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https://www.readbyqxmd.com/read/28214884/transient-receptor-potential-melastatin-4-trpm4-contributes-to-high-salt-diet-mediated-early-stage-endothelial-injury
#1
Xiao-Qing Ding, Tao Ban, Zeng-Yan Liu, Jie Lou, Liang-Liang Tang, Jia-Xin Wang, Wen-Feng Chu, Dan Zhao, Bin-Lin Song, Zhi-Ren Zhang
BACKGROUND/AIMS: The present study investigated whether the transient receptor potential melastatin 4 (TRPM4) channel plays a role in high salt diet (HSD)-induced endothelial injuries. METHODS: Western blotting and immunofluorescence were used to examine TRPM4 expression in the mesenteric endothelium of Dahl salt-sensitive (SS) rats fed a HSD. The MTT, TUNEL, and transwell assays were used to evaluate the cell viability, cell apoptosis, and cell migration, respectively, of human umbilical vein endothelial cells (HUVECs)...
February 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28212710/ctrp1-in-liver-disease
#2
P Shabani, S Emamgholipour, M Doosti
Nonalcoholic fatty liver disease (NAFLD) is a chronic liver disease occurs in significant percentage of general population. NAFLD is closely associated with entire spectrum of metabolic-related disorders including diabetes, obesity, and cardiovascular diseases. Considering several similar pathways underpinning metabolic disorders, presence of common molecular mediators contributing to pathomechanism of these disorders is expected. Mounting evidence has demonstrated important role of adipokines in the context of NAFLD...
2017: Advances in Clinical Chemistry
https://www.readbyqxmd.com/read/28209765/renin-angiotensin-system-inhibition-worsening-renal-function-and-outcome-in-heart-failure-patients-with-reduced-and-preserved-ejection-fraction-a-meta-analysis-of-published-study-data
#3
Iris E Beldhuis, Koen W Streng, Jozine M Ter Maaten, Adriaan A Voors, Peter van der Meer, Patrick Rossignol, John J V McMurray, Kevin Damman
BACKGROUND: Renin-angiotensin aldosterone system (RAAS) inhibitors significantly improve outcome in heart failure (HF) patients with reduced ejection fraction (HFREF), irrespective of the occurrence of worsening renal function (WRF). However, in HF patients with preserved ejection fraction (HFPEF), RAAS inhibitors have not been shown to improve outcome but are still frequently prescribed. METHODS AND RESULTS: Random effect meta-analysis was performed to investigate the relationship between RAAS inhibitor therapy, WRF in both HF phenotypes, and mortality...
February 2017: Circulation. Heart Failure
https://www.readbyqxmd.com/read/28202884/neurohumoral-modulation-during-waon-therapy-in-chronic-heart-failure%C3%A3-subanalysis-of-waon-chf-study
#4
Tomoko Ichiki, John C Burnett, Christopher G Scott, Denise M Heublein, Masaaki Miyata, Koichiro Kinugawa, Teruo Inoue, Chuwa Tei
BACKGROUND: Heart failure (HF) is a disease of neurohumoral dysfunction and current pharmacological therapies for HF have not improved mortality rates, thus requiring additional new strategies. Waon therapy for HF patients may be a complementary strategy with peripheral vasodilation via nitric oxide. We hypothesized that Waon therapy would improve neurohumoral factors, such as natriuretic peptides (NP) and the renin-angiotensin-aldosterone system (RAAS) in HF.Methods and Results:Plasma samples were collected from patients enrolled in the WAON-CHF Study (Waon therapy (n=77) or control (n=73)) before and after the treatment...
February 16, 2017: Circulation Journal: Official Journal of the Japanese Circulation Society
https://www.readbyqxmd.com/read/28202622/the-hypertension-pandemic-an-evolutionary-perspective
#5
REVIEW
Bernard C Rossier, Murielle Bochud, Olivier Devuyst
Hypertension affects over 1.2 billion individuals worldwide and has become the most critical and expensive public health problem. Hypertension is a multifactorial disease involving environmental and genetic factors together with risk-conferring behaviors. The cause of the disease is identified in ∼10% of the cases (secondary hypertension), but in 90% of the cases no etiology is found (primary or essential hypertension). For this reason, a better understanding of the mechanisms controlling blood pressure in normal and hypertensive patients is the aim of very active experimental and clinical research...
March 2017: Physiology
https://www.readbyqxmd.com/read/28201968/common-drugs-for-stabilization-of-renal-function-in-the-progression-of-diabetic-nephropathy-and-their-relations-with-hypertension-therapy
#6
Yuxuan Wang, Chengcheng Wang, Xiuli Zhang, Harvest F Gu, Liang Wu
Diabetic nephropathy is characterized by hypertension, progressive albuminuria, glomerulosclerosis and declines in glomerular filtration rate leading to end stage renal disease. Although the pathogenesis of diabetic nephropathy is not fully understood, current treatment of the patients with diabetic nephropathy is mainly based upon the control of hyperglycaemia and management of blood pressures. Several drugs, which are originally developed for hypertension therapy, have been adopted for stabilization of renal function in diabetic nephropathy...
February 14, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28200011/increased-aldosterone-release-during-head-up-tilt-in-early-primary-hypertension
#7
Annemarie Reinold, Andreas Schneider, Tatjana Kalizki, Ulrike Raff, Markus P Schneider, Roland E Schmieder, Bernhard M W Schmidt
No abstract text is available yet for this article.
February 15, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28199472/resequencing-study-identifies-rare-renin-angiotensin-aldosterone-system-variants-associated-with-blood-pressure-salt-sensitivity-the-gensalt-study
#8
Tanika N Kelly, Changwei Li, James E Hixson, Dongfeng Gu, Dabeeru C Rao, Jianfeng Huang, Treva K Rice, Jichun Chen, Jie Cao, Jianxin Li, Christopher E Anderson, Jiang He
No abstract text is available yet for this article.
February 11, 2017: American Journal of Hypertension
https://www.readbyqxmd.com/read/28193708/case-of-primary-aldosteronism-with-discordant-hormonal-and-computed-tomographic-findings
#9
Laurence Amar, Yehonatan Sharabi, Gian Paolo Rossi, Emmanuelle Vidal-Petiot, Anna F Dominiczak, Paolo Mulatero, Anne-Laure Faucon, Neeraj Dhaun, Rhian M Touyz, Mohammed Barigou, Aurelien Lorthioir
No abstract text is available yet for this article.
February 13, 2017: Hypertension
https://www.readbyqxmd.com/read/28191524/renin-angiotensin-aldosterone-system-in-insulin-resistance-and-metabolic-syndrome
#10
Undurti N Das
Obesity and its consequent complications such as hypertension and metabolic syndrome are increasing in incidence in almost all countries. Insulin resistance is common in obesity. Renin- angiotensin system (RAS) is an important target in the treatment of hypertension and drugs that act on RAS improve insulin resistance and decrease the incidence of type 2 diabetes mellitus, explaining the close association between hypertension and type 2 diabetes mellitus. RAS influences food intake by modulating the hypothalamic expression of neuropeptide Y and orexins via AMPK dephosphorylation...
June 1, 2016: Journal of Translational Internal Medicine
https://www.readbyqxmd.com/read/28190873/the-role-of-uric-acid-in-hypertension-of-adolescents-prehypertension-and-salt-sensitivity-of-blood-pressure
#11
Yang Wang, Jia-Wen Hu, Yong-Bo Lv, Chao Chu, Ke-Ke Wang, Wen-Ling Zheng, Yu-Meng Cao, Zu-Yi Yuan, Jian-Jun Mu
Uric acid is the end product of purine metabolism. Metabolic disorders of uric acid are associated with many disease states. Substantial evidence suggests the possible role of uric acid as a mediator of high blood pressure. Elevated uric acid is closely associated with new onset essential hypertension in adolescents and prehypertension; and urate-lowering agents can significantly improve these early stages of hypertension. Uric acid also influences salt sensitivity of blood pressure through two phases. Local renin-angiotensin-aldosterone system activation initiates renal damage, arteriolopathy, and endothelium dysfunction, which is followed by the dysregulation of sodium homeostasis, thereby leading to increased salt sensitivity...
February 13, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28190867/the-impact-of-the-clinical-cyp11b2-mutation-v386a-strongly-depends-on-the-enzyme-s-genetic-background
#12
Jens Neunzig, Yogan Khatri, Rita Bernhardt
Human cytochrome P450 11B2 (CYP11B2) is an essential enzyme in the steroid hormone biosynthesis, which catalyzes the last three reaction steps of the aldosterone synthesis. These reactions comprise a hydroxylation at position C11 of the steroid intermediate deoxycorticosterone yielding corticosterone, followed by a hydroxylation at position C18 yielding 18-hydroxy-corticosterone and a subsequent oxidation of the hydroxyl group at C18, which results in the formation of aldosterone. Alterations in the amino acid sequence of CYP11B2 often cause severe disease patterns...
February 10, 2017: Endocrine Journal
https://www.readbyqxmd.com/read/28187982/the-renal-trpv4-channel-is-essential-for-adaptation-to-increased-dietary-potassium
#13
Mykola V Mamenko, Nabila Boukelmoune, Viktor N Tomilin, Oleg L Zaika, V Behrana Jensen, Roger G O'Neil, Oleh M Pochynyuk
To maintain potassium homeostasis, kidneys exert flow-dependent potassium secretion to facilitate kaliuresis in response to elevated dietary potassium intake. This process involves stimulation of calcium-activated large conductance maxi-K (BK) channels in the distal nephron, namely the connecting tubule and the collecting duct. Recent evidence suggests that the TRPV4 channel is a critical determinant of flow-dependent intracellular calcium elevations in these segments of the renal tubule. Here, we demonstrate that elevated dietary potassium intake (five percent potassium) increases renal TRPV4 mRNA and protein levels in an aldosterone-dependent manner and causes redistribution of the channel to the apical plasma membrane in native collecting duct cells...
February 7, 2017: Kidney International
https://www.readbyqxmd.com/read/28187460/effects-of-renal-denervation-on-monocrotaline-induced-pulmonary-remodeling
#14
Qian Liu, Jiyang Song, Dasheng Lu, Jie Geng, Zhixin Jiang, Kai Wang, Bin Zhang, Qijun Shan
Pulmonary artery hypertension (PAH) is a rapidly progressive disorder, which leads to right heart failure and even death. Overactivity of the renin-angiotensin-aldosterone system (RAAS) and sympathetic nervous system accounts for the development and progression of PAH. The role of renal denervation (RDN) in different periods of PAH has not been fully elucidated. A single intraperitoneal injection of monocrotaline (MCT, 60 mg/kg) was used to induce pulmonary remodeling in male Sprague Dawley rats (n = 40). After 24-hour of MCT administration, a subset of rats underwent RDN (RDN24h, n = 10); after 2-week of MCT injection, another ten rats received RDN treatment (RDN2w, n = 10) and the left 20 rats were divided to MCT group with sham RDN operation (MCT, n = 20)...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28186357/short-and-long-term-outcomes-with-renin-angiotensin-aldosterone-inhibitors-in-renal-transplant-recipients-a-meta-analysis-of-randomized-controlled-trials
#15
Ruo-Xi Liao, Xia-Fei Lyu, Wen-Jiao Tang, Kai Gao
BACKGROUND: Angiotensin-convertingenzyme inhibitors (ACEIs) and angiotensin II receptor type 1 blockers (ARBs) are often prescribed for renal transplant recipients (RTRs), but the outcomes of these medications in RTRs remain controversial. METHODS: The PubMed, Embase, and Cochrane Library databases were systematically searched. Randomized controlled trials investigating the outcomes of ACEI/ARBs in RTRs were included for meta-analysis. RESULTS: Twenty-two trials with 2242 patients were identified...
February 10, 2017: Clinical Transplantation
https://www.readbyqxmd.com/read/28185709/heart-failure-guidelines-what-s-new
#16
REVIEW
Lampros Papadimitriou, Carine E Hamo, Javed Butler
Heart Failure is a global epidemic, affecting approximately 5 million adults in the U.S.A. The cornerstone of contemporary pharmacological therapy targets the over activated renin-angiotensin-aldosterone and sympathetic autonomic systems. The 2016 focused pharmacologic update on the current Heart Failure Guidelines introduces the use of two newly approved regimens valsartan/sacubitril and ivabradine. Over the last two decades, guideline directed medical therapy has accomplished significant improvement in survival rates among heart failure patients; however these novel compounds were reported to exert additional mortality and morbidity benefits, in heart failure subpopulations with reduced ejection fraction...
January 11, 2017: Trends in Cardiovascular Medicine
https://www.readbyqxmd.com/read/28185233/sympathetic-drive-stimulating-diastolic-dysfunction
#17
EDITORIAL
Saad S Ahmad, Myron C Gerson
Diastolic heart failure accounts for half of the heart failure population and its pathophysiology remains an area of active research. The renin angiotensin and aldosterone axis has been the focus of clinical trials to treat patients with heart failure with preserved ejection fraction, however with limited yield in terms of clinical success. Sympathetic activity has been considered a plausible cause for the molecular changes that lead to diastolic dysfunction. Based on this understanding the study by Gimelli et al uses MIBG to evaluate for association between diastolic dysfunction and sympathetic denervation...
February 9, 2017: Journal of Nuclear Cardiology: Official Publication of the American Society of Nuclear Cardiology
https://www.readbyqxmd.com/read/28185171/neprilysin-inhibitors-in-cardiovascular-disease
#18
REVIEW
Guson Kang, Dipanjan Banerjee
Mortality from heart failure remains high despite advances in medical therapy over the last three decades. Angiotensin receptor-neprilysin inhibitor (ARNI) combinations are the latest addition to the heart failure medical armamentarium, which is built on the cornerstone regimen of beta blockers, angiotensin converting enzyme (ACE) inhibitors/angiotensin receptor blockers, and aldosterone antagonists. Recent trial data have shown a significant mortality benefit from ARNIs, which, as of May 2016, have now received a class I recommendation for use in patients with heart failure and reduced ejection fraction from the major American and European cardiology societies...
February 2017: Current Cardiology Reports
https://www.readbyqxmd.com/read/28182819/primary-aldosteronism-as-a-risk-factor-for-vertebral-fracture
#19
Masakazu Notsu, Mika Yamauchi, Masahiro Yamamoto, Kiyoko Nawata, Toshitsugu Sugimoto
No abstract text is available yet for this article.
February 9, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28180906/clinical-outcomes-following-unilateral-adrenalectomy-in-patients-with-primary-aldosteronism
#20
M J Hannon, W C Sze, R Carpenter, L Parvanta, M Matson, A Sahdev, M R Druce, D M Berney, M Waterhouse, S A Akker, W M Drake
No abstract text is available yet for this article.
November 15, 2016: QJM: Monthly Journal of the Association of Physicians
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