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Effect of exogenous FGF23 on renal cortical BBM NaPi-2a protein expression in FGFR3−/− and FGFR4−/− Mice. Shown are immunoblots of renal cortical BBM NaPi-2a and β-actin. After FGF23 administration, NaPi-2a (relative to β-actin expression) significantly decreased in FGFR3−/− and FGFR4−/− mice similar to that seen in their wild-type counterparts. Values are means ± SE.
