Drug response is related to NR3C1 and FAAH polymorphism in Chinese pediatric epilepsy patients
Hongli Wang1, Chu Li2, Qian Li3
1Department of Paediatric, Affiliated Hospital of Chengdu University, Chengdu, 610081, China.
Insights
Genetic variations in NR3C1 may impact how children with epilepsy respond to anti-seizure medications (ASMs). This study found a specific NR3C1 polymorphism linked to better drug response in pediatric epilepsy patients.
Area of Science:
- Genetics and Neurology
- Pharmacogenomics
Background:
- Childhood epilepsy is a prevalent neurological disorder characterized by recurrent seizures, significantly impacting child development.
- The etiology of pediatric epilepsy is complex, necessitating research into factors influencing treatment outcomes.
Purpose of the Study:
- To investigate the association between specific genetic polymorphisms (NR3C1 rs41423247 and FAAH rs324420) and the response to anti-seizure medications (ASMs) in children with epilepsy.
- To explore the relationship between these polymorphisms and medication-induced liver function disturbances.
Main Methods:
- Genotyping of NR3C1 rs41423247 and FAAH rs324420 using polymerase chain reaction in 105 pediatric epilepsy patients.
- Classification of patients into good and poor response groups based on ASM treatment efficacy and liver function tests (LFTs).
- Statistical analysis including Hardy-Weinberg equilibrium and logistic regression to determine correlations.
Main Results:
- The NR3C1 rs41423247 polymorphism, specifically the CG genotype and C allele, was significantly associated with a good response to ASMs in pediatric epilepsy.
- No significant association was found between the FAAH rs324420 polymorphism and ASM response.
- Neither NR3C1 nor FAAH polymorphisms were linked to liver function disturbances in patients receiving epilepsy medication.
Conclusions:
- The NR3C1 rs41423247 polymorphism may play a role in predicting drug response in children with epilepsy.
- Further research is warranted to elucidate the precise mechanisms by which NR3C1 influences ASM efficacy in pediatric epilepsy.
Background:
Childhood epilepsy is a common neurological syndrome with complex etiology and recurrent seizures. It seriously affects the growth and development of child patients.
Methods:
NR3C1 rs41423247 and FAAH rs324420 polymorphisms were detected by the polymerase chain reaction in 105 pediatric epilepsy patients. Patients were divided into the good response group and the poor response group after anti-seizure medications (ASMs) treatment. According to the results of the liver function test (LFT), patients were divided into the no LFT disturbance group and the LFT disturbance group. Hardy-Weinberg balance was applied to analyze the population representation. The correlations were calculated by logistic regression analysis.
Results:
NR3C1 rs41423247 genotype and allele frequencies differed significantly between good response and poor response groups, while FAAH rs324420 did not. The CG genotype and C allele of NR3C1 rs41423247 were associated with good drug response, and the association was also detected in the dominant model. In addition, polymorphisms in NR3C1 and FAAH were not associated with liver damage induced by epilepsy medication.
Conclusion:
The polymorphism of NR3C1 rs41423247 might influence the drug response of epilepsy children.
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