Browsing by Author "Lim, Shen-Yang"

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    Author Correction: Elucidating causative gene variants in hereditary Parkinson’s disease in the Global Parkinson’s Genetics Program (GP2)
    (Springer Nature, 2023-09-13) Lange, Lara M.; Avenali, Micol; Ellis, Melina; Illarionova, Anastasia; Keller Sarmiento, Ignacio J.; Tan, Ai-Huey; Madoev, Harutyun; Galandra, Caterina; Junker, Johanna; Roopnarain, Karisha; Solle, Justin; Wegel, Claire; Fang, Zih-Hua; Heutink, Peter; Kumar, Kishore R.; Lim, Shen-Yang; Valente, Enza Maria; Nalls, Mike; Blauwendraat, Cornelis; Singleton, Andrew; Mencacci, Niccolo; Lohmann, Katja; Klein, Christine; Global Parkinson’s Genetic Program (GP2); Medical and Molecular Genetics, School of Medicine
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    Elucidating causative gene variants in hereditary Parkinson's disease in the Global Parkinson's Genetics Program (GP2)
    (Springer Nature, 2023-06-27) Lange, Lara M.; Avenali, Micol; Ellis, Melina; Illarionova, Anastasia; Keller Sarmiento, Ignacio J.; Tan, Ai-Huey; Madoev, Harutyun; Galandra, Caterina; Junker, Johanna; Roopnarain, Karisha; Solle, Justin; Wegel, Claire; Fang, Zih-Hua; Heutink, Peter; Kumar, Kishore R.; Lim, Shen-Yang; Valente, Enza Maria; Nalls, Mike; Blauwendraat, Cornelis; Singleton, Andrew; Mencacci, Niccolo; Lohmann, Katja; Klein, Christine; Global Parkinson’s Genetic Program (GP2); Medical and Molecular Genetics, School of Medicine
    The Monogenic Network of the Global Parkinson’s Genetics Program (GP2) aims to create an efficient infrastructure to accelerate the identification of novel genetic causes of Parkinson’s disease (PD) and to improve our understanding of already identified genetic causes, such as reduced penetrance and variable clinical expressivity of known disease-causing variants. We aim to perform short- and long-read whole-genome sequencing for up to 10,000 patients with parkinsonism. Important features of this project are global involvement and focusing on historically underrepresented populations.
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    Underrepresented Populations in Parkinson's Genetics Research: Current Landscape and Future Directions
    (Wiley, 2022) Schumacher-Schuh, Artur Francisco; Bieger, Andrei; Okunoye, Olaitan; Mok, Kin Ying; Lim, Shen-Yang; Bardien, Soraya; Ahmad-Annuar, Azlina; Santos-Lobato, Bruno Lopes; Zschornack Strelow, Matheus; Salama, Mohamed; Rao, Shilpa C.; Zewde, Yared Zenebe; Dindayal, Saiesha; Azar, Jihan; Kukkle Prashanth, Lingappa; Rajan, Roopa; Noyce, Alastair J.; Okubadejo, Njideka; Rizig, Mie; Lesage, Suzanne; Mata, Ignacio Fernandez; Global Parkinson’s Genetics Program (GP2); Medical and Molecular Genetics, School of Medicine
    Background: Human genetics research lacks diversity; over 80% of genome-wide association studies have been conducted on individuals of European ancestry. In addition to limiting insights regarding disease mechanisms, disproportionate representation can create disparities preventing equitable implementation of personalized medicine. Objective: This systematic review provides an overview of research involving Parkinson's disease (PD) genetics in underrepresented populations (URP) and sets a baseline to measure the future impact of current efforts in those populations. Methods: We searched PubMed and EMBASE until October 2021 using search strings for "PD," "genetics," the main "URP," and and the countries in Latin America, Caribbean, Africa, Asia, and Oceania (excluding Australia and New Zealand). Inclusion criteria were original studies, written in English, reporting genetic results on PD from non-European populations. Two levels of independent reviewers identified and extracted information. Results: We observed imbalances in PD genetic studies among URPs. Asian participants from Greater China were described in the majority of the articles published (57%), but other populations were less well studied; for example, Blacks were represented in just 4.0% of the publications. Also, although idiopathic PD was more studied than monogenic forms of the disease, most studies analyzed a limited number of genetic variants. We identified just nine studies using a genome-wide approach published up to 2021, including URPs. Conclusion: This review provides insight into the significant lack of population diversity in PD research highlighting the immediate need for better representation. The Global Parkinson's Genetics Program (GP2) and similar initiatives aim to impact research in URPs, and the early metrics presented here can be used to measure progress in the field of PD genetics in the future.