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Ferritin is found in most tissues as a cytosolic protein, but small amounts are secreted into the serum where it functions as an iron carrier. Plasma ferritin is also an indirect marker of the total amount of iron stored in the body; hence, serum ferritin is used as a diagnostic test for iron-deficiency anemia and iron overload. [4]
Ferritin light chain is a protein that in humans is encoded by the FTL gene. [4] [5] [6] Ferritin is the major protein responsible for storing intracellular iron in prokaryotes and eukaryotes. It is a heteropolymer consisting of 24 subunits, heavy and light ferritin chains. [6] This gene has multiple pseudogenes. [6]
Sauceda shares a contextual example of how much protein is in one serving: “A 3-ounce portion of chicken will have 28 grams of protein, compared to a whole chicken breast, which has almost 60 ...
For adults 65 and up, recent research recommends consuming at least 1.2 grams of protein per kilogram of body weight to combat sarcopenia, the natural loss of muscle that comes with aging.
One study showed that eating more protein (about 1.2 grams of protein per kilogram of body weight) can help maintain muscle mass and prevent muscle loss in older adults.
Since iron stores in the body are generally depleted, and there is a limit to what the body can process (about 2–6 mg/kg of body mass per day; i.e. for a 100 kg/220 lb man this is equal to a maximum dose of 200–600 mg/per day) without iron poisoning, this is a chronic therapy which may take 3–6 months. [50]
Iron can be stored in ferritin as ferric iron due to the ferroxidase activity of the ferritin heavy chain. [43] Dysfunctional ferritin may accumulate as hemosiderin, which can be problematic in cases of iron overload. [44] The ferritin storage iron pool is much larger than the labile iron pool, ranging in concentration from 0.7 mM to 3.6 mM. [40]
14319 Ensembl ENSG00000167996 ENSMUSG00000024661 UniProt P02794 P09528 RefSeq (mRNA) NM_002032 NM_010239 RefSeq (protein) NP_002023 NP_034369 Location (UCSC) Chr 11: 61.96 – 61.97 Mb Chr 19: 9.96 – 9.96 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Ferritin heavy chain is a ferroxidase enzyme that in humans is encoded by the FTH1 gene. FTH1 gene is located on chromosome 11, and ...