Title |
Effect of Heat Shock Protein 90 (Hsp90) on Migration and Invasion of Human Cancer Cells in Vitro
|
---|---|
Published in |
Bulletin of Experimental Biology and Medicine, August 2014
|
DOI | 10.1007/s10517-014-2595-9 |
Pubmed ID | |
Authors |
A. V. Snigireva, V. V. Vrublevskaya, Yu. Yu. Skarga, Yu. V. Evdokimovskaya, O. S. Morenkov |
Abstract |
We studied the effect of purifi ed native heat shock protein 90 (Hsp90) from bovine and mouse brain on migration and invasion of human glioblastoma (A-172) and fi brosarcoma (HT1080) cells. Hsp90 in concentrations of 0.01-0.10 mg/ml stimulated migration and invasion of tumor cells in vitro by 20-32% (p<0.05). Polyclonal antibodies to Hsp90 blocked the Hsp90-dependent stimulation of cell invasion, which indicates specifi city of the stimulating effect of extracellular Hsp90 on tumor cell invasion. Hence, extracellular Hsp90 can be considered as a promising molecular target, because its inhibition can suppress invasion and metastasizing of tumor cells. |
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