منابع مشابه
Biosynthesis of Ferritin by Rat Liver Slices.
Iron greatly accelerates the biosynthesis of the protein moiety of the iron storage protein ferritin (1, 2). This phenomenon is therefore of general interest as an example of the adaptive control of specific protein synthesis. As a possible tool for studying the process in vitro, rat liver slices were tested for their ability to incorporate labeled amino acids into ferritin. In this report we d...
متن کاملAcute Phase Proteins: Ferritin and Ferritin Isoforms
Ferritin is a positive acute phase reactant, exhibiting increased levels in blood during the acute phase response. Nevertheless, the precise role of ferritin as an acute phase reactant remains to be clarified. As for other acute phase proteins, ferritin is produced and secreted by hepatocytes. However, ferritin is also produced and secreted by other cell types, including macrophages and cancer ...
متن کاملSerum ferritin.
(1) Brief introduction to iron metabolism and the biochemistry of ferritin. (2) Early studies of circulating ferritin. (3) Methods for measuring serum ferritin concentrations -- immunoradiometric, radioimmuno- and enzyme-linked immuno assays based on liver or spleen ferritin -- an evaluation of these techniques. (4) Serum ferritin concentrations in normal subjects -- definition of normality -- ...
متن کاملIron, ferritin, and nutrition.
Ferritin, a major form of endogenous iron in food legumes such as soybeans, is a novel and natural alternative for iron supplementation strategies where effectiveness is limited by acceptability, cost, or undesirable side effects. A member of the nonheme iron group of dietary iron sources, ferritin is a complex with Fe3+ iron in a mineral (thousands of iron atoms inside a protein cage) protecte...
متن کاملReduction of mammalian ferritin.
Mammalian ferritin from horse spleen undergoes an electrochemical or chemical reduction reaction in which each iron atom present is reduced by one electron (2300 electrons per ferritin molecule containing 2300 Fe3+ ions). Midpoint potentials of -190 mV, -310 mV, and -416 mV were determined at pH 7.0, 8.0, and 9.0. This variation of potential with pH indicates that approximately 2 H+ are transfe...
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ژورنال
عنوان ژورنال: Journal of Biological Chemistry
سال: 1955
ISSN: 0021-9258
DOI: 10.1016/s0021-9258(18)70946-0