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Table 2 Checkerboard result for chemotaxis and chemokinesis. The number of cells that migrated across the filter was counted at the end of the 8 h assay. Plus (+) and minus (-) indicators show, respectively, the presence or absence of cells on the underside of the filter. The number of indicators (plus or minus) approximates the level of cell migration.

From: Rapid chemokinetic movement and the invasive potential of lung cancer cells; a functional molecular study

Lower Chamber
UPPER   0% FBS 1.5% FBS 3% FBS 10% FBS
  0 % FBS - +++ +++++ +++++++
  1.5% FBS + + + +++
  3% FBS + + ++ +++
  10% FBS + + ++ ++