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Wayne State University

Theses/Dissertations

Host immunity

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Vip And Host Immunity, Xiaoyu Jiang Jan 2012

Vip And Host Immunity, Xiaoyu Jiang

Wayne State University Dissertations

The purpose of the current dissertation was to examine how VIP regulates host immunity and corneal healing, specifically, its control of growth factors and TLR expression in the P. aeruginosa infected cornea. Firstly, VIP treatment increased growth factor expression (EGF, GHF, FGF and VEGF) in infected cornea. Notably, treatment with a mixture of EGF, FGF and HGF prevented corneal perforation, reduced pro-inflammatory cytokines and bacterial plate count, while increasing anti-inflammatory cytokines and antimicrobials such as murine beta-defensin2 and 3.

We also investigated the expression of TLR-signaling pathways in P. aeruginosa infected corneas with or without VIP treatment. PCR array and …