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pet-tracer
12 studies tagged pet-tracer, dated 2015-11-28 to 2022-11-29. Bibliography: BibTeX (.bib) · RIS (.ris)
Newest in this topic
- Discriminative binding of tau PET tracers PI2620, MK6240 and RO948 in Alzheimer's disease, corticobasal degeneration and progressive supranuclear palsy brains 2022-11-29
- Discriminatory ability of next-generation tau PET tracers for Alzheimer's disease 2021-09-01
- Cryptic Sites in Tau Fibrils Explain the Preferential Binding of the AV-1451 PET Tracer toward Alzheimer's Tauopathy 2021-06-21
Studies
12 studies carry this tag.
Date range
2015 to 2022
Top journals
- European journal of nuclear medicine and molecular imaging 5
- ACS chemical neuroscience 2
- Journal of nuclear medicine : official publication, Society of Nuclear Medicine 2
- Alzheimer's & dementia : the journal of the Alzheimer's Association 1
- Brain : a journal of neurology 1
6 journals in all.
Newest first, then by address. Each study has a usefulness score out of 100 (rubric version 4.0); tap a score to see what makes it up. Tags were assigned automatically from each study's title and summary. The same studies as a filter in the library.
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Recent mechanistic and structural studies have challenged the classical tauopathy classification approach and revealed the complexity and heterogeneity of tau pathology in Alzheimer's disease (AD) and primary tauopathies such as corticobasal degeneration (CBD) and progressive supranuclear palsy (PSP), progressing beyond distinct tau isoforms.
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A next generation of tau PET tracers for the imaging of Alzheimer's disease and other dementias has recently been developed.
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In contrast, tau tracer AV-1451 is reported to bind to specific types of tau fibrils (in particular to AD-associated and CTE) with higher binding affinity and only show nonspecific or weaker binding toward tau fibrils dominant with 3R isoforms (associated with PiD).
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The temporal meta-ROI can be used for differential diagnosis of dementia patients with [ 18 F]flortaucipir, [ 18 F]RO948, and [ 18 F]MK6240 tau PET with high accuracy, and that using very similar cut-offs of around 1.35 SUVR.
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43/100
The recent development of several tau positron emission tomography (PET) tracers represents a major milestone for the Alzheimer's disease (AD) field.
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The current literature provides overall preliminary evidence on the establishment of the second-generation tau PET tracers into the clinical context, thereby successfully addressing some methodological issues from the tau PET tracer of the first generation.
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43/100
3 H-MK6240 has a high binding affinity for tau deposits in AD brain tissue but also has different binding characteristics from those of the first-generation tau tracers.
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Abnormal deposition of hyperphosphorylated tau as neurofibrillary tangles (NFTs) is an important pathological hallmark of Alzheimer's disease (AD) and of other neurodegenerative disorders.
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The developed tau tracers show in silico and in vivo evidence of cross-interaction with MAO-B; the MAO-B component of the tracer binding was dependent on the regional concentration of the enzyme.
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Mouse biodistribution studies showed moderate initial brain uptake and rapid brain washout.
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AD demonstrated increased 18 F-AV-1451 retention compared with YHV and AHV based on both invasive and noninvasive analyses in cortical regions in which paired helical filament tau accumulation is expected in AD.
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Imaging or tissue biomarker evidence has been introduced into the core diagnostic pathway for Alzheimer's disease (AD).