Existence of an Erythropoitic labile iron pool
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منابع مشابه
Fluorescence measurements of the labile iron pool of sickle erythrocytes.
Sickle erythrocytes have increased ferritin and increased molecular iron on the inner membrane leaflet, and we postulated that cytosolic labile iron is also elevated. We used the fluorescent metallosensor, calcein, and a permeant Fe2+ chelator to estimate labile cytoslic Fe2+, and calcein plus an Fe3+ chelator to estimate total cytosolic labile iron (Fe2+ + Fe3+). We measured membrane nonheme i...
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Although multiple factors are associated with cardiovascular pathology, there is now an impressive body of evidence that free radicals and nonradical oxidants might cause a number of cardiovascular dysfunctions. Both direct damage to cellular components and/or oxidation of extracellular biomolecules, e.g. LDL, might be involved in the aetiology of cardiovascular diseases. The key molecules in t...
متن کاملLeukocyte labile iron pool in patients with systolic heart failure.
INTRODUCTION Data regarding sources of oxidative stress in the failing myocardium are sparse. Leukocytes actively participate in the oxidative damage observed in human heart failure (HF). The intracellular labile iron pool (LIP) represents a source of toxic reactive oxygen species. METHODS We studied patients with chronic systolic HF who had a left ventricular ejection fraction (LVEF) 45%. We...
متن کاملThe labile iron pool in hepatocytes: prooxidant-induced increase in free iron precedes oxidative cell injury.
The labile iron pool (LIP) represents the nonferritin-bound, redox-active iron that has been implicated in oxidative stress and cell injury. Here we examined whether alterations in LIP can be detected in cultured murine hepatocytes and whether increases in LIP are related to the oxidative damage inflicted by the redox cycling drug nitrofurantoin (NFT). Early changes in LIP were monitored with t...
متن کاملLymphocyte labile iron pool, plasma iron, transferrin saturation and ferritin levels in colon cancer patients.
Patients with colorectal carcinoma showed statistically significant lower values of transferrin saturation, total iron binding capacity and serum iron level as compared with control group, while the level of ferritin and the size of labile iron pool in carcinoma patients were higher, although this difference was not statistically significant. Our observations are in favour of the hypothesis whi...
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عنوان ژورنال
دوره 14 شماره 1
صفحات 77- 82
تاریخ انتشار 1962-02-01
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