The DOI matches its Crossref record.
The Human Papillomavirus Type 16 E5 Protein Modulates ERK1/2 and p38 MAP Kinase Activation by an EGFR-Independent Process in Stressed Human Keratinocytes
Abstract
The human papillomavirus type 16 E5 gene product has been shown to upregulate the activation of MAP kinases ERK1/2 and cellular proliferation promoted by EGF in a ligand-dependent process. We now report the growth factor-independent modulation of MAP kinases by HPV 16 E5 in human keratinocytes. After treatment with 600 mM sorbitol or low concentrations of anisomycin, E5-expressing cells upregulate the activation of ERK1/2. In addition, E5 enhances p38 activation after anisomycin but not after sorbitol treatment, but it has no effect on MAP kinases activation after shocking the cells with 300 mM sodium chloride. The E5-mediated, sorbitol-dependent increase in ERK1/2 activation is EGF-independent and is only partially inhibited by tyrphostin AG1478, which is known to inhibit specifically EGF receptor activation.
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“HPV-16 E5 has been shown to activate mitogen-activated protein kinase (MAPK) p38 and ERK1/2 in human keratinocytes in an EGF-independent manner [221] via a receptor tyrosine kinase and protein kinase C (PKC) signalling pathway [222,223]”
From The Not-So-Good, the Bad and the Ugly: HPV E5, E6 and E7 Oncoproteins in the Orchestration of Carcinogenesis (2021) · cites this paper as [221]
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Cited by
Molecular biology of human papillomavirus infection and cervical cancer
Doorbar, J. (2006) · Clinical Science · doi:10.1042/cs20050369 · Cited by 1,072
Basukala, O., & Banks, L. (2021) · Viruses · doi:10.3390/v13101892 · Cited by 137
Metadata
- Authors
- Crusius, K., Rodriguez, I., & Alonso, A.
- Venue
- Virus Genes
- Published
- 2000-02
- Volume
- 20
- Issue
- 1
- Pages
- 65-69
- ISSN
- 0920-8569
- 1572-994X
- Cited by
- 54
- References
- 0
- Language
- en
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- CoChat. (2026). Citation check: The Human Papillomavirus Type 16 E5 Protein Modulates ERK1/2 and p38 MAP Kinase Activation by an EGFR-Independent Process in Stressed Human Keratinocytes. https://app.cochat.ai/papers/10.1023/a:1008112207824
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- Crusius, K., Rodriguez, I., & Alonso, A. (2000). The Human Papillomavirus Type 16 E5 Protein Modulates ERK1/2 and p38 MAP Kinase Activation by an EGFR-Independent Process in Stressed Human Keratinocytes. Virus Genes. https://doi.org/10.1023/a%3A1008112207824