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Abstract ▼ AI-Helper

The purpose of this research was to investigate the effect of Codonopsis lanceolatae Radix water extract(CLE) on immunocytes. The effect of CLE on the proliferation of thymocytes was estimated by MTT colorimetric assay, sub-population of thymocytes was estimated by laser flow cytometry, production o...

The purpose of this research was to investigate the effect of Codonopsis lanceolatae Radix water extract(CLE) on immunocytes. The effect of CLE on the proliferation of thymocytes was estimated by MTT colorimetric assay, sub-population of thymocytes was estimated by laser flow cytometry, production of nitric oxide from macrophages was estimated by Griess method, and phagocytosis of human polymorphonuclear cells was estimated by lucigenin chemiluminescence. CLE increased the proliferation of thymocytes in vivo, but did not affect the proliferation of thymocytes in vitro. CLE accelerated the activation of heper T cells in thymocytes. CLE inhibited the production of nitric oxide from peritoneal macrophages, and increased the phagocytosis of human polymorphonuclear cells. These results suggest that CLE have immuno-regulatory action in vivo.

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