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高渗培养条件下大鼠红白血病细胞的红系分化与定向分化

Erythroid differentiation and commitment in rat erythroleukemia cells with hypertonic culture conditions.

作者信息

Yamaguchi Y, Kluge N, Ostertag W, Furusawa M

出版信息

Proc Natl Acad Sci U S A. 1981 Apr;78(4):2325-9. doi: 10.1073/pnas.78.4.2325.

Abstract

Cell cultures of 7,12-dimethylbenz[a]anthracene-induced rat erythroleukemia can be stimulated to synthesize hemoglobin when cultured in hypertonic media. During hypertonic treatment the intracellular osmotic conditions immediately readjust to those of the extracellular medium. None of the Friend virus-induced mouse erythroleukemia cell lines was inducible for differentiation with the same hypertonic culture conditions used for rat cells. Earliest commitment to erythroid terminal differentiation by hypertonic treatment of cells grown in either Eagle's or Joklik's medium occurs coincident with the commitment induced by hexamethylenebisacetamide. These results make it likely that induction of differentiation in rat erythroleukemia cells is a cell membrane-mediated event.

摘要

用7,12-二甲基苯并[a]蒽诱导的大鼠红白血病细胞培养物,在高渗培养基中培养时可被刺激合成血红蛋白。在高渗处理期间,细胞内的渗透条件会立即重新调整至与细胞外培养基相同。对于用于大鼠细胞的相同高渗培养条件,没有一种Friend病毒诱导的小鼠红白血病细胞系可被诱导分化。在伊格尔氏培养基或乔克利克氏培养基中生长的细胞经高渗处理后,最早向红系终末分化的定向与由六甲撑双乙酰胺诱导的定向同时发生。这些结果表明,大鼠红白血病细胞的分化诱导可能是一个细胞膜介导的事件。

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Lipid changes associated with erythroid differentiation of Friend erythroleukemia cells.
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