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https://www.readbyqxmd.com/read/29330573/tocotrienol-supplementation-suppressed-bone-resorption-and-oxidative-stress-in-postmenopausal-osteopenic-women-a-12-week-randomized-double-blinded-placebo-controlled-trial
#1
C-L Shen, S Yang, M D Tomison, A W Romero, C K Felton, H Mo
Tocotrienols have shown bone-protective effect in animals. This study showed that a 12-week tocotrienol supplementation decreased concentrations of bone resorption biomarker and bone remodeling regulators via suppressing oxidative stress in postmenopausal osteopenic women. INTRODUCTION: Tocotrienols (TT) have been shown to benefit bone health in ovariectomized animals, a model of postmenopausal women. The purpose of this study was to evaluate the effect of 12-week TT supplementation on bone markers (serum bone-specific alkaline phosphatase (BALP), urine N-terminal telopeptide (NTX), serum soluble receptor activator of nuclear factor-kappaB ligand (sRANKL), and serum osteoprotegerin (OPG)), urine calcium, and an oxidative stress biomarker (8-hydroxy-2'-deoxyguanosine (8-OHdG)) in postmenopausal women with osteopenia...
January 12, 2018: Osteoporosis International
https://www.readbyqxmd.com/read/29319486/evaluating-factors-that-dictate-struvite-stone-composition-a-multi-institutional-clinical-experience-from-the-edge-research-consortium
#2
Ryan Kendrick Flannigan, Andrew Battison, Shubha De, Mitchell R Humphreys, Markus Bader, Ekaterina Lellig, Manoj Monga, Ben H Chew, Dirk Lange
INTRODUCTION: Struvite stones account for 15% of urinary calculi and are typically associated with urease-producing urinary tract infections and carry significant morbidity. This study aims to characterize struvite stones based on purity of stone composition, bacterial speciation, risk factors, and clinical features. METHODS: Retrospective data was collected from patients diagnosed with infection stones between 2008 and 2012. Stone analysis, perioperative urine cultures, bacterial speciation, and clinical data were collected and analyzed...
December 22, 2017: Canadian Urological Association Journal, Journal de L'Association des Urologues du Canada
https://www.readbyqxmd.com/read/29318214/urinary-calcium-excretion-and-risk-of%C3%A2-chronic-kidney-disease-in-the-general%C3%A2-population
#3
Jacob M Taylor, Lyanne M Kieneker, Martin H de Borst, Sipke T Visser, Ido P Kema, Stephan J L Bakker, Ron T Gansevoort
Introduction: High urinary calcium excretion (UCaE) has been shown to lead to accelerated renal function decline in individuals with renal tubular diseases. It is not known whether this association also exists in the general population. Therefore, we investigated whether high UCaE is associated with risk of developing chronic kidney disease (CKD) in community-dwelling subjects. Methods: Urine samples of 5491 subjects who were free of CKD at baseline and participated in the Prevention of Renal and Vascular End-Stage Disease study (a prospective, observational, general population-based cohort of Dutch men and women aged 28-75 years) were examined for UCaE...
May 2017: KI Reports
https://www.readbyqxmd.com/read/29317956/effect-of-angiotensin-converting-enzyme-inhibitor-calcium-antagonist-combination-therapy-on-renal-function-in-hypertensive-patients-with-chronic-kidney-disease-chikushi-anti-hypertension-trial-benidipine-and-perindopril
#4
Tetsu Okuda, Keisuke Okamura, Kazuyuki Shirai, Hidenori Urata
Background: Appropriate blood pressure control suppresses progression of chronic kidney disease (CKD). If an angiotensin-converting enzyme (ACE) inhibitor is ineffective, adding a calcium antagonist is recommended. We compared the long-term effect of two ACE inhibitor/calcium antagonist combinations on renal function in hypertensive patients with CKD. Methods: Patients who failed to achieve the target blood pressure (systolic/diastolic: < 130/80 mm Hg) with perindopril monotherapy were randomized to either combined therapy with perindopril and the L-type calcium antagonist amlodipine (group A) or perindopril and the T/L type calcium antagonist benidipine (group B)...
February 2018: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/29316754/-detection-of-metals-and-metalloids-in-the-lavage-fluid-of-whole-lung-lavage-of-the-cases-of-pneumoconiosis
#5
K Wen, C G Ding, G Chen, G X Ma, H Q Wang
Objective: To detect of the components and concentration of the metals and metalloids in the lavage fluid of whole-lung lavage (WLL) of the cases of pneumoconiosis, and analyze the characteristics, and explore the method to sample and process the samples of bronchoalveolar lavage fluid (BAL) . Methods: The samples of urine and serum of three cases of pneumoconiosis were collected before WLL, and the samples of BAL were collected during the WLL from the left and right lungs according to the sequence of four pressured gas flow and five negative pressure drainage...
November 20, 2017: Chinese Journal of Industrial Hygiene and Occupational Diseases
https://www.readbyqxmd.com/read/29305813/a-simultaneous-mixed-effects-pharmacokinetic-model-for-nefopam-n-desmethylnefopam-and-nefopam-n-oxide-in-human-plasma-and-urine
#6
Aravind Mittur
BACKGROUND AND OBJECTIVE: Nefopam is a non-opioid, non-steroidal, central analgesic thought to act via multiple mechanisms including potent inhibition of serotonin-norepinephrine reuptake and modulation of voltage-sensitive calcium and sodium channels. There has been a resurgence in its use for postoperative pain and neuropathic pain. Dosing route-dependent metabolism and clinical effects have been described following intravenous and oral nefopam. N-desmethylnefopam and nefopam N-oxide are metabolites of clinical interest...
January 5, 2018: European Journal of Drug Metabolism and Pharmacokinetics
https://www.readbyqxmd.com/read/29277881/quantitative-mineralogical-composition-of-calculi-and-urine-abnormalities-for-calcium-oxalate-stone-formers-a-single-center-results
#7
Andrey V Kustov, Alexander I Strelnikov
PURPOSE: The paper focuses on the relationship of risk factors and metabolic disorders with mineralogical composition of calculi, age and gender of calcium oxalate stone formers. MATERIALS AND METHODS: Stone mineralogical composition, 24 hour biochemistry and pH-profile of urine were examined for sixty four stone formers using powder X-ray diffraction, spectrophotometric and potentiometric techniques. RESULTS: The analysis indicated that 44 % of calculi were composed of pure calcium oxalate monohydrate, whereas other 56 % contained both monohydrate and dihydrate or usually their mixtures with hydroxyl apatite...
December 26, 2017: Urology Journal
https://www.readbyqxmd.com/read/29250031/new-insights-into-the-mechanism-of-action-of-soluble-klotho
#8
REVIEW
George D Dalton, Jian Xie, Sung-Wan An, Chou-Long Huang
The klotho gene encodes a type I single-pass transmembrane protein that contains a large extracellular domain, a membrane spanning segment, and a short intracellular domain. Klotho protein exists in several forms including the full-length membrane form (mKl) and a soluble circulating form [soluble klotho (sKl)]. mKl complexes with fibroblast growth factor receptors to form coreceptors for FGF23, which allows it to participate in FGF23-mediated signal transduction and regulation of phosphate and calcium homeostasis...
2017: Frontiers in Endocrinology
https://www.readbyqxmd.com/read/29242120/osteoprotective-effects-of-salidroside-in-ovariectomized-mice-and-diabetic-mice
#9
Xiang-Fan Chen, Xiao-Li Li, Min Yang, Yan Song, Yan Zhang
Salidroside, an active constituent from the root of Rhodiola rosea L., has multiple pharmacological effects, such as anti-cancer, anti-inflammatory and anti-oxidative properties, etc. However, its protective effect on bone tissue via regulating calcium homeostasis is yet to be determined. This study was performed to investigate if salidroside could protect against bone injuries induced by estrogen deficiency or hyperglycemia through modulating calcium homeostasis. Ovariectomized (OVX) mice and diabetic mice were treated with salidroside (20mg/kg) for 6 weeks...
December 11, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29234857/high-frequency-and-wide-range-of-human-kidney-papillary-crystalline-plugs
#10
Léa Huguet, Marine Le Dudal, Marine Livrozet, Dominique Bazin, Vincent Frochot, Joëlle Perez, Jean-Philippe Haymann, Isabelle Brocheriou, Michel Daudon, Emmanuel Letavernier
Most of kidney stones are supposed to originate from Randall's plaque at the tip of the papilla or from papillary tubular plugs. Nevertheless, the frequency and the composition of crystalline plugs remain only partly described. The objective was to assess the frequency, the composition and the topography of papillary plugs in human kidneys. A total of 76 papillae from 25 kidneys removed for cancer and without stones were analysed by immunohistochemistry combined with Yasue staining, field emission-scanning electron microscopy and Fourier transformed infrared micro-spectroscopy...
December 12, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29228439/beneficial-effects-of-low-level-laser-irradiation-on-senile-osteoporosis-in-rats
#11
C-T Zhu, T Li, P Zhang, M Zou, Q Guo, X-W Qu
OBJECTIVE: To investigate the effect of low-level laser irradiation (LLLI) on bone mineral density (BMD), bone structures, bone biomechanical properties and bone metabolism in senile osteoporosis, and to explore a relatively more secure and effective way to prevent and treat osteoporosis. MATERIALS AND METHODS: Sprague-Dawley (SD) male rats at different age stages (4 months old, 12 months old and 20 months old) were selected and randomly divided into six groups...
November 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29211905/effect-of-different-concentrations-of-dietary-p-and-ca-on-plasma-inorganic-p-and-urinary-p-excretion-using-noncolostomized-and-colostomized-broilers
#12
Megharaja K Manangi, Pramir Maharjan, Craig N Coon
Two 5-d bioassays were conducted to explore the P physiological threshold in broilers based on plasma inorganic P (iP), urinary P and Ca, and excreta P and Ca measurements in non-colostomized and colostomized broilers fed with different concentrations of non-phytate P (NPP) and Ca. In Experiment 1, 80 40-day-old Cobb 500 non-colostomized male broilers were assorted into 8 groups consisting of 10 broilers each and placed in individual metabolic cages. Similarly, 8 colostomized broilers of same age were allotted to 8 individual metabolic cages...
December 2, 2017: Poultry Science
https://www.readbyqxmd.com/read/29211866/association-of-urinary-citrate-with-acid-base-status-bone-resorption-and-calcium-excretion-in-older-men-and-women
#13
M Kyla Shea, Bess Dawson-Hughes
Context: Elevated urine net acid excretion (NAE), indicative of subclinical metabolic acidosis, has been associated with higher bone turnover. While NAE is the gold-standard clinical measure of acid-base status, it is impractical to measure in most clinical/research settings. Urine citrate, which is commonly measured, changes in response to acid-base status, but its association with bone turnover is uncertain. Objective: To evaluate the association between change in urine citrate and change in bone turnover and calcium excretion...
December 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/29207152/increased-soluble-st2-and-il%C3%A2-4-serum-levels-are-associated-with-disease-severity-in-patients-with-membranous-nephropathy
#14
Zhihui Zhang, Xiaolei Liu, Haifeng Wang, Zhihui Qu, Rebecca Crew, Nan Zhang, Yanfang Jiang
The interleukin (IL)‑33/suppression of tumorigenicity 2 (ST2) axis regulates Th2 reactivity, and ST2 is the receptor for IL‑33. In this study, the roles of IL‑33 and soluble ST2 (sST2) in the pathogenesis of membranous nephropathy (MN), and their association with disease severity were evaluated. Serum levels of IL‑33 and sST2 in 93 patients, and 34 healthy controls (HCs) were measured by enzyme‑linked immunosorbent assays. Clinical characteristics were recorded and the estimated glomerular filtration rates (eGFRs) were computed...
November 22, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29202723/changes-in-urinary-risk-profile-after-short-term-low-sodium-and-low-calcium-diet-in-recurrent-swiss-kidney-stone-formers
#15
Harald Seeger, Andrea Kaelin, Pietro M Ferraro, Damian Weber, Philippe Jaeger, Patrice Ambuehl, William G Robertson, Robert Unwin, Carsten A Wagner, Nilufar Mohebbi
BACKGROUND: Kidney stone disease is common in industrialized countries. Recently, it has attracted growing attention, because of its significant association with adverse renal outcomes, including end stage renal disease. Calcium-containing kidney stones are frequent with high recurrence rates. While hypercalciuria is a well-known risk factor, restricted intake of animal protein and sodium, combined with normal dietary calcium, has been shown to be more effective in stone prevention compared with a low-calcium diet...
December 4, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/29198849/oxalate-degrading-enzyme-recombined-lactic-acid-bacteria-strains-reduce-hyperoxaluria
#16
Chenming Zhao, Huan Yang, Xiaojing Zhu, Yang Li, Ning Wang, Shanfu Han, Hua Xu, Zhiqiang Chen, Zhangqun Ye
OBJECTIVE: To develop recombinant lactic acid bacteria (LAB) strains that express oxalate-degrading enzymes through biotechnology-based approach for the treatment of hyperoxaluria by oral administration. MATERIAL AND METHODS: The coding gene of oxalate decarboxylase (ODC) and oxalate oxidase (OxO) was transformed into Lactococcus lactis MG1363. The oxalate degradation ability in vitro was evaluated in media with high concentration of oxalate. Hyperoxaluria rat models through high oxalate diet were given recombinant LAB through oral administration...
November 30, 2017: Urology
https://www.readbyqxmd.com/read/29197934/effects-of-statin-treatment-with-atorvastatin-on-urolithiasis-associated-urinary-metabolic-risk-factors-an-experimental-study
#17
Mustafa Zafer Temiz, Emrah Yuruk, Kasim Ertas, Oguzhan Zengi, Atilla Semercioz
PURPOSE: To investigate whether atorvastatin has favorable effects on urinary metabolic risk factors associated with urolithiasis. METHODS: Sixteen male Sprague-Dawley rats were randomly divided into two groups, and baseline spot and 24-h urine samples were collected. Distilled water and atorvastatin were administered to rats during 4 weeks in the control and atorvastatin groups, respectively. At the end of the experimental procedure, spot and 24-h urine samples were collected again...
December 2, 2017: International Urology and Nephrology
https://www.readbyqxmd.com/read/29189886/antiurolithiatic-effect-of-the-taraxasterol-on-ethylene-glycol-induced-kidney-calculi-in-male-rats
#18
Mahboubeh Yousefi Ghale-Salimi, Maryam Eidi, Nasser Ghaemi, Ramezan Ali Khavari-Nejad
Taraxasterol is one of the important constituents of Taraxacum officinale L. (Compositae) with antioxidant potential. The present study was designed to evaluate and compare the antiurolithiatic effects of taraxasterol and potassium citrate in the ethylene glycol induced urolithiatic rat. Urolithiasis was induced by ammonium chloride and ethylene glycol in adult male rats. Taraxasterol (2, 4 and 8 mg/kg) and potassium citrate (2.5 g/kg) were treated for 33 days by gavage. Then, the animals were anesthetized and weighted and blood, urine, liver and kidney sampling were done...
November 30, 2017: Urolithiasis
https://www.readbyqxmd.com/read/29184602/-giant-lithiasis-due-to-urinary-stasis-related-to-ileo-caecal-bladder
#19
Hamza Dergamoun, Zayd El Boukili El Makhoukhi
Bladder exstrophy is a malformation characterized by subumbilical anterior abdominal wall and anterior bladder wall deishence. It affects nearly 30.000-40.000 births per year, with a higher prevalence in boys. External continent urinary diversion creates a long-term outcome. However, it is not devoid of complications. We report the case of a 30-year old female patient who had undergone cystectomy with bladder replaced with ileo-caecal segment for bladder exstrophy 13 years earlier. She was followed up for 5 years and then lost to follow up...
2017: Pan African Medical Journal
https://www.readbyqxmd.com/read/29181438/parsley-mechanism-as-antiurolithiasis-remedy
#20
Fayed Al-Yousofy, Hussein Gumaih, Hassan Ibrahim, Afrah Alasbahy
Parsley is a medicinal plant used widely in urolithiasis. The present study aimed to evaluate the antiurolithiatic effect of parsley and its mechanism. 24 rats divided into four groups: group A (negative control), group B (positive control), group C (cystone® group) and group D (parsley group). Group B were treated with EG and Ammonium chloride (AC). Group C were treated as B plus cystone® and group D was treated as B plus parsley. The period of experiment was 15 days. Urine samples were analysis on days 0 and 15 days...
2017: American Journal of Clinical and Experimental Urology
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