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Cytotoxic Mechanisms of Iron Chelators with Therapeutic Potential

Timothy Chaston

ISBN 10: 3639147804 / ISBN 13: 9783639147803
Published by VDM Verlag
New Condition: New Soft cover
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172 pages. Dimensions: 8.7in. x 5.9in. x 0.4in.For many years iron chelators have been used for the treatment of iron overload disease and cancer. Nonetheless, the development of novel synthetic chelators with improved bioavaliability and reduced cytotoxicity remains an area of much interest. This thesis is an examination of some mechanisms through which iron binding agents cause toxicity. Two novel classes of iron chelator were compared to clinically relevant chelators with a range of cytotoxic profiles. A variety of assays were employed to categorise these agents in terms of their capacity to withdraw iron from cells, to generate oxygen radicals and to damage to DNA. In correlating these properties with in vitro effects on proliferation it emerges that toxicity of iron chelators arises from cellular iron deprivation, the induction of oxidative stress and biomolecular localisation of oxygen radicals. In identifying functional structural elements and iron binding motifs this work indicates biological consequences to be considered in the design of iron binding chemotherapeutic agents. This item ships from multiple locations. Your book may arrive from Roseburg,OR, La Vergne,TN. Bookseller Inventory # 9783639147803

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Bibliographic Details

Title: Cytotoxic Mechanisms of Iron Chelators with ...

Publisher: VDM Verlag

Binding: Paperback

Book Condition:New

Book Type: Paperback

About this title

Synopsis:

For many years iron chelators have been used for the treatment of iron overload disease and cancer. Nonetheless, the development of novel synthetic chelators with improved bioavaliability and reduced cytotoxicity remains an area of much interest. This thesis is an examination of some mechanisms through which iron binding agents cause toxicity. Two novel classes of iron chelator were compared to clinically relevant chelators with a range of cytotoxic profiles. A variety of assays were employed to categorise these agents in terms of their capacity to withdraw iron from cells, to generate oxygen radicals and to damage to DNA. In correlating these properties with in vitro effects on proliferation it emerges that toxicity of iron chelators arises from cellular iron deprivation, the induction of oxidative stress and biomolecular localisation of oxygen radicals. In identifying functional structural elements and iron binding motifs this work indicates biological consequences to be considered in the design of iron binding chemotherapeutic agents.

About the Author:

Timothy Chaston: Timothy B. Chaston, B.AppSci, Ph.D.: Post Doctoral Research Associate, Kings College London, London, UK. Des Richardson: Des R. Richardson, B.Sc., M.Sc., Ph.D., D.Sc: Professor of Cancer Cell Biology, NHMRC Senior Principal Research Fellow, Director of Iron Metabolism and Chelation Program, University of Sydney, Sydney, Australia.

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