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Renin angiotensin aldosterone system

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https://www.readbyqxmd.com/read/28304186/mir-205-mediates-the-inhibition-of-cervical-cancer-cell-proliferation-using-olmesartan
#1
Zhang Yue, Zhang Yun-Shan, Xue Feng-Xia
OBJECTIVE: The renin-angiotensin-aldosterone system has become known as a prerequisite for tumor angiogenesis that is now recognized as a crucial step in the development of tumors, including cervical cancer. The Ang II-AT1R pathway is known to play an important role in tumor angiogenesis. MicroRNAs (miRNAs) are a class of small, regulating RNAs that participate in tumor genesis, differentiation and proliferation. The current study focused on the anti-tumor mechanism of olmesartan, a novel angiotensin II antagonist, on cervical cancer cells...
July 2016: Journal of the Renin-angiotensin-aldosterone System: JRAAS
https://www.readbyqxmd.com/read/28303369/clinical-aspects-of-changes-in-water-and-sodium-homeostasis-in-the-elderly
#2
REVIEW
Christian A Koch, Tibor Fulop
The population of elderly individuals is increasing worldwide. With aging, various hormonal and kidney changes occur, both affecting water homeostasis. Aging is a risk factor for chronic kidney disease (CKD) and many features of CKD are reproduced in the aging kidney. Dehydration and hyperosmolarity can be triggered by diminished thirst perception in this population. Elderly with dementia are especially susceptible to abnormalities of their electrolyte and body water homeostasis and should be (re-)assessed for polypharmacy...
March 16, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28299716/fixed-dose-triple-combination-of-antihypertensive-drugs-improves-blood-pressure-control-from-clinical-trials-to-clinical-practice
#3
Alberto Mazza, Salvatore Lenti, Laura Schiavon, Antonella Paola Sacco, Fabio Dell'Avvocata, Gianluca Rigatelli, Emilio Ramazzina
INTRODUCTION: Blood pressure (BP) control is the main clinical goal in the management of hypertensive patients; however, BP in most of these patients remains uncontrolled, despite the widespread availability of antihypertensive drugs as free-combination therapy. This study compared the efficacy of a fixed-dose triple combination (FDTC) of antihypertensive drugs with that of a free combination of three antihypertensives in patients with uncontrolled hypertension. METHODS: Ninety-two patients (mean age 60...
March 15, 2017: Advances in Therapy
https://www.readbyqxmd.com/read/28294570/how-does-obesity-affect-the-endocrine-system-a-narrative-review
#4
REVIEW
M Poddar, Y Chetty, V T Chetty
Obesity is a chronic, relapsing medical condition that results from an imbalance of energy expenditure and consumption. It is a leading cause of preventable illness, disability and premature death. The causes of obesity are multifactorial and include behavioural, socioeconomic, genetic, environmental and psychosocial factors. Rarely are endocrine diseases, e.g., hypothyroidism or Cushing's syndrome, the cause of obesity. What is less understood is how obesity affects the endocrine system. In this review, we will discuss the impact of obesity on multiple endocrine systems, including the hypothalamic-pituitary axis, changes in vitamin D homeostasis, gender steroids and thyroid hormones...
March 15, 2017: Clinical Obesity
https://www.readbyqxmd.com/read/28290870/-selection-of-diuretic-therapy-in-cardiology-practice
#5
T E Morozova, I Y Yudina
Diuretic drugs - one of the most frequently prescribed groups of drugs in cardiology practice, primarily in patients with arterial hypertension (AH) and chronic heart failure (CHF). The article discusses the features of thiazide and loop diuretics, questions the selection of individual representatives of this class of drugs. Particular attention is paid to the loop diuretic torasemide, possessing, in addition to antihypertensive and diuretic effects, additional features such as the ability to reduce the activity of the renin-angiotensin-aldosterone system, reduce the severity of myocardial fibrosis, no negative influence on lipid and carbohydrate exchange, uric acid levels and blood electrolytes...
September 2016: Kardiologiia
https://www.readbyqxmd.com/read/28290827/-azilsartan-medoxomil-capabilities-in-arterial-hypertension-and-obesity
#6
Y A Vasyuk, E Y Shupenina, V V Nesvetov, E A Nesterova, E I Golubkova
Arterial hypertension (AH) is one of the most common cardiovascular disease. Angiotensin II (AT II), the hormone of renin-angiotensin-aldosterone system, realizes its negative effects through AT 1 receptors - application point of angiotensin receptor blockers (ARB). Due to different dissociation AT 1 receptors properties some ARBs are more effective than others. Multiply multicenter randomized and observational studies approve the effectiveness and safety of azilsartan medoxomil in patients with AH 1-2 grade...
December 2016: Kardiologiia
https://www.readbyqxmd.com/read/28290800/-comparative-efficacy-of-the-influence-of-fixed-combinations-of-antihypertensive-drugs-that-block-the-renin-angiotensin-aldosterone-system-with-thiazide-diuretics-on-the-parameters-of-ambulatory-blood-pressure-monitoring
#7
O D Ostroumova, I A Garelik
AIM: to compare effects of fixed-dose combinations of antihypertensive drugs that block renin-angiotensin-aldosterone system (RAAS) with hydrochlorothiazide (HCT) on parameters of ambulatory blood pressure monitoring (ABPM). MATERIAL AND METHODS: Patients (n=50; 25 women, 25 men aged 40-75 years) with stage II essential hypertension who received no antihypertensive therapy for 12 weeks were randomized to receive once daily fixed-dose combinations of either valsartan/HCT (Val/HCT - group I) or quinapril/HCT (Quin/HCT - groupII) in starting doses of 80/12...
December 2016: Kardiologiia
https://www.readbyqxmd.com/read/28289965/novel-insights-into-the-pathophysiology-and-clinical-aspects-of-diabetic-nephropathy
#8
REVIEW
Zubair Ilyas, Joumana T Chaiban, Armand Krikorian
Diabetic nephropathy (DN) is a well-described complication of diabetes mellitus and the leading cause of end stage renal disease (ESRD). Although increased albuminuria has been the gold standard for screening, data suggests that renal damage starts long before the onset of clinically apparent increases in macro and even micro-albuminuria. Clinical practice guidelines for the prevention of DN have been traditionally focused on the control of serum glucose, blood pressure and dyslipidemia, with some focus on the renin-angiotensin-aldosterone system (RAAS) as a main target for successful therapy...
March 13, 2017: Reviews in Endocrine & Metabolic Disorders
https://www.readbyqxmd.com/read/28286758/role-of-vitamin-d-in-uremic-vascular-calcification
#9
REVIEW
Yi-Chou Hou, Wen-Chih Liu, Cai-Mei Zheng, Jing-Quan Zheng, Tzung-Hai Yen, Kuo-Cheng Lu
The risk of cardiovascular death is 10 times higher in patients with CKD (chronic kidney disease) than in those without CKD. Vascular calcification, common in patients with CKD, is a predictor of cardiovascular mortality. Vitamin D deficiency, another complication of CKD, is associated with vascular calcification in patients with CKD. GFR decline, proteinuria, tubulointerstitial injury, and the therapeutic dose of active form vitamin D aggravate vitamin D deficiency and reduce its pleiotropic effect on the cardiovascular system...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28272372/acth-and-polymorphisms-at-steroidogenic-loci-as-determinants-of-aldosterone-secretion-and-blood-pressure
#10
REVIEW
Scott M MacKenzie, E Marie Freel, John M Connell, Robert Fraser, Eleanor Davies
The majority of genes contributing to the heritable component of blood pressure remain unidentified, but there is substantial evidence to suggest that common polymorphisms at loci involved in the biosynthesis of the corticosteroids aldosterone and cortisol are important. This view is supported by data from genome-wide association studies that consistently link the CYP17A1 locus to blood pressure. In this review article, we describe common polymorphisms at three steroidogenic loci (CYP11B2, CYP11B1 and CYP17A1) that alter gene transcription efficiency and levels of key steroids, including aldosterone...
March 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28264439/protein-nutrition-and-malnutrition-in-ckd-and-esrd
#11
REVIEW
Yan Zha, Qi Qian
Elevated protein catabolism and protein malnutrition are common in patients with chronic kidney disease (CKD) and end-stage renal disease (ESRD). The underlying etiology includes, but is not limited to, metabolic acidosis intestinal dysbiosis; systemic inflammation with activation of complements, endothelin-1 and renin-angiotensin-aldosterone (RAAS) axis; anabolic hormone resistance; energy expenditure elevation; and uremic toxin accumulation. All of these derangements can further worsen kidney function, leading to poor patient outcomes...
February 27, 2017: Nutrients
https://www.readbyqxmd.com/read/28259714/protective-effect-of-losartan-and-ramipril-against-stress-induced-insulin-resistance-and-related-complications-anti-inflammatory-mechanisms
#12
Barinder Singh, Ashish Mourya, Sangeeta Pilkhwal Sah, Anil Kumar
Chronic restraint stress (CRS) is known to cause various behavioural and biochemical alterations, leading to several negative health outcomes. The present study was designed to explore the impact of inhibiting Renin angiotensin aldosterone system (RAAS) and inflammatory pathways in stress pathophysiology. In the present study, male LACA mice were subjected to restraint stress daily for 30 days. Losartan, nimesulide, ramipril, minocycline and their combinations were administered 45min prior to restraint stress daily and their effects were observed...
March 1, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/28253402/the-relationship-between-the-renin-angiotensin-aldosterone-system-and-nmda-receptor-mediated-signal-and-the-prevention-of-retinal-ganglion-cell-death
#13
Mamoru Kobayashi, Kazuyuki Hirooka, Aoi Ono, Yuki Nakano, Akira Nishiyama, Akitaka Tsujikawa
Purpose: Excitotoxicity, which is due to glutamate-induced toxic effects on the retinal ganglion cell (RGC), is one of several mechanisms of RGC loss. The renin-angiotensin-aldosterone system (RAAS) has also been implicated in RGC death. Therefore, it is important to determine the exact relationship between the RAAS and N-methyl-d-aspartate (NMDA) receptor-mediated signal in order to prevent RGC death. Methods: N-methyl-d-aspartate or aldosterone was injected into the vitreous body...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28238630/primate-response-to-angiotensin-infusion-and-high-sodium-intake-differ-by-sodium-lithium-countertransport-phenotype
#14
Kimberly D Spradling-Reeves, Robert E Shade, Joseph R Haywood, Laura A Cox
An increased level of sodium-lithium countertransport (SLC) activity has been associated with salt-sensitive hypertension. Previous findings have suggested that dysregulation of the renin-angiotensin-aldosterone system (RAAS) may be involved in the mechanism linking elevated SLC activity and hypertension. Therefore, baboons with different levels of SLC activity were given two diets differing in sodium content, with and without an angiotensin II (ANG II) infusion, to investigate the relationship between SLC activity, the RAAS, and physiological regulation by sodium...
February 3, 2017: Journal of the American Society of Hypertension: JASH
https://www.readbyqxmd.com/read/28228651/adipokines-and-cardiovascular-disease-a-comprehensive-review
#15
Ales Smekal, Jan Vaclavik
Adipokines are peptides that signal the functional status of adipose tissue to the brain and other target organs. In adipose tissue dysfunction, adipokine secretion is altered, and this can contribute to a spectrum of obesity-associated conditions including cardiovascular disease. Some adipokines have anti-inflammatory and cardioprotective effects (omentin, apelin, adiponectin). Others are pro-inflammatory with negative impact on cardiovascular function (leptin, visfatin, resistin, adipocyte fatty-acid-binding protein)...
February 16, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/28223469/maternal-gestational-hypertension-induced-sensitization-of-angiotensin-ii-hypertension-is-reversed-by-renal-denervation-or-angiotensin-converting-enzyme-inhibition-in-rat-offspring
#16
Baojian Xue, Haifeng Yin, Fang Guo, Terry G Beltz, Robert L Thunhorst, Alan Kim Johnson
Numerous findings demonstrate that there is a strong association between maternal health during pregnancy and cardiovascular disease in adult offspring. The purpose of the present study was to test whether maternal gestational hypertension modulates brain renin-angiotensin-aldosterone system (RAAS) and proinflammatory cytokines that sensitizes angiotensin II-elicited hypertensive response in adult offspring. In addition, the role of renal nerves and the RAAS in the sensitization process was investigated. Reverse transcription polymerase chain reaction analyses of structures of the lamina terminalis and paraventricular nucleus indicated upregulation of mRNA expression of several RAAS components and proinflammatory cytokines in 10-week-old male offspring of hypertensive dams...
April 2017: Hypertension
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
#17
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
#18
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
#19
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
#20
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
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