نتایج جستجو برای: i receptor
تعداد نتایج: 1572301 فیلتر نتایج به سال:
Introduction: Vascular endothelial growth factor-C (VEGF-C) is the primary lymphangiogenic factor that stimulates lymphangiogenesis by signaling via specific receptor, vascular receptor 3 (VEGFR3). This study was conducted to evaluate change in level of VEGF-C before and after autologous bone marrow mononuclear cell transplantation for treatment Lower limb lymphedema. Patient methods: Forty pat...
Gonadotropin-releasing hormone (GnRH) receptor agonists are extensively used in the treatment of sex hormone-dependent cancers via the desensitization of pituitary gonadotropes and consequent decrease in steroid sex hormone secretion. However, evidence now points to a direct inhibitory effect of GnRH analogs on cancer cells. These effects appear to be mediated via the Galpha(i)-type G protein, ...
Gonadotropin-releasing hormone (GnRH) receptor agonists are extensively used in the treatment of sex hormone-dependent cancers via the desensitization of pituitary gonadotropes and consequent decrease in steroid sex hormone secretion. However, evidence now points to a direct inhibitory effect of GnRH analogs on cancer cells. These effects appear to be mediated via the G i-type G protein, in con...
We have previously cloned a type I serine/threonine kinase receptor from Xenopus, namely XTrR-I. We show here that XTrR-I is able to bind and mediate the activity of TGFbeta1, but is unable to mediate response to activin or BMP-4. We have made a truncated receptor construct that can act as a dominant negative mutant receptor, and this can block the activity of TGFbeta2 but not that of activin. ...
The hemagglutinin-neuraminidase (HN) protein of paramyxoviruses carries out three different activities: receptor binding, receptor cleaving (neuraminidase), and triggering of the fusion protein. These three discrete properties each affect the ability of HN to promote viral fusion and entry. For human parainfluenza type 3, one bifunctional site on HN can carry out both binding and neuraminidase,...
Transforming growth factor beta (TGF-beta) coordinates a number of biological events important in normal and pathophysiological growth. In this study, deletion and substitution mutations were used to identify receptor motifs modulating TGF-beta receptor activity. Initial experiments indicated that a COOH-terminal sequence between amino acids 482-491 in the kinase domain of the type I receptor w...
Objective(s):Transforming growth factor-β(TGF-β) is involved in colorectal cancer (CRC). The SD-208 acts as an anti-cancer agent in different malignancies via TGF-β signaling. This work aims to show the effect of manipulation of TGF-β signaling on some miRNAs implicated in CRC. Materials and Methods: We investigated the effects of SD-208 on SW-48, a colon adenocarcinoma cell line. The cell li...
The insulin-like growth factors (IGF) I and II regulate metabolism, mitogenesis, differentiation, and apoptosis. The therapeutic uses of IGF-I have been discussed extensively; however, excessive activity of the IGF ligands and IGF-I receptor has been suggested as a factor in tumorigenesis. The inhibition of apoptosis by IGF-I is believed to be particularly important for the stimulation of tumor...
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