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@ARTICLE{Wegmann:136780,
author = {Wegmann, Susanne and Medalsy, Izhar D and Mandelkow,
Eckhard and Müller, Daniel J},
title = {{T}he fuzzy coat of pathological human {T}au fibrils is a
two-layered polyelectrolyte brush.},
journal = {Proceedings of the National Academy of Sciences of the
United States of America},
volume = {110},
number = {4},
issn = {0027-8424},
address = {Washington, DC},
publisher = {National Acad. of Sciences},
reportid = {DZNE-2020-03102},
pages = {E313-E321},
year = {2013},
abstract = {The structure and properties of amyloid-like Tau fibrils
accumulating in neurodegenerative diseases have been debated
for decades. Although the core of Tau fibrils assembles from
short β-strands, the properties of the much longer
unstructured Tau domains protruding from the fibril core
remain largely obscure. Applying immunogold transmission EM,
and force-volume atomic force microscopy (AFM), we imaged
human Tau fibrils at high resolution and simultaneously
mapped their mechanical and adhesive properties. Tau fibrils
showed a ≈ 16-nm-thick fuzzy coat that resembles a
two-layered polyelectrolyte brush, which is formed by the
unstructured short C-terminal and long N-terminal Tau
domains. The mechanical and adhesive properties of the fuzzy
coat are modulated by electrolytes and pH, and thus by the
cellular environment. These unique properties of the fuzzy
coat help in understanding how Tau fibrils disturb cellular
interactions and accumulate in neurofibrillary tangles.},
keywords = {Adhesiveness / Biomechanical Phenomena / Electrolytes:
chemistry / Humans / Hydrogen-Ion Concentration /
Microscopy, Atomic Force / Microscopy, Immunoelectron /
Models, Molecular / Protein Interaction Domains and Motifs /
Protein Multimerization / Recombinant Proteins: chemistry /
Recombinant Proteins: genetics / Recombinant Proteins:
ultrastructure / tau Proteins: chemistry / tau Proteins:
genetics / tau Proteins: physiology / tau Proteins:
ultrastructure / Electrolytes (NLM Chemicals) / MAPT
protein, human (NLM Chemicals) / Recombinant Proteins (NLM
Chemicals) / tau Proteins (NLM Chemicals)},
cin = {AG (Eckhard) Mandelkow},
ddc = {500},
cid = {I:(DE-2719)1013014},
pnm = {342 - Disease Mechanisms and Model Systems (POF3-342)},
pid = {G:(DE-HGF)POF3-342},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:23269837},
pmc = {pmc:PMC3557036},
doi = {10.1073/pnas.1212100110},
url = {https://pub.dzne.de/record/136780},
}