PROTEIN-KINASE C-GAMMA IS PRESENT IN ADRIAMYCIN RESISTANT HL-60 LEUKEMIA-CELLS

被引:60
作者
AQUINO, A
WARREN, BS
OMICHINSKI, J
HARTMAN, KD
GLAZER, RI
机构
[1] NCI,DIV CANC ETIOL,EXPTL CARCINOGENESIS LAB,BETHESDA,MD 20892
[2] UNIV TEXAS,MD CANC CTR,DEPT CARCINOGENESIS,SMITHVILLE,TX 78957
关键词
D O I
10.1016/0006-291X(90)90869-O
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The isoform pattern of protein kinase C (PKC) was examined in wild-type and Adriamycin-resistant ( HL-60 AR) HL-60 leukemia cells. Analyses were carried out by immunoblotting with mouse monoclonal antibodies against PKC-α and PKC-β and a rabbit polyclonal antibody against the variable (V3) region of PKC-γ. HL-60 AR cells contained an equivalent level of PKC-ga and a lower amount of PKC-β than HL-60 cells. In contrast, only HL-60 AR cells contained PKC-γ. These results indicate that the regulation of this family of isoenzymes is altered in drug-resistant cells. © 1990.
引用
收藏
页码:723 / 728
页数:6
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