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Oligomeric amyloid-...
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Sackmann, Christopher,1988-Linköpings universitet,Avdelningen för neurobiologi,Medicinska fakulteten,Region Östergötland, Klinisk patologi
(författare)
Oligomeric amyloid-beta induces early and widespread changes to the proteome in human iPSC-derived neurons
- Artikel/kapitelEngelska2020
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2020-04-16
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Nature Publishing Group,2020
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LIBRIS-ID:oai:DiVA.org:liu-169266
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-169266URI
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https://doi.org/10.1038/s41598-020-63398-6DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:art swepub-publicationtype
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Funding Agencies|Swedish Research CouncilSwedish Research Council [MH: 523-2013-2735]; Swedish Alzheimer foundation; Swedish Brain Foundation; Hans-Gabriel and Alice Trolle-Wachtmeister Foundation for Medical Research; Konung Gustaf V:s och Drottning Victorias Frimurarestiftelse; Swedish Dementia Foundation; Linkoping University
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Alzheimer’s disease (AD) is the most common form of dementia globally and is characterized by aberrant accumulations of amyloid-beta (Aβ) and tau proteins. Oligomeric forms of these proteins are believed to be most relevant to disease progression, with oligomeric amyloid-β (oAβ) particularly implicated in AD. oAβ pathology spreads among interconnected brain regions, but how oAβ induces pathology in these previously unaffected neurons requires further study. Here, we use well characterized iPSC-derived human neurons to study the early changes to the proteome and phosphoproteome after 24 h exposure to oAβ 1-42. Using nLC-MS/MS and label-free quantification, we identified several proteins that are differentially regulated in response to acute oAβ challenge. At this early timepoint, oAβ induced the decrease of TDP-43, heterogeneous nuclear ribonucleoproteins (hnRNPs), and coatomer complex I (COPI) proteins. Conversely, increases were observed in 20 S proteasome subunits and vesicle associated proteins VAMP1/2, as well as the differential phosphorylation of tau at serine 208. These changes show that there are widespread alterations to the neuronal proteome within 24 h of oAβ uptake, including proteins previously not shown to be related to neurodegeneration. This study provides new targets for the further study of early mediators of AD pathogenesis.
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Hallbeck, Martin,1970-Linköpings universitet,Avdelningen för neurobiologi,Medicinska fakulteten,Region Östergötland, Klinisk patologi(Swepub:liu)marha90
(författare)
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Linköpings universitetAvdelningen för neurobiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Scientific Reports: Nature Publishing Group10:12045-2322
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