期刊
VIRUS RESEARCH
卷 231, 期 -, 页码 56-75出版社
ELSEVIER
DOI: 10.1016/j.virusres.2016.10.017
关键词
E7; pRb family; Histone deacetylase; Transcription factor; Innate immunity; Cell cycle control
类别
资金
- National Institute of Allergy and Infectious Diseases [R01AI118904]
- National Institute of General Medical Sciences [P30GM110703]
- Feist-Weiller Cancer Center
High-risk human papillomaviruses (HPVs) encode oncoproteins which manipulate gene expression patterns in the host keratinocytes to facilitate viral replication, regulate viral transcription, and promote immune evasion and persistence. In some cases, oncoprotein-induced changes in host cell behavior can cause progression to cancer, but a complete picture of the functions of the viral oncoproteins in the productive HPV life cycle remains elusive. E7 is the HPV-encoded factor most responsible for maintaining cell cycle competence in differentiating keratinocytes. Through interactions with dozens of host factors, E7 has an enormous impact on host gene expression patterns. In this review, we will examine the role of E7 specifically as a regulator of transcription. We will discuss mechanisms of regulation of cell cycle related genes by E7 as well as genes involved in immune regulation, growth factor signaling, DNA damage responses, microRNAs, and others pathways. We will also discuss some unanswered questions about how transcriptional regulation by E7 impacts the biology of HPV in both benign and malignant conditions. (C) 2016 Elsevier B.V. All rights reserved.
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