黄芪多糖对有核细胞分泌造血细胞因子的影响

目的 研究注射用黄芪多糖对分离的人外周血单个核细胞(PBMC)分泌造血细胞因子的影响，以支持黄芪多糖的造血活性。方法 取正常人浓缩白细胞，分离出人PBMC单细胞悬液，进行细胞培养，采用酶联免疫吸附方法(EUSA)，测定上清液中的粒细胞集落刺激因子(G—CSF)、粒细胞巨噬细胞集落刺激因子(CM—CSF)等造血细胞因子。结果 注射用黄芪多糖能刺激人PBMC产生大量的G—CSF和CM—CSF，表现出明显的量效关系和时效关系。结论 注射用黄芪多糖在体外能刺激人PBMC产生G—CSF和CM—CSF造血细胞因子，且呈明显的量效关系和时效关系，提示其有升高白细胞的作用，展示其临床应用前景。

Effect of Astragalus Polysaccharide in Stimulating the Secretion of Hematopoietic Growth Factors from Activated Human PBMC

Objective To investigate the effects of Astragalus Polysaccharide (for intravenous injection) in stimulating the secretion of hematopoietic growth factors from activated human peripheral blood mononuclear cells (PBMC). Methods Human PBMC were isolated from concentrated leukocytes and were cultured with Astragalus Polysaccharide. Hematopoietic growth factors such as granulocyte colony-stimulating factor (G-CSF) and granulocyte-macrophage colony-stimulating factor (GM-CSF) in the supernatant were determined by enzyme-linked immunosorbent assay (ELISA). Results Astragalus Polysaccharide stimulated G-CSF and GM-CSF formation in a dose-dependent and a dose-effect and time-dependent manner. Conclusion Astragalus Polysaccharide can stimulate the secretion of hematopoietic growth factors from activated human PBMC, indicating its clinical application for leukocytopoiesis.