at the same concentrations at which cya exerted this suppressor activity , it did not affect the growth of the ea3.15 pre-b cell clone supported by recombinant mouse il3 ( the read-out for il3 activity used in this study ) nor did it show significant inhibitory effect on the spontaneous secretion of il3 by wehi-3 cells and by the ld1 t helper line .
C0007595
growth of
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cells