2023
Locus coeruleus metabolic changes as a predictor of tau accumulation and cognitive decline
Koops E, Dutta J, Becker A, Van Egroo M, Riphagen J, Hanseeuw B, Sperling R, Fakhri G, Johnson K, Jacobs H. Locus coeruleus metabolic changes as a predictor of tau accumulation and cognitive decline. Alzheimer's & Dementia 2023, 19 DOI: 10.1002/alz.073715.Peer-Reviewed Original ResearchBeta-amyloidTau pathologyAlzheimer's diseaseNeuropathological hallmarks of Alzheimer's diseaseHallmarks of Alzheimer's diseaseP-tauBeta-amyloid levelsP-tau accumulationMetabolic turnoverAccumulation of p-tauMarkers of AD progressionTau formationLocus coeruleusAD pathological changesTau accumulationNeuropathological hallmarksAD progressionPhosphorylated-tauPositron emission tomographyLate stageLociPairwise analysisMetabolismPair-wise differencesFDG-PET signal
2022
Lower novelty-related locus coeruleus function is associated with Aβ-related cognitive decline in clinically healthy individuals
Prokopiou P, Engels-Domínguez N, Papp K, Scott M, Schultz A, Schneider C, Farrell M, Buckley R, Quiroz Y, El Fakhri G, Rentz D, Sperling R, Johnson K, Jacobs H. Lower novelty-related locus coeruleus function is associated with Aβ-related cognitive decline in clinically healthy individuals. Nature Communications 2022, 13: 1571. PMID: 35322012, PMCID: PMC8943159, DOI: 10.1038/s41467-022-28986-2.Peer-Reviewed Original ResearchConceptsCognitive declineLC activityLC-FCFunctional connectivityLocus coeruleusAssociated with altered neuronal activityNeuronal activityFace-name paradigmAD-related cognitive declineHuman imaging researchIn vivo neuronal activityLongitudinal cognitive dataAssociated with cognitive declineBeta-amyloid-PETIndividuals at-riskAlzheimer's diseaseCognitively unimpaired older individualsBeta-amyloidSubcortical regionsFunctional MRICognitive dataNeurofibrillary tauImaging researchHippocampusCognition