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https://www.readbyqxmd.com/read/27913772/safety-assessment-of-formic-acid-and-sodium-formate-as-used-in-cosmetics
#1
Wilbur Johnson, Bart Heldreth, Wilma F Bergfeld, Donald V Belsito, Ronald A Hill, Curtis D Klaassen, Daniel C Liebler, James G Marks, Ronald C Shank, Thomas J Slaga, Paul W Snyder, F Alan Andersen
Formic acid functions as a fragrance ingredient, preservative, and pH adjuster in cosmetic products, whereas sodium formate functions as a preservative. Because of its acidic properties, formic acid is a dermal and ocular irritant. However, when used as a pH adjuster in cosmetic formulations, formic acid will be neutralized to yield formate salts, for example, sodium formate, thus minimizing safety concerns. Formic acid and sodium formate have been used at concentrations up to 0.2% and 0.34%, respectively, with hair care products accounting for the highest use concentrations of both ingredients...
November 2016: International Journal of Toxicology
https://www.readbyqxmd.com/read/27913748/a-3-year-follow-up-of-a-patient-with-acute-renal-failure-caused-by-thrombotic-microangiopathy-related-to-antiphospholipid-syndrome-case-report
#2
X-J Zhou, M Chen, S-X Wang, F-D Zhou, M-H Zhao
BACKGROUND: Microvascular manifestations of antiphospholipid antibody syndrome in the kidneys include acute renal failure, thrombotic microangiopathy and hypertension. Therapy has been largely empiric. CASE REPORT: A 49-year-old Chinese man presented with anuric acute renal failure without abundant proteinuria and heavy haematuria, but markedly low levels of urinary sodium, potassium and chlorine upon admission. On day 1 of hospitalization, his thrombocytopenia, anaemia and renal failure showed rapid progression...
December 2, 2016: Lupus
https://www.readbyqxmd.com/read/27913572/very-low-density-lipoprotein-vldl-induced-signals-mediating-aldosterone-production
#3
Ying-Ying Tsai, William E Rainey, Wendy B Bollag
Aldosterone, secreted by the adrenal zona glomerulosa, enhances sodium retention, thus increasing blood volume and pressure. Excessive production of aldosterone results in high blood pressure, and contributes to cardiovascular and renal disease, stroke, and visual loss. Hypertension is also associated with obesity, which s correlated with other serious health risks as well. Although weight gain is associated with increased blood pressure, the mechanism by which excess fat deposits increase blood pressure remains unclear...
December 2, 2016: Journal of Endocrinology
https://www.readbyqxmd.com/read/27913279/a-randomised-clinical-in-situ-study-to-evaluate-the-effects-of-novel-low-abrasivity-anti-sensitivity-dentifrices-on-dentine-wear
#4
J Seong, C Hall, S Young, C Parkinson, E Macdonald, S Bodfel Jones, N X West
OBJECTIVES: To compare the abrasive wear on human dentine in an in situ model associated with use of an experimental low abrasivity anti-sensitivity dentifrice containing 1% alumina and 5% sodium tripolyphosphate (STP) with an experimental ultra-low abrasivity non-alumina 5% STP dentifrice, a higher abrasivity daily-use whitening dentifrice, and water as controls. METHODS: This was a single-centre, single-blind, randomised, split-mouth, four-treatment, two-period, crossover in situ study in 29 healthy subjects...
November 29, 2016: Journal of Dentistry
https://www.readbyqxmd.com/read/27913217/integration-of-whole-cell-reaction-and-product-isolation-highly-hydrophobic-solvents-promote-in-situ-substrate-supply-and-simplify-extractive-product-isolation
#5
Dorothea Leis, Bernhard Lauß, Robert Macher-Ambrosch, Andreas Pfennig, Bernd Nidetzky, Regina Kratzer
Product isolation from aqueous-organic reaction mixtures that contain high concentrations of whole cells constitutes a challenging task in bioprocessing. Stirring of the biphasic reaction media leads to the formation of solvent droplets coated by surface active components and an emulsion forms. We used an early focus on phase separation to simplify a whole-cell bioreduction. Octanol, heptanol, hexanol, hexane and dipropylether were tested as co-solvents in the E. coli catalyzed reduction of o-chloroacetophenone...
November 29, 2016: Journal of Biotechnology
https://www.readbyqxmd.com/read/27913012/hyperglycemic-high-anion-gap-metabolic-acidosis-in-patients-receiving-sglt-2-inhibitors-for-diabetes-management
#6
Juliette Sandifer Kum-Nji, Aidar R Gosmanov, Helmut Steinberg, Samuel Dagogo-Jack
Sodium-glucose cotransporter-2 inhibitors (SGLT-2i) are a class of antidiabetic medications that improve glycemic control via inhibiting the reabsorption of filtered glucose and are approved for use in type 2 diabetes (T2DM). These drugs have recently been associated with euglycemic diabetic ketoacidosis (DKA). An increasing number of cases of SGLT-2i-associated DKA have occurred in patients with T2DM. Herein, we describe five episodes of hyperglycemic DKA in four type 2 diabetes patients receiving SGLT-2i therapy...
November 9, 2016: Journal of Diabetes and its Complications
https://www.readbyqxmd.com/read/27908548/dietary-sodium-and-potassium-intakes-data-from-urban-and-rural-areas
#7
Carmelle Mizéhoun-Adissoda, Dismand Houinato, Corine Houehanou, Thierry Chianea, François Dalmay, André Bigot, Victor Aboyans, Pierre-Marie Preux, Pascal Bovet, Jean-Claude Desport
OBJECTIVES: Hypertension is highly prevalent in West African populations, but little data is available on salt and potassium intake in these populations. We assumed in this study that sodium and potassium intake might be high and low, respectively, in the Beninese population in view of the emerging nutritional transition. The aim of this study was to estimate dietary sodium and potassium intakes based on 24-h urine collections. METHODS: We selected 420 individuals (ages 25-64 y), representative of the population, from urban and rural areas in Benin...
January 2017: Nutrition
https://www.readbyqxmd.com/read/27908410/elevated-serum-mda-and-depleted-non-enzymatic-antioxidants-macro-minerals-and-trace-elements-are-associated-with-bipolar-disorder
#8
Manjurul Islam Chowdhury, Maimuna Hasan, Mohammad Safiqul Islam, Md Shahid Sarwar, Mohammad Nurul Amin, S M Naim Uddin, Md Zahedur Rahaman, Sujan Banik, Md Saddam Hussain, Kazushige Yokota, Abul Hasnat
Genetic and neurobiological factors are considered to be the major causes of mood and mental disorders. However, over the past few years, increased levels of serum malondialdehyde and altered levels of various non-enzymatic antioxidants and essential minerals involved in abnormal functional activity have been identified as major contributing factors to the pathogenesis of several neurological disorders. The aim of this study was to determine the levels of the serum lipid peroxidation product malondialdehyde (MDA), antioxidants (vitamin A, E and C), macro-minerals (calcium, potassium and sodium) and trace elements (zinc, iron and selenium) in patients with bipolar disorder and to explore their role in disease progression...
January 2017: Journal of Trace Elements in Medicine and Biology
https://www.readbyqxmd.com/read/27906747/update-on-angiotensin-at2-receptors
#9
Robert M Carey
PURPOSE OF REVIEW: This review updates major new findings and concepts introduced during the past year on the role of angiotensin II (Ang II) subtype 2 receptors (AT2Rs) in the control of blood pressure and renal function. RECENT FINDINGS: AT2R activation prevents sodium (Na) retention and lowers blood pressure in the Ang II infusion model of experimental hypertension and prevents salt-sensitive hypertension in the obese Zucker rat model of obesity and the metabolic syndrome...
November 30, 2016: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/27905510/remarkable-alterations-of-nav1-6-in-reactive-astrogliosis-during-epileptogenesis
#10
Hongyan Zhu, Yuxiao Zhao, Hao Wu, Nan Jiang, Ziyi Wang, Weide Lin, Jiahui Jin, Yonghua Ji
Voltage-gated sodium channels (VGSCs) play a vital role in controlling neuronal excitability. Nav1.6 is the most abundantly expressed VGSCs subtype in the adult central nervous system and has been found to contribute to facilitate the hyperexcitability of neurons after electrical induction of status epilepticus (SE). To clarify the exact expression patterns of Nav1.6 during epileptogenesis, we examined the expression of Nav1.6 at protein and mRNA levels in two distinct animal models of temporal lobe epilepsy (TLE) including a post-SE model induced by kainic acid (KA) intrahippocampal injection and a kindling model evoked by pentylenetetrazole (PTZ)...
December 1, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27905295/desensitization-of-idiopathic-pulmonary-fibrosis-fibroblasts-to-alternaria-alternata-extract-mediated-necrotic-cell-death
#11
Jintaek Im, Kyutae Kim, Ji Young Yhee, Scott M O'Grady, Richard S Nho
Alternaria alternata is an allergenic fungus and known to cause an upper respiratory tract infection and asthma in humans with compromised immunity. Although A. alternata's effect on airway epithelial cells has previously been examined, the potential role of A. alternata on lung fibroblast viability is not understood. Since lung fibroblasts derived from patients with idiopathic pulmonary fibrosis (IPF) display a distinct phenotype that is resistant to stress and cell death inducing conditions, the investigation of the role of Alternaria on pathological IPF fibroblasts provides a better understanding of the fibrotic process induced by an allergenic fungus...
November 2016: Physiological Reports
https://www.readbyqxmd.com/read/27903829/long-term-adherence-to-low-sodium-diet-in-patients-with-heart-failure
#12
Misook L Chung, Linda Park, Susan K Frazier, Terry A Lennie
Although following a low-sodium diet (LSD) for heart failure (HF) has been recommended for decades, little is known about factors related to long-term patient adherence. The purposes of this study were to (a) compare sodium intake and factors affecting adherence in a long-term adherent group and in a non-adherent group and (b) examine predictors of membership in the long-term adherent group. Patients with HF (N = 74) collected 24-hr urine samples and completed the Dietary Sodium Restriction Questionnaire and the Patient Health Questionnaire-9...
November 30, 2016: Western Journal of Nursing Research
https://www.readbyqxmd.com/read/27901197/in-vitro-germination-of-zygotic-embryos-of-hybrid-brs-manicor%C3%A3-e-guineensis-x-e-oleifera
#13
Keila A P Bonetti, Marguerite Quoirin, Regina C Quisen, Suelen C S Lima
The interspecific oil palm hybrid BRS Manicoré (E. guineensis x E. oleifera) has superior agronomic characteristics. However, the germination rate is low (30%) and the process is slow when the seeds are sown in a conventional form. The purpose of this study was to optimize the in vitro germination of zygotic embryos of this hybrid comparing seed lots. The viability of zygotic embryos was evaluated by the tetrazolium test (0.075%) for 4 h. The embryos were cultured on MS and Y3 culture media, with and without the addition of NaH2PO4, as well as on MS, MS1/2 and N6 medium...
2016: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/27900836/spectrofluorimetric-determination-of-certain-adrenergic-agonist-drugs-in-their-pure-forms-and-pharmaceutical-formulations-content-uniformity-test-application
#14
Khalid M Badr El-Din, Tamer Z Attia
A new, simple, sensitive and rapid spectrofluorimetric method has been developed for determination of certain adrenergic agonists such as isoxsuprine hydrochloride, ritodrine hydrochloride and etilefrine hydrochloride in their pure forms and pharmaceutical dosage forms. The method depends on micellar enhancement of the native fluorescence of investigated drugs by using 2% w/v sodium dodecyl sulfate (SDS) as an anionic surfactant. The enhanced fluorescence intensity of investigated drugs was measured at 305 nm after excitation at 278 nm...
November 29, 2016: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/27900368/whole-exome-sequencing-reveals-an-inherited-r566x-mutation-of-the-epithelial-sodium-channel-%C3%AE-subunit-in-a-case-of-early-onset-phenotype-of-liddle-syndrome
#15
Linda M Polfus, Eric Boerwinkle, Richard A Gibbs, Ginger Metcalf, Donna Muzny, Narayanan Veeraraghavan, Megan Grove, Sanjay Shete, Stephanie Wallace, Dianna Milewicz, Neil Hanchard, James R Lupski, Syed Shahrukh Hashmi, Monesha Gupta-Malhotra
To comprehensively evaluate a European-American child with severe hypertension, whole-exome sequencing (WES) was performed on the child and parents, which identified causal variation of the proband's early-onset disease. The proband's hypertension was resistant to treatment, requiring a multiple drug regimen including amiloride, spironolactone, and hydrochlorothiazide. We suspected a monogenic form of hypertension because of the persistent hypokalemia with low plasma levels of renin and aldosterone. To address this, we focused on rare functional variants and indels, and performed gene-based tests incorporating linkage scores and allele frequency and filtered on deleterious functional mutations...
November 2016: Cold Spring Harbor Molecular Case Studies
https://www.readbyqxmd.com/read/27899585/splinted-ligation-adapter-tagging-splat-a-novel-library-preparation-method-for-whole-genome-bisulphite-sequencing
#16
Amanda Raine, Erika Manlig, Per Wahlberg, Ann-Christine Syvänen, Jessica Nordlund
Sodium bisulphite treatment of DNA combined with next generation sequencing (NGS) is a powerful combination for the interrogation of genome-wide DNA methylation profiles. Library preparation for whole genome bisulphite sequencing (WGBS) is challenging due to side effects of the bisulphite treatment, which leads to extensive DNA damage. Recently, a new generation of methods for bisulphite sequencing library preparation have been devised. They are based on initial bisulphite treatment of the DNA, followed by adaptor tagging of single stranded DNA fragments, and enable WGBS using low quantities of input DNA...
November 28, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27898676/dietary-butyrate-helps-to-restore-the-intestinal-status-of-a-marine-teleost-sparus-aurata-fed-extreme-diets-low-in-fish-meal-and-fish-oil
#17
Itziar Estensoro, Gabriel Ballester-Lozano, Laura Benedito-Palos, Fabian Grammes, Juan Antonio Martos-Sitcha, Liv-Torunn Mydland, Josep Alvar Calduch-Giner, Juan Fuentes, Vasileios Karalazos, Álvaro Ortiz, Margareth Øverland, Ariadna Sitjà-Bobadilla, Jaume Pérez-Sánchez
There is a constant need to find feed additives that improve health and nutrition of farmed fish and lessen the intestinal inflammation induced by plant-based ingredients. The objective of this study was to evaluate the effects of adding an organic acid salt to alleviate some of the detrimental effects of extreme plant-ingredient substitution of fish meal (FM) and fish oil (FO) in gilthead sea bream diet. Three experiments were conducted. In a first trial (T1), the best dose (0.4%) of sodium butyrate (BP-70 ®NOREL) was chosen after a short (9-weeks) feeding period...
2016: PloS One
https://www.readbyqxmd.com/read/27898598/pharmacokinetics-of-mycophenolic-acid-and-dose-optimization-in-children-after-intestinal-transplantation
#18
Caroline Barau, Antonio Mellos, Stéphanie Chhun, Florence Lacaille, Valérie Furlan
BACKGROUND: Mycophenolate mofetil (MMF) or enteric-coated mycophenolate sodium (MPS) are now commonly used in pediatric intestinal transplantation (Tx), but to date, no clear recommendations regarding the dosing regimen have been made in this population. The aim of this study was to determine the MMF/MPS dosage required to achieve an area under the plasma concentration-time curve from 0 to 12 hours (AUC0-12) for mycophenolic acid (MPA) greater than 30 mg.h/L in children after intestinal transplantation...
November 28, 2016: Therapeutic Drug Monitoring
https://www.readbyqxmd.com/read/27898506/estimation-of-populational-24-h-urinary-sodium-and-potassium-excretion-from-spot-urine-samples-evaluation-of-four-formulas-in-a-large-national-representative-population
#19
Jorge Polonia, Mariana F Lobo, Luis Martins, Fernando Pinto, Jose Nazare
OBJECTIVE: The aim of this study was to assess the validity of the estimation of 24-h urinary sodium (UNa) and urinary potassium (UK) excretion obtained through four formulae based on occasional urine samples. DESIGN AND METHODS: We analysed 2399 individuals (51% females) aged 18 to 96 years representatives of Portuguese population. Tanaka, Kawasaki, INTERSALT and NHANES formulae were used to predict 24-h UNa and UK excretions from spot morning urinary samples (OUrS)...
November 24, 2016: Journal of Hypertension
https://www.readbyqxmd.com/read/27896699/cationized-carbohydrate-gas-phase-fragmentation-chemistry
#20
Benjamin J Bythell, Maha T Abutokaikah, Ashley R Wagoner, Shanshan Guan, Jordan M Rabus
We investigate the fragmentation chemistry of cationized carbohydrates using a combination of tandem mass spectrometry, regioselective labeling, and computational methods. Our model system is D-lactose. Barriers to the fundamental glyosidic bond cleavage reactions, neutral loss pathways, and structurally informative cross-ring cleavages are investigated. The most energetically favorable conformations of cationized D-lactose were found to be similar. In agreement with the literature, larger group I cations result in structures with increased cation coordination number which require greater collision energy to dissociate...
November 28, 2016: Journal of the American Society for Mass Spectrometry
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