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https://www.readbyqxmd.com/read/28225966/chronic-tophaceous-gout-in-patients-with-psoriasis
#1
Laís Cruz Lobato, Jéssica Castiel Coutinho, Maria Zeli Moreira Frota, Antonio Pedro Mendes Schettini, Mônica Santos
Psoriasis is a chronic inflammatory disease of multifactorial etiology influenced by genetic, immunological, and environmental factors. We report the case of a patient with psoriasis for more than 25 years who developed hyperuricemia and chronic tophaceous gout with unusual appearance. In psoriasis, hyperuricemia may occur by increased epidermal cell turnover, which accelerates purine metabolism and has uric acid as the product of its catabolism. The association of psoriasis with hyperuricemia can trigger the onset of gouty arthritis, and pose a greater risk of developing other inflammatory comorbidities...
January 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/28197935/anti-inflammatory-effect-of-total-saponin-fraction-from-dioscorea-nipponica-makino-on-gouty-arthritis-and-its-influence-on-nalp3-inflammasome
#2
Qi Zhou, Dong-Hua Yu, Ning Zhang, Shu-Min Liu
OBJECTIVE: To investigate the mechanism of Chinese herbal medicine Dioscorea nipponica for the treatment of monosodium urate crystals-induced gouty arthritis (GA) in rats. METHODS: Sixty male Wistar rats were divided into 6 groups: normal, model, indomethacin and three total saponin (900, 300 and 100 mg/kg) groups. The liver, kidney and serum levels of lysosomal enzymes, antioxidant capacities, and inflammatory factors were measured. In addition, the mRNA and protein levels of the NALP3 inflammasome components in the mononuclear cells of rats' peripheral blood were analyzed using real-time polymerase chain reaction and Western blotting methods, respectively...
February 15, 2017: Chinese Journal of Integrative Medicine
https://www.readbyqxmd.com/read/28187927/value-of-shear-wave-elastography-in-the-diagnosis-of-gouty-and-non-gouty-arthritis
#3
Yuanjiao Tang, Feng Yan, Yujia Yang, Xi Xiang, Liyun Wang, Lingyan Zhang, Li Qiu
Our aim was to analyze the diagnostic performance of shear wave elastography (SWE) in the diagnosis of gouty arthritis (GA) and non-gouty arthritis (non-GA). Thirty-nine patients in the GA group and 55 patients in the non-GA group were included in the study. Based on the echo intensity of the joint lesions, the GA group was subdivided into hypo-echoic GA, slightly hyper-echoic GA and hyper-echoic GA subgroups. Quantitative SWE features were evaluated and receiver operating characteristic analysis was performed...
February 7, 2017: Ultrasound in Medicine & Biology
https://www.readbyqxmd.com/read/28167912/c5a-regulates-il-1%C3%AE-production-and-leukocyte-recruitment-in-a-murine-model-of-monosodium-urate-crystal-induced-peritonitis
#4
Hanif J Khameneh, Adrian W S Ho, Federica Laudisi, Heidi Derks, Matheswaran Kandasamy, Baalasubramanian Sivasankar, Gim Gee Teng, Alessandra Mortellaro
Gouty arthritis results from the generation of monosodium urate (MSU) crystals within joints. These MSU crystals elicit acute inflammation characterized by massive infiltration of neutrophils and monocytes that are mobilized by the pro-inflammatory cytokine IL-1β. MSU crystals also activate the complement system, which regulates the inflammatory response; however, it is unclear whether or how MSU-mediated complement activation is linked to IL-1β release in vivo, and the various roles that might be played by individual components of the complement cascade...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28095258/the-safety-of-treatment-options-available-for-gout
#5
Naomi Schlesinger
Gout is the most common inflammatory arthritis in humans. Gout treatment includes rapid initiation of anti-inflammatory medications for acute attacks and chronically treating with urate lowering drugs as well as chronic anti-inflammatory prophylaxis. Areas covered: This review aims to provide an overview and discussion of the safety concerns of current treatment options available for gout. Expert opinion: Gout is a curable disease with appropriate treatment. The advent of new therapies provides encouraging opportunities to improve gout management...
January 17, 2017: Expert Opinion on Drug Safety
https://www.readbyqxmd.com/read/28078432/-evidence-based-recommendations-for-diagnostics-and-treatment-of-gouty-arthritis-in-the-specialist-sector-s2e-guidelines-of-the-german-society-of-rheumatology-in-cooperation-with-the-awmf
#6
REVIEW
U Kiltz, R Alten, M Fleck, K Krüger, B Manger, U Müller-Ladner, H Nüsslein, M Reuss-Borst, A Schwarting, H Schulze-Koops, A K Tausche, J Braun
Due to the increasing prevalence of gout, particularly in old age, the disease is becoming of increasing importance in Germany. Gout is one of the most common forms of recurrent inflammatory arthritis and is induced by the deposition of monosodium urate crystals in synovial fluid and other tissues. The principal goals of therapy in chronic gout are the symptomatic treatment of the acute joint inflammation and the causal treatment of the underlying metabolic cause, the hyperuricemia. Only a consistent and permanent reduction of the serum uric acid level ultimately results in an efficient avoidance of further gout attacks and therefore the prevention of structural damage...
January 11, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28068647/berberine-an-isoquinoline-alkaloid-suppresses-txnip-mediated-nlrp3-inflammasome-activation-in-msu-crystal-stimulated-raw-264-7-macrophages-through-the-upregulation-of-nrf2-transcription-factor-and-alleviates-msu-crystal-induced-inflammation-in-rats
#7
Palani Dinesh, MahaboobKhan Rasool
The current study was designed to investigate the therapeutic potential of berberine on monosodium urate (MSU) crystal stimulated RAW 264.7 macrophages and in MSU crystal induced rats. Our results indicate that berberine (25, 50 and 75μM) suppressed the levels of pro-inflammatory cytokines (interleukin-1beta (IL-1β) and tumor necrosis factor alpha (TNFα)) and intracellular reactive oxygen species in MSU crystal stimulated RAW 264.7 macrophages. The mRNA expression levels of IL-1β, caspase 1, nucleotide-binding oligomerization domain-like receptor pyrin domain containing 3 (NLRP3), thioredoxin interacting protein (TXNIP) and kelch-like ECH-associated protein 1 (Keap1) were found downregulated with the upregulation of nuclear factor erythroid-2-related factor 2 (Nrf2) transcription factor and its associated anti-oxidant enzymes: Heme oxygenase I (HO-1), superoxide dismutase (SOD1), glutathione peroxidase (GPx), NADPH quinone oxidoreductase-1 (NQO1) and catalase (CAT) in MSU crystal stimulated RAW 264...
January 6, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28058498/diagnostic-accuracy-of-dual-energy-ct-and-ultrasound-in-gouty-arthritis-a%C3%A2-systematic-review
#8
J Chen, M Liao, H Zhang, D Zhu
OBJECTIVE: The aim of our study was to compare the overall accuracy of ultrasonography (US), with at least one sign positive (double contour, tophus, aggregates), and dual-energy CT in the diagnosis of gouty arthritis. METHODS: PubMed, Web of Science, EI, Elsevier, Wiley Online Library and Cochrane library were systematically searched for studies on the diagnostic performance of dual-energy CT (DECT) and ultrasound (US) from 2005 to February 2016. After study selection, data and quality assessment, the sensitivity (SEN), specificity (SPE), diagnostic odds rate (DOR), positive likelihood ratio (PLR), negative likelihood ratio (NLR) and summary receiver operating contraction racteristic (SROC) curves were calculated...
January 5, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28004164/longitudinal-transition-trajectory-of-gouty-arthritis-and-its-comorbidities-a-population-based-study
#9
Chien-Fang Huang, Ju-Chi Liu, Hui-Chuan Huang, Shao-Yuan Chuang, Chang-I Chen, Kuan-Chia Lin
The aim of the study was to investigate the longitudinal transition trajectory of gout and its comorbidities in male patients with gout in different age groups. A total of 3973 male patients who received a new diagnosis of gouty arthritis were identified from the Taiwan Longitudinal Health Insurance Database and divided into two age cohorts (<50 and ≥50 years). Each patient was individually followed from 2000 to 2009 to identify associated comorbidities, namely hypertension, hypercholesterolemia, diabetes mellitus, cardiovascular diseases, and chronic kidney disease...
February 2017: Rheumatology International
https://www.readbyqxmd.com/read/27973769/plasmonic-schirmer-strip-for-human-tear-based-gouty-arthritis-diagnosis-using-surface-enhanced-raman-scattering
#10
Moonseong Park, Hyukjin Jung, Yong Jeong, Ki-Hun Jeong
Biomarkers in tear fluid have attracted much interest in daily healthcare sensing and monitoring. Recently, surface-enhanced Raman scattering (SERS) has enabled highly sensitive label-free detection of small molecules. However, a highly stable straightforward tear assay with superior sensitivity is still under development in tear collection and analysis. Here we report a plasmonic Schirmer strip for on-demand, rapid, and simple identification of biomarkers in human tears. The diagnostic strip features gold nanoislands directly and evenly formed on the top surface of cellulose fibers, which maintain a hygroscopic nature for an efficient collection of tear production as well as provide plasmonic enhancement in SERS signals for identification of tear molecules...
December 16, 2016: ACS Nano
https://www.readbyqxmd.com/read/27951538/colchicine-in-renal-medicine-new-virtues-of-an-ancient-friend
#11
Yalcin Solak, Dimitrie Siriopol, Abdulmecit Yildiz, Mahmut Ilker Yilmaz, Alberto Ortiz, Adrian Covic, Mehmet Kanbay
Colchicine is a plant-derived alkaloid that disrupts the cell microtubule system and accumulates in neutrophils, inhibiting neutrophil adhesion and recruitment. Colchicine has been used extensively in the prevention and treatment of gouty arthritis attacks, familial Mediterranean fever attacks and resultant AA amyloidosis, and recurrent pericarditis. Colchicine also disrupts the intracellular traffic of additional inflammatory and fibrosis mediators. Renal fibrosis is the final common pathway of chronic renal disease...
December 13, 2016: Blood Purification
https://www.readbyqxmd.com/read/27941730/efficacy-of-vitamin-c-in-lowering-serum-uric-acid
#12
M R Choudhury, S M Haq, A A Saleh, F Hakim, A K Azad
The objective of the study was to determine the efficacy of vitamin C in reducing serum uric acid (UA). This study was a double-blind placebo-controlled randomized trial conducted in the Department of Rheumatology, Bangabandhu Sheikh Mujib Medical University (BSMMU) Dhaka, Bangladesh from July 2007 and August 2008. Study participants were included from out patient department (OPD) of Rheumatology of BSMMU suffering from various Rheumatological problems other than gouty arthritis. All of the participants were non-smokers, non-alcoholics, and randomized to take either placebo or vitamin C (500 mg/day) for 12 weeks...
October 2016: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/27941389/factors-modulating-the-inflammatory-response-in-acute-gouty-arthritis
#13
Maartje C Cleophas, Tania O Crişan, Leo A B Joosten
PURPOSE OF REVIEW: Gout is a common debilitating form of arthritis and despite our extensive knowledge on the pathogenesis its prevalence is still rising quickly. In the current review, we provide a concise overview of recent discoveries in factors tuning the inflammatory response to soluble uric acid and monosodium urate crystals. RECENT FINDINGS: It appears that soluble uric acid has a much larger role to play than just being a risk factor for gout. It may have widespread consequences for systemic inflammation and the development of metabolic syndrome...
March 2017: Current Opinion in Rheumatology
https://www.readbyqxmd.com/read/27934918/targeting-asc-in-nlrp3-inflammasome-by-caffeic-acid-phenethyl-ester-a-novel-strategy-to-treat-acute-gout
#14
Hye Eun Lee, Gabsik Yang, Nam Doo Kim, Seongkeun Jeong, Yunjin Jung, Jae Young Choi, Hyun Ho Park, Joo Young Lee
Gouty arthritis is caused by the deposition of uric acid crystals, which induce the activation of NOD-like receptor family, pyrin domain containing 3(NLRP3) inflammasome. The NLRP3 inflammasome, composed of NLRP3, the adaptor protein ASC, and caspase-1, is closely linked to the pathogenesis of various metabolic diseases including gouty arthritis. We investigated whether an orally administrable inhibitor of NLRP3 inflammasome was effective for alleviating the pathological symptoms of gouty arthritis and what was the underlying mechanism...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27923029/neutrophils-are-not-required-for-resolution-of-acute-gouty-arthritis-in-mice
#15
Laurent L Reber, Nicolas Gaudenzio, Philipp Starkl, Stephen J Galli
No abstract text is available yet for this article.
December 6, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27923022/reply-to-neutrophils-are-not-required-for-resolution-of-acute-gouty-arthritis-in-mice
#16
Christiane Reinwald, Christine Schauer, Janka Zsófia Csepregi, Deborah Kienhöfer, Daniela Weidner, Marie Malissen, Attila Mocsai, Georg Schett, Martin Herrmann, Markus Hoffmann
No abstract text is available yet for this article.
December 6, 2016: Nature Medicine
https://www.readbyqxmd.com/read/27917897/blood-borne-phagocytes-internalize-urate-microaggregates-and-prevent-intravascular-netosis-by-urate-crystals
#17
Elmar Pieterse, Ivica Jeremic, Christine Czegley, Daniela Weidner, Mona H C Biermann, Susan Veissi, Christian Maueröder, Christine Schauer, Rostyslav Bilyy, Tetiana Dumych, Markus Hoffmann, Luis E Munoz, Anders A Bengtsson, Georg Schett, Johan van der Vlag, Martin Herrmann
Hyperuricemia is strongly linked to cardiovascular complications including atherosclerosis and thrombosis. In individuals with hyperuricemia, needle-shaped monosodium urate crystals (nsMSU) frequently form within joints or urine, giving rise to gouty arthritis or renal calculi, respectively. These nsMSU are potent instigators of neutrophil extracellular trap (NET) formation. Little is known on the mechanism(s) that prevent nsMSU formation within hyperuricemic blood, which would potentially cause detrimental consequences for the host...
December 5, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27917633/-differential-diagnosis-of-monoarthritis
#18
Kateřina Zegzulková, Šárka Forejtová
Making the diagnosis of monoarthritis can be quite difficult, because in contrast with polyarthritis just a few clinical data is available and wide diagnostic spectrum is present.The diagnosis of inflammatory rheumatic disease is usually in responsibility of a rheumatologist, but we know from experience that is necessary to carry out the basal differential diagnostic assessment as soon as possible to begin the optimal therapy. General practitioners and orthopaedists are usually first to face this problem.Monoarthritis can be divided into non-inflammatory arthritis where activated osteoarthritis and trauma belongs and inflammatory arthritis, which include gouty arthritis, chondrocalcinosis, infectious arthritis, juvenile idiopathic arthritis, spondylitis, incipient rheumatoid arthritis and many others...
2016: Casopís Lékar̆ů C̆eských
https://www.readbyqxmd.com/read/27863506/interleukin-37-limits-monosodium-urate-crystal-induced-innate-immune-responses-in-human-and-murine-models-of-gout
#19
Lei Liu, Yu Xue, Yingfeng Zhu, Dandan Xuan, Xue Yang, Minrui Liang, Juan Wang, Xiaoxia Zhu, Jiong Zhang, Hejian Zou
BACKGROUND: Interleukin (IL)-37 has emerged as a fundamental inhibitor of innate immunity. Acute gout is a self-limiting inflammatory response to monosodium urate (MSU) crystals. In the current study, we assessed the preventive and therapeutic effect of recombinant human IL-37 (rhIL-37) in human and murine gout models. METHODS: We investigated the expression of IL-37 in patients with active and inactive gouty arthritis and assessed the effect of rhIL-37 in human and murine gout models: a human monocyte cell line (THP-1) and human synovial cells (containing macrophage-like and fibroblast-like synoviocytes) exposed to MSU crystals, a peritoneal murine model of gout and a murine gouty arthritis model...
November 18, 2016: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/27847529/update-on-the-clinical-effect-of-acupuncture-therapy-in-patients-with-gouty-arthritis-systematic-review-and-meta-analysis
#20
REVIEW
Wei-Wei Lu, Jin-Ming Zhang, Zheng-Tao Lv, An-Min Chen
Objective. The aim of this study is to evaluate the clinical efficacy and safety of acupuncture therapy in the treatment of acute gouty arthritis. Methods. A literature search of PubMed, EMBASE, ISI Web of Science, CENTRAL, and CNKI was conducted from the inception date of each database up to October 2015. Two investigators screened each article independently and were blinded to the findings of the other reviewer. Data was extracted according to the predetermined collection form. Meta-analysis was performed...
2016: Evidence-based Complementary and Alternative Medicine: ECAM
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