Definition of polyoma virus in US English:

polyoma virus


  • Any of a group of DNA viruses that are usually endemic in their host species without causing disease but that can cause tumors when injected into other species.

    • ‘Mammary tumors were created in the mice in response to the polyoma virus middle T antigen, a well-studied oncogene product.’
    • ‘Lazutka found a significant correlation between elevated titers of human polyoma virus JC and BK and the occurrence of rogue cells.’
    • ‘PP2A appears to be a common viral target since other viruses such as simian virus 40, polyoma virus, human T lymphotrophic retrovirus and adenovirus affect the enzymatic activity of at least a subset of PP2A proteins.’


polyoma virus

/ˌpälēˈōmə ˌvīrəs/