Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100582
Title: Luteolin suppresses cancer cell proliferation by targeting vaccinia-related kinase 1
Authors: Kim, Ye Seul
Kim, Seong-Hoon
Shin, Joon
Harikishore, Amaravadhi
Lim, Jong-Kwan
Jung, Youngseob
Lyu, Ha-Na
Baek, Nam-In
Choi, Kwan Yong
Yoon, Ho Sup
Kim, Kyong-Tai
Keywords: DRNTU::Science::Biological sciences
Issue Date: 2014
Source: Kim, Y. S., Kim, S.-H., Shin, J., Harikishore, A., Lim, J.-K., Jung, Y., et al. (2014). Luteolin suppresses cancer cell proliferation by targeting vaccinia-related kinase 1. PLoS One, 9(10).
Series/Report no.: PLoS One
Abstract: Uncontrolled proliferation, a major feature of cancer cells, is often triggered by the malfunction of cell cycle regulators such as protein kinases. Recently, cell cycle-related protein kinases have become attractive targets for anti-cancer therapy, because they play fundamental roles in cellular proliferation. However, the protein kinase-targeted drugs that have been developed so far do not show impressive clinical results and also display severe side effects; therefore, there is undoubtedly a need to investigate new drugs targeting other protein kinases that are critical in cell cycle progression. Vaccinia-related kinase 1 (VRK1) is a mitotic kinase that functions in cell cycle regulation by phosphorylating cell cycle-related substrates such as barrier-to-autointegration factor (BAF), histone H3, and the cAMP response element (CRE)-binding protein (CREB). In our study, we identified luteolin as the inhibitor of VRK1 by screening a small-molecule natural compound library. Here, we evaluated the efficacy of luteolin as a VRK1-targeted inhibitor for developing an effective anti-cancer strategy. We confirmed that luteolin significantly reduces VRK1-mediated phosphorylation of the cell cycle-related substrates BAF and histone H3, and directly interacts with the catalytic domain of VRK1. In addition, luteolin regulates cell cycle progression by modulating VRK1 activity, leading to the suppression of cancer cell proliferation and the induction of apoptosis. Therefore, our study suggests that luteolin-induced VRK1 inhibition may contribute to establish a novel cell cycle-targeted strategy for anti-cancer therapy.
URI: https://hdl.handle.net/10356/100582
http://hdl.handle.net/10220/24139
ISSN: 1932-6203
DOI: 10.1371/journal.pone.0109655
Schools: School of Biological Sciences 
Rights: © 2014 Kim et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SBS Journal Articles

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