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Perspectives
Histone Deacetylase Inhibition Induces Apoptosis in Neuroblastoma
Chitra Subramanian, Anthony W. Opipari, Valerie P. Castle and Roland P.S. Kwok
volume 4 | issue 12
december 2005Pages: 1741 - 1743
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Histone deacetylase inhibitors constitute a promising new treatment for cancer due to their novel site of action and low toxicity. Almost all histone deacetylase inhibitors currently in clinical development have anti-proliferate activities against cells in cultures, and specially cause cell cycle arrest, differentiation and apoptosis. Interestingly, despite their rapid advance into clinical use, the cellular responses leading to these effects remain unclear. We recently reported that histone deacetylase inhibitor treatment induces apoptosis of neuroblastoma cells by increasing the acetylation of Ku70 in the cytoplasm, resulting in the release of Bax from Ku70. Subsequently, Bax releases cytochrome c from mitochondria causing apoptosis. Here we will discuss these findings and the implications of our model for the further clinical development of histone deacetylase inhibitors in the treatment of cancer.
We now provide open access to journal articles published online for one year or more. This article may be downloaded at the following link:
Download PDF If the document does not open, please right-click on the link (control-click on a Macintosh) and select the option to save the file to disk.