Title : Antioxidant properties of mesalamine in colitis inhibit phosphoinositide 3-kinase signaling in progenitor cells.

Pub. Date : 2013 Sep

PMID : 23867870






5 Functional Relationships(s)
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1 We now hypothesize that 5-ASA mediates changes in intestinal epithelial cell (IEC) reactive oxygen species during colitis to affect phosphatase and tensin homolog (PTEN), PI3K, and beta-catenin signaling. Mesalamine phosphatase and tensin homolog Homo sapiens
2 Data showed 5-ASA-induced peroxisome proliferator-activated receptor gamma DNA binding to the PTEN promoter (chromatin immunoprecipitation) and reduced both phosphorylated and oxidized (inactive) PTEN protein levels. Mesalamine phosphatase and tensin homolog Homo sapiens
3 Data showed 5-ASA-induced peroxisome proliferator-activated receptor gamma DNA binding to the PTEN promoter (chromatin immunoprecipitation) and reduced both phosphorylated and oxidized (inactive) PTEN protein levels. Mesalamine phosphatase and tensin homolog Homo sapiens
4 Reduced PI3K/Akt signaling and expression of beta-catenin target genes in 5-ASA-treated CUC patients additionally suggests enhanced PTEN activity as well. Mesalamine phosphatase and tensin homolog Homo sapiens
5 CONCLUSIONS: Therefore, 5-ASA reduces CUC-induced reactive oxygen species in colonic progenitor cells and enhances PTEN activity, thus attenuating PI3K/Akt signaling. Mesalamine phosphatase and tensin homolog Homo sapiens