نتایج جستجو برای: angiogenesis factor
تعداد نتایج: 870202 فیلتر نتایج به سال:
Background and Aim: Angiogenesis is essential in the progression and metastasis of solid tumors. It has been proved that increase in angiogenesis within primary solid tumors is actually associated with nodal metastasis and risk prognosis of some malignancies. In contrast, regarding hematologic neoplasms very limited studies have been done. The goal of the present study was to determine MVD (M...
MicroRNAs delicately regulate the balance of angiogenesis. Here we show that depletion of all microRNAs suppresses tumor angiogenesis. We generated microRNA-deficient tumors by knocking out Dicer1. These tumors are highly hypoxic but poorly vascularized, suggestive of deficient angiogenesis signaling. Expression profiling revealed that angiogenesis genes were significantly down-regulated as a r...
The role of angiogenesis in the growth and metastasis of solid tumors is well established. However, the role of angiogenesis in hematologic malignancies was only recently appreciated. We show that HTLV-I-transformed T cells, but not HTLV-I-negative CD4(+) T cells, secrete biologically active forms of vascular endothelial growth factor (VEGF) and basic fibroblast growth factor (bFGF) and, accord...
Many important physiological and pathological processes are modulated by angiogenesis. It has been shown that initiation of this angiogenic process is an essential early step in the progression of malignant tumors. We report here that ablation of peripheral dopaminergic nerves markedly increased angiogenesis, microvessel density, microvascular permeability, and growth of malignant tumors in mic...
Abstract Background and Objective: the inhibition of tumor-associated angiogenesis can significantly reduce the tumor proliferation. The basic fibroblast growth factor (bFGF), an important angiogenic factor, is considered as a potential therapeutic target for cancer therapy. The purpose of this study was evaluating, designing and construction of new recombinant DNA molecule in order to ha...
Trophoblast stem cells develop from polar trophoectoderm and give rise to the cells that generate the placenta. Trophoblast cells are responsible for the uterinal invasion and vascular remodeling during the implantation of the embryo. However this knowledge is not yet to be confirmed for trophoblast progenitor cells (TPCs). In this study, we aimed to demonstrate that human TPCs (hTPCs) express ...
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