Emma N Somerville, Alva James, Christian Beatz, Robert Schwieger, Gal Barrel, Krishna K Kandaswamy, Marius I Iurascu, Peter Bauer, Michael Ta, Hirotaka Iwaki, Konstantin Senkevich, Eric Yu, Roy N Alcalay, Ziv Gan-Or
{"title":"血浆葡萄糖甘油酰胺水平受 ATP10D 调节，与帕金森病发病机制无关。","authors":"Emma N Somerville, Alva James, Christian Beatz, Robert Schwieger, Gal Barrel, Krishna K Kandaswamy, Marius I Iurascu, Peter Bauer, Michael Ta, Hirotaka Iwaki, Konstantin Senkevich, Eric Yu, Roy N Alcalay, Ziv Gan-Or","doi":"10.1101/2024.09.13.24313644","DOIUrl":null,"url":null,"abstract":"GBA1 variants and decreased glucocerebrosidase (GCase) activity are implicated in Parkinson's disease (PD). We investigated the hypothesis that increased levels of glucosylceramide (GlcCer), one of GCase main substrates, are involved in PD pathogenesis. Using multiple genetic methods, we show that ATP10D, not GBA1, is the main regulator of plasma GlcCer levels, yet it is not involved in PD pathogenesis. Plasma GlcCer levels were associated with PD, but not in a causative manner, and are not predictive of disease status. These results argue against targeting GlcCer in GBA1-PD and underscore the need to explore alternative mechanisms and biomarkers for PD.","PeriodicalId":501375,"journal":{"name":"medRxiv - Genetic and Genomic Medicine","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Plasma glucosylceramide levels are regulated by ATP10D and are not involved in Parkinson's disease pathogenesis.\",\"authors\":\"Emma N Somerville, Alva James, Christian Beatz, Robert Schwieger, Gal Barrel, Krishna K Kandaswamy, Marius I Iurascu, Peter Bauer, Michael Ta, Hirotaka Iwaki, Konstantin Senkevich, Eric Yu, Roy N Alcalay, Ziv Gan-Or\",\"doi\":\"10.1101/2024.09.13.24313644\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"GBA1 variants and decreased glucocerebrosidase (GCase) activity are implicated in Parkinson's disease (PD). We investigated the hypothesis that increased levels of glucosylceramide (GlcCer), one of GCase main substrates, are involved in PD pathogenesis. Using multiple genetic methods, we show that ATP10D, not GBA1, is the main regulator of plasma GlcCer levels, yet it is not involved in PD pathogenesis. Plasma GlcCer levels were associated with PD, but not in a causative manner, and are not predictive of disease status. These results argue against targeting GlcCer in GBA1-PD and underscore the need to explore alternative mechanisms and biomarkers for PD.\",\"PeriodicalId\":501375,\"journal\":{\"name\":\"medRxiv - Genetic and Genomic Medicine\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-09-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"medRxiv - Genetic and Genomic Medicine\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1101/2024.09.13.24313644\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"medRxiv - Genetic and Genomic Medicine","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1101/2024.09.13.24313644","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Plasma glucosylceramide levels are regulated by ATP10D and are not involved in Parkinson's disease pathogenesis.
GBA1 variants and decreased glucocerebrosidase (GCase) activity are implicated in Parkinson's disease (PD). We investigated the hypothesis that increased levels of glucosylceramide (GlcCer), one of GCase main substrates, are involved in PD pathogenesis. Using multiple genetic methods, we show that ATP10D, not GBA1, is the main regulator of plasma GlcCer levels, yet it is not involved in PD pathogenesis. Plasma GlcCer levels were associated with PD, but not in a causative manner, and are not predictive of disease status. These results argue against targeting GlcCer in GBA1-PD and underscore the need to explore alternative mechanisms and biomarkers for PD.
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