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Tumor cells are morphologically different from normal cells. In this situation, we proposed that plectin, one of the intermediate filament associated proteins, might play some special roles in the tumorigenesis. Plectin exhibits a wide distribution spectrum among various tissues; however, it is scarcely investigated in tumor tissues including colorectal(More)
Ectopic pancreatic tissue is an uncommon developmental anomaly. The condition mostly occurs in the gastrointestinal tract and is usually asymptomatic. It rarely causes symptoms of inflammation, bleeding and perforation, and has potential for malignant change. Though it is an uncommon condition, cases of ectopic pancreas have been reported worldwide.(More)
Low-power laser therapy has become popular in clinical applications including promoting wound healing and pain relief. However, effects of this photoradiation on human hepatoma cells are rarely studied. Previously, we found 808 nm gallium aluminum arsenide (GaAlAs) continuous wave laser had an inhibitory effect on the proliferation of human hepatoma cell(More)
Low-power laser irradiation (LPLI) has come into a wide range of use in medical field. Considering basic research, LPLI can enhance DNA synthesis and increases proliferation rate of human cells. But only a few data about the effects of LPLI on human liver or hepatoma cells are available. The cytoskeleton plays important roles in cell function and therefore(More)
Cells of human hepatocellular carcinoma (HCC) were morphologically different from those of normal liver. Intermediate filaments are important in building the architecture of liver cells and are proposed to interact with other cellular components. Synemin is one of intermediate filament associated proteins which can link between intermediate filament and(More)
Plectin is a versatile cytoplasmic cross-linking protein that connects intermediate filaments to microfilaments, microtubules, and membrane adhesion sites. The cross-linking functions of plectin help organize the cytoskeleton into a stable meshwork important for maintaining uniformity in cell size and shape. As cells of hepatocellular carcinoma are(More)
Plectin is a cross-linking protein that organizes the cytoskeleton into a stable meshwork that helps maintain the uniform size and shape of cells. As cells of hepatocellular carcinoma are morphologically different from healthy human hepatocytes, we hypothesized that plectin deficiency and cytoskeletal disorganization underlies this pleomorphic(More)
BACKGROUND Previously we found some low molecular weight proteins identified as histone in hepatocelluar carcinoma. Our objective was to clarify whether the coimmunoprecipitation of histone and cytokeratin 18 was an artifact or not. MATERIALS AND METHODS Histone 3 and cytokeratin 18 were investigated in three cases of human hepatocellular carcinoma and(More)
BACKGROUND Aberrant histone deacetylase expression may cause imbalance between acetylation and deacetylation of histone and play roles in tumor transformation. We found that histone 3 was modulated in human hepatocellular carcinoma. We determined if histone 3 modulation is related to the aberrant expression of histone deacetylase. MATERIALS AND METHODS We(More)
Intermediate filaments are important in building the cellular architecture. Previously we found cytokeratin18 was modulated in human hepatocellular carcinoma. Plectin is a cross-linking protein that organizes the cytoskeleton into a stable meshwork, which can maintain the uniform size and shape of hepatocytes. Because the cells of hepatocellular carcinoma(More)