Related Experiment Video
Updated: Jul 9, 2026
Moderate Prenatal Alcohol Exposure and Quantification of Social Behavior in Adult Rats
Published on: December 14, 2014
Modeling the effects of prenatal exposure to aspirin on the postnatal development of rat brain
Ali Elkarmi1, Mahmoud Abu-Samak, Khalid Al-Qaisi
1Department of Biological Sciences, Faculty of Science, Hashemite University Zarqa, Jordan. karmi@hu.edu.jo
Insights
Prenatal aspirin exposure negatively impacts rat pup brain development, reducing overall brain weight and dimensions of the cerebrum and cerebellum. Further research is needed to understand the underlying mechanisms of these developmental effects.
Area of Science:
- Neuroscience
- Developmental Biology
- Pharmacology
Background:
- Prenatal exposure to medications can influence offspring development.
- Aspirin's effects on fetal development require further investigation.
Purpose of the Study:
- To evaluate the impact of prenatal aspirin exposure on postnatal brain development in rats.
- To assess dose-dependent effects of aspirin on brain growth parameters.
Main Methods:
- Three growth models were applied to analyze brain development in rat pups.
- Pregnant rats received varying doses of aspirin (12.5, 25, 37.5 mg/kg) or distilled water.
- Brain weight, cerebrum, and cerebellum dimensions were measured weekly for five weeks.
Main Results:
- Growth models accurately predicted brain part development.
- Aspirin at 37.5 mg/kg significantly reduced total brain weight, cerebrum dimensions, and cerebellum dimensions.
- Lower aspirin doses did not show significant effects on the measured parameters.
Conclusions:
- High-dose prenatal aspirin exposure adversely affects postnatal brain development in rats.
- The findings suggest a potential link between aspirin, prostaglandin inhibition, and the hypothalamus-pituitary axis.
- Further studies are warranted to elucidate the precise mechanisms of aspirin's teratogenic effects.
Abstract:
Three growth models were used to examine the effects of prenatal exposure to aspirin on the postnatal development of brain parts. A total of 60 pregnant rats which were divided into three experimental groups and a control group were exposed to aspirin doses of 12.5, 25, 37.5 mg/kg, and distilled water, respectively. The brain parts of 200 rat pups starting from the first week after birth until the fifth week were weighted and the length and width of the cerebrum and cerebellum were measured to determine the parameters of the growth models. The results indicated that the three models successfully predicted the growth of the different brain parts and that aspirin decreased the total brain weight, cerebrum length and width, and decreased the cerebellum length and width at aspirin dose of 37.5 mg/kg. Further analysis is needed to investigate if aspirin effects were carried out through its role in inhibiting prostaglandin production and consequently affecting the activity of the hypothalamus-pituitary axis.
More Related Videos
07:36Modeling Encephalopathy of Prematurity Using Prenatal Hypoxia-ischemia with Intra-amniotic Lipopolysaccharide in Rats
Published on: November 20, 2015
19:57The Use of Trace Eyeblink Classical Conditioning to Assess Hippocampal Dysfunction in a Rat Model of Fetal Alcohol Spectrum Disorders
Published on: August 5, 2017