Shared and persistent asymptomatic cutaneous human papillomavirus infections in healthy skin
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Cutaneous human papillomavirus (HPV) types are commonly found in normal skin, and some of them have been suspected to play a role in the development of non-melanoma skin cancer. This present study is divided into three sections, the aims of this study were to examine if certain HPV-types persist over time and if HPV-types are shared within families. From the first part of the study, swab samples from foreheads were collected for three longitudinal studies from one family with a newborn baby. Five specific HPV-types were isolated from the family with a newborn, with HPV-5 and FA67 being found at various time points and prevalence rates in all four members of the family. Part 2 consisted of a followed up study from two families with a 6 years interval. Six of the family members were found to have at least one of the HPV-types identified in the family 6 years earlier. Many of the HPV-types identified were shared within the families studied. Part 3 of this study involved weekly samples from four healthy females for 4 months. Among the four healthy individuals, 11%, 65%, and 56% of the weekly samples were HPV-DNA positive with one individual HPV-negative. All specimens were tested for HPV-DNA by PCR using the broad range HPV-type primer pair FAP59/64. The positive samples were HPV-type determined by cloning and sequencing. Specific cutaneous HPV-types persist over long periods of time in healthy skin in most individuals investigated and certain HPVs are shared between family members.
Journal of Medical Virology
© 2009 Wiley Periodicals Inc. This is the pre-peer reviewed version of the following article: Shared and persistent asymptomatic cutaneous human papillomavirus infections in healthy skin, Journal of Medical Virology, Vol. 81(8), 2009, pp. 1444-1449, which has been published in final form at http://dx.doi.org/10.1002/jmv.21529.
Medical Microbiology not elsewhere classified