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经弗氏病毒转化的细胞集落中的红细胞生成分化

Erythropoietic differentiation in colonies of cells transformed by Friend virus.

作者信息

Singer D, Cooper M, Maniatis G M, Marks P A, Rifkind R A

出版信息

Proc Natl Acad Sci U S A. 1974 Jul;71(7):2668-70. doi: 10.1073/pnas.71.7.2668.

Abstract

Cells transformed by Friend virus in liquid suspension culture respond to low concentrations of dimethylsulfoxide by initiating hemoglobin synthesis. The kinetics of appearance of such differentiated erythroid cells is consistent with either the induction of differentiation in a uniformly susceptible population of transformed cells or selection for the growth of a distinct erythropoietic subpopulation. The dimethylsulfoxide response of individual colonies of cells transformed by Friend virus grown in semisolid medium was studied in order to distinguish between these alternatives. The data do not support a selective effect of dimethylsulfoxide on the growth of a unique erythropoietic subpopulation; they indicate, rather, that the 745A strain of cells transformed by Friend virus consists of a relatively uniform population of dimethylsulfoxide-sensitive erythropoietic cells.

摘要

在液体悬浮培养中被弗氏病毒转化的细胞,通过启动血红蛋白合成来响应低浓度的二甲基亚砜。这种分化的红系细胞出现的动力学,与在均匀易感的转化细胞群体中诱导分化,或选择生长一个独特的促红细胞生成亚群相一致。为了区分这些可能性,研究了在半固体培养基中生长的弗氏病毒转化细胞的单个集落对二甲基亚砜的反应。数据不支持二甲基亚砜对独特促红细胞生成亚群生长的选择性作用;相反,它们表明,被弗氏病毒转化的745A细胞株由相对均匀的对二甲基亚砜敏感的促红细胞生成细胞群体组成。

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