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Hyperuricemia

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https://www.readbyqxmd.com/read/28634174/prognostic-value-of-uric-acid-for-pulmonary-thromboembolism
#1
Savas Ozsu, Arif M Çoşar, Hayriye Bektas Aksoy, Yilmaz Bülbül, Funda Oztuna, S Caner Karahan, Tevfik Ozlu
BACKGROUND: Pulmonary thromboembolism is a serious cardiovascular condition with considerable morbidity and mortality. Clinical studies have indicated that hyperuricemia is an independent risk factor for cardiovascular events. The aim of this study was to investigate possible value of the serum levels of uric acid (UA) in predicting 30-d pulmonary thromboembolism-related mortality. METHODS: Pulmonary thromboembolism was confirmed by computed tomography pulmonary angiography, demographic data, troponin, systolic pressure and pulse on admission, and simplified pulmonary embolism severity index assessment...
June 20, 2017: Respiratory Care
https://www.readbyqxmd.com/read/28630638/cichorium-intybus-l-promotes-intestinal-uric-acid-excretion-by-modulating-abcg2-in-experimental-hyperuricemia
#2
Yu Wang, Zhijian Lin, Bing Zhang, Anzheng Nie, Meng Bian
BACKGROUND: Excessive production and/or reduced excretion of uric acid could lead to hyperuricemia, which could be a major cause of disability. Hyperuricemia has received increasing attention in the last few decades due to its global prevalence. Cichorium intybus L., commonly known as chicory, is a perennial herb of the asteraceae family. It was previously shown to exert potent hypouricemic effects linked with decreasing uric acid formation in the liver by down-regulating the activity of xanthine oxidase, and increasing uric acid excretion by up-regulating the renal OAT3 mRNA expression...
2017: Nutrition & Metabolism
https://www.readbyqxmd.com/read/28630500/hyperuricemia-and-overexcretion-of-uric-acid-increase-the-risk-of-simple-renal-cysts-in-type-2-diabetes
#3
Ying Han, Mingliang Zhang, Junxi Lu, Lei Zhang, Junfeng Han, Fangya Zhao, Haibing Chen, Yuqian Bao, Weiping Jia
Previous studies have discussed the relationship between simple renal cysts (SRC) and serum uric acid level in healthy individuals. We performed a cross-sectional study to evaluate the association between serum uric acid level and fractional excretion of uric acid (FEUA) and simple renal cysts in males and postmenopausal females with type 2 diabetes. The overall prevalence of SRC was 18.1% in our population. SRC prevalence was significantly higher in hyperuricemic than normouricemic subjects (27.3% vs. 16.8%, P < 0...
June 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28624426/saponins-extracted-from-dioscorea-collettii-rhizomes-regulate-the-expression-of-urate-transporters-in-chronic-hyperuricemia-rats
#4
Liran Zhu, Yifan Dong, Sha Na, Ru Han, Chengyin Wei, Guangliang Chen
OBJECTIVE: The current study aimed to investigate whether the saponins, bioactive component of effects of D. collettii, could reduce the serum uric acid level in a hyperuricemic mouse via regulation of urate transporters. METHODS: Chronic hyperuricemia model was established by combine administration of adenine (100mg/kg) and ethambutol (250mg/kg). In the model group, the serum uric acid (SUA), urine uric acid (UUA) volume, and 24-h UUA values increased significantly, while the uric acid clearance rate (CUr) and creatinine clearance rate (CCr) values decreased...
June 15, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28623927/caffeoylquinic-acid-derivatives-rich-extract-from-gnaphalium-pensylvanicum-willd-ameliorates-hyperuricemia-and-acute-gouty-arthritis-in-animal-model
#5
Yan Jiang, Yan Lin, Yi-Juan Hu, Xiao-Jun Song, Hong-Hua Pan, Hong-Jian Zhang
BACKGROUND: The Gnaphalium pensylvanicum willd. is used in China as a folk medicine to treat anti-inflammatory, cough and rheumatism arthritis. The aim of this study was to evaluate the potential of the extract of G. pensylvanicum to treat hyperuricemia and acute gouty arthritis in animal model. METHODS: G. pensylvanicum extract was evaluated in an experimental model with potassium oxonate (PO) induced hyperuricemia in mice which was used to evaluate anti-hyperuricemia activity and xanthine oxidase (XO) inhibition...
June 17, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28607535/gender-disparity-in-the-relationship-between-prevalence-of-thyroid-nodules-and-metabolic-syndrome-components-the-shdc-cdpc-community-based-study
#6
Xiaoying Ding, Ying Xu, Yufan Wang, Xiaohua Li, Chunhua Lu, Jing Su, Yuting Chen, Yuhang Ma, Yanhua Yin, Yong Wu, Yaqiong Jin, Lihua Yu, Junyi Jiang, Naisi Zhao, Qingwu Yan, Andrew S Greenberg, Haiyan Sun, Mingyu Gu, Li Zhao, Yunhong Huang, Yijie Wu, Chunxian Qian, Yongde Peng
The study is aimed to investigate the pathogenesis underlying the increased prevalence of thyroid nodule (TN) in different levels of metabolic syndrome (MetS) components and analyze the relationships between TN and MetS components. A total of 6,798 subjects, including 2201 patients with TN, were enrolled in this study. Anthropometric, biochemical, thyroid ultrasonographic, and other metabolic parameters were all measured. There was obviously sexual difference in the prevalence of TN (males 26.0%, females 38...
2017: Mediators of Inflammation
https://www.readbyqxmd.com/read/28605749/radiculopathy-in-a-patient-with-chronic-tophaceus-gout-vertebral-imaging
#7
Joana Borges, Cláudia Miguel, Susana Fernandes, Rui Leitão, Augusto Faustino
INTRODUCTION: Spinal involvement is infrequent in chronic gout. However, some cases of back pain with radiculopathy secondary to this etiology have been reported. CASE REPORT: 56-year old male patient, with history of arterial hypertension, hypertriglyceridemia, obesity, glucose intolerance and alcohol abuse, diagnosed with gout in his fifth decade of life. The patient was started on urate lowering therapy, with poor compliance, and evolved with sustained hyperuricemia, recurrent episodes of arthritis, and growth of gouty tophi on the elbows, wrists, hands and knees...
June 2, 2017: Acta Reumatológica Portuguesa
https://www.readbyqxmd.com/read/28604822/correction-early-onset-hyperuricemia-is-a-prognostic-marker-for-kidney-graft-failure-propensity-score-matching-analysis-in-a-korean-multicenter-cohort
#8
Miyeun Han, Jung Pyo Lee, Seokwoo Park, Yunmi Kim, Yong Chul Kim, Curie Ahn, Duck Jong Han, Jongwon Ha, In Mok Jung, Chun Soo Lim, Yon Su Kim, Young Hoon Kim, Yun Kyu Oh
[This corrects the article DOI: 10.1371/journal.pone.0176786.].
2017: PloS One
https://www.readbyqxmd.com/read/28601125/hyperuricemia-and-long-term-survival-in-patients-with-chronic-kidney-disease-undergoing-hemodialysis
#9
Tadej Petreski, Sebastjan Bevc, Robert Ekart, Radovan Hojs
INTRODUCTION: Uric acid (UA), a breakdown product of purines, has been associated with mortality in different populations. Less is known about associations between hyperuricemia and mortality in chronic kidney disease (CKD) patients, later undergoing hemodialysis (HD), during a long observation period. The aim of this study was to determine the impact of elevated UA levels on long-term (19.5 years) survival of CKD patients. METHODS: 120 CKD patients (49 female, 71 male) enrolled in our study were observed from their first visit at the patients' nephrology outpatient clinic (NOC)...
June 9, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28594873/oral-uricase-eliminates-blood-uric-acid-in-the-hyperuricemic-pig-model
#10
Paulina Szczurek, Nadia Mosiichuk, Jarosław Woliński, Tetiana Yatsenko, Danica Grujic, Liudmyla Lozinska, Marek Pieszka, Ewa Święch, Stefan Grzegorz Pierzynowski, Kateryna Goncharova
An elevated level of serum uric acid-hyperuricemia, is strongly associated with the development of gout and chronic kidney disease (CKD) which is often accompanied by a significantly reduced glomerular filtration rate (GFR). In the present study, we investigated the extra-renal elimination of uric acid via the intestine in a healthy pig model and the effect of oral uricase therapy on plasma uric acid concentrations in pigs with induced hyperuricemia and CKD. The experiment was conducted on eleven, ten-week-old pigs (n = 11)...
2017: PloS One
https://www.readbyqxmd.com/read/28588796/analysis-of-the-incidence-of-tumor-lysis-syndrome-in-patients-with-hematological-malignancies-treated-with-rasburicase
#11
Eiseki Usami, Michio Kimura, Mina Iwai, Hitomi Teramachi, Tomoaki Yoshimura
The purpose of this study was to assess the incidence of tumor lysis syndrome (TLS) in patients with hematological malignancies treated with rasburicase, and to evaluate the dose and duration of rasburicase administration. A total of 52 patients were enrolled. The background of the patients, incidence of TLS and laboratory data were retrospectively examined; in addition, the dose and duration of rasburicase administration and the factors affecting the onset of TLS were evaluated and compared among TLS risk categories...
June 2017: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/28587951/treatment-na%C3%A3-ve-spontaneous-tumor-lysis-syndrome-in-metastatic-prostate-adenocarcinoma-an-unusual-suspect
#12
Maya Ignaszewski, Patrick Kohlitz
Tumor lysis syndrome (TLS) is a potentially fatal condition defined both by laboratory and clinical criteria. It is caused by the catabolism of tumor cells which leads to considerable release and elevated levels of phosphate, potassium and uric acid in the bloodstream. These electrolyte derangements predispose patients to renal tubule uric acid precipitation, acute kidney injury, arrhythmias, neuromuscular irritability and even seizures. Although this phenomenon is well described with hematological malignancies, it is also known to occur among solid tumors...
May 26, 2017: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/28587378/protective-role-of-%C3%AE-lipoic-acid-in-hyperuricemia-induced-endothelial-dysfunction
#13
Hui Zou, Huan Wang, Tongmei Liu, Xiaojie Li, Xiaoduo Zhu, Zheng Wang
The aim of the current study was to determine the effects of α-lipoic acid (LA) on hyperuricemia and endothelial dysfunction, and to uncover the underlying mechanism of its action. A hyperuricemic rat model was established by administration of uric acid (UA) and the rats were orally fed with 2 g/kg/day LA or phosphate-buffered saline. Primary rat aortic endothelial cells were subsequently isolated, and a cell viability assay, apoptosis assay, enzyme nitric oxide synthase (eNOS) activity assay and mitochondrial function assay were all performed...
June 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28583561/investigating-serum-uric-acid-as-a-risk-factor-in-the-development-of-delayed-renal-recovery-in-living-kidney-donors
#14
R C Bravo, M B Gamo, H H Lee, Y E Yoon, W K Han
BACKGROUND: Hyperuricemia has been associated with kidney disease and remains controversial with regard to its gender-specific differences and impact in living kidney donation. METHODS: Between 2006 and 2015, charts of live kidney donors who underwent nephrectomy and had a minimum follow-up of 1 year were reviewed. A total of 291 donors were included and divided based on gender-specific pre-donation serum uric acid (SUA) tertiles. Renal functional outcomes included were estimated glomerular filtration rate (eGFR) at 6-month and 1-year follow-up and percentage of donors with a 1-year eGFR <60 mL/min/1...
June 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28582410/a-phase-i-study-of-single-agent-perifosine-for-recurrent-or-refractory-pediatric-cns-and-solid-tumors
#15
Oren J Becher, Nathan E Millard, Shakeel Modak, Brian H Kushner, Sofia Haque, Ivan Spasojevic, Tanya M Trippett, Stephen W Gilheeney, Yasmin Khakoo, David C Lyden, Kevin C De Braganca, Jill M Kolesar, Jason T Huse, Kim Kramer, Nai-Kong V Cheung, Ira J Dunkel
The PI3K/Akt/mTOR signaling pathway is aberrantly activated in various pediatric tumors. We conducted a phase I study of the Akt inhibitor perifosine in patients with recurrent/refractory pediatric CNS and solid tumors. This was a standard 3+3 open-label dose-escalation study to assess pharmacokinetics, describe toxicities, and identify the MTD for single-agent perifosine. Five dose levels were investigated, ranging from 25 to 125 mg/m2/day for 28 days per cycle. Twenty-three patients (median age 10 years, range 4-18 years) with CNS tumors (DIPG [n = 3], high-grade glioma [n = 5], medulloblastoma [n = 2], ependymoma [n = 3]), neuroblastoma (n = 8), Wilms tumor (n = 1), and Ewing sarcoma (n = 1) were treated...
2017: PloS One
https://www.readbyqxmd.com/read/28577362/serum-uric-acid-concentration-is-associated-with-hypertensive-retinopathy-in-hypertensive-chinese-adults
#16
Xuling Chen, Ying Meng, Jun Li, Hiacheng She, Liang Zhao, Jing Zhang, Yuan Peng, Kun Shang, Yadi Zhang, Xiaopeng Gu, Wenbin Yang, Yan Zhang, Jianping Li, Xianhui Qin, Binyan Wang, Xiping Xu, Fanfan Hou, Genfu Tang, Rongfeng Liao, Yong Huo, Liu Yang
BACKGROUND: This cross sectional investigation included 12,966 subjects with hypertension, a cohort of the China Stroke Primary Prevention Trial (CSPPT), a randomized, multicenter clinical trial. This study aimed to explore the correlation between serum uric acid (SUA) concentration and hypertensive retinopathy in hypertensive adults. METHODS: Diagnosis of hypertensive retinopathy was determined by non-mydriatic fundus photography and classified with Keith-Wagener-Barker (KWB) system...
June 2, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28566767/independent-effects-of-adh1b-and-aldh2-common-dysfunctional-variants-on-gout-risk
#17
Masayuki Sakiyama, Hirotaka Matsuo, Airi Akashi, Seiko Shimizu, Toshihide Higashino, Makoto Kawaguchi, Akiyoshi Nakayama, Mariko Naito, Sayo Kawai, Hiroshi Nakashima, Yutaka Sakurai, Kimiyoshi Ichida, Toru Shimizu, Hiroshi Ooyama, Nariyoshi Shinomiya
Gout is caused by hyperuricemia, with alcohol consumption being an established risk factor. Alcohol dehydrogenase (ADH) and aldehyde dehydrogenase (ALDH) are crucial enzymes for alcohol metabolism. We recently performed a genome-wide association study of gout and a subsequent fine-mapping study which identified rs671 of ALDH2 as a gout locus. However, the association between gout and common variants of ADH1B has hitherto remained unreported, prompting us to investigate the association between gout and common dysfunctional variants of ADH1B (rs1229984) and ALDH2 (rs671)...
May 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28558868/anti-hyperuricemic-and-anti-inflammatory-actions-of-vaticaffinol-isolated-from-dipterocarpus-alatus-in-hyperuricemic-mice
#18
Yu-Sheng Chen, Chao-Jun Chen, Wei Yan, Hui-Ming Ge, Ling-Dong Kong
The present study was designed to examine the anti-hyperuricemic and anti-inflammatory effects and possible mechanisms of vaticaffinol, a resveratrol tetramer isolated from ethanol extracts of Dipterocarpus alatus, in oxonate-induced hyperuricemic mice. At 1 h after 250 mg·kg(-1) potassium oxonate was given, vaticaffinol at 20, 40, and 60 mg·kg(-1) was intragastrically administered to hyperuricemic mice once daily for seven consecutive days. Vaticaffinol significantly decreased serum uric acid levels and improved kidney function in hyperuricemic mice...
May 2017: Chinese Journal of Natural Medicines
https://www.readbyqxmd.com/read/28557965/the-assessment-of-renal-function-in-patients-with-newly-diagnosed-hypertension-the-role-of-hyperuricemia-as-a-risk-factor-for-chronic-kidney-disease-preliminary-study
#19
Monika Komendarek-Kowalska
For the last few years, the role of uric acid in the pathogenesis of the hypertension and chronic kidney disease has drawn attention due to the increasing prevalence of the aforementioned states. Uric acid (UA), formed as a result of purine metabolism, is subject in the renal proximal tubule to filtration, reabsorption and secretion. The mechanisms of deleterious effect of UA on the kidney involve endothelial damage and the increment of hydrostatic pressure in the glomerulus which in turn lead to hypertrophy and glomerulosclerosis...
May 23, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28552532/taurine-decreased-uric-acid-levels-in-hyperuricemic-rats-and-alleviated-kidney-injury
#20
Ying Feng, Fang Sun, Yongchao Gao, Jiancheng Yang, Gaofeng Wu, Shumei Lin, Jianmin Hu
Hyperuricemia can lead to direct kidney damage. Taurine participates in several renal physiological processes and has been shown as a renoprotective agent. It has been reported that taurine could reduce uric acid levels in diabetic rats, but to date there was no research on the effects of taurine on hyperuricemic rats with kidney injury. In present study, hyperuricemic rat models were induced by intragastric administration of adenine and ethambutol hydrochloride for 10 days, and taurine (1% or 2%) were added in the drinking water 7 days in advance for consecutively 17 days...
July 29, 2017: Biochemical and Biophysical Research Communications
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