Discovery of a novel pharmacological and structural class of gamma secretase modulators derived from the extract of Actaea racemosa

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Publications associées (29)

A simple, versatile and robust centrifugation-based filtration protocol for the isolation and quantification of alpha-synuclein monomers, oligomers and fibrils: Towards improving experimental reproducibility in alpha-synuclein research

Hilal Lashuel, Anass Chiki, Sonia Donzelli, Muhammed Muazzam Kamil Syed

Increasing evidence suggests that the process of alpha-synuclein (alpha-syn) aggregation from monomers into amyloid fibrils and Lewy bodies, via oligomeric intermediates plays an essential role in the pathogenesis of different synucleinopathies, including ...

Wiley-Blackwell2020

Nanoscale Characterization of Amyloid Fibrils and Biomacromolecules by Atomic Force Microscopy Approaches

Jiangtao Zhou

This thesis focuses on the interdisciplinary biophysical research field, in which physical approaches are applied to study the biological phenomena. Specifically, the main object of the research in this thesis is to target biological species,especially the ...

EPFL2020

Oligomerization Profile of Human Transthyretin Variants with Distinct Amyloidogenicity

Bruno Emanuel Ferreira De Sousa Correia

One of the molecular hallmarks of amyloidoses is ordered protein aggregation involving the initial formation of soluble protein oligomers that eventually grow into insoluble fibrils. The identification and characterization of molecular species critical for ...

2020

Gold nanoparticles as a new tool in amyloid studies

Urszula Beata Cendrowska

The misfolding and self-assembly of proteins into fibrils is a hallmark of several neurodegenerative and systemic diseases. These disease-associated proteins have the propensity to form fibrils with a cross-Î² sheet structure, called amyloids. Amyloids can ...

EPFL2020

Unraveling the complexity of amyloid polymorphism using gold nanoparticles and cryo-EM

Francesco Stellacci, Hilal Lashuel, Nadine Aït Bouziad, Paulo Henrique Jacob Silva, Anass Chiki, Zekiye Pelin Güven, Urszula Beata Cendrowska, Sophie Vieweg, Marie Mueller

Increasing evidence suggests that amyloid polymorphism gives rise to different strains of amyloids with distinct toxicities and pathology-spreading properties. Validating this hypothesis is challenging due to a lack of tools and methods that allow for the ...

National Academy of Sciences2020

Expert recommendation from the Swiss Amyloidosis Network (SAN) for systemic AL-amyloidosis

Alessio Mylonas, Andrea Cavalli, Martin Meyer

Systemic amyloidosis is a heterogeneous group of diseases associated with protein misfolding into insoluble beta-sheet rich structures that deposit extracellularly in different organs, eventually compromising their function. There are more than 30 differen ...

E M H SWISS MEDICAL PUBLISHERS LTD2020

Anti-Aβ antibodies bound to neuritic plaques enhance microglia activity and mitigate tau pathology

Bernard Schneider, Philippe Colin, Vanessa Laversenne

The brain pathology of Alzheimer’s disease (AD) is characterized by the misfolding and aggregation of both the amyloid beta (Aβ) peptide and hyperphosphorylated forms of the tau protein. Initial Aβ deposition is considered to trigger a sequence of deleteri ...

2020

The Clustering of mApoE Anti-Amyloidogenic Peptide on Nanoparticle Surface Does Not Alter Its Performance in Controlling Beta-Amyloid Aggregation

Francesco Stellacci, Paulo Henrique Jacob Silva

The deposition of amyloid-beta (A beta) plaques in the brain is a significant pathological signature of Alzheimer's disease, correlating with synaptic dysfunction and neurodegeneration. Several compounds, peptides, or drugs have been designed to redirect o ...

2020

Diffusion MRI biomarkers of white matter microstructure vary nonmonotonically with increasing cerebral amyloid deposition

Ileana Ozana Jelescu

Beta amyloid (A beta) accumulation is the earliest pathological marker of Alzheimer's disease (AD), but early AD pathology also affects white matter (WM) integrity. We performed a cross-sectional study including 44 subjects (23 healthy controls and 21 mild ...

2020

Membrane–Protein–Hydration Interaction of α-Synuclein with Anionic Vesicles Probed via Angle-Resolved Second-Harmonic Scattering

Sylvie Roke, Jan Dedic, Halil Ibrahim Okur

Amyloid formation of the protein α-synuclein promotes neurodegeneration in Parkinson's disease. The normal function of α-synuclein includes synaptic vesicle transport and fusion, and the protein binds strongly to negatively charged vesicles in vitro. Here, ...

2019

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