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J Invest Dermatol. 1993 Sep;101(3):292-5.

In vitro HPV-11 infection of human foreskin.

Author information

1
Department of Obstetrics and Gynecology, University of California at Davis, School of Medicine 95816.

Abstract

Study of the infectious process of human papillomavirus type 11 (HPV-11) has been facilitated by the discovery that HPV-11-infected neonatal human foreskin epithelium can proliferate as xenografts into condyloma-like growths within athymic nude mice. Here we describe detection of HPV-11 infection of neonatal human foreskin-derived keratinocytes, infected and cultured entirely in vitro, by use of the polymerase chain reaction and primers straddling the splice donor/acceptor site of the most prevalent early gene HPV-11 transcript (E1 increase E4). Expression of the E1 increase E4 HPV-11 mRNA is abrogated by 60 degrees C heat inactivation of the inoculum. HPV-11-infected foreskin explants continue to produce the E1 increase E4 mRNA for up to 5 weeks in culture, and second-passage keratinocytes derived from infected explant outgrowths continue to produce the E1 increase E4 mRNA. The in vitro system described here provides a new way to study HPV-11 infection and may be useful in evaluating early events of infection.

PMID:
8396606
DOI:
10.1111/1523-1747.ep12365409
[Indexed for MEDLINE]
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