MDS Abstracts

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

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Articles tagged "Leucine-rich repeat kinase 2(LRRK2)"

  • 2024 International Congress

    LRRK2-Associated Parkinsonism With and Without In Vivo Evidence of Pathologic Alpha-Synuclein: Clinical and Biomarker Characterization

    L. Chahine, D. Lafontant, C. Choi, H. Iwaki, M. Brumm, R. Alcalay, K. Nudelman, A. Dagher, K. Merchant, A. Vo, Q. Tao, C. Venuto, K. Kieburtz, K. Poston, S. Bressman, P. Gonzalez Latapi, B. Avants, C. Coffey, D. Jennings, E. Tolosa, A. Siderowf, K. Marek, T. Simuni (Pittsburgh, USA)

    Objective: To compare clinical and biomarker features and rate of progression among LRRK2-associated parkinsonism cases with and without in vivo evidence of pathologic alpha-synuclein (asyn)…
  • 2024 International Congress

    LRRK2 I1371V Mutation: Unraveling Pathogenic Mechanisms in Dopaminergic Neurons via Membrane Fluidity & Calcium Dysregulation using PD Patient iPSCs

    I. Datta, S. Jagtap, V. Holla, N. Kamble, R. Yadav, P. Pal (Bengaluru, India)

    Objective: To estimate pathogenicity of LRRK2 I1371V mutation in PD patient iPSC-derived DA-neurons & assess underlying disease mechanisms involving membrane fluidity, Ca2+ dysregulation, & Rab8A/Rab10…
  • 2024 International Congress

    Clinical and Brain Morphological Characteristics of Early LRRK2-associated Parkinson Disease

    Q. Tao, S. Rahayel, C. Tremblay, A. Vo, A. Dagher (Montreal, Canada)

    Objective: To investigate the impact of LRRK2 mutation in Parkinson disease (PD) and to explore the preclinical markers of LRRK2 mutation carriers who will develop…
  • 2024 International Congress

    LRRK2 in Parkinson’s Disease: A per-domain rare-variant burden study

    S. Parlar, K. Senkevich, E. Yu, J. Ruskey, J. Ahmad, F. Asayesh, D. Spiegelman, C. Waters, O. Monchi, Y. Dauvilliers, N. Dupré, L. Greenbaum, S. Hassin-Baer, I. Miliukhina, A. Timofeeva, A. Emelyanov, S. Pchelina, R. Alcalay, E. Fon, Z. Gan-Or (Montreal, Canada)

    Objective: To study rare variant burden in different LRRK2 domains to investigate domain-based associations with Parkinson’s Disease (PD) and to identify functional variants in LRRK2.…
  • 2023 International Congress

    LRRK2 G2019S promotes astrocytic inflammatory response induced by oligomeric α-synuclein through NF-κB pathway

    JY. Liu, KJ. He, JB. Zhang, F. Wang, CF. Liu (Suzhou, China)

    Objective: Analyzing the mechanism of inflammatory response induced by oligomeric α-synuclein (O-αS) in LRRK2 G2019S mutation astrocytes to provide new targets and ideas for the…
  • 2023 International Congress

    Development of potent, orally bioavailable, and highly selective LRRK2 PROTAC® degrader molecules as potential disease modifying therapeutics for Parkinson’s disease

    K. Kelly, J. Meredith, L. Kimmel, S. Sparks, A. Desantis, D. Bryce, R. Wilson, J. Corradi, S. Keenan, G. Cadelina, J. Pizzano, A. Cacace (New Haven, USA)

    Objective: Report on the pharmacological characteristics of small molecule PROteolysis TArgeting Chimera (PROTAC) molecules designed to induce degradation of leucine rich repeat kinase 2 (LRRK2)…
  • 2023 International Congress

    monogenic parkinson´s disease in a chilean cohort

    P. Saffie-Awad, D. Texeira, A. Schumacher-Schuh, T. Leal, M. Inca-Martinez, I. Mata, P. Chana-Cuevas (Santiago, Chile)

    Objective: To describe the minimum prevalence and distribution of monogenic forms of PD in a chilean cohort Background: About 3–5% of Parkinson’s disease (PD) patients…
  • 2023 International Congress

    Caveats regarding a family with PD and LRRK2 mutations

    P. Ferreira, A. Ferreira, D. Fitas, S. Moreira, M. Calejo (Senhora da Hora, Portugal)

    Objective: To describe and discuss genetic considerations regarding a kindred with PD cases with similar clinical characteristics, some with identified mutations in the LRRK2 gene…
  • 2023 International Congress

    Caffeine Intake Interacts with Gene Variants in Parkinson’s disease

    E. Tan, Y. Ong, X. Deng, H. Li, D. Heng, K. Narasimhalu, L. Chan, P. Kumar, W. Au, P. Ratnagopal, L. Tan (Singapore, Singapore)

    Objective: We investigate interactions of caffeine intake with PD risk variants and determine PD risk estimates in caffeine-drinkers carrying these variants. Background: Caffeine intake reduces…
  • 2023 International Congress

    Assessment of variation in α-synuclein seed amplification assay results in the PPMI cohort: Association with hyposmia

    A. Siderowf, L. Concha-Marambio, D. Lafontant, R. Alcalay, L. Chahine, T. Faroud, D. Galasko, K. Kieburt, K. Merchant, B. Mollenhauer, K. Poston, J. Seibyl, C. Tanner, T. Simuni, D. Weintraub, A. Videnovic, S. Choi, C. Caspell-Garcia, C. Coffey, M. Frasier, L. Oliveira, S. Hutten, T. Sherer, C. Soto, K. Marek (Philadelphia, USA)

    Objective: To understand molecular heterogeneity among Parkinson’s disease (PD) patients, and controls based on α-synuclein seed amplification assay (SAA) results. Background: α-synuclein seed amplification assay…
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