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. 1994 Jan 1;54(1):190-6.

Immunomodulation in patients with epithelial ovarian cancer after adoptive transfer of tumor-infiltrating lymphocytes

H Ikarashi  1 , K Fujita, K Takakuwa, S Kodama, A Tokunaga, T Takahashi, K Tanaka
Affiliations
  • PMID: 8261438

Immunomodulation in patients with epithelial ovarian cancer after adoptive transfer of tumor-infiltrating lymphocytes

H Ikarashi et al. Cancer Res. .

Abstract

The immunomodulation determined by natural killer cell activity, delayed-type hypersensitivity to purified protein derivative and phytohemagglutin, and phenotypic changes of peripheral blood lymphocytes was characterized in 12 patients with epithelial ovarian cancer who received adoptive transfer of tumor-infiltrating lymphocytes (TILs) after cisplatin-containing chemotherapy (TIL group). As a control, 10 patients with epithelial ovarian cancer who did not receive infusions of TIL were also examined in the same fashion. In the TIL group, peripheral blood lymphocytes showed increased percentages of cells bearing the CD8 antigen, in contrast to stable percentages of CD4 antigen-bearing cells, resulting in a decreased ratio of CD4+ to CD8+ cells. The percentages of CD16 and CD56 antigen-bearing cells also increased in proportion to augmentation of natural killer cell activity against K562 cells. Additionally, with regard to cell-mediated immunity determined by delayed-type hypersensitivity to phytohemagglutin and purified protein derivative, significantly and slightly enlarged erythema was observed 2 and 8 weeks, respectively, after the injection of TILs (phytohemagglutin, P < 0.05; purified protein derivative, not statistically significant). The control group showed no major changes in any of the immunological markers. These results suggest the possibility that the adoptive transfer of TILs induces immunoactivation of cellular immunity and enhances natural killer activity in patients with epithelial ovarian cancer.

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