Featured Publications
Imaging the brain’s immune response to alcohol with [11C]PBR28 TSPO Positron Emission Tomography
Raval N, Angarita G, Matuskey D, Miller R, Drake L, Kapinos M, Nabulsi N, Huang Y, Carson R, O’Malley S, Cosgrove K, Hillmer A. Imaging the brain’s immune response to alcohol with [11C]PBR28 TSPO Positron Emission Tomography. Molecular Psychiatry 2023, 28: 3384-3390. PMID: 37532797, PMCID: PMC10743097, DOI: 10.1038/s41380-023-02198-6.Peer-Reviewed Original ResearchConceptsVolume of distributionBlood alcohol levelsPositron emission tomographyBrain immune responseImmune responseAlcohol challengeEmission tomographyPeak blood alcohol levelsMultilinear analysis 1Peripheral immune functionVivo human evidenceLaboratory alcohol challengeTSPO positron emission tomographyBinge levelsPlasma cytokinesImmune dysfunctionNeuroimmune systemIL-6MCP-1Cytokines TNFAcute effectsScan dayArterial bloodHuman evidenceImmune function
2024
Evaluation of F-537-Tetrazine in a model for brain pretargeting imaging. Comparison to N-(3-[18F] fluoro-5-(1,2,4,5-tetrazin-3-yl)benzyl)propan-1-amine
Shalgunov V, van den Broek S, Andersen I, Raval N, Schäfer G, Barz M, Herth M, Battisti U. Evaluation of F-537-Tetrazine in a model for brain pretargeting imaging. Comparison to N-(3-[18F] fluoro-5-(1,2,4,5-tetrazin-3-yl)benzyl)propan-1-amine. Nuclear Medicine And Biology 2024, 128: 108877. PMID: 38232579, DOI: 10.1016/j.nucmedbio.2024.108877.Peer-Reviewed Original Research
2023
Kinetic models for estimating occupancy from single-scan PET displacement studies
Laurell G, Plavén-Sigray P, Johansen A, Raval N, Nasser A, Madsen C, Madsen J, Hansen H, Donovan L, Knudsen G, Lammertsma A, Ogden R, Svarer C, Schain M. Kinetic models for estimating occupancy from single-scan PET displacement studies. Cerebrovascular And Brain Metabolism Reviews 2023, 43: 1544-1556. PMID: 37070382, PMCID: PMC10414003, DOI: 10.1177/0271678x231168591.Peer-Reviewed Original Research
2022
Positron Emission Tomography of Neuroimmune Responses in Humans: Insights and Intricacies
Raval NR, Wetherill RR, Wiers CE, Dubroff JG, Hillmer AT. Positron Emission Tomography of Neuroimmune Responses in Humans: Insights and Intricacies. Seminars In Nuclear Medicine 2022, 53: 213-229. PMID: 36270830, PMCID: PMC11261531, DOI: 10.1053/j.semnuclmed.2022.08.008.Peer-Reviewed Original Research In PressConceptsNeuroimmune targetsImmune systemNeuropsychiatric conditionsSphingosine-1-phosphate receptor 1Brain immune systemPurinergic P2X7 receptorVivo positron emission tomography (PET) imagingNitric oxide synthasePurinergic P2Y12 receptorPositron emission tomography (PET) imagingEmission Tomography ImagingPositron emission tomographyTranslocator protein 18Neuroimmune responsePET findingsNeuroimmune systemP2X7 receptorCyclooxygenase-2Oxide synthaseP2Y12 receptorPET resultsMonoamine oxidase BCyclooxygenase-1Colony-stimulating factor-1Receptor 1Evaluation of the α-synuclein PET radiotracer (d3)-[11C]MODAG-001 in pigs
Raval N, Madsen C, Shalgunov V, Nasser A, Battisti U, Beaman E, Juhl M, Jørgensen L, Herth M, Hansen H, Plavén-Sigray P, Knudsen G. Evaluation of the α-synuclein PET radiotracer (d3)-[11C]MODAG-001 in pigs. Nuclear Medicine And Biology 2022, 114: 42-48. PMID: 36095921, DOI: 10.1016/j.nucmedbio.2022.08.001.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseOccipital cortexΑ-synuclein pre-formed fibrilsInjected regionΑ-synuclein pathologyAD brain homogenatesDose-dependent effectPositron emission tomography (PET) radiotracerPre-formed fibrilsΑ-synuclein aggregatesReference regionAD homogenatesLogan graphical analysisLewy bodiesHistopathological hallmarksEarly diagnosisParkinson's diseasePET scansBrain homogenatesTime-activity curvesPig modelBrain regionsTomography radiotracerPig brainPET radiotracers
2021
A Single Dose of Psilocybin Increases Synaptic Density and Decreases 5-HT2A Receptor Density in the Pig Brain
Raval NR, Johansen A, Donovan LL, Ros NF, Ozenne B, Hansen HD, Knudsen GM. A Single Dose of Psilocybin Increases Synaptic Density and Decreases 5-HT2A Receptor Density in the Pig Brain. International Journal Of Molecular Sciences 2021, 22: 835. PMID: 33467676, PMCID: PMC7830000, DOI: 10.3390/ijms22020835.Peer-Reviewed Original ResearchConceptsAntidepressive effectsR densitySingle dosePig brainSerotonin 2A receptor agonistSynaptic vesicle protein 2AAntidepressant effectsAntidepressive actionReceptor agonistAcute decreaseSynaptic densityReceptor densityCortex sectionsAwake pigsHippocampusDoseProtein 2ASynaptogenesisBrainPsilocybinPigsDaysAgonistsRadioligand