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Deferasirox-induced cytogenetic responses.

Mehmet Arslan1, Hasan Basri Ila2

  • 1Ardahan University, School of Health Sciences, Department of Nursing, 75000 Ardahan, Turkey.

Environmental Toxicology and Pharmacology
|March 4, 2015
PubMed
Summary

Deferasirox, an iron chelator, increased chromosome aberrations and sister chromatid exchanges in human cells and rats. It also reduced cell proliferation, indicating potential genotoxicity in iron overload disease treatment.

Keywords:
CytotoxicityDeferasiroxGenotoxicityIn vitroIn vivoIron chelator

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Area of Science:

  • Toxicology
  • Genetics
  • Pharmacology

Background:

  • Deferasirox is an effective iron chelator for treating iron overload diseases.
  • Understanding its genotoxic potential is crucial for patient safety.

Purpose of the Study:

  • To evaluate the in vitro and in vivo genotoxic effects of deferasirox.
  • Assessing its impact on chromosome aberration, sister chromatid exchange, and mitotic index.

Main Methods:

  • In vitro analysis using human peripheral lymphocytes.
  • In vivo analysis using rat models.
  • Evaluation of chromosome aberration, sister chromatid exchange, and mitotic index.

Main Results:

  • Deferasirox increased sister chromatid exchange frequency in vitro at all tested concentrations.
  • In vitro, deferasirox significantly increased abnormal cell percentages and reduced proliferation and mitotic indices.
  • In vivo, deferasirox increased chromosome aberrations in a dose-dependent manner and reduced bone marrow cell mitotic index.

Conclusions:

  • Deferasirox exhibits genotoxic effects, including increased chromosome aberrations and sister chromatid exchanges.
  • The drug demonstrates cytotoxicity, evidenced by reduced cell proliferation and mitotic indices.
  • Further investigation into the long-term genotoxic risks of deferasirox is warranted.