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https://www.readbyqxmd.com/read/28351090/an-increase-in-normal-sua-level-within-the-normal-range-predicts-risk-of-metabolic-syndrome-especially-in-women-a-cross-sectional-study
#1
Qian Li, Jing Lu, Xi Cao, Ting-Ting Shi, Jian-Ping Feng, Jin-Kui Yang
This study was aimed to evaluate the relationship between normal serum uric acid (SUA) level and metabolic syndrome (MetS) risk. This cross-sectional study involved 1914 subjects with MetS and 3 659 healthy controls aged 18-79 years. All participants filled out questionnaires and underwent physical examination and blood sample collection for biochemical examination. Demographic and clinical characteristics data were analyzed by t-test or chi-squared test. Normal SUA levels were divided into quartiles. Associations between quartiles of normal SUA level and the risk of MetS were explored using logistic regression analysis and receiver operating characteristic (ROC) curve analysis...
March 28, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28350618/association-between-serum-uric-acid-and-cardiovascular-mortality-and-all-cause-mortality-a-cohort-study
#2
EunSun Cheong, Seungho Ryu, Jong-Young Lee, Sung Ho Lee, Joo-Wook Sung, Dong-Sik Cho, Jeong Bae Park, Ki-Chul Sung
OBJECTIVE: Previous studies have reported the association among serum uric acid (SUA) levels and cardiovascular and all-cause mortality; however, the results have been inconsistent. The aim of this study was to investigate whether SUA is independently associated with cardiovascular and all-cause mortality in relatively healthy Korean adults. METHODS: A total of 396 951 individuals were enrolled for the study between 2002 and 2012. About 39 991 participants were excluded for various reasons...
May 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/28345834/hyperuricemia-at-the-time-of-diagnosis-is-a-factor-for-poor-prognosis-in-patients-with-stage-ii-and-iii-colorectal-cancer-uric-acid-and-colorectal-cancer
#3
Ahmet Ozan Cetin, Muhyettin Omar, Serkan Calp, Hasan Tunca, Nevin Yimaz, Burak Ozseker, Ozgur Tanriverdi
Purpose: In this pilot study we investigated whether serum levels of uric acid, the final breakdown product of purine metabolism, might influence cancer-related events in stage II and III colorectal cancer patients. Material and methods: In this cross-sectional retrospective study, a total of 150 stage II and III colorectal adenocarcinoma patients with no exclusion criteria were included. Serum uric acid levels of the patients measured at diagnosis and demographic, clinical, laboratory analyses were performed and histologically features recorded...
February 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28345493/genetic-risk-scores-sex-and-dietary-factors-interact-to-alter-serum-uric-acid-trajectory-among-african-american-urban-adults
#4
May A Beydoun, Jose-Atilio Canas, Marie T Fanelli-Kuczmarski, Salman M Tajuddin, Michele K Evans, Alan B Zonderman
Serum uric acid (SUA), a causative agent for gout among others, is affected by both genetic and dietary factors, perhaps differentially by sex. We evaluated cross-sectional (SUAbase) and longitudinal (SUArate) associations of SUA with a genetic risk score (GRS), diet and sex. We then tested the interactive effect of GRS, diet and sex on SUA. Longitudinal data on 766 African-American urban adults participating in the Healthy Aging in Neighborhood of Diversity across the Lifespan study were used. In all, three GRS for SUA were created from known SUA-associated SNP (GRSbase (n 12 SNP), GRSrate (n 3 SNP) and GRStotal (n 15 SNP))...
March 27, 2017: British Journal of Nutrition
https://www.readbyqxmd.com/read/28345492/rasburicase-induced-methemoglobinemia-the-eyes-do-not-see-what-the-mind-does-not-know
#5
Uroosa Ibrahim, Amina Saqib, Farhan Mohammad, Jean Paul Atallah, Marcel Odaimi
Rasburicase is indicated for the prevention and treatment of tumor lysis syndrome which can be a potentially life-threatening emergency. The drug has oxidizing potential and as an adverse effect, it can convert the ferrous form of iron in erythrocytes to its ferric form resulting in the formation of methemoglobin which makes the heme component incapable of carrying oxygen. Patients with glucose-6-phosphate dehydrogenase enzyme deficiency are at high risk of methemoglobinemia from oxidizing agents. Symptoms of methemoglobinemia range from none to life-threatening hypoxemia, cyanosis and respiratory compromise...
January 1, 2017: Journal of Oncology Pharmacy Practice
https://www.readbyqxmd.com/read/28342714/higher-uric-acid-serum-levels-are-associated-with-better-muscle-function-in-the-oldest-old-results-from-the-mugello-study
#6
R Molino-Lova, F Sofi, G Pasquini, F Vannetti, S Del Ry, C Vassalle, M Clerici, S Sorbi, C Macchi
BACKGROUND: Sarcopenia is the progressive loss of muscle mass and strength that occurs with advancing age and plays a pivotal role in the causal pathway leading to frailty, disability and, eventually, to death among older persons. As oxidative damage of muscle proteins has been shown to be a relevant contributory factor, in this study we hypothesized that uric acid (UA), a powerful endogenous antioxidant, might exert a protective effect on muscle function in the oldest old and we tested our hypothesis in a group of nonagenarians who participated in the Mugello Study...
March 22, 2017: European Journal of Internal Medicine
https://www.readbyqxmd.com/read/28341271/obesity-and-kidney-disease-from-population-to%C3%A2-basic-science-and-the-search-for-new-therapeutic%C3%A2-targets
#7
REVIEW
Adam Whaley-Connell, James R Sowers
The global burden of kidney disease is increasing strikingly in parallel with increases in obesity and diabetes. Indeed, chronic kidney disease (CKD) and end-stage renal disease (ESRD) coupled with comorbidities such as obesity, diabetes, and hypertension cost the health care system hundreds of billions of dollars in the US alone. The progression to ESRD in patients with obesity and diabetes continues despite widespread use of inhibitors of the renin-angiotensin-aldosterone system (RAAS) along with aggressive blood pressure and glycemic control in these high-risk populations...
March 21, 2017: Kidney International
https://www.readbyqxmd.com/read/28341042/effect-of-forage-to-concentrate-ratio-with-sorghum-silage-as-a-source-of-forage-on-rumen-fermentation-n-balance-and-purine-derivative-excretion-in-limit-fed-dairy-heifers
#8
K Kljak, F Pino, A J Heinrichs
Sorghum silage has been shown to be a good alternative to corn silage for dairy cows; however, studies regarding heifers are insufficiently explored. Therefore, the objective of this study was to evaluate effects of changing forage to concentrate ratio (FOR:CON) in diets based on sorghum silage on N digestibility, rumen fermentation, N balance, C excretion, and microbial N yield in limit-fed dairy heifers. A split-plot 4×4 Latin square design with 19-d periods (15 d of adaptation and 4 d of sampling) was conducted with 8 rumen cannulated dairy heifers (age 13...
January 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28340987/discovery-of-novel-curcumin-derivatives-targeting-xanthine-oxidase-and-urate-transporter-1-as-anti-hyperuricemic-agents
#9
Gui-Zhen Ao, Meng-Ze Zhou, Yu-Yao Li, Si-Ning Li, Hua-Nian Wang, Qian-Wen Wan, Huan-Qiu Li, Qing-Hua Hu
A series of curcumin derivatives as potent dual inhibitors of xanthine oxidase (XOD) and urate transporter 1 (URAT1) was discovered as anti-hyperuricemic agents. These compounds proved efficient effects on anti-hyperuricemic activity and uricosuric activity in vivo. More importantly, some of them exhibited proved efficient effects on inhibiting XOD activity and suppressing uptake of uric acid via URAT1 in vitro. Especially, the treatment of 4d was demonstrated to improve uric acid over-production and under-excretion in oxonate-induced hyperuricemic mice through regulating XOD activity and URAT1 expression...
January 1, 2017: Bioorganic & Medicinal Chemistry
https://www.readbyqxmd.com/read/28340822/risk-factors-of-hyperuricemia-after-renal-transplantation-and-its-long-term-effects-on-graft-functions
#10
S Eyupoglu, D Eyupoglu, Z Kendi-Celebi, S Akturk, A Tuzuner, K Keven, S Sengul
BACKGROUND: Hyperuricemia is a common complication in renal transplant recipients. Recent studies have suggested that hyperuricemia may contribute to the deterioration of graft function. METHODS: In this study, we aimed to investigate the risk factors related to hyperuricemia and the effects of hyperuricemia on graft dysfunction, graft survival, cardiovascular events, and mortality rates. Between the years 2005 and 2016, 141 renal transplantation patients with at least 5 years of follow-up were included in this retrospective cohort study...
April 2017: Transplantation Proceedings
https://www.readbyqxmd.com/read/28340785/an-automatic-chemiluminescence-method-based-on-the-multi-pumping-flow-system-coupled-with-the-fluidized-reactor-and-direct-injection-detector-determination-of-uric-acid-in-saliva-samples
#11
Christina Vakh, Stanislawa Koronkiewicz, Slawomir Kalinowski, Leonid Moskvin, Andrey Bulatov
A novel approach for the automatic chemiluminescence (CL) analysis of the complex samples is proposed. A multi-pumping flow system was successfully combined with fluidized reactor and direct-injection CL detector. The possibility of the approach was demonstrated on the determination of uric acid in saliva samples. Uric acid is clinically important analyte and its determination in biological fluids is related to human organism dysfunctions, such as gout. For the first time, the fast luminol - N-bromosuccinimide (NBS) reaction in an alkaline medium was used for the CL determination of uric acid in saliva samples...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340766/flower-like-mos2-decorated-with-cu2o-nanoparticles-for-non-enzymatic-amperometric-sensing-of-glucose
#12
Linxia Fang, Fan Wang, Zhenghua Chen, Yan Qiu, Tianli Zhai, Mengmeng Hu, Cuijie Zhang, Kejing Huang
In this study, a novel nanohybrid consisting of flower-like MoS2 decorated with Cu2O nanoparticles has been successfully synthesized for non-enzymatic amperometric sensing of glucose. Structural characterizations revealed that Cu2O nanoparticles were highly dispersed on MoS2 nanosheets. Electrochemical performances were investigated by cyclic voltammetry (CV) and chronoamperometry. Compared to single Cu2O component, the-synthesized Cu2O/MoS2 nanohybrid showed superior electrocatalysis to the oxidation of glucose...
May 15, 2017: Talanta
https://www.readbyqxmd.com/read/28340071/variable-potassium-concentrations-which-is-right-and-which-is-wrong
#13
Talent Theparee, Robert C Benirschke, Hong-Kee Lee
Reverse pseudohyperkalemia is a term used to describe in vitro, falsely elevated potassium concentrations in plasma specimens that occur in association with extreme leukocytosis and are commonly associated with hematologic malignant neoplasms. Tumor lysis syndrome is an in vivo lysis of tumor cells that leads to elevated levels of potassium, uric acid, phosphate, and lactate dehydrogenase, as well as decreased calcium concentrations. Herein, we report a case of a 66-year-old Caucasian man with stage IV mantle-cell lymphoma who has elevated levels of potassium, uric acid, and phosphorus, as well as a white blood cell (WBC) count greater than 100,000 cells per mm3...
March 6, 2017: Laboratory Medicine
https://www.readbyqxmd.com/read/28338917/association-between-serum-levels-of-uric-acid-and-blood-pressure-tracking-in-childhood
#14
Bohyun Park, Hye Ah Lee, Sung Hee Lee, Bo Mi Park, Eun Ae Park, Hae Soon Kim, Su Jin Cho, Hyesook Park
BACKGROUND: Recent studies suggest that high levels of serum uric acid of very early life are a result of the in-utero environment and may lead to elevated blood pressure (BP) in adulthood. However, serum uric acid levels can change throughout life. We investigated the effect of serum uric acid levels in childhood on the BP tracking and analysed BP according to changes in serum uric acid levels in early life. METHODS: A total of 449 children from the Ewha Birth and Growth Cohort study underwent at least 2 follow-up examinations...
March 14, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28337704/analysis-of-traditional-and-emerging-risk-factors-in-premenopausal-women-with-coronary-artery-disease-a-pilot-scale-study-from-north-india
#15
Rajesh Vijayvergiya, Divya Kapoor, Ajay Aggarwal, Sonal Sangwan, Vanita Suri, Veena Dhawan
Premenopausal women are known to have less heart disease than their menopausal counterparts and men. However, there is a rising prevalence of coronary artery disease (CAD) in premenopausal females, which necessitates determination of risk factors that negate the effects of hormonal protection. There are few studies describing the prevalence of traditional and emerging risk factors in premenopausal women with CAD. Thus, our objective was to explore the prevalence of traditional and emerging risk factors and features of coronary lesions in premenopausal women with CAD in an Indian population...
March 23, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28337250/podocyte-injury-and-albuminuria-in-experimental-hyperuricemic-model-rats
#16
Shinichiro Asakawa, Shigeru Shibata, Chikayuki Morimoto, Takeshi Shiraishi, Takashi Nakamura, Yoshifuru Tamura, Takanori Kumagai, Makoto Hosoyamada, Shunya Uchida
Although hyperuricemia is shown to accelerate chronic kidney disease, the mechanisms remain unclear. Accumulating studies also indicate that uric acid has both pro- and antioxidant properties. We postulated that hyperuricemia impairs the function of glomerular podocytes, resulting in albuminuria. Hyperuricemic model was induced by oral administration of 2% oxonic acid, a uricase inhibitor. Oxonic acid caused a twofold increase in serum uric acid levels at 8 weeks when compared to control animals. Hyperuricemia in this model was associated with the increase in blood pressure and the wall-thickening of afferent arterioles as well as arcuate arteries...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28336174/the-exposure-to-formaldehyde-causes-renal-dysfunction-inflammation-and-redox-imbalance-in-rats
#17
Camila de Oliveira Ramos, Clarissa Rodrigues Nardeli, Keila Karine Duarte Campos, Karina Braga Pena, Dafne Fernandes Machado, Ana Carla Balthar Bandeira, Guilherme de Paula Costa, André Talvani, Frank Silva Bezerra
Twenty-eight Fischer male rats were divided into four groups: control group (CG), exposed to the ambient air, and groups exposed to formaldehyde (FA) at concentrations of 1% (FA1%), 5% (FA5%) and 10% (FA10%). Kidney function was assessed by dosage of uric acid, creatinine and urea. Morphometry was performed on the thickness of the lumen of Bowman's capsule and diameter of the lumen of the renal tubules. We evaluated the redox imbalance through the catalase and superoxide dismutase activity as well as oxidative damage by lipid peroxidation...
March 20, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28335305/simultaneous-detection-of-dopamine-and-uric-acid-using-a-poly-l-lysine-graphene-oxide-modified-electrode
#18
Yuehua Zhang, Wu Lei, Yujuan Xu, Xifeng Xia, Qingli Hao
A novel, simple and selective electrochemical method was investigated for the simultaneous detection of dopamine (DA) and uric acid (UA) on a poly(l-lysine)/graphene oxide (GO) modified glassy carbon electrode (PLL/GO/GCE) by differential pulse voltammetry (DPV). The electrochemically prepared PLL/GO sensory platform toward the oxidation of UA and DA exhibited several advantages, including high effective surface area, more active sites and enhanced electrochemical activity. Compared to the PLL-modified GCE (PLL/GCE), GO-modified GCE and bare GCE, the PLL/GO/GCE exhibited an increase in the anodic potential difference and a remarkable enhancement in the current responses for both UA and DA...
September 28, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28334637/on-the-non-linear-association-between-serum-uric-acid-levels-and-all-cause-mortality-rate-in-patients-with-type-2-diabetes-mellitus
#19
Olga Lamacchia, Andrea Fontana, Antonio Pacilli, Massimiliano Copetti, Stefania Fariello, Monia Garofolo, Giuseppe Penno, Vincenzo Trischitta, Salvatore De Cosmo, Mauro Cignarelli
BACKGROUND AND AIMS: High levels of serum uric acid (SUA) are associated with increased mortality risk in the general population. Contrasting results are available in people with diabetes. The aim of our study was to investigate the association and its functional form between SUA and all cause-mortality in patients with type 2 diabetes mellitus (T2DM). METHODS: We studied three cohorts of patients with T2DM: Gargano Mortality Study, Foggia Mortality Study, Pisa Mortality Study...
March 9, 2017: Atherosclerosis
https://www.readbyqxmd.com/read/28334624/simultaneous-monitoring-of-glucose-and-uric-acid-on-a-single-test-strip-with-dual-channels
#20
Jinhong Guo, Xing Ma
The conventional test strip has usually only one electrochemical reaction channel, which requires two times figure punctures for the self-management of patients suffering from both diabetes and gout. Considering the large number of such patients and for the sake of reducing their pains, we report an enzymatic test strip which can simultaneously monitor glucose and uric acid (UA) with only one fingertip blood droplet. The proposed test strip is composed of dual channels. The glucose in blood is detected in the 1st channel above on the substrate and the UA is characterized in the 2nd channel located at the bottom of the substrate...
March 15, 2017: Biosensors & Bioelectronics
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