Lithium response in bipolar disorder: Genetics, genomics, and beyond
- PMID: 35817312
- DOI: 10.1016/j.neulet.2022.136786
Lithium response in bipolar disorder: Genetics, genomics, and beyond
Abstract
Lithium is an effective mood stabilizer in bipolar disorder (BD). There is, however, high variability in treatment response to lithium and only 20-30% of individuals with BD are excellent responders. This subgroup has been shown to have specific phenotypic characteristics, and family studies have implicated genetics as an important factor. However, candidate gene studies did not find evidence for major effect genes. Genome-wide association studies (GWAS) have emphasized that lithium response is a polygenic trait. GWAS based on larger sample sizes and non-European ancestries are likely to shed light on the genomic architecture of this trait. Furthermore, induced pluripotent stem cells, transcriptomics, epigenetics, the integration of multiple omics data, and their combination with advanced machine learning techniques hold promise for the understanding of the complex biological underpinnings of lithium treatment response.
Keywords: Genome-wide association studies; Mood-stabilizer; Polygenic risk score; iPSC.
Copyright © 2022 Elsevier B.V. All rights reserved.
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