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a protein containing 20% iron that is found in the intestines and liver and spleen

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Increased serum ferritin concentrations often are indices of excess iron stores; however, several hyperferritinemic conditions are not related to iron overload, and they include disorders such as inflammations, neoplasia (3), and the recently described metabolic dysfunction-associated liver iron overload syndrome (4), conditions that are associated to iron decompartmentalization and characterized by low or normal transferrin saturation.
All 230 subjects had serum ferritin concentrations >400 [micro]g/L (range, 420-5500 [micro]g/L); transferrin saturation was <30% in only 11 subjects.
We then analyzed 230 DNA samples from subjects with serum ferritin concentrations ranging from 420 to 5500 [micro]g/L who underwent HFE genotyping for diagnosis of hereditary hemochromatosis.
In one patient, serum ferritin did not exceed the upper limit of the reference interval during AHD.
The plasma ALT increased from a basal mean (SD) of 45 (29) U/L to 2970 (1540) U/L during AHD, and ferritin increased from 200 (130) [micro]g/L to 18 260 (17 860) [micro]g/L.
The rapid increase in ferritin in AHD suggests that ferritin is present in the cytosol of the hepatocytes.
Because of the difficulties in obtaining suitable human tissue for ferritin purification and to eliminate potential differences between separate preparations of purified human ferritin, a recombinant ferritin preparation of L subunits has been assessed as a potential replacement for the IS.
The first aim of the study was to compare the recombinant ferritin with the 2nd IS for ferritin (spleen) in a wide range of immunoassays and assign a ferritin content to the ampouled recombinant material.
We anticipated that ferritin and ceruloplasmin, which are iron-related proteins, would be associated with the difference between methods, but the results of our multiple regression analysis showed that these factors did not account for a significant variance in the difference.
Heterozygotes have been reported to have slight, but significant, increases of serum ferritin (10, 11).
We used a combined approach by examining both the prevalence of the C282Y mutation and serum ferritin concentrations.
To investigate the value of ferritin in coronary risk assessment in a population with a high prevalence of atherosclerosis (21), we evaluated the relationship between ferritin and the presence of CAD in the Iranian population.
Blood samples were obtained after a 12-h fast on the day before angiographic procedure and total cholesterol (TC), triglyceride (TG), HDL-cholesterol (HDL-C), ferritin and high-sensitivity C-reactive protein (CRP) concentrations were determined for all patients.
For this purpose, we measured serum indicators of body iron compartments: iron and transferrin saturation (iron transport compartment), ferritin (iron storage compartment), and soluble transferrin receptors (sTfR; functional iron compartment) (14-16).
Serum Hp, CRP, ferritin, and sTfR were assayed by fixed-time immunonephelometry using commercial rabbit anti-human antisera on a BN II nephelometer (Dade Behring), calibrated against the CRM 470 reference material (18).