Interleukin 7 (IL-7) is a 25-kD cytokine that was initially described as a pre-B cell growth factor. This cytokine has also been shown to have T cell proliferative and differentiation effects. In this report, we demonstrate that antitumor cytotoxic T lymphocytes (CTL) generated by secondary in vitro sensitization of draining lymph node cells in IL-7 are effective in treating 3-day syngeneic methylcholanthrene (MCA) sarcoma pulmonary metastases in mice. In vivo titrations comparing IL-7 to IL-2 antitumor CTL show that they have equivalent potency in adoptive immunotherapy. IL-7 antitumor CTL generated against MCA sarcomas of weak immunogeneity are also tumor specific in their in vivo efficacy. This study represents the first successful use of a cytokine other than IL-2 for the generation of cells with in vivo efficacy in cellular adoptive transfer.
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1 December 1991
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December 01 1991
Interleukin 7 generates antitumor cytotoxic T lymphocytes against murine sarcomas with efficacy in cellular adoptive immunotherapy.
D L Jicha,
D L Jicha
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
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J J Mulé,
J J Mulé
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
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S A Rosenberg
S A Rosenberg
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
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D L Jicha
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
J J Mulé
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
S A Rosenberg
Surgery Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892.
Online ISSN: 1540-9538
Print ISSN: 0022-1007
J Exp Med (1991) 174 (6): 1511–1515.
Citation
D L Jicha, J J Mulé, S A Rosenberg; Interleukin 7 generates antitumor cytotoxic T lymphocytes against murine sarcomas with efficacy in cellular adoptive immunotherapy.. J Exp Med 1 December 1991; 174 (6): 1511–1515. doi: https://doi.org/10.1084/jem.174.6.1511
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