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Research Article Open access CC BY 3.0

Iron-Chelating Property of Phytic Acid in Thalassaemia: An In vitro Study

A. Bhowmik, D. Chattopadhyay, S. Chakravarty, T. K. Chatterjee

Biotechnology Journal International · pp. 858–867 · Published 24 Jul 2014

10.9734/BBJ/2014/9781

Abstract

Aims: The aim of this study is to report an oral iron chelator phytic acid (PA), on blood samples from different types of thalassaemic patients of various age groups and physical conditions. Study Design: The In vitro iron chelating effect was evaluated by ferritin assay using ELISA. Methodology: Blood from the iron-overloaded 30 Thalassaemic patients of different age groups, body weights and heights were collected and the serum was separated. Patients without any history of blood transfusion and chelation therapy were taken as control group. The ELISA based ferritin assay was performed with standard phytic acid (40% water solution, Fluka), using Desferrioxamine (DFO) as control (0.5g Deferoxamine mesylate USP, Novartis, USA). The serum ferritin levels were recorded in two different conditions (treated with DFO and PA) at different time intervals (10, 30 and 60 min) by measuring absorbance at 450 nm.  Results: The Kolmogorov-Smirnov test of patient samples in two different conditions showed that the ferritin concentration, treated by DFO and PA, was significantly decrease in PA treated group compared to DFO, when used in equivalent concentrations, at intervals of 10 min (P=0.760),30 min (P=0.537) and 60 min (P=0.055). Conclusion: The common iron chelators DFO or Deferiprone used as monotherapy may lead to transient and incomplete removal of iron, while PA showed a more complete and sustained removal of ferritin due to specific chemical binding at a wider pH range. However, further trial is required to establish its maintenance dose, comparative efficacy and mechanism of action.

Iron chelator phytic acid ferritin thalassaemia desferrioxamine

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Cited by 2

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