Functional significance of S6K overexpression in meningiorna progression

被引:30
作者
Surace, EI [1 ]
Lusis, E [1 ]
Haipek, CA [1 ]
Gutmann, DH [1 ]
机构
[1] Washington Univ, Sch Med, Dept Neurol, St Louis, MO 63110 USA
关键词
D O I
10.1002/ana.20201
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
One common genetic change in anaplastic meningiomas is amplification of chromosome 17q23 containing the S6 kinase (S6K) gene. We show, for the first time to our knowledge, increased S6K mRNA expression in anaplastic meningiomas compared with benign tumors. To evaluate S6K as a candidate meningioma progression gene, we generated IOMM-Lee human meningioma cell lines overexpressing S6K. Whereas no effect of S6K overexpression on meningioma cell growth, motility, or adhesion was observed in vitro, S6K overexpression resulted in increased tumor size in vivo. Collectively, these results suggest that S6K is functionally important for meningioma progression and may represent a target for future meningioma therapy.
引用
收藏
页码:295 / 298
页数:4
相关论文
共 19 条
[1]   Alterations of the tumor suppressor genes CDKN2A (p16INK4a), p14ARF, CDKN2B (p15INK4b), and CDKN2C (p18INK4c) in atypical and anaplastic meningiomas [J].
Boström, J ;
Meyer-Puttlitz, B ;
Wolter, M ;
Blaschke, B ;
Weber, RG ;
Lichter, P ;
Ichimura, K ;
Collins, VP ;
Reifenberger, G .
AMERICAN JOURNAL OF PATHOLOGY, 2001, 159 (02) :661-669
[2]  
Büschges R, 2002, BRAIN PATHOL, V12, P145
[3]   Chromosome 1p and 14q FISH analysis in clinicopathologic subsets of meningioma: Diagnostic and prognostic implications [J].
Cai, DX ;
Banerjee, R ;
Scheithauer, BW ;
Lohse, CM ;
Kleinschmidt-DeMasters, BK ;
Perry, A .
JOURNAL OF NEUROPATHOLOGY AND EXPERIMENTAL NEUROLOGY, 2001, 60 (06) :628-636
[4]  
Cai DX, 2001, AM J CLIN PATHOL, V115, P213
[5]  
Couch FJ, 1999, CANCER RES, V59, P1408
[6]  
El-Hashemite N, 2003, CANCER RES, V63, P5173
[7]   The protein 4.1 tumor suppressor, DAL-1, impairs cell motility, but regulates proliferation in a cell-type-specific fashion [J].
Gutmann, DH ;
Hirbe, AC ;
Huang, ZY ;
Haipek, CA .
NEUROBIOLOGY OF DISEASE, 2001, 8 (02) :266-278
[8]   Loss of DAL-1, a protein 4.1-related tumor suppressor, is an important early event in the pathogenesis of meningiomas [J].
Gutmann, DH ;
Donahoe, J ;
Perry, A ;
Lemke, N ;
Gorse, K ;
Kittiniyom, K ;
Rempel, SA ;
Gutierrez, JA ;
Newsham, IF .
HUMAN MOLECULAR GENETICS, 2000, 9 (10) :1495-1500
[9]   TUMOR SUPPRESSION BY THE HUMAN VON HIPPEL-LINDAU GENE-PRODUCT [J].
ILIOPOULOS, O ;
KIBEL, A ;
GRAY, S ;
KAELIN, WG .
NATURE MEDICINE, 1995, 1 (08) :822-826
[10]   TSC2 mediates cellular energy response to control cell growth and survival [J].
Inoki, K ;
Zhu, TQ ;
Guan, KL .
CELL, 2003, 115 (05) :577-590