نتایج جستجو برای: hepatic iron overload
تعداد نتایج: 251907 فیلتر نتایج به سال:
The activities and subcellular distribution of enzymes implicated in the protection of cells from free-radical mediated damage were determined in liver biopsy specimens from control and iron-overloaded patients. 2. There was a small but insignificant decrease in the activity of glutathione reductase in patients with secondary iron overload due to multiple transfusion therapy for thalassaemia ma...
Magnetic resonance (MR) imaging is a method of choice for assessing vascular patency and parenchymal iron overload. During the course of paroxysmal nocturnal hemoglobinuria (PNH), it is clinically relevant to differentiate abdominal vein thrombosis from hemolytic attacks. Furthermore, the study of the parenchymal MR signal intensity adds informations about the iron storage in kidneys, liver, an...
BACKGROUND Due to the limited data available in literature, the aim of this multi-centre study was to prospectively compare in thalassemia major (TM) patients the efficacy of combined deferiprone (DFP) and deferoxamine (DFO) regimen versus either DFP and DFO in monotherapy by cardiovascular magnetic resonance (CMR) over a follow up of 18 months. METHODS Among the first 1135 TM patients in the...
Beta2-microglobulin was investigated in atypical haemochromatosis patients not homozygous for the C282Y mutation of HFE (OMIM *235200), because the HFE protein binds beta2-microglobulin, and in mice beta2-microglobulin gene knockout causes hepatic iron overload. Six unrelated patients with atypical haemochromatosis were studied. Five patients had normal HFE coding sequence and the sixth was het...
Hepcidin levels and iron status in beta-thalassemia major patients with hepatitis C virus infection.
Beta-thalassemia is an inherited anemia in which synthesis of the hemoglobin beta-chain is decreased. Clinical features of beta-thalassemia include variably severe anemia and iron overload due to increased intestinal iron absorption, which may result in damage to vital organs. The hepatic peptide; hepcidin is a key regulator of iron metabolism in mammals. The present study aimed to determine th...
BACKGROUND Emerging scientific evidence has disclosed a correlation between iron metabolism and type 2 diabetes (T2D). OBJECTIVE The objective of this study was to test the hypothesis that body iron stores are higher in a Chinese population with altered glucose homeostasis. DESIGN Serum iron, ferritin, and soluble transferrin receptor concentrations were measured in 298 subjects, including ...
Background Iron status has been linked with impaired glucose metabolism (IGM), type 2 diabetes mellitus (T2DM) and the metabolic syndrome (MetS), but role of hepatic steatosis or iron overload on these associations remains uncertain. Methods We analysed data from 2310 participants without known T2DM population-based Study Health in Pomerania (SHIP-TREND, Germany) through logistic regression mod...
Hereditary haemochromatosis (HH) is a common autosomal recessive disorder of iron overload in Caucasian populations. Clinical manifestations usually occur in individuals homozygous for the C282Y mutation in the HFE gene product and who have developed significant iron loading. Current screening methods can detect affected individuals either prior to or early during disease evolution, enabling ea...
Iron-copper interactions were described decades ago; however, molecular mechanisms linking the two essential minerals remain largely undefined. Investigations in humans and other mammals noted that copper levels increase in the intestinal mucosa, liver and blood during iron deficiency, tissues all important for iron homeostasis. The current study was undertaken to test the hypothesis that dieta...
Hereditary hemochromatosis (HH) is a common autosomal recessive disorder characterized by excess absorption of dietary iron and progressive iron deposition in several tissues, particularly liver. Liver disease resulting from iron toxicity is the major cause of death in HH. Hepatic iron loading in HH is progressive despite down-regulation of the classical transferrin receptor (TfR). Recently a h...
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