AUTHOR=Shalash Ali , El-Shafie Salma , George Peter , Roushdy Tamer , Fathy Mai , Yousef Mohamed H. , El-Belkimy Mahmoud , Abdulghani Mohamed Ossama , Salama Mohamed TITLE=Case Report: Decoding genetic risks of vascular parkinsonism: a case series JOURNAL=Frontiers in Genetics VOLUME=Volume 16 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/genetics/articles/10.3389/fgene.2025.1579454 DOI=10.3389/fgene.2025.1579454 ISSN=1664-8021 ABSTRACT=BackgroundVascular parkinsonism (VaP) is a subtype of parkinsonism which needs better characterization of its risks and determinants.ObjectiveThe aim of this report is to present an understanding of genetic risks of vascular parkinsonism.MethodsFive participants diagnosed with VaP were recruited and Whole Exome Sequencing (WES) was performed to analyze deleterious variants in relevant genes associated with vascular and parkinsonian diseases.ResultsWe identified several candidate risk variants for VaP in our patients, particularly in LRRK2, PLA2G6, TGM6, BSN, UBR4, CD36 and NOTCH3, that are different from the classical Parkinson’s disease -associated variants.ConclusionIn this case series we highlighted the complexity of genetic contributions to VaP through predicted deleterious variants in genes associated with parkinsonism, cerebrovascular disease as well as collagen-related genes.