paf was found to elicit a secretory response and to stimulate a rapid breakdown of the polyphosphoinositides , an increase in the cytoplasmic level of free calcium ( as monitored by quin2 ) , a decrease in the fluorescence of cell-associated chlortetracycline , an enhanced activity of the sodium/hydrogen antiport , a transient depolarization , and an increase in the level of cytoskeletal actin .
C0010834
cytoplasmic
C0010853
cytoskeletal