在暴露于vigabatrin的个体中测试ppRNFL稀释的药物基因学预测因子
Isabelle Boothman1,2,3, Lisa M Clayton4,5, Mark McCormack1
1School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland.
Frontiers in neuroscience
|October 4, 2023
概括
这项研究没有发现与vigabatrin相关的视野损失的常见遗传预测因子,这是抗发作药物的副作用. 为了了解这种视力风险,可能需要对罕见遗传变异进行进一步的研究.
科学领域:
- 眼科医生 眼科 眼科
- 药物基因组学 药物基因组学
- 神经科学是一个神经科学.
背景情况:
- 维加巴 (Vigabatrin,VGB) 是一种有效的抗发作药物,特别适用于婴儿.
- VGB的使用受到未知机制的维加巴特林相关视野损失 (VAVFL) 的限制.
- 视网膜神经纤维层 (RNFL) 稀薄与VAVFL相关,VGB暴露时间,剂量和男性性别等因素与稀薄有关.
研究的目的:
- 为了测试共同的遗传变异预测暴露于VGB的个体中RNFL稀释的假设.
- 确定VAVFL的潜在药物基因学预测因子,以实现更安全的VGB处方.
主要方法:
- 量化全基因组关联研究 (GWAS) 在71名暴露于VGB的个体的光学一致性断层扫描 (OCT) 测量上进行.
- 基因测试 (VEGAS2) 和多基因风险评分 (PRS) 分析使用GWAS总结统计数据进行.
- 对视网膜厚度的多基因负担进行了评估,以确定对RNFL稀释的倾向.
主要成果:
- 在对多次测试进行校正后,GWAS,基因基因和PRS分析没有发现任何与RNFL稀释有意义的关联.
- 没有发现VGB诱导的RNFL稀释的常见遗传预测因子.
结论:
- 对VGB诱导的RNFL稀释 (VAVFL的标志物) 的大效应常见遗传预测因子不太可能.
- 研究的局限性包括小样本规模和患者招募方面的挑战,因为VGB的使用有限.
- 罕见的遗传变异可能在VAVFL中发挥作用,需要进一步调查.
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