FGF23 and infection: Moreover, WT mice were infected with mouse FGF23 promoter WT-luciferase (Ad-FGF23 WT-luc) or ERRE mutant-luciferase (Ad-FGF23 mut-luc) constructs via tail vein injection, and treated with vehicle or ethanol intragastically for 12 h after four days of infection.