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Cutaneous Human Papillomaviruses

Hazard, Kristina LU (2007)
Abstract
Human papillomaviruses (HPVs) exist as more than 100 distinct types. Variants of HPVs appear to be common findings while HPV subtypes have been considered rare. New information about subtypes has recently been reported by us. Our characterisation of subtype HPV38b[FA125] and the identification of several HPV isolates representing putative subtypes have considerably extended the knowledge about this taxon.



Cutaneous HPVs are frequently found in healthy skin and some types have also been implicated in non-melanoma skin cancer in immunocompetent as well as in immunosuppressed individuals. However, data on whether these infections persist over time is limited. We recently reported that in a cohort of renal transplant... (More)
Human papillomaviruses (HPVs) exist as more than 100 distinct types. Variants of HPVs appear to be common findings while HPV subtypes have been considered rare. New information about subtypes has recently been reported by us. Our characterisation of subtype HPV38b[FA125] and the identification of several HPV isolates representing putative subtypes have considerably extended the knowledge about this taxon.



Cutaneous HPVs are frequently found in healthy skin and some types have also been implicated in non-melanoma skin cancer in immunocompetent as well as in immunosuppressed individuals. However, data on whether these infections persist over time is limited. We recently reported that in a cohort of renal transplant recipients and matched healthy controls, 43% (19/44) of the cutaneous HPV infections persisted after 6.3 years. However, we did not detect any significant association between persistent infections and age, sex, immunosuppressive treatment, history of warts, or genus of HPV.



The heterogeneity of cutaneous HPVs, especially in the genus Beta-papillomavirus, has been extended through our characterisation of three new types, HPV93, 96, and 107.



The prevalence of these three types as well as HPV38 and its subtype HPV38b[FA125] and the recently described HPV92, was analysed in skin lesions and paired healthy skin. All types were only detected in low amounts and in low viral loads. However, the binding ability of the E7 protein of HPV92, 93 and 96 to the tumour suppressor protein Rb suggests a possible role for these types in the development of skin cancer. (Less)
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author
supervisor
opponent
  • Professor Pfister, Herbert, Institute of Virology, University of Cologne, Cologne, Germany
organization
publishing date
type
Thesis
publication status
published
subject
keywords
Microbiology, bacteriology, virology, mycology, Skin cancer, HPV heterogeneity, Persistence, Human Papillomavirus, Phylogeny, Mikrobiologi, bakteriologi, virologi, mykologi
pages
116 pages
publisher
Medical Microbiology, Lund University
defense location
Pathology Lecture Hall Entrance 78 University Hospital Malmö
defense date
2007-05-04 09:15:00
ISBN
978-91-85559-58-9
language
English
LU publication?
yes
additional info
K Hazard, A Karlsson, K Andersson, H Ekberg, J Dillner and O Forslund. 2007. Cutaneous Human Papillomaviruses persist on healthy skin. Journal of Investigative Dermatology, vol 127 pp 116-9.
K Hazard, L Eliasson, J Dillner and O Forslund. 2006. Subtype HPV38b[FA125] demonstrates heterogeneity of Human Papillomavirus type 38. Int J Cancer, vol 1;119 pp 1073-7.
K Hazard, K Andersson, J Dillner and O Forslund. . Human Papillomavirus subtypes are not uncommon. Virology, (inpress)
N Vasiljevic, K Hazard, L Eliasson, H Ly, A Hunziker, EM de Villiers, B Norrild, J Dillner and O Forslund. 2007. Characterisation of two novel cutaneous Human Papillomaviruses, HPV93 and HPV96. Journal of General Virology, vol 1;88 pp 1479-1483.
K Hazard, N Vasiljevic, J Dillner and O Forslund. . Isolation of a novel Beta-2 Human Papillomavirus from actinic keratosis. (manuscript)
id
a7c8f479-b9aa-4673-9b08-3b4aac46a24c (old id 548494)
date added to LUP
2016-04-01 16:32:06
date last changed
2018-11-21 20:42:09
@phdthesis{a7c8f479-b9aa-4673-9b08-3b4aac46a24c,
  abstract     = {{Human papillomaviruses (HPVs) exist as more than 100 distinct types. Variants of HPVs appear to be common findings while HPV subtypes have been considered rare. New information about subtypes has recently been reported by us. Our characterisation of subtype HPV38b[FA125] and the identification of several HPV isolates representing putative subtypes have considerably extended the knowledge about this taxon.<br/><br>
<br/><br>
Cutaneous HPVs are frequently found in healthy skin and some types have also been implicated in non-melanoma skin cancer in immunocompetent as well as in immunosuppressed individuals. However, data on whether these infections persist over time is limited. We recently reported that in a cohort of renal transplant recipients and matched healthy controls, 43% (19/44) of the cutaneous HPV infections persisted after 6.3 years. However, we did not detect any significant association between persistent infections and age, sex, immunosuppressive treatment, history of warts, or genus of HPV.<br/><br>
<br/><br>
The heterogeneity of cutaneous HPVs, especially in the genus Beta-papillomavirus, has been extended through our characterisation of three new types, HPV93, 96, and 107.<br/><br>
<br/><br>
The prevalence of these three types as well as HPV38 and its subtype HPV38b[FA125] and the recently described HPV92, was analysed in skin lesions and paired healthy skin. All types were only detected in low amounts and in low viral loads. However, the binding ability of the E7 protein of HPV92, 93 and 96 to the tumour suppressor protein Rb suggests a possible role for these types in the development of skin cancer.}},
  author       = {{Hazard, Kristina}},
  isbn         = {{978-91-85559-58-9}},
  keywords     = {{Microbiology; bacteriology; virology; mycology; Skin cancer; HPV heterogeneity; Persistence; Human Papillomavirus; Phylogeny; Mikrobiologi; bakteriologi; virologi; mykologi}},
  language     = {{eng}},
  publisher    = {{Medical Microbiology, Lund University}},
  school       = {{Lund University}},
  title        = {{Cutaneous Human Papillomaviruses}},
  url          = {{https://lup.lub.lu.se/search/files/4701197/548495.pdf}},
  year         = {{2007}},
}