Abstract
In this report, we demonstrate that IL-4 is sufficient to stimulate both the proliferation and differentiation of Lyt-2+, Ia- splenic CTL precursors stimulated with the mitogenic lectin Con A. The response to IL-4 and Con A was not dependent on a putative endogenous production of IL-2 within the cultures, as demonstrated by an absence of an inhibitory effect by an anti-IL-2-R blocking mAb. Our results indicate that IL-2 and IL-4 can support an equivalent proliferative response by lectin-stimulated Lyt-2+ T lymphocytes, while IL-4 is more efficacious in stimulating their differentiation into mature cytolytically active cells.
MeSH Terms
Animals
Cell Differentiation
Cell Division
Concanavalin A/pharmacology
Cytotoxicity Tests, Immunologic
Hematopoietic Stem Cells/cytology
Interleukin-2/physiology
Interleukin-4
Interleukins/pharmacology
Mice
Mice, Inbred C57BL
Mice, Inbred DBA
Spleen/cytology
T-Lymphocytes, Cytotoxic/cytology
Chemicals
Interleukin-2
Interleukins
Concanavalin A
Interleukin-4
Authors & Affiliations
4 authors, click to expand affiliations / ORCID
Pfeifer J D
Department of Biology, University of California, San Diego, La Jolla 92093.
McKenzie D T
Swain S L
Dutton R W
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