Effects of monoclonal antibodies directed against murine T lymphocyte cell surface antigens on lymphokine production by cloned T lymphocytes reactive with class I MHC or Mls alloantigens

D. W. Lancki, M. B. Prystowsky, S. N. Vogel, D. I. Beller, D. P. Dialynas, F. W. Fitch

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7 Scopus citations


Monoclonal antibodies recognizing murine T lymphocyte cell surface structures implicated in T lymphocyte-mediated cytolysis, including Lyt-2, L3T4, LFA-1, and a cytolytic T lymphocyte (CTL) clonotypic determinant, were used as probes to investigate the role of these structures in lymphokine production by T cell clones induced by antigen or lectin. The clone-specific antibody 384.5 bound to and inhibited antigen-induced lymphokine production by the L3 CTL clone, but did not affect lymphokine production by other T cell clones. Antibodies against the T cell surface structures Lyt-2 or L3T4, which are expressed by mutually exclusive T cell subsets, inhibited antigen-induced lymphokine production by class I major histocompatibility complex (MHC) antigen-reactive CTL clones or an Mls-reactive helper T lymphocyte (HTL) clone, respectively. Antibody against the broadly distributed LFA-1 molecule inhibited antigen-induced lymphokine production by all of the clones tested. Lectin-induced lymphokine production by cloned T cells was not inhibited by the clonotypic antibody, anti-Lyt-2, or anti-LFA-1; slight inhibition of the HTL clone was observed with the anti-L3T4 antibody. None of these structures appear to be uniquely involved with a particular functional response. Our results suggest that each of these structures is involved with the interactions between the effector cell and the stimulating cell leading to lymphokine production.

Original languageEnglish (US)
Pages (from-to)2051-2057
Number of pages7
JournalJournal of Immunology
Issue number4
StatePublished - Nov 8 1984
Externally publishedYes


ASJC Scopus subject areas

  • Immunology and Allergy
  • Immunology

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