Cholinergic Augmentation of Lymphocyte-Mediated Cytotoxicity. A Study of the Cholinergic Receptor of Cytotoxic T Lymphocytes

  • Terry B. Strom
    Harvard Medical School, Peter Bent Brigham Hospital, Immunology Laboratory, Boston, Massachusetts 02115
  • Arthur J. Sytkowski
    Harvard Medical School, Peter Bent Brigham Hospital, Department of Medicine, Biophysics Research Laboratory, Boston, Massachusetts 02115
  • Charles B. Carpenter
    Harvard Medical School, Peter Bent Brigham Hospital, Immunology Laboratory, Boston, Massachusetts 02115
  • John P. Merrill
    Harvard Medical School, Peter Bent Brigham Hospital, Immunology Laboratory, Boston, Massachusetts 02115

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<jats:p> Cholinergic agonists have previously been shown to augment the ability of sensitized lymphocytes to injure cells bearing the sensitizing alleantigens. The cholinergic receptor of the attacking lymphocyte population has been studied with pharmacological manipulation of an <jats:italic>in vitro</jats:italic> system that quantitates the injury mediated by sensitized attacking cells upon target cells. The data reveal that muscarinic ligands are several orders of magnitude more potent than nicotinic agents in altering cytotoxicity. </jats:p>

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