Effects of sedimentation, microgravity, hydrodynamic mixing and air-water interface on alpha-synuclein amyloid formation

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Publications associées (29)

Towards elucidating the structural and cellular determinants of a-synuclein seeding and toxicity

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Although it has been nearly two and half decades since the discovery of alpha-synuclein (aSyn) as the major component of Lewy bodies (LBs), our understanding of the involvement of different aSyn species, their seeding, spreading and toxicity in Parkinson's ...

EPFL2022

Statistical potentials from the Gaussian scaling behaviour of chain fragments buried within protein globules

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Knowledge-based approaches use the statistics collected from protein data-bank structures to estimate effective interaction potentials between amino acid pairs. Empirical relations are typically employed that are based on the crucial choice of a reference ...

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Opportunities and challenges of alpha-synuclein as a potential biomarker for Parkinson's disease and other synucleinopathies

Hilal Lashuel, Pedro José Santana Ribeiro Magalhães

Parkinson's disease (PD), the second most common progressive neurodegenerative disease, develops and progresses for 10-15 years before the clinical diagnostic symptoms of the disease are manifested. Furthermore, several aspects of PD pathology overlap with ...

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Revisiting the specificity and ability of phospho-S129 antibodies to capture alpha-synuclein biochemical and pathological diversity

Christian Iseli, Nicolas Jean Philippe Guex, Hilal Lashuel, Anass Chiki, Ramanath Narayana Hegde, Anne-Laure Mahul Mellier, Ritwik Burai, Sean Michael Deguire, Melek Firat Altay, Sonia Donzelli, Jonathan Jean-Pierre Ricci, Salvatore Novello, Pedro José Santana Ribeiro Magalhães, Yllza Jasiqi

Antibodies against phosphorylated alpha-synuclein (aSyn) at 5129 have emerged as the primary tools to investigate, monitor, and quantify aSyn pathology in the brain and peripheral tissues of patients with Parkinson's disease and other neurodegenerative dis ...

NATURE PORTFOLIO2022

Pathological Relevance of Post-Translationally Modified Alpha-Synuclein (pSer87, pSer129, nTyr39) in Idiopathic Parkinson's Disease and Multiple System Atrophy

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Aggregated alpha-synuclein (alpha-synuclein) is the main component of Lewy bodies (LBs), Lewy neurites (LNs), and glial cytoplasmic inclusions (GCIs), which are pathological hallmarks of idiopathic Parkinson's disease (IPD) and multiple system atrophy (MSA ...

MDPI2022

Enhancing mitochondrial quality control to fight neuromuscular degeneration in aging and disease

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Loss of mitochondrial function and proteostasis typify aging and age-associated degenerative disorders such as Alzheimer's disease and muscle aging. To date, no cure or preventive measure is available to manage these conditions. Alterations of cellular pro ...

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Lewy body-associated proteins: Victims, instigators, or innocent bystanders? The case of AIMP2 and alpha-synuclein

Hilal Lashuel, Salvatore Novello

Lewy bodies (LBs), one of the neuropathological defining hallmarks of Parkinson's disease (PD), are composed of a complex mixture of alpha-synuclein (aSyn) filaments and hundreds of proteins, lipids, and membranous organelles. However, these proteins' role ...

2021

Structural strains of misfolded tau protein define different diseases

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In diseases called tauopathies, misfolded tau proteins form aggregates called fibrils. Fibrils from nine different tauopathies show that tau misfolds in many ways, enabling the diseases to be classified according to fibril structure. ...

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Method for generating variants of a protein

Patrick Daniel Barth

The present relates to a method for generating variants of a protein based on a native protein regulated by allosteric pathway, the method comprising: - i) providing 3D structures of the native protein; - ii) identifying at least one pair of coupled allost ...

2021

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