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Matches in SemOpenAlex for { <https://semopenalex.org/work/W2009292054> ?p ?o ?g. }

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• W2009292054 abstract "Inhibition of the epidermal growth factor receptor (EGFR) has shown clinical success in patients with advanced non-small cell lung cancer (NSCLC). Somatic mutations of EGFR were found in lung adenocarcinoma that lead to exquisite dependency on EGFR signaling; thus patients with EGFR-mutant tumors are at high chance of response to EGFR inhibitors. However, imaging approaches affording early identification of tumor response in EGFR-dependent carcinomas have so far been lacking.We performed a systematic comparison of 3'-Deoxy-3'-[(18)F]-fluoro-L-thymidine ([(18)F]FLT) and 2-[(18)F]-fluoro-2-deoxy-D-glucose ([(18)F]FDG) positron emission tomography (PET) for their potential to identify response to EGFR inhibitors in a model of EGFR-dependent lung cancer early after treatment initiation. While erlotinib-sensitive tumors exhibited a striking and reproducible decrease in [(18)F]FLT uptake after only two days of treatment, [(18)F]FDG PET based imaging revealed no consistent reduction in tumor glucose uptake. In sensitive tumors, a decrease in [(18)F]FLT PET but not [(18)F]FDG PET uptake correlated with cell cycle arrest and induction of apoptosis. The reduction in [(18)F]FLT PET signal at day 2 translated into dramatic tumor shrinkage four days later. Furthermore, the specificity of our results is confirmed by the complete lack of [(18)F]FLT PET response of tumors expressing the T790M erlotinib resistance mutation of EGFR.[(18)F]FLT PET enables robust identification of erlotinib response in EGFR-dependent tumors at a very early stage. [(18)F]FLT PET imaging may represent an appropriate method for early prediction of response to EGFR TKI treatment in patients with NSCLC." @default.
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• W2009292054 date "2008-12-12" @default.
• W2009292054 modified "2023-10-15" @default.
• W2009292054 title "Early Detection of Erlotinib Treatment Response in NSCLC by 3′-Deoxy-3′-[18F]-Fluoro-L-Thymidine ([18F]FLT) Positron Emission Tomography (PET)" @default.
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• W2009292054 doi "https://doi.org/10.1371/journal.pone.0003908" @default.
• W2009292054 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/2592703" @default.
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