Effects of lamotrigine and topiramate on brain maturation and cognitive functions in offspring of pregnant rats - Preliminary study
Advances in Clinical and Experimental Medicine, ISSN: 2451-2680, Vol: 23, Issue: 5, Page: 691-698
2014
- 8Citations
- 9Captures
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Metrics Details
- Citations8
- Citation Indexes7
- CrossRef5
- Policy Citations1
- Policy Citation1
- Captures9
- Readers9
Conference Paper Description
Background. Antiepileptic drugs (AED) which are used to treat seizures in pregnant women, infants, and young children may cause cognitive impairment or other uncertain injury. However, the precise mechanisms responsible for the negative effects of new AEDs like lamotrigine (LTG) and topiramate (TPM) in the developing brain are still unclear. Objectives. To investigate the GFAP, NCAM and S100B levels in the whole brain of newborn rats on postnatal 1 day and in the hippocampus of adult rats to find out the effect of TPM and LTG on cognitive impairment and brain maturation. Material and Methods. Twenty eight pregnant rats were randomly divided into 7 groups with 4 animals in each group. The first group, receiving no drugs, was assigned as the control group. The study groups received intra-peritoneal TPM or LTG injections in each trimester. Western blot analysis of the GFAP, NCAM and S100β was performed in the offspring. Behavioral tests were performed at postnatal day 75. Results. The rats in the TPM-I and TPM-III groups had a significant impairment in escape latency on the 5 day as compared to the control rats in a Morris water maze test. In addition, in the expression of astrocyte derived markers, GFAP was upregulated, whereas S100β and NCAM were down-regulated in the whole brain on postnatal day 1, in offspring exposed to LTG and TPM in utero. Conclusions. The detrimental effects of TPM and LTG appear to be confined particularly to the early stages of brain development. And TPM seems to have a partial role in the cognitive impairment.
Bibliographic Details
Wroclaw Medical University
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