Dietary Iron Content.
Unless otherwise stated, animals were supplied a standard rodent chow diet containing 200 ppm iron. In iron-deficiency experiments, mice were provided an iron-deficient diet (2–5 ppm iron; Teklad TD.99397; Harlan Laboratories) or a matched control diet (200 ppm iron; Teklad TD.08713) from weaning for 8 wk. In iron-overload experiments, 8- to 10-wk-old mice were provided an iron-loaded diet (5,000 ppm iron; Teklad TD.140464) or a matched control diet (200 ppm iron; Teklad TD.08713) for 6 wk.