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https://www.readbyqxmd.com/read/28725949/tubulointerstitial-nephritis-induced-hypophosphatemic-osteomalacia-in-sj%C3%A3-gren-s-syndrome-a-case-report-and-review-of-the-literature
#1
REVIEW
Yan Geng, Youlu Zhao, Zhuoli Zhang
Sjögren's syndrome (SS) is a chronic autoimmune inflammatory disease that typically affects the salivary and lacrimal glands. Renal involvement is relatively uncommon and may precede other complaints. Tubulointestitial nephritis (TIN) is the most common renal involvement in SS. Osteomalacia occurring as the first manifestation of renal tubular disorder due to SS is very rare. We report a 39-year-old male who presented with polydipsia, polyuria, and multiple bone pain. Bone density test showed severe osteoporosis, and laboratory findings suggested hypokalemia, hypophosphatemia, and vitamin D deficiency, which supported the diagnosis of hypophosphatemic osteomalacia...
July 20, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/28725140/formulation-and-pharmacokinetics-of-multi-layered-matrix-tablets-biphasic-delivery-of-diclofenac
#2
Ehab Mostafa Elzayat, Ali Abdelzaher Abdel-Rahman, Sayed Mohamed Ahmed, Fars Kaed Alanazi, Walid Abdulazim Habib, Hisham Suliman Abou-Auda, Adel Sakr
The rapid availability of the drug at the site of action followed by maintaining its effect for a long period of time is of great clinical importance. Thus, the purpose of the present study was to prepare and evaluate multi-layered matrix tablets of diclofenac using Eudragit RL/RS blend to achieve both immediate and sustained therapeutic effects. Diclofenac potassium (25 mg) was incorporated in an outer immediate release layer to provide immediate pain relief whereas diclofenac sodium (75 mg) was incorporated in the inner core to provide extended drug release...
July 2017: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
https://www.readbyqxmd.com/read/28725115/maternal-and-fetal-arterial-blood-gas-data-in-normotensive-singleton-isoflurane-anesthetized-sheep-at-124-126-days-of-gestation
#3
Claire M Loughran, Matthew W Kemp, Gabrielle C Musk
The aim of this case series was to describe the differences between maternal and fetal blood-gas results during anesthesia. Sixteen singleton adult merino ewes weighing 60.1 ± 5.1 kg at 125.7 d (124 to 126 d) gestation were anesthetized. Maternal (radial) and fetal (umbilical) arterial blood gas samples were collected 79 ± 6 min after the start of anesthesia if maternal mean arterial pressure (MAP) was stable and > 65 mmHg. Fetal pH, partial arterial pressure of oxygen (PaO2), glucose, arterial hemoglobin oxygen saturation (SaO2), sodium, and chloride were significantly lower and fetal partial arterial pressure of carbon dioxide (PaCO2), lactate, hematocrit, total hemoglobin, potassium, and calcium were significantly higher than maternal blood-gas values...
July 2017: Canadian Journal of Veterinary Research, Revue Canadienne de Recherche Vétérinaire
https://www.readbyqxmd.com/read/28720883/chronic-high-sodium-diet-intake-after-weaning-lead-to-neurogenic-hypertension-in-adult-wistar-rats
#4
Paula Magalhães Gomes, Renato Willian Martins Sá, Giovana Lopes Aguiar, Milede Hanner Saraiva Paes, Andréia Carvalho Alzamora, Wanderson Geraldo Lima, Lisandra Brandino de Oliveira, Sean David Stocker, Vagner Roberto Antunes, Leonardo M Cardoso
In this study, we investigated some mechanisms involved in sodium-dependent hypertension of rats exposed to chronic salt (NaCl) intake from weaning until adult age. Weaned male Wistar rats were placed under high (0.90% w/w, HS) or regular (0.27% w/w, Cont) sodium diets for 12 weeks. Water consumption, urine output and sodium excretion were higher in HS rats compared to control. Blood pressure (BP) was directly measured by the arterial catheter and found 13.8% higher in HS vs Cont rats. Ganglionic blockade with hexamethonium caused greater fall in the BP of HS rats (33%), and central antagonism of AT1 receptors (losartan) microinjected into the lateral ventricle reduced BP level of HS, but not of Cont group...
July 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28720209/the-influence-of-oxazaphosphorine-agents-on-kidney-function-in-rats
#5
Łukasz Dobrek, Beata Skowron, Agnieszka Baranowska, Klaudia Płoszaj, Dorota Bądziul, Piotr Thor
BACKGROUND AND OBJECTIVE: The application of cytostatic oxazaphosphorines such as cyclophosphamide (CP) and ifosfamide (IF) is associated with the risk of kidney damage that, depending on the type of drug, dose and route of administration, adopts a different clinical entity and severity. The aim of our study was to assess the influence of CP and IF on the kidney histology and function in rats intraperitoneally treated with four doses of either CP or IF. MATERIALS AND METHODS: A total of 30 rats were divided into three groups (10 in each group): group 1 (control), sham treated with saline solution, group 2 (treated with 75mg/kg b...
July 2, 2017: Medicina
https://www.readbyqxmd.com/read/28717317/effect-of-season-on-physiological-biochemical-hormonal-and-oxidative-stress-parameters-of-indigenous-sheep
#6
Sawankumar D Rathwa, A A Vasava, M M Pathan, S P Madhira, Y G Patel, A M Pande
AIM: This study was conducted to evaluate the impact of summer and winter season on physiological, biochemical, hormonal, and antioxidant parameters in Indigenous sheep. MATERIALS AND METHODS: The research was carried out during summer and winter season. 8 adult apparently healthy female sheep (aged 2-4 years) of similar physiological status were selected. Daily ambient temperature and relative humidity were recorded to calculate the temperature-humidity index (THI)...
June 2017: Veterinary World
https://www.readbyqxmd.com/read/28712915/comparative-analyses-and-implications-for-antivenom-serotherapy-of-four-moroccan-scorpion-buthus-occitanus-venoms-subspecies-tunetanus-paris-malhommei-and-mardochei
#7
Bruna Luiza Emerich, Maria Elena De Lima, Marie-France Martin-Eauclaire, Pierre E Bougis
Temporary passive immunity such as serotherapy against venoms requires the full knowledge of all venom's components. Here, four venoms from Moroccan common yellow scorpions belonging to Buthus occitanus, subspecies tunetanus, paris, malhommei, and mardochei, all collected in four different restricted areas, were analysed in deep. They were fractionated by reversed-phase high-performance liquid chromatography (RP-HPLC) and their molecular masse profile determined by off-line MALDI-TOF mass spectrometry. Characterisation of their main components was achieved by enzyme-linked immunosorbent assay (ELISA) using specific antisera against the major lethal scorpion toxins identified so far, i...
July 13, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28711494/development-of-membrane-ion-channels-during-neural-differentiation-from-human-embryonic-stem-cells
#8
Sara Mirsadeghi, Ebrahim Shahbazi, Katayoun Hemmesi, Shiva Nemati, Hossein Baharvand, Javad Mirnajafi-Zadeh, Sahar Kiani
OBJECTIVE: For human embryonic stem cells (hESCs) to differentiate into neurons, enormous changes has to occur leading to trigger action potential and neurotransmitter release. We attempt to determine the changes in expression of voltage gated channels (VGCs) and their electrophysiological properties during neural differentiation. MATERIALS AND METHODS: The relative expressions of α-subunit of voltage gated potassium, sodium and calcium channels were characterized by qRT-PCR technique...
July 12, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28711425/minerals-and-sarcopenia-the-role-of-calcium-iron-magnesium-phosphorus-potassium-selenium-sodium-and-zinc-on-muscle-mass-muscle-strength-and-physical-performance-in-older-adults-a%C3%A2-systematic-review
#9
REVIEW
Carliene van Dronkelaar, Aafke van Velzen, Maya Abdelrazek, Anouk van der Steen, Peter J M Weijs, Michael Tieland
INTRODUCTION: Minerals may contribute to prevent and treat sarcopenia, the age-related loss of muscle mass, muscle strength, and physical performance. So far, there is no comprehensive review on the impact of minerals on sarcopenia outcomes. The aim of this systematic review is to evaluate the role of calcium, iron, magnesium, phosphorus, potassium, selenium, sodium, and zinc on muscle mass, muscle strength, and physical performance in older adults. METHODS: A systematic search was conducted between March 2016 and July 2016, in the PubMed database using predefined search terms...
July 12, 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/28711257/seasonal-and-maternal-effects-on-acid-base-l-lactate-electrolyte-and-hematological-status-of-205-dairy-calves-born-to-eutocic-dams
#10
L Kovács, F L Kézér, E Albert, F Ruff, O Szenci
In this study, we used linear mixed models to determine the effects of season, time of sampling relative to birth (factors), duration of the delivery process, duration of maternal grooming, calf body weight (BW) at birth, and time of day (covariates) on values of venous blood gas, acid-base and electrolyte parameters, and l-lactate concentrations in dairy calves born to eutocic dams in summer (SUM, n = 101) and winter (WIN, n = 104). Neonatal vitality was assessed at 0, 1, and 24 h after delivery in a linear scoring system using muscle tone, erection of the head, muscle reflexes, heart rate, and sucking drive as criteria...
July 12, 2017: Journal of Dairy Science
https://www.readbyqxmd.com/read/28710444/ergodicity-breaking-on-the-neuronal-surface-emerges-from-random-switching-between-diffusive-states
#11
Aleksander Weron, Krzysztof Burnecki, Elizabeth J Akin, Laura Solé, Michał Balcerek, Michael M Tamkun, Diego Krapf
Stochastic motion on the surface of living cells is critical to promote molecular encounters that are necessary for multiple cellular processes. Often the complexity of the cell membranes leads to anomalous diffusion, which under certain conditions it is accompanied by non-ergodic dynamics. Here, we unravel two manifestations of ergodicity breaking in the dynamics of membrane proteins in the somatic surface of hippocampal neurons. Three different tagged molecules are studied on the surface of the soma: the voltage-gated potassium and sodium channels Kv1...
July 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28709144/the-spectrum-of-peri-ictal-mri-changes-four-illustrative-cases
#12
Jennifer Williams, Gerard Mullins, Norman Delanty, Bede Peter, Colin P Doherty
PURPOSE: Seizure induced neuronal hyperexcitability and increased unmet metabolic neuronal demand results in failure of the sodium/potassium ATP pump. Sodium and water accumulates intracellularly with cellular swelling and reduced extracellular volume demonstrating hyperintensity on DWI and reduced ADC. The aim of this study was to describe 4 clinical cases where we identified abnormalities in diffusion restriction in the acute peri-ictal period and followed them longitudinally. METHODS: Patients were recruited from the emergency department, clinical consultation service and epilepsy monitoring unit of two tertiary referral centres...
July 6, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28708402/two-step-micellization-model-the-case-of-long-chain-carboxylates-in-water
#13
Ziga Medos, Marija Bester-Rogac
The micellization behaviour of the long-chain carboxylates: sodium and potassium octanoate (NaC8, KC8), sodium decanoate (NaC10), potassium decanoate (KC10), caesium decanoate (CsC10), choline decanoate (ChC10) and sodium dodecanoate (NaC12) in aqueous solutions were studied using isothermal titration calorimetry (ITC) in the temperature range between 288.15 and 328.15 K. Experimental data were analysed by help of improved model treating the micellization process as a two-step process. Furthermore, consideration of the state of the stock and titrated solutions during the experiment, allowed the elimination of all usually used empirical parameters...
July 14, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28705075/higher-adherence-to-the-mediterranean-diet-is-inversely-associated-with-having-hypertension-is-low-salt-intake-a-mediating-factor
#14
Melania La Verde, Serena Mulè, Gaetano Zappalà, Gaetano Privitera, Giuseppe Maugeri, Francesco Pecora, Marina Marranzano
Blood pressure (BP) is a major risk factor for population health worldwide and a preventable disease through lifestyle modification. The aim of this study was to assess the association between adherence to the Mediterranean diet (MD) and occurrence of hypertension in a Mediterranean cohort. Demographic and dietary data of 1937 adults were collected in 2014-2015 from the general population of Catania, Sicily (Italy). Food frequency questionnaires and a MD adherence score were used to assess exposure variables...
July 14, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28703074/serum-ionic-dysequilibria-in-clinical-opioid-dependence-cross-sectional-and-longitudinal-studies
#15
A S Reece, A Norman, G K Hulse
INTRODUCTION: Despite an increasing awareness that the activity of excitable membranes is determined by the underlying ionic gradients across them, and their importance in drug dependency, we were not able to identify any reports of comparing the electrolyte composition of opioid-dependent and non-addicted controls. METHODS: Linear regression was used to compare clinical pathology blood results taken from 2699 opioid-dependent patients (ODP) and 5307 medical control (MC) patients on a total of 21,734 occasions for the period 1995-2015...
August 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28701749/calcium-activated-sk-channels-control-firing-regularity-by-modulating-sodium-channel-availability-in-midbrain-dopamine-neurons
#16
Rajeshwari Iyer, Mark A Ungless, Aldo A Faisal
Dopamine neurons in the substantia nigra pars compacta and ventral tegmental area regulate behaviours such as reward-related learning, and motor control. Dysfunction of these neurons is implicated in Schizophrenia, addiction to drugs, and Parkinson's disease. While some dopamine neurons fire single spikes at regular intervals, others fire irregular single spikes interspersed with bursts. Pharmacological inhibition of calcium-activated potassium (SK) channels increases the variability in their firing pattern, sometimes also increasing the number of spikes fired in bursts, indicating that SK channels play an important role in maintaining dopamine neuron firing regularity and burst firing...
July 12, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28701386/low-calcium-intake-in-midpregnancy-is-associated-with-hypertension-development-within-10-years-after-pregnancy-the-norwegian-mother-and-child-cohort-study
#17
Grace M Egeland, Svetlana Skurtveit, Solveig Sakshaug, Anne Kjersti Daltveit, Bjørn E Vikse, Margaretha Haugen
Background: Low dietary calcium intake may be a risk factor for hypertension, but studies conflict.Objective: We evaluated the ability to predict hypertension within 10 y after delivery based on calcium intake during midpregnancy.Methods: The Norwegian Mother and Child Cohort Study of women delivering in 2004-2009 was linked to the Norwegian Prescription Database (2004-2013) to ascertain antihypertensive medication usage >90 d after delivery. Women with hypertension before pregnancy were excluded, leaving 60,027 mothers for analyses...
July 12, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28701338/lifestyle-in-progression-from-hypertensive-disorders-of-pregnancy-to-chronic-hypertension-in-nurses-health-study-ii-observational-cohort-study
#18
Simon Timpka, Jennifer J Stuart, Lauren J Tanz, Eric B Rimm, Paul W Franks, Janet W Rich-Edwards
Objectives To study the association between lifestyle risk factors and chronic hypertension by history of hypertensive disorders of pregnancy (HDP: gestational hypertension and pre-eclampsia) and investigate the extent to which these risk factors modify the association between HDP and chronic hypertension.Design Prospective cohort study.Setting Nurses' Health Study II (1991-2013).Participants 54 588 parous women aged 32 to 59 years with data on reproductive history and without previous chronic hypertension, stroke, or myocardial infarction...
July 12, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28699986/diagnosis-and-management-of-primary-aldosteronism
#19
Leticia A P Vilela, Madson Q Almeida
Primary aldosteronism (PA) is the most common form of secondary hypertension (HTN), with an estimated prevalence of 4% of hypertensive patients in primary care and around 10% of referred patients. Patients with PA have higher cardiovascular morbidity and mortality than age- and sex-matched patients with essential HTN and the same degree of blood pressure elevation. PA is characterized by an autonomous aldosterone production causing sodium retention, plasma renin supression, HTN, cardiovascular damage, and increased potassium excretion, leading to variable degrees of hypokalemia...
May 2017: Archives of Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28697860/multimodal-nutritional-management-in-primary-total-knee-arthroplasty-a-randomized-controlled-trial
#20
Guorui Cao, Qiang Huang, Bin Xu, Zeyu Huang, Jinwei Xie, Fuxing Pei
BACKGROUND: This study aims at evaluating the effectiveness of a new multimodal nutritional management (MNM) on albumin (ALB) transfusion, the incidence of electrolyte disorders, blood loss, perioperative levels of ALB and electrolyte, length of hospital stay (LOH), and complications in patients following total knee arthroplasty without tourniquet. METHODS: A total of 162 patients were randomized to receive either the MNM protocol (n = 81, experimental group) or traditional protocol (n = 81, control group)...
June 17, 2017: Journal of Arthroplasty
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