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Publications associées (26)

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Investigation of Biophysical Properties of Biomolecules by Means of Atomic Force Microscopy

Jae Sun Jeong

Biomolecules are the building blocks of living organisms and perform the most important functions in a biological process. The aim of biophysics is to understand the biological functions of biomolecules in terms of their structure: structure and function o ...

EPFL2012

The Gamma-Secretase-Mediated Proteolytic Processing of APP C-Terminal Fragments as a Therapeutic Target for Alzheimer's Disease

Jemila Houacine

Alzheimer's disease (AD) is a devastating neurodegenerative disorder which severely impairs cognitive functions by triggering neuronal cell death and synaptic loss, and finally leads the patients to death. Two main histopathological hallmarks can be found ...

EPFL2011

Understanding amyloid aggregation by statistical analysis of atomic force microscopy images

Giovanni Dietler, Paolo De Los Rios, Raffaele Mezzenga

The aggregation of proteins is central to many aspects of daily life, including food processing, blood coagulation, eye cataract formation disease and prion-related neurodegenerative infections[1–5]. However, the physical mechanisms responsible for amyloid ...

Nature Publishing Group2010

1) Trace copper(II) or zinc(II) ions drastically modify the aggregation behaviour of Aβ1–42: an AFM study

Angela Casini

Formation of amyloid-beta (A beta)(1-42) amyloid fibrils, a characteristic feature of Alzheimer's disease (AD), was monitored in situ through atomic force microscopy (AFM). Well-structured amyloid fibrils slowly formed in solution within 24 hours for which ...

2010

The anti-Parkinsonian drug selegiline delays the nucleation phase of α-synuclein aggregation leading to the formation of nontoxic species

Hilal Lashuel

Parkinson's disease (PD) is a movement disorder characterized by the loss of dopaminergic neurons in the substantia nigra and the formation of intraneuronal inclusions called Lewy bodies, which are composed mainly of α-synuclein (α-syn). Selegiline (Sel) i ...

Elsevier2010

Formation and maintenance of Alzheimer's disease beta-amyloid plaques in the absence of microglia

Tristan Bolmont

In Alzheimer's disease, microglia cluster around beta-amyloid deposits, suggesting that these cells are important for amyloid plaque formation, maintenance and/or clearance. We crossed two distinct APP transgenic mouse strains with CD11b-HSVTK mice, in whi ...

Nature Publishing Group2009