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@ARTICLE{Wagner:165578,
author = {Wagner, Jessica and Degenhardt, Karoline and Veit, Marleen
and Louros, Nikolaos and Konstantoulea, Katerina and
Skodras, Angelos and Wild, Katleen and Liu, Ping and
Obermüller, Ulrike and Bansal, Vikas and Dalmia, Anupriya
and Häsler, Lisa M and Lambert, Marius and De Vleeschouwer,
Matthias and Davies, Hannah A and Madine, Jillian and
Kronenberg-Versteeg, Deborah and Feederle, Regina and Del
Turco, Domenico and Nilsson, K Peter R and Lashley, Tammaryn
and Deller, Thomas and Gearing, Marla and Walker, Lary C.
and Heutink, Peter and Rousseau, Frederic and Schymkowitz,
Joost and Jucker, Mathias and Neher, Jonas},
title = {{M}edin co-aggregates with vascular amyloid-β in
{A}lzheimer's disease.},
journal = {Nature},
volume = {612},
number = {7938},
issn = {0028-0836},
address = {London [u.a.]},
publisher = {Nature Publ. Group},
reportid = {DZNE-2022-01718},
pages = {123 - 131},
year = {2022},
abstract = {Aggregates of medin amyloid (a fragment of the protein
MFG-E8, also known as lactadherin) are found in the
vasculature of almost all humans over 50 years of age1,2,
making it the most common amyloid currently known. We
recently reported that medin also aggregates in blood
vessels of ageing wild-type mice, causing cerebrovascular
dysfunction3. Here we demonstrate in amyloid-β precursor
protein (APP) transgenic mice and in patients with
Alzheimer's disease that medin co-localizes with vascular
amyloid-β deposits, and that in mice, medin deficiency
reduces vascular amyloid-β deposition by half. Moreover, in
both the mouse and human brain, MFG-E8 is highly enriched in
the vasculature and both MFG-E8 and medin levels increase
with the severity of vascular amyloid-β burden.
Additionally, analysing data from 566 individuals in the
ROSMAP cohort, we find that patients with Alzheimer's
disease have higher MFGE8 expression levels, which are
attributable to vascular cells and are associated with
increased measures of cognitive decline, independent of
plaque and tau pathology. Mechanistically, we demonstrate
that medin interacts directly with amyloid-β to promote its
aggregation, as medin forms heterologous fibrils with
amyloid-β, affects amyloid-β fibril structure, and
cross-seeds amyloid-β aggregation both in vitro and in
vivo. Thus, medin could be a therapeutic target for
prevention of vascular damage and cognitive decline
resulting from amyloid-β deposition in the blood vessels of
the brain.},
keywords = {Alzheimer Disease: metabolism / Humans / Animals / Mice /
Middle Aged / Alzheimer Disease / Amyloid beta-Peptides /
Cognitive Dysfunction / Plaque, Amyloid / Amyloid
beta-Protein Precursor / Mice, Transgenic / Serum Amyloid A
Protein / Amyloid beta-Peptides: metabolism / Amyloid
beta-Protein Precursor: metabolism / Plaque, Amyloid:
metabolism / tau Proteins: metabolism / Amyloid
beta-Peptides (NLM Chemicals) / Amyloid beta-Protein
Precursor (NLM Chemicals) / Serum Amyloid A Protein (NLM
Chemicals)},
cin = {AG Neher / AG Jucker / AG Heutink / AG Feederle},
ddc = {500},
cid = {I:(DE-2719)1210012 / I:(DE-2719)1210001 /
I:(DE-2719)1210002 / I:(DE-2719)1140004},
pnm = {352 - Disease Mechanisms (POF4-352) / 354 - Disease
Prevention and Healthy Aging (POF4-354)},
pid = {G:(DE-HGF)POF4-352 / G:(DE-HGF)POF4-354},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:36385530},
pmc = {pmc:PMC9712113},
doi = {10.1038/s41586-022-05440-3},
url = {https://pub.dzne.de/record/165578},
}