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Regulation of DU145 prostate cancer cell growth by Scm-like with four mbt domains 2.
MedLine Citation:
PMID:  23385818     Owner:  NLM     Status:  In-Data-Review    
Mammalian SFMBTs have been considered to be polycomb group repressors. However, molecular mechanisms underlying mammalian SFMBTs-mediated gene regulation and their biological function have not been characterized. In the present study, we identified YY1 and methylated histones as interacting proteins of human SFMBT2. We also found that human SFMBT2 binds preferentially to methylated histone H3 and H4 that are associated with transcriptional repression. Using DU145 prostate cancer cells as a model, we showed that SFMBT2 has a transcriptional repression activity on HOXB13 gene expression. In addition, occupancy of SFMBT2 coincided with enrichment of diand tri-methylated H3K9 and H4K20 as well as tri-methylated H3K27 at the HOXB13 gene promoter. When SFMBT2 was depleted by siRNA in DU145 prostate cancer cells, significant up-regulation of HOXB13 gene expression and decreased cell growth were observed. Collectively, our findings indicate that human SFMBT2 may regulate cell growth via epigenetic regulation of HOXB13 gene expression in DU145 prostate cancer cells.
Kwanghyun Lee; Wonho Na; Je-Heon Maeng; Hongjin Wu; Bong-Gun Ju
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of biosciences     Volume:  38     ISSN:  0973-7138     ISO Abbreviation:  J. Biosci.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-06     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8100809     Medline TA:  J Biosci     Country:  India    
Other Details:
Languages:  eng     Pagination:  105-12     Citation Subset:  IM    
Department of Life Science, Sogang University, Seoul 121-742, Korea.
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