نتایج جستجو برای: رسپتور kdr
تعداد نتایج: 2101 فیلتر نتایج به سال:
OBJECTIVES Our purpose was to determine whether the common polymorphisms (SNP-604, SNP1192, and SNP1719) in KDR are associated with risk of coronary heart disease. BACKGROUND Vascular endothelial growth factor (VEGF) and its receptor KDR (kinase insert domain-containing receptor/fetal liver kinase-1, also called VEGFR2) play critical roles in angiogenesis and vascular repair, which are involv...
BACKGROUND AND PURPOSE Disruption of the endothelial layer is the first step in the atherogenic process. Experimental studies have shown that endothelial progenitor cells (EPCs) are involved in endothelial homeostasis and repair. Conversely, EPC depletion has been demonstrated in the setting of established atherosclerotic diseases. With this background, we evaluated whether variations in the nu...
In West Africa, Anopheles gambiae exists in discrete subpopulations known as the M and S molecular forms. Although these forms occur in sympatry, pyrethroid knock-down resistance (kdr) is strongly associated with the S molecular form. On the island of Bioko, Equatorial Guinea we found high frequencies of the kdr mutation in M form individuals (55.8%) and a complete absence of kdr in the S form....
Vascular endothelial growth factor (VEGF), a major regulator of angiogenesis, binds to two receptor tyrosine kinases, KDR/Flk-1 and Flt-1. We now describe the purification and the expression cloning from tumor cells of a third VEGF receptor, one that binds VEGF165 but not VEGF121. This isoform-specific VEGF receptor (VEGF165R) is identical to human neuropilin-1, a receptor for the collapsin/sem...
Besides being expressed on endothelial cells, vascular endothelial growth factor receptors (VEGFRs) are also functional on subsets of leukemias, resulting in autocrine loops that sustain leukemia migration and proliferation. While recent evidence suggests that VEGF supports hematopoietic stem cell survival via an internal loop, the molecular mechanisms whereby autocrine stimulation of VEGFR-2 (...
Liver disease affects hundreds of millions of patients worldwide. Liver transplantation is currently the only curable treatment for liver failure caused by cirrhosis, chronic hepatitis B or C, bile duct disease, genetic disease, autoimmune liver disease, primary liver cancer, alcoholic liver disease, or fatty liver disease. Currently, more than 6000 liver transplants are performed each year in ...
Type 1 and 2 diabetes decrease the frequencies and functional capacities of circulating angiogenic cells (CAC). Diabetes also elevates gestational complications. These observations may be interrelated. We undertook pilot studies to address the hypothesis that preconception diabetes deviates known gestational increases in CACs. Cross-sectional study of type 1 diabetic, type 2 diabetic and normog...
BACKGROUND Low blood counts of CD34/kinase-insert domain receptor double-positive cells (CD34(+)/KDR(+) cells)-a leukocytes subpopulation enriched for bone marrow-derived endothelial progenitor cells (EPC)- predict adverse outcomes in coronary artery disease (CAD). The dependence of EPC numbers on the glomerular filtration rate (GFR), another prognostic factor, has not been reported in CAD yet....
Vascular permeability factor/vascular endothelial growth factor (VPF/VEGF) functions by activating two receptor tyrosine kinases, Flt-1 (VEGFR-1) and KDR (VEGFR-2), both of which are selectively expressed on the primary vascular endothelium. KDR is responsible for VPF/VEGF-stimulated endothelial cell (EC) proliferation and migration, whereas Flt-1 down-modulates KDR-mediated EC proliferation. F...
Purpose We performed a first-in-human clinical trial on ultrasound molecular imaging (USMI) in patients with breast and ovarian lesions using a clinical-grade contrast agent (kinase insert domain receptor [KDR] -targeted contrast microbubble [MBKDR]) that is targeted at the KDR, one of the key regulators of neoangiogenesis in cancer. The aim of this study was to assess whether USMI using MBKDR ...
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