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Updated: May 11, 2026
11:06
Identifying DNA Mutations in Purified Hematopoietic Stem/Progenitor Cells
Published on: February 24, 2014
Mutagenic and genotoxic effect of hydroxyurea.
Jean L Santos1, Priscila L Bosquesi, Adélia E Almeida
1Lapdesf - Laboratório de Pesquisa e Desenvolvimento de Fármacos. Departamento de Fármacos e Medicamentos - Faculdade de Ciências Farmacêuticas - Universidade Estadual Paulista "Júlio de Mesquita Filho" (UNESP) Rodovia Araraquara-Jaú Km.01 s/n, 14801-902, Araraquara, São Paulo, Brasil;
International Journal of Biomedical Science : IJBS
|May 16, 2013
Summary
Hydroxyurea, a key treatment for sickle cell disease, shows mutagenic and genotoxic potential. This study confirmed its ability to cause mutations and DNA damage in laboratory tests.
Area of Science:
- Toxicology
- Genetics
- Pharmacology
Background:
- Sickle cell disease treatment relies heavily on hydroxyurea.
- Understanding the genotoxic and mutagenic risks of hydroxyurea is crucial.
Purpose of the Study:
- To evaluate the mutagenic and genotoxic potential of hydroxyurea.
- Assess hydroxyurea's effects using the Salmonella/Microsome assay and micronucleus test.
Main Methods:
- Salmonella/Microsome assay with varying hydroxyurea doses (29.25-468 μmol/plate).
- Micronucleus test in mice peripheral blood with hydroxyurea doses (12.5-100 mg/kg).
- Inclusion of metabolic activation in the Salmonella/Microsome assay.
Main Results:
- Hydroxyurea exhibited mutagenic activity in TA98 and TA100 strains at specific doses.
- A significant increase in micronuclei frequency was observed in mouse reticulocytes at 50, 75, and 100 mg/kg.
- The drug demonstrated dose-dependent genotoxic effects.
Conclusions:
- Hydroxyurea possesses mutagenic properties.
- The study confirms the genotoxic potential of hydroxyurea.
- These findings highlight the importance of monitoring for genotoxicity in patients treated with hydroxyurea.
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