نتایج جستجو برای: fgfr4 gene
تعداد نتایج: 1141581 فیلتر نتایج به سال:
Medullary thyroid cancer is frequently an aggressive form of carcinoma for which there are currently no effective forms of systemic therapy. These carcinomas arise as a result of activating mutations in the RET proto-oncogene transmembrane tyrosine kinase receptor. We, therefore, examined the potential efficacy of the tyrosine kinase inhibitor STI571 on the growth of human TT medullary cancer c...
The ophthalmic trigeminal (opV) placode exclusively gives rise to sensory neurons, making it a good model to study the molecular regulation of sensory neurogenesis. A number of signaling pathways including Wnt, PDGF, FGF, and Notch have been shown to be involved in the process of opV placode cell development. However, the regulatory relationships between these signaling pathways in placode cell...
Fibroblast Growth Factor 19 (FGF19) is an intestinally derived member of the Fibroblast Growth Factor (FGF) family that governs embryonic development, tissue morphogenesis, tumor growth and invasion and nutrient metabolism. The most important function of FGF19 is to negatively regulate the first and rate-limiting enzyme Cholesterol 7 alpha-hydroxylase (CYP7A1) in bile acid synthesis acting by m...
BACKGROUND The fibroblast growth factor (FGF) superfamily of neurotrophic factors plays critical roles in neural cell development, brain assembly, and recovery from neuronal injury. OBJECTIVES We administered two organophosphate pesticides, chlorpyrifos and diazinon, to neonatal rats on postnatal days 1-4, using doses below the threshold for systemic toxicity or growth impairment, and spannin...
Forced expression of the bHLH myogenic factors, Myf5 and MyoD, in various mammalian cell lines induces the full program of myogenic differentiation. However, this property has not been extensively explored in vivo. We have taken advantage of the chick model to investigate the effect of electroporation of the mouse Myf5 and MyoD genes in the embryonic neural tube. We found that misexpression of ...
Anteroposterior (AP) patterning of the developing CNS is crucial for both regional specification and the timing of neurogenesis. Several important factors are involved in AP patterning, including members of the WNT and FGF growth factor families, retinoic acid receptors, and HOX genes. We have examined the interactions between FGF and retinoic signaling pathways. Blockade of FGF signaling downr...
Supplementation with exogenous growth factors such as fibroblast growth factors (FGFs) is essential for anchorage-independent growth of the SW-13 human adrenal adenocarcinoma cell line. We have found that SW-13 cells express mRNAs for FGFRs 1, 3, and 4, but not FGFR2. To assess the roles of individual FGFRs, in anchorage-independent growth, we determined the effects of down-regulation of each F...
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