نتایج جستجو برای: ang دیزل
تعداد نتایج: 8424 فیلتر نتایج به سال:
Angiotensin (Ang II) plays an important role in atherosclerosis through proinflammatory effect. Toll-like receptor 4 (TLR4) may mediate inflammatory response. It is unknown whether TLR4 mediates the proinflammatory effect of Ang II. Thus, we observed the role and signaling pathway of TLR4 in Ang II-induced inflammation in rat vascular smooth muscle cells (VSMCs). Ang II and LPS stimulated TNF-a...
BACKGROUND AND OBJECTIVES Angiopoietin-1 (Ang-1) and its natural antagonist angiopoietin-2 (Ang-2), both ligands for the receptor tyrosine kinase Tie2, are known to play an essential role in normal and pathological angiogenesis. DESIGN AND METHODS We investigated the expression of Ang-1, Ang-2 and Tie2 by immunohistochemical analyses in bone marrow biopsies of 64 adult patients with newly dia...
Angiogenesis, formation of new microvessels providing oxygen and nutrient supply, is essential for tumor growth. It is dependent on the production of angiogenic growth factors by tumor cells. Angiopoietin 1 (Ang-1) and 2 (Ang-2) and their common receptor, Tie2, are thought to be critical regulators of tumor angiogenesis. We examined expression of Ang-1, Ang-2, and their common receptor Tie2 mRN...
It has been shown that the brain has its own intrinsic renin-angiotensin system (RAS) and angiotensin-(1-7) (Ang-(1-7)) is particularly interesting, because it appears to counterbalance most of the Ang II effects. Ang-(1-7) exerts its biological function through activation of the G-protein-coupled receptor Mas. Interestingly, hippocampus is one of the regions with higher expression of Mas. Howe...
Angiotensin (Ang) I-converting enzyme (ACE) is involved in the control of blood pressure by catalyzing the conversion of Ang I into the vasoconstrictor Ang II and degrading the vasodilator peptide bradykinin. Human ACE also functions as a signal transduction molecule, and the binding of ACE substrates or its inhibitors initiates a series of events. In this study, we examined whether Ang II coul...
Dairín Kieran,1* Jordi Sebastia,1* Matthew J. Greenway,2 Matthew A. King,1 Dervla Connaughton,1 Caoimhin G. Concannon,1 Beau Fenner,1 Orla Hardiman,3 and Jochen H. M. Prehn1 1Department of Physiology and Medical Physics and Royal College of Surgeons in Ireland (RCSI) Neuroscience Research Centre, RCSI, Dublin 2, Ireland, 2National Centre for Medical Genetics, Our Lady’s Hospital for Sick Childr...
OBJECTIVE To test the hypothesis that pharmacological plasminogen activator inhibitor (PAI)-1 inhibition protects against renin-angiotensin-aldosterone system-induced cardiovascular injury, the effect of a novel orally active small-molecule PAI-1 inhibitor, PAI-039, was examined in a mouse model of angiotensin (Ang) II-induced vascular remodeling and cardiac fibrosis. METHODS AND RESULTS Unin...
This study investigated sex differences in the sensitization of angiotensin (ANG) II-induced hypertension and the role of central estrogen and ANG-(1-7) in this process. Male and female rats were implanted for telemetered blood pressure (BP) recording. A subcutaneous subpressor dose of ANG II was given alone or concurrently with intracerebroventricular estrogen, ANG-(1-7), an ANG-(1-7) receptor...
INTRODUCTION Angiopoietin-2 (Ang-2) plays a critical role in inducing tumor cell infiltration, and this invasive phenotype is caused by up-regulation of matrix metalloproteinase (MMP)-2. The relationship between Ang-2 and MMP-2 in atherosclerosis has not been reported yet. The aim is to measure the plasma concentrations of Ang-1, Ang-2 and MMP-2 and assess the correlation between the concentrat...
The aim of the present study was to examine the signaling pathways for a low dose of angiotensin II (ANG II) on Na+ uptake of primary cultured rabbit renal proximal tubule cells (PTCs) in hormonally defined serum-free medium. The results were as follows; ANG II (10(-11) M) stimulated the proliferation of PTCs. 10(-11) M ANG II stimulated Na+ uptake by 20%, whereas 10(-9) M ANG II inhibited it b...
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