Evaluation of a First PET Tracer Suitable for Imaging the Sigma‑2 Receptor in the Brain of Nonhuman Primates
Alluri S, Zheng M, Holden D, Zhang Y, Zhang L, Felchner Z, Li S, Ropchan J, Carson R, Jia H, Huang Y. Evaluation of a First PET Tracer Suitable for Imaging the Sigma‑2 Receptor in the Brain of Nonhuman Primates. Molecular Pharmaceutics 2023, 21: 194-200. PMID: 38013422, DOI: 10.1021/acs.molpharmaceut.3c00750.Peer-Reviewed Original ResearchConceptsAlzheimer's diseaseLimited brain uptakeNonhuman primate brainCentral nervous systemPotential therapeutic targetPositron emission tomography (PET) imagingEmission Tomography ImagingTransmembrane protein 97Sigma-2 receptorsFirst PET tracerBrain penetrantBrain uptakeTherapeutic targetNervous systemPrimate brainNeurological disordersPET tracersNonhuman primatesTomography imagingProtein 97CancerDiseaseBrainCell typesReceptorsDevelopment of a Highly Specific 18F‑Labeled Radioligand for Imaging of the Sigma‑2 Receptor in Brain Tumors
Wang T, Wang J, Chen L, Zhang X, Mou T, An X, Zhang J, Zhang X, Deuther-Conrad W, Huang Y, Jia H. Development of a Highly Specific 18F‑Labeled Radioligand for Imaging of the Sigma‑2 Receptor in Brain Tumors. Journal Of Medicinal Chemistry 2023, 66: 12840-12857. PMID: 37704582, DOI: 10.1021/acs.jmedchem.3c00735.Peer-Reviewed Original ResearchMicro-PET/CT imagingSigma-2 receptorsTumor uptakeCT imagingClear tumor visualizationGlioma xenograft modelU87MG glioma xenograftsHigh subtype selectivityHigh tumor uptakeHigh specific bindingGlioma xenograftsBrain tumorsXenograft modelTumor visualizationSubtype selectivityReceptorsTumorsRadioligandSpecific bindingGBq/ImagingRadiochemical purityNanomolar affinity