Iron Deficiencies; Proteins/genetics; Scurvy/genetics; Aconitate Hydratase/metabolism; Amino Acid Sequence; Animals; Base Sequence; Cytosol/enzymology; DNA, Complementary/genetics; Ferritins/chemistry; Ferritins/genetics; Gene Expression Regulation; Guinea Pigs; Iron/blood; Iron-Regulatory Proteins; Liver/metabolism; Molecular Sequence Data; Oligonucleotide Probes/genetics; Protein Conformation; Proteins/metabolism; RNA, Messenger/genetics; RNA, Messenger/metabolism; RNA-Binding Proteins/blood; RNA-Binding Proteins/genetics; Receptors, Transferrin/genetics; Scurvy/complications; Scurvy/metabolism; Transferrin/genetics; Transferrin/metabolism; Weight Loss/physiology