GENETICS OF TARDIVE DYSKINESIA
- Authors
- Lee, Heon-Jeong; Kang, Seung-Gul
- Issue Date
- 2011
- Publisher
- ELSEVIER ACADEMIC PRESS INC
- Citation
- PATHOPHYSIOLOGY, PHARMACOLOGY, AND BIOCHEMISTRY OF DYSKINESIA, v.98, pp.231 - 264
- Indexed
- SCIE
SCOPUS
- Journal Title
- PATHOPHYSIOLOGY, PHARMACOLOGY, AND BIOCHEMISTRY OF DYSKINESIA
- Volume
- 98
- Start Page
- 231
- End Page
- 264
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/115066
- DOI
- 10.1016/B978-0-12-381328-2.00010-9
- ISSN
- 0074-7742
- Abstract
- Tardive dyskinesia (TD) is one of the most serious adverse side effects of antipsychotic drugs and is an important topic of pharmacogenetic studies. Since there is a genetic susceptibility for developing this adverse reaction, and given that it is hard to predict its development prior to or during the early period of medication, the genetic study of TD is a promising research topic that has a direct clinical application. Moreover, such studies would improve our understanding of the genetic mechanism(s) underlying abnormal dyskinetic movement. A substantial number of case-control association studies of TD have been performed, with numbers of studies focusing on the genes involved in antipsychotic drug metabolism, such as those for cytochrome P450 (CYP) and oxidative stress related genes as well as various neurotransmitter related genes. These studies have produced relatively consistent though controversial findings for certain polymorphisms such as CYP2D6*10, DRD2 Taq1A, DRD3 Ser9Gly, HTR24 T102C, and MnSOD Ala9Val. Moreover, the application of the genome-wide association study (GWAS) to the susceptibility of TD has revealed certain associated genes that previously were never considered to be associated with TD, such as the rs7669317 on 4q24, GLI2 gene, GABA pathway genes, and HSPG2 gene. Although a substantial number of genetic studies have investigated TD, many of the positive findings have not been replicated or are inconsistent, which could be due to differences in study design, sample size, and/or subject ethnicity. We expect that more refined research will be performed in the future to resolve these issues, which will then enable the genetic prediction of TD and clinical application thereof.
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