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https://www.readbyqxmd.com/read/28921626/relationship-between-urinary-sodium-to-potassium-ratio-and-ambulatory-blood-pressure-in-patients-with-diabetes-mellitus
#1
Renata Libianto, John Moran, Christopher O'Callaghan, Sara Baqar, Angela X Chen, Scott T Baker, Michelle Clarke, Richard J Macisaac, George Jerums, Elif I Ekinci
Previous studies investigating the relationship between sodium intake and blood pressure have mostly relied on dietary recall and clinic blood pressure measurement. In this cross-sectional study, we aimed to investigate the relationship between 24h urinary sodium and potassium excretion, and their ratio, with 24h ambulatory blood pressure parameters including nocturnal blood pressure dipping in patients with type 1 and 2 diabetes. We report that in 116 patients with diabetes, systolic blood pressure was significantly predicted by the time of day, age, the interaction between dipping status with time, and 24h urinary sodium-to-potassium ratio (R(2) =0...
September 16, 2017: Clinical and Experimental Pharmacology & Physiology
https://www.readbyqxmd.com/read/28919061/efficacy-and-safety-of-dapagliflozin-in-patients-with-inadequately-controlled-type-1-diabetes-depict-1-24-week-results-from-a-multicentre-double-blind-phase-3-randomised-controlled-trial
#2
Paresh Dandona, Chantal Mathieu, Moshe Phillip, Lars Hansen, Steven C Griffen, Diethelm Tschöpe, Fredrik Thorén, John Xu, Anna Maria Langkilde
BACKGROUND: Dapagliflozin is a sodium-glucose cotransporter-2 inhibitor approved for the treatment of type 2 diabetes. We aimed to assess the efficacy and safety of dapagliflozin as an add-on to adjustable insulin in patients with inadequately controlled type 1 diabetes. METHODS: DEPICT-1 was a double-blind, randomised, parallel-controlled, three-arm, phase 3, multicentre study done at 143 sites in 17 countries. Eligible patients were aged 18-75 years and had inadequately controlled type 1 diabetes (HbA1c between ≥7·7% and ≤11·0% [≥61·0 mmol/mol and ≤97·0 mmol/mol]) and had been prescribed insulin for at least 12 months before enrolment...
September 13, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28915419/sensitivity-improvement-of-the-lc-ms-ms-quantification-of-carbidopa-in-human-plasma-and-urine-by-derivatization-with-2-4-pentanedione
#3
Nico C van de Merbel, Kees J Bronsema, Steven H Gorman, Ray Bakhtiar
The reliable quantification of carbidopa in biological samples at low concentrations is challenging because of the polar and highly unstable nature of the compound. In this paper, LC-MS/MS methods are described for the determination of carbidopa in 50μL of human plasma and 25μL of human urine in the concentration ranges 1-1,000ng/mL and 100-50,000ng/mL, respectively. After a simple protein precipitation (plasma) or dilution (urine) step, carbidopa is derivatized at its hydrazine moiety by reaction for one hour with 2,4-pentanedione under acidic conditions and at 40°C...
September 8, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28912902/effects-of-dapagliflozin-on-body-composition-and-liver-tests-in-patients-with-nonalcoholic-steatohepatitis-associated-with-type-2-diabetes-mellitus-a-prospective-open-label-uncontrolled-study
#4
Hiroshi Tobita, Shuichi Sato, Tatsuya Miyake, Shunji Ishihara, Yoshikazu Kinoshita
BACKGROUND: Nonalcoholic steatohepatitis (NASH) is an active form of nonalcoholic fatty liver disease. Risk factors for NASH include type 2 diabetes mellitus (T2DM) and obesity. Sodium-glucose cotransporter 2 (SGLT2) inhibitors used to treat T2DM prevent glucose reabsorption in the kidney and increase glucose urinary excretion. Dapagliflozin is a potent, selective SGLT2 inhibitor that reduces hyperglycemia in patients with T2DM and has been demonstrated to reduce some complications associated with NASH in rodent models...
2017: Current Therapeutic Research, Clinical and Experimental
https://www.readbyqxmd.com/read/28912346/the-blood-pressure-lowering-effect-of-20-hete-blockade-in-cyp4a14-mice-is-associated-with-natriuresis
#5
Varunkumar Pandey, Victor Garcia, Ankit Gilani, Priyanka Mishra, Frank Fan Zhang, Mahesh P Paudyal, John R Falck, Alberto Nasjletti, Wen-Hui Wang, Michal L Schwartzman
20-Hydroxy-5,8,11,14-eicosatetraenoic acid (20-HETE) has been linked to pro- and anti-hypertensive actions through its ability to promote vasoconstriction and inhibit Na transport in the ascending limb of the loop of Henle, respectively. In this study, we assessed the effects of 20-HETE blockade on blood pressure, renal hemodynamics and urinary sodium excretion in Cyp4a14(-/-) male mice, which display androgen-driven 20-HETE-dependent hypertension. Administration of 20-SOLA, a water-soluble 20-HETE antagonist, in the drinking water normalized blood pressure of male Cyp4a14(-/-) hypertensive mice (124± vs 153± mmHg) while having no effect on age-matched normotensive wild-type male mice...
September 14, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/28904363/calcitriol-reduces-kidney-development-disorders-in-rats-provoked-by-losartan-administration-during-lactation
#6
Lucas Ferreira de Almeida, Heloísa Della Coletta Francescato, Cleonice Giovanini Alves da Silva, Roberto Silva Costa, Terezila Machado Coimbra
Calcitriol has important effects on cellular differentiation and proliferation, as well as on the regulation of the renin gene. Disturbances in renal development can be observed in rats exposed to angiotensin II (AngII) antagonists during lactation period. The lack of tubular differentiation in losartan-treated rats can affect calcitriol uptake. This study evaluated the effect of calcitriol administration in renal development disturbances in rats provoked by losartan (AngII type 1 receptor antagonist) administration during lactation...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28904068/empagliflozin-and-clinical-outcomes-in-patients-with-type-2-diabetes-established-cardiovascular-disease-and-chronic-kidney-disease
#7
Christoph Wanner, John M Lachin, Silvio E Inzucchi, David Fitchett, Michaela Mattheus, Jyothis T George, Hans-Juergen Woerle, Uli C Broedl, Maximilian von Eynatten, Bernard Zinman
Background -Empagliflozin, a sodium glucose cotransporter 2 inhibitor, reduced cardiovascular morbidity and mortality in patients with type 2 diabetes and established cardiovascular disease in the EMPA-REG OUTCOME(®) trial. Urinary glucose excretion with empagliflozin decreases with declining renal function, resulting in less potency for glucose lowering in patients with kidney disease. We investigated the effects of empagliflozin on clinical outcomes in patients with type 2 diabetes, established cardiovascular disease and chronic kidney disease...
September 13, 2017: Circulation
https://www.readbyqxmd.com/read/28901333/a-paleolithic-type-diet-results-in-iodine-deficiency-a-2-year-randomized-trial-in-postmenopausal-obese-women
#8
S Manousou, M Stål, C Larsson, C Mellberg, B Lindahl, R Eggertsen, L Hulthén, T Olsson, M Ryberg, S Sandberg, H F Nyström
BACKGROUND/OBJECTIVES: Different diets are used for weight loss. A Paleolithic-type diet (PD) has beneficial metabolic effects, but two of the largest iodine sources, table salt and dairy products, are excluded. The objectives of this study were to compare 24-h urinary iodine concentration (24-UIC) in subjects on PD with 24-UIC in subjects on a diet according to the Nordic Nutrition Recommendations (NNR) and to study if PD results in a higher risk of developing iodine deficiency (ID), than NNR diet...
September 13, 2017: European Journal of Clinical Nutrition
https://www.readbyqxmd.com/read/28899893/acute-in-vivo-analysis-of-atp-release-in-rat-kidneys-in-response-to-changes-of-renal-perfusion-pressure
#9
Oleg Palygin, Louise C Evans, Allen W Cowley, Alexander Staruschenko
BACKGROUND: ATP and derivatives are recognized to be essential agents of paracrine signaling. It was reported that ATP is an important regulator of the pressure-natriuresis mechanism. Information on the sources of ATP, the mechanisms of its release, and its relationship to blood pressure has been limited by the inability to precisely measure dynamic changes in intrarenal ATP levels in vivo. METHODS AND RESULTS: Newly developed amperometric biosensors were used to assess alterations in cortical ATP concentrations in response to changes in renal perfusion pressure (RPP) in anesthetized Sprague-Dawley rats...
September 12, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/28889932/small-vessel-disease-and-dietary-salt-intake-cross-sectional-study-and-systematic-review
#10
Stephen D J Makin, Ghaida F Mubki, Fergus N Doubal, Kirsten Shuler, Julie Staals, Martin S Dennis, Joanna M Wardlaw
BACKGROUND: Higher dietary salt intake increases the risk of stroke and may increase white matter hyperintensity (WMH) volume. We hypothesized that a long-term higher salt intake may be associated with other features of small vessel disease (SVD). METHODS: We recruited consecutive patients with mild stroke presenting to the Lothian regional stroke service. We performed brain magnetic resonance imaging, obtained a basic dietary salt history, and measured the urinary sodium/creatinine ratio...
September 7, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28888328/a-population-based-approach-to-assess-the-heritability-and-distribution-of-renal-handling-of-electrolytes
#11
Flore Moulin, Belen Ponte, Menno Pruijm, Daniel Ackermann, Yassine Bouatou, Idris Guessous, Georg Ehret, Olivier Bonny, Antoinette Pechère-Bertschi, Jan A Staessen, Fred Paccaud, Pierre-Yves Martin, Michel Burnier, Bruno Vogt, Olivier Devuyst, Murielle Bochud
The handling of electrolytes by the kidney is essential for homeostasis. However, the heritability of these processes, the first step in gene discovery, is poorly known. To help clarify this, we estimated the heritability of serum concentration, urinary excretion, renal clearance, and fractional excretion of sodium, potassium, magnesium, calcium, phosphate, and chloride in a population-based study. Nuclear families were randomly selected from the general population in Lausanne, Geneva, and Bern, Switzerland, and urine collected over 24-hour periods...
September 6, 2017: Kidney International
https://www.readbyqxmd.com/read/28882031/a-multiregional-italian-cohort-of-24-hour-urine-metabolic-evaluation-in-renal-stone-formers
#12
Francesco Esperto, Martino Marangella, Alberto Trinchieri, Michele Petrarulo, Roberto Miano
BACKGROUND: Nephrolithiasis is a common condition with several studies documenting an increased prevalence over the past four decades. EAU and AUA guidelines recommend 24-hour urine metabolic evaluation in high-risk stone formers. Aim of this study is to retrospectively evaluate the first three years of experience with Lithotest® (Biohealth Italia Srl, Turin, Italy) through the analysis of demographic, clinical and biochemical data collected from a large cohort of patients with kidney stones...
September 7, 2017: Minerva Urologica e Nefrologica, the Italian Journal of Urology and Nephrology
https://www.readbyqxmd.com/read/28881573/histopathological-findings-of-renal-tissue-induced-by-oxidative-stress-due-to-different-concentrations-of-fluoride
#13
Qin Luo, Hengmin Cui, Huidan Deng, Ping Kuang, Huan Liu, Yujiao Lu, Jing Fang, Zhicai Zuo, Junliang Deng, Yinglun Li, Xun Wang, Ling Zhao
It has been reported that excessive intake of fluoride can induce renal lesions. However, its pathogenesis is still less understood. Therefore, this study was conducted to investigate oxidative damage and the relationships between the oxidative damage and renal lesions in fluoride-treated mice by using the methods of histopathology, biochemistry, flow cytometry and quantitative real-time polymerase chain reaction (qRT-PCR). A total of 240 ICR mice were randomly divided into four equal groups (sodium fluoride was given orally at the dose of 0, 12, 24 and 48 mg/kg body weight for 42 days, respectively)...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28877244/the-role-of-dietary-sodium-intake-on-the-modulation-of-t-helper-17-cells-and-regulatory-t-cells-in-patients-with-rheumatoid-arthritis-and-systemic-lupus-erythematosus
#14
Rossana Scrivo, Laura Massaro, Cristiana Barbati, Marta Vomero, Fulvia Ceccarelli, Francesca Romana Spinelli, Valeria Riccieri, Alessandra Spagnoli, Cristiano Alessandri, Giovambattista Desideri, Fabrizio Conti, Guido Valesini
We aimed at investigating whether the frequency and function of T helper 17 (Th17) and regulatory T cells (Treg) are affected by a restriction of dietary sodium intake in patients with rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE). We enrolled RA and SLE patients not receiving drugs known to increase urinary sodium excretion. Patients underwent a dietary regimen starting with a restricted daily sodium intake followed by a normal-sodium daily intake. The timepoints were identified at baseline (T0), after 3 weeks of low-sodium dietary regimen (T3), after 2 weeks of normal-sodium dietary regimen (T5)...
2017: PloS One
https://www.readbyqxmd.com/read/28875008/renal-hemosiderosis-among-iranian-transfusion-dependent-%C3%AE-thalassemia-major-patients
#15
Mozhgan Hashemieh, Mitra Radfar, Azita Azarkeivan, Seyed Mohammad Taghi Hosseini Tabatabaei, Sedigheh Nikbakht, Mehdi Yaseri, Kourosh Sheibani
Background: In recent years, the success in management of thalassemic patients, has allowed for some previously unrecognized complications including renal abnormalities to emerge. This prospective study aimed to investigate kidney iron overload by means of MRI T2* and also renal function based on laboratory tests for early markers of glomerular and tubular dysfunction among adult Iranian transfusion-dependent thalassemia major patients. Subjects and Methods: Two-hundred and two patients with transfusion-dependent β-thalassemia major were included in this study in Zafar Adult Thalassemia Center, Tehran, Iran...
April 1, 2017: International Journal of Hematology-oncology and Stem Cell Research
https://www.readbyqxmd.com/read/28867396/the-healthy-hearts-and-kidneys-hhk-study-design-of-a-2%C3%A3-2-rct-of-technology-supported-self-monitoring-and-social-cognitive-theory-based-counseling-to-engage-overweight-people-with-diabetes-and-chronic-kidney-disease-in-multiple-lifestyle-changes
#16
Mary Ann Sevick, Kathleen Woolf, Aditya Mattoo, Stuart D Katz, Huilin Li, David E St-Jules, Ram Jagannathan, Lu Hu, Mary Lou Pompeii, Lisa Ganguzza, Zhi Li, Alex Sierra, Stephen K Williams, David S Goldfarb
Patients with complex chronic diseases usually must make multiple lifestyle changes to limit and manage their conditions. Numerous studies have shown that education alone is insufficient for engaging people in lifestyle behavior change, and that theory-based behavioral approaches also are necessary. However, even the most motivated individual may have difficulty with making lifestyle changes because of the information complexity associated with multiple behavior changes. The goal of the current Healthy Hearts and Kidneys study was to evaluate, different mobile health (mHealth)-delivered intervention approaches for engaging individuals with type 2 diabetes (T2D) and concurrent chronic kidney disease (CKD) in behavior changes...
August 31, 2017: Contemporary Clinical Trials
https://www.readbyqxmd.com/read/28864689/stepped-wedge-cluster-randomised-controlled-trial-to-assess-the-cardiovascular-health-effects-of-a-managed-aquifer-recharge-initiative-to-reduce-drinking-water-salinity-in-southwest-coastal-bangladesh-study-design-and-rationale
#17
Abu Mohd Naser, Leanne Unicomb, Solaiman Doza, Kazi Matin Ahmed, Mahbubur Rahman, Mohammad Nasir Uddin, Shamshad B Quraishi, Shahjada Selim, Mohammad Shamsudduha, William Burgess, Howard H Chang, Matthew O Gribble, Thomas F Clasen, Stephen P Luby
INTRODUCTION: Saltwater intrusion and salinisation have contributed to drinking water scarcity in many coastal regions globally, leading to dependence on alternative sources for water supply. In southwest coastal Bangladesh, communities have few options but to drink brackish groundwater which has been associated with high blood pressure among the adult population, and pre-eclampsia and gestational hypertension among pregnant women. Managed aquifer recharge (MAR), the purposeful recharge of surface water or rainwater to aquifers to bring hydrological equilibrium, is a potential solution for salinity problem in southwest coastal Bangladesh by creating a freshwater lens within the brackish aquifer...
September 1, 2017: BMJ Open
https://www.readbyqxmd.com/read/28861952/use-of-sodium-glucose-cotransporter%C3%A2-2-inhibitors-in-older-patients-with-type%C3%A2-2-diabetes-mellitus
#18
Takahiro Kambara, Rei Shibata, Hiroyuki Osanai, Yoshihito Nakashima, Hiroshi Asano, Kazuyoshi Sakai, Toyoaki Murohara, Masayoshi Ajioka
AIM: Sodium-glucose cotransporter 2 (SGLT2) inhibitors are antidiabetic agents that act on the proximal renal tubules to lower blood glucose levels by inhibiting glucose reabsorption and promoting urinary glucose excretion. The present study assessed the long-term use of SGLT2 inhibitors in older patients with diabetes. METHODS: A total of 117 older patients with type 2 diabetes who were given SGLT2 inhibitors were enrolled from April 2014 to March 2016. RESULTS: The mean age of the patients was 73...
September 1, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28858751/quantification-of-menadione-from-plasma-and-urine-by-a-novel-cysteamine-derivatization-based-uplc-ms-ms-method
#19
Teng-Fei Yuan, Shao-Ting Wang, Yan Li
Menadione, as the crucial component of vitamin Ks, possessed significant nutritional and clinical values. However, there was still lack of favourable quantification strategies for it to date. For improvement, a novel cysteamine derivatization based UPLC-MS/MS method was presented in this work. The derivatizating reaction was proved non-toxic, easy-handling and high-efficient, which realized the MS detection of menadione under positive mode. Benefitting from the excellent sensitivity of the derivatizating product as well as the introduction of the stable isotope dilution technique, the quantification could be achieved in the range of 0...
August 24, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28857461/ly3127760-a-selective-prostaglandin-e4-ep4-receptor-antagonist-and-celecoxib-a-comparison-of-pharmacological-profiles
#20
Yan Jin, Claire Smith, Leijun Hu, David E Coutant, Kelly Whitehurst, Krista Phipps, Terry Ann McNearney, Xiao Yang, Bradley Ackermann, Thomas Pottanat, William Landschulz
Safety, tolerability, and pharmacology profiles of LY3127760, an EP4 antagonist, were explored in healthy subjects in a subject/investigator-blind, parallel-group, multiple-ascending dose study. Cohorts consisted of 13 patients randomized to LY3127760, celecoxib (400 mg), or placebo (9:2:2 ratio) for 28 days. LY3127760 was well tolerated; the most commonly observed adverse events were gastrointestinal, similar to celecoxib. LY3127760 increased release of ex vivo tumor necrosis factor alpha after lipopolysaccharide/prostaglandin E2 stimulation when compared with placebo, suggesting a dose-dependent blockade of the EP4 receptor...
August 30, 2017: Clinical and Translational Science
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