MDS Abstracts

Abstracts from the International Congress of Parkinson’s and Movement Disorders.

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Articles tagged "Lysosomal disorders"

  • 2026 International Congress

    Genotype Matters: Vagus Nerve Atrophy in GBA-Associated Parkinson’s Disease

    J. Di Giovanni, D. Genovese, G. Granata, G. Di Lazzaro, F. Tomasello, A. Cimmino, M. Patera, A. de Biase, M. Petracca, C. Piano, F. Bove, A. Bentivoglio, P. Calabresi (Rome, Italy)

    Objective: The aim of this study is to compare the right and left vagus nerve (VN) cross-sectional area (CSA) and autonomic symptoms in patients with…
  • 2026 International Congress

    Natural History of Sialidosis Type I: A Prospective Longitudinal Follow-Up Study of Clinical and Electrophysiological Markers

    BY. Gu, YC. Kuo, HW. Hsueh, SP. Fan, CW. Lin, CY. Chien, TK. Lin, MY. Lan, YY. Chang, NC. Lee, YH. Chien, WL. Hwu, CH. Lin (Taipei, Taiwan)

    Objective: We performed a prospective analysis to determine the natural history as well as changes of electrophysiological markers in a cohort of Sialidosis type I.…
  • 2026 International Congress

    GBA1 L444P mutation increases susceptibility to neuroinflammation and promotes pro-inflammatory immune responses

    R. Wang, D. Cossu, Y. Tomizawa, T. Hatano, N. Hattori (Bunkyo, Japan)

    Objective: To determine whether the GBA1 L444P mutation increases susceptibility to neuroinflammation and alters immune responses during CNS inflammatory challenge. Background: Mutations in GBA1, which…
  • 2026 International Congress

    GBA1 deficiency promotes tau and TDP-43 co-pathology

    A. Park, L. Lee, M. Kim, M. Callier, E. Chiu, C. Latimer, M. Davis (Seattle, USA)

    Objective: To determine whether mutations in the gene beta-glucocerebrosidase 1 (GBA1), the strongest genetic risk factor for PD, promote tau and TDP-43 co-pathology alongside Lewy…
  • 2026 International Congress

    Analyzing the classification of 767 GBA1 variants to guide GBA1 PD risk prediction

    T. Böttcher, M. Radefeldt, C. Beetz, S. Schröder, S. Fischer, S. Oppermann, G. Kramp, J. Pinto Basto, P. Bauer (Rostock, Germany)

    Objective: To assess the consistency of GBA1 variant classification across large Parkinson’s disease (PD) and Gaucher disease (GD) cohorts and determine how variant-specific biochemical data…
  • 2026 International Congress

    LRRK2 G2019S Drives Lysosomal Lipid Remodeling and Inflammation in Human iPSC-Derived Microglia

    M. Tziortziou, M. Jakubec, I. Goglia, K. Badanjak, P. Seibler, J. Penny, G. Dittmar, S. Pereira, P. Antony, E. Glaab, A. Grünewald (Esch-sur Alzette, Luxembourg)

    Objective: The aim of this study is to elucidate disease-related metabolic and inflammatory pathways driven by LRRK2 G2019S in human iPSC-derived microglia. Background: Parkinson’s Disease…
  • 2026 International Congress

    NPC2 is an Allele-Specific Modifier of GBA1-Associated Parkinson’s Disease Risk

    J. Kim, R. de Paula, C. Shaw, J. Shulman (Houston, USA)

    Objective: To identify rare variant modifiers of GBA1-associated Parkinson's disease (PD) penetrance among lysosomal storage disorder (LSD) genes. Background: GBA1 is the most common large-effect…
  • 2026 International Congress

    Adult-Onset Incomplete Kufor-Rakeb Syndrome Presenting with Parkinsonism: A Case Report

    L. Malfer, F. Onorati, E. Santoro, R. Savica (Rochester, USA)

    Objective: To report two adult-onset cases of slowly progressive Parkinson’s disease (PD) carrying a heterozygous pathogenic ATP13A2 variant. Background: ATP13A2 (PARK9) encodes a P-type ATPase…
  • 2026 International Congress

    Hyperkinetic Movement Disorder as the First Manifestation of Gaucher Disease Type 3

    B. Kocer, E. Ercan (Ankara, Turkey)

    Objective: Gaucher disease, an autosomal recessive lysosomal storage disorder, is caused by a deficiency of the enzyme glucocerebrosidase. This results in the accumulation of glucosylceramide…
  • 2026 International Congress

    Genome-wide Discovery of GBA1 Modifiers in Parkinsons Disease Carriers across Populations from the Global Parkinsons Genetics Program

    M. Makarious, L. Lange, Z. Fang, A. Singleton, C. Blauwendraat, H. Leonard (Washington, USA)

    Objective: To identify genetic risk modifiers for GBA1 risk variant carriers of European and African ancestry, we used  data from GP2 (http://gp2.org/), the UK Biobank,…
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