Cell cycle-dependent reactivity with the monoclonal antibody Ki-67 during myeloid cell differentiation.

Cell cycle-dependent reactivity with the monoclonal antibody Ki-67 during myeloid cell differentiation.
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骨髓细胞分化过程中与单克隆抗体 Ki-67 的细胞周期依赖性反应。

DOI:
10.1016/0014-4827(88)90350-3
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发表时间:
1988
影响因子:
3.7
通讯作者:
Koss,LG
Koss,LG
中科院分区:
医学3区
文献类型:
--
作者:
Wersto,RP;Herz,F;Gallagher,RE;Koss,LG

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采用多参数流式细胞术检测Ki-67单克隆抗体在人早幼粒细胞白血病细胞系HL-60中的特异性和敏感性。虽然DNA含量和Ki-67免疫荧光的相关测量表明,抗原存在于细胞周期的所有阶段,与抗体的反应性是最高的增殖S和G2+ M细胞。基于与Ki-67的反应性分选的细胞的BrdU含量的分析显示Ki-67反应性与BrdU摄取之间的相关性。在用二甲基亚砜(DMSO)诱导分化的HL-60细胞中,与Ki-67反应性的丧失导致细胞退出细胞周期。这在DMSO耐药HL-60细胞中未观察到。这些结果验证了Ki-67抗体用于确定培养物中哺乳动物细胞增殖阶段的有用性。
The specificity and sensitivity of the monoclonal antibody Ki-67 in identifying proliferating cell compartments was tested with the human promyelocytic leukemia cell line HL-60 using multi-parameter flow cytometry. While correlated measurements of DNA content and Ki-67 immunofluorescence indicated that the antigen was present in all phases of the cell cycle, reactivity with the antibody was highest in proliferating S and G2+ M cells. The analysis of the BrdU content of cells sorted on the basis of reactivity with Ki-67 showed a correlation between Ki-67 reactivity and BrdU uptake. In HL-60 cells induced to differentiate with dimethyl sulfoxide (DMSO), the loss of reactivity with Ki-67 paralleled the exit of cells from the cell cycle. This was not observed in DMSO-resistant HL-60 cells. These results validate the usefulness of the Ki-67 antibody for determining the proliferative stage of mammalian cells in culture.
秀丽隐杆线虫早期胚胎细胞质组织所需的两个基因座。
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