effects of four known blockers of t-lymphocyte potassium channels [ verapamil , quinine , 4-aminopyridine ( 4-ap ) and tetraethylammonium ( tea ) ] , were studied on polyclonal t-cell activation induced by two plant mitogens ( phytohemmaglutinin ; pha and concanavalin a ; cona ) , a mitogenic anti-thy 1.2 monoclonal antibody ( mab g7 ) and phorbol ester ( phorbol myristate acetate ; pma ) .
C0031586
phorbol ester
C0039654
pma