ArticleBMC medical imaging2016
Comparison of three ¹⁸F-labeled carboxylic acids with ¹⁸F-FDG of the differentiation tumor from inflammation in model mice.
Article in BMC medical imaging, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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8 citing papers in PubMed, 23 citations in OpenAlex.
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe aim of this study was to compare the properties and feasibility of the glucose analog, 2-(18)F-fluoro-2-deoxy-D-glucose ((18)F-FDG), three short (18)F-labeled carboxylic acids, (18)F-fluoroacetate ((18)F-FAC), 2-(18)F-fluoropropionic acid ((18)F-FPA) and 4-((18)F)fluorobenzoic acid ((18)F-FBA), for differentiating tumors from inflammation.
methodsBiodistributions of (18)F-FAC, (18)F-FPA and (18)F-FBA were determined on normal Kunming mice, and positron emission tomography (PET) imaging with these tracers were performed on the separate tumor-bearing mice model and inflammation mice model in comparison with (18)F-FDG.
resultsBiodistribution results showed that (18)F-FAC and (18)F-FPA had similar biodistribution profiles and the slow radioactivity clearance from most tissues excluding the in vivo defluorination of (18)F-FAC, and (18)F-FBA demonstrated a lower uptake and fast clearance in most tissues. PET imaging with (18)F-FDG, (18)F-FAC and (18)F-FPA revealed the high uptake in both tumor and inflammatory lesions. The ratios of tumor-to-inflammation were 1.63 ± 0.28 for (18)F-FDG, 1.20 ± 0.38 for (18)F-FAC, and 1.41 ± 0.33 for (18)F-FPA at 60 min postinjection, respectively. While clear tumor images with high contrast between tumor and inflammation lesion were observed in (18)F-FBA/PET with the highest ratio of tumor-to-inflammation (1.98 ± 0.15).
conclusionsOur data demonstrated (18)F-FBA is a promising PET probe to distinguish tumor from inflammation. But the further modification of (18)F-FBA structure is required to improve its pharmacokinetics.
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