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Related Experiment Videos

Reduced immunologic cell performance as a prognostic parameter for advanced cervical cancer.

H. R. C. Marana1, J. S. Silva, J. M. Andrade

  • 1Department of Gynecology and Obstetrics and Department of Parasitology, Microbiology and Immunology, Faculty of Medicine of Ribeirão Preto, University of São Paulo, São Paulo, Brazil.

International Journal of Gynecological Cancer : Official Journal of the International Gynecological Cancer Society
|March 10, 2001
PubMed
Summary

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Lymphocyte proliferation, particularly in response to phytohemagglutinin (PHA), correlates with treatment outcomes and survival in advanced cervical cancer patients undergoing chemotherapy. Interleukin-12 (IL-12) may enhance immune response.

Area of Science:

  • Immunology
  • Oncology
  • Cell Biology

Background:

  • Decreased lymphocyte proliferation is observed in cancer patients, potentially impacting disease progression.
  • The prognostic value of lymphocyte response to mitogens in cervical cancer treatment remains understudied.

Purpose of the Study:

  • To evaluate lymphocyte proliferative response, cytokine production, and T cell subset variations as prognostic factors in advanced cervical cancer patients.
  • To assess the correlation between immunological parameters and treatment response, survival rates, and the potential role of IL-12.

Main Methods:

  • Analysis of peripheral blood lymphocytes from 14 advanced cervical cancer patients before and after chemotherapy (cis-platinum and bleomycin).
  • Assays included lymphocyte proliferation (PHA, IL-12), IFN-gamma production, and CD45-RO/CD45-RA T cell subset quantification.

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  • Mean follow-up was 30 months.

    • Main Results:

    • A significant correlation was found between PHA-induced lymphocyte proliferation, treatment response, and survival rates.
    • Good responders showed higher CD45-RO counts pre-chemotherapy and greater IFN-gamma production post-chemotherapy.
    • IL-12 stimulation normalized lymphocyte proliferation in both good and poor responders.

    Conclusions:

    • Lymphocyte proliferative response is a valuable prognostic factor for cervical cancer patients receiving chemotherapy.
    • Immunological assays, especially lymphocyte proliferation, can help select patients who will benefit from specific treatments.
    • IL-12 demonstrates potential therapeutic value in regulating antitumor immune responses.