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Cited by 521

The DOI matches its Crossref record; 45 of the 45 references it cites were found in a registry or an index.

Prion-like Properties of Pathological TDP-43 Aggregates from Diseased Brains

Open access
Nonaka, Takashi, Masuda-Suzukake, Masami, Arai, Tetsuaki, Hasegawa, Yoko, Akatsu, Hiroyasu, Obi, Tomokazu, Yoshida, Mari, Murayama, Shigeo, Mann, David M.A., Akiyama, Haruhiko, Hasegawa, Masato·2013·Cell Reports

Abstract

TDP-43 is the major component protein of ubiquitin-positive inclusions in brains of patients with frontotemporal lobar degeneration (FTLD-TDP) or amyotrophic lateral sclerosis (ALS). Here, we report the characterization of prion-like properties of aggregated TDP-43 prepared from diseased brains. When insoluble TDP-43 from ALS or FTLD-TDP brains was introduced as seeds into SH-SY5Y cells expressing TDP-43, phosphorylated and ubiquitinated TDP-43 was aggregated in a self-templating manner. Immunoblot analyses revealed that the C-terminal fragments of insoluble TDP-43 characteristic of each disease type acted as seeds, inducing seed-dependent aggregation of TDP-43 in these cells. The seeding ability of insoluble TDP-43 was unaffected by proteinase treatment but was abrogated by formic acid. One subtype of TDP-43 aggregate was resistant to boiling treatment. The insoluble fraction from cells harboring TDP-43 aggregates could also trigger intracellular TDP-43 aggregation. These results indicate that insoluble TDP-43 has prion-like properties that may play a role in the progression of TDP-43 proteinopathy.

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Crossref · 10.1016/j.celrep.2013.06.007

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Metadata

Authors
Nonaka, T., Masuda-Suzukake, M., Arai, T., Hasegawa, Y., Akatsu, H., Obi, T., Yoshida, M., Murayama, S., Mann, D. M. A., Akiyama, H., & Hasegawa, M.
Venue
Cell Reports
Publisher
Elsevier BV
Published
2013-07
Volume
4
Issue
1
Pages
124-134
ISSN
2211-1247 (ISSN-L)
OpenAlex
W2170087857
Cited by
521
References
45
FWCI
23.37
Type
journal article
Language
en
Open access
gold

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