2022
Noninvasive Quantitative PET Imaging in Humans of the Pancreatic Beta-Cell Mass Biomarkers VMAT2 and Dopamine D2/D3 Receptors In Vivo
Bini J, Carson R, Cline G. Noninvasive Quantitative PET Imaging in Humans of the Pancreatic Beta-Cell Mass Biomarkers VMAT2 and Dopamine D2/D3 Receptors In Vivo. Methods In Molecular Biology 2022, 2592: 61-74. PMID: 36507985, DOI: 10.1007/978-1-0716-2807-2_4.Peer-Reviewed Original ResearchConceptsPositron emission tomographyBeta-cell massFunctional beta-cell massDopamine D2/D3 receptorsD2/D3 receptorsBeta-cell lossType 2 diabetesEfficacy of therapeuticsQuantitative positron emission tomographyInsulin secretionDopamine receptorsD3 receptorsGlucose regulationPET radioligandEmission tomographyType 1Clinical usePET imagingReceptorsQuantitative PET imagingVMAT2Cellular transportersImagingVivoQuantitative imaging
2018
Decreased VMAT2 in the pancreas of humans with type 2 diabetes mellitus measured in vivo by PET imaging
Cline GW, Naganawa M, Chen L, Chidsey K, Carvajal-Gonzalez S, Pawlak S, Rossulek M, Zhang Y, Bini J, McCarthy TJ, Carson RE, Calle RA. Decreased VMAT2 in the pancreas of humans with type 2 diabetes mellitus measured in vivo by PET imaging. Diabetologia 2018, 61: 2598-2607. PMID: 29721633, DOI: 10.1007/s00125-018-4624-0.Peer-Reviewed Original ResearchConceptsVesicular monoamine transporter type 2Type 2 diabetesBeta-cell massHealthy obese volunteersStandardised uptake value ratioBeta-cell functionTest-retest variabilityPancreas headTracer uptakeSUVR-1Type 2 diabetes mellitusType 2 diabetic participantsBeta-cell capacityConclusions/interpretationTheC-peptide AUCImpaired glucose toleranceType 2 diabetes pathophysiologyCell functionDeficient insulin secretionAcute insulin responsePancreas of humansUptake value ratioC-peptide releasePancreatic polypeptide cellsTransporter type 2