2023
Positron Emission Tomography Imaging of Vessel Wall Matrix Metalloproteinase Activity in Abdominal Aortic Aneurysm
Toczek J, Gona K, Liu Y, Ahmad A, Ghim M, Ojha D, Kukreja G, Salarian M, Luehmann H, Heo G, Guzman R, Chaar C, Tellides G, Hassab A, Ye Y, Shoghi K, Zayed M, Gropler R, Sadeghi M. Positron Emission Tomography Imaging of Vessel Wall Matrix Metalloproteinase Activity in Abdominal Aortic Aneurysm. Circulation Cardiovascular Imaging 2023, 16: e014615. PMID: 36649454, PMCID: PMC9858355, DOI: 10.1161/circimaging.122.014615.Peer-Reviewed Original ResearchConceptsAbdominal aortic aneurysmHuman aortic tissueMMP activityAortic tissueAortic aneurysmMMP inhibitorsMurine modelMatrix metalloproteinasesPositron emission tomography/Toxicology studiesAortic MMP activityPositron emission tomography radioligandAngiotensin II infusionEmission tomography/Murine abdominal aortic aneurysmsBroad-spectrum MMP inhibitorMatrix metalloproteinase activityPositron emission tomography (PET) tracerPositron emission tomography (PET) imagingEmission Tomography ImagingPositron emission tomographyEmission tomography tracerII infusionRisk stratificationTomography/
2019
Novel Matrix Metalloproteinase 12 Selective Radiotracers for Vascular Molecular Imaging
Toczek J, Bordenave T, Gona K, Kim HY, Beau F, Georgiadis D, Correia I, Ye Y, Razavian M, Jung J, Lequin O, Dive V, Sadeghi MM, Devel L. Novel Matrix Metalloproteinase 12 Selective Radiotracers for Vascular Molecular Imaging. Journal Of Medicinal Chemistry 2019, 62: 9743-9752. PMID: 31603669, PMCID: PMC7054845, DOI: 10.1021/acs.jmedchem.9b01186.Peer-Reviewed Original ResearchConceptsAbdominal aortic aneurysmVascular molecular imagingMurine abdominal aortic aneurysmsMMP-12 gene expressionMatrix metalloproteinase-12Aortic aneurysmInflammatory diseasesAdjacent aortaH postinjectionMMP-12Blood clearanceMetalloproteinase-12Selective radiotracerFurther evaluationMMP-12 inhibitorsMouse bloodHigh uptakeAortaDiseaseMolecular imagingHuman metalloproteasesRadiotracer
2017
Preclinical Evaluation of RYM1, a Matrix Metalloproteinase–Targeted Tracer for Imaging Aneurysm
Toczek J, Ye Y, Gona K, Kim HY, Han J, Razavian M, Golestani R, Zhang J, Wu TL, Jung JJ, Sadeghi MM. Preclinical Evaluation of RYM1, a Matrix Metalloproteinase–Targeted Tracer for Imaging Aneurysm. Journal Of Nuclear Medicine 2017, 58: 1318-1323. PMID: 28360209, PMCID: PMC5537616, DOI: 10.2967/jnumed.116.188656.Peer-Reviewed Original ResearchConceptsMatrix metalloproteinasesMMP activityCD68 expressionCarotid aneurysmsPreclinical evaluationAneurysm developmentAbdominal aortic aneurysm (AAA) developmentAortic MMP activityEarly vascular imagingAngiotensin II infusionLow blood levelsAortic aneurysm developmentSPECT/CT imagesReverse transcription-polymerase chain reactionSPECT/CT imagingRapid blood clearanceSmall-animal SPECT/CT imagingII infusionAortic uptakeAngiotensin IIBlood levelsPolymerase chain reactionAAA formationDeficient miceApolipoprotein E
2016
Synthesis and in Vitro and in Vivo Evaluation of MMP-12 Selective Optical Probes
Bordenave T, Helle M, Beau F, Georgiadis D, Tepshi L, Bernes M, Ye Y, Levenez L, Poquet E, Nozach H, Razavian M, Toczek J, Stura EA, Dive V, Sadeghi MM, Devel L. Synthesis and in Vitro and in Vivo Evaluation of MMP-12 Selective Optical Probes. Bioconjugate Chemistry 2016, 27: 2407-2417. PMID: 27564088, PMCID: PMC5100701, DOI: 10.1021/acs.bioconjchem.6b00377.Peer-Reviewed Original ResearchConceptsDye moietyLinker lengthSelective optical probeVivo performanceDye structureFirst crystal structureCyanine dyesHydrophilic characterSeries of tracersSelective probeReporter groupCrystal structureNovel seriesBlood clearance rateFluorescent probePseudopeptide inhibitorsWhole conjugateNet chargeMoietyCrystallographic structureSelectivity profileSmall peptidesOptical probeVivo behaviorVivo evaluation