MDS Abstracts

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

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Articles tagged "Alpha-synuclein"

  • 2024 International Congress

    Seed Amplification Assay for the differentiation of αSyn seed subtypes

    C. Farris, S. Weber, Y. Ma, H. Nguyen, S. Rosete-Gonzalez, A. Siderowf, U. Kang, B. Mollenhauer, L. Concha-Marambio (san diego, USA)

    Objective: To identify soluble αSyn-seed types present in brain homogenate (BH) and CSF using αSyn seed amplification assay (synSAA) Background: Lewy bodies and neurites are…
  • 2024 International Congress

    Real-world use of biomarkers for Parkinsonism: Should I do this (pSyn) or DaT?

    A. Martinez Nunez, N. Walker-Pizarro, A. Wagle Shukla, A. Ramirez-Zamora, N. Mcfarland (Gainesvile, USA)

    Objective: To examine the utility of commercially available skin phosphorylated alpha-synuclein deposition test (pSyn) in patients with clinically ambiguous parkinsonism and its concordance with dopamine…
  • 2024 International Congress

    The Protective Role of Lysosomal Damage Response in Preventing α-Synuclein Propagation

    K. Kakuda, K. Ikenaka, C. Aguirre, C. Choong, Y. Kimura, J. Doi, H. Mochizuki (Suita, Japan)

    Objective: The aim of this study was to investigate the mechanism by which the lysosomal damage response (LDR) defends against the escape of α-synuclein (αSyn)…
  • 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

    Alpha-synuclein aggregate pathology in the cranial sensorimotor system in a mouse model of Parkinson’s disease.

    A. Schaser (West Lafayette, USA)

    Objective: The goal of this study was to examine the effect of a potential underlying mechanism responsible for the complex voice deficits that exist in…
  • 2024 International Congress

    Combining alpha-synuclein PET and seeded amplification assays to improve the diagnostic accuracy of Multiple System Atrophy of the Parkinsonian subtype (MSA-P)

    D. Rodriguez Gomez, B. Changizi, C. Sandiego, A. Green, A. Kuzkina, J. Alexander, O. Laun, K. Jones, D. Ceku, J. Meehan, S. Perumalla, S. Rai, A. Knorr, V. Hliva, M. Kosco-Vilbois, A. Pfeifer, N. Mendonca, D. Russell, F. Capotosti, V. Khurana (Boston, USA)

    Objective: To determine whether the combination of spatial (PET [18F]ACI-12589) and conformational (skin seed amplification assay; SAA) a-syn data aids the early differential diagnosis of…
  • 2024 International Congress

    Cognitive Performance in Early Neuronal alpha-Synuclein Disease

    D. Weintraub, M. Brumm, A. Nair, M. York, R. Dobkin, K. Marek, C. Tanner, T. Simuni, A. Siderowf, D. Galasko, L. Chahine, C. Coffey, K. Merchant, K. Poston, T. Foroud, B. Mollenhauer, E. Brown, K. Kieburtz, M. Frasier, T. Sherer, S. Chowdhury, R. Alcalay, A. Videnovic (Ardmore, USA)

    Objective: To determine if cognitive deficits can be detected in early-stage Neuronal alpha-Synuclein Disease (NSD) compared with healthy controls. Background: Global cognitive deficits have been…
  • 2024 International Congress

    Pathological Mechanisms Associated with Atrazine-Induced Parkinson’s Disease Pathogenesis in Rat Model: The Rescue Role of Myricetin

    C. Ikeji, E. Farombi (Ibadan, Nigeria)

    Objective: This study aimed at investigating the mechanisms involved in the pathogenesis of Parkinson’s Disease in atrazine rat model of Parkinson’s Disease and the neuroprotective…
  • 2024 International Congress

    Polyamine pathways: a promising frontier for biomarkers and therapeutic targets in Parkinson’s disease (PD)

    W-L. Tsou, P. Lewitt, B. Ranxhi, Z. Chbihi, Z. Bangash, S. Todi (Detroit, USA)

    Objective: To systematically modulate polyamine (PA) metabolic pathways and investigate PA biomarker findings in PD using Drosophila melanogaster over-expressing human wild-type α-synuclein gene (hSNCA). Our…
  • 2024 International Congress

    Tissue-Engineered Nigrostriatal Pathways: An Anatomically-Inspired Model of Synucleinopathy in Human Neurons

    D. Chouhan, A. Bello, F. Laimo, S. Karandikar, R. Patel, K. Browne, K. Cullen, J. Duda (Philadelphia,, USA)

    Objective: The objectives of this study were (1) to create a human cell-based three-dimensional neural network that recapitulates the discrete somatic and axonal compartments of…
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