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The novel human polyomaviruses HPyV 6, 7, 9 and beyond
Author(s) -
Ehlers Bernhard,
Wieland Ulrike
Publication year - 2013
Publication title -
apmis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.909
H-Index - 88
eISSN - 1600-0463
pISSN - 0903-4641
DOI - 10.1111/apm.12104
Subject(s) - merkel cell polyomavirus , merkel cell carcinoma , polyomavirus infections , biology , serology , virology , population , antigen , virus , cancer , immunology , medicine , carcinoma , bk virus , kidney , antibody , genetics , environmental health , kidney transplantation
Since the discovery of Merkel cell polyomavirus and its causative association with Merkel cell carcinoma (MCC), six human polyomaviruses ( HP yVs) have been identified that, so far, lack any disease association, which include the human polyomaviruses ( HP yV) 6, 7, 9, 10 and 12 as well as the Saint Louis polyomavirus ( STLP yV). PCR studies revealed that HP yV6 and HP yV7 are shed from the skin of healthy subjects and of patients suffering from various skin tumours. HP yV6, 7 and 9 were sporadically detected in body fluids and excretions of immunocompromised patients and healthy subjects. HP yV10 was identified in papillomavirus‐induced anal condylomas, and variants of HP yV10, named MWP yV and MX polyomavirus (human) ( MXP yV), as well as STLP yV were detected in faeces of diarrheal and healthy children. HP yV12 was discovered in organs of the digestive tract of patients suffering from various malignant diseases. Serological studies using capsomer‐based or virus‐like particle (VLP)‐based enzyme‐linked immunosorbent assay ( ELISA ) revealed that HP yV6, 7, 9 and 12 are circulating in the human population. As all other HP yVs, the novel polyomaviruses encode small and large T antigens and thus are potentially oncogenic. However, several studies have revealed a lack of association of HP yV6, 7 and 9 with numerous human tumours. In the future, it will be important to unravel the cell types and body compartments of the novel HP yVs′ reservoir and to search for possible associations with cancer and non‐malignant diseases.

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