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Xianlu Zeng,Xuefang Pan,Zhaoxia Song,Lei Zhai,Xiaoyun Li 한국분자세포생물학회 2005 Molecules and cells Vol.20 No.2
INI1/hSNF5/BAF47 is a core component of the hSWI/ SNF ATP-dependent chromatin remodeling complex,and it has been implicated in regulating gene expression, cell division and tumorigenesis. We investigated whether INI1/hSNF5/BAF47 functions in activation of the colony stimulating factor 1 (CSF1) promoter in HeLa cells. Overexpression of INI1/hSNF5/BAF47 promoted CSF1 transcription, and siRNA targeting INI1/hSNF5/ BAF47 (siINI1) strongly inhibited the activity of the CSF1 promoter. We demonstrated that all conserved domains of INI1/hSNF5/BAF47 are needed for CSF1 transcription. ChIP experiment showed that INI1/ hSNF5/BAF47 is recruited to the region of the CSF1 promoter. Taken together, these results indicate that INI1/hSNF5/BAF47 is involved in activation of the CSF1 promoter