In vitro and in vivo cytotoxicity to EL 4 sarcoma in New Zealand mice

M. Eric Gershwin, R. J. Klingenstein, T. M. Chused, A. D. Steinberg

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13 Scopus citations

Abstract

The immune response of EL-4 tumor was studied in female NZB/W, BALB/c and CDF1 mice after both in vivo and in vitro immunization with spleen cells as attackers and 51Cr labeled EL-4 cells as targets. NZB/W mice demonstrated marked changes with age in the cytotoxic response after both in vivo and in vitro sensitization, whereas the other strains did not. These changes were characterized by hyporesponsiveness at 9 mth of age, and hyperresponsiveness at 6 mth of age, relative to 1 mth of age. Antibody to EL-4 tumor was found in unimmunized NZB/W mice and tended to increase with age. Nevertheless, the cytotoxic antibody response in NZB/W mice after in vivo sensitization was similar at 1 mth and 6 mth of age, but was reduced at 9 mth of age. Nine month old NZB/W mice failed to mount an adequate cytotoxic response and were killed by the tumor whereas 1 and 6 mth old animals mounted cytotoxic responses and survived.

Original languageEnglish (US)
Pages (from-to)1968-1977
Number of pages10
JournalJournal of Immunology
Volume113
Issue number6
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • Immunology

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    Gershwin, M. E., Klingenstein, R. J., Chused, T. M., & Steinberg, A. D. (1974). In vitro and in vivo cytotoxicity to EL 4 sarcoma in New Zealand mice. Journal of Immunology, 113(6), 1968-1977.