SCIENTIFIC LITERATURE · MED

Loss-of-function variants in ITSN1 confer high risk of Parkinson's disease.

Skuladottir AT, Tragante V, Sveinbjornsson G, Helgason H, Sturluson A, Bjornsdottir A, Jonsson P, Palmadottir V, Sveinsson OA, Jensson BO, Gudjonsson SA, Ivarsdottir EV, Gisladottir RS, Gunnarsson AF, Walters GB, Jonsdottir GA, Thorgeirsson TE, Bjornsdottir G, Holm H, Gudbjartsson DF, Sulem P, Stefansson H, Stefansson K.

NPJ Parkinsons Dis · 2024-08-15

DOI: 10.1038/s41531-024-00752-9PMID: 39147844

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Parkinson's disease (PD) is a debilitating neurodegenerative disorder and its rising global incidence highlights the need for the identification of modifiable risk factors. In a gene-based burden test of rare variants (8647 PD cases and 777,693 controls) we discovered a novel association between loss-of-function variants in ITSN1 and PD. This association was further supported with burden data from the Neurodegenerative Disease Knowledge Portal and the Accelerating Medicines Partnership Parkinson's Disease Knowledge Platform. Our findings show that Rho GTPases and disruptions in synaptic vesicle transport may be involved in the pathogenesis of PD, pointing to the possibility of novel therapeutic approaches.

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