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Non-transferrin-bound iron Katsunori Sasaki 1 , Katsuya Ikuta 2 , Yoshihiro Torimoto 3 , Yutaka Kohgo 2 1Department of Gastrointestinal Immunology and Regenerative Medicine, Asahikawa Medical University 2Division of Gastroenterology and Hematology/Oncology (Third Department of Internal Medicine), Department of Medicine, Asahikawa Medical University 3Oncology Center, Asahikawa Medical University Hospital Keyword: 非トランスフェリン結合鉄 , 鉄代謝 , non-metal HPLC , 高感度定量 pp.1070-1082
Published Date 2012/10/15
DOI https://doi.org/10.11477/mf.1542103158
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NTBI (non-transferrin-bound iron) refers to all forms of iron in the plasma that is not bound to transferrin, and is considered to be a marker of iron toxicity. Therefore, quantification of NTBI may be clinically important. We established a reliable, stable, and reproducible NTBI quantification method utilizing HPLC (the high-performance liquid chromatography) system with high sensitivity. Application of our modified method proved that NTBI was detected even in healthy volunteers, although the concentration was extremely low. Subsequently, this improved method for NTBI quantification may be a widely acceptable new marker for evaluating and monitoring iron metabolism and iron toxicity.


Copyright © 2012, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1367 印刷版ISSN 0485-1420 医学書院

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