Research Topics
| F WuestSummaryAffiliation: Forschungszentrum Rossendorf Country: Germany Publications
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Detail Information
Publications
An 86Y-labeled mirror-image oligonucleotide: influence of Y-DOTA isomers on the biodistribution in ratsJoern Schlesinger
Institute of Radiopharmacy, Forschungszentrum Dresden Rossendorf, Germany
Bioconjug Chem 19:928-39. 2008..High renal excretions were found for the [(86)Y((S)-p-NH 2-Bn-DOTA)](-) complex isomers as well as for the L-RNA isomers...
Radiolabelling of isopeptide N epsilon-(gamma-glutamyl)-L-lysine by conjugation with N-succinimidyl-4-[18F]fluorobenzoateF Wüst
Institut fur Bioanorganische und Radiopharmazeutische Chemie, FZ Rossendorf e V, PF 51 01 19, Dresden 01314, Germany
Appl Radiat Isot 59:43-8. 2003..Using the optimized labelling conditions, in a typical experiment 1.3GBq of [18F]SFB could be converted into 447MBq (46%, decay-corrected) of [18F]fluorobenzoylated isopeptide within 45 min, including HPLC purification...
Synthesis and evaluation in vitro and in vivo of a 11C-labeled cyclooxygenase-2 (COX-2) inhibitorFrank Wuest
Institute of Radiopharmacy, Research Center Dresden Rossendorf, PO Box 510119, 01314 Dresden, Germany
Bioorg Med Chem 16:7662-70. 2008..However, radioactivity uptake in the tumor could not be blocked by the pre-injection of nonradioactive compound 5. Therefore, it can be concluded that radioactivity uptake in the tumor was not COX-2 mediated...
Synthesis and radiopharmacological characterization of [11C]AL-438 as a nonsteroidal ligand for imaging brain glucocorticoid receptorsFrank Wuest
Institut für Radiopharmazie, Forschungszentrum Dresden Rossendorf e V, POB 51 01 19, D 01314 Dresden, Germany
Bioorg Med Chem Lett 17:4035-9. 2007..However, the inability of high dose corticosterone to block binding would suggest that the radioactivity accumulation in the brain was not receptor-mediated...
Synthesis and radiopharmacological characterization of 2beta-carbo-2'-[18F]fluoroethoxy-3beta-(4-bromo-phenyl)tropane ([18F]MCL-322) as a PET radiotracer for imaging the dopamine transporter (DAT)F Wuest
Institut für Radiopharmazie, Forschungszentrum Dresden Rossendorf, Postfach 510119, 01314 Dresden, Germany
Bioorg Med Chem 15:4511-9. 2007....
Aspects of positron emission tomography radiochemistry as relevant for food chemistryF Wuest
Positron Emission Tomography Center, Institute of Bioinorganic and Radiopharmaceutical Chemistry, Research Center Rossendorf, Dresden, Germany
Amino Acids 29:323-39. 2005....
Synthesis and radiopharmacological evaluation of 2'-(4-fluorophenyl)-21-[18F]fluoro-20-oxo-11beta,17alpha-dihydroxy-pregn-4-eno[3,2-c]pyrazole as potential glucocorticoid receptor ligand for positron emission tomography (PET)Frank Wüst
Institut fur Bioanorganische und Radiopharmazeutische Chemie, Forschungszentrum Rossendorf e V, PO Box 51 01 19, D 01314 Dresden, Germany
Bioorg Med Chem Lett 15:1303-6. 2005..25+/-0.03% ID/g after 5 min, which remained constant over 60 min. The radiopharmacological evaluation of compound [18F]-2 was completed with autoradiography using rat brain sections and micro-PET imaging...
Synthesis of 18F-labelled cyclooxygenase-2 (COX-2) inhibitors via Stille reaction with 4-[18F]fluoroiodobenzene as radiotracers for positron emission tomography (PET)Frank R Wüst
Institute of Bioinorganic and Radiopharmaceutical Chemistry, FZ Rossendorf, PF 51 01 19, D 01314 Dresden, Germany
Org Biomol Chem 3:503-7. 2005..By using optimized reaction conditions (18)F-labelled COX-2 inhibitors [(18)F]-5 and [(18)F]-13 could be obtained in radiochemical yields of up to 94% and 68%, respectively, based upon 4-[(18)F]fluoroiodobenzene...
Catabolism of native and oxidized low density lipoproteins: in vivo insights from small animal positron emission tomography studiesJ Pietzsch
Positron Emission Tomography Center, Institute of Bioinorganic and Radiopharmaceutical Chemistry, Research Center Rossendorf, Dresden, Germany
Amino Acids 29:389-404. 2005..g., LDL iodination methods, and is of value to characterize and to discriminate the kinetics and the metabolic fate of nLDL and oxLDL in small animals in vivo...
Biodistribution and catabolism of 18F-labelled isopeptide N(epsilon)-(gamma-glutamyl)-L-lysineC Hultsch
Positron Emission Tomography Center, Institute of Bioinorganic and Radiopharmaceutical Chemistry, Research Center Rossendorf, Dresden, Germany
Amino Acids 29:405-13. 2005..The results suggest that the metabolic fate of isopeptides is likely to be dependent on how they are reabsorbed - free or peptide bound...
Synthesis and biodistribution of an 18F-labelled resveratrol derivative for small animal positron emission tomographyS Gester
Positron Emission Tomography Center, Institute of Bioinorganic and Radiopharmaceutical Chemistry, Research Center Rossendorf, Dresden, Germany
Amino Acids 29:415-28. 2005..This study represents the first investigation of polyphenols in vivo by means of PET...
Labeling of low-density lipoproteins using the 18F-labeled thiol-reactive reagent N-[6-(4-[18F]fluorobenzylidene)aminooxyhexyl]maleimideMathias Berndt
Institute of Radiopharmacy, Research Center Rossendorf, POB 51 01 19, D 01314 Dresden, Germany
Nucl Med Biol 34:5-15. 2007..The compound [18F]FBAM can be considered as an excellent prosthetic group for the selective and mild 18F labeling of thiol-group-containing biomolecules suitable for subsequent investigations in vitro and in vivo...
Radiosynthesis and radiopharmacological evaluation of [N-methyl-11C]Org 34850 as a glucocorticoid receptor (GR)-binding radiotracerFrank Wuest
Institut für Radiopharmazie, Forschungszentrum Dresden Rossendorf e V, POB 51 01 19, D 01314 Dresden, Germany
Appl Radiat Isot 67:308-12. 2009..However, involvement of Pgp or species differences requires further clarification to establish whether the radiotracer [N-methyl-(11)C]Org 34850 may still represent a suitable candidate for imaging GRs in humans...
Fluorine-18 radiolabeling of low-density lipoproteins: a potential approach for characterization and differentiation of metabolism of native and oxidized low-density lipoproteins in vivoJens Pietzsch
PET Center, Institute of Bioinorganic and Radiopharmaceutical Chemistry, Research Center Rossendorf Dresden, D 01314 Dresden, Germany
Nucl Med Biol 31:1043-50. 2004..Thus, radiolabeling of LDL using [(18)F]SFB could prove to be a promising approach for studying the kinetics of oxLDL in vivo...
Practical experiences with the synthesis of [11C]CH3I through gas phase iodination reaction using a TRACERlabFXC synthesis moduleTorsten Kniess
Institute of Radiopharmacy, FZ Dresden Rossendorf, Box 510119, Dresden 01314, Germany
Appl Radiat Isot 66:482-8. 2008..The relatively low specific activity may be mainly due to carbon contaminations originating from the long copper tubing (500 m) between the cyclotron and the radiochemistry facility...
Systematic comparison of two novel, thiol-reactive prosthetic groups for 18F labeling of peptides and proteins with the acylation agent succinimidyl-4-[18F]fluorobenzoate ([18F]SFB)Frank Wuest
Research Center Dresden Rossendorf, Institute for Radiopharmacy, PF 510 119, 01314 Dresden, Germany
Amino Acids 36:283-95. 2009..However, the acylation agent [18F]SFB is the preferred prosthetic group for labeling nLDL under physiological conditions...
Synthesis and application of [18F]FDG-maleimidehexyloxime ([18F]FDG-MHO): a [18F]FDG-based prosthetic group for the chemoselective 18F-labeling of peptides and proteinsFrank Wuest
Research Center Dresden Rossendorf, Institute for Radiopharmacy, PF 510 119, D 01314 Dresden, Germany
Bioconjug Chem 19:1202-10. 2008....
Fluorine-18 labeling of phosphopeptides: a potential approach for the evaluation of phosphopeptide metabolism in vivoSusan Richter
Institute of Radiopharmacy, Research Center Dresden Rossendorf, Dresden, Germany
Biopolymers 92:479-88. 2009..The presented method indicates that radiolabeling of phosphopeptides with [18F]SFB is a promising approach for studying phosphopeptide metabolism in vivo...
Synthesis and radiopharmacological investigation of 3-[4'-[(18)F]fluorobenzylidene]indolin-2-one as possible tyrosine kinase inhibitorTorsten Kniess
Institute of Radiopharmacy, Forschungszentrum Dresden Rossendorf e V, PO Box 510119, D 01314 Dresden, Germany
Bioorg Med Chem 17:7732-42. 2009..After 20min post-injection, only 12% of intact radiotracer has been detected. Consequently, in small animal PET studies with FaDu tumour bearing mice no specific uptake in the tumours could be observed...
Radiosynthesis and radiopharmacological evaluation of cyclin-dependent kinase 4 (Cdk4) inhibitorsLena Koehler
Institute of Radiopharmacy, Research Center Dresden Rossendorf, Dresden, Germany
Eur J Med Chem 45:727-37. 2010..Both imaging techniques showed only little uptake of both radiotracers in the FaDu tumor xenografts...
Expeditious synthesis of steroids containing a 2-methylsulfanyl-acetyl side chain as potential glucocorticoid receptor imaging agentsFrank Wuest
Institut für Radiopharmazie, Forschungszentrum Dresden Rossendorf e V, Postfach 510119, 01314 Dresden, Germany
Steroids 73:69-76. 2008..The obtained radiochemical yield was 20-30%. The specific activity was determined to be 20-40GBq/micromol at the end-of-synthesis, and the radiochemical purity exceeded 98%...
Radiolabeling of multimeric neurotensin(8-13) analogs with the short-lived positron emitter fluorine-18Christina Hultsch
Institute of Radiopharmacy, Research Center Rossendorf, P O Box 51 01 19, D 01314 Dresden, Germany
Appl Radiat Isot 65:818-26. 2007..Therefore, [(18)F]FBAM seems to be the most suitable (18)F-labeling agent for multivalent neurotensin(8-13) derivatives...
Iodine-124: a promising positron emitter for organic PET chemistryLena Koehler
Institute of Radiopharmacy, Research Center Dresden Rossendorf, Dresden, Germany
Molecules 15:2686-718. 2010..The review concludes with a summary and an outlook on the future prospective of using the long-lived positron emitter 124I in the field of organic PET chemistry and molecular imaging...
Synthesis and evaluation of novel multimeric neurotensin(8-13) analogsChristina Hultsch
Institute of Radiopharmacy, Research Center Rossendorf, Germany
Bioorg Med Chem 14:5913-20. 2006..Moreover, within the multimeric neurotensin(8-13) derivatives with neurotensin(8-13) attached via the N-terminus an increasing number of branching units lead to higher binding affinities toward the neurotensin receptor...
Cyclin-dependent kinase 4/6 (cdk4/6) inhibitors: perspectives in cancer therapy and imagingFranziska Graf
Department of Radiopharmaceutical Biology, Institute of Radiopharmacy, Research Center Dresden Rossendorf, P O Box 510119, 01314 Dresden, Germany
Mini Rev Med Chem 10:527-39. 2010..The potential of Cdk4/6 inhibitors, particularly, pyrido[2,3-d]pyrimidine derivatives, as both anti-cancer drugs and 124I- and 18F-radiolabeled tracers for cancer imaging using positron emission tomography is discussed...
Advances in the production, processing and microPET image quality of technetium-94mHeather M Bigott
Department of Chemistry, University of Missouri-Columbia, Columbia, MO 65211, USA
Nucl Med Biol 33:923-33. 2006..Preliminary studies demonstrate that useful images can be obtained with modern image reconstruction algorithms when using a correction for the cascade gamma ray contamination...
