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Table 1 Average number of filopodia and filopodia containing Arp2/3 complex per cell.

From: Arp2/3 complex activity in filopodia of spreading cells

Average number per cell 15 minutes 30 minutes 60 minutes
Filopodia 11.7 (± 2.5) 14.1 (± 1.3) 17.3 (± 3.1)
Filopodia containing Arp2/3 complex 3.2 (± 1.4) 3.9 (± 1.4) 7.0 (± 0.4)
Percentage 27.4 26.2 40.5
  1. Cells were spread on fibronectin for the ties indicated before fixation. Counts are from 3 independent experiments and are ± standard deviation. 15 minutes n = 73, 30 minutes n = 50, 60 minutes n = 30.