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https://www.readbyqxmd.com/read/28627057/vitamin-d-metabolism-in-growing-pigs-influence-of-uvb-irradiation-and-dietary-vitamin-d-supply-on-calcium-homeostasis-its-regulation-and-bone-metabolism
#1
E Kolp, M R Wilkens, W Pendl, B Eichenberger, A Liesegang
The aim of this study was to prove whether pigs are able to synthesize vitamin D (vitD) in the skin and to investigate the influence of ultraviolet irradiation (UVB) on vitD status and calcium (Ca) homeostasis of growing pigs. Thirty-two 11-week-old pigs were kept without access to sunlight and divided into four groups receiving the following treatment in a 2 × 2 factorial design: (i) UVB irradiation or not and (ii) vitD in feed or not. Blood, urine and faeces were sampled every third week. In serum, vitD metabolites, Ca, phosphorus (P), magnesium (Mg) and bone markers were analysed...
June 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28595723/stable-isotope-n-phosphoryl-amino-acids-labeling-for-quantitative-profiling-of-amine-containing-metabolites-using-liquid-chromatography-mass-spectrometry
#2
Shanshan Zhang, Jinwen Shi, Changkai Shan, Chengting Huang, Yile Wu, Rong Ding, Yuhua Xue, Wen Liu, Qiang Zhou, Yufen Zhao, Pengxiang Xu, Xiang Gao
Stable isotope chemical labeling liquid chromatography-mass spectrometry (LC-MS) is a powerful strategy for comprehensive metabolomics profiling, which can improve metabolites coverage and quantitative information for exploration of metabolic regulation in complex biological systems. In the current work, a novel stable isotope N-phosphoryl amino acids labeling strategy (SIPAL) has been successful developed for quantitative profiling of amine-containing metabolites in urine based on organic phosphorus chemistry...
July 25, 2017: Analytica Chimica Acta
https://www.readbyqxmd.com/read/28569079/effect-of-a-high-phosphorus-diet-on-indicators-of-renal-health-in-cats
#3
Britta Dobenecker, Anna Webel, Sven Reese, Ellen Kienzle
Objectives High phosphorus intake may further impair renal health in cats with chronic kidney disease (CKD). The hypothesis that a high phosphorus (HP) diet might be nephrotoxic for healthy animals was tested in cats, a species with a high incidence of naturally occurring CKD. Methods Thirteen healthy adult cats were fed a phosphorus excess diet (about five times maintenance requirements), and this HP group was compared with cats on a balanced control diet (CON). The trial lasted for 29 days (10 days of faeces and urine collection)...
May 1, 2017: Journal of Feline Medicine and Surgery
https://www.readbyqxmd.com/read/28522248/adverse-effects-in-kidney-function-antioxidant-systems-and-histopathology-in-rats-receiving-monosodium-glutamate-diet
#4
María Del Carmen Contini, Ana Fabro, Néstor Millen, Adriana Benmelej, Stella Mahieu
We investigated the effects of adding of monosodium glutamate (MSG) to a standard diet on oxidative stress in kidney, nitric oxide excretion, renal ions handling and blood pressure. We examined the association of these changes with the effects on renal histology. The study was performed on male Wistar rats (5 weeks old) divided into 3 groups: 1) MSG group were fed a diet supplemented with 3g of MSG/kg b.w./day, five days a week, and spontaneous ingestion of a 1% MSG solution during 16 weeks; 2) NaCl group were fed a diet with NaCl (1g/kg b...
May 15, 2017: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28452787/nutrient-recovery-from-airplane-wastewater-composition-treatment-and-ecotoxicological-assay
#5
Jorge Luiz da Paixão Filho, Adriano Luiz Tonetti, Martha Tavanielli Guimarães, Dailto Silva
For the 2014 World Cup and the 2016 Olympic Games, Brazil has expanded its airport infrastructure. This will lead to an increase in wastewater generation from aircrafts. This wastewater is traditionally taken from the aircrafts and disposed in the public sewage collection system. However, this residual water may have a different composition than the usual sanitary sewage. Therefore, it is important to study an alternative to treat this kind of wastewater. Thus, the objective of this study was to characterize and analyze the treatment of wastewater from airplane toilets through chemical precipitation for the removal of ammonia in the form of struvite...
April 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28448530/response-of-npt2a-knockout-mice-to-dietary-calcium-and-phosphorus
#6
Yuwen Li, Daniel Caballero, Julian Ponsetto, Alyssa Chen, Chuanlong Zhu, Jun Guo, Marie Demay, Harald Jüppner, Clemens Bergwitz
Mutations in the renal sodium-dependent phosphate co-transporters NPT2a and NPT2c have been reported in patients with renal stone disease and nephrocalcinosis, but the relative contribution of genotype, dietary calcium and phosphate to the formation of renal mineral deposits is unclear. We previously reported that renal calcium phosphate deposits persist and/or reappear in older Npt2a-/- mice supplemented with phosphate despite resolution of hypercalciuria while no deposits are seen in wild-type (WT) mice on the same diet...
2017: PloS One
https://www.readbyqxmd.com/read/28446830/bryophyllum-pinnatum-leaf-extracts-prevent-formation-of-renal-calculi-in-lithiatic-rats
#7
Mahendra Yadav, Vijay D Gulkari, Manish M Wanjari
BACKGROUND: Bryophyllum pinnatum, commonly known as Pattharcaṭṭa, is used traditionally in ethnomedicinal practices for the treatment of kidney stone and urinary insufficiency. AIM: The present study evaluated the effect of Bryophyllum pinnatum on ethylene glycol (EG)-induced renal calculi in rats. MATERIALS AND METHODS: Renal calculi were induced in rats by administration of 0.75% EG in drinking water and co-treated orally with standard drug, Cystone (750 mg/kg), or alcoholic and hydro-alcoholic extracts in doses of 100, 200 and 400 mg/kg for 28 days...
October 2016: Ancient Science of Life
https://www.readbyqxmd.com/read/28442523/a-detailed-comparison-of-morning-and-random-urine-specimen-levels-with-24-hour-urinary-excretion-levels-of-seven-biochemical-parameters-with-a-proposed-formula
#8
Ziba Shojaei-Far, Farideh Razi, Fatemeh Bandarian, Camelia Rambod, Mostafa Qorbani
This study aimed to evaluate the validity of the suggested method (SM) to estimate the urinary level of seven biochemical parameters within 24 hours with an innovative formula using morning and random urine specimens. A total of 133 clients referring to the laboratory of the Endocrinology & Metabolism Research Institute, Tehran University of Medical Sciences, participated voluntarily in the investigation with providing three urine samples of 24-hour, morning and random. Seven biochemical parameters (calcium, phosphorus, urea, creatinine, uric acid, microalbumin and protein) were measured in all three samples...
March 2017: Annals of Clinical and Laboratory Science
https://www.readbyqxmd.com/read/28439382/association-between-adiponectin-and-insulin-resistance-in-diabetic-urolithiasis
#9
Dona Devasia, Kavitha Meiyappan, Palani Selvam Mohanraj, Dorairajan Lalgudi Narayanan, Gandhipuram Periyasamy Senthilkumar, Md Yasir
OBJECTIVES: The prevalence of urolithiasis is increasing worldwide. Diabetes mellitus (DM) is characterized by insulin resistance, which increases the risk of kidney stone formation. Adiponectin is an insulin-sensitizing and anti-inflammatory cytokine, which is known to improve glucose tolerance and insulin resistance in humans. The association of insulin and adiponectin with kidney stones is not clear. Hence, the present study aim to assess the serum levels of adiponectin and insulin resistance in DM patients with urolithiasis in comparison to those without...
March 2017: Oman Medical Journal
https://www.readbyqxmd.com/read/28422036/physicochemical-factors-of-the-urine-of-children-with-hypercalciuria
#10
Mercedes Ubetagoyena-Arrieta, Jorge Martínez Sáenz de Jubera, María Nieves Corera-Casty, Eduardo González Pérez-Yarza, Irati García-Albizua
OBJECTIVE: Hypercalciuria is a common lithogenic risk factor. The aim of this study was, first, to study the characteristics of urine biochemical factors of children with hypercalciuria (HC) and compare them with those of children without hypercalciuria. Second, to analyze the differences between children with HC and lithiasis (HCL) and children with HC and no lithiasis (HCNL). METHODS: The sample was composed by 111 cases with HC, divided into 2 groups: HCNL group, consisting of 93 cases with no personal history of kidney stones, and HCL group, 18 cases with personal history of kidney stones...
April 2017: Archivos Españoles de Urología
https://www.readbyqxmd.com/read/28409915/nitrogen-and-phosphorus-harvesting-from-human-urine-using-a-stripping-absorption-and-precipitation-process
#11
Surendra K Pradhan, Anna Mikola, Riku Vahala
Human urine contains significant amounts of N (nitrogen) and P (phosphorus); therefore it has been successfully used as fertilizer in different crops. But the use of urine as fertilizer has several constraints, such as, the high cost of transportation, an unpleasant smell, the risk of pathogens, and pharmaceutical residue. A combined and improved N stripping and P precipitation technique is used in this study. In this technique, Ca(OH)2 is used to increase the pH of urine which converts ammonium into ammonia gas and precipitate P as Ca-P compound...
May 2, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28407138/calcium-and-bone-turnover-markers-in-acromegaly-a-prospective-controlled-study
#12
Tina Constantin, Vin Tangpricha, Reshma Shah, Nelson M Oyesiku, Octavian C Ioachimescu, James Ritchie, Adriana G Ioachimescu
Context: Acromegaly has been associated with calcium-phosphate and bone turnover alterations. Controlled studies of these interactions are sparse. Objective: To evaluate calcium and bone metabolism in active and treated acromegaly. Design/Setting/Patients: We conducted a controlled prospective study at a tertiary referral center. We studied 22 patients with acromegaly referred for surgical or medical therapy (ACM) and 22 with nonfunctioning pituitary adenomas referred for surgery (control)...
April 12, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28406084/evidence-that-tmp-gfr-can-be-estimated-with-the-walton-bijvoet-nomogram-in-chronic-kidney-disease%C3%A2
#13
Kenneth R Phelps, Darius L Mason
BACKGROUND: The Walton--Bijvoet nomogram incorporates the assumption that GFR = creatinine clearance (Ccr). It determines phosphate tubular maximum per volume of filtrate (TmP/GFR) from serum phosphorus ([P]s) and fractional excretion of P (FEP), and equates TmP/GFR with actual reabsorption per volume of filtrate (TRP/Ccr) at FEP ≥ 20%. It has not been validated in chronic kidney disease (CKD). METHODS: We studied 28 controls and 30 patients with stages 3 - 4 CKD...
April 13, 2017: Clinical Nephrology
https://www.readbyqxmd.com/read/28394274/vegetarian-diet-in-chronic-kidney-disease-a-friend-or-foe
#14
REVIEW
Anna Gluba-Brzózka, Beata Franczyk, Jacek Rysz
Healthy diet is highly important, especially in patients with chronic kidney disease (CKD). Proper nutrition provides the energy to perform everyday activities, prevents infection, builds muscle, and helps to prevent kidney disease from getting worse. However, what does a proper diet mean for a CKD patient? Nutrition requirements differ depending on the level of kidney function and the presence of co-morbid conditions, including hypertension, diabetes, and cardiovascular disease. The diet of CKD patients should help to slow the rate of progression of kidney failure, reduce uremic toxicity, decrease proteinuria, maintain good nutritional status, and lower the risk of kidney disease-related secondary complications (cardiovascular disease, bone disease, and hypertension)...
April 10, 2017: Nutrients
https://www.readbyqxmd.com/read/28380588/effects-of-zinc-oxide-and-microbial-phytase-on-digestibility-of-calcium-and-phosphorus-in-maize-based-diets-fed-to-growing-pigs
#15
L Blavi, D Sola-Oriol, J F Perez, H H Stein
An experiment was conducted to test the hypothesis that inclusion of Zn at a pharmacological level in diets fed to pigs affects apparent total tract digestibility (ATTD) of Ca and P and standardized total tract digestibility (STTD) of Ca. The second hypothesis was that inclusion of microbial phytase increases the ATTD of Ca and P and the STTD of Ca regardless of the concentration of Zn in the diet. Fifty-six growing barrows (15.4 ± 1.9 kg average BW) were allotted to a randomized complete block design with 7 dietary treatments and 8 pigs per treatment...
February 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28366992/availability-of-24-h-urine-collection-method-on-dietary-phosphorus-intake-estimation
#16
Masae Sakuma, Yuuka Morimoto, Yukie Suzuki, Akitsu Suzuki, Saaya Noda, Kanaho Nishino, Sakiko Ando, Makoto Ishikawa, Hidekazu Arai
Accurate assessment of dietary phosphorus intake is necessary to prevent hyperphosphatemia. The aim of this study was to evaluate the 24-h urine collection method for estimation of phosphate intake in healthy males. Two experiments, a 1-day and a 5-day loading test, were performed. After an overnight fast, subjects consumed test meals, 24-h urine collection was performed, and blood samples were obtained. In the 5-day loading test, a phosphorus supplement was orally administered on day 3. The association between the phosphorus content of test meals and urinary excretion, anthropometric indices, and blood biomarkers was analyzed to develop a more precise formula for estimating phosphorus intake...
March 2017: Journal of Clinical Biochemistry and Nutrition
https://www.readbyqxmd.com/read/28361944/association-study-of-reported-significant-loci-at-5q35-3-7p14-3-13q14-1-and-16p12-3-with-urolithiasis-in-chinese-han-ethnicity
#17
Lujia Wang, Chenchen Feng, Guanxiong Ding, Xiaoling Lin, Peng Gao, Haowen Jiang, Jianfeng Xu, Qiang Ding, Zhong Wu
In this study, we aimed to validate the association of 8 reported significant loci at 5q35.3, 7p14.3, 13q14.1 and 16p12.3 with urolithiasis in Chinese Han population. We performed case-control association analysis using 624 patients with nephrolithiasis and 1008 control subjects. We selected single-nucleotide polymorphism (SNPs) including rs12654812 and rs11746443 from 5q32.3; rs12669187 and rs1000597 from 7q14.3; rs7981733, rs4142110 and rs17646069 from 13q14.1 and rs4293393 from 16p12.3 which were previously reported to be associated with nephrolithiasis...
March 31, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28342973/effects-of-a-sustained-release-formulation-of-1-25-dihydroxyvitamin-d3-glycosides-for-milk-fever-prevention-on-serum-1-25-dihydroxyvitamin-d3-calcium-and-phosphorus-in-dairy-cows
#18
Heinrich Bachmann, Michael Lanz, Susanne Kehrle, Wolfgang Bittner, Annick Toggenburger, Georg A Mathis, Walter Rambeck
Milk fever (MF) is a metabolic disease in dairy cows around parturition. The clinical lead sign is muscular paresis leading in severe cases to paralysis of the affected animal. Multiparturient animals of high performing dairy breeds are most likely to be affected and have a high probability of recurrence. An acute drop in blood calcium levels causes the disease when the demand for calcium at the onset of lactation exceeds the ability to replete blood calcium levels through mobilization from bone and intestinal uptake...
March 23, 2017: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/28337622/harnessing-fertilizer-potential-of-human-urine-in-a-mesocosm-system-a-novel-test-case-for-linking-the-loop-between-sanitation-and-aquaculture
#19
Sukanta Rana, Jayanta Kumar Biswas, Jörg Rinklebe, Erik Meers, Nanthi Bolan
Human urine (HU) is a biogenic fertilizer which has raised immense interest owing to its capacity of combining sanitation and nutrient recovery. In search of an alternative organic fertilizer for fish culture, the nutrient potential of HU was evaluated. Fries of Indian carps and larvae of freshwater prawn were reared for 120 days under six conditions: (a) aerated and (b) non-aerated fresh HU (0.01%), (c) cattle manure (CM; 1.8 kg tank(-1)), mixed treatment with CM and HU under (d) iso-phosphorus and (e) iso-nitrogenous condition and (f) control...
March 23, 2017: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/28332473/correlation-analysis-of-renal-ultrasound-elastography-and-clinical-and-pathological-changes-in-patients-with-chronic-kidney-disease%C3%A2
#20
Lingyan Peng, Tingting Zhong, Qiuling Fan, Yanjun Liu, Xuemei Wang, Lining Wang
OBJECTIVE: To analyze the correlations of renal tissue elastography with clinical biochemical indicators and pathological changes in patients with chronic kidney disease (CKD) as well as to explore the potential for renal tissue elastography as a new, noninvasive method for the dynamic monitoring of renal disease progression, efficacy assessment, and prognosis evaluation. METHODS: Patients admitted to the Department of Nephrology of the First Affiliated Hospital of China Medical University from August 2014 to January 2015 who had undergone renal biopsies were selected...
March 23, 2017: Clinical Nephrology
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