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Induction of lymphangiogenesis by mouse ascites hepatoma cell H22 in vitro / 中华肿瘤杂志
Chinese Journal of Oncology ; (12): 39-42, 2003.
Article in Chinese | WPRIM | ID: wpr-347498
ABSTRACT
<p><b>OBJECTIVE</b>To construct lymphangiogenesis model of Balb/c mouse in vitro to observe the impact of mouse ascites hepatoma cell H22 on the lymphangiogenesis and lymphatic endothelial proliferation.</p><p><b>METHODS</b>Intraperitoneal benign lymphangioma induced by incomplete Freund's adjuvant in Balb/c mouse was harvested and embedded in fibrin gel to culture in vitro with conditioned medium (CM) of H22 cell. The gels, observed by inverted microscope and transmission electron microscope, were then digested to separate the cells. The expression of Flt-4, c-fos and iNOS in the cell and the content of NO in medium were studied by immunohistochemical and histochemical method.</p><p><b>RESULTS</b>Lymphatic capillary generating from lymphangioma specimen in the gels was observed by inverted microscope and transmission electron microscope. H22 CM was observed to enhance growth of the vessels, induce expressions of Flt-4, c-fos and iNOS in the separated cells and increase content of NO in the medium.</p><p><b>CONCLUSION</b>The model is convenient for in vitro study of lymphangiogenesis. H22 cell can accelerate lymphangiogenesis, which warrants further study for the understanding of the role of lymphangiogenesis in metastasis.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Ascites / Immunohistochemistry / Tumor Cells, Cultured / Microscopy, Electron / Carcinoma, Hepatocellular / Liver Neoplasms / Lymphatic Metastasis / Metabolism / Mice, Inbred BALB C Limits: Animals Language: Chinese Journal: Chinese Journal of Oncology Year: 2003 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Pathology / Ascites / Immunohistochemistry / Tumor Cells, Cultured / Microscopy, Electron / Carcinoma, Hepatocellular / Liver Neoplasms / Lymphatic Metastasis / Metabolism / Mice, Inbred BALB C Limits: Animals Language: Chinese Journal: Chinese Journal of Oncology Year: 2003 Type: Article