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Inducing liver-derived dendritic cell proliferation by plasmid-IL-3 and CD40L genes in mice in vivo / 中华肝脏病杂志
Chinese Journal of Hepatology ; (12): 513-516, 2007.
Article in Chinese | WPRIM | ID: wpr-230550
ABSTRACT
<p><b>OBJECTIVES</b>Try to induce liver-derived dendritic cells proliferation by plasmid-IL-3 and CD40L genes in mice in vivo.</p><p><b>METHODS</b>Rapid tail-vein injection of large amounts of plasmid-carrying genes was performed to transfect genes in mice livers. Liver nonparenchymal cells were isolated by Percoll gradient centrifugation. Dendritic cell markers were detected and dendritic cells were sorted out by flow cytometry. Morphology of dendritic cells was studied microscopically (with Giemsa staining) and under scanning electron microscopy.</p><p><b>RESULTS</b>Liver nonparenchymal cells dramatically increased in the liver lobules, portal and periportal areas in the treated group, but not in the control group. B220+/DEC205+ dendritic cells were detected and sorted by flow cytometry. There were more B220+/DEC205+ dendritic cells (16.0%) in the experiment group than those in the control group (1.1%). Morphologically, the sorted B220+/DEC205+ cells showed irregular shaped nuclei, paucity of cytoplasmic granules and extensive cytoplasmic processes.</p><p><b>CONCLUSION</b>B220+/DEC205+ dendritic cells were expanded in vivo in mice livers by rapid tail-vein injection of plasmid-carrying genes encoding IL-3 and CD40L in a large amount. Inducing liver dendritic cell proliferation in vivo provides a more convenient way for studying the biology of these cells.</p>
Subject(s)
Full text: Available Index: WPRIM (Western Pacific) Main subject: Dendritic Cells / Transfection / Interleukin-3 / Hepatocytes / CD40 Ligand / Cell Biology / Flow Cytometry / Genetics / Mice, Inbred C57BL Limits: Animals Language: Chinese Journal: Chinese Journal of Hepatology Year: 2007 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Dendritic Cells / Transfection / Interleukin-3 / Hepatocytes / CD40 Ligand / Cell Biology / Flow Cytometry / Genetics / Mice, Inbred C57BL Limits: Animals Language: Chinese Journal: Chinese Journal of Hepatology Year: 2007 Type: Article