4.6 Article

Identification of genetic risk loci for depression and migraine comorbidity in Han Chinese residing in Taiwan

Journal

FRONTIERS IN PSYCHIATRY
Volume 13, Issue -, Pages -

Publisher

FRONTIERS MEDIA SA
DOI: 10.3389/fpsyt.2022.1067503

Keywords

migraine; depression; single nucleotide polymorphism (SNP); genetic variant; Han Chinese; susceptibility loci

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This study investigates the genetic association between depression and migraine in the Han Chinese population in Taiwan. The results suggest that variants in the CDH4 intron region, NTRK3-AS1 downstream region, and between LINC01918 and GPR45 are associated with depression. Additionally, 20 susceptibility loci are found within different migraine subtypes. These findings provide genetic candidates for further research on the comorbidity of depression and migraine.
IntroductionThe genetic association between depression and migraine has not been well investigated in Asian populations. Furthermore, the genetic basis of depression and comorbid migraine subtypes remains nebulous. Hence, in the current study we investigate the susceptibility loci associated with depression and migraine comorbidity in the Han Chinese population in Taiwan. MethodsWe perform a genome-wide association study involving 966 migraine patients, with or without comorbid depression. Genotyping is performed using participant genomic DNA. Association analyses are performed for the entire migraine cohort (subgroups: episodic migraine, chronic migraine, and migraine with or without aura). ResultsResults show that the single nucleotide polymorphism variants of the CDH4 intron region (rs78063755), NTRK3-AS1 downstream region (rs57729223), and between LINC01918 and GPR45 (rs2679891) are suggestively associated with depression. Twenty additional susceptibility loci occur within the subgroups. A multivariate association study demonstrated that a variant in the intron region of CDH4 rs78063755 was associated with Beck Depression Inventory and Migraine Disability Assessment scores. DiscussionThe findings of this study identify several genetic loci suggestively associated with depression among migraine patients in the Han Chinese population. Moreover, a potential genetic basis has been characterized for depression and migraine comorbidity, thus providing genetic candidates for further investigation.

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