Abstract:
:Aberrant expression of cell cycle regulators have been implicated in prostate cancer development and progression. Therefore, understanding transcriptional networks controlling the cell cycle remain a challenge in the development of prostate cancer treatment. In this study, we found that icilin, a super-cooling agent, down-regulated the expression of cell cycle signature genes and caused G1 arrest in PC-3 prostate cancer cells. With reverse-engineering and an unbiased interrogation of a prostate cancer-specific regulatory network, master regulator analysis discovered that icilin affected cell cycle-related transcriptional modules and identified E2F1 transcription factor as a target master regulator of icilin. Experimental analyses confirmed that icilin reduced the activity and expression levels of E2F1. These results demonstrated that icilin inactivates a small regulatory module controlling the cell cycle in prostate cancer cells. Our study might provide insight into the development of cell cycle-targeted cancer therapeutics.
journal_name
Biochem Biophys Res Communjournal_title
Biochemical and biophysical research communicationsauthors
Lee S,Chun JN,Kim SH,So I,Jeon JHdoi
10.1016/j.bbrc.2013.11.015subject
Has Abstractpub_date
2013-11-29 00:00:00pages
1005-10issue
4eissn
0006-291Xissn
1090-2104pii
S0006-291X(13)01888-3journal_volume
441pub_type
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