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AuthorNasrallah, Gheyath K
AuthorYounes, Nadin N
AuthorBaji, Missbah H
AuthorShraim, Amjad M
AuthorMustafa, Ibrahim
Available date2018-02-11T09:20:57Z
Publication Date2018-01-01
Publication NameEuropean Journal of Haematology
CitationZebrafish larvae as a model to demonstrate secondary iron overload. Nasrallah GK, Younes NN, Baji MH, Shraim AM, Mustafa I. Eur J Haematol. 2018 Jan 27. doi: 10.1111/ejh.13035.
AbstractThalassemia is the most common genetically inherited blood disorder arising from a defect in hemoglobin production, resulting in ineffective erythropoiesis and severe hemolytic anemia. While transfusion therapy corrects the anemia, it gives rise to secondary iron overload. Current iron chelation therapy performed using deferoxamine, and the efficiency of this drug was demonstrated here using the zebrafish animal model. Zebrafish larvae were exposed for three days to iron [100 μM ferric ammonium citrate; 3-6 days post fertilization (dpf)]. Then, iron treated larvae were exposed to 100 μM deferoxamine for three days (6 - 9 dpf). Total tissue iron concentration in the whole larvae, assessed by three different assays; inductively coupled plasma mass spectrometry, colorimetry (spectrophotometry), and microscopy using iron staining followed by imaging and quantification. The three assays showed that iron treatment alone resulted in a significant increase in total iron. Deferoxamine treatment of the iron-loaded zebrafish larvae showed a significant decrease in total iron concentration. This study presented a clear evidence of the effectiveness of zebrafish larvae to use as a tool to study iron overload and open the door for studying the efficiency of potential new iron chelating compounds other than commercially available ones. This article is protected by copyright. All rights reserved.
TitleZebrafish larvae as a model to demonstrate secondary iron overload.

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