Buthionine sulfoximine induced growth inhibition in human lung carcinoma cells does not correlate with glutathione depletion
Buthionine sulfoximine induced growth inhibition in human lung carcinoma cells does not correlate with glutathione depletion
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丁硫氨酸亚砜亚胺诱导的人肺癌细胞生长抑制与谷胱甘肽消耗无关
DOI:
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发表时间:
1991
影响因子:
6.1
通讯作者:
M. Duane Enger
中科院分区:
文献类型:
--
作者:
Yu;D. Emery;M. Duane Enger
Treatment of A549 human lung carcinoma cells with L-buthionine-[S,R]-sulfoximine (BSO) results concomitantly in cellular glutathione (GSH) depletion and growth inhibition. The nature of BSO effects on cell growth and the relationships between BSO inhibition of cell growth and BSO effects on cellular GSH levels were determined in this study. A dose dependent effect of BSO on cell growth was observed, but this effect was found not to correlate with BSO effects on cellular GSH levels. Treatment with BSO for 60 h at concentrations of 5 and 10 mM was found to deplete cellular GSH at similar rates and to an undetectable level (below 0.5 nmol/mg protein). However, cessation of growth occured in 10 mM BSO whereas growth continued at better than one half the control rate in 5 mM BSO. The results suggest there may be a distinct threshold level of intracellular G GSH (on the order of or less than 0.5 nmol/mg protein) required for cell growth and for cells to protect themselves from the antiproliferative effects of BSO. At a concentration of 10 mM, BSO inhibited both DNA and protein synthesis and arrested growth of A549 cells throughout rather than at a specific phase of the cell cycle. BSO inhibition of growth was not, as indicated by colony-forming efficiency (CFE) and electron microscopy studies, accompanied by indications of cytotoxic effects. A stimulatory effect of 0.1 mM BSO on the growth of A549 cells was found also.
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影响因子:
11.2
作者:
Smith,AC;Liao,JT;Page,JG;Wientjes,MG;Grieshaber,CK
通讯作者:
Grieshaber,CK
DOI:
--
发表时间:
1981
期刊:
Journal of immunology (Baltimore, Md. : 1950)
影响因子:
--
作者:
Fischman,CM;Udey,MC;Kurtz,M;Wedner,HJ
通讯作者:
Wedner,HJ
影响因子:
3.5
作者:
Kang,YJ;Enger,MD
通讯作者:
Enger,MD
DOI:
10.1016/0006-291x(83)90842-2
发表时间:
1983
影响因子:
3.1
作者:
Post,GB;Keller,DA;Connor,KA;Menzel,DB
通讯作者:
Menzel,DB
影响因子:
11.2
作者:
Skapek,SX;Colvin,OM;Griffith,OW;Elion,GB;Bigner,DD;Friedman,HS
通讯作者:
Friedman,HS