Research Topics
| Wenchao QuSummaryAffiliation: University of Pennsylvania Country: USA Publications
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Publications
Synthesis of optically pure 4-fluoro-glutamines as potential metabolic imaging agents for tumorsWenchao Qu
Department of Radiology, School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
J Am Chem Soc 133:1122-33. 2011....
PET imaging of glutaminolysis in tumors by 18F-(2S,4R)4-fluoroglutamineBrian P Lieberman
Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Nucl Med 52:1947-55. 2011..Recent studies suggest that several tumors may use glutamine as the key nutrient for survival. As an alternative metabolic tracer for tumors, (18)F-(2S,4R)4-fluoroglutamine was developed as a PET tracer for mapping glutaminolytic tumors...
Multidentate (18)F-polypegylated styrylpyridines as imaging agents for Aβ plaques in cerebral amyloid angiopathy (CAA)Zhihao Zha
Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States
J Med Chem 54:8085-98. 2011..The results suggest that [(18)F]8a may be a useful PET imaging agent for selectively detecting Aβ plaques associated with cerebral vessels in the living human brain...
Synthesis and comparative biological evaluation of L- and D-isomers of 18F-labeled fluoroalkyl phenylalanine derivatives as tumor imaging agentsLimin Wang
Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
Nucl Med Biol 38:301-12. 2011....
Synthesis and evaluation of 18F labeled alanine derivatives as potential tumor imaging agentsLimin Wang
Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Nucl Med Biol 39:933-43. 2012..This paper reports the synthesis and labeling of (18)F alanine derivatives. We also investigate their biological characteristics as potential tumor imaging agents mediated by alanine-serine-cysteine preferring (ASC) transporter system...
Preparation and characterization of L-[5-11C]-glutamine for metabolic imaging of tumorsWenchao Qu
Departments of Radiology and Pharmacology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Nucl Med 53:98-105. 2012....
Comparative evaluation of 18F-labeled glutamic acid and glutamine as tumor metabolic imaging agentsKarl Ploessl
Department of Radiology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Nucl Med 53:1616-24. 2012..CONCLUSION: Differences in uptake and metabolism in tumor cells were found between (18)F-(2S,4R)4F-GLN and (18)F-(2S,4R)4F-GLU. Both agents are potentially useful as metabolic tracers for tumor imaging...
5-[18F]Fluoroalkyl pyrimidine nucleosides: probes for positron emission tomography imaging of herpes simplex virus type 1 thymidine kinase gene expressionAnn Marie Chacko
Institute for Environmental Medicine, Targeted Therapeutics Program, University of Pennsylvania, Philadelphia, PA 19104, USA
Nucl Med Biol 36:29-38. 2009....
Synthesis and in vitro evaluation of 18F labeled tyrosine derivatives as potential positron emission tomography (PET) imaging agentsLimin Wang
Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
Bioorg Med Chem Lett 20:3482-5. 2010..The uptake of tracers followed the order of FET ([18F]1) > FEAT([18F]3) > FEMT ([18F]2) approximately FETA ([18F]4)...
Facile synthesis [5-(13)C-4-(2)H(2)]-L-glutamine for hyperpolarized MRS imaging of cancer cell metabolismWenchao Qu
Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Acad Radiol 18:932-9. 2011..This suggests that hyperpolarized (13)C glutamine may be useful as a magnetic resonance spectroscopy (MRS) imaging agent for detecting changes in glutamine metabolism in cancerous cells or tissues...
Synthesis, uptake mechanism characterization and biological evaluation of (18)F labeled fluoroalkyl phenylalanine analogs as potential PET imaging agentsLimin Wang
Department of Chemistry, University of Pennsylvania, Philadelphia, PA 19104, USA
Nucl Med Biol 38:53-62. 2011....
Synthesis and in vitro evaluation of 5-[(18)f]fluoroalkyl pyrimidine nucleosides for molecular imaging of herpes simplex virus type 1 thymidine kinase reporter gene expressionAnn Marie Chacko
Department of Pharmacology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Med Chem 51:5690-701. 2008....
Iodophenyl tagged sphingosine derivatives: synthesis and preliminary biological evaluationWenchao Qu
Department of Radiology, University of Pennsylvania, 3700 Market Street, Room 305, Philadelphia, PA 19104, United States
Bioorg Med Chem Lett 19:3382-5. 2009..In vitro enzyme assays indicated that the molecules, 5c-e, are potent inhibitors. Thus, they deserve further evaluation as potential radioactive probes for tumor imaging...
Synthesis and evaluation of indolinyl- and indolylphenylacetylenes as PET imaging agents for beta-amyloid plaquesWenchao Qu
Department of Radiology, University of Pennsylvania, 3700 Market Street, Room 305, Philadelphia, PA 19104, USA
Bioorg Med Chem Lett 18:4823-7. 2008..These preliminary results identified that indolylphenylacetylene, 14, may be a good lead for further structural modification to develop a useful Abeta plaque imaging agent...
A novel gallium bisaminothiolate complex as a myocardial perfusion imaging agentKarl Plossl
Department of Radiology, University of Pennsylvania, Philadelphia, PA 19104, USA
Nucl Med Biol 35:83-90. 2008..In conclusion, the new N(2)S(2) ligand was readily prepared and labeled with radioactive (67)Ga. Biodistribution in rats revealed high initial heart uptake and relatively high retention reflecting regional myocardial perfusion...
Synthesis of 5-fluoroalkylated pyrimidine nucleosides via Negishi cross-couplingAnn Marie Chacko
Department of Pharmacology, University of Pennsylvania, 3700 Market Street, Suite 305, Philadelphia, Pennsylvania 19104, USA
J Org Chem 73:4874-81. 2008..Furthermore, this methodology has been extended to create a series of 13 5-alkyl-substituted nucleosides, including the target nucleosides 5 and 5-silyloxypropyl and 5-cyanobutyl derivatives...
Novel styrylpyridines as probes for SPECT imaging of amyloid plaquesWenchao Qu
Department of Radiology and Pharmacology, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA
J Med Chem 50:2157-65. 2007..Taken together, these results strongly suggest that these styrylpyridines are useful for imaging Abeta plaques in the living human brain...
