MDS Abstracts

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

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  • MDS Virtual Congress 2020

    Auxilin knockout mice: a model for Parkinsonism with dopamine dysregulation and synucleinopathy

    V. DJ, S. Chandra (New Haven, CT, USA)

    Objective: To evaluate the role of auxilin in the pathogenesis of Parkinson’s disease (PD). Background: Auxilin or DNAJC6, a brain-specific co-chaperone plays central role in…
  • MDS Virtual Congress 2020

    Is it time to consider circulating microRNAs as a diagnostic biomarker in REM sleep behavior disorder?

    C. Peralta, D. Giardino, A. Garay, J. Fededa, S. Valiensi, V. Barrachina (Buenos Aires, Argentina)

    Objective: To detect the expression of two circulating microRNAs (miRNAs) in patients with REM sleep behavior disorder (RBD) compared to patients with Parkinson´s Disease (PD).…
  • MDS Virtual Congress 2020

    Spatiotemporal Changes in Substantia Nigra Neuromelanin Content from Prodromal to Clinical Parkinson’s Disease

    E. Biondetti, R. Gaurav, L. Yahia-Cherif, G. Mangone, N. Pyatigorskaya, R. Valabrègue, C. Ewenczyk, M. Hutchison, C. François, J.C Corvol, M. Vidailhet, S. Lehéricy (Paris, France)

    Objective: To investigate the voxel-wise spatiotemporal changes in neuromelanin-sensitive MRI (NM-MRI) signal in the substantia nigra and their relation to clinical scores of disease severity…
  • MDS Virtual Congress 2020

    Investigating Substantia Nigra Damage using Fully Automated Segmentation of Neuromelanin MRI in Early Parkinson’s Disease

    R. Gaurav, R. Valabregue, L. Yahia-Cherif, N. Pyatigorskaya, G. Mangone, E. Biondetti, C. Ewenczyk, M. Hutchison, J.C Corvol, M. Vidailhet, S. Lehéricy (Paris, France)

    Objective: Development of reliable imaging biomarkers of dopaminergic cell neurodegeneration is crucial to facilitate therapeutic drug trials in Parkinson's disease (PD). Neuromelanin-sensitive (NM) MRI techniques…
  • MDS Virtual Congress 2020

    Levodopa improves tremor symptom by reducing the connectivity between the thalamic subregions and postcentral gyrus in patients with Parkinson’s disease

    W.L Liu, Y.S Shen, M.Y Yu, W.L Liu (Nanjing, China)

    Objective: To explore the mechanism by which levodopa modulates the functional connectivity of the subregions of the thalamus and  which subregional connectivity changes are associated…
  • MDS Virtual Congress 2020

    Thalamic nuclei volumes and intrinsic thalamic network in motor subtype in Parkinson’s disease

    J. Park, H.T Kim (Busan, Republic of Korea)

    Objective: The aim of this study is to investigate the alterations of thalamic nuclei volumes and intrinsic thalamic network in patients with de-novo PD according…
  • MDS Virtual Congress 2020

    Altered metabolic and functional resting state activity in cognitively unimpaired and impaired Parkinson’s disease patients

    M. Ruppert, A. Greuel, M. Tahmasian, K. Steidel, F. Maier, J. Hammes, T. van Eimeren, L. Timmermann, M. Tittgemeyer, A. Drzezga, C. Eggers (Marburg, Germany)

    Objective: To assess the correspondence between functional connectivity and metabolic covariance in healthy controls and Parkinson’s disease patients (PD) with and without cognitive impairment. Background:…
  • MDS Virtual Congress 2020

    Diffusion Magnetic Resonance Imaging with Neurite Orientation and Dispersion Imaging (NODDI) Detects Early Localized Cortex Disruption in Parkinson’s Disease

    W. Sweidan, N. Seraji-Bozorgzad, J. Stanley, E. George (Detroit, MI, USA)

    Objective: To use diffusion kurtosis MRI with NODDI to assess brain cortex microstructure in Parkinson’s patients and localize disease related changes. Background: Cortical atrophy has…
  • MDS Virtual Congress 2020

    Predicting Longitudinal Atrophy in Parkinson’s Disease using SIR model

    A. Abdelgawad, S. Rahayel, C. Tremblay, A. Vo, Y.Q Zheng, R. Markello, B. Misic, A. Dagher (Montreal, QC, Canada)

    Objective: To predict longitudinal brain changes in Parkinson's disease (PD) using an agent-based model. Background: Considerable evidence suggests that α-synuclein(α-syn) behaves in a prion-like fashion,…
  • MDS Virtual Congress 2020

    An overview of vestibular function in Parkinson’s disease

    K. Hawkins, S. Paul, E. Chiarovano, I. Curthoys (Sydney, Australia)

    Objective: To determine if people with Parkinson’s disease (PD) have greater vestibular dysfunction than age-matched healthy people (HC). Background: The vestibular system is crucial for…
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