a lymphokine , similar in size ( 30,000 daltons ) to tcgf but heterogeneous in charge ( pi 3.0 -- 4.0 ) , stimulates immune responses to erythrocyte antigens in t-cell-depleted spleen cultures but has no stimulatory activity in the other lymphocyte assay systems described .
C0024297
lymphokine
C0024264
lymphocyte