New insights into transfusion-related iron toxicity

Implications for the oncologist

John B. Porter, Theo de Witte, M. Domenica Cappellini, Norbert Gattermann

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Iron overload is a potentially life-threatening consequence of multiple red-blood-cell transfusions. Here, we review factors affecting excess iron distribution and its damage to specific tissues, as well as mechanisms of oncogenesis by iron. Although consequences of transfusional iron overload are best described in thalassemia major and related inherited anemias, they are increasingly recognized in acquired conditions, such as myelodysplastic syndromes (MDS). Iron overload in MDS not only impacts on certain tissues, but may affect the clonal evolution of MDS through generation of reactive oxygen species. Iron overload may also influence hematopoietic-stem-cell-transplantation outcomes. Novel MRI methods for assessing body iron have impacted significantly on outcome in inherited anemias by allowing monitoring of iron burden and iron chelation therapy. This approach is increasingly being used in MDS and stem-cell-transplant procedures. Knowledge gained from managing transfusional iron overload in inherited anemias may be translated to general oncology, with potential for improved patient outcomes.

Original languageEnglish
Pages (from-to)261-271
Number of pages11
JournalCritical Reviews in Oncology/Hematology
Volume99
DOIs
Publication statusPublished - Mar 1 2016

Fingerprint

Iron Overload
Myelodysplastic Syndromes
Iron
Anemia
Clonal Evolution
Chelation Therapy
Erythrocyte Transfusion
beta-Thalassemia
Hematopoietic Stem Cell Transplantation
Reactive Oxygen Species
Carcinogenesis
Stem Cells
Oncologists
Transplants

Keywords

  • Acute myeloid leukemia
  • Chelation
  • Hematopoietic stem cell transplantation
  • Iron overload
  • Myelodysplastic syndromes
  • Oncogenesis
  • Thalassemia
  • Transfusion

ASJC Scopus subject areas

  • Oncology
  • Hematology
  • Geriatrics and Gerontology

Cite this

New insights into transfusion-related iron toxicity : Implications for the oncologist. / Porter, John B.; de Witte, Theo; Cappellini, M. Domenica; Gattermann, Norbert.

In: Critical Reviews in Oncology/Hematology, Vol. 99, 01.03.2016, p. 261-271.

Research output: Contribution to journalArticle

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