نتایج جستجو برای: angiogenesis factor
تعداد نتایج: 870202 فیلتر نتایج به سال:
BACKGROUND Dysregulation of angiogenesis is known to be associated with tumorigenesis and metastatic progression in multiple carcinomas. The aim of this study was to evaluate the prognostic value of circulating angiogenesis biomarkers in lung adenocarcinoma progression. For that, we hypothesize that circulating levels of biomarkers characteristic for discrete processes within angiogenesis are a...
Angiogenesis is critical for the healing of gastric mucosal injury and is considered to be primarily regulated by vascular endothelial growth factor (VEGF), the fundamental proangiogenic factor. The role of nerve growth factor (NGF) in gastric angiogenesis is unknown. We examined the expression of NGF and its TrkA receptor in endothelial cells (ECs) isolated from gastric mucosa of rats (GMECs),...
Angiogenesis, a process of new blood vessel formation, is a key process involved in normal development and wound repair as well as in the various pathophysiologies such as ischemic heart and limb diseases and atherosclerosis. Reactive oxygen species (ROS) such as superoxide and H(2)O(2) function as signaling molecules in many aspects of growth factor-mediated responses including angiogenesis. V...
Lysyl oxidase (LOX) is an enzyme that oxidizes lysine residues in collagens and elastin. It stabilizes or remodels the extracellular matrix and basement membrane of blood vessels. Current oncology studies have revealed that LOX is upregulated in invasive cancer cells and bolstered cell movement, and LOX was observed to promote the angiogenesis and migration of endothelial cells. In the present ...
Chymase is a serine protease responsible for local production of angiotensin (Ang) II from its precursor Ang I in several species, including humans, dogs, and hamsters. We have previously reported that chymase facilitates angiogenesis in sponge granulation tissues via local production of Ang II. Herein, we report the significance of vascular endothelial growth factor (VEGF) up-regulation mediat...
Multiple classes of factors contribute to angiogenesis. In past years, the primary focus has been to understand the functions of individual classes of angiogenic factors. However, few studies have focused on the combinatorial roles of multiple classes of factors in angiogenesis. In this report, we have investigated the in vivo angiogenic processes regulated by two major classes of angiogenic fa...
Regulation of angiogenesis is often viewed as a balance between pro-angiogenic and anti-angiogenic factors, and when the balance shifts in favour of angiogenesis stimulators, an angiogenic switch turns on the normally inactive endothelial cells to grow new blood vessels. Recent studies have shown that PLCgamma1 (phospholipase Cgamma1), a major signalling substrate of VEGFR-2 (vascular endotheli...
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