Overview
Glucocerebrosidase (GBA1) variants are the most common known genetic risk factor for Parkinson's disease (PD) and are found globally 1. Counseling guidelines for individuals with GBA1 variants are still developing 1.Diagnosis
GBA1 genotyping is used to identify variants 1.
Genetic counseling for GBA1 variants focuses on communicating Parkinson's disease risk 1.Management
No specific management strategies for GBA1 variant enzyme deficiency anemia are mentioned in the provided abstracts. The focus is on genetic counseling related to Parkinson's disease risk 1.Special Populations
No specific information on special populations is provided in the abstracts.Key Recommendations
GBA1 variants are the most common genetic risk factor for Parkinson's disease 1. (Evidence: Moderate)
Access to GBA1 genotyping varies globally and regionally 1. (Evidence: Moderate)
Guidelines for GBA1 variant counseling are evolving, with a focus on communicating Parkinson's disease risk 1. (Evidence: Moderate)References
1 Vieira SRL, Mezabrovschi R, Toffoli M, Del Pozo SL, Menozzi E, Mullin S et al.. Consensus Guidance for Genetic Counseling in GBA1 Variants: A Focus on Parkinson's Disease. Movement disorders : official journal of the Movement Disorder Society 2024. link