EGFR activation and ultraviolet light-induced skin carcinogenesis

Taghrid B. El-Abaseri, Laura A. Hansen

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The epidermal growth factor receptor (EGFR) regulates the proliferation of keratinocytes through multiple mechanisms that differ depending on the localization of the cell within the skin. Ultraviolet (UV) irradiation, the main etiologic factor in the development of skin cancer, also activates the receptor. In this review, we discuss how the UV-induced activation of EGFR regulates the response of the skin to UV. UV-induced EGFR activation increases keratinocyte proliferation, suppresses apoptosis, and augments and accelerates epidermal hyperplasia in response to UV. Pharmacological inhibition of the UV-induced activation of EGFR in a genetically initiated mouse skin tumorigenesis model suppresses tumorigenesis and the activation of mitogen-activated protein (MAP) kinases and phosphatidyl inositol-3-kinase (PI3K)/AKT signaling pathways. EGFR has pleiotropic, complex, and cell-type-specific functions in cutaneous keratinocytes; suggesting that the receptor is an appropriate target for the development of molecularly targeted therapies for skin cancer and other pathologies.

Original languageEnglish
Article number97939
JournalJournal of Biomedicine and Biotechnology
Volume2007
DOIs
StatePublished - 2007

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Ultraviolet Rays
Epidermal Growth Factor Receptor
Skin
Carcinogenesis
Chemical activation
Keratinocytes
Skin Neoplasms
Pathology
Phosphatidylinositols
Mitogen-Activated Protein Kinases
Hyperplasia
Phosphotransferases
Irradiation
Pharmacology
Apoptosis
Therapeutics

All Science Journal Classification (ASJC) codes

  • Biochemistry, Genetics and Molecular Biology(all)
  • Genetics
  • Applied Microbiology and Biotechnology

Cite this

EGFR activation and ultraviolet light-induced skin carcinogenesis. / El-Abaseri, Taghrid B.; Hansen, Laura A.

In: Journal of Biomedicine and Biotechnology, Vol. 2007, 97939, 2007.

Research output: Contribution to journalArticle

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