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https://www.readbyqxmd.com/read/29330622/association-of-soil-potassium-and-sodium-concentrations-with-spatial-disparities-of-prevalence-and-mortality-rates-of-hypertensive-diseases-in-the-usa
#1
Hongbing Sun
Crop available soil potassium is generally low and on the decline in the southeastern states of the USA because of the increasing crop and runoff removal and decreasing application of potassium fertilizer. Hypertension-related mortality rates are also high in the southeastern states and are on the rise. Among 41 elements analyzed from 4856 sites across all 48 states, potassium is identified as the only independent element whose soil concentration has significant association with spatial disparities of essential hypertension and hypertension-related mortality rates in the 48 states between 1999 and 2014...
January 12, 2018: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/29326302/role-of-clc-k-and-barttin-in-low-potassium-induced-sodium-chloride-cotransporter-activation-and-hypertension-in-mouse-kidney
#2
Naohiro Nomura, Wakana Shoda, Yuanlong Wang, Shintaro Mandai, Taisuke Furusho, Daiei Takahashi, Moko Zeniya, Eisei Sohara, Tatemitsu Rai, Shinichi Uchida
The sodium-chloride cotransporter (NCC) has been identified as a key molecule regulating potassium balance. The mechanisms of NCC regulation during low extracellular potassium concentrations have been studied in vitro. These studies have shown that hyperpolarization increased chloride efflux, leading to the activation of chloride-sensitive WNK kinases and their downstream molecules, including STE20/SPS1-related proline/alanine-rich kinase (SPAK) and NCC. However, this mechanism was not studied in vivo Previously, we developed the barttin hypomorphic mouse ( Bsndneo/neo mice), expressing very low levels of barttin and ClC-K channels, because barttin is an essential ß-subunit of ClC-K...
January 11, 2018: Bioscience Reports
https://www.readbyqxmd.com/read/29324984/doca-salt-hypertension-activates-plgf-in-the-spleen-to-couple-sympathetic-drive-and-immune-system-activation
#3
Marialuisa Perrotta, Andrea Lori, Lorenzo Carnevale, Stefania Fardella, Giuseppe Cifelli, Roberta Iacobucci, Francesco Mastroiacovo, Daniele Iodice, Fabio Pallante, Marianna Storto, Giuseppe Lembo, Daniela Carnevale
Aims: Chronic increase of mineralocorticoids obtained by administration of Deoxycorticosterone acetate (DOCA) results in salt dependent hypertension in animals. Despite the lack of a generalized sympathoexcitation, DOCA-salt hypertension has been also associated to overdrive of peripheral nervous system in organs typically targeted by blood pressure (BP), as kidneys and vasculature. Aim of this study was to explore whether DOCA-salt recruits immune system by overactivating sympathetic nervous system in lymphoid organs and whether this is relevant for hypertension...
January 8, 2018: Cardiovascular Research
https://www.readbyqxmd.com/read/29321218/non-uniform-relationship-between-salt-status-and-aldosterone-activity-in-patients-with-chronic-kidney-disease
#4
Alison H M Taylor, Alastair J Rankin, Emily P McQuarrie, E Marie Freel, Natalie Z M Homer, Ruth Andrew, Alan G Jardine, Patrick B Mark
BACKGROUND: Hypertension is prevalent in chronic kidney disease (CKD). Studies suggest that reduction in dietary salt intake reduces blood pressure (BP). We studied relationships between salt intake, BP and renin angiotensin system regulation in order to establish if it is disordered in CKD. METHODS: Mechanistic crossover study of CKD patients versus non-CKD controls. Participants underwent modified saline suppression test prior to randomisation to either low or high salt diet for 5 days and then crossed over to the alternate diet...
January 10, 2018: Clinical Science (1979-)
https://www.readbyqxmd.com/read/29310971/the-relationship-of-health-food-literacy-and-salt-awareness-to-daily-sodium-and-potassium-intake-among-a-workplace-population-in-switzerland
#5
X Luta, S Hayoz, C Gréa Krause, K Sommerhalder, E Roos, P Strazzullo, S Beer-Borst
BACKGROUND AND AIMS: High sodium (Na) and low potassium (K) intake are associated with hypertension and CVD risk. This study explored the associations of health literacy (HL), food literacy (FL), and salt awareness with salt intake, K intake, and Na/K ratio in a workplace intervention trial in Switzerland. METHODS AND RESULTS: The study acquired baseline data from 141 individuals, mean age 44.6 years. Na and K intake were estimated from a single 24-h urine collection...
November 13, 2017: Nutrition, Metabolism, and Cardiovascular Diseases: NMCD
https://www.readbyqxmd.com/read/29307050/role-of-acetyl-salicylic-acid-in-controlling-the-doca-salt-induced-hypertension-in-rats-by-stimulating-the-synthesis-of-r-cortexin-in-the%C3%A2-kidney
#6
Uttam Kumar Maji, Pradipta Jana, Mitali Chatterjee, Sanmay Karmakar, Arup Saha, Tamal Kanti Ghosh
INTRODUCTION: Hypertension is a metabolic disease which is caused by vasoconstriction and that results into elevated blood pressure. A chronic hypertensive condition affects and even damages to various systems in the body. Presence of renal cortexin (r-cortexin), an antihypertensive protein, which is released from the kidney cortex controls the blood pressure. The effect of r-cortexin was mediated through nitric oxide (NO), a universal vasodilating agent. AIM: In our study, acetyl salicylic acid (aspirin), a well-known activator of the endothelial nitric oxide synthase (eNOS) induced r-cortexin synthesis...
January 6, 2018: High Blood Pressure & Cardiovascular Prevention: the Official Journal of the Italian Society of Hypertension
https://www.readbyqxmd.com/read/29302532/does-being-under-treatment-improve-knowledge-attitude-practice-for-hypertension-a-hospital-based-study-from-north-india
#7
Rajiv Kumar Gupta, Shahid Hussain, Zahida Parveen, Sunil Kumar Raina, Bhavna Langer, Rashmi Kumari
Background: Studies suggest that approximately half of patients with raised blood pressure (BP) are undetected, that half of those detected are not treated, and that half of those treated are not controlled, famously described as the "rule of halves." Importantly, the cornerstone of the primary prevention of cardiovascular diseases is early detection and drug treatment (antihypertensive) of patients with high BP. Studies across populations in developed world have shown that awareness and management of high BP levels are far from optimal...
April 2017: Journal of Family Medicine and Primary Care
https://www.readbyqxmd.com/read/29301002/should-we-eat-more-potassium-to-better-control-blood-pressure-in-hypertension
#8
Michel Burnier
Changes in lifestyle and nutrition are recommended as the first-step approach to the management of hypertension by all national and international guidelines. Today, when considering nutritional factors in hypertension, almost all the attention is focused on the reduction of salt intake to improve blood pressure (BP) control. Changes in potassium intake are only briefly evoked in guidelines. Few physicians actually think about proposing to eat more foods that are high in potassium (fruits, vegetables, nuts) to better control BP...
January 2, 2018: Nephrology, Dialysis, Transplantation
https://www.readbyqxmd.com/read/29298567/sodium-excretion-and-associated-factors-in-urine-samples-of-african-descendants-in-alc%C3%A3-ntara-brazil-a-population-based-study
#9
Elisângela Milhomem Dos Santos, Dyego José de Araújo Brito, Isabela Leal Calado, Ana Karina Teixeira França, Joyce Santos Lages, Francisco das Chagas Monteiro Junior, Alcione Miranda Dos Santos, Natalino Salgado Filho
In most countries, salt intake has been excessive and constitutes one of the main risk factors for disease development, especially hypertension. Factors such as age, gender, sedentary lifestyle, smoking, African descent, obesity, dietary habits and family history of hypertension may be associated with high blood pressure. Studies show a positive association between the excretion of sodium and increased blood pressure. We evaluated the urinary excretion of sodium and associated factors in isolated urine samples of African descendants from remaining Quilombos...
November 2018: Renal Failure
https://www.readbyqxmd.com/read/29296095/free-radical-scavenging-reverses-fructose-induced-salt-sensitive-hypertension
#10
Zachary P Zenner, Kevin L Gordish, William H Beierwaltes
We have previously reported that a moderate dietary supplementation of 20% fructose but not glucose leads to a salt-sensitive hypertension related to increased proximal sodium-hydrogen exchanger activity and increased renal sodium retention. We also found that while high salt increased renal nitric oxide formation, this was retarded in the presence of fructose intake. We hypothesized that at least part of the pathway leading to fructose-induced salt-sensitive hypertension could be due to fructose-induced formation of reactive oxygen species and inappropriate stimulation of renin secretion, all of which would contribute to an increase in blood pressure...
2018: Integrated Blood Pressure Control
https://www.readbyqxmd.com/read/29289651/neutrophil-gelatinase-associated-lipocalin-from-immune-cells-is-mandatory-for-aldosterone-induced-cardiac-remodeling-and-inflammation
#11
Mathieu Buonafine, Ernesto Martínez-Martínez, Cristian Amador, Basile Gravez, Jaime Ibarrola, Amaya Fernández-Celis, Soumaya El Moghrabi, Patrick Rossignol, Natalia López-Andrés, Frédéric Jaisser
Immune system activation is involved in cardiovascular (CV) inflammation and fibrosis, following activation of the mineralocorticoid receptor (MR). We previously showed that Neutrophil Gelatinase-Associated Lipocalin (NGAL) is a novel target of MR signaling in CV tissue and plays a critical role in aldosterone/MR-dependent hypertension and fibrosis. We hypothesized that the production of NGAL by immune cells may play an important part in the mediation of these deleterious mineralocorticoid-induced effects. We analyzed the effect of aldosterone on immune cell recruitment and NGAL expression in vivo...
December 28, 2017: Journal of Molecular and Cellular Cardiology
https://www.readbyqxmd.com/read/29285341/simulating-a-virtual-population-s-sensitivity-to-salt-and-uninephrectomy
#12
John S Clemmer, Robert L Hester, W Andrew Pruett
Salt sensitivity, with or without concomitant hypertension, is associated with increased mortality. Reduced functional renal mass plays an important role in causing salt-sensitive hypertension for many individuals. Factors that are important in the condition of decreased renal mass and how they affect blood pressure (BP) or salt sensitivity are unclear. We used HumMod, an integrative mathematical model of human physiology, to create a heterogeneous population of 1000 virtual patients by randomly varying physiological parameters...
February 6, 2018: Interface Focus
https://www.readbyqxmd.com/read/29278547/fenofibrate-attenuates-cardiac-and-renal-alterations-in-young-salt-loaded-spontaneously-hypertensive-stroke-prone-rats-through-mitochondrial-protection
#13
Laura Castiglioni, Alice Pignieri, Melania Fiaschè, Marco Giudici, Maurizio Crestani, Nico Mitro, Mauro Abbate, Carlamaria Zoja, Daniela Rottoli, Claudia Foray, Fabio Fiordaliso, Uliano Guerrini, Elena Tremoli, Luigi Sironi, Paolo Gelosa
OBJECTIVES: The simultaneous presence of cardiac and renal diseases is a pathological condition that leads to increased morbidity and mortality. Several lines of evidence have suggested that lipid dysmetabolism and mitochondrial dysfunction are pathways involved in the pathological processes affecting the heart and kidney. In the salt-loaded spontaneously hypertensive stroke-prone rat (SHRSP), a model of cardiac hypertrophy and nephropathy that shows mitochondrial alterations in the myocardium, we evaluated the cardiorenal effects of fenofibrate, a peroxisome proliferator-activated receptor alpha (PPARα) agonist that acts by modulating mitochondrial and peroxisomal fatty acid oxidation...
December 22, 2017: Journal of Hypertension
https://www.readbyqxmd.com/read/29278541/the-pivotal-role-of-renal-vasodysfunction-in-salt-sensitivity-and-the-initiation-of-salt-induced-hypertension
#14
Theodore W Kurtz, Stephen E DiCarlo, Michal Pravenec, R Curtis Morris
PURPOSE OF REVIEW: For decades, it has been widely accepted that initiation of salt-induced hypertension involves a type of kidney dysfunction (natriuretic handicap), which causes salt-sensitive subjects to initially excrete less of a sodium load than normal subjects and undergo abnormal increases in cardiac output, and therefore blood pressure. Here we discuss emerging views that renal vasodysfunction, not natriuretic dysfunction (subnormal sodium excretion), is usually a critical factor initiating salt-induced hypertension...
December 22, 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/29276908/-correlations-of-il-18-and-il-6-with-sodium-consumption-in-patients-with-arterial-hypertension-and-diabetes-mellitus
#15
G P Arutyunov, D O Dragunov, A V Sokolova, V M Mitrokhin, A G Kamkin, T V Latyshev
AIM: To determine correlations of AH-associated interleukins (IL-18, IL-6) with sodium consumption in AH patients with and without DM. MATERIALS AND METHODS: The study included AH patients with and without DM (n=63) who were managed at the Municipal Clinic #64, Moscow Department of Health Care, Branch 1. Plasma levels of IL-6 and IL-18 were measured using ELISA kits (Bender Med-Systems). Salt consumption was determined using a Charlton: SaltScreener questionnaire...
2017: Kardiologiia
https://www.readbyqxmd.com/read/29246398/doca-salt-hypertension-alters-period1-and-orexin-related-gene-expression-in-the-medulla-and-hypothalamus-of-male-rats-diurnal-influences
#16
M E Hernandez, J M Watkins, J Vu, L F Hayward
In peripheral tissues, aldosterone alters expression of multiple genes, including the clock gene Period 1 (Per1), 11 beta-hydroxysteroid dehydrogenase-2 (11-HSD2), and α-ENAC, the epithelial sodium channel subunit. We evaluated the impact of chronic aldosterone exposure (DOCA) and salt intake on nocturnal changes in gene expression in the male Sprague Dawley rat brain. Additionally, genes associated with the orexin (ORX) system were also evaluated based on the role of this neuropeptide in arousal, feeding and hypertension and an interconnection with Per1 expression...
December 9, 2017: Autonomic Neuroscience: Basic & Clinical
https://www.readbyqxmd.com/read/29243056/association-between-urinary-sodium-and-potassium-excretion-and-blood-pressure-and-inflammation-in-patients-with-rheumatoid-arthritis
#17
Daniel Carranza-Leon, Rany Octaria, Michelle J Ormseth, Annette Oeser, Joseph F Solus, Yahua Zhang, Chimalum R Okafor, Jens Titze, C Michael Stein, Cecilia P Chung
Hypertension is highly prevalent in patients with rheumatoid arthritis (RA). In other populations, high sodium (Na+) and low potassium (K+) intake are associated with an increased risk of hypertension, and in animal models, a high salt intake exacerbated arthritis. Patients with RA have many comorbidities associated with salt sensitivity, but their salt intake and its relationship to blood pressure and inflammation is unknown. Using the Kawasaki formula, Na+ and K+ urinary excretion (reflecting intake) was estimated in 166 patients with RA and 92 controls, frequency matched for age, sex, and race...
December 14, 2017: Clinical Rheumatology
https://www.readbyqxmd.com/read/29238170/adherence-to-treatment-and-evaluation-of-disease-and-therapy-knowledge-in-lebanese-hypertensive-patients
#18
Hanine Abbas, Mazen Kurdi, Myriam Watfa, Rita Karam
Background: Adherence to treatment, healthy lifestyle, physical activities, smoking, diet, and salt intake are important factors to control for an effective decrease in blood pressure (BP) values for patients diagnosed with essential hypertension (HT). The aim of this work was to study the adherence to antihypertensive treatment and factors predicting this behavior in Lebanese patients. In addition, we evaluated the extent of patient's knowledge and perceptions about HT, risk factors, and medication side effects...
2017: Patient Preference and Adherence
https://www.readbyqxmd.com/read/29236227/loss-of-vascular-expression-of-nucleoside-triphosphate-diphosphohydrolase-1-cd39-in-hypertension
#19
Charlotte Roy, Julie Tabiasco, Antoine Caillon, Yves Delneste, Jean Merot, Julie Favre, Anne Laure Guihot, Ludovic Martin, Daniele C Nascimento, Bernhard Ryffel, Simon C Robson, Jean Sévigny, Daniel Henrion, Gilles Kauffenstein
Ectonucleoside triphosphate diphosphohydrolase-1, the major vascular/immune ectonucleotidase, exerts anti-thrombotic and immunomodulatory actions by hydrolyzing extracellular nucleotides (danger signals). Hypertension is characterized by vascular wall remodeling, endothelial dysfunction, and immune infiltration. Here our aim was to investigate the impact of arterial hypertension on CD39 expression and activity in mice. Arterial expression of CD39 was determined by reverse transcription quantitative real-time PCR in experimental models of hypertension, including angiotensin II (AngII)-treated mice (1 mg/kg/day, 21 days), deoxycorticosterone acetate-salt mice (1% salt and uninephrectomy, 21 days), and spontaneously hypertensive rats...
December 13, 2017: Purinergic Signalling
https://www.readbyqxmd.com/read/29232668/revised-reference-values-for-the-intake-of-sodium-and-chloride
#20
Daniela Strohm, Angela Bechthold, Sabine Ellinger, Eva Leschik-Bonnet, Peter Stehle, Helmut Heseker
BACKGROUND: In January 2017, the nutrition societies of -Germany, Austria and Switzerland revised the reference values for sodium and chloride intake. METHODS: For adults, the estimated value for sodium intake was derived on the basis of a balance study. The estimated values for children and adolescents were extrapolated from this estimated value considering differences in body mass. For infants aged 0 to under 4 months, an estimated value was set based on the sodium intake via breast milk...
December 12, 2017: Annals of Nutrition & Metabolism
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