Characterization of autologous tumor-specific T-helper 2 cells in tumor-infiltrating lymphocytes from a patient with metastatic melanoma

D. D. Kharkevitch, D. Seito, G. C. Balch, T. Maeda, C. M. Balch, K. Itoh

Research output: Contribution to journalArticle

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Abstract

Human autologous tumor-specific T-helper 2 (Th2) cells were investigated in melanoma tumor-infiltrating lymphocytes (TILs). Both a CD4+ T-cell line and its 5 potential T-cell clones established from TILs of a patient with metastatic melanoma produced significant levels of IL-4, IL-6, IL-10 and granulocyte-macrophage colony-stimulating factor (GM-CSF) in response to autologous, but not any of 12 allogeneic, melanoma cell lines. They also produced IL-3 and IL-8 but not IL-2, IFN-γ, TNF-α or TNF-β in response to autologous tumor cells. Furthermore, they showed autologous melanoma-specific cytotoxicity only in an 18-hr 51Cr-release assay. Specific IL-4, IL-6 or IL-10 production by the CD4+ M73 T-cell line and its clone was inhibited by anti-class II DR (but not anti-class I) MAb, whereas their specific cytotoxicity was inhibited by anti-class I (but not anti-class II) MAb. Anti-CD3 and -CD4 MAb (but not anti-CD8) abrogated both IL-4, IL6 and IL-10 production and cytotoxicity, while anti-IL-4 antibody did not inhibit cytotoxicity. CD4+ potential T-celI clones, but not CD8+ clones, that were established from freshly isolated TILs without in vitro sensitization by autologous tumor cells also produced IL-4, IL-6 and IL-10 but not IFN-γ or tumor necrosis factor (TNF)α in an autologous tumor-specific fashion. These Th2 cells were neither reactive to EBV-B cells nor suppressive against CD8+ T-cell clones. PMA and PHA stimulated these potential T-cell clones, regardless of their specific lymphokine production, to produce IL-3, IL-4, IL-6, IL-8, IL-10, GM-CSF, TNFα and IFN-γ. Our results demonstrate the presence of autologous tumor-specific Th2 cells at the melanoma sites.

Original languageEnglish (US)
Pages (from-to)317-323
Number of pages7
JournalInternational Journal of Cancer
Volume58
Issue number3
DOIs
StatePublished - 1994

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Tumor-Infiltrating Lymphocytes
Th2 Cells
Interleukin-4
Melanoma
Interleukin-10
Clone Cells
Interleukin-6
T-Lymphocytes
Tumor Necrosis Factor-alpha
Neoplasms
Interleukin-3
Granulocyte-Macrophage Colony-Stimulating Factor
Interleukin-8
Cell Line
Lymphokines
Human Herpesvirus 4
Interleukin-2
B-Lymphocytes
Antibodies

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Characterization of autologous tumor-specific T-helper 2 cells in tumor-infiltrating lymphocytes from a patient with metastatic melanoma. / Kharkevitch, D. D.; Seito, D.; Balch, G. C.; Maeda, T.; Balch, C. M.; Itoh, K.

In: International Journal of Cancer, Vol. 58, No. 3, 1994, p. 317-323.

Research output: Contribution to journalArticle

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abstract = "Human autologous tumor-specific T-helper 2 (Th2) cells were investigated in melanoma tumor-infiltrating lymphocytes (TILs). Both a CD4+ T-cell line and its 5 potential T-cell clones established from TILs of a patient with metastatic melanoma produced significant levels of IL-4, IL-6, IL-10 and granulocyte-macrophage colony-stimulating factor (GM-CSF) in response to autologous, but not any of 12 allogeneic, melanoma cell lines. They also produced IL-3 and IL-8 but not IL-2, IFN-γ, TNF-α or TNF-β in response to autologous tumor cells. Furthermore, they showed autologous melanoma-specific cytotoxicity only in an 18-hr 51Cr-release assay. Specific IL-4, IL-6 or IL-10 production by the CD4+ M73 T-cell line and its clone was inhibited by anti-class II DR (but not anti-class I) MAb, whereas their specific cytotoxicity was inhibited by anti-class I (but not anti-class II) MAb. Anti-CD3 and -CD4 MAb (but not anti-CD8) abrogated both IL-4, IL6 and IL-10 production and cytotoxicity, while anti-IL-4 antibody did not inhibit cytotoxicity. CD4+ potential T-celI clones, but not CD8+ clones, that were established from freshly isolated TILs without in vitro sensitization by autologous tumor cells also produced IL-4, IL-6 and IL-10 but not IFN-γ or tumor necrosis factor (TNF)α in an autologous tumor-specific fashion. These Th2 cells were neither reactive to EBV-B cells nor suppressive against CD8+ T-cell clones. PMA and PHA stimulated these potential T-cell clones, regardless of their specific lymphokine production, to produce IL-3, IL-4, IL-6, IL-8, IL-10, GM-CSF, TNFα and IFN-γ. Our results demonstrate the presence of autologous tumor-specific Th2 cells at the melanoma sites.",
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