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236 Result(s)
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Article
Apoptosis of human BEL-7402 hepatocellular carcinoma cells released by antisense H-ras DNA-in vitro and in vivo studies
Recent findings suggest that over-expression of activated H-ras inhibited apoptotic cell death by blocking the activity of apoptotic endonuclease(s). This study was designed using antisense H-ras oligodeoxynucleo...
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A ribozyme specifically suppresses transformation and tumorigenicity of Ha-ras-oncogene-transformed NIH/3T3 cell lines
In this study, the efficacy of an anti-ras ribozyme in reversing a transformed phenotype was investigated. A murine NIH/3T3-derived cell line, designated 2–12, contains an inducible Ha-ras oncogene, which is regu...
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Article
Epstein-Barr virus in synergy with tumor-promoter-induced malignant transformation of immortalized human epithelial cells
It is difficult to study how Epstein-Barr virus (EBV) causes transformation of human epithelial cells. The major difficulty is that cultured human epithelial cells do not express EBV receptor (complement recep...
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Article
Fatal mycobacteremia caused by Mycobacterium tuberculosis in a patient with acute leukemia
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Article
Sensitive detection of micrometastases in bone marrow from patients with breast cancer using immunomagnetic isolation of tumor cells in combination with reverse transcriptase/polymerase chain reaction for cytokeratin-19
We report a highly sensitive method to detect rare human breast cancer cells, which combines an immunomagnetic separation (IMS) using antibody BM2 against MUC-1 with cytokeratin-19 (CK19) and the reverse tran...
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Article
Octreotide acts as an antitumor angiogenesis compound and suppresses tumor growth in nude mice bearing human hepatocellular carcinoma xenografts
To investigate the effect of octreotide on angiogenesis induced by human hepatocellular carcinoma (HCC) and to evaluate whether octreotide can suppress tumor growth in nude mice bearing human HCC xenografts th...
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Article
Activation of c-Jun N-terminal kinase 1 and caspase 3 in the tamoxifen-induced apoptosis of rat glioma cells
The mechanisms of the antitumor effects of tamoxifen upon gliomas are still unclear. In this study, we investigated the role of c-Jun N-terminal kinase-1 (JNK1) and caspase 3 in the tamoxifen-induced apoptosi...
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Interferon-alpha 2a up-regulated thymidine phosphorylase and enhanced antitumor effect of capecitabine on hepatocellular carcinoma in nude mice
To investigate the antitumor effect of interferon-alpha 2a (IFN-α2a) combined with capecitabine on hepatocellular carcinoma (HCC) in nude mice in relation to thymidine phosphorylase (TP) expression.
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Article
Allelic loss of 14q32 in the pathogenesis of gastrointestinal and ampullary malignancies: map** of the target region to a 17 cM interval
The genetic basis for gastrointestinal and ampullary carcinomas remains uncertain. This study was performed to pinpoint novel chromosomal region involved in the tumorigenesis of gastrointestinal tract.
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Article
Transfection of thymidine phosphorylase cDNA to human hepatocellular carcinoma cells enhances sensitivity to fluoropyrimidine but augments endothelial cell migration
Purpose: To investigate the effects on sensitivity to fluoropyrimidine and endothelial cell (EC) migration by transfection with thymidine phosphorylase (TP) cDNA to a hepatocellular carcinoma (HCC) cell line S...
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Article
In vivo detection of metabolic changes by 1 H-MRS in the DEN-induced hepatocellular carcinoma in wistar rat
Purpose: To investigate the serial changes of the hepatic metabolites in a chemical-induced rat model of hepatocellular carcinoma (HCC) in vivo by a clinical 1.5 T MR scanner. Methods: Di...
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Article
Overexpression of cyclooxygenase-2 in gastric cancer correlates with the high abundance of vascular endothelial growth factor-C and lymphatic metastasis
Cyclooxygenase-2 (COX-2) and vascular endothelial growth factor (VEGF)-C are closely related with the development and metastasis of tumors. The gene expression of COX-2 and VEGF-C in gastric cancer and the cor...
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Article
Chemically modified heparin inhibits the in vitro adhesion of nonsmall cell lung cancer cells to P-selectin
Purpose: Several independent studies have indicated that tumor metastasis can be inhibited by chemically modified heparin with low anticoagulant activity in the different tumor models. Th...
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Article
Evidence for an oncogenic role of AHI-1 in Sezary syndrome, a leukemic variant of human cutaneous T-cell lymphomas
Ahi-1 (Abelson helper integration site 1) is a novel gene frequently activated by provirus insertional mutagenesis in murine leukemias and lymphomas. Its involvement in human leukemogenesis is demonstrated by ...
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Article
Clinical significance of aromatase protein expression in axillary node negative breast cancer
Aromatase catalyzes the conversion of androgens to estrogens; its high expression in breast cancers may be responsible for the local high levels of estrogen and may promote tumor growth and progression; howeve...
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Aberrant expression of Eag1 potassium channels in gastric cancer patients and cell lines
Recently, an interesting relationship between potassium channels and cancer has evolved. The aim of this study is to investigate expression of Eag1 potassium channel in gastric cancer and its role in cancer ce...
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Article
Nuclear to cytoplasmic shift of p33ING1b protein from normal oral mucosa to oral squamous cell carcinoma in relation to clinicopathological variables
p33ING1b, as a candidate tumour suppressor gene, has been found to be expressed a proportion of oral squamous cell carcinomas (OSCCs), however, its clinicopathological significance is not studied yet. Our aim was...
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Article
Increased polycomb-group oncogene Bmi-1 expression correlates with poor prognosis in hepatocellular carcinoma
Recent studies have identified polycomb-group gene Bmi-1 as oncogene in the generation of mouse pre-cell lymphomas, and overexpression of Bmi-1 has been found in several human tumor with the disease progress a...
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Article
Synergistic antitumor effect of CXCL10 with hyperthermia
IFN–inducible protein 10 (IP-10)/CXCL10 (CXC chemokine ligand 10) has been described as an antiangiogenic chemokine and displays a potent antitumor activity in vivo. In the present study, we try to investigate...
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Article
Selection of reference genes for real-time PCR in human hepatocellular carcinoma tissues
To investigate the most suitable housekee** genes for quantifying a change in mRNA expression levels due to hepatitis virus B related hepatocellular carcinoma (HCC).