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Uric acid

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https://www.readbyqxmd.com/read/28917761/graphene-nanoribbon-fept-bimetallic-nanoparticles-uric-acid-as-a-novel-magnetic-sensing-layer-of-screen-printed-electrode-for-sensitive-determination-of-ampyra
#1
Pegah Hashemi, Hasan Bagheri, Abbas Afkhami, Salimeh Amidi, Tayyebeh Madrakian
A novel electrochemical sensor for sensitive determination of ampyra (Am) based on graphene nanoribbons modified by iron-platinum bimetallic nanoparticles and uric acid (SPCE/FePtGNR/UA) dropped on the screen-printed carbon electrode (SPCE) surface and magnetically captured onto an SPCE working electrode surface is reported in the present work. The modified nanocomposite and sensing layer was characterized by different techniques, including cyclic voltammetry (CV), linear sweep voltammetry (LSV), electrochemical impedance spectroscopy (EIS), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray powdered diffraction (XRD)...
January 1, 2018: Talanta
https://www.readbyqxmd.com/read/28917232/compressed-food-with-added-functional-oligopeptides-improves-performance-during-military-endurance-training
#2
Zhi-Qiang Zheng, Zhan-Hui Geng, Jia-Xi Liu, Shun-Tang Guo
BACKGROUND AND OBJECTIVES: Oligosaccharide or oligopeptide supplementation may have a significant impact on endurance performance. This study evaluated the effects of adding maltooligosaccharides (MO) or soy oligopeptides (SO) to compressed food (CF) on the physical response of soldiers to daily military training. METHODS AND STUDY DESIGN: Twelve soldiers were randomized to four diet groups: regular meals, CF, CFMO, and CFSO (crossover design). They participated in exercise tests including 90 minutes running at 55-65% VO2max and exhaustive running...
2017: Asia Pacific Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28917195/uric-acid-in-major-depressive-and-anxiety-disorders
#3
Catherine N Black, Mariska Bot, Peter G Scheffer, Harold Snieder, Brenda W J H Penninx
BACKGROUND: Uric acid has neuroprotective effects, owing to its antioxidant properties. Lowered antioxidant capacity, causing increased oxidative stress, may be involved in affective disorders and might be altered by antidepressants. This study investigated the association of plasma uric acid, the greatest contributor to blood antioxidant capacity, with major depressive disorder (MDD) and anxiety disorders. METHODS: Data were from the Netherlands Study of Depression and Anxiety including patients with current (N = 1648), remitted (N = 609) MDD and/or anxiety disorders (of which N = 710 antidepressant users) and 618 controls...
September 6, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28917083/effects-of-single-or-combined-administration-of-salmon-calcitonin-and-omega-3-fatty-acids-versus-diclofenac-sodium-in-sodium-monoiodoacetate-induced-knee-osteoarthritis-in-male-wistar-rats
#4
Wale J Adeyemi, Luqman A Olayaki
BACKGROUND: There is a continuous search for a better therapy in osteoarthritis (OA) management. Therefore, this study investigated the effects of salmon calcitonin (Sct) and/or omega-3 fatty acids (N-3) relative to diclofenac sodium (DF) in induced knee osteoarthritic male Wistar rats. METHODS: The 40 rats that were used in this study were divided into 8 groups (n=5 rats), viz: Normal control; OA control; OA+N-3; OA+Low dose of Sct (Sct.Lw); OA+High dose of Sct (Sct...
September 16, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/28916241/relationship-of-echocardiographic-epicardial-fat-thickness-and-epicardial-fat-volume-by-computed-tomography-with-coronary-artery-calcification-data-from-the-caesar-study
#5
Byung Jin Kim, Jung Gyu Kang, Sung Ho Lee, Jong Young Lee, Ki Chul Sung, Bum Soo Kim, Jin Ho Kang
BACKGROUND AND AIMS: No study has assessed the association between echocardiographic epicardial fat thickness (EFT) and computed tomography (CT)-based epicardial fat volume (EFV) and coronary artery calcification. The aim of this study is to evaluate the association between EFT and EFV and coronary artery calcification. METHODS: Among the 2,299 individuals enrolled in the CArdiometabolic risk, Epicardial fat, and Subclinical Atherosclerosis Registry (CAESAR) study, 2,276 (1,851 men; mean age 45 ± 8...
September 12, 2017: Archives of Medical Research
https://www.readbyqxmd.com/read/28915449/increased-expression-of-nlrp3-inflammasome-in-placentas-from-pregnant-women-with-severe-preeclampsia
#6
Ingrid C Weel, Mariana Romão-Veiga, Mariana L Matias, Eduardo G Fioratti, Jose C Peraçoli, Vera T Borges, João P Araujo, Maria T Peraçoli
Preeclampsia is a pregnancy disorder characterized by imbalance between pro- and anti-inflammatory cytokines associated with high plasma levels of uric acid and Interleukin-1 beta (IL-1β). The inflammasome is a protein complex that mediates innate immune responses via caspase-1 activation promoting secretion of IL-1β and IL-18 in their active forms, and also release of the high-mobility group box 1 protein (HMGB1). As the placenta seems to play an important role in the pathogenesis of PE, the present study investigated the expression of genes and proteins related to the inflammasome in placentas from pregnant women with severe preeclampsia...
September 6, 2017: Journal of Reproductive Immunology
https://www.readbyqxmd.com/read/28914432/relationship-between-the-peroxidation-of-leukocytes-index-ratio-and-a-functional-mathematical-index-including-uric-acid-levels-and-health-related-habits-a-pilot-study
#7
Ilaria Peluso, Raffaella Reggi, Nagendra Sastry Yarla, Yaroslava Longhitano, Maura Palmery
No abstract text is available yet for this article.
September 15, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28913357/the-association-of-uric-acid-calculi-with-obesity-prediabetes-type-2-diabetes-mellitus-and-hypertension
#8
Fang-Yeh Chu, Chih-Chun Chang, Pin-Hao Huang, Yi-Ning Lin, Po-Wen Ku, Jen-Tang Sun, Jung-Li Ho, Tzung-Hai Yen, Ming-Jang Su
OBJECTIVES: To disclose the link between the composition of urolithiasis, especially that of uric acid calculi, and obesity, prediabetes, type 2 diabetes mellitus, and hypertension. MATERIALS AND METHODS: Patients who had urinary calculi and underwent surgical treatment were registered in the study. The composition of urinary calculi was analyzed and correlated with clinical features and biomedical profiles of the patients before surgical intervention. RESULTS: A total of 666 patients with urolithiasis who underwent surgical management were registered and analyzed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28912866/compositional-analysis-of-various-layers-of-upper-urinary-tract-stones-by-infrared-spectroscopy
#9
Zhang He, Zhang Jing, Zheng Jing-Cun, Hu Chuan-Yi, Gao Fei
The objective of the present study was to determine the composition of various layers of upper urinary stones and assess the mechanisms of stone nucleation and aggregation. A total of 40 integrated urinary tract stones with a diameter of >0.8 cm were removed from the patients. All of the stones were cut in half perpendicularly to the longitudinal axis. Samples were selected from nuclear, internal and external layers of each stone. Fourier transform infrared spectroscopy (FT-IR) was adopted for qualitative and quantitative analysis of all of the fragments and compositional differences among nuclear, internal and external layers of various types of stone were subsequently investigated...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28912863/a-novel-mutation-in-the-hepatocyte-nuclear-factor-1%C3%AE-gene-in-maturity-onset-diabetes-of-the-young-5-with-multiple-renal-cysts-and-pancreas-hypogenesis-a-case-report
#10
You Lv, Zhuo Li, Kan He, Ying Gao, Xianchao Xiao, Yujia Liu, Guixia Wang
A 17-year-old Chinese male was hospitalized exhibiting hyperglycemia and increased serum urea nitrogen and creatinine levels in addition to weight loss. The patient was treated with gliclazide. The patient was 150 cm tall, weighed 35 kg and had no family history of diabetes or kidney disease. Physical examination revealed cephalus quadratus, rachitic rosary and a visible toe-out gait. Laboratory examinations revealed that the patient's fasting plasma glucose and glycosylated hemoglobin levels were markedly increased, fasting plasma C-peptide level was slightly increased and no peak 2 h postprandial was observed...
October 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28912753/food-addiction-in-patients-with-newly-diagnosed-type-2-diabetes-in-northeast-china
#11
Fan Yang, Aihua Liu, Yongze Li, Yaxin Lai, Guixia Wang, Chenglin Sun, Guang Sun, Zhongyan Shan, Weiping Teng
AIM: The aim of the study was to explore the prevalence of food addiction (FA) in individuals with newly diagnosed type 2 diabetes mellitus (T2DM) in China and to analyze risk factors of FA. METHODS: A total of 624 subjects [312 individuals with newly diagnosed T2DM, 312 age-matched and body mass index (BMI)-matched healthy participants] were recruited. All participants were asked to complete the Yale Food Addiction Scale (YFAS) and received physical and lab examinations...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/28911689/effect-of-oleuropein-against-chemotherapy-drug-induced-histological-changes-oxidative-stress-and-dna-damages-in-rat-kidney-injury
#12
Fatime Geyikoglu, Murat Emir, Suat Colak, Kubra Koc, Hasan Turkez, Murat Bakir, Mirkhalil Hosseinigouzdagani, Salim Cerig, Osman Nuri Keles, Nihal Simsek Ozek
Cisplatin-based chemotherapy is responsible for a large number of renal failures, and it is still associated with high rates of mortality today. Oleuropein (OLE) presents a plethora of pharmacological beneficial properties. In this study we investigated whether OLE could provide sufficient protection against cisplatin-induced nephrotoxicity. With this aim, Sprague-Dawley rats were divided into eight groups: control; 7 mg/kg/d cisplatin, 50 mg/kg, 100 mg/kg, and 200 mg/kg OLE; and treatment with OLE for 3 days starting at 24 hours following cisplatin injection...
April 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911646/evaluating-the-urate-lowering-effects-of-different-microbial-fermented-extracts-in-hyperuricemic-models-accompanied-with%C3%A2-a%C3%A2-safety-study
#13
Rong-Jane Chen, Mei-Huei Chen, Yen-Lin Chen, Ching-Mao Hsiao, Hsiu-Min Chen, Siao-Jhen Chen, Ming-Der Wu, Yi-Jen Yech, Gwo-Fang Yuan, Ying-Jan Wang
Uric acid (UA) is an end product of purine metabolism by the enzyme xanthine oxidase (XOD). Hyperuricemia is characterized by the accumulation of serum UA and is an important risk factor for gout and many chronic disorders. XOD inhibitors or uricase (catalyzes UA to the more soluble end product) can prevent these chronic diseases. However, currently available hypouricemic agents induce severe side effects. Therefore, we developed new microbial fermented extracts (MFEs) with substantial XOD inhibition activity from Lactobacillus (MFE-21) and Acetobacter (MFE-25), and MFE-120 with high uricase activity from Aspergillus...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911644/nephroprotective-effect-of-paeonia-emodi-via-inhibition-of-advanced-glycation-end-products-and-oxidative-stress-in-streptozotocin-nicotinamide-induced-diabetic-nephropathy
#14
Lalit Kishore, Navpreet Kaur, Randhir Singh
The present study aimed to evaluate the effect of alcohol (PA) and hydroalcohol (PHA) extract of Paeonia emodi Royale roots in treatment of streptozotocin-nicotinamide induced diabetic nephropathy. Diabetes mellitus was induced in male Wistar rats by streptozotocin (65 mg/kg intraperitoneally) 15 minutes after nicotinamide (230 mg/kg, intraperitoneally) administration and diabetic nephropathy was assessed by measuring serum glucose, renal parameters (urea, uric acid, creatinine, and blood urea nitrogen level) and lipid profile...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28911636/novel-electrochemical-xanthine-biosensor-based-on-chitosan-polypyrrole-gold-nanoparticles-hybrid-bio-nanocomposite-platform
#15
Muamer Dervisevic, Esma Dervisevic, Emre Çevik, Mehmet Şenel
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...
July 2017: Journal of Food and Drug Analysis
https://www.readbyqxmd.com/read/28905661/genetic-parameters-for-the-prediction-of-abdominal-fat-traits-using-blood-biochemical-parameters-in-broilers
#16
H L Zhang, Z Q Xu, L L Yang, Y X Wang, Y M Li, J Q Dong, X Y Zhang, X Y Jiang, X F Jiang, H Li, D X Zhang, H Zhang
1. Excessive deposition of body fat, especially abdominal fat, is detrimental in chickens and the prevention of excessive fat accumulation is an important problem. The aim of this study was to identify blood biochemical indicators that could be used as criteria to select lean Yellow-feathered chicken lines. 2. Levels of blood biochemical indicators in the fed and fasted states and the abdominal fat traits were measured in 332 Guangxi Yellow chickens. In the fed state, the genetic correlations (rg) of triglycerides and very low density lipoprotein (VLDL) levels were positive for the abdominal fat traits (0...
September 14, 2017: British Poultry Science
https://www.readbyqxmd.com/read/28904880/association-of-serum-uric-acid-level-with-coronary-artery-stenosis-severity-in-korean-end-stage-renal-disease-patients
#17
Hye Yun Jeong, Hye Jeong Cho, Sang Hoon Kim, Jun Chul Kim, Mi Jung Lee, Dong Ho Yang, So-Young Lee
BACKGROUND: Hyperuricemia is common in end-stage renal disease (ESRD) patients, and many previous studies have reported the associations between hyperuricemia and adverse cardiovascular outcomes, which are the major cause of death in such patients. We investigated the relationship between serum uric acid level and the severity of coronary stenosis in ESRD patients on maintenance hemodialysis (MHD). METHODS: Among 721 patients who started MHD treatment, 102 underwent coronary angiographic tests complaining of chest discomfort that was new at initiation of MHD...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28904879/renoprotective-effects-of-febuxostat-compared-with-allopurinol-in-patients-with-hyperuricemia-a-systematic-review-and-meta-analysis
#18
Sollip Kim, Hyun-Jung Kim, Hyeong-Sik Ahn, Se Won Oh, Kum Hyun Han, Tae-Hyun Um, Chong-Rae Cho, Sang Youb Han
BACKGROUND: Hyperuricemia is reported to be related to rapid progression of renal function in patients with chronic kidney disease (CKD). Allopurinol, a uric acid lowering agent, protects renal progression. However, it is not widely used in patients with CKD because of its serious adverse event. Febuxostat can be alternatively used for patients who are intolerable to allopurinol. We aimed to determine renoprotective effect and urate-lowering effect between the two drugs. METHODS: We performed a systematic review and meta-analysis of randomized controlled trials to assess the effects of febuxostat compared to allopurinol in patients with hyperuricemia...
September 2017: Kidney Research and Clinical Practice
https://www.readbyqxmd.com/read/28904431/role-of-gut-derived-uremic-toxins-on-oxidative-stress-and-inflammation-in-patients-with-chronic-kidney-disease
#19
S Gouroju, P V L N Srinivasa Rao, A R Bitla, K S Vinapamula, S M Manohar, S Vishnubhotla
Several cardiovascular disease (CVD) risk factors have been identified among patients with chronic kidney disease (CKD). Gut-derived uremic toxins (GDUT) are important modifiable contributors in this respect. There are very few Indian studies on GDUT changes in CKD. One hundred and twenty patients older than 18 years diagnosed with CKD were enrolled along with forty healthy subjects. The patients were classified into three groups of forty patients based on stage of CKD. Indoxyl sulfate (IS), para cresyl sulfate (p-CS), indole acetic acid (IAA), and phenol were estimated along with the assessment of oxidative stress (OS), inflammatory state, and bone mineral disturbance...
September 2017: Indian Journal of Nephrology
https://www.readbyqxmd.com/read/28904360/comparison-of-prognostic-clinical-and-renal-histopathological-characteristics-of-overlapping-idiopathic-membranous-nephropathy-and-iga-nephropathy-versus-idiopathic-membranous-nephropathy
#20
Xinxin Chen, Yu Chen, Keqing Shi, Yinqiu Lv, Huan Tong, Guangju Zhao, Chaosheng Chen, Bo Chen, Duo Li, Zhongqiu Lu
Overlapping idiopathic membranous nephropathy (IMN) and immunoglobulin A nephropathy (IgAN) is rare. This study aims to investigate the unique prognostic, clinical, and renal histopathological characteristics of IMN+IgAN. This retrospective observational study included 73 consecutive cases of IMN+IgAN and 425 cases of IMN treated between September 2006 and November 2015. Prognostic and baseline clinical and histopathological data were compared between the two patient groups. Poor prognostic events included a permanent 50% reduction in eGFR, end-stage renal disease, and all-cause mortality...
September 13, 2017: Scientific Reports
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