Intestinal iron loading in mice with intestine-specific knockout of HEPH.

<p><b>A.</b> Representative Perls' Prussian blue stained duodenal sections from male mice maintained on a chow diet. Aperio Scanscope XT, 40× magnification of a villus tip. Non-heme iron stains blue. <b>B.</b> FTN protein expression in duodenal enterocytes from Heph^fl/y and Heph^int/y male mice at 6–7 weeks of age as examined by SDS-PAGE followed by immunoblotting. Actin expression in the same samples is shown below. At right, densitometry data is shown for this blot. Mean ± SD. Groups that share at least one letter are not significantly different.