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Updated: Feb 11, 2026
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The Production of Pluripotent Stem Cells from Mouse Amniotic Fluid Cells Using a Transposon System
Published on: February 28, 2017
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Micronuclei Induction in Amniotic Fluid Cells from Cyclophosphamide Treated Rats
Karen Gomez-Mariscal1,2, Belinda C Gómez-Meda3, Ana L Zamora-Perez4
1Laboratorio de Mutagénesis, Centro de Investigación Biomédica de Occidente, Instituto Mexicano del Seguro Social, Guadalajara, Jalisco, México.
Annals of Clinical and Laboratory Science
|April 22, 2018
Summary
Amniotic fluid cells from pregnant rats can detect genotoxicity in offspring. This method identifies potential birth defects and genetic damage from compound exposure.
Area of Science:
- Toxicology
- Developmental Biology
- Genetics
Background:
- Assessing compound safety during pregnancy is crucial.
- Genotoxicity and teratogenicity testing are vital for prenatal safety.
- Existing methods may require multiple tests or animal sacrifice.
Purpose of the Study:
- To evaluate amniotic fluid cells for genotoxicity assessment in rat offspring.
- To determine if micronuclei formation in amniotic fluid indicates DNA damage.
- To correlate genotoxicity findings with teratogenic effects.
Main Methods:
- Pregnant rats were administered varying doses of cyclophosphamide (CP).
- Amniotic fluid was collected on gestational day 19.
- Micronucleated cell frequency in offspring was analyzed using epifluorescence microscopy.
Main Results:
- Significant increases in micronucleated cells were observed at medium and high CP doses.
- CP administration led to evident birth defects in treated groups.
- Fetal weight and size reduction indicated DNA damage.
Conclusions:
- Amniotic fluid cell micronuclei testing is a viable method for assessing offspring genotoxicity.
- This approach can simultaneously evaluate genotoxic and teratogenic potential.
- It offers an alternative, potentially more efficient, method for prenatal safety testing.
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