Interleukin 2 in cell-mediated immune responses

V. Paetkau, J. Shaw, B. Caplan, Gordon Mills, K. C. Lee

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

The lymphokine Interleukin 2(IL2) restores T cell responses in a number of in vitro systems where immunogenicity has been compromised. UV irradiation of the stimulating allogeneic cells in a mixed leukocyte culture eliminates the production of cytotoxic T lymphocytes and greatly reduces the DNA synthesis response. IL2 restores both parameters. UV-irradiated stimulators are also unable to induce the normal production of IL2 which is observed in a mixed leukocyte culture. The cytotoxic activity of allogeneically stimulated thymocytes is almost completely lost within 24 hours after removal of IL2 at 5 days, indicating that the lymphokine is continously required to maintain CTL. Thymocytes in 4-day cultures do not adsorb IL2 unless they are simultaneously activated with a mitogen. Finally, IL2 does not adequately restore a secondary response to the purified protein derivative of tuberculin (PPD) in adherent-cell-depleted cultures, indicating that macrophages, in addition to being required for IL2 production, have other functions. These probably include the presentation of soluble antigens to responding cells.

Original languageEnglish (US)
Pages (from-to)271-280
Number of pages10
JournalJournal of Supramolecular and Cellular Biochemistry
Volume13
Issue number2
StatePublished - Dec 1 1980
Externally publishedYes

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Interleukin-2
T-cells
Lymphokines
Thymocytes
Cell culture
Leukocytes
Macrophages
Tuberculin
Antigen Presentation
Cytotoxic T-Lymphocytes
Mitogens
Cell Culture Techniques
Cells
Irradiation
T-Lymphocytes
Antigens
DNA

ASJC Scopus subject areas

  • Biochemistry

Cite this

Paetkau, V., Shaw, J., Caplan, B., Mills, G., & Lee, K. C. (1980). Interleukin 2 in cell-mediated immune responses. Journal of Supramolecular and Cellular Biochemistry, 13(2), 271-280.

Interleukin 2 in cell-mediated immune responses. / Paetkau, V.; Shaw, J.; Caplan, B.; Mills, Gordon; Lee, K. C.

In: Journal of Supramolecular and Cellular Biochemistry, Vol. 13, No. 2, 01.12.1980, p. 271-280.

Research output: Contribution to journalArticle

Paetkau, V, Shaw, J, Caplan, B, Mills, G & Lee, KC 1980, 'Interleukin 2 in cell-mediated immune responses', Journal of Supramolecular and Cellular Biochemistry, vol. 13, no. 2, pp. 271-280.
Paetkau, V. ; Shaw, J. ; Caplan, B. ; Mills, Gordon ; Lee, K. C. / Interleukin 2 in cell-mediated immune responses. In: Journal of Supramolecular and Cellular Biochemistry. 1980 ; Vol. 13, No. 2. pp. 271-280.
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