the addition of low concentrations of phorbol 12-myristate 13-acetate to rabbit neutrophils induces cell aggregation , degranulation , increased oxygen consumption and an increase in the amount of actin associated with the cytoskeleton without a rise in the level of intracellular free calcium as measured using the fluorescent probe quin-2 .
C0001271
actin
C0010853
cytoskeleton