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HLA frequencies in cancer: a third study.

S T Perdue, P I Terasaki, M R Mickey

    IARC Scientific Publications
    |January 1, 1978
    PubMed
    Summary

    This study investigated Human Leukocyte Antigen (HLA) antigen and haplotype frequencies in Caucasian patients with various cancers, finding significant associations in Acute Myeloid Leukemia (AML) and Acute Lymphoblastic Leukemia (ALL). Specific HLA variations were linked to different cancer types, suggesting potential roles in disease susceptibility.

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    Area of Science:

    • Immunogenetics
    • Oncology
    • Human Leukocyte Antigen (HLA) research

    Background:

    • Human Leukocyte Antigen (HLA) genes play a crucial role in immune response.
    • Aberrant HLA antigen and haplotype frequencies have been observed in various malignancies.
    • Previous studies suggest potential links between specific HLA types and cancer susceptibility.

    Purpose of the Study:

    • To compare HLA antigen and haplotype frequencies between Caucasian cancer patients and healthy controls.
    • To identify specific HLA associations with Acute Lymphoblastic Leukemia (ALL), Acute Myeloid Leukemia (AML), breast cancer, lymphoma, and ovarian cancer.
    • To investigate statistically significant deviations in HLA profiles related to cancer types.

    Main Methods:

    • HLA typing was performed on Caucasian patients diagnosed with various cancers and healthy controls.

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  • Frequencies of 25 HLA antigens and specific HLA haplotypes were analyzed.
  • Statistical methods were used to identify significant differences and associations between patient and control groups.

    • Main Results:

    • Significant frequency deviations of HLA antigens were observed in patients with ALL, AML, breast cancer, lymphoma, and ovarian cancer.
    • A statistically significant increase in the A29 antigen was found in Acute Myeloid Leukemia (AML) patients after correction for multiple testing.
    • Notable associations included elevated AW24 in both ALL and AML, increased B27 in ALL, and distinct haplotype differences such as A3-B8 and absence of A1-BW17 in ALL, and increased A11-B5, A2-BW40, and absence of A2-B5 in AML.

    Conclusions:

    • Specific Human Leukocyte Antigen (HLA) antigen and haplotype profiles are associated with different types of cancer in Caucasian populations.
    • The findings highlight the potential role of HLA genetics in cancer susceptibility and may inform future research into immunotherapeutic strategies.
    • Further investigation is warranted to elucidate the precise mechanisms underlying these HLA-cancer associations.