HPV8 early genes modulate differentiation and cell cycle of primary human adult keratinocytes.

Article

Akgul, B., Ghali, L., Davies, D., Pfister, H., Leigh, I. and Storey, A. 2007. HPV8 early genes modulate differentiation and cell cycle of primary human adult keratinocytes. Clinical and experimental dermatology. 16 (7), pp. 590-599.
TypeArticle
TitleHPV8 early genes modulate differentiation and cell cycle of primary human adult keratinocytes.
AuthorsAkgul, B., Ghali, L., Davies, D., Pfister, H., Leigh, I. and Storey, A.
Abstract

Human papillomaviruses (HPV) have been associated with the development of non-melanoma skin cancer (NMSC) but the molecular mechanisms of the role of the virus in NMSC development are not clearly understood. Abnormal epithelial differentiation seen in malignant transformation of keratinocytes is associated with changes in keratin expression. The purpose of this study was to investigate the phenotype of primary human adult keratinocytes expressing early genes of HPV8 with specific reference to their differentiation and cell cycle profile to determine whether early genes of HPV8 lead to changes that are consistent with transformation. The expression of HPV8 early genes either individually or simultaneously caused distinct changes in the keratinocyte morphology and induced an abnormal keratin expression pattern, that included simple epithelial (K8, K18, K19), hyperproliferation-specific (K6, K16), basal-specific (K14, K15) and differentiation-specific (K1, K10) keratins. Our results indicate that expression of HPV8 early genes disrupts the normal keratin expression pattern in vitro. Expression of HPV8-E7 alone caused polyploidy that was associated with decreased expression of p21 and pRb. Expression of individual genes or in combination differentially influenced cell morphology and cell cycle distribution which might be important in HPV8-induced keratinocyte transformation.

Research GroupBiomarkers for Cancer group
PublisherBlackwell
JournalClinical and experimental dermatology
ISSN0307-6938
Publication dates
PrintJul 2007
Publication process dates
Deposited18 Jun 2009
Output statusPublished
Additional information

17576239; PubMed Central PMCID: PMC2423465.

Web address (URL)http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=2423465
LanguageEnglish
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