Antigen-specific murine T cell clones produce soluble interleukin 2 receptor on stimulation with specific antigens

D. K. Wagner, J. York-Jolley, Thomas Malek, J. A. Berzofsky, D. L. Nelson

Research output: Contribution to journalArticle

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Abstract

In this study, we used monoclonal antibodies to the murine IL 2 receptor (IL 2R) termed 3C7 and 7D4, which bind to different epitopes on the murine IL 2R, to develop an ELISA to measure soluble murine IL 2R. Surprisingly, stimulated murine spleen cells not only expressed cell-associated IL 2R, but also produced a considerable level of cellfree IL 2R in the culture supernatant fluid. To assess the fine specificity of this response, myoglobin-immune murine T cell clones were stimulated with appropriate or inappropriate antigen and syngeneic or allogeneic presenting cells. Proliferation, measured by [3H]thymidine incorporation, and levels of soluble IL 2R were determined at day 4. The production of soluble IL 2R displayed the same epitope fine specificity, genetic restriction, and antigen dose-response as the proliferative response. Indeed, in some cases there was sharper discrimination of epitope specificity and genetic restriction with the soluble IL 2R levels. There was also reproducible clone-to-clone variation in the amount of soluble receptor produced in response to antigen among 12 T cell clones and lines tested. In time course experiments, proliferation was greatest at day 3, whereas soluble IL 2R levels continued to rise in subsequent days. To our knowledge, this is the first demonstration of release or secretion of soluble IL 2R by murine T cells, and the first demonstration of the fine specificity and genetic restriction of the induction of soluble IL 2R by specific antigen.

Original languageEnglish
Pages (from-to)592-596
Number of pages5
JournalJournal of Immunology
Volume137
Issue number2
StatePublished - Oct 22 1986
Externally publishedYes

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Interleukin-2 Receptors
Clone Cells
T-Lymphocytes
Antigens
Epitopes
Myoglobin
Thymidine
Transcriptional Activation
Spleen
Enzyme-Linked Immunosorbent Assay
Monoclonal Antibodies
Cell Line

ASJC Scopus subject areas

  • Immunology

Cite this

Antigen-specific murine T cell clones produce soluble interleukin 2 receptor on stimulation with specific antigens. / Wagner, D. K.; York-Jolley, J.; Malek, Thomas; Berzofsky, J. A.; Nelson, D. L.

In: Journal of Immunology, Vol. 137, No. 2, 22.10.1986, p. 592-596.

Research output: Contribution to journalArticle

Wagner, D. K. ; York-Jolley, J. ; Malek, Thomas ; Berzofsky, J. A. ; Nelson, D. L. / Antigen-specific murine T cell clones produce soluble interleukin 2 receptor on stimulation with specific antigens. In: Journal of Immunology. 1986 ; Vol. 137, No. 2. pp. 592-596.
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