however , tc mast cells from adult foreskin contained eightfold to 10-fold higher levels of chymase ( 4.5 micrograms and 1.01 u/10 ( 6 ) mast cells ) and twofold to threefold higher levels of tryptase ( 11.5 micrograms and 0.27 u/10 ( 6 ) mast cells ) than did tc mast cells from newborn foreskin ( less than 0.6 microgram and 0.09 u of chymase and 35 micrograms and 0.62 u of tryptase/10 ( 6 ) mast cells ) .
C0055673
chymase
C0024880
mast cells