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@ARTICLE{Friker:151661,
author = {Friker, Lea L. and Scheiblich, Hannah and Hochheiser, Inga
V. and Brinkschulte, Rebecca and Riedel, Dietmar and Latz,
Eicke and Geyer, Matthias and Heneka, Michael T.},
title = {β-{A}myloid {C}lustering around {ASC} {F}ibrils {B}oosts
{I}ts {T}oxicity in {M}icroglia},
journal = {Cell reports},
volume = {30},
number = {11},
issn = {2211-1247},
address = {[New York, NY]},
publisher = {Elsevier},
reportid = {DZNE-2020-01240},
pages = {3743 - 3754.e6},
year = {2020},
abstract = {Alzheimer’s disease is the world’s most common
neurodegenerative disorder. It is associated with
neuroinflammation involving activation of microglia by
β-amyloid (Aβ) deposits. Based on previous studies showing
apoptosis-associated speck-like protein containing a CARD
(ASC) binding and cross-seeding extracellular Aβ, we
investigate the propagation of ASC between primary microglia
and the effects of ASC-Aβ composites on microglial
inflammasomes and function. Indeed, ASC released by a
pyroptotic cell can be functionally built into the
neighboring microglia NOD-like receptor protein (NLRP3)
inflammasome. Compared with protein-only application,
exposure to ASC-Aβ composites amplifies the proinflammatory
response, resulting in pyroptotic cell death, setting free
functional ASC and inducing a feedforward stimulating
vicious cycle. Clustering around ASC fibrils also
compromises clearance of Aβ by microglia. Together, these
data enable a closer look at the turning point from acute to
chronic Aβ-related neuroinflammation through formation of
ASC-Aβ composites.},
keywords = {Amyloid beta-Peptides: metabolism / Amyloid beta-Peptides:
toxicity / Amyloid beta-Peptides: ultrastructure / Animals /
CARD Signaling Adaptor Proteins: metabolism / Caspase 1:
metabolism / Cells, Cultured / Humans / Inflammasomes:
metabolism / Interleukin-1beta: metabolism / Mice, Inbred
C57BL / Microglia: drug effects / Microglia: metabolism /
Microglia: pathology / Models, Biological / NLR Family,
Pyrin Domain-Containing 3 Protein: metabolism / Proteolysis:
drug effects / Pyroptosis: drug effects / Signal
Transduction: drug effects / Toll-Like Receptor 2:
metabolism / Toll-Like Receptor 4: metabolism},
cin = {AG Heneka ; AG Heneka},
ddc = {610},
cid = {I:(DE-2719)1011303},
pnm = {344 - Clinical and Health Care Research (POF3-344)},
pid = {G:(DE-HGF)POF3-344},
typ = {PUB:(DE-HGF)16},
pmc = {pmc:PMC8729885},
pubmed = {pmid:32187546},
doi = {10.1016/j.celrep.2020.02.025},
url = {https://pub.dzne.de/record/151661},
}