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Kaczmarczyk, L.* ; Schleif, M.* ; Dittrich, L.* ; Williams, R.H. ; Koderman, M.* ; Bansal, V.* ; Rajput, A.* ; Schulte, T.L.* ; Jonson, M.* ; Krost, C.* ; Testaquadra, F.J.* ; Bonn, S.* ; Jackson, W.S.*

Distinct translatome changes in specific neural populations precede electroencephalographic changes in prion-infected mice.

PLoS Pathog. 18:e1010747 (2022)
Verlagsversion Forschungsdaten DOI PMC
Open Access Gold
Creative Commons Lizenzvertrag
Selective vulnerability is an enigmatic feature of neurodegenerative diseases (NDs), whereby a widely expressed protein causes lesions in specific cell types and brain regions. Using the RiboTag method in mice, translational responses of five neural subtypes to acquired prion disease (PrD) were measured. Pre-onset and disease onset timepoints were chosen based on longitudinal electroencephalography (EEG) that revealed a gradual increase in theta power between 10- and 18-weeks after prion injection, resembling a clinical feature of human PrD. At disease onset, marked by significantly increased theta power and histopathological lesions, mice had pronounced translatome changes in all five cell types despite appearing normal. Remarkably, at a pre-onset stage, prior to EEG and neuropathological changes, we found that 1) translatomes of astrocytes indicated reduced synthesis of ribosomal and mitochondrial components, 2) glutamatergic neurons showed increased expression of cytoskeletal genes, and 3) GABAergic neurons revealed reduced expression of circadian rhythm genes. These data demonstrate that early translatome responses to neurodegeneration emerge prior to conventional markers of disease and are cell type-specific. Therapeutic strategies may need to target multiple pathways in specific populations of cells, early in disease.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Protein-synthesis Machinery; Selective Vulnerability; Gabaergic Neurons; Prion Diseases; Messenger-rna; Expression; Sleep; Activation; Ribosomes; Mitochondrial
Sprache englisch
Veröffentlichungsjahr 2022
HGF-Berichtsjahr 2022
ISSN (print) / ISBN 1553-7366
e-ISSN 1553-7374
Zeitschrift PLoS Pathogens
Quellenangaben Band: 18, Heft: 8, Seiten: , Artikelnummer: e1010747 Supplement: ,
Verlag Public Library of Science (PLoS)
Verlagsort 1160 Battery Street, Ste 100, San Francisco, Ca 94111 Usa
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Neurogenomics (ING)
POF Topic(s) 30205 - Bioengineering and Digital Health
Forschungsfeld(er) Genetics and Epidemiology
PSP-Element(e) G-555100-001
Förderungen Deutsches Zentrum für Neurodegenerative Erkrankungen
Knut och Alice Wallenbergs Stiftelse
Deutsche Forschungsgemeinschaft
Swedish National Infrastructure for Computing
Helmholtz-Alberta Initiative-Neurodegenerative Disease Research
DOI 10.1371/journal.ppat.1010747
WOS ID 000971372100010
Scopus ID 85137125830
PubMed ID 35960762
Erfassungsdatum 2022-11-16
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