Cited by 115Radiation Therapy and DosimetryEffects of Radiation ExposureSpaceflight effects on biology

Incidence of Acute Myeloid Leukemia and Hepatocellular Carcinoma in Mice Irradiated with 1 GeV/nucleon56Fe Ions

Weil, Michael M., Bedford, Joel S., Bielefeldt-Ohmann, Helle, Ray, F. Andrew, Genik, Paula C., Ehrhart, Eugene J., Fallgren, Christina M., Hailu, Fitsum +4 more·2009·Radiation Research

Abstract

Estimates of cancer risks posed to space-flight crews by exposure to high atomic number, high-energy (HZE) ions are subject to considerable uncertainty because epidemiological data do not exist for human populations exposed to similar radiation qualities. We assessed the leukemogenic efficacy of one such HZE species, 1 GeV (56)Fe ions, a component of space radiation, in a mouse model for radiation-induced acute myeloid leukemia. CBA/CaJ mice were irradiated with 1 GeV/nucleon (56)Fe ions or (137)Cs gamma rays and followed until they were moribund or to 800 days of age. We found that 1 GeV/nucleon (56)Fe ions do not appear to be substantially more effective than gamma rays for the induction of acute myeloid leukemia (AML). However, (56)Fe-ion-irradiated mice had a much higher incidence of hepatocellular carcinoma (HCC) than gamma-irradiated mice, with an estimated RBE of approximately 50. These data suggest a difference in the effects of HZE iron ions on the induction of leukemia compared to solid tumors, suggesting potentially different mechanisms of tumorigenesis.

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Crossref · 10.1667/rr1648.1

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  • In hepatocellular carcinoma in male C3H/HeNCrl mice, incidence of metastatic tumors significantly increased with Si and Fe particles compared to γ-rays or simulated solar protons.

    “Incidence of metastatic tumors significantly increased with Si and Fe particles compared to γ-rays or simulated solar protons.”
  • In hepatocellular carcinoma in male C3H/HeNCrl mice, the dose response for Si and Fe particles was qualitatively different from γ-rays.

    “Hepatocellular carcinoma in male C3H/HeNCrl mice (Weil et al., 2009;Weil et al., 2014) Dose response for Si and Fe particles was qualitatively different from γ-rays.”

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Authors
Weil, M. M., Bedford, J. S., Bielefeldt-Ohmann, H., Ray, F. A., Genik, P. C., Ehrhart, E. J., Fallgren, C. M., Hailu, F., Battaglia, C. L. R., Charles, B., Callan, M. A., & Ullrich, R. L.
Affiliations
Colorado State University (US)
Venue
Radiation Research
Published
2009-08
Volume
172
Issue
2
Pages
213-219
ISSN
  • 0033-7587 (ISSN-L)
  • 1938-5404
OpenAlex
W2157512479
Cited by
115
References
36
Citations by year
2026: 3 · 2025: 2 · 2024: 3 · 2023: 2 · 2022: 5 · 2021: 6 · 2020: 5 · 2019: 7 · 2018: 10 · 2017: 6 · 2016: 6 · 2015: 16 · 2014: 14 · 2013: 11 · 2012: 7
FWCI
5.05
Type
journal article
Language
en
Open access
closed
Locations
  • Radiation Research (publishedVersion)
  • PubMed (publishedVersion)
  • BioOne Complete (BioOne) (submittedVersion)
Funders
  • U.S. Department of Energy
  • National Aeronautics and Space Administration
Topics
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Radiation Therapy and Dosimetry
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Health Sciences › Medicine › Physiology › Spaceflight effects on biology
Keywords
acute myeloid leukemia, hepatocellular carcinoma, 56Fe ions, HZE radiation, space radiation, radiation-induced cancer, relative biological effectiveness, iron ion irradiation, CBA/CaJ mice, gamma radiation
MeSH terms
Animals, Cosmic Radiation, Dose-Response Relationship, Radiation, Carcinoma, Hepatocellular, Iron, Leukemia, Myeloid, Liver Neoplasms, Male, Neoplasms, Radiation-Induced, Radiation Dosage, Risk Factors, Whole-Body Irradiation, Incidence, Risk Assessment, Heavy Ions, Mice

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