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(A) Traversal by P. aeruginosa strain PA01 of corneal epithelial cells grown on filters with and without Matrigel coating. Cells grown on Matrigel showed increased resistance to bacterial traversal compared to cells grown without Matrigel over the 5-h assay (P ≤ 0.04, t test at all time points). (B) Matrigel-coated filters without cells reduced traversal of PA01 compared to that with uncoated filters over the 5-h assay (P ≤ 0.01, t test at all time points).
