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Permeability to sodium fluorescein (Na-F_Pe) (A) and transendothelial electrical resistance (TEER) (B) were determined after exposure. All values presented are means ± S.E.M. from at least four independent experiments performed in duplicate. *P<0.05, **P<0.01 and ***P<0.001 vs. respective control; § P<0.05 vs. LPS at the same time-point; # P<0.05 from 4 h.
