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Related Experiment Videos

A tumor-associated antigen in human nephroblastomas.

P Burtin, M C Gendron

    Proceedings of the National Academy of Sciences of the United States of America
    |July 1, 1973
    PubMed
    Summary

    Researchers identified a novel tumor-associated antigen, named W antigen, in human nephroblastomas (Wilms tumors). This W antigen differs from known antigens and may have a viral origin.

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    Area of Science:

    • Oncology
    • Immunology
    • Virology

    Background:

    • Nephroblastomas, also known as Wilms tumors, are pediatric kidney cancers.
    • Tumor-associated antigens are molecules found on cancer cells that can trigger an immune response.

    Purpose of the Study:

    • To characterize novel antigens present in Wilms tumor extracts.
    • To determine if these antigens are unique and potentially of viral origin.

    Main Methods:

    • Antisera were prepared against extracts of human nephroblastomas.
    • These antisera were used to detect and characterize antigens in tumor extracts.
    • Antigens were compared to previously described tumor-associated antigens.

    Main Results:

    • A novel tumor-associated antigen was identified in Wilms tumor extracts.
    • This antigen was named W antigen.
    • The W antigen was also detected in a limited number of extracts from other types of tumors.
    • The W antigen is distinct from previously identified antigens, including carcinoembryonic antigens.

    Conclusions:

    • A new tumor-associated antigen, W antigen, has been identified in Wilms tumors.
    • The W antigen's distinct nature suggests it may not be a typical oncofetal antigen.
    • The possibility of a viral etiology for the W antigen is proposed.

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