Α-synuclein immunotherapy blocks uptake and templated propagation of misfolded α-synuclein and neurodegeneration.
Α-synuclein immunotherapy blocks uptake and templated propagation of misfolded α-synuclein and neurodegeneration.
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DOI:
10.1016/j.celrep.2014.05.033
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发表时间:
2014-06-26
期刊:
影响因子:
8.8
通讯作者:
Lee VM
中科院分区:
文献类型:
--
作者:
Tran HT;Chung CH;Iba M;Zhang B;Trojanowski JQ;Luk KC;Lee VM
Accumulation of misfolded alpha-synuclein (α-syn) into Lewy bodies (LBs) and Lewy neurites (LNs) is a major hallmark of Parkinson’s disease (PD) and dementia with LBs (DLB). Recent studies showed that synthetic preformed fibrils (pffs) recruit endogenous α-syn and induce LB/LN pathology in vitro and in vivo, thereby implicating propagation and cell-to-cell transmission of pathological α-syn as mechanisms for the progressive spread of LBs/LNs. Here, we demonstrate that α-syn monoclonal antibodies (mAbs) reduce α-syn pff-induced LB/LN formation and rescue synapse/neuron loss in primary neuronal cultures by preventing both pff uptake and subsequent cell-to-cell transmission of pathology. Moreover, intraperitoneal (i.p.) administration of mAb specific for misfolded α-syn into nontransgenic mice injected intrastriatally with α-syn pffs reduces LB/LN pathology, ameliorates substantia nigra dopaminergic neuron loss, and improves motor impairments. We conclude that α-syn antibodies could exert therapeutic effects in PD/DLB by blocking entry of pathological α-syn and/or its propagation in neurons.
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影响因子:
16.2
作者:
Giasson, BI;Duda, JE;Lee, VMY
通讯作者:
Lee, VMY
影响因子:
3.7
作者:
d'Abramo C;Acker CM;Jimenez HT;Davies P
通讯作者:
Davies P
DOI:
10.1126/science.1227157
发表时间:
2012-11-16
期刊:
Science (New York, N.Y.)
影响因子:
--
作者:
Luk KC;Kehm V;Carroll J;Zhang B;O'Brien P;Trojanowski JQ;Lee VM
通讯作者:
Lee VM
影响因子:
16.2
作者:
Volpicelli-Daley LA;Luk KC;Patel TP;Tanik SA;Riddle DM;Stieber A;Meaney DF;Trojanowski JQ;Lee VM
通讯作者:
Lee VM
影响因子:
38.1
作者:
Lemere, Cynthia A.;Masliah, Eliezer
通讯作者:
Masliah, Eliezer