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Uric acid

Andrew Jeyaruban, Muriel Soden, Sarah Larkins
To examine the management of gout in general practice in Townsville, Australia, and to explore comorbid conditions in patients with gout. Study will also explore how closely guidelines are being followed in managing gout. Retrospective chart review was conducted from May to November 2014 in three general practices in Townsville. Registers for patients were established by searching "gout" and "gouty arthritis". Three hundred and twenty-one patients were included in the study after excluding inactive patients, patients below age of 18 and patients with cancer...
October 21, 2016: Rheumatology International
Pedro H F Gois, Daniele Canale, Rildo A Volpini, Daniela Ferreira, Mariana M Veras, Vinicius Andrade-Oliveira, Niels O S Câmara, Maria H M Shimizu, Antonio C Seguro
BACKGROUND: Acute kidney injury (AKI) is the most severe complication of rhabdomyolysis. Allopurinol (Allo), a xanthine oxidase inhibitor, has been in the spotlight in the last decade due to new therapeutic applications related to its potent antioxidant effect. The aim of this study was to evaluate the efficacy of Allo in the prevention and treatment of rhabdomyolysis-associated AKI. METHODS: Male Wistar rats were divided into five groups: saline control group; prophylactic Allo (300mg/L of drinking water, 7 days); glycerol (50%, 5ml/kg, IM); prophylactic Allo + glycerol; and therapeutic Allo (50mg/Kg, IV, 30minutes after glycerol injection) + glycerol...
October 18, 2016: Free Radical Biology & Medicine
Rosy, Rajendra N Goyal
A voltammetric sensor for the determination of 8-Hydroxydeoxyguanosine (8-OHdG); an important, sensitive and integral biomarker of oxidative stress and related pathological conditions like carcinogenesis, renal disorders, mental retardations, diabetes etc. has been fabricated. The synergistic behavior of two allotropic forms of carbon, which are electrochemically reduced graphene oxide (ErGO) and multiwalled carbon nanotubes (MWCNTs), has been exploited for the surface modification. The resulting modified surface has been characterized using Field Emission Scanning Electron Microscopy, X-ray diffraction, Electrochemical Impedance Spectroscopy and voltammetric behavior...
December 1, 2016: Talanta
Jinyang Shen, Xiaolin Yang, Zhaoqing Meng, Changrun Guo
BACKGROUND: High dietary fructose can cause metabolic syndrome and renal injury. PURPOSE: The effects of protodioscin on metabolic syndrome and renal injury were investigated in mice receiving high-dose fructose. METHODS: Mice received 30% (w/v) fructose in water and standard chow for 6 weeks to induce metabolic syndrome and were divided into four groups to receive carboxymethylcellulose sodium, allopurinol (5 mg/kg) and protodioscin (5 and 10 mg/kg) continuously for 6 weeks, respectively...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
Kamila A Kaminska-Pajak, Katarzyna Dyga, Piotr Adamczyk, Maria Szczepańska, Marcin Zaniew, Bodo Beck, Marcin Tkaczyk
Hyperuricemia is a common symptom in adult population. It usually accompanies the chronic kidney disease. Less frequently, it is a primary phenomenon causing later serious clinical consequences. Familial juvenile hyperuricemic nephropathy (FJHN) is one of the hereditary conditions associated with high levels of serum uric acid and leading to dialysis in young adult age. It results from mutation in the UMOD gene, encoding the uromodulin protein, that is, Tamm-Horsfall protein. The aim of this paper was to present two families (7 affected members) with FJHN, in whom standard nephrological diagnostics did not provide clear cause of dialysis-dependent chronic kidney disease, until genetic testing was performed...
October 20, 2016: Renal Failure
Janine Donaldson, Michael Taurai Madziva, Kennedy Honey Erlwanger
Objective: The current study aimed to investigate the impact of high-fat diets composed of different animal and vegetable fat sources on serum metabolic health markers in Japanese quail, as well as the overall lipid content and fatty acid profiles of the edible bird tissues following significantly increased dietary lipid supplementation. Methods: Fifty seven male quail were divided into six groups and fed either a standard diet or a diet enriched with one of five different fats (22 % coconut oil, lard, palm oil, soybean oil or sunflower oil) for 12 weeks...
October 20, 2016: Asian-Australasian Journal of Animal Sciences
Katharina T Prochazka, Thomas Melchardt, Florian Posch, Konstantin Schlick, Alexander Deutsch, Christine Beham-Schmid, Lukas Weiss, Thomas Gary, Daniel Neureiter, Eckhard Klieser, Richard Greil, Peter Neumeister, Alexander Egle, Martin Pichler
BACKGROUND: Blood-based parameters are gaining increasing interest as potential prognostic biomarkers in patients with diffuse large B-cell lymphoma (DLBCL). The aim of this study was to comprehensively evaluate the prognostic significance of pretreatment plasma uric acid levels in patients with newly diagnosed DLBCL. METHODS: The clinical course of 539 DLBCL patients, diagnosed and treated between 2004 and 2013 at two Austrian high-volume centres with rituximab-based immunochemotherapy was evaluated retrospectively...
October 20, 2016: British Journal of Cancer
Nishone Thompson, Zainab Boone-Kukoyi, Raquel Shortt, Carisse Lansiquot, Bridgit Kioko, Enock Bonyi, Salih Toker, Birol Ozturk, Kadir Aslan
Gout is caused by the overproduction of uric acid and the inefficient metabolism of dietary purines in humans. Current treatments of gout, which include anti-inflammatory drugs, cyclooxygenase-2 inhibitors, and systemic glucocorticoids, have harmful side-effects. Our research laboratory has recently introduced an innovative approach for the decrystallization of biological and chemical crystals using the Metal-Assisted and Microwave-Accelerated Evaporative Decrystallization (MAMAD) technique. In the MAMAD technique, microwave energy is used to heat and activate gold nanoparticles that behave as "nano-bullets" to rapidly disrupt the crystal structure of biological crystals placed on planar surfaces...
October 18, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Mahmood Rasool, Arif Malik, Uzma Jabbar, Irshad Begum, Mahmood H Qazi, Muhammad Asif, Muhammad I Naseer, Shakeel A Ansari, Jummanah Jarullah, Absarul Haque, Mohammad S Jamal
To check the amount of cellular damage caused by serial transfusions of blood in thalassemia patients.  Methods: A cross-sectional study was conducted in the University of Lahore, Lahore, Pakistan between August 2012 and December 2012. A total of 43 thalassemia patients underwent at least 10 blood transfusions. Comprehensive biochemical analysis of blood was performed to record the levels of creatinine, urea, uric acid, albumin, liver function tests, malondialdehyde (MDA), and ferritin.  Results: Serum creatinine (0...
November 2016: Saudi Medical Journal
Jitsuo Higaki, Issei Komuro, Kosuke Shiki, Ganghyuck Lee, Atsushi Taniguchi, Hiroshi Ikeda, Daisuke Kuroki, Seiichiro Nishimura, Toshio Ogihara
The efficacy and safety of telmisartan 80 mg/amlodipine 5 mg plus hydrochlorothiazide 12.5 mg (T80/A5/H12.5) was examined for its ability to treat hypertension in Japanese patients whose hypertension is uncontrolled with telmisartan 80 mg/amlodipine 5 mg (T80/A5). Patients aged ⩾20 years who had essential hypertension despite taking two or three antihypertensive drugs entered a 6-week run-in period on T80/A5. Patients whose hypertension remained uncontrolled were randomly assigned to either the T80/A5/H12...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Yuko Ohta, Azusa Ishizuka, Hisatomi Arima, Shinichiro Hayashi, Yoshio Iwashima, Masatsugu Kishida, Fumiki Yoshihara, Satoko Nakamura, Yuhei Kawano
Uric acid (UA) has been associated with hypertension, renal disease and cardiovascular disease. The aim of the present study was to compare the UA-lowering effects of a standard dose of the UA synthesis inhibitor febuxostat to a standard dose of the uricosuric agent benzbromarone, and to investigate the effects of a low-dose combination of both agents in hypertensive patients with hyperuricemia. Twenty hypertensive patients with inadequate UA control were administered febuxostat 40 mg (Feb), benzbromarone 50 mg (Ben) and febuxostat 20 mg and benzbromarone 25 mg (feb/ben) for 3 months each in a randomized modified crossover manner...
October 20, 2016: Hypertension Research: Official Journal of the Japanese Society of Hypertension
Sergio Amaro, Carlos Laredo, Arturo Renú, Laura Llull, Salvatore Rudilosso, Víctor Obach, Xabier Urra, Anna M Planas, Ángel Chamorro
BACKGROUND AND PURPOSE: Identification of neuroprotective therapies in acute ischemic stroke is imperative. We report a predefined analysis of the URICO-ICTUS trial (Efficacy Study of Combined Treatment With Uric Acid and r-tPA in Acute Ischemic Stroke) assessing the efficacy of uric acid (UA) compared with placebo to prevent early ischemic worsening (EIW) and the relevance of collateral circulation. METHODS: URICO-ICTUS was a double-blind, placebo-controlled, phase 2b trial where a total of 411 patients treated with alteplase within 4...
October 6, 2016: Stroke; a Journal of Cerebral Circulation
Deborah S Bower, David M Scheltinga, Simon Clulow, John Clulow, Craig E Franklin, Arthur Georges
Freshwater biota experience physiological challenges in regions affected by salinization, but often the effects on particular species are poorly understood. Freshwater turtles are of particular concern as they appear to have limited ability to cope with environmental conditions that are hyperosmotic to their body fluids. Here, we determined the physiological responses of two Australian freshwater chelid turtles, Emydura macquarii and Chelodina expansa, exposed to freshwater (0‰) and brackish water (15‰, representing a hyperosmotic environment)...
2016: Conservation Physiology
Andrew Finch Rheumatology, Paul Kubler Rheumatologist
Gout is a common inflammatory arthritis that is increasing in prevalence. It is caused by the deposition of urate crystals. Non-steroidal anti-inflammatory drugs, colchicine and corticosteroids are options for the management of acute gout. They are equally efficacious and comorbidities guide the best choice. Allopurinol is an effective treatment for reducing concentrations of uric acid. Renal function guides the starting dose of allopurinol and the baseline serum uric acid concentration guides the maintenance dose...
August 2016: Australian Prescriber
Ravindra D Hiremath, Sunil S Jalalpure
OBJECTIVE: Aim of this study is to evaluate antiurolithiatic potential of whole plant hydro-alcoholic (30:70) extract of Vernonia cinerea Less. in accordance to its claims made in ancient literature and also being one of the ingredients of cystone, a marketed formulation widely used in the management of urolithiasis. MATERIALS AND METHODS: To induce urolithiasis, 0.75% v/v ethylene glycol was administered orally for 14 days. The curative dose of 400 mg/kg b.w. and preventive doses of 100, 200, and 400 mg/kg b...
July 2016: Indian Journal of Pharmacology
Smeeta Sadar, Dipti Kaspate, Neeraj Vyawahare
Diabetic nephropathy is a serious microvascular complication and one of the main causes of end-stage renal disease. L-Glutamine (LG) is naturally occurring amino acids with antidiabetic and antioxidant potential. The aim of present investigation was to evaluate the potential of LG against streptozotocin (STZ)-induced diabetic nephropathy (DN) in laboratory rats. DN was induced in male Wistar rats (200-220 g) by intraperitoneal administration of STZ (55 mg/kg). Animals were treated orally with either distilled water (10 mg/kg) or LG (250, 500, and 1000 mg/kg) or Sitagliptin (5 mg/kg)...
October 19, 2016: Renal Failure
Ruijuan Wang, Youxin Song, Yaqi Yan, Zhenjiang Ding
BACKGROUND AND AIMS: Serum uric acid (SUA) has been recognized as an independent risk factor for mortality in the general population. We performed this meta-analysis to determine whether elevated SUA levels are associated with greater risk of cardiovascular or all-cause mortality in people with suspected or definite coronary artery disease (CAD). METHODS: The Pubmed and Embase databases were searched up to April 1, 2016 for the longitudinal studies that investigated the association between the elevated SUA and cardiovascular or all-cause mortality risk in people with suspected or definite CAD...
October 6, 2016: Atherosclerosis
Do Hee Kim, Hee Jin Kwon, Sang A Ji, Hye Ryoun Jang, Sin-Ho Jung, Jung-Han Kim, Jae Hyeon Kim, Jung Eun Lee, Wooseong Huh, Yoon-Goo Kim, Dae Joong Kim, Ha Young Oh
Primary aldosteronism (PA) may induce significant decline of renal function and structural damage of kidney. However, it is difficult to evaluate accurate renal function in patients with PA, because glomerular hyperfiltration and aldosterone escape can conceal renal impairment. In this retrospective cohort study, we compared changes in renal function after unilateral adrenalectomy between patients with PA and patients with other adrenal diseases. Risk factors associated with postoperative renal impairment in patients with PA were analyzed...
July 2016: Medicine (Baltimore)
Ran-Hui Cha, Hajeong Lee, Jung Pyo Lee, Chun Soo Lim, Yon Su Kim, Sung Gyun Kim
OBJECTIVE: Blood pressure (BP) control is the most established practice for preventing the progression of chronic kidney disease (CKD). We examined the BP control and nocturnal dipping pattern change in hypertensive patients with CKD and its effects on target organ damages. DESIGN AND METHOD: We recruited 378 hypertensive CKD patients from 4 centers in Korea. They underwent office and ambulatory BP monitoring at the time of enrollment and 1 year after. High office and ambulatory BP was defined as > 140/90 mmHg and > 135/85 mmHg (daytime)/> 120/70 mmHg (nighttime), respectively...
September 2016: Journal of Hypertension
Naoki Nakagawa, Keisuke Maruyama, Motoki Matsuki, Nobuyuki Sato, Kenjiro Kikuchi, Naoyuki Hasebe
OBJECTIVE: Uric acid is a risk factor for cardiovascular disease. We investigated the relationship between the change of urinary albumin excretion (UAE) and the changes of serum uric acid (SUA) during antihypertensive treatment in hypertensive patients with microalbuminuria as a subanalysis of the results of the NICE Combi (Nifedipine and Candesartan Combination) Study. DESIGN AND METHOD: A total of 86 subjects with essential hypertension with microalbuminuria (UAE < 300 mg•g-1 creatinine) were randomly assigned in a double-blind manner to a combination therapy group (standard-dose candesartan at 8 mg/day plus controlled-release (CR) nifedipine 20 mg/day) (n = 42) or an up-titrated monotherapy group (candesartan 12 mg/day) (n = 44) for 8 weeks of continuous treatment after initially receiving standard-dose candesartan (8 mg/day) monotherapy for 8 weeks (initial treatment)...
September 2016: Journal of Hypertension
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