to examine the role of ca2+ and protein kinase c activation as determinants of change in f-actin content of neutrophils , we used the nbd-phallacidin extraction assay to compare the kinetics and extent of change in f-actin content of cells activated with fmlp , the calcium ionophore a23187 or phorbol myristate acetate ( pma ) .
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f-actin
C0007634
cells