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https://www.readbyqxmd.com/read/28728874/profile-of-chronic-kidney-disease-related-mineral-bone-disorders-in-newly-diagnosed-advanced-predialysis-diabetic-kidney-disease-patients-a-hospital-based-cross-sectional-study
#1
S Ray, A M Beatrice, A Ghosh, S Pramanik, R Bhattacharjee, S Ghosh, A Raychaudhury, S Mukhopadhyay, S Chowdhury
AIM: Chronic kidney disease related-mineral bone disorder (CKD-MBD) has been poorly studied in pre-dialysis Indian CKD population. There are limited data on the pattern of these disturbances in diabetic CKD patients. Therefore, a study was conducted to find out the profile of mineral bone disorders in T2DM patients with pre-dialysis CKD. METHODS: In this cross-sectional design, diabetic patients with newly-diagnosed stage 4 and 5 CKD were evaluated. Serum levels of calcium, phosphorus, intact parathyroid hormone (iPTH), 25 hydroxy vitamin D and total alkaline phosphatase (ALP) were measured in all patients...
July 8, 2017: Diabetes & Metabolic Syndrome
https://www.readbyqxmd.com/read/28690207/hypophosphatemia-after-hepatectomy-or-pancreatectomy-role-of-the-nicotinamide-phosphoribosyltransferase
#2
Jian Zheng, Ilya G Glezerman, Eran Sadot, Anjuli McNeil, Cristina Zarama, Mithat Gönen, John Creasy, Linda M Pak, Vinod P Balachandran, Michael I D'Angelica, Peter J Allen, Ronald P DeMatteo, T Peter Kingham, William R Jarnagin, Edgar A Jaimes
BACKGROUND: Postoperative hypophosphatemia is common and is associated with a lower risk of liver failure after hepatectomy but higher morbidity after pancreatectomy. Whether different physiologic mechanisms underlie the hypophosphatemia associated with these very different clinical outcomes is unclear. This study aims to evaluate the underlying mechanism in postoperative hypophosphatemia. STUDY DESIGNS: We prospectively enrolled 120 patients who underwent major hepatectomy (n=30), minor hepatectomy (n=30), pancreatectomy (n=30), and laparotomy without resection (control group, n=30)...
July 6, 2017: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/28683234/long-term-bone-health-after-roux-en-y-gastric-bypass-a-pilot-study
#3
Fiona Jackson Cook, Ila Khanna, Jennifer Giordano, Laura Matarese, Suzanne Hudson
OBJECTIVE: This cross sectional study was undertaken to assess metabolic bone disease by examining bone mineral density (BMD), fracture prevalence, and nutritional factors pertinent to bone in a cohort >9 years post Roux-en-Y gastric bypass (RYGB). METHODS: Fifty one subjects 9.4-36.0 years (mean 17.0 +8.1) post RYGB provided a focused history. Dietary calcium and protein were assessed. Dual energy X ray absorptiometry (DXA) BMD at the spine, hip, and radius and routine serum chemistries, magnesium, phosphorus, parathyroid hormone, vitamin D, vitamin K, and micronutrients were analyzed...
July 6, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28679474/a-comparison-of-micro-perc-and-retrograde-intrarenal-surgery-results-in-pediatric-patients-with-renal-stones
#4
Haluk Sen, Ilker Seckiner, Omer Bayrak, Kazim Dogan, Sakip Erturhan
INTRODUCTION: With advancements in endoscopic surgery, open surgical techniques for urinary system stones have paved the way for the application of less invasive treatment modalities in patients with pediatric kidney stone disease. These treatment options include extracorporeal shock wave lithotripsy (ESWL), percutaneous nephrolithotomy (PCNL), and retrograde intrarenal surgery (RIRS). OBJECTIVE: We aimed to compare the efficacy and safety of RIRS and micro-PCNL techniques in the surgical treatment of kidney stones in pediatric patients...
June 19, 2017: Journal of Pediatric Urology
https://www.readbyqxmd.com/read/28679143/varying-patterns-of-biomarkers-of-mineral-and-bone-metabolism-after-kidney-transplantation
#5
Agnieszka Makówka, Maciej Głyda, Ewa-Rutkowska Majewska, Michał Nowicki
Sclerostin inhibits Wnt/β-catenin signaling pathway, thereby decreasing bone formation. Osteoblast stimulating actions of parathyroid hormone (PTH) are mediated by suppression of sclerostin. Thus, sclerostin may reflect both bone metabolism and parathyroid function. The study was aimed to analyze the patterns of the changes of mineral and bone biomarkers for 9 months following kidney transplantation (KTx). Thirty-five patients after KTx were included into a 9-month observational study. Serum creatinine, calcium, phosphorus, 25-OH vitamin D, PTH, fibroblast growth factor 23 (FGF-23), sclerostin, and bone-specific alkaline phosphatase (BAP) were measured before KTx, and 1, 2 weeks, and 1, 2, 3, 4, 5, 6, and 9 months thereafter...
July 5, 2017: Hormone and Metabolic Research, Hormon- und Stoffwechselforschung, Hormones et Métabolisme
https://www.readbyqxmd.com/read/28667925/serum-fibroblast-growth-factor-23-concentrations-in-dogs-with-chronic-kidney-disease
#6
Keren E Dittmer, Kalyani C Perera, Peter A Elder
The aim of this study was to determine if serum fibroblast growth factor (FGF23) concentrations were increased in dogs with chronic kidney disease (CKD). Serum samples submitted to a commercial laboratory were collected over a 15-month period, 14 samples were from dogs with a history of polyuria/polydipsia, azotaemia and low urine specific gravity, 20 samples were from non-azotaemic dogs. Serum FGF23, parathyroid hormone, total calcium and phosphorus, urea and creatinine were measured. Mann-Whitney test was used to determine differences between non-azotaemic and CKD groups; a one-way ANOVA with Tukey pairwise comparisons was used to determine any differences between International Renal Interest Society stages; and regression models were used to determine predictors of International Renal Interest Society stage, serum phosphorus and FGF23 concentrations...
June 23, 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28660848/effects-of-rapeseed-meal-fiber-content-on-phosphorus-and-calcium-digestibility-in-growing-pigs-fed-diets-without-or-with-microbial-phytase
#7
M Bournazel, M Lessire, M J Duclos, M Magnin, N Même, C Peyronnet, E Recoules, A Quinsac, E Labussière, A Narcy
The optimization of dietary phosphorus (P) and calcium (Ca) supply requires a better understanding of the effect of dietary fiber content of co-products on the digestive utilization of minerals. This study was designed to evaluate the effects of dietary fiber content from 00-rapeseed meal (RSM) on P and Ca digestibility throughout the gastrointestinal tract in growing pigs fed diets without or with microbial phytase. In total, 48 castrated male pigs (initial BW=36.1±0.4 kg) were housed in metabolic crates for 29 days...
June 29, 2017: Animal: An International Journal of Animal Bioscience
https://www.readbyqxmd.com/read/28645705/acid-load-and-phosphorus-homeostasis-in-ckd
#8
Pascale Khairallah, Tamara Isakova, John Asplin, Lee Hamm, Mirela Dobre, Mahboob Rahman, Kumar Sharma, Mary Leonard, Edgar Miller, Bernard Jaar, Carolyn Brecklin, Wei Yang, Xue Wang, Harold Feldman, Myles Wolf, Julia J Scialla
BACKGROUND: The kidneys maintain acid-base homeostasis through excretion of acid as either ammonium or as titratable acids that primarily use phosphate as a buffer. In chronic kidney disease (CKD), ammoniagenesis is impaired, promoting metabolic acidosis. Metabolic acidosis stimulates phosphaturic hormones, parathyroid hormone (PTH) and fibroblast growth factor 23 (FGF-23) in vitro, possibly to increase urine titratable acid buffers, but this has not been confirmed in humans. We hypothesized that higher acid load and acidosis would associate with altered phosphorus homeostasis, including higher urinary phosphorus excretion and serum PTH and FGF-23...
June 21, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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