Lysyl oxidase (LOX) mRNA expression and genes of the differentiated osteoblastic phenotype are upregulated in human osteosarcoma cells by suramin

被引:6
作者
Buchinger, B. [1 ,2 ]
Spitzer, S. [1 ,2 ]
Karlic, H. [3 ]
Klaushofer, K. [1 ,2 ]
Varga, F. [1 ,2 ]
机构
[1] Hanusch Hosp WGKK, Ludwig Boltzmann Inst Osteol, A-1140 Vienna, Austria
[2] Hanusch Hosp, AUVA Trauma Ctr Meidling, Dept Med 4, A-1140 Vienna, Austria
[3] Hanusch Hosp, Ludwig Boltzmann Inst Leukemia Res & Hematol, A-1140 Vienna, Austria
关键词
osteosarcoma cells; suramin; lysyl oxidase; osteocalcin; telomerase activity;
D O I
10.1016/j.canlet.2008.02.008
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
It is well known that suramin influences proliferation and differentiation of tumour cells. To study whether and how suramin effects osteosarcoma (OS) cells, proliferation, differentiation, LOX mRNA expression and telomerase activity (TA) was analysed in the human MG-63 and U-2 OS, and the rat UMR-106 OS cell lines. Data show that suramin inhibited proliferation in the human cell lines and upregulated alkaline phosphatase activity. TA was attenuated in the human cells while in UMR-106 it was not changed. In UMR-106 suramin had no influence on osteocalcin and LOX expression, in the human cells however, both genes were upregulated. (C) 2008 Elsevier Ireland Ltd. All rights reserved.
引用
收藏
页码:45 / 54
页数:10
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