Abstract：
:Accumulation of intracellular tau fibrils has been the focus of research on the mechanisms of neurodegeneration in Alzheimer's disease (AD) and related tauopathies. Here, we have developed a class of tau ligands, phenyl/pyridinyl-butadienyl-benzothiazoles/benzothiazoliums (PBBs), for visualizing diverse tau inclusions in brains of living patients with AD or non-AD tauopathies and animal models of these disorders. In vivo optical and positron emission tomographic (PET) imaging of a transgenic mouse model demonstrated sensitive detection of tau inclusions by PBBs. A pyridinated PBB, [(11)C]PBB3, was next applied in a clinical PET study, and its robust signal in the AD hippocampus wherein tau pathology is enriched contrasted strikingly with that of a senile plaque radioligand, [(11)C]Pittsburgh Compound-B ([(11)C]PIB). [(11)C]PBB3-PET data were also consistent with the spreading of tau pathology with AD progression. Furthermore, increased [(11)C]PBB3 signals were found in a corticobasal syndrome patient negative for [(11)C]PIB-PET.
journal_name
Neuronjournal_title
Neuronauthors
Maruyama M,Shimada H,Suhara T,Shinotoh H,Ji B,Maeda J,Zhang MR,Trojanowski JQ,Lee VM,Ono M,Masamoto K,Takano H,Sahara N,Iwata N,Okamura N,Furumoto S,Kudo Y,Chang Q,Saido TC,Takashima A,Lewis J,Jang MK,Aoki I,doi
10.1016/j.neuron.2013.07.037subject
Has Abstractpub_date
2013-09-18 00:00:00pages
1094-108issue
6eissn
0896-6273issn
1097-4199pii
S0896-6273(13)00661-2journal_volume
79pub_type
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