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https://www.readbyqxmd.com/read/29471458/pro-the-rationale-for-dietary-therapy-for-patients-with-advanced-chronic-kidney-disease
#1
Joel D Kopple, Denis Fouque
Dietary treatment offers many benefits to patients with advanced chronic kidney disease (CKD) who are approaching the need for renal replacement therapy. A large number of these benefits are independent of whether diets slow the rate of progression of CKD. These diets are low in protein and many minerals, and provide adequate energy for the CKD patient. The diets can reduce accumulation of potentially toxic metabolic products derived from protein and amino acid degradation, maintain a healthier balance of body water, sodium, potassium, phosphorus, calcium and other minerals, and prevent or improve protein-energy wasting...
February 19, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29471254/uplc-ms-ms-assay-validation-for-tacrolimus-quantitative-determination-in-peripheral-blood-t-cd4-and-b-cd19-lymphocytes
#2
Paschoalina Romano, Maria da Luz Fernandes, Pérsio de Almeida Rezende Ebner, Nayara Duarte de Oliveira, Larissa Mitsue Okuda, Fabiana Agena, Maria Elizabete Mendes, Nairo Massakazu Sumita, Verônica Coelho, Elias David-Neto, Nelson Zocoler Galante
Monitoring tacrolimus (Tac) exposure in cell matrices enriched with lymphocytes can improve Tac therapeutic drug monitoring (TDM) in solid organ transplant recipients. An UPLC-MS/MS based assay for Tac quantification in peripheral blood T CD4+ and B CD19+ lymphocytes was developed. Peripheral blood mononuclear cells (PBMC) were obtained by density gradient centrifugation and highly purified (purity >90%) T CD4+ and B CD19+ cell suspensions were acquired by magnetic negative selection from whole blood of 6 healthy volunteers...
January 5, 2018: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/29466174/-pharmacological-properties-of-loop-diuretics-and-their-clinical-effects
#3
G Sakalauskienė, G Civinskienė, A Antuševas, P Civinskas
Edematous states caused by an excessesive extracellular fluid retention are major components of cardiovascular and renal disorders including chronic kidney disease, nephrotic syndrome, and heart failure. The use of diuretic drugs from various groups including loop duiretics are important means of pharmacological correction of these clinical conditions. Moreover, diuretics used to lower bood pressure as a part of antihypertensive treatment, reduce cardiovascular events. The response of patients to the dose of a diuretic is reflected by a sigmoid dose-response curve which can be affected by changes of sodium content in the body...
January 2018: Kardiologiia
https://www.readbyqxmd.com/read/29463041/the-antioxidant-content-and-protective-effect-of-argan-oil-and-syzygium-aromaticum-essential-oil-in-hydrogen-peroxide-induced-biochemical-and-histological-changes
#4
Meryem Bakour, Najoua Soulo, Nawal Hammas, Hinde El Fatemi, Abderrazak Aboulghazi, Amal Taroq, Abdelfattah Abdellaoui, Noori Al-Waili, Badiaa Lyoussi
Oxidative stress is an important etiology of chronic diseases and many studies have shown that natural products might alleviate oxidative stress-induced pathogenesis. The study aims to evaluate the effect of Argan oil and Syzygium aromaticum essential oil on hydrogen peroxide (H₂O₂)-induced liver, brain and kidney tissue toxicity as well as biochemical changes in wistar rats. The antioxidant content of Argan oil and Syzygium aromaticum essential oil was studied with the use of gas chromatography. The animals received daily by gavage, for 21 days, either distilled water, Syzygium aromaticum essential oil, Argan oil, H₂O₂ alone, H₂O₂ and Syzygium aromaticum essential oil, or H₂O₂ and Argan oil...
February 18, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29460274/a-perfusion-chamber-for-monitoring-transepithelial-nacl-transport-in-an-in-vitro-model-of-the-renal-tubule
#5
Jose Yeste, Laura Martínez-Gimeno, Xavi Illa, Pablo Laborda, Anton Guimerà, Juan P Sánchez-Marín, Rosa Villa, Ignacio Giménez
Transepithelial electrical measurements in the renal tubule have provided a better understanding of how kidney regulates electrolyte and water homeostasis through the reabsorption of molecules and ions (e.g., H2 O and NaCl). While experiments and measurement techniques using native tissue are difficult to prepare and to reproduce, cell cultures conducted largely with the Ussing chamber lack the effect of fluid shear stress which is a key physiological stimulus in the renal tubule. To overcome these limitations, we present a modular perfusion chamber for long-term culture of renal epithelial cells under flow that allows the continuous and simultaneous monitoring of both transepithelial electrical parameters and transepithelial NaCl transport...
February 20, 2018: Biotechnology and Bioengineering
https://www.readbyqxmd.com/read/29457572/early-effects-on-the-intestinal-barrier-and-pancreatic-function-after-enteral-stimulation-with-protease-or-kidney-bean-lectin-in-neonatal-rats
#6
Ester Arévalo Sureda, Olena Prykhodko, Björn Weström
Gut maturation naturally accelerates at weaning in altricial mammalian species, such as the rat. Mimicking this, gut development can also be induced precociously, 3-4 d earlier than it would occur naturally, by enteral exposure to phytohaemagglutinin (PHA), or various proteases. We investigated the early effects of gut provocation on intestinal barrier and pancreatic functions, to get a better understanding of the mechanisms that initiate gut maturation. The effects of oral administration of protease (trypsin) or PHA to 14-d-old suckling rats were studied during 24 h in comparison with water-fed controls...
February 19, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29455546/effects-of-complete-water-fasting-and-regeneration-diet-on-kidney-function-oxidative-stress-and-antioxidants
#7
V Mojto, A Gvozdjakova, J Kucharska, Z Rausova, O Vancova, J Valuch
OBJECTIVE: The aim of the study was to observe the influence of 11-days complete water fasting (WF) and regeneration diet (RD) on renal function, body weight, blood pressure and oxidative stress. BACKGROUND: Therapeutic WF is considered a healing method. METHODS: Ten volunteers drank only water for 11 days, followed by RD for the next 11 days. Data on body weight, blood pressure, kidney functions, antioxidants, lipid peroxidation, cholesterols, triacylglycerols and selected biochemical parameters were obtained...
2018: Bratislavské Lekárske Listy
https://www.readbyqxmd.com/read/29455525/graphene-oxide-decorated-with-cerium-iv-oxide-in-determination-of-ultra-trace-metal-ions-and-speciation-of-selenium
#8
Anna Baranik, Rafal Sitko, Anna Gagor, Ignasi Queralt, Eva Margui, Beata Zawisza
Graphene oxide decorated with cerium (IV) oxide (GO/CeO2) was synthesized and applied in adsorption of several metal ions such as As(III), As(V), Se(IV), Cu(II) and Pb(II) from aqueous samples. The important feature of GO/CeO2 nanocomposite is also its selectivity towards selenite in the presence of selenate. The structure of GO/CeO2 has been proven by microscopic and spectroscopic techniques. The maximum adsorption capacities of GO/CeO2 calculated by Langmuir model towards arsenic, selenium, copper and lead ions are between 6 and 30 mg g-1...
February 18, 2018: Analytical Chemistry
https://www.readbyqxmd.com/read/29452086/ameliorative-effects-of-clonidine-on-ethanol-induced-kidney-injury-in-rats-potential-role-for-imidazoline-1-receptor
#9
Nesreen M I M Elkomy, Islam A A E-H Ibrahim, Shimaa M Elshazly, Hassan M El-Fayoumi
Chronic alcoholism is a risk factor for kidney injury. Clonidine is an α 2 -adrenergic receptor/imidazoline-1 receptor agonist that can reduce blood pressure and maintain renal functions. This study aims to investigate the possible ameliorative effects of clonidine on ethanol induced kidney injury and its mechanism of action. Kidney injury was induced in rats by adding ethanol to drinking water for eight weeks. Clonidine effects on kidney functions and histopathology were measured. Moreover, phentolamine (α-adrenergic receptor antagonist), efaroxan (imidazoline-1 receptor antagonist) and rilmenidine (imidazoline-1 receptor agonist) were used to clarify the role of imidazoline-1 receptor in mediating renal ameliorative effects...
February 13, 2018: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29450680/effects-of-silver-nanoparticles-on-hematological-parameters-and-hepatorenal-functions-in-laying-japanese-quails
#10
Ako Rezaei, Amjad Farzinpour, Asaad Vaziry, Ali Jalili
Silver nanoparticles (AgNPs) have recently emerged as a powerful agents for disinfection in the poultry industry. AgNPs are capable of epithelial barriers passing from the route of exposure to the vital organs and cells. This study evaluated the effects of AgNPs on organs weights, blood biochemical, hematological, and coagulation parameters, antioxidant enzyme activities, and histopathological changes and silver concentrations of liver and kidney tissues in laying Japanese quails after exposure to the nanoparticles...
February 15, 2018: Biological Trace Element Research
https://www.readbyqxmd.com/read/29447949/protective-effects-of-alpinae-oxyphyllae-fructus-extracts-on-lipopolysaccharide-induced-animal-model-of-alzheimer-s-disease
#11
Yunlong Wang, Mengshi Wang, Kaiyue Fan, Tongde Li, Tingxu Yan, Bo Wu, Kaishun Bi, Ying Jia
ETHNOPHARMACOLOGICAL RELEVANCE: Alpinae Oxyphyllae Fructus (AOF) with warming and tonifying the kidney and spleen, anti-salivation, anti-polyuria and anti-diarrhea functions is the dried ripe fruits of Alpinia oxyphylla Miq. (Zingiberaceae). As a traditional Chinese medicine, its application history is very long. AIMS OF THE STUDY: The purpose of our study is to investigate the effects of different solvent extracts from AOF on lipopolysaccharide (LPS)-induced animal model of Alzheimer's disease (AD) to elucidate the traditional medical theories with modern pharmacological methods and provide a reference for further clarifying its active components and mechanisms...
February 12, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29447158/interaction-between-nitric-oxide-and-renal-%C3%AE-1-adrenoreceptors-mediated-vasoconstriction-in-rats-with-left-ventricular-hypertrophyin-wistar-kyoto-rats
#12
Ashfaq Ahmad, Munavvar A Sattar, Maleeha Azam, Safia A Khan, Owais Bhatt, Edward J Johns
Left ventricular hypertrophy (LVH) is associated with decreased responsiveness of renal α1-adrenoreceptors subtypes to adrenergic agonists. Nitric oxide donors are known to have antihypertrophic effects however their impact on responsiveness of renal α1-adrenoreceptors subtypes is unknown. This study investigated the impact of nitric oxide (NO) and its potential interaction with the responsiveness of renal α1-adrenoreceptors subtypes to adrenergic stimulation in rats with left ventricular hypertrophy (LVH)...
2018: PloS One
https://www.readbyqxmd.com/read/29444734/growth-performance-carcass-and-noncarcass-traits-and-meat-quality-of-barbarine-lambs-fed-rosemary-distillation-residues
#13
Y Yagoubi, H Hajji, S Smeti, M Mahouachi, M Kamoun, N Atti
The aim of this experiment was to study the effect of total replacement of oat hay by rosemary distillation residues (RR) on growth, carcass characteristics and meat quality of Barbarine lambs. A total of 21 lambs were divided into three groups. The control group (C) was offered 600 g of oat hay; the RR87 and RR60 groups received 600 g of pellets containing 87% and 60% of RR, respectively. The CP content was 9% and 14% for RR87 and RR60, respectively. All animals were supplemented by 600 g of concentrate. After 77 days of fattening, lambs were slaughtered...
February 15, 2018: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/29436846/effect-of-dimethyl-fumarate-on-renal-disease-progression-in-a-genetic-ortholog-of-nephronophthisis
#14
Oliver Oey, Padmashree Rao, Magdalena Luciuk, Carly Mannix, Natasha M Rogers, Priyanka Sagar, Annette Wong, Gopala Rangan
Dimethyl fumarate is an FDA-approved oral immunomodulatory drug with anti-inflammatory properties that induces the upregulation of the anti-oxidant transcription factor, nuclear factor erythroid-derived factor 2. The aim of this study was to determine the efficacy of dimethyl fumarate on interstitial inflammation and renal cyst growth in a preclinical model of nephronophthisis. Four-week-old female Lewis polycystic kidney disease (a genetic ortholog of human nephronophthisis-9) rats received vehicle (V), 10 mg/kg (D10) or 30 mg/kg (D30) ( n = 8-9 each) dimethyl fumarate in drinking water for eight weeks...
January 1, 2018: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29433768/ginger-polyphenols-attenuate-cyclosporine-induced-disturbances-in-kidney-function-potential-application-in-adjuvant-transplant-therapy
#15
Isiaka Ayofe Adekunle, Christian Eseigbe Imafidon, Ayowole Abraham Oladele, Abiodun Oladele Ayoka
Cyclosporine (CYA), a common immuno-suppressant drug that is used in organ transplants, is associated with nephrotoxic effects. Scientific exploration of natural products of plant origin should be considered; especially, in a world with increasing prevalence of kidney diseases. Effects of ginger polyphenols (GP) in Wistar rats with CYA-induced perturbations in electrolyte balance and kidney function was determined. Fifty Wistar rats were recruited for this study such that graded doses of GP were administered following CYA-induced kidney injury and comparisons were made against control and toxic groups at p < 0...
February 7, 2018: Pathophysiology: the Official Journal of the International Society for Pathophysiology
https://www.readbyqxmd.com/read/29433251/ethyl-acetate-fraction-from-hibiscus-sabdariffa-l-attenuates-diabetes-associated-cognitive-impairment-in-mice
#16
Tae Wan Seung, Seon Kyeong Park, Jin Yong Kang, Jong Min Kim, Sang Hyun Park, Bong Seok Kwon, Chang Jun Lee, Jeong Eun Kang, Dae Ok Kim, Uk Lee, Ho Jin Heo
The ameliorating effects of the ethyl acetate fraction from Hibiscus sabdariffa L. (EFHS) 2 against diabetes mellitus (DM) 3 and DM-induced cognitive impairment were investigated on streptozotocin (STZ) 4 -induced DM mice. The EFHS groups showed improved hyperglycemia and glucose tolerance compared to the STZ group. Furthermore, their liver and kidney function and lipid metabolic imbalance in the blood serum were effectively recovered. The EFHS groups significantly ameliorated STZ-induced cognitive impairment in Y-maze, passive avoidance, and Morris water maze (MWM) 5 tests...
March 2018: Food Research International
https://www.readbyqxmd.com/read/29432841/evaluation-of-13-week-repeated-oral-dose-toxicity-of-areca-catechu-in-f344-n-rats
#17
Hyun-Ji Kim, Je-Won Ko, Seung-Beom Cha, Hyun-Suk Heo, Jong-Hun Seo, Mi-Jin Cha, Jin-Sook Bae, Hyun-Kul Lee, Si-Whan Song, Jong-Choon Kim
This study investigated the potential toxicity of the Areca catechu water extract after 13-week repeated oral administration at 0, 166.7, 500, and 1500 mg/kg/day in rats. During the study period, clinical signs, mortality, body weight, food consumption, water consumption, urinalysis, estrous cycle, sperm count and motility, ophthalmoscopy, hematology, serum biochemistry, gross pathology, organ weights, and histopathology were examined. At 1500 mg/kg/day, both sexes exhibited an increase in the incidence of abnormal clinical signs, which included, decreased body weight gain and food consumption, and increased urine bilirubin, ketone bodies, specific gravity, and protein and kidney weight...
February 9, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29429790/the-effect-of-cisplatin-administration-on-certain-trace-elements-homeostasis-in-rats-and-the-protective-effect-of-silver-birch-betula-pendula-sap
#18
Florin Muselin, Eugenia Dumitrescu, Adina Berbecea, Alexandru Octavian Doma, Diana Brezovan, Jelena Savici, Alexandra Trif, Romeo Teodor Cristina
BACKGROUND: A clinically active structure with known antitumor activities is cisplatin (CDDP), but this it comes with toxicity characteristics which can be faded by the beneficial effects of Silver birch (Betula pendula) sap. OBJECTIVE: We aimed to assess the cisplatin activity on: Mn, Mg, Cu, Fe and Zn homeostasis in rats and to observe the effect of birch sap. METHODS: Healthy Wistar rats (n = 10/group) were divided in four groups: Control: receiving 1 mL saline I...
February 7, 2018: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/29428662/antihypertensive-and-antioxidant-effects-of-protocatechuic-acid-in-deoxycorticosterone-acetate-salt-hypertensive-rats
#19
Leila Safaeian, Reyhaneh Emami, Valiollah Hajhashemi, Zahra Haghighatian
Protocatechuic acid (PCA) is a natural antioxidant with beneficial cardiovascular properties. In this study, the effect of supplementation with PCA was investigated in deoxycorticosterone acetate (DOCA)-salt hypertension. Male Wistar rats received DOCA (25 mg/kg, s.c.) twice weekly and 1% NaCl in drinking water and simultaneously treated with PCA (50, 100 and 200 mg/kg, p.o.) for 4 weeks. Systolic blood pressure (SBP) was detected using tail-cuff method. Electrolytes including Na+, K+ and chloride, catalase activity, glutathione, total antioxidant capacity, malondialdehyde (MDA) and hydroperoxides concentration were measured in serum samples...
February 8, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29428659/removal-of-indoxyl-sulfate-by-water-soluble-poly-cyclodextrins-in-dialysis
#20
Jingyu Li, Lulu Han, Shuxin Liu, Sai He, Yaming Cao, Jian Xie, Lingyun Jia
Indoxyl sulfate (IS) is a uremic toxin related to the progression of chronic kidney diseases. Removal of IS from the plasma would reduce the risk of cardiovascular disease. In this study, crosslinked poly-β-cyclodextrins (PCDs) were used as a water-soluble adsorbent agent for IS in dialysis for the first time. The molecular weight of PCDs was found to be proportional to the crosslinking time between β-cyclodextrin monomers and epichlorohydrin, yet the proportion of β-cyclodextrin that reacted with epichlorohydrin decreased...
January 31, 2018: Colloids and Surfaces. B, Biointerfaces
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