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Part of the innate defence of bronchial epithelia against bacterial colonization is secretion of salt and water which generally depends on coordinated actions of receptor-mediated cAMP- and calcium signalling. The hypothesis that Staphylococcus aureus-virulence factors interfere with endogenous signals in host cells was tested by measuring agonist-mediated(More)
Part of the innate defense of bronchial epithelia against bacterial colonization is regulated secretion of salt, water, and mucus as well as defensins and cytokines involving MAP kinase activation and alterations in early gene expression. We tested two different types of immortalized human airway epithelial cells (S9, 16HBE14o-) for activation of Erk-type(More)
Mechanical clearance of inhaled dust particles and microorganisms is an important part of the innate defense mechanisms of mammalian airways. Airway epithelia are composed of various cell types with different degrees of cell polarity. Serous cells regulate composition and volume of luminal periciliary fluid and mucus. Autocrine, paracrine, or neuronal(More)
We have constructed two vector systems (pDMS5, pSAB2) containing the promoter regions of the human CYP1A1 gene including xenobiotic response elements or the promoter region of the Xenopus laevis vitellogenin A2 gene including estrogen response elements, respectively, and the genes for green fluorescent protein and firefly luciferase. These vectors were(More)
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