Author

Samson G. Khachatryan

ORCID 0000-0002-3098-2135Unclaimed ORCID profile · follow to get notified of new preprints

Biology Disciplines

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Signature Assays, Organisms & Methods

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Assay:GWAS summary statistics· 4 Organism:human· 4 Approach:statistical model· 4 Research Focus:GWAS / association mapping· 3 Research Focus:benchmarking· 1

Frequent Co-Authors

Alexander A. ZimprichiD· 4 shared Andrew SingletoniD· 4 shared Carlos Roberto de Mello RiederiD· 4 shared Claire E. ShepherdiD· 4 shared Edward A. FoniD· 4 shared Emilia Mabel GattoiD· 4 shared Hampton L. LeonardiD· 4 shared Julie Hunter· 4 shared

Activity by Year

2023-2025 · peak 2/yr

Co-Author Collaboration Network

10 top collaborators · 45 mutual co-author links

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4 shared papersGenetic & Genomic Medicine

Alexander A. ZimprichORCID

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Author profile →

4 papers

Recent·Most cited

TMEM175, SCARB2 and CTSB associations with Parkinson's disease risk across populations.

Wenhua Sun, Claudia Schulte, Thomas Gasser, Manuela M. X. Tan, the Global Parkinson’s Genetic Program (GP2), Lasse Pihlstrøm, Pedro Chaná, Yeajin Song, Sara Bandrés‐Ciga, Cornelis Blauwendraat, Andrew Singleton, Mike A. Nalls, Hampton L. Leonard, Mie Rizig, Hirotaka Iwaki, , Rejko Krüger

This study identifies genetic associations between lysosomal genes and Parkinson's disease risk across diverse populations using GWAS and whole genome sequencing data.

npj Parkinson s Disease · Dec 2, 2025Peer-reviewedGenetic & Genomic Medicine

Insights into Ancestral Diversity in Parkinsons Disease Risk: A Comparative Assessment of Polygenic Risk Scores

Paula Saffie Awad, Spencer M. Grant, Mary B. Makarious, Inas Elsayed, Arinola O. Sanyaolu, Peter Wild Crea, Artur Francisco Schumacher Schuh, Kristin S. Levine, Dan Vitale, Mathew J. Koretsky, Jeffrey Kim, Thiago Peixoto Leal, María Teresa Periñán, Sumit Dey, Alastair John Noyce, , Edward A. Fon

This study compares polygenic risk scores for Parkinson's disease across seven ancestries, finding varying predictive accuracy and highlighting the need for ancestry-specific models.

npj Parkinson s Disease · Jul 3, 2025Peer-reviewedGenetic & Genomic Medicine

Multi-ancestry genome-wide meta-analysis in Parkinson's disease

Jonggeol Jeffrey Kim, Dan Vitale, Diego Véliz Otani, Michelle Mulan Lian, Karl Heilbron, Stella W. Aslibekyan, Adam Auton, Elizabeth Babalola, Robert K. Bell, Jessica Bielenberg, Katarzyna Bryc, Emily Bullis, Paul Cannon, Daniella Coker, Gabriel Cuéllar-Partida, , Piu Chan

This paper conducts a multi-ancestry genome-wide meta-analysis of Parkinson's disease, identifying 78 independent loci and 23 genes associated with PD risk.

Nature Genetics · Dec 28, 2023Peer-reviewedGenetic & Genomic Medicine

Global Parkinson's Genetics Program (GP2) Complex Network Protocol: Defining the causes of sporadic Parkinson's disease

Clodagh Towns, Madeleine Richer, Simona Jasaityte, Eleanor J. Stafford, Julie Joubert, Tarek Antar, Alejandro Martínez-Carrasco, Mary B. Makarious, Bradford H. Casey, Dan Vitale, Kristin S. Levine, Hampton L. Leonard, Caroline B. Pantazis, Laurel A. Screven, Dena G. Hernandez, , Andrea Quattrone

The paper outlines the protocol for integrating genetic and clinical data from a global cohort of over 150,000 participants to study the genetic causes of sporadic Parkinson's disease.

npj Parkinson s Disease · Sep 12, 2023Peer-reviewedGenetic & Genomic Medicine