نتایج جستجو برای: src
تعداد نتایج: 16378 فیلتر نتایج به سال:
Activation of Src kinase plays important roles in the development of many neoplasias. Most of the previous Src studies focused on the deregulation of Src kinase activity. The deregulated Src protein synthesis and stability in mediating malignant phenotypes of cancer cells, however, have been neglected. While investigating the signal transduction pathways contributing to ErbB2-mediated metastasi...
The nucleotide sequence of the 3' two-thirds of a highly conserved, molecularly cloned human cellular src gene (c-src) has been determined. This region of the c-src gene encodes the tyrosine kinase domain of the cellular src protein (pp60c-src) and corresponds to exons 6 through 12 of the chicken c-src gene, as well as nucleotides 545 to 1542 of the Rous sarcoma virus src gene (v-src). The huma...
The steroid receptor coactivator-3 (SRC-3), also known as AIB1, ACTR, p/CIP and NCOA3, is a transcriptional coactivator for nuclear receptors and certain other transcription factors. SRC-3 is widely expressed and plays important physiological functions and pathogenic roles in breast and prostate cancers. SRC-3 knockout (SRC-3(-/-)) mice display genetic background-dependent embryonic lethality a...
The presence of the neuronal-specific N1-Src splice variant of the C-Src tyrosine kinase is conserved through vertebrate evolution, suggesting an important role in complex nervous systems. Alternative splicing involving an N1-Src-specific microexon leads to a 5 or 6 aa insertion into the SH3 domain of Src. A prevailing model suggests that N1-Src regulates neuronal differentiation via cytoskelet...
Elevated expression and aberrant activation of the src oncogene are strongly associated with cancer initiation and progression, thereby making Src a promising molecular target for anti-cancer therapy. Through drug screening using a temperature-inducible v-Src-transformed epithelial cell line, we found that andrographolide could suppress v-Src-induced transformation and down-regulate v-Src prote...
The ability of the focal adhesion kinase (FAK) to integrate signals from extracellular matrix and growth factor receptors requires the integrity of Tyr397, a major autophosphorylation site that mediates the Src homology 2-dependent binding of Src family kinases. However, the precise roles played by FAK in specific Src-induced pathways, especially as they relate to oncogenic transformation, rema...
Dasatinib is an orally administered multitargeted kinase inhibitor that targets Src family tyrosine kinases, Abl, c-Kit, and PDGFR. A preclinical study was conducted to evaluate dasatinib alone or combined with cisplatin for human transitional cell carcinoma (TCC). Expression of Src in a human TCC tissue microarray was evaluated by immunohistochemistry. The activity of dasatinib and/or cisplati...
Ras GTPase-activating protein (GAP) has been implicated in mitogenic signal transduction downstream of oncogenic and receptor tyrosine kinases. Previous studies have suggested that GAP is phosphorylated by oncogenic viral Src (v-Src) and that GAP is associated with a complex containing normal cellular Src (c-Src) in vertebrate fibroblasts. To investigate molecular interactions between the Src k...
The oncogene of Rous sarcoma virus (v-src) arose by transduction of a cellular gene (c-src). In an effort to explore the mechanism of transduction, we have identified the splice acceptor site used in the genesis of mRNA for v-src, shown that an equivalent site is used in the splicing of mRNA for c-src, and determined the nucleotide sequence from the boundaries of homology between v-src and c-sr...
Src is a nonreceptor tyrosine kinase that coordinates responses to diverse soluble and adhesive signaling molecules and regulates cell proliferation, survival, differentiation and migration. Normally, Src activity is tightly regulated, and Src-catalyzed phosphorylation is counterbalanced by phosphotyrosine phosphatases. However, deregulated mutant Src causes malignant transformation when highly...
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