2025
Collagen Hybridizing Peptide-Based Radiotracers for Molecular Imaging of Collagen Turnover in Pulmonary Fibrosis.
Ahmad A, Ghim M, Kukreja G, Neishabouri A, Zhang Z, Li J, Salarian M, Toczek J, Gona K, Hedayatyanfard K, Morrison T, Zhang J, Huang Y, Liu C, Yu S, Sadeghi M. Collagen Hybridizing Peptide-Based Radiotracers for Molecular Imaging of Collagen Turnover in Pulmonary Fibrosis. Journal Of Nuclear Medicine 2025, 66: 425-433. PMID: 39915119, PMCID: PMC11876730, DOI: 10.2967/jnumed.124.268832.Peer-Reviewed Original ResearchConceptsPulmonary fibrosisTracer uptakeLung uptakeMurine model of pulmonary fibrosisModel of pulmonary fibrosisMice 3 wkEffect of antifibrotic therapyCollagen turnoverInterstitial lung diseaseClinical diagnostic methodsSPECT/CT imagingHybrid tracersLung histologyAntifibrotic therapyControl miceDisease activityMurine modelLung diseaseMice 8Tissue fibrosisPatient managementLiver uptakeSPECT/CTFibrosisSPECT images
2023
Multimodality Imaging of Aortic Valve Calcification and Function in a Murine Model of Calcific Aortic Valve Disease and Bicuspid Aortic Valve
Ahmad A, Ghim M, Toczek J, Neishabouri A, Ojha D, Zhang Z, Gona K, Raza M, Jung J, Kukreja G, Zhang J, Guerrera N, Liu C, Sadeghi M. Multimodality Imaging of Aortic Valve Calcification and Function in a Murine Model of Calcific Aortic Valve Disease and Bicuspid Aortic Valve. Journal Of Nuclear Medicine 2023, 64: 1487-1494. PMID: 37321825, PMCID: PMC10478817, DOI: 10.2967/jnumed.123.265516.Peer-Reviewed Original ResearchConceptsF-NaF PET/CTCalcific aortic valve diseaseBicuspid aortic valvePET/CTAortic valve calcificationAortic valve diseaseAortic valveAortic stenosisValve calcificationValvular calcificationValve diseaseF-NaFSubset of miceTricuspid aortic valveDevelopment of calcificationSignificant correlationUnderwent echocardiographyMedical therapyHigh prevalencePreclinical modelsMurine modelTherapeutic interventionsAge groupsAutoradiography dataMultimodality imagingPositron 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/
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