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Tau PET imaging in Alzheimer’s disease Toshiki Tezuka 1 , Daisuke Ito 1 1Department of Neurology Keio University School of Medicine Keyword: タウPET , タウオパチー , アルツハイマー病 pp.327-334
Published Date 2021/4/10
DOI https://doi.org/10.18888/rp.0000001565
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Neurodegenerative diseases including Alzheimer’s diseases(AD)have recently regarded as proteinopathy in which abnormal protein such as amyloid β and tau pathologically accumulates in the affected brain areas. Tau aggregates are one of key pathological features of AD and other neurodegenerative diseases and became an important target for diagnosis and therapy. Recently, PET probes for tau have been developed for in vivo detection of tau accumulation, but have limitations such as off-target binding and lower ability to detect tau in non-AD tauopathies. As improved repeatedly, the next-generation radiotracers including [18F] MK6240, [18F] PI-2620, and [18F] PM-PBB3 indicate less off-target binding and high specific binding to tau neurofibrils. First in human studies have been conducted with promising results for all tracers in AD patients, and also some positive experience in non-AD tauopathies. In this review, we will discuss the tau PET tracers and their features focusing on AD.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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