FUS pathology defines the majority of tau- and TDP-43-negative frontotemporal lobar degeneration.

FUS pathology defines the majority of tau- and TDP-43-negative frontotemporal lobar degeneration.
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DOI:
10.1007/s00401-010-0698-6
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发表时间:
2010-07
影响因子:
12.7
通讯作者:
Isaacs AM
Isaacs AM
中科院分区:
医学1区
文献类型:
--
作者:
Urwin H;Josephs KA;Rohrer JD;Mackenzie IR;Neumann M;Authier A;Seelaar H;Van Swieten JC;Brown JM;Johannsen P;Nielsen JE;Holm IE;FReJA Consortium;Dickson DW;Rademakers R;Graff-Radford NR;Parisi JE;Petersen RC;Hatanpaa KJ;White CL 3rd;Weiner MF;Geser F;Van Deerlin VM;Trojanowski JQ;Miller BL;Seeley WW;van der Zee J;Kumar-Singh S;Engelborghs S;De Deyn PP;Van Broeckhoven C;Bigio EH;Deng HX;Halliday GM;Kril JJ;Munoz DG;Mann DM;Pickering-Brown SM;Doodeman V;Adamson G;Ghazi-Noori S;Fisher EM;Holton JL;Revesz T;Rossor MN;Collinge J;Mead S;Isaacs AM

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Through an international consortium, we have collected 37 tau- and TAR DNA-binding protein 43 (TDP-43)-negative frontotemporal lobar degeneration (FTLD) cases, and present here the first comprehensive analysis of these cases in terms of neuropathology, genetics, demographics and clinical data. 92% (34/37) had fused in sarcoma (FUS) protein pathology, indicating that FTLD-FUS is an important FTLD subtype. This FTLD-FUS collection specifically focussed on aFTLD-U cases, one of three recently defined subtypes of FTLD-FUS. The aFTLD-U subtype of FTLD-FUS is characterised clinically by behavioural variant frontotemporal dementia (bvFTD) and has a particularly young age of onset with a mean of 41 years. Further, this subtype had a high prevalence of psychotic symptoms (36% of cases) and low prevalence of motor symptoms (3% of cases). We did not find FUS mutations in any aFTLD-U case. To date, the only subtype of cases reported to have ubiquitin-positive but tau-, TDP-43- and FUS-negative pathology, termed FTLD-UPS, is the result of charged multivesicular body protein 2B gene (CHMP2B) mutation. We identified three FTLD-UPS cases, which are negative for CHMP2B mutation, suggesting that the full complement of FTLD pathologies is yet to be elucidated.
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