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https://www.readbyqxmd.com/read/29044678/preliminary-investigation-of-orally-administered-benazepril-in-horses-with-left-sided-valvular-regurgitation
#1
T Afonso, S Giguère, S A Brown, M H Barton, G Rapoport, M Barba, K A Dembek, R E Toribio, A E Coleman
BACKGROUND: Despite the paucity of data available, orally administered angiotensin-converting enzyme (ACE) inhibitors are empirically used in horses with valvular regurgitation. OBJECTIVE: Evaluate the echocardiographic and hormonal changes in response to oral benazepril in horses with left-sided valvular regurgitation. STUDY DESIGN: Prospective, randomised double-blind, placebo-controlled trial. METHODS: Horses with mitral valve (MR) and/or aortic valve regurgitation (AR) received oral benazepril (n = 6) at a dosage of 1 mg/kg q 12h or a placebo (n = 5) for 28 days...
October 17, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28993502/cardiovascular-effects-of-renal-distal-tubule-deletion-of-the-fgf-receptor-1-gene
#2
Xiaobin Han, Jed Ross, Ganesh Kolumam, Min Pi, Junichiro Sonoda, Gwendalyn King, L Darryl Quarles
The bone-derived hormone fibroblast growth factor-23 (FGF-23) activates complexes composed of FGF receptors (FGFRs), including FGFR1, and α-Klotho in the kidney distal tubule (DT), leading to increased sodium retention and hypertension. However, the role of FGFR1 in regulating renal processes linked to hypertension is unclear. Here, we investigated the effects of selective FGFR1 loss in the DT. Conditional knockout (cKO) of FGFR1 in the DT (FGFR1(DT-cKO) mice) resulted in left ventricular hypertrophy (LVH) and decreased kidney expression of α-Klotho in association with enhanced BP, decreased expression of angiotensin converting enzyme 2, and increased expression of the Na(+)-K(+)-2Cl(-) cotransporter...
October 9, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28929450/intrarenal-angiotensin-converting-enzyme-the-old-and-the-new
#3
REVIEW
Silas Culver, Caixia Li, Helmy M Siragy
PURPOSE OF REVIEW: The intrarenal renin-angiotensin-aldosterone system (RAS) is an independent paracrine hormonal system with an increasingly prominent role in hypertension and renal disease. Two enzyme components of this system are angiotensin-converting enzyme (ACE) and more recently discovered ACE2. The purpose of this review is to describe recent discoveries regarding the roles of intrarenal ACE and ACE2 and their interaction. RECENT FINDINGS: Renal tubular ACE contributes to salt-sensitive hypertension...
September 19, 2017: Current Hypertension Reports
https://www.readbyqxmd.com/read/28841357/abscisic-acid-aba-and-key-proteins-in-its-perception-and-signaling-pathways-are-ancient-but-their-roles-have-changed-through-time
#4
Frances C Sussmilch, Nadia M Atallah, Timothy J Brodribb, Jo Ann Banks, Scott A M McAdam
Homologs of the Arabidopsis core abscisic acid (ABA) signaling component OPEN STOMATA1 (OST1) are best known for their role in closing stomata in angiosperm species. We recently characterized a fern OST1 homolog, GAMETOPHYTES ABA INSENSITIVE ON ANTHERDIOGEN 1 (GAIA1), which is not required for stomatal closure in ferns, consistent with physiologic evidence that shows the stomata of these plants respond passively to changes in leaf water status. Instead, gaia1 mutants reveal a critical role in ABA signaling for spore dormancy and sex determination, in a system regulated by antagonism between ABA and the gibberellin (GA)-derived fern hormone antheridiogen (ACE)...
August 25, 2017: Plant Signaling & Behavior
https://www.readbyqxmd.com/read/28808443/angiotensin-converting-enzyme-inhibition-and-parathyroid-hormone-secretion
#5
Sarah Zaheer, Jenifer M Brown, Molly Connors, Jonathan S Williams, Gail K Adler, Anand Vaidya
BACKGROUND: Prior studies suggest that renin-angiotensin-aldosterone system (RAAS) inhibitors decrease parathyroid hormone (PTH) secretion. OBJECTIVE: To evaluate the effect of angiotensin-converting enzyme inhibitors (ACEi) on serum PTH in participants with and without primary hyperparathyroidism (P-HPT). METHODS: An open-label, single-arm, pilot study whereby participants with and without P-HPT had PTH were evaluated before and after 1 week of maximally tolerated lisinopril therapy...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28765418/the-emergence-of-sarcopenia-as-an-important-entity-in-older-people
#6
Natalie J Offord, Miles D Witham
Sarcopenia refers to the loss of muscle mass and strength seen with advancing age. The pathophysiology is multifactorial, with loss of muscle satellite cells, changes in hormonal systems, chronic inflammation, oxidative stress and anabolic resistance to protein utilisation all implicated. Older age, female sex and immobility are important risk factors. Sarcopenia is clinically important as it is a major risk factor for physical frailty, falls, prolonged hospitalisation, dependency and earlier death. Diagnosis requires evidence of reduced muscle mass measured by handgrip strength or walk speed, together with evidence of low muscle mass, measured by one of a variety of techniques such as bioimpedance analysis or dual X-ray absorptiometry...
July 2017: Clinical Medicine: Journal of the Royal College of Physicians of London
https://www.readbyqxmd.com/read/28755550/impact-of-early-life-adversity-and-tryptophan-depletion-on-functional-connectivity-in-menopausal-women-a-double-blind-placebo-controlled-crossover-study
#7
Sheila Shanmugan, Theodore D Satterthwaite, Mary D Sammel, Wen Cao, Kosha Ruparel, Ruben C Gur, C Neill Epperson, James Loughead
During the menopause transition, women are at increased risk of subjective symptoms of executive dysfunction. Evidence from animal and human participant studies suggests adverse childhood experiences (ACE) may be a risk factor for executive complaints during this hormonal transition. Preclinical literature indicates early life adversity effects on serotonin function may play a role in this increased susceptibility. However, the mechanisms underlying this increase in vulnerability in human participants remain relatively unknown...
October 2017: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/28717364/serum-free-thyroxine-levels-were-associated-with-pulmonary-hypertension-and-pulmonary-artery-systolic-pressure-in-euthyroid-patients-with-coronary-artery-disease
#8
Bingjie Wu, Jingjing Jiang, Minghui Gui, Lin Liu, Qiqige Aleteng, Shanshan Wang, Xiaojing Liu, Yan Ling, Xin Gao
The aim of this study was to evaluate the association between thyroid hormone levels, pulmonary hypertension (PH), and pulmonary artery systolic pressure (PASP) in euthyroid patients with coronary artery disease (CAD). A cross-sectional study was conducted in individuals who underwent coronary angiography and were diagnosed as CAD from March 2013 to November 2013. 811 subjects (185 women and 626 men) were included in this study. PASP was measured by transthoracic Doppler echocardiography. 86 patients were diagnosed as PH and had significantly higher free thyroxine (FT4) levels than those without PH...
2017: International Journal of Endocrinology
https://www.readbyqxmd.com/read/28661206/protective-regulation-of-the-ace2-ace-gene-expression-by-estrogen-in-human-atrial-tissue-from-elderly-men
#9
A Bukowska, L Spiller, C Wolke, U Lendeckel, S Weinert, J Hoffmann, P Bornfleth, I Kutschka, A Gardemann, B Isermann, A Goette
Data from animal experiments and clinical investigations suggest that components of the renin-angiotensin system are markedly affected by sex hormones. However, whether estrogen affects human atrial myocardium has not been investigated yet. In this study, we determined the effects of estrogen on key components of atrial renin-angiotensin system: angiotensin-converting enzyme, responsible for generation of angiotensin II and angiotensin-converting enzyme 2, counteracting majority of AngII effects, and different renin-angiotensin system receptors, AT1R, AT2R, and MAS...
August 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28617535/research-on-the-protective-effects-of-antioxidants-on-metabolic-syndrome-induced-by-thyroid-dysfunction
#10
Y Chen, Z Zhou, X-X Li, T Wang
OBJECTIVE: This paper researches on the protective effects of antioxidants on metabolic syndrome induced by thyroid dysfunction. While the role of Lipoic acid (LA), Resveratrol (R) and Quercetin (Q) are recognized, the mechanisms for their ameliorative effects are partially understood. Therefore, the objective of this study was to determine the prevalence of MS among university workers and to examine the relationship with thyroid function and mechanisms for protective effects of LA, Resveratrol and Quercetin on the heart, kidneys and lungs...
May 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28488321/the-renin-angiotensin-aldosterone-system-in-greyhounds-and-non-greyhound-dogs
#11
J Martinez, C Kellogg, M C Iazbik, C G Couto, B M Pressler, T M Hoepf, M J Radin
BACKGROUND: The renin-angiotensin-aldosterone system (RAAS) regulates blood pressure, electrolyte homeostasis, and renal function. Blood pressure, serum sodium concentrations, and urinary albumin excretion are higher in Greyhounds than other purebred and mixed-breed dogs. HYPOTHESIS: Alterations in the RAAS in Greyhounds are associated with hemodynamic and clinicopathologic differences observed in the breed. ANIMALS: Clinically healthy Greyhound and non-Greyhound dogs consecutively enrolled as blood donors (n = 20/group)...
July 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28486091/angiotensin-receptors-in-dupuytren-s-disease-a-target-for-pharmacological-treatment
#12
Christopher Stephen, Leila Touil, Partha Vaiude, Jaipaul Singh, Stuart McKirdy
BACKGROUND: Attempts at the pharmacological treatment of Dupuytren's disease have so far been unsuccessful, and the disease is not yet fully understood on a cellular level. The Renin-Angiotensin System has long been understood to play a circulating hormonal role. However, there is much evidence showing Angiotensin II to play a local role in wound healing and fibrosis, with ACE inhibitors being widely used as an anti-fibrotic agent in renal and cardiac disease. METHODS: This study was designed to investigate the presence of Angiotensin II receptors 1 (AT1) and 2 (AT2) in Dupuytren's tissue to form a basis for further study into the pharmacological treatment of this condition...
May 9, 2017: Journal of Plastic Surgery and Hand Surgery
https://www.readbyqxmd.com/read/28437620/american-association-of-clinical-endocrinologists-and-american-college-of-endocrinology-guidelines-for-management-of-dyslipidemia-and-prevention-of-cardiovascular-disease
#13
Paul S Jellinger, Yehuda Handelsman, Paul D Rosenblit, Zachary T Bloomgarden, Vivian A Fonseca, Alan J Garber, George Grunberger, Chris K Guerin, David S H Bell, Jeffrey I Mechanick, Rachel Pessah-Pollack, Kathleen Wyne, Donald Smith, Eliot A Brinton, Sergio Fazio, Michael Davidson
OBJECTIVE: The development of these guidelines is mandated by the American Association of Clinical Endocrinologists (AACE) Board of Directors and American College of Endocrinology (ACE) Board of Trustees and adheres with published AACE protocols for the standardized production of clinical practice guidelines (CPGs). METHODS: Recommendations are based on diligent reviews of the clinical evidence with transparent incorporation of subjective factors, according to established AACE/ACE guidelines for guidelines protocols...
April 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28432191/gene-expression-effects-of-glucocorticoid-and-mineralocorticoid-receptor-agonists-and-antagonists-on-normal-human-skeletal-muscle
#14
Jessica A Chadwick, J Spencer Hauck, Celso E Gomez-Sanchez, Elise P Gomez-Sanchez, Jill A Rafael-Fortney
Mineralocorticoid and glucocorticoid receptors are closely related steroid hormone receptors that regulate gene expression through many of the same hormone response elements. However, their transcriptional activities and effects in skeletal muscles are largely unknown. We recently identified mineralocorticoid receptors (MR) in skeletal muscles after finding that combined treatment with the angiotensin-converting enzyme inhibitor lisinopril and MR antagonist spironolactone was therapeutic in Duchenne muscular dystrophy mouse models...
June 1, 2017: Physiological Genomics
https://www.readbyqxmd.com/read/28423630/insufficient-hypothalamic-angiotensin-converting-enzyme-2-is-associated-with-hypertension-in-shr-rats
#15
Kun Wang, Yuanyuan Xu, Weiwei Yang, Yuanshu Zhang
Angiotensin-Converting Enzyme 2 (ACE2) is a key enzyme in the renin-angiotensin system (RAS), which is implicated in the pathogenesis of hypertension and other cardiovascular diseases. In this study we investigated the expression of ACE2 in the hypothalamus and pituitary tissues and its relationship to hypertension by comparing them in male WKY and SHR rats. We observed that the plasma levels of corticotrophin releasing hormone (CRH), adrenocorticotropic hormone (ACTH) and aldosterone (ALD) were all lower in SHR than WKY rats (P<0...
March 21, 2017: Oncotarget
https://www.readbyqxmd.com/read/28379580/association-of-tsh-with-cardiovascular-disease-risk-in-overweight-and-obese-children-during-lifestyle-intervention
#16
Jesse M Rijks, Jogchum Plat, Elke Dorenbos, Bas Penders, Willem-Jan M Gerver, Anita C E Vreugdenhil
Context: Overweight and obese children have an increased risk to develop cardiovascular diseases (CVDs) in which thyroid-stimulating hormone (TSH) has been suggested as an intermediary factor. However, results of cross-sectional studies are inconclusive, and intervention studies investigating changes in TSH concentrations in association with changes in cardiovascular risk parameters in overweight and obese children are scarce. Objective: To gain insight in associations of circulating TSH concentrations and cardiovascular risk parameters in overweight and obese children...
June 1, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28337901/cardiopathy-and-osteoporosis-the-epidemiology-in-a-region-of-italy
#17
A Notarnicola, G Maccagnano, L Moretti, S Tafuri, B Moretti
Cardiopathies and osteoporosis are inter-related due to pathogenetic, hormonal, genetic features as well as an increased risk of fragility. An important feature is attributed to the process of atherosclerosis, which is responsible for an osteopenia effect and degeneration of vascular walls. To date the study populations have been limited. To verify the incidence of cardio-vascular disease in a larger osteoporotic population, we designed a retrospective clinical study analyzing the “Hospital Discharge Data” (HDD) in Apulia between 2006 and 2010...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28321269/exploratory-analysis-of-osteoarthritis-progression-among-medication-users-data-from-the-osteoarthritis-initiative
#18
Jeffrey B Driban, Grace H Lo, Charles B Eaton, Kate L Lapane, Michael Nevitt, William F Harvey, Charles E McCulloch, Timothy E McAlindon
BACKGROUND: We conducted an exploratory analysis of osteoarthritis progression among medication users in the Osteoarthritis Initiative to identify interventions or pathways that may be associated with disease modification and therefore of interest for future clinical trials. METHODS: We used participants from the Osteoarthritis Initiative with annual medication inventory data between the baseline and 36-month follow-up visit (n = 2938). Consistent medication users were defined for each medication classification as a participant reporting at all four annual visits that they were regularly using an oral prescription medication at the time of the visit...
December 2016: Therapeutic Advances in Musculoskeletal Disease
https://www.readbyqxmd.com/read/28290905/-therapy-of-high-risk-patients-after-decompensation-of-heart-failure-under-nt-probnp-control-main-results
#19
A A Skvortsov, D E Koshkina, O Yu Narusov, V N Protasov, V P Masenko, S N Tereshchenko
AIM: to compare efficacy of treatment of high risk patients after acute decompensation (AD) of chronic heart failure (CHF) based on monitoring of NT-proBNP concentration and standard treatment. MATERIAL AND METHODS: Patients (n=100) with class III-IV CHF and left ventricular ejection fraction (LV EF) <40% due to ischemic heart disease (IHD), dilated cardiomyopathy (DCMP), or arterial hypertension (AH) after compensation of HF before discharge were distributed into groups of low (NT-proBNP <1400 picog/ml, n=30) or high (NT-proBNP more or equal 1400 picog/ml, n=70) risk...
July 2016: Kardiologiia
https://www.readbyqxmd.com/read/28247316/selecting-potential-pharmacological-interventions-in-sarcopenia
#20
REVIEW
Amanda J Kilsby, Avan A Sayer, Miles D Witham
Sarcopenia of age is prevalent and costly and proven pharmacological interventions are currently lacking. The pathophysiology of sarcopenia is incompletely understood but appears to involve multiple pathways, including inflammation, hormonal dysregulation, impaired regeneration, mitochondrial dysfunction and denervation. There are several ways in which we might select potential pharmacological interventions for testing in clinical trials. These include a 'bottom-up' approach using basic science to elucidate the molecular processes involved and identify potential targets from this knowledge-a strategy that has led to the development of myostatin inhibitors...
April 2017: Drugs & Aging
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