previous studies indicated that ca++ ionophores and phorbol esters in synergy could substitute for the initial activation step of normal t lymphocytes or t cell clones leading to increased expression of receptors for the growth factor interleukin 2 ( il 2 ) and secretion of interleukins , with the mitogenic signal for t cell proliferation being dependent on the presence of il 2 .
C1155065
activation
C0039194
t