Regulation of apoptosis by the papillomavirus E6 oncogene.
Infection with human papillomaviruses is strongly associated with the development of multiple cancers including esophageal squamous cell carcinoma. The HPV E6 gene is essential for the oncogenic potential of HPV. The regulation of apoptosis by oncogene has been related to carcinogenesis closely; therefore, the modulation of E6 on cellular apoptosis has become a hot research topic recently. Inactivation of the pro-apoptotic tumor suppressor p53 by E6 is an important mechanism by which E6 promotes cell growth; it is expected that inactivation of p53 by E6 should lead to a reduction in cellular apoptosis, numerous studies showed that E6 could in fact sensitize cells to apoptosis. The molecular basis for apoptosis modulation by E6 is poorly understood. In this article, we will present an overview of observations and current understanding of molecular basis for E6-induced apoptosis.
Li
Ting-Ting
TT
Institute of Gastroenterology, 15 West Changle Road, Xijing Hospital Xi'an 710032, Shaanxi Province, China.
Zhao
Li-Na
LN
Liu
Zhi-Guo
ZG
Han
Ying
Y
Fan
Dai-Ming
DM
D000595:Amino Acid Sequence; D017209:Apoptosis / Q000502:physiology*; D002294:Carcinoma, Squamous Cell / Q000473:pathology / Q000821:virology*; D004938:Esophageal Neoplasms / Q000473:pathology / Q000821:virology*; D006801:Humans; D008969:Molecular Sequence Data; D009856:Oncogene Proteins, Viral / Q000235:genetics*; D030361:Papillomavirus Infections / Q000473:pathology*; D012097:Repressor Proteins / Q000235:genetics*
C068651:E6 protein, Human papillomavirus type 16; D009856:Oncogene Proteins, Viral; D012097:Repressor Proteins
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