A suppressive role of p125FAK protein tyrosine kinase hydrogen peroxide-induced apoptosis of T98G cells

被引:59
作者
Sonoda, Y [1 ]
Kasahara, T [1 ]
Yokota-Aizu, E [1 ]
Ueno, M [1 ]
Watanabe, S [1 ]
机构
[1] Kyoritsu Coll Pharm, Minato Ku, Tokyo, Japan
关键词
D O I
10.1006/bbrc.1997.7895
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
Protein tyrosine phosphorylation was examined on a human glioblastoma cell line, T98G, after exposure to oxidative stress in vitro. Hydrogen peroxide (1 mM) markedly induced tyrosine phosphorylation of a 125 kDa protein at 30 min after stimulation. The 125-kDa molecule phosphorylated was revealed to be a focal adhesion kinase (FAK). Tyrosine phosphorylation of p125FAK continued at least up to 5h, and decreased after 8h concomitant with apoptosis. Tyrosine phosphorylation of p125FAK was blocked by herbimycin A, a potent inhibitor of protein tyrosine kinases, while apoptosis was accelerated. When T98G cells were incubated with FAK antisense oligonucleotide, apoptosis was also accelerated. These results suggest that tyrosine phosphorylation of p125FAK plays a suppressive role in hydrogen peroxide-induced apoptosis. (C) 1997 Academic Press.
引用
收藏
页码:769 / 774
页数:6
相关论文
共 31 条
[21]   AUTOPHOSPHORYLATION OF THE FOCAL ADHESION KINASE, PP125(FAK), DIRECTS SH2 DEPENDENT BINDING OF PP60(SRC) [J].
SCHALLER, MD ;
HILDEBRAND, JD ;
SHANNON, JD ;
FOX, JW ;
VINES, RR ;
PARSONS, JT .
MOLECULAR AND CELLULAR BIOLOGY, 1994, 14 (03) :1680-1688
[22]  
SCHIEVEN GL, 1993, J BIOL CHEM, V268, P16688
[23]  
SEUFFERLEIN T, 1994, J BIOL CHEM, V269, P9345
[24]  
SINNETTSMITH J, 1993, J BIOL CHEM, V268, P14261
[25]   Stimulation of interleukin-8 production by okadaic acid and vanadate in a human promyelocyte cell line, an HL-60 subline - Possible role of mitogen-activated protein kinase on the okadaic acid-induced NF-kappa B activation [J].
Sonoda, Y ;
Kasahara, T ;
Yamaguchi, Y ;
Kuno, K ;
Matsushima, K ;
Mukaida, N .
JOURNAL OF BIOLOGICAL CHEMISTRY, 1997, 272 (24) :15366-15372
[26]   Oxidative stress triggers tyrosine phosphorylation in B cells through a redox- and inflammatory cytokine-sensitive mechanism [J].
Suzuki, Y ;
Ohsugi, K ;
Ono, Y .
IMMUNOLOGY, 1996, 87 (03) :396-401
[27]  
VEDA N, 1992, J CLIN INVEST, V90, P2593
[28]   HUMAN T-LYMPHOCYTE AND B-LYMPHOCYTE EXPRESS A STRUCTURALLY CONSERVED FOCAL ADHESION KINASE, PP125(FAK) [J].
WHITNEY, GS ;
CHAN, PY ;
BLAKE, J ;
COSAND, WL ;
NEUBAUER, MG ;
ARUFFO, A ;
KANNER, SB .
DNA AND CELL BIOLOGY, 1993, 12 (09) :823-830
[29]  
Xu LH, 1996, CELL GROWTH DIFFER, V7, P413
[30]  
YAMAGUCHI Y, 1991, BLOOD, V78, P2542