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Related Experiment Videos

The human papillomaviruses.

P M Howley

    Archives of Pathology & Laboratory Medicine
    |September 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Human papillomaviruses (HPVs) cause skin and mucosal growths. Some HPVs may lead to malignant transformation, and a unique model system is being used to study this process.

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    In Reply.

    Archives of pathology & laboratory medicine·2026
    See all related articles

    Area of Science:

    • Virology
    • Oncology
    • Dermatology

    Background:

    • Human papillomaviruses (HPVs) are linked to benign skin and mucosal growths.
    • Eleven distinct HPVs are known, each associated with specific clinical conditions.
    • Some animal papillomaviruses (PVs) are associated with malignant lesions.

    Purpose of the Study:

    • Investigate the role of specific HPVs in malignant squamous cell neoplasms.
    • Utilize a model system to study the malignant potential of PVs.
    • Determine cellular and viral factors in PV-induced malignant transformation.

    Main Methods:

    • Studying a subgroup of PVs that can malignantly transform fibroblasts from other species.
    • Analyzing the HPV genome's state in transformed cells (exclusively nonintegrated DNA plasmids).

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    Main Results:

    • A model system exists for studying PV-induced malignant transformation.
    • The HPV genome remains as a nonintegrated DNA plasmid in transformed cells.

    Conclusions:

    • HPVs are etiologic agents of proliferative conditions.
    • Further research is needed to understand the role of HPVs in malignant transformation.
    • The described model system is valuable for investigating PVs' malignant potential.