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https://www.readbyqxmd.com/read/28822968/mineralocorticoids-the-secret-of-muscle-reflex-dysfunction-in-hypertension
#1
Han-Jun Wang
Not Applicable.
August 19, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/28822115/comments-on-lyubarova-r-and-gosmanova-e-o-mineralocorticoid-receptor-blockade-in-end-stage-renal-disease-current-hypertension-reports-2017-19-5
#2
REVIEW
Alain Gay, Peter Kolkhof
No abstract text is available yet for this article.
August 18, 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28818058/evaluation-of-therapy-management-and-outcome-in-takotsubo-syndrome
#3
Nadine Abanador-Kamper, Lars Kamper, Judith Wolfertz, Witali Pomjanski, Anamaria Wolf-Pütz, Melchior Seyfarth
BACKGROUND: To date there is no validated evidence for standardized treatment of patients with Takotsubo syndrome (TTS). Medication therapy after final TTS diagnosis remains unclear. Previous data on patient outcome is ambivalent. Aim of this study was to evaluate medication therapy in TTS and to analyze patient outcome. METHODS: Within an observational retrospective cohort study we analyzed our medical records and included 72 patients with TTS that underwent cardiovascular magnetic resonance imaging (CMR) after a median of 2 days interquartile range (IQR 1-3...
August 17, 2017: BMC Cardiovascular Disorders
https://www.readbyqxmd.com/read/28816849/steroids-redux-targeting-the-mineralocorticoid-axis-in-sepsis
#4
John C Marshall
No abstract text is available yet for this article.
September 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28815318/-adrenal-crisis
#5
REVIEW
S Burger-Stritt, S Hahner
Patients with chronic adrenal insufficiency suffer from reduced quality of life and increased mortality. An association between mortality and adrenal crisis is assumed. The frequency of adrenal crisis is about 8/100 patient years. The main causes are infectious disease. Pathophysiology is poorly understood to date. An association with an exaggerated inflammatory response due to a lack of glucocorticoid modulation as well as mineralocorticoid deficiency and diminished adrenomedullary function are discussed. The therapy of adrenal crisis includes prompt parenteral administration of hydrocortisone combined with isotonic saline...
August 16, 2017: Der Internist
https://www.readbyqxmd.com/read/28814383/high-resolution-accurate-mass-hram-mass-spectrometry-urine-steroid-profiling-in-the-diagnosis-of-adrenal-disorders
#6
Jolaine M Hines, Irina Bancos, Cristian Bancos, Raman D Singh, Aditya V Avula, William F Young, Stefan K Grebe, Ravinder J Singh
BACKGROUND: Steroid profiling is a promising diagnostic tool for those with adrenal tumors, Cushing syndrome (CS), and disorders of steroidogenesis. Our objective was to develop a multiple-steroid assay using liquid-chromatography, high-resolution, accurate-mass mass spectrometry (HRAM LC-MS) and to validate the assay in patients with various adrenal disorders. METHODS: We collected 24-h urine samples from 114 controls and 71 patients with adrenal diseases. An HRAM LC-MS method was validated for quantitative analysis of 26 steroid metabolites in hydrolyzed urine samples...
August 16, 2017: Clinical Chemistry
https://www.readbyqxmd.com/read/28814143/ly3045697-results-from-two-randomized-clinical-trials-of-a-novel-inhibitor-of-aldosterone-synthase
#7
Joanne Sloan-Lancaster, Eyas Raddad, Amy Flynt, Yan Jin, James Voelker, Jeffrey W Miller
INTRODUCTION: LY3045697 is a potent and selective aldosterone synthase (CYP11B2) inhibitor that was developed as a safer alternative to mineralocorticoid receptor antagonists. Effects of LY3045697 on aldosterone and cortisol synthesis, as well as potassium ion homeostasis, were evaluated in two clinical studies in healthy subjects. MATERIALS AND METHODS: Two incomplete, placebo-controlled crossover-design clinical studies examined safety, pharmacodynamics, and pharmacokinetics under single and repeated dose conditions in healthy subjects...
July 2017: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/28808323/stress-hormone-rapidly-tunes-synaptic-nmda-receptor-through-membrane-dynamics-and-mineralocorticoid-signalling
#8
Lenka Mikasova, Hui Xiong, Amber Kerkhofs, Delphine Bouchet, Harm J Krugers, Laurent Groc
Stress hormones, such as corticosteroids, modulate the transmission of hippocampal glutamatergic synapses and NMDA receptor (NMDAR)-dependent synaptic plasticity, favouring salient behavioural responses to the environment. The corticosterone-induced synaptic adaptations partly rely on changes in NMDAR signalling, although the cellular pathway underlying this effect remains elusive. Here, we demonstrate, using single molecule imaging and electrophysiological approaches in hippocampal neurons, that corticosterone specifically controls GluN2B-NMDAR surface dynamics and synaptic content through mineralocorticoid signalling...
August 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28801620/a-novel-aldosterone-antagonist-limits-renal-injury-in-5-6-nephrectomy
#9
Clarice K Fujihara, M C Kowala, M D Breyer, Claudia R Sena, Mariliza V Rodrigues, Simone C A Arias, Camilla Fanelli, Denise M Malheiros, P K Jadhav, Chahrzad Montrose-Rafizadeh, Jose E Krieger, Roberto Zatz
Aldosterone antagonists slow the progression of chronic kidney disease (CKD), but their use is limited by hyperkalemia, especially when associated with RAS inhibitors. We examined the renoprotective effects of Ly, a novel non-steroidal mineralocorticoid receptor (MR) blocker, through two experimental protocols: In Protocol 1, male Munich-Wistar rats underwent 5/6 renal ablation (Nx), being divided into: Nx+V, receiving vehicle, Nx+Eple, given eplerenone, 150 mg/kg/day, and Nx+Ly, given Ly, 20 mg/kg/day...
August 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28798899/diagnosed-a-patient-with-central-serous-chorioretinopathy-now-what-management-of-central-serous-chorioretinopathy
#10
Brian E Goldhagen, Raquel Goldhardt
PURPOSE OF REVIEW WHAT IS THE GOAL OF YOUR PAPER? WHAT QUESTIONS DID YOU SEEK TO ANSWER?: The goal of this paper is to provide a comprehensive review of the management options for central serous chorioretinopathy (CSCR). RECENT FINDINGS SUMMARIZE THE LATEST RESEARCH ON YOUR TOPIC: The majority of cases of acute CSCR may be managed with observation and cessation of corticosteroids, if possible, as well as life-style modifications including stress reduction and control of hypertension...
June 2017: Current Ophthalmology Reports
https://www.readbyqxmd.com/read/28797603/chronic-traumatic-stress-impairs-memory-in-mice-potential-roles-of-acetylcholine-neuroinflammation-and-corticotropin-releasing-factor-expression-in-the-hippocampus
#11
Ami Bhakta, Kartheek Gavini, Euitaek Yang, Lani Lyman-Henley, Kodeeswaran Parameshwaran
Chronic stress in humans can result in multiple adverse psychiatric and neurobiological outcomes, including memory deficits. These adverse outcomes can be more severe if each episode of stress is very traumatic. When compared to acute or short term stress relatively little is known about the effects of chronic traumatic stress on memory and molecular changes in hippocampus, a brain area involved in memory processing. Here we studied the effects of chronic traumatic stress in mice by exposing them to adult Long Evan rats for 28 consecutive days and subsequently analyzing behavioral outcomes and the changes in the hippocampus...
August 8, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28797006/amiloride-is-effective-in-the-management-of-abiraterone-induced-mineralocorticoid-excess-syndrome-without-interfering-with-its-antineoplastic-activity
#12
Francesca Bedussi, Diego Galli, Martina Fragni, Francesca Valcamonico, Elisa Rossini, Alberto Dalla Volta, Sara Vezzoli, Elisa Roca, Vittorio Ferrari, Barbara Lazzari, Maurizio Memo, Sandra Sigala, Alfredo Berruti
BACKGROUND: The administration of abiraterone acetate (abiraterone) leads to an adrenocorticotropic hormone (ACTH)-driven increase in mineralocorticoid hormones, requiring glucocorticoid supplementation that may stimulate the growth of prostate cancer (PCa). Amiloride is a drug that selectively reduces the aldosterone-sensitive Na+/K+ exchange and could be effective in the management of mineralocorticoid excess syndrome (MCES). METHODS: The efficacy of amiloride + hydrochlorothiazide (HCT) in the clinical management of abiraterone-induced MCES was assessed in 5 consecutive patients with castration-resistant PCa (CRPC)...
August 11, 2017: Pharmacology
https://www.readbyqxmd.com/read/28795340/vertebral-fractures-assessed-with-dual-energy-x-ray-absorptiometry-in-patients-with-addison-s-disease-on-glucocorticoid-and-mineralocorticoid-replacement-therapy
#13
Valentina Camozzi, Corrado Betterle, Anna Chiara Frigo, Veronica Zaccariotto, Martina Zaninotto, Erica De Caneva, Paola Lucato, Walter Gomiero, Silvia Garelli, Chiara Sabbadin, Monica Salvà, Miriam Dalla Costa, Marco Boscaro, Giovanni Luisetto
PURPOSE: to assess bone damage and metabolic abnormalities in patients with Addison's disease given replacement doses of glucocorticoids and mineralocorticoids. METHODS: A total of 87 patients and 81 age-matched and sex-matched healthy controls were studied. The following parameters were measured: urinary cortisol, serum calcium, phosphorus, creatinine, 24-h urinary calcium excretion, bone alkaline phosphatase, parathyroid hormone, serum CrossLaps, 25 hydroxyvitamin D, and 1,25 dihydroxyvitamin D...
August 9, 2017: Endocrine
https://www.readbyqxmd.com/read/28794569/cortisol-homeostasis-in-the-epidermis-is-influenced-by-topical-corticosteroids-in-patients-with-atopic-dermatitis
#14
Mototsugu Fukaya
BACKGROUND: The skin produces cortisol by itself and regulates its own proliferation and differentiation. There is a possibility that topical corticosteroids (TCSs) influence the cortisol homeostasis in the skin. AIMS AND OBJECTIVES: The author described the density and distribution of cortisol and its parties in the epidermis after application of topical steroids immunohistologically. MATERIALS AND METHODS: The forearm skin was biopsied before and after 2 weeks' application of clobetasol propionate 0...
July 2017: Indian Journal of Dermatology
https://www.readbyqxmd.com/read/28794160/primary-aldosteronism-as-a-cause-of-secondary-osteoporosis
#15
Antonio Stefano Salcuni, Vincenzo Carnevale, Claudia Battista, Serena Palmieri, Cristina Eller-Vainicher, Vito Guarnieri, Flavia Pugliese, Giuseppe Guglielmi, Gaetano Desina, Salvatore Minisola, Iacopo Chiodini, Alfredo Scillitani
OBJECTIVE: Patients with primary aldosteronism (PA) have a high prevalence of osteoporosis (OP) and fractures (Fx). We evaluated the presence of PA in patients admitted to our metabolic bone disease outpatient clinic. DESIGN: Study conducted on an in- and outpatient basis in a referral Italian endocrinology unit. METHODS: A total of 2632 patients were evaluated. 2310 were excluded because they were taking drugs known to affect bone or mineralocorticoids metabolism, or were diagnosed to have a secondary cause of osteoporosis...
August 8, 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28791529/effects-of-raas-inhibitors-in-patients-with-kidney-disease
#16
REVIEW
Fan Zhang, Hong Liu, Di Liu, Yexin Liu, Huiqiong Li, Xia Tan, Fuyou Liu, Youming Peng, Hongqing Zhang
Proteinuria and decline of renal function are associated with progression of kidney disease. The Renin Angiotensin Aldosterone System (RAAS) plays an important role in blood pressure regulation, fluid volume, and sodium balance. Overactivity of RAAS contributes to the pathogenesis of a variety of clinical conditions including progress of chronic kidney disease (CKD). This review summarizes the use of RAAS inhibitors as dual therapy or monotherapy in different stages of kidney disease. Experimental and clinical studies have demonstrated RAAS inhibitors prevent proteinuria, kidney fibrosis and slow decline of renal function and thus play a protective role in both early and end stages of kidney disease...
August 8, 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28780577/drug-treatment-effects-on-outcomes-in-heart-failure-with-preserved-ejection-fraction-a-systematic-review-and-meta-analysis
#17
Sean Lee Zheng, Fiona T Chan, Adam A Nabeebaccus, Ajay M Shah, Theresa McDonagh, Darlington O Okonko, Salma Ayis
BACKGROUND: Clinical drug trials in patients with heart failure and preserved ejection fraction have failed to demonstrate improvements in mortality. METHODS: We systematically searched Medline, Embase and the Cochrane Central Register of Controlled Trials for randomised controlled trials (RCT) assessing pharmacological treatments in patients with heart failure with left ventricular (LV) ejection fraction≥40% from January 1996 to May 2016. The primary efficacy outcome was all-cause mortality...
August 5, 2017: Heart: Official Journal of the British Cardiac Society
https://www.readbyqxmd.com/read/28777913/enhanced-stress-response-in-5-ht1ar-overexpressing-mice-altered-hpa-function-and-hippocampal-long-term-potentiation
#18
Fuencisla Pilar-Cuellar, Rebeca Vidal Casado, Alvaro Diaz, Emilio Garro-Martinez, Raquel Linge, Elena Castro, Robert Haberzettl, Heidrun Fink, Bettina Bert, Jan Brosda, Beatriz Romero, Benedicto Crespo Facorro, Angel Pazos
Postsynaptic 5-HT1A receptors (5-HT1AR) play an important role in anxiety and stress, although their contribution is still controversial. Previous studies report that mice overexpressing postsynaptic 5-HT1ARs show no changes in basal anxiety, though the influence of stress conditions has not been addressed yet. In this study, we used this animal model to evaluate the role of 5-HT1ARs in anxiety response after pre-exposition to an acute stressor. Under basal conditions, 5-HT1AR overexpressing animals presented high corticosterone levels and a lower mineralocorticoid/glucocorticoid receptor ratio...
August 4, 2017: ACS Chemical Neuroscience
https://www.readbyqxmd.com/read/28771453/nonsteroidal-mineralocorticoid-antagonists-in-diabetic-kidney-disease
#19
Farheen K Dojki, George Bakris
PURPOSE OF REVIEW: Current data highlight the pathological aspects of excess aldosterone in promoting glomerular hypertrophy, glomerulosclerosis, and proteinuria in diabetic kidney disease (DKD). The role of nonsteroidal mineralocorticoid receptor antagonists (MRAs) in DKD is being evaluated in ongoing clinical trials. RECENT FINDINGS: Recent studies demonstrate beneficial effects of adding MRAs to the treatment regimen of patients with type 2 diabetes with nephropathy...
September 2017: Current Opinion in Nephrology and Hypertension
https://www.readbyqxmd.com/read/28769873/targeting-obesity-and-diabetes-to-treat-heart-failure-with-preserved-ejection-fraction
#20
REVIEW
Raffaele Altara, Mauro Giordano, Einar S Nordén, Alessandro Cataliotti, Mazen Kurdi, Saeed N Bajestani, George W Booz
Heart failure with preserved ejection fraction (HFpEF) is a major unmet medical need that is characterized by the presence of multiple cardiovascular and non-cardiovascular comorbidities. Foremost among these comorbidities are obesity and diabetes, which are not only risk factors for the development of HFpEF, but worsen symptoms and outcome. Coronary microvascular inflammation with endothelial dysfunction is a common denominator among HFpEF, obesity, and diabetes that likely explains at least in part the etiology of HFpEF and its synergistic relationship with obesity and diabetes...
2017: Frontiers in Endocrinology
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