assay of the proliferation of human il 2-dependent alloreactive t lymphocyte line/atll ) indicates that lmf preparations contain il 2 , il 2 activity , however , is completely removed by absorption of lmf preparations by atll cells , whereas lmf activity ( b cell proliferation ) is unabsorbable , thus distinguishing lmf from il 2 .
C1155046
proliferation
C0007634
cells