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https://www.readbyqxmd.com/read/27922176/dipeptidyl-peptidase-4-inhibitor-sitagliptin-reduces-inflammation-fibrosis-and-preserves-diastolic-function-in-a-rat-model-of-heart-failure-with-preserved-ejection-fraction
#1
Grazia Esposito, Donato Cappetta, Rosa Russo, Alessia Rivellino, Loreta Pia Ciuffreda, Fiorentina Roviezzo, Elena Piegari, L Liberato Berrino, Francesco Rossi, Antonella De Angelis, Konrad Urbanek
BACKGROUND AND PURPOSE: Heart failure with preserved ejection fraction (HFpEF) is a systemic syndrome driven by co-morbidities and its pathophysiology is poorly understood. Several studies suggesting that dipeptidyl peptidase 4 (DPP4) might be involved in the pathophysiology of heart failure prompted experimental and clinical investigations of DPP4 inhibitors on cardiovascular system. The aim of our study was to determine whether DPP4 inhibitor sitagliptin (SITA) affects the progression of HFpEF independently from the effects on glycaemia...
December 6, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27921362/effects-of-mineral-salt-supplement-on-enteric-methane-emissions-ruminal-fermentation-and-methanogen-community-of-lactating-cows
#2
Xiaohua Li, Chong Liu, Yongxing Chen, Rongguang Shi, Zhenhua Cheng, Hongmin Dong
We evaluated the effects of mineral salt supplement on enteric methane emissions, ruminal fermentation and methanogen community of dairy cows over a whole lactation period. Ten Holstein cows fed a total mixed ration (TMR) diet were randomly allocated into two groups, one supplied with mineral salts as the treatment group and the other as the control group. The methane measurement showed that the ingestion of mineral salts lowered enteric methane emissions significantly (P < 0.05), with an average of 10...
December 6, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27920129/chronic-inhibition-of-renal-outer-medullary-potassium-channel-not-only-prevented-but-also-reversed-development-of-hypertension-and-end-organ-damage-in-dahl-salt-sensitive-rats
#3
Xiaoyan Zhou, Michael J Forrest, Wanda Sharif-Rodriguez, Gail Forrest, Daphne Szeto, Olga Urosevic-Price, Yonghua Zhu, Andra S Stevenson, Yuchen Zhou, Sloan Stribling, Maya Dajee, Shawn P Walsh, Alexander Pasternak, Kathleen A Sullivan
The renal outer medullary potassium (ROMK) channel mediates potassium recycling and facilitates sodium reabsorption through the Na(+)/K(+)/2Cl(-) cotransporter in the loop of Henle and potassium secretion at the cortical collecting duct. Evidence from the phenotype of humans and rodents with functional ROMK deficiency supports the contention that selective ROMK inhibitors (ROMKi) will represent a novel diuretic with potential of therapeutic benefit for hypertension. ROMKi have recently been synthesized by Merck & Co, Inc...
December 5, 2016: Hypertension
https://www.readbyqxmd.com/read/27917793/high-dose-oral-furosemide-with-salt-ingestion-in-the-treatment-of-refractory-ascites-of-liver-cirrhosis
#4
Tolga Yakar, Mehmet Demir, Ozlem Dogan, Alper Parlakgumus, Birol Ozer, Ender Serin
PURPOSE: We aimed to evaluate and compare the efficacy and safety of high-dose furosemide+salt orally by comparing HSS+ furosemide (i.v.) and repeated paracentesis in patients with RA. METHODS: This was a prospective study of 78 cirrhotic patients with RA, randomized into three groups: Group A (n= 25) i.v. furosemide (200-300 mg bid) and 3% hypotonic saline solution (HSS) (once or twice a day); Group B (n= 26) oral furosemide tablets (360-520 mg bid) and salt (2...
December 1, 2016: Clinical and Investigative Medicine. Médecine Clinique et Experimentale
https://www.readbyqxmd.com/read/27916928/the-effect-of-lupinus-albus-and-calcium-chloride-on-growth-performance-body-composition-plasma-biochemistry-and-meat-quality-of-male-pigs-immunized-against-gonadotrophin-releasing-factor
#5
Karen Moore, Bruce Mullan, Jae Cheol Kim, Frank Dunshea
Two hundred and ninety-four pigs were used to assess the effect of two ingredients (Lupinus albus (albus lupins) or a combination of calcium chloride and sodium tri-polyphosphate (mineral salts)) on growth performance, body composition and objective meat quality of pigs immunized against gonadotrophin releasing factor (immunocastrates) and entire male pigs in the late finishing phase. Pigs fed mineral salts ate less feed than those fed the control diet with no effect on growth rate (p > 0.05), backfat (p > 0...
December 1, 2016: Animals: An Open Access Journal From MDPI
https://www.readbyqxmd.com/read/27909562/educating-restaurant-owners-and-cooks-to-lower-their-own-sodium-intake-is-a-potential-strategy-for-reducing-the-sodium-contents-of-restaurant-foods-a-small-scale-pilot-study-in-south-korea
#6
Sohyun Park, Heeseung Lee, Dong-Il Seo, Kwang-Hwan Oh, Taik Gun Hwang, Bo Youl Choi
BACKGROUND/OBJECTIVES: This study was conducted to evaluate the feasibility of a sodium reduction program at local restaurants through nutrition education and examination of the health of restaurant owners and cooks. SUBJECTS/METHODS: The study was a single-arm pilot intervention using a pre-post design in one business district with densely populated restaurants in Seoul, South Korea. The intervention focused on improving nutrition behaviors and psychosocial factors through education, health examination, and counseling of restaurant personnel...
December 2016: Nutrition Research and Practice
https://www.readbyqxmd.com/read/27905933/salt-intakes-in-sub-saharan-africa-a-systematic-review-and-meta-regression
#7
Oyinlola Oyebode, Samuel Oti, Yen-Fu Chen, Richard J Lilford
BACKGROUND: High sodium intake increases the risk of hypertension and cardiovascular diseases. For this reason the World Health Organization recommends a maximum intake of 2 g per day and a 30 % reduction in population sodium intake by 2025. However, in global reviews, data on sodium intake in sub-Saharan Africa have been limited. METHODS: A systematic review was conducted to identify studies reporting sodium intake in sub-Saharan African populations. Meta-regression analyses were used to test the effect of year of data collection and method of data collection (urinary/dietary), as well as any association between sex, urban/rural status or a country's economic development, and population sodium intake...
January 11, 2016: Population Health Metrics
https://www.readbyqxmd.com/read/27903563/leveraging-ongoing-research-to-evaluate-the-health-impacts-of-south-africa-s-salt-reduction-strategy-a-prospective-nested-cohort-within-the-who-sage-multicountry-longitudinal-study
#8
Karen Charlton, Lisa J Ware, Elias Menyanu, Richard Berko Biritwum, Nirmala Naidoo, Chiné Pieterse, Savathree Lorna Madurai, Jeannine Baumgartner, George A Asare, Elizabeth Thiele, Aletta E Schutte, Paul Kowal
INTRODUCTION: Attempting to curb the rising epidemic of hypertension, South Africa implemented legislation in June 2016 mandating maximum sodium levels in a range of manufactured foods that contribute significantly to population salt intake. This natural experiment, comparing two African countries with and without salt legislation, will provide timely information on the impact of legislative approaches addressing the food supply to improve blood pressure in African populations. This article outlines the design of this ongoing prospective nested cohort study...
November 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/27903222/sustained-elabela-gene-therapy-in-high-salt-induced-hypertensive-rats
#9
Claire A Schreiber, Sara J Holditch, Alex Generous, Yasuhiro Ikeda
BACKGROUND: Elabela (ELA) is a recently identified apelin receptor agonist essential for cardiac development, but its biology and therapeutic potential are unclear. In humans ELA transcripts are detected in embryonic stem cells, induced pluripotent stem cells, kidney, heart and blood vessels. ELA through the apelin receptor promotes angiogenesis in vitro, relaxes murine aortic blood vessels and attenuates high blood pressure in vivo. The apelin receptor when bound to its original ligand, apelin, exerts peripheral vasodilatory and positive inotropic effects, conferring cardioprotection in vivo...
November 21, 2016: Current Gene Therapy
https://www.readbyqxmd.com/read/27901171/role-of-lewis-acid-additives-in-a-palladium-catalyzed-directed-c-h-functionalization-reaction-of-benzohydroxamic-acid-to-isoxazolone
#10
C Athira, Raghavan B Sunoj
Metallic salts as well as protic additives are widely employed in transition metal catalyzed C-H bond functionalization reactions to improve the efficiency of catalytic protocols. In one such example, ZnCl2 and pivalic acid are used as additives in a palladium catalyzed synthesis of isoxazolone from a readily available benzohydroxamic acid under one pot conditions. In this article, we present some important mechanistic insights into the role of ZnCl2 and pivalic acid, gained by using density functional theory (M06) computations...
November 30, 2016: Organic & Biomolecular Chemistry
https://www.readbyqxmd.com/read/27886793/innovative-approaches-to-hypertension-control-in-low-and-middle-income-countries
#11
REVIEW
Rajesh Vedanthan, Antonio Bernabe-Ortiz, Omarys I Herasme, Rohina Joshi, Patricio Lopez-Jaramillo, Amanda G Thrift, Jacqui Webster, Ruth Webster, Karen Yeates, Joyce Gyamfi, Merina Ieremia, Claire Johnson, Jemima H Kamano, Maria Lazo-Porras, Felix Limbani, Peter Liu, Tara McCready, J Jaime Miranda, Sailesh Mohan, Olugbenga Ogedegbe, Brian Oldenburg, Bruce Ovbiagele, Mayowa Owolabi, David Peiris, Vilarmina Ponce-Lucero, Devarsetty Praveen, Arti Pillay, Jon-David Schwalm, Sheldon W Tobe, Kathy Trieu, Khalid Yusoff, Valentin Fuster
Elevated blood pressure, a major risk factor for ischemic heart disease, heart failure, and stroke, is the leading global risk for mortality. Treatment and control rates are very low in low- and middle-income countries. There is an urgent need to address this problem. The Global Alliance for Chronic Diseases sponsored research projects focus on controlling hypertension, including community engagement, salt reduction, salt substitution, task redistribution, mHealth, and fixed-dose combination therapies. This paper reviews the rationale for each approach and summarizes the experience of some of the research teams...
February 2017: Cardiology Clinics
https://www.readbyqxmd.com/read/27886772/selective-and-sensitive-electrochemical-device-for-direct-vb2-determination-in-real-products
#12
Agata Kowalczyk, Monika Sadowska, Beata Krasnodebska-Ostrega, Anna M Nowicka
The developed by us electrochemical device for vitamin B2 (VB2; riboflavin) determination, without preconcentration step, in real products exhibits high sensitivity, selectivity, stability and low detection limit compared to those described in the literature. The determination procedure was based on the monitoring of the reduction current signal of VB2 bound with dsDNA anchored to the electrode surface through intermediary - carboxyphenyl layer. The application of such intermediary layer formed during electroreduction of appropriate diazonium salt at CV peak potential guarantees high efficiency of hybridization process and thus fully available places for VB2 interaction...
January 15, 2017: Talanta
https://www.readbyqxmd.com/read/27886323/sulfur-doped-reduced-graphene-oxides-with-enhanced-catalytic-activity-for-oxygen-reduction-via-molten-salt-redox-sulfidation
#13
Yuxing Gu, Zhigang Chen, Juanjuan Tang, Wei Xiao, Xuhui Mao, Hua Zhu, Dihua Wang
A spontaneous redox reaction of reduced graphene oxide (rGO) in molten Li2CO3-Na2CO3-K2CO3 with a small amount of Li2SO4 at 550 °C was applied to synthesize sulfur and sulfur-cobalt doped rGOs (S-rGO/S-Co-rGO). The obtained S-rGOs and S-Co-rGOs show enhanced catalytic activity for the oxygen reduction reaction (ORR) in alkaline aqueous solutions. The onset reduction potential and the half-wave potential of S-Co-rGO are 60 and 40 mV more positive than those of the original rGO, respectively. The reduction current density of S-Co-rGO increases by nearly five times...
November 25, 2016: Physical Chemistry Chemical Physics: PCCP
https://www.readbyqxmd.com/read/27872695/reduction-of-the-morphine-maintenance-by-blockade-of-the-nmda-receptors-during-extinction-period-in-conditioned-place-preference-paradigm-of-rats
#14
Ali Siahposht-Khachaki, Zahra Fatahi, Abbas Haghparast
INTRODUCTION: Activation of N-methyl-d-aspartate (NMDA) glutamate receptors in the nucleus accumbens is a component of drug-induced reward mechanism. In addition, NMDA receptors play a major role in brain reward system and activation of these receptors can change firing pattern of dopamine neurons. Blockade of glutamatergic neurotransmission reduces the expression of conditioned place preference (CPP) induced by morphine. Therefore, in this study, by using an NMDA receptor antagonist, DL-2-Amino-5-phosphonopentanoic acid sodium salt (AP5), the role of NMDA receptors on the maintenance and reinstatement of morphine-CPP was investigated...
October 2016: Basic and Clinical Neuroscience
https://www.readbyqxmd.com/read/27871753/role-of-three-different-plants-on-simultaneous-salt-and-nutrient-reduction-from-saline-synthetic-wastewater-in-lab-scale-constructed-wetlands
#15
João M Jesus, A C Cassoni, Anthony S Danko, António Fiúza, Maria-Teresa Borges
Constructed Wetlands (CWs) can be a valuable technology to treat high salinity wastewaters but it is not known their potential for removal of both nutrients and salt, and the type of plants to use. This study evaluated the effect of three plants on salt reduction and simultaneous nutrient removal in CWs microcosms with expanded clay and in hydroponic conditions. Initial values of the synthetic wastewater tested were EC=15dSm(-1), SAR=151; NH4(+)-N=24mgL(-1); PO4(3-)-P=30mgL(-1) and NO3(-)-N=34mgL(-1). With expanded clay CW removal efficiency for NH4(+)-N was 21, 88 and 85%, while for NO3(-)-N, it was 4, 56 and 68% for Spartina maritima, Juncus maritimus and Arundo donax, respectively...
November 18, 2016: Science of the Total Environment
https://www.readbyqxmd.com/read/27870028/chronic-warming-stimulates-growth-of-marsh-grasses-more-than-mangroves-in-a-coastal-wetland-ecotone
#16
G A Coldren, C R Barreto, D D Wykoff, E M Morrissey, J A Langley, I C Feller, S K Chapman
Increasing temperatures and a reduction in the frequency and severity of freezing events have been linked to species distribution shifts. Across the globe, mangrove ranges are expanding toward higher latitudes, likely due to diminishing frequency of freezing events associated with climate change. Continued warming will alter coastal wetland plant dynamics both above- and belowground, potentially altering plant capacity to keep up with sea level rise. We conducted an in situ warming experiment, in northeast Florida, to determine how increased temperature (+2°C) influences co-occurring mangrove and salt marsh plants...
November 2016: Ecology
https://www.readbyqxmd.com/read/27866963/interdialytic-weight-gain-trends-predictors-and-associated-outcomes-in-the-international-dialysis-outcomes-and-practice-patterns-study-dopps
#17
Michelle M Y Wong, Keith P McCullough, Brian A Bieber, Juergen Bommer, Manfred Hecking, Nathan W Levin, William M McClellan, Ronald L Pisoni, Rajiv Saran, Francesca Tentori, Tadashi Tomo, Friedrich K Port, Bruce M Robinson
BACKGROUND: High interdialytic weight gain (IDWG) is associated with adverse outcomes in hemodialysis (HD) patients. We identified temporal and regional trends in IDWG, predictors of IDWG, and associations of IDWG with clinical outcomes. STUDY DESIGN: Analysis 1: sequential cross-sections to identify facility- and patient-level predictors of IDWG and their temporal trends. Analysis 2: prospective cohort study to assess associations between IDWG and mortality and hospitalization risk...
November 17, 2016: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/27866607/synthesis-of-silver-nanoparticles-by-endosymbiont-pseudomonas-fluorescens-ca-417-and-their-bactericidal-activity
#18
Baker Syed, Nagendra Prasad M N, Dhananjaya B L, Mohan Kumar K, Yallappa S, Satish S
The present study emphasizes on biogenic synthesis of silver nanoparticles and their bactericidal activity against human and phytopathogens. Nanoparticle synthesis was performed using endosymbiont Pseudomonas fluorescens CA 417 inhabiting Coffea arabica L. Synthesized nanoparticles were characterized using hyphenated spectroscopic techniques such as UV-vis spectroscopy which revealed maximum absorption 425nm. Fourier transform infrared spectroscopy (FTIR) analysis revealed the possible functional groups mediating and stabilizing silver nanoparticles with predominant peaks occurring at 3346 corresponding to hydroxyl group, 1635 corresponding carbonyl group and 680 to aromatic group...
December 2016: Enzyme and Microbial Technology
https://www.readbyqxmd.com/read/27865351/quercetin-relaxes-guinea-pig-gallbladder-strips
#19
Loren Kline, Edward Karpinski
Quercetin, a phytoestrogen and flavonoid, relaxes intestinal and vascular smooth muscle. The purpose of this study was to determine if quercetin had an effect on gallbladder smooth muscle. An in vitro technique was used to determine the effects of quercetin on gallbladder strips and which system(s) mediated the relaxation. Paired t tests were used; differences between means of P < .05 were considered significant. Adding quercetin before cholecystokinin or KCl produced a significant (P < .001) decrease in the amount of tension (0...
October 2016: Nutrition Research
https://www.readbyqxmd.com/read/27862082/influence-of-salt-tolerant-trichoderma-spp-on-growth-of-maize-zea-mays-under-different-salinity-conditions
#20
Krishna Kumar, K Manigundan, Natarajan Amaresan
In the present study, a total of 70 Trichoderma spp. were isolated from the rhizosphere soils of vegetable and spice crops that were grown in Andaman and Nicobar Islands, India. Initial screening of Trichoderma spp. for salt tolerant properties showed 32 isolates were able to tolerate 10% NaCl. Furthermore, these isolates were screened for their potential plant growth-promoting characteristics such as IAA production, phosphate solubilization, and siderophore production. Among 32 isolates, nine isolates were able to produce IAA, siderophore, and solubilize phosphate...
November 8, 2016: Journal of Basic Microbiology
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