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OX40 (CD134) is a tumor necrosis factor (TNF) receptor expressed mainly on activated T cells and transmits a potent costimulatory signal once engaged. Agonistic anti-OX40 monoclonal antibody (mAb) enhances tumor immune response leading to therapeutic effects in mouse tumor models. However, when tested in phase I clinical trials it did not show objective(More)
The relationship between KRAS and NF-κB in colorectal cancer is not clear. Western blotting was used to determine whether KRAS knockdown in SW620 cells altered the levels of NF-κB-p65 and other molecules. Furthermore, we investigated the association between the KRAS status and NF-κB expression in 167 colorectal cancers(More)
BACKGROUND AND OBJECTIVE Cytokine-induced killer (CIK) cells have high anti-tumor activity for hepatocellular carcinoma (HCC). Whether CIK cell therapy can eradicate residual cancer cells and prevent or postpone tumor relapse after transcatheter arterial chemoembolization (TACE) should be testified. This study was to evaluate the efficacy of CIK cell(More)
PURPOSE To define mitochondrial protein markers related to liver cancer. EXPERIMENTAL DESIGN Mitochondrial subproteomes of 20 patient-derived liver carcinoma and tumor-free control tissues were performed by 2DE coupled with MALDI-TOF/TOF. The altered patterns of three identified proteins were validated by Western blot and immunohistochemistry. RESULTS(More)
To determine the relationship between the expression of phosphatase and tensin homologue (PTEN) and epidermal growth factor receptor (EGFR) in metastatic colorectal cancer (mCRC) and the clinical outcome of cetuximab-containing chemotherapy. A total of 158 consecutive mCRC patients with wild-type KRAS status who received chemotherapy with or without(More)
IEX-1 is an early response and NF-kappaB target gene implicated in the regulation of cellular viability. We show here that IEX-1 is a substrate for ERKs and that IEX-1 and ERK regulate each other's activities. IEX-1 was isolated by phosphorylation screening with active ERK2 and found subsequently phosphorylated in vivo upon ERK activation. IEX-1 interacts(More)
Upregulation of nuclear factor-κB (NF-κB) in colorectal carcinoma (CRC) accelerates tumor growth, whereas, irinotecan (CPT-11)-induced NF-κB activation reduces chemosensitivity and weakens the anti-colorectal cancer function itself, while proteasome inhibitors can inhibit NF-κB and improve the effect of chemotherapy. Carfilzomib (CFZ) is a novel proteasome(More)
Chronic myelogenous leukemia (CML) is characterized by the presence of Bcr-Abl oncoprotein. Gleevec has been designed to treat many CML patients by specifically targeting Bcr-Abl, but resistance to it is already apparent in many cases. In CML cells, Bcr-Abl activates several signaling pathways, including the Ras-dependent pathway, in which growth factor(More)
BACKGROUND Evidence shows a strong relationship between KRAS mutations and the NF-κB signaling pathway. In colorectal cancer, however, the study of this subject has been very limited and results are inconsistent. AIMS To examine the relationship between KRAS mutations and NF-κB activation and their effect on chemotherapy response and survival of(More)
Platinum-based chemotherapy regimens are often recommended for patients with unresectable thymic carcinoma. In more than 60 cases, however, the systemic chemotherapy provides little benefit. In this report, we described a case of advanced KIT- and VEGF-positive thymic carcinoma with liver and lung metastasis. The patient, a 46-year-old man, exhibited a(More)