نتایج جستجو برای: angiopoietin
تعداد نتایج: 3153 فیلتر نتایج به سال:
Stem cell-based therapies for central nervous system disorders are intensely pursued. Such approaches can be divided into two categories: Transplantation-based, and those that aim to pharmacologically target the endogenous stem cell population in the tissue. Endogenous stem cell - based strategies avoid the problem of immune incompatibility between the host and the grafted cells. They also avoi...
AIMS Accurate liver fibrosis staging is crucial for the management of chronic hepatitis C (CHC). The invasiveness and cost burden of liver biopsy have driven the search for new noninvasive biomarkers of fibrosis. Based on the link between serum angiopoietin-1 and 2 levels and CHC progression, we aimed to determine the value of these angiogenic factors as noninvasive biomarkers of liver fibrosis...
TEK tyrosine kinase is primarily expressed on endothelial cells and is most commonly referred to as TIE2. TIE2 is a receptor tyrosine kinase modulated by its ligands, angiopoietins, to regulate the development and remodeling of vascular system. It is also one of the critical pathways associated with tumor angiogenesis and familial venous malformations. Apart from the vascular system, TIE2 signa...
Human uterus is the principal place where angiogenesis occur every month in physiological setting. Abnormal angiogenesis is associated with abnormal uterine bleeding. Angiogenesis, or vascular growth, is therefore an essential component for growththat occurs in endometrium during every cycle of menses.The Angiopoietin family of growth factors along with VEGF family, mostly VEGF-A which are esse...
Implantation of a blastocyst into a receptive endometrium is a prerequisite for successful pregnancy. Angiogenesis is a key event in this process but the mechanisms by which localized changes in vascular permeability and angiogenesis occur have yet to be elucidated. Vascular endothelial growth factor (VEGF) and its receptors VEGFR-1 and VEGFR-2 have been implicated as key players in vascular re...
BACKGROUND A number of different biophysical and biochemical markers have been proposed as predictors of preeclampsia. Factors involved in the angiogenic balance are suggested as candidate markers. The purpose of this prospective, longitudinal cohort study was to determine whether a ratio between Angiopoietin-1 (Ang-1) and Angiopoietin-2 (Ang-2) can be used to predict preeclampsia in a low-risk...
The angiopoietin (Ang) family of growth factors includes Ang1, Ang2, Ang3, and Ang4, all of which bind to the endothelial receptor tyrosine kinase Tie2. Ang3 (mouse) and Ang4 (human) are interspecies orthologs. In experiments with human endothelial cell lines, Ang3 was identified as an antagonist of Tie2 and Ang4 was identified as an agonist of Tie2. However, the biological roles of Ang3 and An...
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