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https://www.readbyqxmd.com/read/28935356/repeated-measures-of-urinary-polycyclic-aromatic-hydrocarbon-metabolites-in-relation-to-altered-reproductive-hormones-a-cross-sectional-study-in-china
#1
Pan Yang, Huan Sun, Ya-Jie Gong, Yi-Xin Wang, Chong Liu, Ying-Jun Chen, Li Sun, Li-Li Huang, Song-Hua Ai, Wen-Qing Lu, Qiang Zeng
BACKGROUND: Polycyclic aromatic hydrocarbons (PAHs) are a group of ubiquitous environmental pollutants. In vivo and in vitro studies have demonstrated that PAHs can alter endocrine function, yet evidence from human studies is limited. OBJECTIVES: The objective of this study was to investigate whether environmental exposure to PAHs was associated with altered reproductive hormone levels, using repeated measures of urinary OH-PAHs as biomarkers. METHODS: We measured 10 monohydroxylated PAHs (OH-PAHs) in repeated urine samples from 371 men in an infertility clinic in Wuhan, China...
September 12, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/28926829/continuous-subcutaneous-recombinant-parathyroid-hormone-1-34-infusion-in-the-management-of-childhood-hypoparathyroidism-associated-with-malabsorption
#2
Vrinda Saraff, Anya Rothenbuhler, Wolfgang Högler, Agnès Linglart
BACKGROUND/AIMS: Hypoparathyroidism associated with malabsorption can be particularly challenging to manage due to limited and erratic intestinal absorption of calcium and vitamin D analogues, resulting in episodes of hypo- or hypercalcaemia. We evaluated the role of continuous subcutaneous recombinant parathyroid hormone (rhPTH 1-34) infusion (CSPI) in children with hypoparathyroidism associated with intestinal malabsorption resistant to conventional therapy. METHOD: Four patients (8-13 years of age), with symptomatic hypocalcaemia resistant to conventional therapy, were started on CSPI (follow-up 3-8 years) in two paediatric endocrinology units in Europe...
September 19, 2017: Hormone Research in Pædiatrics
https://www.readbyqxmd.com/read/28919622/incidence-of-diabetes-insipidus-in-postoperative-period-among-the-patients-undergoing-pituitary-tumour-surgery
#3
M L Kadir, M T Islam, M M Hossain, S Sultana, R Nasrin, M M Hossain
Post operative complications after pituitary tumour surgery vary according to procedure. There are several surgical procedures being done such as transcranial, transsphenoidal microsurgical and transsphenoidal endoscopic approaches. One of the commonest complications is diabetes insipidus (DI). Our main objective was to find out the incidence of diabetes insipidus in post operative period among patients undergoing surgical intervention for pituitary tumour in our institute. The presence of diabetes insipidus in the postoperative period was established by measuring serum Na+ concentration, hourly urine output and urinary specific gravity to find out the incidence of diabetes insipidus in postoperative period in relation to age, gender, tumour diameter, function of tumour (i...
July 2017: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/28917649/evaluation-of-novel-111-in-labeled-gonadotropin-releasing-hormone-peptides-for-human-prostate-cancer-imaging
#4
Jingli Xu, Changjian Feng, Yubin Miao
The purpose of this study was to evaluate the tumor targeting and imaging properties of novel (111)In-labeled gonadotropin-releasing hormone (GnRH) peptides for human prostate cancer. Three new 1,4,7,10-tetraazacyclododecane-1,4,7,10-tetraacetic acid (DOTA)-linker-d-Phe-(d-Lys(6)-GnRH) peptides with different hydrocarbon linkers were designed to evaluate their effects on GnRH receptor binding affinities. The Aoc (aminooctanoic acid) linker was better than βAla (3-aminopropanoic acid) and Aun (aminoundecanoic acid) linkers in retaining strong receptor binding affinity...
September 7, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/28914962/impaired-phosphate-tolerance-revealed-with-an-acute-oral-challenge
#5
Mandy E Turner, Christine A White, Wilma M Hopman, Emilie C Ward, Paul S Jeronimo, Michael A Adams, Rachel M Holden
Elevated serum phosphate is consistently linked with cardiovascular disease (CVD) events and mortality in the setting of normal and impaired kidney function. However, serum phosphate does not often exceed the upper limit of normal until glomerular filtration rate (GFR) falls below 30 mL/min/m(2) . It was hypothesized that the response to an oral, bioavailable phosphate load will unmask impaired phosphate tolerance, a maladaptation not revealed by baseline serum phosphate concentrations. In this study rats with varying kidney function as well as normo-phosphatemic human subjects, with inulin-measured GFR (13...
September 15, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28914701/elevated-postvoid-residual-urine-volume-identifying-risk-factors-and-predicting-resolution-in-women-with-pelvic-organ-prolapse
#6
Amanda Ulrich, Patricia Davis, Paul Tulikangas, David M OʼSullivan, Katie Propst
OBJECTIVES: This study aims to identify risk factors for elevated preoperative postvoid residual (PVR) and persistently elevated postoperative PVR and to evaluate the resolution rate of elevated PVR urine volume in patients undergoing reconstructive surgery for pelvic organ prolapse (POP). METHODS: This was a retrospective cohort study comparing 50 women with elevated preoperative PVR (≥100 mL) and 50 women with normal PVR (<100 mL). Preoperative demographic, physical examination, urodynamic data, type of surgery performed, and postoperative trial of void data were collected...
September 13, 2017: Female Pelvic Medicine & Reconstructive Surgery
https://www.readbyqxmd.com/read/28905746/re-a-possible-relationship-between-serum-sex-hormones-and-benign-prostatic-hyperplasia-lower-urinary-tract-symptoms-in-men-who-underwent-transurethral-prostate-resection
#7
https://www.readbyqxmd.com/read/28904297/sex-differences-in-the-excretion-levels-of-traditional-and-novel-urinary-biomarkers-of-nephrotoxicity-in-rats
#8
Satoshi Tsuji, Masayuki Sugiura, Shunsuke Tsutsumi, Hisaharu Yamada
Urinary biomarkers have been used widely in preclinical toxicity studies to detect dysfunctions and injuries of the kidney caused by drugs under development. While they have been well studied for evaluating nephrotoxicity, knowledge of sex differences in excretion levels of urinary biomarkers remains inadequate. We conducted experiments focused on effects of endogenous sex hormones on urinary biomarkers using intact and castrated male and female rats. Comparisons of the urinary biomarker excretion levels between intact male and female rats at 5, 7, 9 and 12 weeks of age revealed higher excretion levels of leucine aminopeptidase (LAP), γ-glutamyl transpeptidase (γGTP), total protein, liver-type fatty acid-binding protein (L-FABP), cystatin C (Cys-C) and β2-microglobulin (β2-MG), and lower excretion level of kidney injury molecule 1 (Kim-1), in male rats as compared to female rats...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28900379/postmenopausal-hormone-and-the-risk-of-nephrolithiasis-a-meta-analysis
#9
Juan Yu, Binyan Yin
Menopause is reported to be associated with increased urinary calcium excretion, which may enhance the risk for the development of calcium kidney stones. However, it remains controversial about whether high level of postmenopausal hormone (PMH) is a risk factor for formation of nephrolithiasis. Several observational studies have shown that PMH is protective based on 24-hour urinary parameters. Recent clinical trials provided evidence to conclude that estrogen therapy increases the risk of nephrolithiasis in healthy postmenopausal women...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28895537/definition-of-reference-ranges-for-free-t4-tsh-and-thyroglobulin-levels-in-healthy-subjects-of-the-ja%C3%A3-n-health-district
#10
Pablo Olmedo Carrillo, Piedad Santiago Fernández, Eduardo García Fuentes, Tomás Ureña Fernández, Carmen Gutiérrez Alcántara, Carolina Sánchez-Malo, Manuela Gassó Campos, María José Martínez Ramírez
BACKGROUND AND OBJECTIVES: The treatment guidelines for thyroid dysfunction recommend defining reference ranges for thyroid hormones in each area through assessment of local population data considering the iodine nutritional status. The aim of this study was to define the reference ranges of free thyroxine (FT4), TSH, and thyroglobulin levels in a general population from Jaen, an area of southern Spain with an adequate iodine nutritional status, and whether they were associated with urinary iodine levels...
October 2017: Endocrinología, diabetes y nutrición
https://www.readbyqxmd.com/read/28890943/trial-of-amiloride-in-type-2-diabetes-with-proteinuria
#11
Mark L Unruh, V Shane Pankratz, John E Demko, Evan C Ray, Rebecca P Hughey, Thomas R Kleyman
INTRODUCTION: Renal Na(+) retention and extracellular fluid volume expansion are hallmarks of nephrotic syndrome, which occurs even in the absence of activation of hormones that stimulate renal Na(+) transporters. Plasmin-dependent activation of the epithelial Na(+) channel (ENaC) has been proposed to have a role in renal Na(+) retention in the setting of nephrotic syndrome. We hypothesized that the ENaC inhibitor amiloride would be an effective therapeutic agent in inducing a natriuresis and lowering blood pressure in individuals with macroscopic proteinuria...
September 2017: KI Reports
https://www.readbyqxmd.com/read/28888814/primary-and-secondary-enuresis-pathophysiology-diagnosis-and-treatment
#12
REVIEW
Bernhard Haid, Serdar Tekgül
CONTEXT: Enuresis is a common and possibly underestimated condition. While 5-10% of school-aged children suffer from the condition, a lack of background knowledge may impede timely child-adapted and successful therapy. OBJECTIVE: To provide a comprehensive overview of the pathophysiology, diagnosis, and treatment of enuresis. EVIDENCE ACQUISITION: Guideline and position papers from the European Society of Pediatric Urology, the European Association of Urology, and the International Children's Continence Society were acquired...
September 6, 2017: European Urology Focus
https://www.readbyqxmd.com/read/28887454/the-intestinal-phosphate-transporter-napi-iib-slc34a2-is-required-to-protect-bone-during-dietary-phosphate-restriction
#13
Thomas Knöpfel, Eva M Pastor-Arroyo, Udo Schnitzbauer, Denise V Kratschmar, Alex Odermatt, Giovanni Pellegrini, Nati Hernando, Carsten A Wagner
NaPi-IIb/Slc34a2 is a Na(+)-dependent phosphate transporter that accounts for the majority of active phosphate transport into intestinal epithelial cells. Its abundance is regulated by dietary phosphate, being high during dietary phosphate restriction. Intestinal ablation of NaPi-IIb in mice leads to increased fecal excretion of phosphate, which is compensated by enhanced renal reabsorption. Here we compared the adaptation to dietary phosphate of wild type (WT) and NaPi-IIb(-/-) mice. High phosphate diet (HPD) increased fecal and urinary excretion of phosphate in both groups, though NaPi-IIb(-/-) mice still showed lower urinary excretion than WT...
September 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28886966/monitoring-training-load-and-fatigue-in-soccer-players-with-physiological-markers
#14
REVIEW
Léo Djaoui, Monoem Haddad, Karim Chamari, Alexandre Dellal
The quantification and monitoring of training load (TL) has been the topic of many scientific works in the last fifteen years. TL monitoring helps coaches to individually prescribe, follow-up, analyse, adjust and programme training sessions. In particular, the aim of the present review was to provide a critical literature report regarding different physiological markers of TL monitoring, particularly in soccer, as the load is specific to individual sports. Therefore, the interests and limitations of heart rate (HR), HR variability (HRV) and biochemical variables (blood, urinary and hormonal variations) were analysed, with a special focus on daily measures (before, during and after training) and monitoring throughout a whole season...
September 5, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28884936/dietary-cation-and-anion-difference-effects-on-milk-production-and-body-fluid-distribution-in-lactating-dairy-goats-under-tropical-conditions
#15
Thiet Nguyen, Narongsak Chaiyabutr, Somchai Chanpongsang, Sumpun Thammacharoen
This study aimed to determine the effect of dietary cation and anion difference (DCAD) on milk production and body fluid distribution in lactating dairy goats. Ten dairy goats were selected and divided into two groups, five animals each. Animals received either control DCAD (control, 22.81 mEq/100 g dry matter (DM)) or high DCAD (DCAD, 39.08 mEq/100 g DM). The results indicated that rectal temperature (Tr), respiration rate, milk yield and compositions did not differ between groups. But the percentage change of Tr from the DCAD group was lower than the control group between 09...
September 8, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28884887/impaired-antioxidant-enzyme-functions-with-increased-lipid-peroxidation-in-epithelial-ovarian-cancer
#16
Aydan Caglayan, Doruk Cevdi Katlan, Zafer Selçuk Tuncer, Kunter Yüce, Hasan Berkan Sayal, Mehmet Coşkun Salman, Belma Kocer-Gumusel
We aimed to identify the possible role of oxidant-antioxidant status in epithelial ovarian cancer (EOC) by measuring (a) antioxidant enzyme (AOE) activities [total superoxide dismutase (SODtotal ), manganese-SOD (Mn-SOD), copper,zinc-SOD (Cu,Zn-SOD), catalase (CAT) and glutathione peroxidase (GPx1)], (b) Mn-SOD protein expression, (c) lipid peroxidation markers [malondialdehyde (MDA), 8-epi-prostaglandin-F2α (8-epi-PGF2α)] and by evaluating the possible correlations between tumor biomarkers, reproductive hormone levels and all measured parameters, comprehensively...
September 8, 2017: IUBMB Life
https://www.readbyqxmd.com/read/28884741/-the-nephroprotective-potential-of-peloid-therapy-used-for-the-rehabilitation-of-the-patients-presenting-with-chronic-pyelonephritis
#17
E I Slobodian, N N Kaladze, A L Govdaliuk, E I Kulik
This review article presents the data on the mechanism of action of peloid therapy from the perspective of its defibrosing effect, the structure and functions of the extracellular matrix under the normal and pathological conditions. In addition, role of this treatment modality in the progression of tubulointerstitial fibrosis which determines the severity and prognosis of chronic pyelonephritis is considered. The researchers are currently carry out the extensive studies aimed at the search of the methods for the primary and secondary prevention of chronic pyelonephritis...
2017: Voprosy Kurortologii, Fizioterapii, i Lechebnoĭ Fizicheskoĭ Kultury
https://www.readbyqxmd.com/read/28882112/identification-of-adenylyl-cyclase-isoforms-mediating-parathyroid-hormone-and-calcitonin-stimulated-cyclic-amp-accumulation-in-distal-tubule-cells
#18
Wararat Kittikulsuth, Peter A Friedman, Alfred van Hoek, Yang Gao, Donald E Kohan
BACKGROUND: The distal convoluted tubule (DCT) is an important nephron site for parathyroid hormone (PTH) and calcitonin regulation of urinary divalent cation excretion. These hormones exert their effects on the DCT in substantial part through activation of adenylyl cyclase (AC); however, it is unknown which AC isoforms are involved. METHODS: To examine this, two mouse DCT cell lines were studied: 209 and D1 cells. AC isoform mRNA expression was analyzed by real-time PCR...
September 7, 2017: BMC Nephrology
https://www.readbyqxmd.com/read/28870207/effects-of-trilostane-on-urinary-catecholamines-and-their-metabolites-in-dogs-with-hypercortisolism
#19
Nadja Sieber-Ruckstuhl, Elena Salesov, Saskia Quante, Barbara Riond, Katharina Rentsch, Regina Hofmann-Lehmann, Claudia Reusch, Felicitas Boretti
BACKGROUND: Glucocorticoids influence the synthesis and metabolism of catecholamines (epinephrine and norepinephrine) and metanephrines (metanephrine and normetanephrine). The aim of this study was to measure urinary catecholamines and metanephrines in dogs with hypercortisolism before and during trilostane therapy. Urine samples were collected during initial work up and during therapy with trilostane in 14 dogs with hypercortisolism and in 25 healthy dogs. Epinephrine, norepinephrine, metanephrine and normetanephrine were measured using high-pressure liquid chromatography and expressed as ratios to urinary creatinine concentration...
September 4, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28869171/-physiological-hydronephrosis-in-pregnancy-occurrence-and-possible-causes-an-mri-study
#20
J Grosjean, M Cannie, J-M de Meyer
INTRODUCTION: The etiology of the uretero-hydronephrosis in pregnancy is just hypothesis: hormonal or mechanical hypothesis, only investigated by echographic studies. MRI permits to visualize the entirety of the urinary tract, which can be helpful to find out a mechanical cause. METHODOLOGY: We have analysed the MRI of 100 asymptomatic pregnant women. We have determined the number and locations of the uretero-hydronephroses and researched whether there is any relationship between the uretero-hydronephrosis and certain abdominal structures...
August 28, 2017: Progrès en Urologie
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