Human papillomavirus type 16 E6 and E7 oncoproteins act synergistically to cause head and neck cancer in mice.
Human papillomavirus type 16 E6 and E7 oncoproteins act synergistically to cause head and neck cancer in mice.
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DOI:
10.1016/j.virol.2010.08.003
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发表时间:
2010-11-10
期刊:
影响因子:
3.7
通讯作者:
Lambert PF
中科院分区:
文献类型:
--
作者:
Jabbar S;Strati K;Shin MK;Pitot HC;Lambert PF
High-risk human papillomaviruses (HPVs) contribute to cervical and other anogenital cancers, and they are also linked etiologically to a subset of head and neck squamous cell carcinomas (HNSCC). We previously established a model for HPV-associated HNSCC in which we treated transgenic mice expressing the papillomaviral oncoproteins with the chemical carcinogen 4-nitroquinoline-1-oxide (4-NQO). We found that the HPV-16 E7 oncoprotein was highly potent in causing HNSCC, and its dominance masked any potential oncogenic contribution of E6, a second papillomaviral oncoprotein commonly expressed in human cancers. In the current study, we shortened the duration of treatment with 4-NQO to reduce the incidence of cancers and discovered a striking synergy between E6 and E7 in causing HNSCC. Comparing the oncogenic properties of wild-type versus mutant E6 genes in this model for HNSCC uncovered a role for some but not other cellular targets of E6 previously shown to contribute to cervical cancer.
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DOI:
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发表时间:
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影响因子:
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