Role of LRP10 in Parkinson's disease in a Taiwanese cohort

Introduction: Variants in the low-density lipoprotein receptor-related protein 10 (LRP10), linked to inherited forms of alpha-synucleinopathies, have been reported. Nine variants of LRP10 were identified in the first such report, and subsequent studies have identified possible pathogenic variants in patients with sporadic Parkinson's disease (PD). Few studies have investigated the role of LRP10 in PD. We sought to validate the role of this gene in Taiwanese patients with PD. Methods: In total, 1277 individuals were included in this study (669 had PD and 608 were controls). The entire LRP10 coding exons and exon-intron boundaries were sequenced in 103 probands with early-onset PD or familial PD. We then genotyped the newly identified variants from the 103 patients and previously reported potential pathogenic variants in our cohort. The frequencies of variants were analyzed. Results: Five new and possibly pathogenic variants were identified initially. In total, 14 potentially pathogenic variants (including nine previously reported and five newly identified variants) were analyzed thereafter. We did not find any significant associations between any variant and the risk of PD. However, c.1424+5delG was identified in a patient with sporadic PD who was diagnosed as having PD and dementia and who had prominent psychiatric symptoms. Conclusion: Although we identified a patient with sporadic PD and dementia carrying a c.1424+5delG variant, our data did not provide sufficient evidence to support the role of LRP10 in PD in Taiwanese adults.

Automated summary

Multiple potentially pathogenic variants of the LRP10 gene were identified, but no specific variant was found to be significantly associated with the risk of PD. While one patient with PD and dementia carried a specific variant, the data were not sufficient to support the role of LRP10 in PD in Taiwanese adults.