2024
Aging-dependent loss of functional connectivity in a mouse model of Alzheimer’s disease and reversal by mGluR5 modulator
Mandino F, Shen X, Desrosiers-Grégoire G, O’Connor D, Mukherjee B, Owens A, Qu A, Onofrey J, Papademetris X, Chakravarty M, Strittmatter S, Lake E. Aging-dependent loss of functional connectivity in a mouse model of Alzheimer’s disease and reversal by mGluR5 modulator. Molecular Psychiatry 2024, 1-16. PMID: 39424929, DOI: 10.1038/s41380-024-02779-z.Peer-Reviewed Original ResearchFunctional connectivity deficitsConnectivity deficitsFunctional connectivityBrain connectivityAllosteric modulators of mGluR5Alzheimer's diseaseDefault-mode networkModulation of mGluR5Loss of functional connectivityResting-state fMRIApplication of fMRIWild-type controlsAged AD miceMouse model of Alzheimer's diseaseAD-related changesAD miceModel of Alzheimer's diseaseAssociated with synaptic damageMGluR5 modulationMonths of ageFMRI measurementsAmyloid accumulationDecreased connectivityBrain networksSilent allosteric modulators
2023
Longitudinal simultaneous fMRI and mesoscale calcium imaging in a mouse model of Alzheimer’s disease
Mandino F, Shen X, Desrosiers-Gregoire G, O'Connor D, Mukherjee B, DeLuca K, Hamodi A, Owens A, Ha Y, Qu A, Onofrey J, Papademetris X, Chakravarty M, Crair M, Strittmatter S, Lake E. Longitudinal simultaneous fMRI and mesoscale calcium imaging in a mouse model of Alzheimer’s disease. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/3914.Peer-Reviewed Original ResearchMouse model of Alzheimer's diseaseModel of Alzheimer's diseaseMesoscale calcium imagingAlzheimer's diseaseBehavioral deficitsExcitatory neural activityMultimodal neuroimagingBOLD signalSimultaneous fMRINeuroimaging changesNeural activityBOLD fMRIPreliminary evidenceCalcium imagingClinically accessible biomarkersMesoscopic calcium imagingSpontaneous activityFMRINeuroimagingBOLDDeficitsComplex relationship
2022
The lateral entorhinal cortex is a hub for local and global dysfunction in early Alzheimer’s disease states
Mandino F, Yeow LY, Bi R, Sejin L, Bae HG, Baek SH, Lee CY, Mohammad H, Horien C, Teoh CL, Lee JH, Lai MK, Jung S, Fu Y, Olivo M, Gigg J, Grandjean J. The lateral entorhinal cortex is a hub for local and global dysfunction in early Alzheimer’s disease states. Cerebrovascular And Brain Metabolism Reviews 2022, 42: 1616-1631. PMID: 35466772, PMCID: PMC9441719, DOI: 10.1177/0271678x221082016.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseEntorhinal cortexFunctional connectivity lossEarly AD stagesEarly Alzheimer's diseaseLateral entorhinal cortexVentral networkSynaptic hyperexcitabilityAD progressionGlobal dysfunctionMouse modelOptogenetic activationProjection targetsPathophysiological modelAD stagesMice showNetwork alterationsActive phenotypeNeuronal facilitationEarly hallmarkDiseaseActivity alterationsFMRI signalsNeuronal underpinningsTauopathies
2021
Lipocalin‐Type Prostaglandin d Synthase Conjugates as Magnetic Resonance Imaging Contrast Agents for Detecting Amyloid β‐Rich Regions in the Brain of Live Alzheimer's Disease Mice
Sharma B, Grandjean J, Phillips M, Kumar A, Mandino F, Yeow L, Low K, Nandwana V, Dravid V, Bengang X, Lim S, Pervushin K. Lipocalin‐Type Prostaglandin d Synthase Conjugates as Magnetic Resonance Imaging Contrast Agents for Detecting Amyloid β‐Rich Regions in the Brain of Live Alzheimer's Disease Mice. Advanced NanoBiomed Research 2021, 1 DOI: 10.1002/anbr.202100019.Peer-Reviewed Original ResearchMagnetic resonance imagingAlzheimer's diseaseDisease miceNon-invasive intranasal administrationEarly detectionAlzheimer's disease micePotential neuroprotective functionQuality of lifeContrast-enhanced visualizationLipocalin-type prostaglandin D synthaseBrain amyloidIntranasal administrationNeuroprotective functionDetection of amyloidProstaglandin D synthaseCerebrospinal fluidAmyloid β-peptideL-PGDSCurrent diagnosisMouse brainResonance imagingBrain regionsLow success rateNeuronal cellsSuccess rate