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首页> 外文期刊>Clinical and diagnostic laboratory immunology >Comparison of Polymorphonuclear Cells from Healthy Donors and Differentiated HL-60 Cells as Phagocytes in an Opsonophagocytic Assay Using Antigen-Coated Fluorescent Beads
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Comparison of Polymorphonuclear Cells from Healthy Donors and Differentiated HL-60 Cells as Phagocytes in an Opsonophagocytic Assay Using Antigen-Coated Fluorescent Beads

机译:使用抗原包被的荧光微珠在调理吞噬试验中比较健康供体的多形核细胞和分化为吞噬细胞的HL-60细胞

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Polymorphonuclear cells (PMNs) from healthy donors and differentiated HL-60 cells were compared in an opsonophagocytic assay using fluorescent latex beads coated with Streptococcus pneumoniae polysaccharide conjugates. Serum-specific phagocytosis was efficiently mediated by both sources of cells, as measured by flow cytometry, but the mean number of beads ingested per cell was three- to fivefold higher when PMNs were used than when HL-60 cells were used. Nevertheless, differentiated HL-60 cells could be a convenient and standardized source of cells to evaluate the functionality of specific antibodies to vaccine candidates as a coating on fluorescent beads.
机译:使用涂有肺炎链球菌多糖缀合物的荧光乳胶珠在调理吞噬试验中比较健康供体的多形核细胞(PMN)和分化的HL-60细胞。通过流式细胞术测量,两种细胞来源均能有效地介导血清特异性吞噬作用,但使用PMN时,每个细胞摄入的平均珠粒数比使用HL-60细胞时高三到五倍。然而,分化的HL-60细胞可能是方便,标准化的细胞来源,用于评估针对候选疫苗的特异性抗体作为荧光珠涂层的功能。

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