The role of monovalent cations in the interaction between the cytotoxic T lymphocyte and its target

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Abstract
Evidence is provided for the participation of monovalent cations in both the binding and lytic phases of the lytic cycle. There appears to be one sodium requirement in the cytotoxic T lymphocyte-target binding event (effective dose50 ∼ 35 mM) and possibly another sodium requirement in the delivery of the lethal hit (ED50 50 ∼ 110 mM). Lithium antagonizes the binding event (ID50 ∼ 15 mM).