نتایج جستجو برای: depletion effect

تعداد نتایج: 1691794  

2005
Wolfgang Oelkers Jehoida J. Brown Robert Fraser Anthony F. Lever James J. Morton Ian S. Robertson

The effect of sodium depletion on the dose-response relationships of angiotensin II to aldosterone and blood pressure was studied. Arterial plasma angiotensin II and aldosterone and arterial blood pressure were measured before and during the incremental infusion of angiotensin II into sodium-replete and sodium-deplete subjects. Sodium depletion caused a distinct steepening of the angiotensin H-...

2012
Lorenzo M. Polvani Susan Solomon

[1] The effect of ozone depletion on temperature trends in the tropical lower stratosphere is explored with an atmospheric general circulation model, and directly contrasted to the effect of increased greenhouse gases and warmer sea surface temperatures. Confirming and extending earlier studies we find that, over the second half of the 20th Century, the model’s lower-stratospheric cooling cause...

Journal: :Cancer biology & therapy 2016
Shinichi Urano Toshiaki Ohara Kazuhiro Noma Ryoichi Katsube Takayuki Ninomiya Yasuko Tomono Hiroshi Tazawa Shunsuke Kagawa Yasuhiro Shirakawa Fumiaki Kimura Kazuhiro Nouso Akihiro Matsukawa Kazuhide Yamamoto Toshiyoshi Fujiwara

ABSTACT Human hepatocellular carcinoma (HCC) is known to have a poor prognosis. Sorafenib, a molecular targeted drug, is most commonly used for HCC treatment. However, its effect on HCC is limited in clinical use and therefore new strategies regarding sorafenib treatment are required. Iron overload is known to be associated with progression of chronic hepatitis and increased risk of HCC. We pre...

Journal: :Circulation research 1974
W Oelkers J J Brown R Fraser A F Lever J J Morton J I Robertson

The effect of sodium depletion on the dose-response relationships of angiotensin II to aldosterone and blood pressure was studied. Arterial plasma angiotensin II and aldosterone and arterial blood pressure were measured before and during the incremental infusion of angiotensin II into sodium-replete and sodium-deplete subjects. Sodium depletion caused a distinct steepening of the angiotensin H-...

Journal: :Mechanisms of Development 2002
Takashi Miura Kohei Shiota

Previous studies have shown that the interaction of positive and inhibitory signals plays a crucial role during lung branching morphogenesis. We found that in mesenchyme-free conditions, the lung epithelium exerted a lateral inhibitory effect on the neighbouring epithelium via depletion of fibroblast growth factor 1 (FGF1). Contrary to previous suggestions, bone morphogenetic protein 4 could no...

Journal: :Molecular cancer research : MCR 2007
Yi-Chiung Hsu Hsin-Chen Lee Yueh-Hsin Ping Tsung-Yun Liu Wing-Yiu Lui Chin-Wen Chi

It is well known that glucose is a major energy source in tumors and that mitochondria are specialized organelles required for energy metabolism. Previous studies have revealed that nitric oxide (NO) protects against glucose depletion-induced cytotoxicity in mouse liver cells and in rat hepatocytes, but the detailed mechanism is not well understood. Therefore, we investigated the involvement of...

2007
Ravi Dhar Roy F. Baumeister

Consumer choices are a result of an interplay of two systems: fast and intuitive thinking (System 1) and more deliberative reasoning (System 2). The present research examines the implication of the interplay between the two systems for context effects in choice by exploring the consequences of resource depletion. Building on a substantial body of psychological literature that points to one unde...

Journal: :Endocrinologia japonica 1980
S Ichii

The effect of the administration of androgens (testosterone and dihydrotestosterone(, antiandrogens (progesterone and cyproterone acetate) and anabolic steroids (Bolandiol, Nandrolone, Furazabol and Methenolone) on depletion and replenishment of the androgen receptor in the cytosol of ventral prostate from castrated rats was examined using 3H-R1881 as the ligand. Administration of androgens lea...

2002
William J. Chancellor Pedro Andrade Sanchez

The rate at which the Earth’s surface receives high-utility energy from the Sun is 11,000 times as great as the rate at which humans use commercial energy. Despite this, 88 percent of the commercial energy used comes from non-renewable, fossil-fuel sources. Fossil fuel use each year adds 3 percent more carbon-dioxide to the atmosphere than natural sinks can remove. The task for humans is to fin...

2014
Sarah E. Martin Martha H. Conklin Roger C. Bales

Seasonal turbidity patterns and event-level hysteresis analysis of turbidity verses discharge in four 1 km headwater catchments in California’s Sierra Nevada indicate localized in-channel sediment sources and seasonal accumulation-depletion patterns of stream sediments. Turbidity signals were analyzed for three years in order to look at the relationships between seasonal turbidity trends, event...

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