT) and ultrasonography (US), employed for the diagnosis of gout are each accompanied by advantages and disadvantages. Conventional radiography (CR), although useful in visualizing joint erosions and mineralization, is limited in its ability to diagnose gout flare. Although synovial fluid aspiration remains the gold standard for MSU crystal visualization, less-invasive imaging modalities are preferred to avoid potential complications. DECT and US in particular are useful in the diagnosis of gout. In this review, we will discuss the current state and role of imaging in the detection of gout.
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Affiliation(s)
- Waleed Abdellatif
- Department of Radiology, Department of Emergency and Trauma Radiology, University of British Columbia/ Vancouver General Hospital, 899W 12th Ave, Vancouver, BC V5Z 1M9, Canada
| | - Jeffrey Ding
- Faculty of Science, University of British Columbia, Vancouver, BC, Canada
| | | | - Kam Shojania
- Department of Rheumatology, University of British Columbia, Vancouver, BC, Canada
| | - Savvas Nicolaou
- Department of Radiology, Department of Emergency and Trauma Radiology, University of British Columbia/ Vancouver General Hospital, 899W 12th Ave, Vancouver, BC V5Z 1M9, Canada.
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Bou-Salah L, Benarous K, Linani A, Rabhi F, Chaib K, Chine I, Bensaidane H, Yousfi M. Anti-inflammatory drugs as new inhibitors to xanthine oxidase: In vitro and in silico approach. Mol Cell Probes 2021; 58:101733. [PMID: 33957269 DOI: 10.1016/j.mcp.2021.101733] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 01/06/2023]
Abstract
The two important targets to treat gout disease are (1) control the hyperuricemia by the inhibition of Xanthine Oxidase (XO) and (2) treatment of acute attacks of gout by the use of anti-inflammatory drugs. It is important to distinguish between therapy to manage hyperuricemia and to reduce acute inflammation. While reducing hyperuricemia is resolved very slowly with available drugs, gout symptoms like pain and inflammation may become persistent. The objective of this study is to find a relevant treatment with a beneficial double effect. (1) As an anti-inflammatory, analgesic, and antipyretic effect and (2) as XO inhibitory effect, which is the main objective of this study. We investigated the effect of five non-steroidal anti-inflammatory drugs (NSAIDs) against human and bovine milk xanthine oxidases (HXO and BXO) using the double enzyme detection method (DED) and molecular docking with the Autodock vina program. in vitro results show that the NSAIDs give an important inhibition to HXO and BXO with an IC50 of 2.04 ± 0.13 μg/ml, 2.75 ± 0.23 μg/ml, 1.45 ± 0.19 μg/ml, 0.31 ± 0.13 μg/ml and 1.27 ± 0.11 μg/ml, for HXO, and 2.96 ± 0.27 μg/ml, 9.46 ± 0.13 μg/ml, 6.21 ± 1.17 μg/ml, 0.83 ± 0.11 μg/ml, and 3.48 ± 0.13 μg/ml, for BXO, for respectively, Naproxen, Ibuprofen, Diclofenac, Indomethacin, and Celecoxib. Testing the inhibitory activity of these drugs on both XOs shows an important inhibition, especially from Indomethacin, which could be a promising lead compound for reducing acute inflammation and at the same time controlling hyperuricemia.
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Affiliation(s)
- Leila Bou-Salah
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria.
| | - Khedidja Benarous
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria; Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Abderahmane Linani
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria
| | - Faiza Rabhi
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Kheira Chaib
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | - Imane Chine
- Biology Department, University of Amar Telidji, Laghouat, Algeria
| | | | - Mohamed Yousfi
- Laboratory of Fundamental Sciences, University of Amar Telidji, Laghouat, Algeria
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Kondratiuk VE, Tarasenko OM, Karmazina OM, Taranchuk VV. Impact of the Synbiotics and Urate-Lowering Therapy on Gut Microbiota and Cytokine Profile in Patients with Chronic Gouty Arthritis. J Med Life 2021; 13:490-498. [PMID: 33456597 PMCID: PMC7803318 DOI: 10.25122/jml-2020-0065] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The main goal of our study is the impact evaluation of complex urate-lowering therapy with the synbiotic addition on fecal microbiota and cytokine profile in patients with primary gout. During our study, 130 men (mean age 55.5 ± 9.4 years) with gout (duration 7.7 ± 7.1 years) were examined. All patients were divided into two treatment groups. The main group (n = 68) was taking allopurinol at 300 mg per day dose and additionally a synbiotic. The comparison group (n = 62) received allopurinol monotherapy without synbiotic intake. The therapy duration was 3 months. Evaluation of therapy efficiency was marked by blood uric acid changes, cytokine levels, CRP and fecal microbiota condition. After treatment, stabilization of the gut microbiota parameters was observed, which was leading to normalization uricemia levels (40.3% vs. 21%, p <0.01) in the main group patients. Addition of synbiotic to allopurinol leads to a blood uric acid lowering (18.7% vs. 13.3%, p <0.01), CRP reduction (75% vs. 26.3%, p <0.01) as well as decrease of cytokines level: IL-1β, IL-6, IL-8, IL-10 and TNFα (all p <0.001). After a 3-month gout treatment, a group of patients who received complex therapy with synbiotic inclusion showed signs of disease remission characterized by inflammation activity reducing, fecal microbiota condition normalization and a more pronounced decrease in laboratory markers comparing to control group.
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Chen S, Huang X, Huang Y, Zhao W, Zheng S, Huang Q, Li T. Role of plasma fibrinogen in assessing disease activity of patients with gout. Clin Chim Acta 2020; 510:483-487. [PMID: 32795545 DOI: 10.1016/j.cca.2020.08.012] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2020] [Revised: 08/05/2020] [Accepted: 08/07/2020] [Indexed: 12/27/2022]
Abstract
BACKGROUND Gout is an inflammatory disease characterized by the deposition of monosodium urate (MSU) in synovial fluid and other tissues. Many studies have shown that the activation of coagulation system had been proposed correlated with systemic inflammation. The concentrations of plasma fibrinogen and D-dimer are increased in abnormal coagulation, emerging as available indicators to predict systemic inflammation. The aim of this study is to reveal the predictive value of plasma fibrinogen, D-dimer in the disease activity of gout patients. METHODS This retrospective study included 334 gout patients and 101 age- and gender- matched healthy controls. The gout patients were divided into two groups according to the gout activity score (GAS = 0.09 × last 12 month attacks + 1.01 × sUA + 0.34 × VAS patient + 0.53 × ln(1 + tophi number). The remission group included 46 patients with GAS of lower than 2.5 and the active group included 288 patients with GAS of 2.5 or higher. Clinical and laboratory data were recorded. The correlations between plasma fibrinogen, D-dimer and GAS were analyzed by Spearman's correlation analysis and Partial correlation analysis. Receiver operating characteristic (ROC) was used to evaluate the diagnostic value for the active group compared with remission group. The predictive value of fibrinogen, D-dimer to the disease activity of gout patients was tested by Binary logistic regression analysis. RESULTS Plasma fibrinogen and D-dimer in gout patients (3.66 (2.88, 5.20), 0.29 (0.22, 0.80)) were increased as compared with the control group (2.88 (2.51, 3.24), 0.22 (0.22, 0.32), both P < 0.001). Fibrinogen and D-dimer in active group (3.91 (3.00, 5.53), 0.34 (0.22, 0.86)) were higher than those in remission group (2.88 (2.34, 3.22), 0.22 (0.22, 0.26), both P < 0.001)). Plasma fibrinogen, D-dimer, ESR and CRP were positively correlated with GAS (r = 0.606, r = 0.419, r = 0.570, r = 0.440, all P < 0.001). ROC curve showed fibrinogen yielded a highest AUC than D-dimer, ESR, CRP. In addition, the optimal cutoff value of fibrinogen for active group was 3.60, with a specificity of 89.1% and sensitivity of 58.3%. Binary logistic regression analysis showed fibrinogen (odds ratio = 2.71, 95% confidence interval: 1.28-5.74, p = 0.011) was a predictor for gout disease activity. CONCLUSION Fibrinogen was increased in active gout group. Fibrinogen can serve as a reliable inflammatory marker for monitoring inflammatory response and disease activity in gout patients.
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Affiliation(s)
- Shuyang Chen
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, Guangdong Province, China; Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Xuechan Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Yukai Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Wenkai Zhao
- University of South China, Hengyang 421000, Hunan Province, China; Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Shaoling Zheng
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Qidang Huang
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China
| | - Tianwang Li
- Department of Rheumatology and Immunology, Guangdong Second Provincial General Hospital, Guangzhou 510317, Guangdong Province, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou 510515, Guangdong Province, China.
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Oh TK, Song IA. Long-term opioid use among patients with chronic gout: a cross-sectional study of a sample cohort in South Korea. Clin Rheumatol 2020; 39:3033-3039. [PMID: 32367408 DOI: 10.1007/s10067-020-05085-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 03/31/2020] [Accepted: 04/02/2020] [Indexed: 12/19/2022]
Abstract
OBJECTIVES This study aimed to determine trends in the prevalence of chronic opioid users among patients with chronic gout in South Korea from 2002 to 2015 and to investigate the factors associated with chronic opioid use among patients with chronic gout. METHODS We performed a population-based cohort study and extracted data from the National Health Insurance Service database in South Korea. We included all adult patients (age ≥ 18 years) with a diagnostic code of M1A* (chronic gout) according to the International Classification of Disease (10th revision). RESULTS The prevalence of chronic opioid users among patients with chronic gout has gradually increased from 4.0% in 2002 to 19.4% in 2015. After excluding the patients who had a history of cancer or other rheumatic diseases, a total of 18,042 patients with chronic gout were included in this cross-sectional cohort study in 2015, of which 993 (5.5%) were long-term opioid users. In a multivariable model, older age, female sex, Charlson Comorbidity Index > 2, long-term use of other analgesics, such as pregabalin, gabapentin, paracetamol, and glucocorticoids, and the use of other gout medication (colchicine) were independently associated with higher rates of long-term opioid use among patients with chronic gout. CONCLUSION Chronic opioid users among patients with chronic gout increased from 2002 to 2015 in South Korea. Female sex, older age, comorbid status, and the use of other non-opioid analgesics were independently associated with higher rates of long-term opioid use among patients with chronic gout. Key Points • Chronic opioid users among patients with chronic gout have increased from 2002 to 2015 in South Korea. • Among patients with chronic gout, 5.5% were long-term opioid users. • Female sex, older age, comorbid status, and the use of other non-opioid analgesics were associated with higher rates of long-term opioid use.
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Affiliation(s)
- Tak Kyu Oh
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam, 463-707, South Korea
| | - In-Ae Song
- Department of Anesthesiology and Pain Medicine, Seoul National University Bundang Hospital, 166 Gumi-ro, Bundang-gu, Seongnam, 463-707, South Korea.
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Rezapour A, Alidoost S, Asgharzadeh A, Farhadi Z, Khodadadi N, Mohammadi Bakhsh R, Sepehrian R, Salemi M, Taheri Mirghaed M, Behzadifar M, Sohrabi R. Cost-effectiveness of allopurinol versus febuxostat in the treatment of gout patients: A systematic review. Med J Islam Repub Iran 2020; 34:41. [PMID: 32884916 PMCID: PMC7456432 DOI: 10.34171/mjiri.34.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Indexed: 11/05/2022] Open
Abstract
Background: In recent years, increased longevity, poor dietary habits, and the rising prevalence of metabolic syndrome and hypertension have increased the prevalence of gout. Gout significantly increases direct and indirect costs and reduces the quality of life. Allopurinol and febuxostat are the most commonly used drugs for reducing uric acid levels and controlling this disease with different cost-effectiveness. The present systematic review compares the cost-effectiveness of these drugs. Methods: This was a systematic review of economic evaluations. Cochrane CENTRAL, Web of Science, PubMed, Embase, and the Cost-Effectiveness Analysis (CEA) Registry were searched up to April 30, 2018, based on the specific search strategy of each database. Keywords used in the search include gout, cost-effectiveness, allopurinol, and febuxostat in MeSH and free-text forms. Screening of identified studies, data extraction, and quality assessment were done independently by 2 reviewers. The quality of studies was assessed based on Drummond Checklist. Finally, a qualitative analysis was done to analyze the results. Results: A total of 94 studies were identified through database search and the review of references. After screening the titles, abstracts, and full-texts, 6 economic evaluations were included in the review. The majority of the studies had been conducted in the US using the Markov model, within a 5-year horizon, and from the payer's perspective, with the quality of life as a measure of effectiveness. In most studies, the incremental cost-effectiveness ratios (ICERs) of febuxostat per quality-adjusted life year (QALY) were below the threshold (10 000$/QALY and 30 000€/QALY). Conclusion: Febuxostat has been shown to be more cost-effective than allopurinol in all treatment sequences in studies that have used uric acid levels as the measure of effectiveness. Furthermore, in studies with the quality of life as the measure of effectiveness, febuxostat has been shown to be very cost-effective as the second-line treatment.
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Affiliation(s)
- Aziz Rezapour
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Saeide Alidoost
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Asra Asgharzadeh
- Health Technology Assessment Group (HTAG), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Zeynab Farhadi
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Najme Khodadadi
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | | | - Razieh Sepehrian
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Morteza Salemi
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Masood Taheri Mirghaed
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Masoud Behzadifar
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Rahim Sohrabi
- Health Management and Economics Research Center, Iran University of Medical Sciences, Tehran, Iran
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Te Kampe R, Janssen M, van Durme C, Jansen TL, Boonen A. Sex Differences in the Clinical Profile Among Patients With Gout: Cross-sectional Analyses of an Observational Study. J Rheumatol 2020; 48:286-292. [PMID: 32611671 DOI: 10.3899/jrheum.200113] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2020] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Research findings in gout result predominantly from studies about men and might not be generalizable to women. To improve insight into sex differences in gout, our study compared clinical characteristics and comorbidities of female and male patients with gout, and explored the influence of menopause on these differences. METHODS Data from patients referred to 2 rheumatology clinics and diagnosed with gout were used. Clinical characteristics and comorbidities of each sex were compared univariately. Sex difference in comorbidities were further explored in multivariate logistic regression analyses adjusting for age, BMI, smoking, and alcohol consumption in both the total group and in those with gout onset ≥ 55 years (as a surrogate for menopausal state). RESULTS There were 954 patients, including 793 (83%) men, included. Women were on average older (65 vs 62 yrs), were more often obese (54% vs 36%), had a higher serum uric acid (sUA) level (0.53 vs 0.49 mmol/L), used diuretics more often (60% vs 30%), and consumed alcohol less frequently (47% vs 72%). Additionally, women more frequently had reduced renal function (64% vs 31%), hypertension (78% vs 56%), heart failure (23% vs 12%), and type 2 diabetes (39% vs 17%; all P < 0.05). In those with gout onset ≥ 55 years, differences in comorbidities were less pronounced and disappeared after adjusting for lifestyle. CONCLUSION Our study confirmed sex differences in clinical characteristics and comorbidities among newly diagnosed patients with gout, and revealed that sex differences in comorbidities among those with gout onset beyond the age of female menopause were strongly attenuated and fully explained by lifestyle.
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Affiliation(s)
- Ritch Te Kampe
- R. te Kampe, MSc, Department of Internal Medicine, Maastricht University Medical Center, Care and Public Health Research Institute (CAPHRI), Maastricht University, Department of Rheumatology, VieCuri Medical Center;
| | - Matthijs Janssen
- M. Janssen, MD, PhD, T.L. Jansen, MD, PhD, Department of Rheumatology, VieCuri Medical Center
| | - Caroline van Durme
- C. van Durme, MD, Department of Internal Medicine, Maastricht University Medical Center, the Netherlands, Centre Hospitalier Chrétien, Liège, Belgium
| | - Tim L Jansen
- M. Janssen, MD, PhD, T.L. Jansen, MD, PhD, Department of Rheumatology, VieCuri Medical Center
| | - Annelies Boonen
- A. Boonen, Prof, MD, PhD, Department of Internal Medicine, Maastricht University Medical Center, Care and Public Health Research Institute (CAPHRI), Maastricht University, the Netherlands
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Te Kampe R, van Durme C, Janssen M, van Eijk-Hustings Y, Boonen A, Jansen TL. Comparative Study of Real-Life Management Strategies in Gout: Data From Two Protocolized Gout Clinics. Arthritis Care Res (Hoboken) 2020; 72:1169-1176. [PMID: 31150161 DOI: 10.1002/acr.23995] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 05/28/2019] [Indexed: 12/13/2022]
Abstract
OBJECTIVE To compare outcomes of 2 gout clinics that implemented different treatment strategies. METHODS Patients newly diagnosed with gout and a follow-up of 9-15 months were included. Co-primary outcomes were the proportion of patients reaching a serum uric acid (UA) ≤0.36 mmoles/liter and free of flares. Secondary outcomes were the proportion of patients requiring treatment intensification and experiencing adverse events. One clinic adopted a strict serum UA (≤0.30 mmoles/liter target) strategy, with early addition of a uricosuric to allopurinol, and the other clinic adopted a patient-centered (PC) strategy emphasizing a shared decision based on serum UA and patient satisfaction with gout control. Independent t-tests or chi-square tests were used to test differences in outcomes, and logistic regressions were used to adjust the effect of the treatment center on outcomes for confounders. RESULTS In total, 126 and 86 patients had a follow-up mean ± SD of 11.3 ± 1.8 versus 11.1 ± 1.9 months. In the UA strategy, 105 of 126 patients (83%) compared to 63 of 86 (74%) in the PC strategy (P = 0.10) reached the threshold of ≤0.36 mmoles/liter; and 58 of 126 (46%) versus 31 of 86 (36%) were free of flares (P = 0.15). In the UA strategy, 76 of 126 patients (60%) were on allopurinol monotherapy compared to 63 of 86 (73%) in the PC strategy (P = 0.05), yet the number of adverse events was not different (n = 25 [20%] versus n = 20 [23%]; P = 0.55). Adjusting for confounders did not substantially change these associations. CONCLUSION A strict UA strategy resulted in a nonsignificantly higher proportion of patients reaching a serum UA ≤0.36 mmoles/liter and being free of flares. This result was accomplished with significantly more therapy intensification. The small sample size plays a role in the significance of results.
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Affiliation(s)
- R Te Kampe
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | - C van Durme
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | - M Janssen
- VieCuri Medical Centre, Venlo, The Netherlands
| | | | - A Boonen
- Maastricht University Medical Centre, Maastricht, The Netherlands
| | - T L Jansen
- VieCuri Medical Centre, Venlo, The Netherlands
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Mathew MR, Anand SK, Radecki J, Radecka H, Girish Kumar K. Simple and Cost-effective “Turn-on” Fluorescence Sensor for the Determination of Xanthine. J Fluoresc 2020; 30:695-702. [DOI: 10.1007/s10895-020-02543-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 04/15/2020] [Indexed: 12/11/2022]
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Shin SH, Jeong J, Kim JH, Sohn KY, Yoon SY, Kim JW. 1-Palmitoyl-2-Linoleoyl-3-Acetyl-rac-Glycerol (PLAG) Mitigates Monosodium Urate (MSU)-Induced Acute Gouty Inflammation in BALB/c Mice. Front Immunol 2020; 11:710. [PMID: 32395118 PMCID: PMC7196669 DOI: 10.3389/fimmu.2020.00710] [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: 10/24/2019] [Accepted: 03/30/2020] [Indexed: 12/25/2022] Open
Abstract
Acute gouty arthritis is an auto-inflammatory disease caused by the deposition of monosodium urate (MSU) crystals in joints or tissues. Excessive neutrophil recruitment into gouty lesions is a general clinical sign and induces a pain phenotype. Attenuation of successive periods of neutrophil infiltration might be a beneficial approach to achieve therapeutic efficacy. In this study, the activity of 1-palmitoyl-2-linoleoyl-3-acetyl-rac-glycerol (PLAG) in attenuation of excess neutrophil infiltration was assessed in gout-induced lesions of BALB/c mice. Neutrophil infiltration in MSU-induced gouty lesions was analyzed using immunohistochemical staining. ELISA and RT-PCR were used to measure attenuation of expression of the major neutrophil chemoattractant, CXC motif chemokine ligand 8 (CXCL8), in a PLAG-treated animal model and in cells in vitro. The animal model revealed massive increased neutrophil infiltration in the MSU-induced gouty lesions, but the PLAG-treated mice had significantly reduced neutrophil numbers in these lesions. The results also indicated that the MSU crystals stimulated a damage-associated molecular pattern that was recognized by the P2Y6 purinergic receptor. This MSU-stimulated P2Y6 receptor was destined to intracellular trafficking. During intracellular endosomal trafficking of the receptor, endosome-dependent signaling provided expression of CXCL8 chemokines for neutrophil recruitment. PLAG accelerated initiation of the intracellular trafficking of the P2Y6 receptor and returning the receptor to the membrane. This process shortened the intracellular retention time of the receptor anchoring endosome and subsequently attenuated endosome-dependent signaling for CXCL8 expression. These study results suggested that PLAG could be used for resolution of acute inflammation induced in gout lesions.
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Affiliation(s)
- Su-Hyun Shin
- Division of Systems Biology and Bioengineering, Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, South Korea
| | - Jinseon Jeong
- Division of Global New Drug Development, ENZYCHEM Lifesciences, Seoul, South Korea
| | - Joo Heon Kim
- Department of Pathology, EulJi University School of Medicine, Daejeon, South Korea
| | - Ki-Young Sohn
- Division of Global New Drug Development, ENZYCHEM Lifesciences, Seoul, South Korea
| | - Sun Young Yoon
- Division of Global New Drug Development, ENZYCHEM Lifesciences, Seoul, South Korea
| | - Jae Wha Kim
- Division of Systems Biology and Bioengineering, Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon, South Korea.,Department of Functional Genomics, University of Science and Technology, Daejeon, South Korea
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Khan MZH, Ahommed MS, Daizy M. Detection of xanthine in food samples with an electrochemical biosensor based on PEDOT:PSS and functionalized gold nanoparticles. RSC Adv 2020; 10:36147-36154. [PMID: 35517073 PMCID: PMC9056998 DOI: 10.1039/d0ra06806c] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Accepted: 09/21/2020] [Indexed: 01/24/2023] Open
Abstract
An innovative biosensor assembly relying on glassy carbon electrodes modified with nanocomposites consisting of poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) as a host matrix with functionalized gold nanoparticles (GCE/PEDOT:PSS-AuNPs) is presented for the selective and sensitive detection of xanthine (XA). The developed sensor was successfully applied for the quantification of XA in the presence of significant interferents like hypoxanthine (HXA) and uric acid (UA). Different spectroscopy and electron microscopy analyses were done to characterize the as-prepared nanocomposite. Calibration responses for the quantification of XA was linear from 5.0 × 10−8 to 1.0 × 10−5 M (R2 = 0.994), with a detection limit as low as 3.0 × 10−8 (S/N = 3). Finally, the proposed sensor was applied for the analyses of XA content in commercial fish and meat samples and satisfactory recovery percentage was obtained. An innovative biosensor with glassy carbon electrodes modified with poly(3,4-ethylenedioxythiophene) polystyrene sulfonate nanocomposites as a host matrix with functionalized gold nanoparticles for the selective and sensitive detection of xanthine.![]()
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Affiliation(s)
- M. Z. H. Khan
- Dept. of Chemical Engineering
- Jashore University of Science and Technology
- Jashore 7408
- Bangladesh
| | - M. S. Ahommed
- Department of Chemistry
- Graduate School of Science
- Tohoku University
- Sendai 980-8578
- Japan
| | - M. Daizy
- Dept. of Chemical Engineering
- Jashore University of Science and Technology
- Jashore 7408
- Bangladesh
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The impact of adoption of a new urate-lowering agent on trends in utilization and cost in practice. PLoS One 2019; 14:e0221504. [PMID: 31449565 PMCID: PMC6709886 DOI: 10.1371/journal.pone.0221504] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Accepted: 06/13/2019] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Changes in treatment choice of therapy and size of treated population that can lead to under- or overestimate of payer's budget are less likely to be reassured after reimbursement adoption of a new drug. The aim of this study was to evaluate the effects of febuxostat introduction and the modifications in its insurance coverage on the utilization and expenditure of urate-lowering therapy (ULT). METHODS Electronic medical records for adults patients prescribed any ULT during 2010-2015 was derived from the largest medical organization in Taiwan. Aggregated estimates of ULT use and costs were assessed per 3-month and per patient per month (PPPM). Factors associated with total ULT expenditure were assessed using a time series design with factored Autoregressive Integrated Moving Average (ARIMA) models. RESULTS ULT prevalent users increased 34.1% from 2010 to 2015 and a 123% increase in total ULT expenditure. Numbers on allopurinol and sulfinpyrazone both declined 31%, and on benzbromarone and febuxostat gradually increased to 38.21% and 22.89% of all users in 2015. Insurance payments PPPM ($4.44 to $9.22) and total monthly ULT cost ($32,946 to $ 85,732) growth more than doubled in 6 years, trend changes generated mostly by individuals switching to febuxostat. CONCLUSIONS ULT use moved to favor benzbromarone and febuxostat; greater expensive uptake for febuxostat led to a rapid rise in ULT cost. Marginal values of increasing access to febuxostat for asymptomatic hyperuricemia should be focus on future studies to facilitate drug prices negotiation and ensure appropriate ULT use.
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Chen L, Li M, Wu JL, Li JX, Ma ZC. Effect of lemon water soluble extract on hyperuricemia in a mouse model. Food Funct 2019; 10:6000-6008. [DOI: 10.1039/c9fo00509a] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
Lemon is a healthy fruit with high medicinal value.
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Affiliation(s)
- Lin Chen
- College of Horticulture and Forestry Sciences
- Huazhong Agricultural University
- Key Laboratory of Horticultural Plant Biology
- Ministry of Education
- Wuhan 430070
| | - Ming Li
- College of Horticulture and Forestry Sciences
- Huazhong Agricultural University
- Key Laboratory of Horticultural Plant Biology
- Ministry of Education
- Wuhan 430070
| | - Jin-Long Wu
- College of Horticulture and Forestry Sciences
- Huazhong Agricultural University
- Key Laboratory of Horticultural Plant Biology
- Ministry of Education
- Wuhan 430070
| | - Jin-Xue Li
- Institute of Tropical and Subtropical Cash Crops
- Yunan Academy of Agricultural Sciences
- Baoshan
- China
| | - Zhao-Cheng Ma
- College of Horticulture and Forestry Sciences
- Huazhong Agricultural University
- Key Laboratory of Horticultural Plant Biology
- Ministry of Education
- Wuhan 430070
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Bulbin D, Denio AE, Berger A, Brown J, Maynard C, Sharma T, Kirchner HL, Ayoub WT. Improved Gout Outcomes in Primary Care Using a Novel Disease Management Program: A Pilot Study. Arthritis Care Res (Hoboken) 2018; 70:1679-1685. [DOI: 10.1002/acr.23544] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Accepted: 02/06/2018] [Indexed: 11/09/2022]
Affiliation(s)
| | | | | | - Jason Brown
- Geisinger Medical Center Danville Pennsylvania
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Lee YY, Tang CH, Chen JH, Kuo LN, Ko Y. Evaluation of healthcare costs and utilization for patients with gout: a population-based matched cohort study. Curr Med Res Opin 2018; 34:735-740. [PMID: 29243513 DOI: 10.1080/03007995.2017.1417826] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
OBJECTIVES To better understand the economic burden of gout patients in Taiwan, a nationwide retrospective study was conducted to compare the healthcare costs and utilization between gout and gout-free patients. METHODS The Longitudinal Health Insurance Database (LHID) 2010 was used to identify gout cases and matched gout-free controls. Gout cases were defined as having (1) at least three instances of diagnoses of gout on medical claims, or (2) one diagnosis of gout with at least one gout-related pharmacy claim in 2011. A control cohort was matched with cases at a 3:1 ratio by age, gender, residential area, and the Charlson Comorbidity Index. All medical utilization and costs per patient within the 365 days following the index date were compared between cases and controls. RESULTS Out of 993,332 beneficiaries, a total of 21,376 matched gout patients met the gout inclusion criteria. Compared to controls, gout patients had more outpatient visits (mean = 31.2 vs 22.6), inpatient visits (mean = 1.7 vs 1.5), and ER visits (mean = 1.9 vs 1.7) (all p < .0001), as well as more outpatient costs (median = USD $634 vs $404), inpatient costs (median = USD $1330 vs $1254), and ER costs (median = USD $87 vs $89) (all p < .05). CONCLUSION Gout patients had higher medical utilization and costs than gout-free patients. In gout patients, all-cause and gout-related utilization were mostly outpatient visits, whereas most of the all-cause and gout-related costs were due to hospitalization. The study findings could be useful for future economic evaluations and healthcare resource allocation.
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Affiliation(s)
- Yi-Yun Lee
- a Department of Pharmacy, College of Pharmacy , Taipei Medical University , Taipei , Taiwan
- b Department of Pharmacy , Wan Fang Hospital, Taipei Medical University , Taipei City , Taiwan
| | - Chao-Hsiun Tang
- c School of Health Care Administration, College of Management , Taipei Medical University , Taipei City , Taiwan
| | - Jin-Hua Chen
- d Biostatistics Center/Masters Program in Big Data Technology and Management, College of Management , Taipei Medical University , Taipei City , Taiwan
| | - Li-Na Kuo
- a Department of Pharmacy, College of Pharmacy , Taipei Medical University , Taipei , Taiwan
- b Department of Pharmacy , Wan Fang Hospital, Taipei Medical University , Taipei City , Taiwan
| | - Yu Ko
- a Department of Pharmacy, College of Pharmacy , Taipei Medical University , Taipei , Taiwan
- e Research Center of Pharmacoeconomics, College of Pharmacy , Taipei Medical University , Taipei , Taiwan
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Kim SK. Interrelationship of Uric Acid, Gout, and Metabolic Syndrome: Focus on Hypertension, Cardiovascular Disease, and Insulin Resistance. JOURNAL OF RHEUMATIC DISEASES 2018. [DOI: 10.4078/jrd.2018.25.1.19] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Seong-Kyu Kim
- Division of Rheumatology, Department of Internal Medicine, Arthritis and Autoimmunity Research Center, Catholic University of Daegu School of Medicine, Daegu, Korea
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38
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Zhao Q, Wang L, Wu X, Liu T, Xu J, Li M, Li B, Guo M, Cheng Z. 'Shi Han Quan' natural soda water prevents development of gout. Int J Rheum Dis 2017; 21:330-337. [PMID: 29083095 DOI: 10.1111/1756-185x.13181] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
PURPOSE This study aimed to explore the regulatory mechanism of the natural soda Shi Han Quan (SHQ) in the development of gout. METHODS Human umbilical vein endothelial cells (HUVECs) were stimulated with monosodium urate (MSU) for 24 h to induce acute gouty inflammation in vitro. HUVECs were divided into four groups: ddH2 O group, ddH2 O + MSU group, 1/2 ddH2 O +1/2 SHQ + MSU group, and SHQ + MSU group. The effects of SHQ on cell viability, concentration and expression of intercellular adhesion molecule-1 (ICAM-1), and MSU-induced release of interleukin (IL)-1β and IL-6 were investigated. Additionally, cell viability and ICAM-1 concentration and expression were detected after HUVECs were incubated with the culture supernatant of THP-1 cells that had been treated with phorbol 12-myristate 13-acetate (PMA), MSU and SHQ for 24 h. RESULTS The viability of HUVECs was significantly decreased with increasing transfection concentrations of MSU, and MSU treatment resulted in a significant increase of the concentration and expression of ICAM-1. In addition, SHQ improved the MSU-induced decrease in cell viability and alleviated MSU-mediated increase in ICAM-1 levels. Moreover, SHQ decreased MSU-induced release of IL-1β and IL-6. After HUVECs were incubated with the culture supernatant of THP-1 cells that had been treated with PMA, MSU and SHQ for 24 h, SHQ also markedly alleviated the effects of MSU, such as by increasing cell viability and decreasing ICAM-1 levels. CONCLUSIONS Drinking natural soda water may have a significant role in preventing gouty inflammation.
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Affiliation(s)
- Qingsong Zhao
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Lipei Wang
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Xiongbin Wu
- Department of Anesthesiology, No.211 Hospital of PLA, Harbin, China
| | - Tingting Liu
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinmei Xu
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Ming Li
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Bo Li
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Min Guo
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Zhifeng Cheng
- Department of Endocrinology, the Fourth Affiliated Hospital of Harbin Medical University, Harbin, China
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Anti-Gouty Arthritis and Antihyperuricemia Effects of Sunflower (Helianthus annuus) Head Extract in Gouty and Hyperuricemia Animal Models. BIOMED RESEARCH INTERNATIONAL 2017; 2017:5852076. [PMID: 28929115 PMCID: PMC5591994 DOI: 10.1155/2017/5852076] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 07/08/2017] [Accepted: 07/19/2017] [Indexed: 12/26/2022]
Abstract
This study was performed to investigate the therapeutic effects and possible mechanisms of sunflower (Helianthus annuus) head extract (SHE) on gout. First, the components of sunflower head powder and SHE were analyzed systematically. SHE, especially SHEB (extracted with 20% ethanol and 80% double-distilled water), strongly suppressed the swelling of the ankles in rats with acute gout induced by monosodium urate (MSU) crystals and reduced the levels of uric acid and xanthine oxidase (XO) in mice with hyperuricemia induced by oteracil potassium and yeast extract powder. Hematoxylin and eosin staining indicated that SHEB reduced inflammation cells and increased the joint space in the ankle compared with the control rats with MSU-induced gout. In the rats with acute gout, among 13 detected inflammatory cytokines, SHEB significantly enhanced the serum levels of interleukin-10 and the monocyte chemoattractant protein 1α. In the mice with hyperuricemia, SHEB reduced the levels of glutathione peroxidase, superoxide dismutase, malondialdehyde, and nitrogen monoxide in liver tissues. The potential therapeutic effects of SHE on gout are probably due to the production of anti-inflammatory cytokines and the suppression of XO activity via the modulation of oxidative stress status.
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Powers JM, Murphy G, Ralph N, O'Gorman SM, Murphy JEJ. Polypharmacy and sun exposure: Implications for mitochondrial DNA deletions in skin. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017. [PMID: 28649007 DOI: 10.1016/j.jphotobiol.2017.06.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Most somatic cells contain many copies of mitochondrial DNA (mtDNA). Because of both the high copy number and the lack of repair mechanisms available to mtDNA, damage to it largely goes unrepaired, and can accumulate over time. Large scale deletions are a recognised type of damage sustained by mtDNA as a consequence of exposure to the ultraviolet light in sunlight. A group of patients were identified as having abnormally high levels of either a 4977 base pair deletion (mtDNA4977) or 3895 base pair deletion (mtDNA3895), in mtDNA from sun exposed skin or skin suspected to be a non-melanoma skin cancer, but not in their non-sun exposed skin biopsies. In three of the four cases, skin cancer was ruled out due to histological testing. Additional factors from these patients' medical histories were studied, and it was noted that they shared diagnoses for multiple pathologies common to an older population, and that they were being treated with the same or related pharmaceuticals, including some that had been known to cause dermal side effects. Investigation into the biochemistry underlying the symptoms, the effects of sun exposure and side effects of the prescribed pharmaceuticals revealed a possible synergistic relationship leading to the localised high levels of mtDNA deletions.
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Affiliation(s)
- Julia Montelin Powers
- Mitochondrial Biology & Radiation Research Centre, Dept Life Sciences, IT Sligo, Sligo, Ireland.
| | | | - Nikki Ralph
- Dept of Dermatology, Beaumont Hospital, Dublin, Ireland
| | | | - James E J Murphy
- Mitochondrial Biology & Radiation Research Centre, Dept Life Sciences, IT Sligo, Sligo, Ireland
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Chen W, Wu Y, Bi R, Liu S, Liu Z, Liu Z, Song F, Shi Y. Therapeutic Effects of Selaginella tamariscina
on the Model of Acute Gout with Hyperuricemia in Rats Based on Metabolomics Analysis. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201600810] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Weijia Chen
- School of Pharmaceutical Sciences; Jilin University; Changchun Jilin 130021 China
| | - Yi Wu
- School of Pharmaceutical Sciences; Jilin University; Changchun Jilin 130021 China
| | - Rongbing Bi
- School of Pharmaceutical Sciences; Jilin University; Changchun Jilin 130021 China
| | - Shu Liu
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry & Chemical Biology Laboratory, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun Jilin 130022 China
| | - Zhongying Liu
- School of Pharmaceutical Sciences; Jilin University; Changchun Jilin 130021 China
| | - Zhiqiang Liu
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry & Chemical Biology Laboratory, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun Jilin 130022 China
| | - Fengrui Song
- National Center of Mass Spectrometry in Changchun & Jilin Province Key Laboratory of Chinese Medicine Chemistry and Mass Spectrometry & Chemical Biology Laboratory, Changchun Institute of Applied Chemistry; Chinese Academy of Sciences; Changchun Jilin 130022 China
| | - Yi Shi
- School of Pharmaceutical Sciences; Jilin University; Changchun Jilin 130021 China
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Dervisevic M, Dervisevic E, Çevik E, Şenel M. Novel electrochemical xanthine biosensor based on chitosan-polypyrrole-gold nanoparticles hybrid bio-nanocomposite platform. J Food Drug Anal 2017; 25:510-519. [PMID: 28911636 PMCID: PMC9328835 DOI: 10.1016/j.jfda.2016.12.005] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 11/28/2016] [Accepted: 12/25/2016] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was the electrochemical detection of the adenosine-3-phosphate degradation product, xanthine, using a new xanthine biosensor based on a hybrid bio-nanocomposite platform which has been successfully employed in the evaluation of meat freshness. In the design of the amperometric xanthine biosensor, chitosan-polypyrrole-gold nanoparticles fabricated by an in situ chemical synthesis method on a glassy carbon electrode surface was used to enhance electron transfer and to provide good enzyme affinity. Electrochemical studies were carried out by the modified electrode with immobilized xanthine oxidase on it, after which the biosensor was tested to ascertain the optimization parameters. The Biosensor exhibited a very good linear range of 1-200 μM, low detection limit of 0.25 μM, average response time of 8 seconds, and was not prone to significant interference from uric acid, ascorbic acid, glucose, and sodium benzoate. The resulting bio-nanocomposite xanthine biosensor was tested with fish, beef, and chicken real-sample measurements.
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Affiliation(s)
| | - Esma Dervisevic
- Mehmed-pase-Sokolovica, No 21, Bihac 77000, Bosnia and Herzegovina
| | - Emre Çevik
- Biotechnology Research Lab, EMC Technology Inc, ARGEM Building, Technocity, Avcılar, Istanbul 34320, Turkey
| | - Mehmet Şenel
- Biotechnology Research Lab, EMC Technology Inc, ARGEM Building, Technocity, Avcılar, Istanbul 34320, Turkey.
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Mitri G, Wittbrodt ET, Turpin RS, Tidwell BA, Schulman KL. Cost Comparison of Urate-Lowering Therapies in Patients with Gout and Moderate-to-Severe Chronic Kidney Disease. J Manag Care Spec Pharm 2017; 22:326-36. [PMID: 27023686 PMCID: PMC10398203 DOI: 10.18553/jmcp.2016.22.4.326] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Patients with chronic kidney disease (CKD) are at increased risk for developing gout and having refractory disease. Gout flare prevention relies heavily on urate-lowering therapies such as allopurinol and febuxostat, but clinical decision making in patients with moderate-to-severe CKD is complicated by significant comorbidity and the scarcity of real-world cost-effectiveness studies. OBJECTIVE To compare total and disease-specific health care expenditures by line of therapy in allopurinol and febuxostat initiators after diagnosis with gout and moderate-to-severe CKD. METHODS A retrospective observational cohort study was conducted to compare mean monthly health care cost (in 2012 U.S. dollars) among gout patients with CKD (stage 3 or 4) who initiated allopurinol or febuxostat. The primary outcome was total mean monthly health care expenditures, and the secondary outcome was disease-specific (gout, diabetes, renal, and cardiovascular disease [CVD]) expenditures. Gout patients (ICD-9-CM 274.xx) aged ≥ 18 years with concurrent CKD (stage 3 or 4) were selected from the MarketScan databases (January 2009-June 2012) upon allopurinol or febuxostat initiation. Patients were followed until disenrollment, discontinuation of the qualifying study agent, or use of the alternate study agent. Patients initiating allopurinol were subsequently propensity score-matched (1:1) to patients initiating febuxostat. Five generalized linear models (GLMs) were developed, each controlling for propensity score, to identify the incremental costs (vs. allopurinol) associated with febuxostat initiation in first-line (without prior allopurinol exposure) and second-line (with prior allopurinol exposure) settings. RESULTS Propensity score matching yielded 2 cohorts, each with 1,486 patients (64.6% male, mean [SD] age 67.4 [12.8] years). Post-match, 74.6% of patients had stage 3 CKD; 82.9% had CVD; and 42.1% had diabetes. The post-match sample was well balanced on numerous comorbidities and medication exposures with the following exception: 50.0% of febuxostat initiators were treated in the second-line setting; that is, they had baseline exposure to allopurinol, whereas only 4.2% of allopurinol initiators had baseline exposure to febuxostat. Unadjusted mean monthly cost was $1,490 allopurinol and $1,525 febuxostat (P = 0.809). GLM results suggest that first-line febuxostat users incurred significantly (P = 0.009) lower cost than allopurinol users ($1,299 vs. $1,487), whereas second-line febuxostat initiators incurred significantly (P = 0.001) higher cost ($1,751 vs. $1,487). Febuxostat initiators in both settings had significantly (P < 0.001) higher gout-specific cost, due to higher febuxostat acquisition cost. Increased gout-specific cost in the first-line febuxostat cohort was offset by significantly (P < 0.001) lower CVD ($288 vs. $459) and renal-related cost ($86 vs. $216). There were no significant differences in either renal or CVD costs (adjusted) between allopurinol initiators treated almost exclusively in the first-line setting and second-line febuxostat patients. CONCLUSIONS Gout patients with concurrent CKD, initiating treatment with febuxostat in a first-line setting, incurred significantly less total cost than patients initiating allopurinol during the first exposure to each agent. Conversely, patients treated with second-line febuxostat following allopurinol incurred significantly higher total cost than patients initiating allopurinol. There was no significant difference in total cost between the agents across line of therapy. Although study findings suggest the potential for CVD and renal-related savings to offset febuxostat's higher acquisition cost in gout patients with moderate-to-severe CKD, this is the first such retrospective evaluation. Future research is warranted to both demonstrate the durability of study findings and to better elucidate the mechanism by which associated cost offsets occur. DISCLOSURES No outside funding supported this study. Turpin is an employee of Takeda Pharmaceuticals U.S.A. Mitri and Wittbrodt were employees of Takeda Pharmaceuticals U.S.A. at the time of this study. Tidwell and Schulman are employees of Outcomes Research Solutions, consultants to Takeda Pharmaceuticals U.S.A. All authors contributed to the design of the study and to the writing and review of the manuscript. All authors read and approved the final manuscript. Tidwell and Schulman collected the data, and all authors participated in data interpretation.
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Affiliation(s)
- Ghaith Mitri
- 1 Medical Director, Mid-America Region, naviHealth, Chicago, Illinois
| | - Eric T Wittbrodt
- 2 Principal Health Outcomes Liaison, Daiichi Sankyo, Parsipanny, New Jersey
| | - Robin S Turpin
- 3 Director and Head, U.S. Health Economics and Outcomes Research, Medical Affairs, Takeda Pharmaceuticals U.S.A., Deerfield, Illinois
| | - Beni A Tidwell
- 4 Research Associate, Outcomes Research Solutions, Shrewsbury, Massachusetts
| | - Kathy L Schulman
- 5 Research Scientist and Principal, Outcomes Research Solutions, Shrewsbury, Massachusetts
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Aung T, Myung G, FitzGerald JD. Treatment approaches and adherence to urate-lowering therapy for patients with gout. Patient Prefer Adherence 2017; 11:795-800. [PMID: 28458524 PMCID: PMC5403120 DOI: 10.2147/ppa.s97927] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Gout is the most common inflammatory arthritis characterized by painful disabling acute attacks. It is caused by hyperuricemia and deposition of urate crystals in and around the joints. Long-standing untreated hyperuricemia can lead to chronic arthritis with joint damage, tophi formation and urate nephropathy. Gout is associated with significant morbidity and health care associated cost. The goal of long-term therapy is to lower the serum urate level to promote dissolution of urate crystals, reduce recurrent acute gout flares, resolve tophi and prevent joint damage. Despite the presence of established gout treatment guidelines and effective medications to manage gout, patient outcomes are often poor. Etiology for these shortcomings is multifactorial including both physician and patient characteristics. Poor adherence to urate-lowering therapy (ULT) is prevalent and is a significant contributor to poor patient outcomes. This article reviews the treatment strategies for the management of hyperuricemia in chronic gout, gaps in quality of care in gout management, factors contributing to poor adherence to ULT and discusses potential interventions to achieve improved gout-related outcomes. These interventions include initiation of prophylactic anti-inflammatory medication when starting ULT, frequent follow-ups, regular serum urate monitoring and improved patient education, which can be achieved through pharmacist- or nurse-assisted programs. Interventions such as these could improve adherence to ULT and, ultimately, result in optimal gout-related outcomes.
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Affiliation(s)
- Thanda Aung
- Division of Rheumatology/Department of Internal Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - Gihyun Myung
- Division of Rheumatology/Department of Internal Medicine, University of California, Los Angeles, Los Angeles, CA, USA
| | - John D FitzGerald
- Division of Rheumatology/Department of Internal Medicine, University of California, Los Angeles, Los Angeles, CA, USA
- Correspondence: John D FitzGerald, David Geffen School of Medicine, University of California at Los Angeles, 1000 Veteran Ave, 32–59 Los Angeles, CA 90024, USA, Tel +1 310 794 5100, Fax +1 310 206 8606, Email
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Toker S, Boone-Kukoyi Z, Thompson N, Ajifa H, Clement T, Ozturk B, Aslan K. Microwave Heating of Synthetic Skin Samples for Potential Treatment of Gout Using the Metal-Assisted and Microwave-Accelerated Decrystallization Technique. ACS OMEGA 2016; 1:744-754. [PMID: 27917407 PMCID: PMC5131323 DOI: 10.1021/acsomega.6b00233] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2016] [Accepted: 10/17/2016] [Indexed: 05/30/2023]
Abstract
Physical stability of synthetic skin samples during their exposure to microwave heating was investigated to demonstrate the use of the metal-assisted and microwave-accelerated decrystallization (MAMAD) technique for potential biomedical applications. In this regard, optical microscopy and temperature measurements were employed for the qualitative and quantitative assessment of damage to synthetic skin samples during 20 s intermittent microwave heating using a monomode microwave source (at 8 GHz, 2-20 W) up to 120 s. The extent of damage to synthetic skin samples, assessed by the change in the surface area of skin samples, was negligible for microwave power of ≤7 W and more extensive damage (>50%) to skin samples occurred when exposed to >7 W at initial temperature range of 20-39 °C. The initial temperature of synthetic skin samples significantly affected the extent of change in temperature of synthetic skin samples during their exposure to microwave heating. The proof of principle use of the MAMAD technique was demonstrated for the decrystallization of a model biological crystal (l-alanine) placed under synthetic skin samples in the presence of gold nanoparticles. Our results showed that the size (initial size ∼850 μm) of l-alanine crystals can be reduced up to 60% in 120 s without damage to synthetic skin samples using the MAMAD technique. Finite-difference time-domain-based simulations of the electric field distribution of an 8 GHz monomode microwave radiation showed that synthetic skin samples are predicted to absorb ∼92.2% of the microwave radiation.
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Affiliation(s)
- Salih Toker
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Zainab Boone-Kukoyi
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Nishone Thompson
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Hillary Ajifa
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Travis Clement
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Birol Ozturk
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
| | - Kadir Aslan
- Department
of Chemistry and Department of Physics and Engineering Physics, Morgan State University, 1700 East Cold Spring Lane, Baltimore, Maryland 21251, United States
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Troster SM, Raizman JE, Rubin L. An Unusual Case of Gout in a Young Woman with Gitelman Syndrome. J Rheumatol 2016; 43:2085-2087. [PMID: 27803353 DOI: 10.3899/jrheum.160244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
- Sarah M Troster
- Division of Rheumatology, St. Michael's Hospital, University of Toronto, Toronto, Ontario
| | - Joshua E Raizman
- Department of Pathology and Laboratory Medicine, University of Alberta Hospital, University of Alberta, Edmonton, Alberta
| | - Laurence Rubin
- Division of Rheumatology, St. Michael's Hospital, University of Toronto, Toronto, Ontario, Canada.
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Kapetanovic MC, Hameed M, Turkiewicz A, Neogi T, Saxne T, Jacobsson L, Englund M. Prevalence and incidence of gout in southern Sweden from the socioeconomic perspective. RMD Open 2016; 2:e000326. [PMID: 27933209 PMCID: PMC5133407 DOI: 10.1136/rmdopen-2016-000326] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Revised: 09/04/2016] [Accepted: 09/07/2016] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVES To estimate the prevalence and cumulative incidence of gout in southern Sweden with respect to socioeconomic status. METHODS Among residents of Skåne region in the year 2013 (total population 1.3 million), adult persons (age 18 years +) who between 1998 and 2013 received a diagnosis of gout (International Classification of Disease 10th Edition (ICD-10) code M10) by any physician were identified using the Skåne Healthcare Register. We calculated the point prevalence by end of 2013 and annual cumulative incidence in 2013 standardised to the whole Skåne population according to sex, individual information on occupation (white collar/blue collar), income (low/middle/high) and level of education (primary school/high school/university). RESULTS The crude 2013 point prevalence of gout and 2013 cumulative incidence (95% CI) were 1.69% (1.66% to 1.71%) and 24 cases per 10 000 persons (23-25), respectively. Compared to women, men had higher point prevalence (2.44% (2.40% to 2.49%) vs 0.96% (0.93% to 0.98%)) and higher annual cumulative incidence (33 cases per 10 000 (32-35)) versus 15 (14-16)). These figures increased with higher age but decreased with higher level of education, being the lowest in individuals with a university degree. Persons with middle income had highest point prevalence and cumulative incidence of gout, while those with white collar occupations had the lowest. CONCLUSIONS Gout is the most common inflammatory arthritis in southern Sweden with a prevalence of ∼1.7% in the adult population. There is a socioeconomic gradient with more gout present in the lower level of education and with more manual labour.
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Affiliation(s)
- Meliha C Kapetanovic
- Department of Clinical Sciences, Lund, Section for Rheumatology, Lund University, Lund and Skåne University Hospital, Section for Rheumatology in Lund and Malmö, Lund, Sweden
| | - Mohaned Hameed
- Department of Clinical Sciences, Lund, Section for Rheumatology, Lund University, Lund and Skåne University Hospital, Section for Rheumatology in Lund and Malmö, Lund, Sweden
| | - Aleksandra Turkiewicz
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Clinical Epidemiology Unit, Lund University, Lund, Sweden
| | - Tuhina Neogi
- Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Tore Saxne
- Department of Clinical Sciences, Lund, Section for Rheumatology, Lund University, Lund and Skåne University Hospital, Section for Rheumatology in Lund and Malmö, Lund, Sweden
| | - Lennart Jacobsson
- Department of Rheumatology & Inflammation Research, Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
| | - Martin Englund
- Faculty of Medicine, Department of Clinical Sciences Lund, Orthopedics, Clinical Epidemiology Unit, Lund University, Lund, Sweden
- Clinical Epidemiology Research and Training Unit, Boston University School of Medicine, Boston, Massachusetts, USA
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Dervisevic M, Dervisevic E, Senel M, Cevik E, Abasiyanik FM. Novel Amperometric Xanthine Biosensors Based on REGO-NP (Pt, Pd, and Au) Bionanocomposite Film. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0665-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Abstract
Gouty arthritis, one of the most painful and common forms of adult arthritis, is caused by monosodium urate crystal deposits in joints, most often in the lower extremities. Crystals trigger an inflammatory response leading to acute flares characterized by a rapid onset of pain, warmth, swelling, and redness in involved joints. Over time, continued monosodium urate crystal deposits and inflammation can lead to chronic tophaceous gout that result in bone erosion, progressing to joint destruction and significant disability. The goal of therapy in an acute gout flare is prompt and safe termination of pain and inflammation. Acute gouty arthritis is usually treated with nonsteroidal anti-inflammatory drugs, colchicine, or corticosteroids. However, for a growing number of patients, current standard treatments are ineffective or are contraindicated, largely due to the presence of comorbidities. Gouty arthritis can have a major negative impact of health-related quality of life, especially in patients with difficult-to-treat disease, as revealed by recent studies comparing health-related quality of life with that of the general population. Additionally, gouty arthritis also constitutes an important economic burden through absence from work and medical costs. This burden is even greater in patients with difficult-to-treat disease.
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Ruoff G, Edwards NL. Overview of Serum Uric Acid Treatment Targets in Gout: Why Less Than 6 mg/dL? Postgrad Med 2016; 128:706-15. [DOI: 10.1080/00325481.2016.1221732] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Gary Ruoff
- Department of Family Practice, Michigan State University, Kalamazoo, MI, USA
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