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Título : The SV40 T antigen modulates CBP histone acetyltransferase activity
Autor : Aragón Valls, Esther, Cruz, Xavier de la, Martínez-Balbás, Marian
Fecha de publicación : 15-Jun-2003
Editor: Oxford University Press
Citación : Nucleic Acids Research 31(12): 3114–3122 (2003)
Resumen: Histone acetyltransferases (HATs) play a key role in transcription control, cell proliferation and differentiation by modulating chromatin structure; however, little is known about their own regulation. Here we show that expression of the viral oncoprotein SV40 T antigen increases histone acetylation and global cellular HAT activities. In addition, it enhances CREB-binding protein HAT activity and modulates its transcriptional activity. Finally, we show that inhibition of cellular histone deacetylases by trichostatin A increases the SV40 infectivity rate. These findings highlight the importance of histone acetylation in the regulation of the cell cycle by oncoviral proteins.
Descripción : 9 pages, 6 figures, 1 table.-- PMID: 12799439 [PubMed].-- PMCID: PMC162251.
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ISSN: 0305-1048 (Print)
1362-4962 (Online)
DOI: 10.1093/nar/gkg418
Citación : Nucleic Acids Research 31(12): 3114–3122 (2003)
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