نتایج جستجو برای: alk
تعداد نتایج: 5774 فیلتر نتایج به سال:
Anaplastic lymphoma kinase(ALK) rearrangement is one of the oncogenes in non-small cell lung cancer (NSCLC) identified in 2007. The PROFILE trials demonstrated that patients with ALK-rearranged NSCLC can be successfully treated with crizotinib, and that crizotinib is superior to chemotherapy in both first- and second-line settings. Furthermore, next-generation ALK inhibitors, such as alectinib ...
ALK has emerged as a novel tumorigenic factor in several epithelial human cancers. Crizotinib, an ALK tyrosine kinase inhibitor, is currently approved to treat lung cancer patients exhibiting ALK gene rearrangements. Our goal was to determine the incidence of ALK aberrations in relation to different breast cancer types. Tissue micro-arrays were constructed of ER+/PR±/HER2- (n = 37), ER-/PR-/HER...
Receptor tyrosine kinases (RTKs) are a class of cell surface receptors that, upon ligand binding, stimulate a variety of critical cellular functions. The orphan receptor anaplastic lymphoma kinase (ALK) is one of very few RTKs that remain without a firmly established protein ligand. Here we present a novel cytokine, FAM150B, which we propose naming augmentor-α (AUG-α), as a ligand for ALK. AUG-...
The first-in-class inhibitor of ALK, c-MET and ROS1, crizotinib (Xalkori), has shown remarkable clinical efficacy in treatment of ALK-positive non-small cell lung cancer. However, in neuroblastoma, activating mutations in the ALK kinase domain are typically refractory to crizotinib treatment, highlighting the need for more potent inhibitors. The next-generation ALK inhibitor PF-06463922 is pred...
The anaplastic lymphoma kinase (ALK) gene was initially identified as a fusion partner of the nucleophosmin gene in anaplastic large-cell lymphoma with t(2;5)(p23;q35) translocation, and then described with different genetic abnormalities in a number of tumors. Although ALK is known to be involved in the pathogenesis of neuroblastoma through activating mutations or gene amplification, its role ...
Rearrangement of anaplastic lymphoma kinase (ALK) gene is the best predictor of response to crizotinib, an ALK tyrosine kinase inhibitor. However, the prevalence of the ALK fusion is low, so accurate patient identification is crucial for successful treatment using ALK inhibitors. Furthermore, most patients with lung cancer present with advanced-stage disease at the time of diagnosis, so it is i...
Bone morphogenetic proteins (BMPs) are members of the transforming growth factor-beta superfamily, which regulate the differentiation of osteoprogenitor cells. Here we show that among members of the BMP family, BMP-4 and growth/differentiation factor 5 (GDF-5) induce osteoblast differentiation through the activation of three receptor-regulated Smads (i.e. Smad1, Smad5 and Smad8). By contrast, B...
Oncogenic anaplastic lymphoma kinase (ALK) fusion proteins (NPM/ALK and associated variants) are expressed in about 60% of anaplastic large cell lymphomas (ALCLs) but are absent in normal tissues. In this study, we investigated whether ALK, which is expressed at high levels in lymphoma cells, could be a target for antigen-specific cell-mediated immunotherapy. A panel of ALK-derived peptides was...
The EML4-ALK fusion gene has been recently identified in a small subset of non-small cell lung cancer (NSCLC) patients who respond positively to ALK inhibitors. The characteristics of the EML4-ALK fusion gene in Chinese patients with NSCLC are poorly understood. Here, we report on the prevalence of EML4-ALK, EGFR status and KRAS mutations in 208 Chinese patients with NSCLC. EGFR mutations were ...
Although Inflammatory Breast Cancer (IBC) is recognized as the most metastatic variant of locally advanced breast cancer, the molecular basis for the distinct clinical presentation and accelerated program of metastasis of IBC is unknown. Reverse phase protein arrays revealed activation of the receptor tyrosine kinase, anaplastic lymphoma kinase (ALK) and biochemically-linked downstream signalin...
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