C/EBPbeta is a negative regulator of human papillomavirus type 11 in keratinocytes

Author:

Wang H1,Liu K1,Yuan F1,Berdichevsky L1,Taichman L B1,Auborn K1

Affiliation:

1. Department of Otolaryngology, Long Island Jewish Medical Center, Long Island Campus of Albert Einstein College of Medicine, New Hyde Park, New York 11040, USA.

Abstract

We have evaluated the impact of the CCAAT enhancer-binding protein (C/EBP) transcription factors on human papillomavirus type 11 (HPV11). C/EBPbeta is in nuclei of cultured foreskin keratinocytes and binds its consensus sequence in HPV11 DNA. We have used the novel approach of depleting the availability of C/EBPs in vivo using nuclease-resistant oligomers containing C/EBP DNA binding sites. In cultured foreskin keratinocytes containing replicating HPV11 DNA, levels of both HPV11 transcripts and HPV DNA increase after treatment with oligomers; containing the C/EBPbeta DNA binding motif. These results indicate that C/EBPbeta is a repressor for HPV11 in keratinocytes.

Publisher

American Society for Microbiology

Subject

Virology,Insect Science,Immunology,Microbiology

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