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Title 

Gene expression profiling of KBH-A42, a novel histone deacetylase inhibitor, in human leukemia and bladder cancer cell lines

Authors 

M KangJong Soon KangJeong Wook YangBo Geun KimJin-A KimYung Nang JoK LeeChang Woo LeeKi Hoon LeeJi Eun YunH M KimG HanJ S KangS K Park

Publisher 

Spandidos Publications

Issue Date 

2012

Citation 

Oncology Letters, vol. 3, no. 1, pp. 113-118

Keywords 

ApoptosisCell cycle arrestHistone deacetylase inhibitorMicroarray

Abstract 

The aim of this study was to investigate the anti-tumor activity of KBH-A42, a novel synthetic histone deacetylase (HDAC) inhibitor. KBH-A42 was shown to significantly suppress the proliferation of all 14 human cancer cell lines tested. Among these cell lines, the human leukemia cell line K562 was the most sensitive, whereas the UM-UC-3 bladder cancer cells were the least sensitive. Additionally, in a human tumor xenograft model using Balb/c nude mice, KBH-A42 was shown to significantly inhibit the growth of K562 tumors, although it only slightly inhibited the growth of UM-UC-3 tumors. The results of flow cytometry analysis and caspase 3/7 activation assays showed that the growth inhibition of K562 cells by KBH-A42 was mediated, at least in part, by the induction of apoptosis, but its growth inhibitory effects on UM-UC-3 cells were not mediated by apoptotic induction. In an effort to gain insight into the mechanism by which KBH-A42 inhibits the growth of cancer cells, a microarray analysis was conducted. Four genes were selected from the genes that were down-regulated or up-regulated by KBH-A42 and confirmed via reverse transcription-polymerase chain reaction as follows: Harakiri (HRK), tumor necrosis factor receptor superfamily, member 10b (TNFRSF10B), PYD and CARD domain containing protein gene (PYCARD) and tumor necrosis factor receptor superfamily, member 8 (TNFRSF8). Collectively, the in vitro and in vivo results suggested that KBH-A42 exhibits anti-cancer activity, but various types of cells may be regulated differentially by KBH-A42.

ISSN 

1792-1074

Link 

http://dx.doi.org/10.3892/ol.2011.430

Appears in Collections

1. Journal Articles > Journal Articles

Registered Date

2019-05-02


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