mesothelioma/tyrosine

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A Phosphotyrosine Proteomic Screen Identifies Multiple Tyrosine Kinase Signaling Pathways Aberrantly Activated in Malignant Mesothelioma.

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Malignant mesothelioma (MM) is a highly aggressive cancer that is refractory to all current chemotherapeutic regimens. Therefore, uncovering new rational therapeutic targets is imperative in the field. Tyrosine kinase signaling pathways are aberrantly activated in many human cancers and are

Growth inhibition by tyrosine kinase inhibitors in mesothelioma cell lines.

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Clinical outcome following chemotherapy for malignant pleural mesothelioma is poor and improvements are needed. This preclinical study investigates the effect of five tyrosine kinase inhibitors (PTK787, ZD6474, ZD1839, SU6668 and SU11248) on the growth of three mesothelioma cell lines (NCI H226, NCI

Coactivation of receptor tyrosine kinases in malignant mesothelioma as a rationale for combination targeted therapy.

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BACKGROUND To identify new therapeutic approaches in malignant mesothelioma (MM), we examined the expression and activation of receptor tyrosine kinases (RTKs) and the effects of specific RTK inhibitors and the mammalian target of rapamycin (mTOR) inhibitor rapamycin; the latter being of special

Patients with peritoneal mesothelioma lack epidermal growth factor receptor tyrosine kinase mutations that would make them sensitive to tyrosine kinase inhibitors.

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The epidermal growth factor receptor (EGFR) is a promising target for cancer therapy. The presence of certain somatic mutations in the tyrosine kinase (TK) domain of the EGFR gene is associated with clinical response to TK inhibitors (TKI) in patients with lung adenocarcinoma. In this study we

The selective epidermal growth factor receptor tyrosine kinase inhibitor PD153035 suppresses expression of prometastasis phenotypes in malignant pleural mesothelioma cells in vitro.

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OBJECTIVE Malignant pleural mesothelioma is notoriously refractory to aggressive multimodality therapy. Epidermal growth factor receptor expression has been observed on malignant pleural mesothelioma cells. Epidermal growth factor receptor-mediated signaling promotes tumorigenesis and metastasis of

Receptor tyrosine kinase and phosphoinositide-3 kinase signaling in malignant mesothelioma.

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OBJECTIVE The phosphoinositide-3 kinase signaling pathway is implicated in the development of malignancy and promotes cell-cycle progression and resistance to apoptosis. Malignant mesothelioma tumor specimens demonstrate high levels of the phosphoinositide-3 kinase downstream mediator phosphorylated

The expression of Axl receptor tyrosine kinase influences the tumour phenotype and clinical outcome of patients with malignant pleural mesothelioma.

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BACKGROUND Recent preclinical studies identified Axl, a tyrosine kinase receptor implicated in tumour progression and epithelial-to-mesenchymal transition, as a putative therapeutic target in malignant pleural mesothelioma (MPM), an invariably fatal malignancy with limited treatment options. Here,

SU6668, a multiple tyrosine kinase inhibitor, inhibits progression of human malignant pleural mesothelioma in an orthotopic model.

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OBJECTIVE Malignant pleural mesothelioma (MPM) is an aggressive neoplasm of the mesothelium with high chemotherapeutic resistance. In this study, the preclinical therapeutic activity of the multiple tyrosine kinase inhibitor, SU6668, against MPM was examined. METHODS Two human MPM cell lines with

Receptor tyrosine kinase and downstream signalling analysis in diffuse malignant peritoneal mesothelioma.

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Our aim was to assess the activation profile of EGFR, PDGFRB and PDGFRA receptor tyrosine kinases (RTK) and their downstream effectors in a series of cryopreserved diffuse malignant peritoneal mesothelioma (DMPM) surgical specimens to discover the targets for drug inhibition. We also made a

Proteoglycans in human malignant mesothelioma. Stimulation of their synthesis induced by epidermal, insulin and platelet-derived growth factors involves receptors with tyrosine kinase activity.

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Identification of proteoglycans in two human malignant mesothelioma cell lines, one with epithelial differentiation and the other with fibroblast-like phenotype, and the effects of epidermal (EGF), insulin-like (IGF-I) and platelet-derived (PDGF-BB) growth factors on the synthesis of hyaluronan (HA)

Synthesis and biological evaluation of O-[3-18F-fluoropropyl]-α-methyl tyrosine in mesothelioma-bearing rodents.

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Radiolabeled tyrosine analogs enter cancer cells via upregulated amino acid transporter system and have been shown to be superior to (18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG) in differential diagnosis in cancers. In this study, we synthesized O-[3-(19)F-fluoropropyl]-α-methyl tyrosine ((19)F-FPAMT)

Proteoglycan synthesis induced by transforming and basic fibroblast growth factors in human malignant mesothelioma is mediated through specific receptors and the tyrosine kinase intracellular pathway.

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The effects and the mechanisms of action of transforming (TGF-beta 2) and basic fibroblast (bFGF) growth factors on the synthesis of hyaluronan and proteoglycans (PGs) in human malignant mesothelioma cells have been studied. Two cell lines, one with an epithelial differentiation (STAV-AB) and the

Inhibition of proliferation, migration, and matrix metalloprotease production in malignant mesothelioma cells by tyrosine kinase inhibitors.

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The epidermal growth factor receptor (EGFR) is expressed in a variety of human solid tumors, including malignant mesothelioma. EGFR has been implicated in regulation of cell proliferation, survival, angiogenesis, and metastasis, making it an ideal target for drug development. ZD1839 (gefitinib) and

Critical role of the Ror-family of receptor tyrosine kinases in invasion and proliferation of malignant pleural mesothelioma cells.

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Malignant pleural mesothelioma (MPM) is a highly aggressive tumor with poor prognosis and closely related to exposure to asbestos. MPM is a heterogeneous tumor with three main histological subtypes, epithelioid, sarcomatoid, and biphasic types, among which sarcomatoid type shows the poorest

Sensitivity to epidermal growth factor receptor tyrosine kinase inhibitor requires E-cadherin in esophageal cancer and malignant pleural mesothelioma.

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OBJECTIVE Epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) has limited anticancer efficacy in EGFR-positive esophageal cancer (EsC) and malignant mesothelioma (MPM). The underlying molecular mechanism of resistance to EGFR-TKI in these types of cancer remains unclear. METHODS We

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