We further investigated the possible involvement of interferon gamma (IFN-gamma) and calmodulin-dependent activation of myosin light chain kinase (MLCK), and alterations of zonula occludens-1 (ZO-1) localization in PAR(2)-induced responses.
The resulting tight junction opening does not depend upon IFN-gamma secretion, while the increased permeability in response to the high dose of PAR(2) agonist involves IFN-gamma secretion.