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KMID : 0617220000110010099
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Duksung Bulletin Phamaceutical Sciences
2000 Volume.11 No. 1 p.99 ~ p.106
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Apicidin, an inhibitor of histone deacetylase, prevents H-ras-induced invasive phenotype
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Kim, Mi-Sung
Son, Mi-Won/Kim, Won-Bae/Park, Young In/Moon, Aree
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Abstract
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Cancer metastasis represents the most important cause of cancer death and agents that may inhibit tumor cell invasion have been extensively pursued. In the present study, we have examined the anti-invasive effect of apicidin [cyclo(N-O-methyl-L-tryptophanyl-L-isoleucinyl-D-pipecolinyl-L-2-amino-8-oxodecanoyl)], a fungal metabolite that was identified as an antiprotozoal agent known to inhibit parasite histone deacetylase (HDAC). We show that apicidin significantly inhibits H-ras-induced invasive phenotype of MCF10A human breast epithelial cellsin paraliel with a specific downregulation of matrix metalloproteinase (MMP)-2, but not MMP-9. We also show that apicidin induces a morphological reversal and growth inhibition of H-ras MCF10A cells similar to that induced by other HDAC inhibitors. Taken in conjunction with the fact that uncontrolled ras activation is probably the most common genetic defect in human cancer cells, our data showing the anti-invasive and detransforming activities of apicidin in H-ras-transformed MCF10A cells may suggest a potential use of HDAC inhibitors for treatment of cancer. ⓒ 2000 Elsevier Science Ireland Ltd. All rights reserved
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