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kidney or glomerulonephritis

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https://www.readbyqxmd.com/read/27911463/vascular-access-types-in-patients-starting-hemodialysis-after-failed-kidney-transplant-does-close-nephrology-follow-up-matter
#1
Naveed Ul Haq, Mohamed Said Abdelsalam, Mohammed Mahdi Althaf, Abdulrahman Ali Khormi, Hassan Al Harbi, Bader Alshamsan, Mamdouh Nasser Albaqumi, Dieter Clemens Broering, Lutfi Alkorbi, Hassan Ali Aleid
BACKGROUND: Native arteriovenous fistulae (AVFs) are preferred while central venous catheters (CVCs) are least suitable vascular access (VA) in patients requiring hemodialysis (HD). Unfortunately, around 80% of patients start HD with CVCs. Late referral to nephrologist is thought to be a factor responsible for this. We retrospectively analyzed the types of VA at HD initiation in renal transplant recipients followed by nephrologists with failed transplant. If early referral to nephrologist improves AVF use, these patients should have higher prevalence of AVF at HD initiation...
November 28, 2016: Journal of Vascular Access
https://www.readbyqxmd.com/read/27911385/application-of-impermeable-barriers-combined-with-candidate-factor-soaked-beads-to-study-inductive-signals-in-the-chick
#2
Susan Wilde, Malcolm P Logan
The chick embryo provides a superb vertebrate model that can be used to dissect developmental questions in a direct way. Its accessibility and robustness following surgical intervention are key experimental strengths. Mica plates were the first barriers used to prevent chick limb bud initiation(1). Protocols that use aluminum foil as an impermeable barrier to wing bud or leg bud induction and or initiation are described. We combine this technique with bead placement lateral to the barrier to exogenously supply candidate endogenous factors that have been blocked by the barrier...
November 17, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911373/the-mouse-isolated-perfused-kidney-technique
#3
Jan Czogalla, Frank Schweda, Johannes Loffing
The mouse isolated perfused kidney (MIPK) is a technique for keeping a mouse kidney under ex vivo conditions perfused and functional for 1 hr. This is a prerequisite for studying the physiology of the isolated organ and for many innovative applications that may be possible in the future, including perfusion decellularization for kidney bioengineering or the administration of anti-rejection or genome-editing drugs in high doses to prime the kidney for transplantation. During the time of the perfusion, the kidney can be manipulated, renal function can be assessed, and various pharmaceuticals administered...
November 17, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27911052/synthesis-and-cytotoxicity-of-dendritic-platinum-nanoparticles-with-hek-293-cells
#4
Kyubin Shim, Jeonghun Kim, Yoon-Uk Heo, Bo Jiang, Cuiling Li, Mohammed Shahabuddin, Kevin C-W Wu, Md Shahriar A Hossain, Yusuke Yamauchi, Jung Ho Kim
Dendritic platinum nanoparticles (DPNs) have been synthesized from l-ascorbic acid and an amphiphilic non-ionic surfactant (Brij-58) via a sonochemical method. The particle size and shape of the DPNs could be tuned by changing the reduction temperature, resulting in a uniform DPN with a size of 23 nm or 60 nm. The facets of DPNs have been studied by high-resolution transmission electron microscopy. The cytotoxicity of DPNs has been investigated using human embryonic kidney cells (HEK-293), and the biological adaptability exhibited by DPNs has opened a pathway to biomedical applications such as drug-delivery systems, photothermal treatment, and biosensors...
December 2, 2016: Chemistry, An Asian Journal
https://www.readbyqxmd.com/read/27911005/adsorption-as-a-contributor-for-inflammatory-mediators-removal-by-different-hemofiltration-membranes-a-pilot-study
#5
Benjamin Malard, Nans Florens, Corine Lambert, Laurent Juillard
Atherosclerosis is an important predictor of mortality in patients with chronic kidney disease (CKD) and is associated with a wide inflammatory response. The aim of this study is to evaluate in vitro how different membranes can remove mediators associated with this pathology in a closed loop dialysis model. We performed experimental hemofiltration in vitro using three different membrane materials. Human plasma was preliminarily incubated with various inflammatory mediators and filtered in a closed loop circulation model for 240 min...
December 2, 2016: Artificial Organs
https://www.readbyqxmd.com/read/27910928/high-throughput-chinmedomics-based-prediction-of-effective-components-and-targets-from-herbal-medicine-as1350
#6
Qi Liu, Aihua Zhang, Liang Wang, Guangli Yan, Hongwei Zhao, Hui Sun, Shiyu Zou, Jinwei Han, Chung Wah Ma, Ling Kong, Xiaohang Zhou, Yang Nan, Xijun Wang
This work was designed to explore the effective components and targets of herbal medicine AS1350 and its effect on "Kidney-Yang Deficiency Syndrome" (KYDS) based on a chinmedomics strategy which is capable of directly discovering and predicting the effective components, and potential targets, of herbal medicine. Serum samples were analysed by UPLC-MS combined with pattern recognition analysis to identify the biomarkers related to the therapeutic effects. Interestingly, the effectiveness of AS1350 against KYDS was proved by the chinmedomics method and regulated the biomarkers and targeting of metabolic disorders...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910896/methylmercury-induces-the-expression-of-tnf-%C3%AE-selectively-in-the-brain-of-mice
#7
Miyuki Iwai-Shimada, Tsutomu Takahashi, Min-Seok Kim, Masatake Fujimura, Hitoyasu Ito, Takashi Toyama, Akira Naganuma, Gi-Wook Hwang
Methylmercury selectively damages the central nervous system (CNS). The tumor necrosis factor (TNF) superfamily includes representative cytokines that participate in the inflammatory response as well as cell survival, and apoptosis. In this study, we found that administration of methylmercury selectively induced TNF-α expression in the brain of mice. Although the accumulated mercury concentration in the liver and kidneys was greater than in the brain, TNF-α expression was induced to a greater extent in brain...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910890/adjuvant-radiotherapy-for-locally-advanced-upper-tract-urothelial-carcinoma
#8
Yun-Ching Huang, Ying-Hsu Chang, Kuo-Hsiung Chiu, Alan W Shindel, Chia-Hsuan Lai
There is relatively little literature on adjuvant radiotherapy after radical nephroureterectomy with bladder cuff excision (RNU) for patients with upper tract urothelial carcinoma (UTUC). This study was designed to determine the efficacy of adjuvant radiotherapy for patients with pT3N0M0 UTUC. We retrospectively reviewed 198 patients treated with RNU between December 2001 and January 2015. Postoperative radiotherapy was administered in 40 (20.2%) of patients. Patients who received radiotherapy were younger than those that did not (65...
December 2, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27910780/naringenin-ameliorates-doxorubicin-toxicity-and-hypoxic-condition-in-dalton-s-lymphoma-ascites-tumor-mouse-model-evidence-from-electron-paramagnetic-resonance-imaging
#9
Venkatesan Kathiresan, Swathika Subburaman, Arun Venkatesh Krishna, Mathivanan Natarajan, Gandhidasan Rathinasamy, Kumaresan Ganesan, Murugesan Ramachandran
Doxorubicin (DOX) is a well-known cytotoxic agent used extensively as a chemotherapeutic drug to eradicate a wide variety of human cancers. Reactive oxygen species (ROS)-mediated oxidative stress during DOX treatment can induce cardiac, renal, and hepatic toxicities, which can constrain its use as a potential cytotoxic agent. The present work investigates the antioxidant potential of naringenin (NAR) against DOXinduced toxicities of a Dalton's lymphoma ascites (DLA) tumor-bearing mouse model. Mice were randomized into four groups: a negative control, positive control, DOX (2...
2016: Journal of Environmental Pathology, Toxicology and Oncology
https://www.readbyqxmd.com/read/27910771/induction-of-flavin-containing-monooxygenase-in-mice-by-oral-administration-of-phellinus-baumii-agaricomycetes-extract
#10
Batbayar Sainkhuu, Beom Su Park, Ha Won Kim
Phellinus baumii is a yellow mushroom long used in alternative medicine in Korea and other central Asian countries. To identify genes affected by a single or 7-day oral administration of a water extract of Ph. Baumii, mouse liver tissue was analyzed using microarrays. The results showed that 8 and 23 genes were upregulated and 3 and 11 genes downregulated more than 3-fold by single and multiple oral administrations of 100 mg/kg PBE, respectively. Among the upregulated genes, the expression of 3 flavin-containing monooxygenase (Fmo) family genes, Fmo2-4, was upregulated in a concentration-dependent manner...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27910223/synthesis-and-preliminary-evaluation-of-a-99m-tc-labeled-folate-pamam-dendrimer-for-fr-imaging
#11
Manli Song, Zhide Guo, Mengna Gao, Changrong Shi, Duo Xu, Linyi You, Xiaowei Wu, Xinhui Su, Rongqiang Zhuang, Weimin Pan, Ting Liu, Xianzhong Zhang
Folate receptor is an ideal target for tumor-specific diagnostic and therapeutic. The aim of this study was to synthesize (99m) Tc-labeled folate-polyamidoamine dendrimer modified with 2-hydrazinonicotinic acid ((99m) Tc-HP3 FA) for FR imaging. The (99m) Tc-HP3 FA conjugate was prepared using N-tris-(hydroxymethyl)-methylglycine and trisodium triphenylphosphine-3,3',3″-trisulfonate as coligands. Physicochemical properties, in vitro cell uptake study, and in vivo micro-single-photon emission computed tomography/CT imaging were performed...
November 7, 2016: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/27910187/ureteral-stent-duration-and-the-risk-of-bk-polyomavirus-viremia-or-bacteriuria-after-kidney-transplantation
#12
Jonathan T Wingate, Jared Brandenberger, Andrew Weiss, Lauren G Scovel, Christian S Kuhr
OBJECTIVES: Ureteral stents are used in kidney transplantation (KTX) to decrease post-operative complications, but are associated with BK polyomavirus viremia (BKV). Our primary outcome was to determine the association between ureteral stent duration and BKV. Secondary outcome measures were the association between bacteriuria and stent duration or use of ureteral stent strings. METHODS: Between January 2010 and January 2015, 403 patients underwent KTX at Virginia Mason Medical Center and met inclusion criteria...
December 2, 2016: Transplant Infectious Disease: An Official Journal of the Transplantation Society
https://www.readbyqxmd.com/read/27910004/dabigatran-overdose-a-case-report-of-acute-hepatitis-extracorporeal-treatment
#13
Mariagrazia Porru, Antonella Mameli, Maria E Cianchetti, Mario Musu, Paola Schirru, Maria F Ruberto, Doris Barcellona, Francesco Marongiu
Dabigatran is an oral, direct thrombin inhibitor approved by international regulatory agencies for stroke prevention in patients with paroxysmal or persistent non-rheumatic atrial fibrillation (AF). The benefits of dabigatran are widely described, but its use in the geriatric population is not without risk. Chronic kidney disease is a common comorbidity with AF, and thus frequent checks of renal function in elderly patients are recommended. We report a case of dabigatran intoxication in an elderly man affected by heart failure and worsening renal function, who developed acute hepatitis and coma, which was successfully treated with continuous veno-venous hemodiafiltration...
December 1, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27909966/oxidative-balance-in-rats-during-adaptation-to-swimming-load
#14
A V Elikov
The main parameters of free radical oxidation and antioxidant defense in the blood plasma, erythrocytes, and homogenates of skeletal muscles, heart, liver, lungs, and kidneys were studied in adult outbred albino male rats with different degree of adaptation to moderate exposure to swimming. The rats were trained to swim regularly over 1 month. Changes in oxidative balance varied in organs and tissues and depended on the level of training. Malonic dialdehyde content in the erythrocytes after swimming increased by 13...
December 2, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27909964/oxidative-stress-and-biochemical-markers-of-endothelial-dysfunction-and-organ-damage-under-conditions-of-experimental-nonferrous-metal-intoxication
#15
F S Dzugkoeva, I V Mozhaeva, S G Dzugkoev, O I Margieva, A I Tedtoeva, M A Otiev
Chronic nickel intoxication caused by parenteral nickel chloride administration (0.5 mg/kg of body weight) to Wistar rats led to ROS generation inducing LPO in erythrocyte membranes and homogenates of renal, liver, and myocardial tissue. Superoxide dismutase (SOD) activity was inhibited, while catalase activity and ceruloplasmin concentration increased. LPO and its products disrupted nitric oxide production and reduced its bioavailability, which led to the development of endothelial dysfunction and impaired microcirculatory hemodynamics...
December 2, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27909962/efficiency-of-osmotic-concentration-after-combined-treatment-with-vasopressin-and-blockage-of-prostaglandin-synthesis
#16
V A Lavrinenko, A V Babina
We performed a complex functional study of the effects of prostaglandin synthesis blockage with diclofenac on manifestation of the hydroosmotic effect of vasopressin V2-receptor agonist desmopressin in the kidneys of Wistar rats with normal synthesis of endogenous vasopressin and homozygous Brattleboro rats with hereditary impaired synthesis of neurohypophyseal hormone vasopressin. Blockage of prostaglandin synthesis led to more pronounced increase in urine osmolality in Brattleboro rats than in Wistar rats due to elevation of not only urine but also sodium gradient at the expense of elimination of the inhibitory effect of prostaglandins on sodium reabsorption and membrane permeability for urine...
December 2, 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27909926/metals-as-chemical-tracers-to-discriminate-ecological-populations-of-threatened-franciscana-dolphins-pontoporia-blainvillei-from-argentina
#17
M B Romero, P Polizzi, L Chiodi, A Robles, K Das, M Gerpe
Franciscana dolphins are the most impacted small cetacean in the Southwestern Atlantic Ocean, classified as Vulnerable A3d by IUCN. Essential (Fe, Mo, Mn, Cr, Ni, Co) and non-essential (Ag, Pb, Sn) trace elements (TEs) were measured in liver, kidney, and brain samples of by-catch Franciscana dolphins that were living in estuarine (n = 21) and marine (n = 21) habitats (1) to assess whether TEs posed a threat and (2) to evaluate the suitability of TEs for discriminating ecological populations of this species in Argentinean waters...
December 1, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27909903/obesity-and-kidney-cancer
#18
Kathryn M Wilson, Eunyoung Cho
Renal cell cancer (RCC) is the major type of kidney cancer with increasing incidence. Obesity is one of the well-established risk factors for RCC. Meta-analyses including multiple cohort and case-control studies have found a consistent positive association between obesity and RCC. The association appeared to be independent of other RCC risk factors including hypertension and has been often stronger in women, although a positive association has also been observed in men. Obesity has been largely measured as body mass index (BMI)...
2016: Recent Results in Cancer Research
https://www.readbyqxmd.com/read/27909897/nha2-is-expressed-in-distal-nephron-and-regulated-by-dietary-sodium
#19
Kalyan C Kondapalli, R Todd Alexander, Jennifer L Pluznick, Rajini Rao
Increased renal reabsorption of sodium is a significant risk factor in hypertension. An established clinical marker for essential hypertension is elevated sodium lithium countertransport (SLC) activity. NHA2 is a newly identified Na(+)(Li(+))/H(+) antiporter with potential genetic links to hypertension, which has been shown to mediate SLC activity and H(+)-coupled Na(+)(Li(+)) efflux in kidney-derived MDCK cells. To evaluate a putative role in sodium homeostasis, we determined the effect of dietary salt on NHA2...
December 1, 2016: Journal of Physiology and Biochemistry
https://www.readbyqxmd.com/read/27909865/apocynin-alleviates-renal-ischemia-reperfusion-injury-through-regulating-the-level-of-zinc-and-metallothionen
#20
Bo Hu, Yuhong Wu, Fei Tong, Jie Liu, Xiaohua Shen, Ruilin Shen, Guangtao Xu
The purpose of this research was to evaluate the protective effects of apocynin on renal ischemia/reperfusion (I/R) injury (RI/RI) in rats. Rats preconditioned with apocynin were subjected to renal I/R. Zinc levels in serum and renal tissues, blood urea nitrogen (BUN), and serum creatinine (Scr) were detected. We further measured the activity of superoxide dismutase (SOD); the content of malondialdehyde (MDA), IL-4, IL-6, IL-10, and TNF-α; and the expression of metallothionein (MT) in the renal tissues. Results indicated that the levels of MDA, IL-4, IL-6, IL-10, TNF-α, and MT in the kidney tissue and serum BUN and Scr levels in RI/RI group were significantly higher than those in sham-operated group, while the levels of serum Zn and kidney Zn and SOD were reduced in RI/RI group...
December 1, 2016: Biological Trace Element Research
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