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18-kDa translocator protein ligand 18F-FEMPA: Biodistribution and uptake into atherosclerotic plaques in mice
<p>18F-FEMPA shows rapid blood clearance and uptake in the mouse aorta. Uptake in atherosclerotic plaques correlated with the amount of macrophages, but did not exceed that in the normal vessel wall.<br /></p>
Evaluation of [68Ga]Ga-DOTA-TCTP-1 for the Detection of Metalloproteinase 2/9 Expression in Mouse Atherosclerotic Plaques
Background: The expression of matrix metalloproteinases 2/9 (MMP-2/9) has been implicated in arterial remodeling and inflammation in atherosclerosis. We evaluated a gallium-68 labeled peptide for the detection of MMP-2/9 ...
Evaluation of image quality with four positron emitters and three preclinical PET/CT systems
Background We investigated the image quality of C-11, Ga-68, F-18 and Zr-89, which have different positron fractions, physical half-lifes and positron ranges. Three small animal positron emission tomography/computed ...
Type 2 diabetes enhances arterial uptake of choline in atherosclerotic mice: an imaging study with positron emission tomography tracer F-18-fluoromethylcholine
<p><b>Background: </b>Diabetes is a risk factor for atherosclerosis associated with oxidative stress, inflammation and cell proliferation. The purpose of this study was to evaluate arterial choline uptake and its relationship ...
Imaging of αvβ3 integrin expression in experimental myocardial ischemia with [68Ga]NODAGA-RGD positron emission tomography
<p>BACKGROUND: </p><p>Radiolabeled RGD peptides detect αvβ3 integrin expression associated with angiogenesis and extracellular matrix remodeling after myocardial infarction. We studied whether cardiac positron emission ...
Folate receptor-targeted positron emission tomography of experimental autoimmune encephalomyelitis in rats
<h2>Abstract</h2><div><p>BACKGROUND: Folate receptor-β (FR-β) is a cell surface receptor that is significantly upregulated on activated macrophages during inflammation and provides a potential target for folate-based ...
68Ga-DOTA-Siglec-9 – a new imaging tool to detect synovitistis
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Conclusion: Ga-DOTA-Siglec-9 PET tracer detected VAP-1 positive vasculature in the mild synovitis of rabbits comparable with F-18-FDG, suggesting its potential for in vivo imaging of synovial inflammation in patients ...
Accuracy of echocardiographic area-length method in chronic myocardial infarction: comparison with cardiac CT in pigs
Background: We evaluated echocardiographic area-length methods to measure left ventricle (LV) volumes and ejection fraction (EF) in parasternal short axis views in comparison with cardiac computed tomography (CT) in pigs ...
Evaluation of 68Ga-labeled peptide tracer for detection of gelatinase expression after myocardial infarction in rat
<h4>BACKGROUND: </h4><p>Matrix metalloproteinases 2 and 9 (MMP-2/9) play a role in extracellular matrix remodeling after an ischemic myocardial injury. We evaluated 68Ga-DOTA-peptide targeting MMP-2/9 for the detection of ...
Comparison of Ga-68-DOTA-Siglec-9 and F-18-Fluorodeoxyribose-Siglec-9: Inflammation Imaging and Radiation Dosimetry
Sialic acid-binding immunoglobulin-like lectin 9 (Siglec-9) is a ligand of inflammation-inducible vascular adhesion protein-1 (VAP1). We compared Ga-68-DOTA-and F-18-fluorodeoxyribose-(FDR) labeled Siglec-9motif peptides ...