Gene/Protein Disease Symptom Drug Enzyme Compound
Pivot Concepts:   Target Concepts:
Query: UMLS:C0017636 (glioblastoma)
 18,345 document(s) hit in 31,850,051 MEDLINE articles (0.00 seconds)

Three new 18F labeled fluoroalkyl tyrosine derivatives, O-(2-[18F]fluoroethyl)-alpha-methyltyrosine (FEMT, [18F]2), O-(2-[18F]fluoroethyl)-2-L-azatyrosine (FEAT, [18F]3), O-(2-[18F]fluoroethyl)-L-tyrosineamide (FETA, [18F]4) have been synthesized and radiofluorinated with 5-34% decay-corrected yield. In vitro studies were carried out in U-138 MG human glioblastoma. Cellular uptake of new tracers was compared to clinically utilized imaging agent O-(2-[18F]fluoroethyl)-L-tyrosine (FET, [18F]1). The uptake of tracers followed the order of FET ([18F]1) > FEAT([18F]3) > FEMT ([18F]2) approximately FETA ([18F]4).
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PMID:Synthesis and in vitro evaluation of 18F labeled tyrosine derivatives as potential positron emission tomography (PET) imaging agents. 2052 79