Genome-wide Association Study points to novel locus for Gilles de la Tourette Syndrome

Fotis Tsetsos, Apostolia Topaloudi, Pritesh Jain, Zhiyu Yang, Dongmei Yu, Petros Kolovos, Zeynep Tumer, Renata Rizzo, Andreas Hartmann, Christel Depienne, Yulia Worbe, Kirsten R Müller-Vahl, Danielle C Cath, Dorret I Boomsma, Tomasz Wolanczyk, Cezary Zekanowski, Csaba Barta, Zsofia Nemoda, Zsanett Tarnok, Shanmukha S PadmanabhuniJoseph D Buxbaum, Dorothy Grice, Jeffrey Glennon, Hreinn Stefansson, Bastian Hengerer, Evangelia Yannaki, John A Stamatoyannopoulos, Noa Benaroya-Milshtein, Francesco Cardona, Tammy Hedderly, Isobel Heyman, Chaim Huyser, Pablo Mir, Astrid Morer, Norbert Mueller, Alexander Munchau, Kerstin J Plessen, Cesare Porcelli, Veit Roessner, Susanne Walitza, Anette Schrag, Davide Martino, Jay A Tischfield, Gary A Heiman, A Jeremy Willsey, Andrea Dietrich, Lea K Davis, James J Crowley, Carol A Mathews, Jeremiah M Scharf, PGC TS Working Group


BACKGROUND: Tourette Syndrome (TS) is a childhood-onset neurodevelopmental disorder of complex genetic architecture, characterized by multiple motor tics and at least one vocal tic persisting for more than one year.

METHODS: We performed a genome-wide meta-analysis integrating a novel TS cohort with previously published data, resulting in a sample size of 6,133 TS individuals and 13,565 ancestry-matched controls.

RESULTS: We identified a genome-wide significant locus on chromosome 5q15. Integration of eQTL, Hi-C and GWAS data implicated the NR2F1 gene and associated lncRNAs within the 5q15 locus. Heritability partitioning identified statistically significant enrichment in brain tissue histone marks, while polygenic risk scoring on brain volume data identified statistically significant associations with right and left thalamus volumes and right putamen volume.

CONCLUSIONS: Our work presents novel insights in the neurobiology of TS opening up new directions for future studies.

TidsskriftBiological Psychiatry
StatusE-pub ahead of print - 2 feb. 2023


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