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Human Cytomegalovirus IE1-72 Protein Interacts with p53 and Inhibits p53-Dependent Transactivation by a Mechanism Different from That of IE2-86 Protein

23 Sept 2009

Abstract excerpt

Infection of host cells with human cytomegalovirus (HCMV) induces cell cycle dysregulation. Two HCMV immediate-early (IE) proteins, IE1-72 and IE2-86, are promiscuous transactivators that have been implicated in the dysregulatory events. Cellular p53 protein is accumulated to high levels in HCMV-infected cells, but the indicative marker of p53 transcriptional activity, p21, is markedly decreased. Both IE1-72 and...

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PMID: 19776115
DOI: 10.1128/jvi.00304-09

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