PKC-zeta prevents oxidant-induced iNOS upregulation and protects the microtubules and gut barrier integrity.

Abstract

Using intestinal (Caco-2) monolayers, we reported that inducible nitric oxide synthase (iNOS) activation is key to oxidant-induced barrier disruption and that EGF protects against this injury. PKC-zeta was required for protection. We thus hypothesized that PKC-zeta activation and iNOS inactivation are key in EGF protection. Wild-type (WT) Caco-2 cells were… (More)

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