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https://www.readbyqxmd.com/read/29150589/change-in-hydration-indices-associated-with-an-increase-in-total-water-intake-of-more-than-0-5%C3%A2-l-day-sustained-over-4%C3%A2-weeks-in-healthy-young-men-with-initial-total-water-intake-below-2%C3%A2-l-day
#1
Jodi D Stookey, Janice Hamer, David W Killilea
This secondary data analysis addressed gaps in knowledge about effects of chronic water intake. Longitudinal data from the Adapt Study were used to describe effects of prescribing a sustained increase in water intake relative to baseline, for 4 weeks, on multiple indices of total body water (TBW) flux, regulation, distribution, and volume in five healthy, free-living, young men, with mean total water intake initially below 2 L/day. Indices were measured weekly. Within-person fixed effect models tested for significant changes in indices over time and associations between changes in indices...
November 2017: Physiological Reports
https://www.readbyqxmd.com/read/29148979/role-of-caftaric-acid-in-lead-associated-nephrotoxicity-in-rats-via-antidiuretic-antioxidant-and-anti-apoptotic-activities
#2
Khaled M M Koriem, Mahmoud S Arbid
Background Lead is a toxic metal that is widely distributed in the environment where caftaric acid (CA) is the ester form of caffeic acid where CA is the major dietary polyphenol present in various foods and beverages. The aim of this study was to evaluate the effect of CA in lead acetate (LA)-associated nephrotoxicity through antidiuretic, antioxidant and anti-apoptotic activities. Methods Forty-eight male albino rats divided into six equal groups; group 1 control injected intraperitoneally (ip) with saline (1 mL/kg of bw) over two weeks period, group 2 injected ip with CA (80 mg/kg of bw) over two weeks period, groups 3, 4, 5 and 6 injected ip with 100 μmol/kg of bw LA over two weeks period where groups 4, 5 & 6 co-injected ip with 1-deamino-8-D-arginine vasopressin (dDAVP) drug (1 mg/kg of bw), CA (40 mg/kg of bw), and CA (80 mg/kg of bw), respectively...
November 17, 2017: Journal of Complementary & Integrative Medicine
https://www.readbyqxmd.com/read/29146141/the-myth-of-water-and-salt-from-aquaretics-to-tenapanor
#3
REVIEW
Luca Visconti, Valeria Cernaro, Sebastiano Calimeri, Antonio Lacquaniti, Francesca De Gregorio, Carlo Alberto Ricciardi, Viviana Lacava, Domenico Santoro, Michele Buemi
The impact of water intake has been studied in several renal diseases. For example, increasing water intake is useful to prevent primary and secondary nephrolithiasis. In autosomal dominant polycystic kidney disease, arginine vasopressin (AVP) is involved in the progression of the disease, and water intake could play a therapeutic role by inhibiting the synthesis of AVP, but its efficacy is still controversial. Conversely, the use of aquaretics, which are antagonists of AVP V2 receptors, results in the reduction of the increase rate of total kidney volume with a slower decline of glomerular filtration rate...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29146137/the-impact-of-additives-on-the-phosphorus-potassium-and-sodium-content-of-commonly-consumed-meat-poultry-and-fish-products-among-patients-with-chronic-kidney-disease
#4
Arti Sharma Parpia, Mary L'Abbé, Marc Goldstein, Joanne Arcand, Bernadene Magnuson, Pauline Darling
OBJECTIVE: Patients with chronic kidney disease (CKD) are advised to limit their dietary intake of phosphorus and potassium as hyperphosphatemia and hyperkalemia are both associated with an increased risk of mortality. There is uncertainty concerning the actual content of these minerals in the Canadian food supply, as phosphorus and potassium are increasingly being used as food additives. This study aimed to determine the impact of food additives on the chemically analyzed content of phosphorus, potassium, sodium, and protein in commonly consumed meat, poultry, and fish products (MPFs)...
November 14, 2017: Journal of Renal Nutrition
https://www.readbyqxmd.com/read/29142438/molecular-simulation-based-combinatorial-modeling-and-antioxidant-activities-of-zingiberaceae-family-rhizomes
#5
Talambedu Usha, Sushen Pradhan, Arvind Kumar Goyal, Shanmugarajan Dhivya, H P Prashanth Kumar, Manoj Kumar Singh, Neelu Joshi, Bharat Chandra Basistha, K R Siddalinga Murthy, Saravanakumar Selvaraj, Sushil Kumar Middha
Objective: The main aim of this scientific report was to investigate a series of phytochemicals in silico and the pharmacology of four plants found at higher altitude in the ginger family, Zingiberaceae (incl. Costaceae) from North-East India, particularly Sikkim. First, the goal was to determine the biological activities of the four herbs (used under Zingiberaceae family) using antioxidant assays to identify the best species. Second, previously reported compounds in litero were subsequently screened for their anticancerous activities using in silico methods...
October 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/29142205/coupling-of-emergent-octahedral-rotations-to-polarization-in-k-na-nbo3-ferroelectrics
#6
I Levin, V Krayzman, G Cibin, M G Tucker, M Eremenko, K Chapman, R L Paul
Perovskite potassium sodium niobates, K1-xNaxNbO3, are promising lead-free piezoelectrics. Their dielectric and piezoelectric characteristics peak near x = 0.5, but the reasons for such property enhancement remain unclear. We addressed this uncertainty by analyzing changes in the local and average structures across the x = 0.5 composition, which have been determined using simultaneous Reverse Monte Carlo fitting of neutron and X-ray total-scattering data, potassium EXAFS, and diffuse-scattering patterns in electron diffraction...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29141492/a-case-report-of-hyponatremia-after-surgery-for-conn-s-adenoma
#7
Giulia Furlanis, Stella Bernardi, Monica Cavressi, Lorenzo Zandonà, Renzo Carretta, Bruno Fabris, Moreno Bardelli
Primary aldosteronism (PA), also known as Conn's syndrome, is a frequent cause of secondary hypertension. If PA is due to a documented unilateral adrenal adenoma, adrenalectomy is the treatment of choice. Endocrine Society guidelines suggest monitoring potassium after adrenalectomy, while there is no mention of sodium disorders after surgery. Here we report the case of a patient with Conn's syndrome who developed hyponatremia after surgery. This was an unexpected event in the course of the treatment, which sheds light on the fact that low levels of aldosterone strongly influence sodium concentration, and advises clinicians to monitor sodium after adrenalectomy...
October 2017: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/29140143/sweat-sodium-potassium-and-chloride-concentrations-analyzed-same-day-as-collection-versus-after-seven-days-storage-in-a-range-of-temperatures
#8
Lindsay B Baker, Kelly A Barnes, Bridget C Sopeña, Ryan P Nuccio, Adam J Reimel, Corey T Ungaro
The purpose of this study was to determine the effect of storage temperature on sodium ([Na(+)]), potassium ([K(+)]), and chloride ([Cl(-)]) concentrations of sweat samples analyzed seven days after collection. Using the absorbent patch technique, 845 sweat samples were collected from 39 subjects (32±7 y, 72.9±10.5 kg) during exercise. On the same day as collection (PRE-STORAGE), 609 samples were analyzed for [Na(+)], [Cl(-)], and [K(+)] via ion chromatography (IC) and 236 samples were analyzed for [Na(+)] using a compact ion-selective electrode (ISE)...
November 15, 2017: International Journal of Sport Nutrition and Exercise Metabolism
https://www.readbyqxmd.com/read/29139614/human-dental-stem-cell-derived-transgene-free-ipscs-generate-functional-neurons-via-embryoid-body-mediated-and-direct-induction-methods
#9
Ikbale El Ayachi, Jun Zhang, Xiao-Ying Zou, Zongdong Yu, Wei Wei, Kristen M S O'Connell, George T-J Huang
Induced pluripotent stem cells (iPSCs) give rise to neural stem/progenitor cells (NSCs), serving as a good source for neural regeneration. Here, we established transgene-free (TF) iPSCs from dental stem cells (DSCs) and determined their capacity to differentiate into functional neurons in vitro. Generated TF iPSCs from stem cells of apical papilla (SCAP) and dental pulp stem cells (DPSCs) underwent two methods -- embryoid body (EB)-mediated and direct induction, to guide TF-DSC iPSCs along with H9 or H9 Syn-GFP (human embryonic stem cells) into functional neurons in vitro...
November 15, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29135397/electrolytes-imbalance-caused-by-amikacin-in-patients-receiving-multi-drug-resistance-tuberculosis-treatment-at-hazara-region-kpk-pakistan
#10
Faheem Jan, Mukhtiar Hassan, Naveed Muhammad, Shahid Wali, Hafiz Sajid Akbar, Qazi Mashhood Atta, Farzana Gul
Introduction: Multi drug resistance-tuberculosis (MDR-TB) is considered amongst one of the fatal medical and public health issue. Greater frequency of adverse reactions has been observed using 2nd line antituberculosis drugs, which rises the rate of morbidity. Hypokalemia and hyponatremia are common in patients receiving MDR-TB treatment. Materials and Methods: This study was aimed to assess the effect of amikacin as multidrug resistance tuberculosis treatment on serum sodium and potassium level...
September 2017: Tüberküloz Ve Toraks
https://www.readbyqxmd.com/read/29134979/amlodipine-corrects-changes-in-blood-pressure-and-baroreceptor-reflex-sensitivity-in-sprague-dawley-rats-fed-a-high-salt-diet
#11
A A Adejare, O A Sofola
High dietary salt ingestion causes elevated blood pressure both in humans and in experimental animals.Following reports that Calcium Channel Blockers may exhibit differences in the response of blood vessels to pressor agents,this study sought to test the effects of amlodipine on blood pressure (BP) and baroreceptor reflex sensitivity (BRS) responsesto high salt ingestion. Three groups of weanling Sprague-Dawley rats i.e. control rats (CR), salt loaded rats (SR) and saltloaded rats concomitantly administered orally with amlodipine (SR+Am) were used...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29134970/circadian-potassium-excretion-is-unaffected-following-furosemide-induced-increase-in-sodium-delivery-to-the-distal-nephron
#12
B P Ilenwabor, E O Asowata, L F Obika
The mineralocorticoid aldosterone is widely accepted as a key regulator of K+ balance as well as urinary K+excretion. However, recent evidence suggests that the circadian control of K+ excretion is independent of aldosterone. Thedelivery of Na+ to the distal nephron is known to be an important determinant of aldosterone mediated secretion of K+ in thissegment of the nephron. Examining the link between distal Na+ delivery and K+ excretion; and how this link affect circadianK+ excretion will advance what is currently known about the maintenance of K+ homeostasis...
June 30, 2017: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
https://www.readbyqxmd.com/read/29134558/development-of-hyperkalemia-following-treatment-with-dapagliflozin-dapa-in-a-patient-with-type-2-diabetes-after-bilateral-adrenalectomy
#13
Daichi Miyaoka, Akihiro Tsuda, Noriyuki Hayashi, Norikazu Toi, Akiyo Yamasaki, Yuki Nagata, Shinya Nakatani, Masafumi Kurajoh, Shinsuke Yamada, Tomoaki Morioka, Yasuo Imanishi, Masanori Emoto, Masaaki Inaba
Dapagliflozin (DAPA), a sodium-glucose co-transporter 2 (SGLT2) inhibitor, is known to have a beneficial diuretic effect, in addition to a glucose-lowering effect. Although SGLT2 inhibitor has been reported, the increase of hyperkalemia in patients treated with renin-angiotensin-aldosterone system (RAAS) inhibitors, their mechanism of action is unclear. We report the first case of a type 2 diabetes (T2DM) patient with potential mineralocorticoid deficiency who developed hyperkalemia after administration of DAPA...
November 13, 2017: CEN Case Reports
https://www.readbyqxmd.com/read/29132085/how-clear-cutting-affects-fire-severity-and-soil-properties-in-a-mediterranean-ecosystem
#14
Marcos Francos, Paulo Pereira, Jorge Mataix-Solera, Victoria Arcenegui, Meritxell Alcañiz, Xavier Úbeda
Forest management practices in Mediterranean ecosystems are frequently employed to reduce both the risk and severity of wildfires. However, these pre-fire treatments may influence the effects of wildfire events on soil properties. The aim of this study is to examine the short-term effects of a wildfire that broke out in 2015 on the soil properties of three sites: two exposed to management practices in different years - 2005 (site M05B) and 2015 (site M15B) - and one that did not undergo any management (NMB) and to compare their properties with those recorded in a plot (Control) unaffected by the 2015 wildfire...
November 10, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29130735/evaluation-of-the-pharmacodynamic-effects-of-the-potassium-binder-rdx7675-in-mice
#15
James P Davidson, Andrew J King, Padmapriya Kumaraswamy, Jeremy S Caldwell, Paul Korner, Robert C Blanks, Jeffrey W Jacobs
INTRODUCTION: Hyperkalemia is a common complication in patients with heart failure or chronic kidney disease, particularly those who are taking inhibitors of the renin-angiotensin-aldosterone system. RDX7675, the calcium salt of a reengineered polystyrene sulfonate-based resin, is a potassium binder that is being investigated as a novel treatment for hyperkalemia. This study evaluated the pharmacodynamic effects of RDX7675 in mice, compared to 2 current treatments, sodium polystyrene sulfonate (SPS) and patiromer...
January 1, 2017: Journal of Cardiovascular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/29130712/-development-of-a-food-composition-database-for-valoration-of-dietary-intake-in-peruvian-amazon
#16
María García Rodríguez, Rafael Moreno Rojas, Manuel Romero Saldaña, Guillermo Molina Recio
AIM: The aim of this study was the development of a specific food composition database of Peruvian Amazonia with which value the dietary intake of the population. METHODOLOGY: An observational surveying study has been performed at which 303 individuals aged 3-83 years were selected. To compiling a register of basic food reminders of 24 hours (R24) and frequency foods consumption questionnaires (FFQ) over a four-year period were collected, and were complemented by the National Household Budget Survey...
October 24, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/29130089/rubidium-containing-thin-films-by-atomic-layer-deposition
#17
Henrik H Sønsteby, Kristian Weibye, Jon E Bratvold, Ola Nilsen
The application range for atomic layer deposition (ALD) has now been extended to include the deposition of rubidium-containing films, enabling the deposition of new and exploratory types of compounds by ALD. The properties of rubidium t-butoxide as an ALD precursor are promising, revealing similar behavior as its lithium, sodium and potassium counterparts. The deposition of rubidium containing films is reported as proof of concept through the Rb-Ti-O and Rb-Nb-O systems. Rubidium content in the doping level range of Rb is controllably achieved in Rb:TiOx up to 20%, whereas Rb can be introduced as a major component in Rb:NbOx...
November 13, 2017: Dalton Transactions: An International Journal of Inorganic Chemistry
https://www.readbyqxmd.com/read/29129401/deletion-of-claudin-10-rescues-claudin-16-deficient-mice-from-hypomagnesemia-and-hypercalciuria
#18
Tilman Breiderhoff, Nina Himmerkus, Hoora Drewell, Allein Plain, Dorothee Günzel, Kerim Mutig, Thomas E Willnow, Dominik Müller, Markus Bleich
The tight junction proteins claudin-10 and -16 are crucial for the paracellular reabsorption of cations along the thick ascending limb of Henle's loop in the kidney. In patients, mutations in CLDN16 cause familial hypomagnesemia with hypercalciuria and nephrocalcinosis, while mutations in CLDN10 impair kidney function. Mice lacking claudin-16 display magnesium and calcium wasting, whereas absence of claudin-10 results in hypermagnesemia and interstitial nephrocalcinosis. In order to study the functional interdependence of claudin-10 and -16 we generated double-deficient mice...
November 10, 2017: Kidney International
https://www.readbyqxmd.com/read/29129281/the-essential-roles-of-metal-ions-in-insect-homeostasis-and-physiology
#19
REVIEW
Julian At Dow
Metal ions play distinct roles in living organisms, including insects. Some, like sodium and potassium, are central players in osmoregulation and 'blood and guts' transport physiology, and have been implicated in cold adaptation. Calcium is a key player as a second messenger, and as a structural element. Other metals, particularly those with multiple redox states, can be cofactors in many metalloenzymes, but can contribute to toxic oxidative stress on the organism in excess. This short review selects some examples where classical knowledge has been supplemented with recent advances, in order to emphasize the importance of metals as essential nutrients for insect survival...
October 2017: Current Opinion in Insect Science
https://www.readbyqxmd.com/read/29129244/the-risk-for-hypoglycemia-during-ramadan-fasting-in-patients-with-adrenal-insufficiency
#20
Melika Chihaoui, Wafa Grira, Jihene Bettaieb, Meriem Yazidi, Fatma Chaker, Ons Rejeb, Ibtissem Oueslati, Moncef Feki, Naziha Kaabachi, Hedia Slimane
OBJECTIVES: The risk for hypoglycemia during Ramadan fasting in patients with adrenal insufficiency (AI) is not fully known. The aims of this study were to evaluate this risk objectively and to determine the associated factors. METHODS: This prospective case-crossover study included 25 women and 5 men with known and treated AI and a median age of 38.5 y. Patients underwent clinical examination and a fasting blood sample was collected to measure glucose, urea, creatinine, sodium, potassium, cortisol, growth hormone and free thyroxine...
January 2018: Nutrition
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