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angiotensin/hypoxia

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Leht 1 alates 1360 tulemused
We aimed to study the renal injury and hypertension induced by chronic intermittent hypoxia (CIH) and the protective effects mediated by angiotensin 1-7 [Ang(1-7)]. We randomly assigned 32 male Sprague-Dawley rats (body weight 180-200 g) to normoxia control, CIH, Ang(1-7)-treated normoxia, and
The objective of this study was to detect the expression of Angiotensin-II (Ang-II), Hypoxia-inducible factor-1α (HIF-1α) and Endothelin-1 (ET-1) in the kidneys of patients with diabetic nephropathy (DN) and to investigate their relationship with renal interstitial fibrosis (RIF). A total of 47
Inhibition of the angiotensin‑converting enzyme (ACE) attenuated apoptotic cardiomyocytes induced by ischemic reperfusion (I/R). However, it is difficult to evaluate the effects of inhibition of the intracellular ACE in vivo. The objective of this study was to determine whether the apoptosis in H9c2
Obstructive sleep apnea (OSA), featured by chronic intermittent hypoxia (CIH), is an independent risk for systemic hypertension (HTN) and is associated with pulmonary hypertension (PH). The precise mechanisms underlying pulmonary vascular remodeling and PH in OSA are not fully
BACKGROUND In a phase I study of angiotensin-(1-7) [Ang-(1-7)], clinical benefit was associated with reduction in plasma placental growth factor (PlGF) concentrations. The current study examines Ang-(1-7) induced changes in biomarkers according to cancer type and investigates mechanisms of action

The role of the renin-angiotensin system in the renal response to moderate hypoxia in the rat.

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Logi sisse
1. In two groups of Saffan-anaesthetized rats, we studied the role of the renin-angiotensin system in mediating the antidiuresis and antinatriuresis induced by moderate systemic hypoxia. 2. In both groups, a first period of hypoxia (breathing 12% O2 for 20 min) induced a fall in arterial partial

Protective effects of ginaton on vascular endothelial cells injured by angiotensin II and hypoxia in vitro.

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Logi sisse
The objective of this study was to explore the protective effect and possible mechanism of Ginkgo biloba extract (Ginaton) on human vascular endothelial cells (VECs) injured by angiotensin II (Ang-II) and hypoxia. The human aortic VECs were divided into different groups to observe the changes in
The objective of this study was to explore the protective effect and the possible mechanism of Ginkgo biloba extract (Ginaton) on human vascular endothelial cells (VECs) injured by angiotensin II (Ang-II) and hypoxia. The human aortic VECs were divided into different groups to observe the changes in
The renin-angiotensin system has long been recognized as crucial factor in the regulation of the systemic blood pressure and renal electrolyte homeostasis. Numerous studies have demonstrated the presence of a local renin-angiotensin system in a variety of organs. A recent study of the pancreatic

Effect of hypoxemia on the renin-angiotensin-aldosterone system in humans.

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Logi sisse
Hypoxemia was induced in five subjects older than 40 (group 1) and five younger than 35 yr (group 2) on normal and low-salt diets by having the subjects breathe hypoxic gas. The fractional inspired O2 of the hypoxic gas was regulated so that group 1 hemoglobin saturations fell to 90% for 1 h. Group

Age-dependent effects of chronic hypoxia on renin-angiotensin and urinary excretions.

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Logi sisse
The mechanisms regulating water, electrolyte, and blood volume homeostasis continue to mature in early postnatal life, and this maturation may be altered by perturbations of volume or cardiovascular status. To evaluate the long-term effects of chronic hypoxia on water balance, urinary electrolyte
Acute hypoxia has been reported to induce a decrease in aldosterone levels despite no change or increases in plasma renin activity and ACTH. Converting enzyme inhibition and/or mild hypokalemia have been suggested as possible mechanisms for this dissociation. We studied 15 patients with chronic

Hypoxia and angiotensin II infusion redistribute lung blood flow in lambs.

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Logi sisse
To assess the effects of alveolar hypoxia and angiotensin II infusion on distribution of blood flow to the lung we performed perfusion lung scans on anesthetized mechanically ventilated lambs. Scans were obtained by injecting 1-2 mCi of technetium-labeled albumin macroaggregates as the lambs were
Chronic intrarenal hypoxia has been regarded as a pathogenic factor of progressive renal damage. However, the lack of available human data has impeded the progress in this field. In this work, blood oxygen level-dependent magnetic resonance imaging was used to determine intrarenal oxygen status pre-

Complementary effects of adenosine and angiotensin II in hypoxemia-induced renal dysfunction in the rabbit.

Ainult registreeritud kasutajad saavad artikleid tõlkida
Logi sisse
The acute renal effects of hypoxemia and the ability of the co-administration of an angiotensin converting enzyme inhibitor (perindoprilat) and an adenosine receptor antagonist (theophylline) to prevent these effects were assessed in anesthetized and mechanically-ventilated rabbits. Renal blood flow
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