4R-Tau seeding activity unravels molecular subtypes in patients with Progressive Supranuclear Palsy
Progressive Supranuclear palsy (PSP) is a 4-repeat (4-R) tauopathy. We hypothesized that the molecular diversity of tau could explain the heterogeneity seen in PSP disease progression. To test this hypothesis, we performed an extensive biochemical characterisation of the high molecular weight tau species (HMW-Tau) in 20 different brain regions of 25 PSP patients. We found a correlation between the HMW-Tau species and tau seeding capacity in the primary motor cortex, where we confirmed that an elevated 4R-Tau seeding activity correlates with a shorter disease duration. To identify factors that contribute to these differences, we performed proteomic and spatial transcriptomic analysis that revealed key mechanistic pathways, in particular those involving the immune system, that defined patients demonstrating high and low tau seeding capacity. These observations suggest that differences in the tau seeding activity may contribute to the considerable heterogeneity seen in disease progression of patients suffering from PSP.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - year:2023 |
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| Enthalten in: |
bioRxiv : the preprint server for biology - (2023) vom: 29. Sept. |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Martinez-Valbuena, Ivan [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Revised 31.10.2023 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1101/2023.09.28.559953 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM363020241 |
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| 520 | |a Progressive Supranuclear palsy (PSP) is a 4-repeat (4-R) tauopathy. We hypothesized that the molecular diversity of tau could explain the heterogeneity seen in PSP disease progression. To test this hypothesis, we performed an extensive biochemical characterisation of the high molecular weight tau species (HMW-Tau) in 20 different brain regions of 25 PSP patients. We found a correlation between the HMW-Tau species and tau seeding capacity in the primary motor cortex, where we confirmed that an elevated 4R-Tau seeding activity correlates with a shorter disease duration. To identify factors that contribute to these differences, we performed proteomic and spatial transcriptomic analysis that revealed key mechanistic pathways, in particular those involving the immune system, that defined patients demonstrating high and low tau seeding capacity. These observations suggest that differences in the tau seeding activity may contribute to the considerable heterogeneity seen in disease progression of patients suffering from PSP | ||
| 650 | 4 | |a Preprint | |
| 700 | 1 | |a Lee, Seojin |e verfasserin |4 aut | |
| 700 | 1 | |a Santamaria, Enrique |e verfasserin |4 aut | |
| 700 | 1 | |a Irigoyen, Joaquin Fernandez |e verfasserin |4 aut | |
| 700 | 1 | |a Forrest, Shelley |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Jun |e verfasserin |4 aut | |
| 700 | 1 | |a Tanaka, Hidetomo |e verfasserin |4 aut | |
| 700 | 1 | |a Couto, Blas |e verfasserin |4 aut | |
| 700 | 1 | |a Reyes, Nikolai Gil |e verfasserin |4 aut | |
| 700 | 1 | |a Qamar, Hania |e verfasserin |4 aut | |
| 700 | 1 | |a Karakani, Ali M |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Ain |e verfasserin |4 aut | |
| 700 | 1 | |a Senkevich, Konstantin |e verfasserin |4 aut | |
| 700 | 1 | |a Rogaeva, Ekaterina |e verfasserin |4 aut | |
| 700 | 1 | |a Fox, Susan H |e verfasserin |4 aut | |
| 700 | 1 | |a Tartaglia, Carmela |e verfasserin |4 aut | |
| 700 | 1 | |a Visanji, Naomi P |e verfasserin |4 aut | |
| 700 | 1 | |a Andrews, Tallulah |e verfasserin |4 aut | |
| 700 | 1 | |a Lang, Anthony E |e verfasserin |4 aut | |
| 700 | 1 | |a Kovacs, Gabor Geza |e verfasserin |4 aut | |
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