2024
Head-to-head comparison of [18F]-Flortaucipir, [18F]-MK-6240 and [18F]-PI-2620 postmortem binding across the spectrum of neurodegenerative diseases
Aguero C, Dhaynaut M, Amaral A, Moon S, Neelamegam R, Scapellato M, Carazo-Casas C, Kumar S, El Fakhri G, Johnson K, Frosch M, Normandin M, Gómez-Isla T. Head-to-head comparison of [18F]-Flortaucipir, [18F]-MK-6240 and [18F]-PI-2620 postmortem binding across the spectrum of neurodegenerative diseases. Acta Neuropathologica 2024, 147: 25. PMID: 38280071, PMCID: PMC10822013, DOI: 10.1007/s00401-023-02672-z.Peer-Reviewed Original ResearchConceptsNon-AD tauopathiesTau aggregationTau PET tracersDNA-binding proteinsBinds to neurofibrillary tanglesSecond-generation tau tracersTransactive response DNA-binding proteinSpectrum of neurodegenerative diseasesNeurofibrillary tanglesTau lesionsMelanin-containing cellsTDP-43Binding signalTauopathiesBinding targetsCerebral amyloid angiopathyOff-target bindingB-amyloidBinding patternsNeurodegenerative diseasesTau tracersTauBinding to areasBinding profilesBinding
2019
[18F]-AV-1451 binding profile in chronic traumatic encephalopathy: a postmortem case series
Marquié M, Agüero C, Amaral A, Villarejo-Galende A, Ramanan P, Chong M, Sáez-Calveras N, Bennett R, Verwer E, Kim S, Dhaynaut M, Alvarez V, Johnson K, McKee A, Frosch M, Gómez-Isla T. [18F]-AV-1451 binding profile in chronic traumatic encephalopathy: a postmortem case series. Acta Neuropathologica Communications 2019, 7: 164. PMID: 31661038, PMCID: PMC6816221, DOI: 10.1186/s40478-019-0808-1.Peer-Reviewed Original ResearchConceptsTau aggregationPositron emission tomographyTau lesionsPresence of tau aggregatesInferior parietal cortexSuperior temporal cortexPaired helical filamentsTau seeding activityHyperphosphorylated tau speciesDetection of tau aggregatesTraumatic encephalopathyPostmortem brain tissue samplesCorticobasal degenerationProgressive supranuclear palsyBinding profilesTau-containing lesionsRepetitive head traumaDifferential binding affinityFrontal cortexTemporal cortexParietal cortexTau conformationTau speciesBinding affinityOccipital cortex