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- W2726662011 abstract "The biological mechanisms underlying early- and advanced-stage epithelial ovarian cancers (EOCs) are still poorly understood. This study explored kinase-driven metabolic signalling in early and advanced EOCs, and its role in tumour progression and response to carboplatin–paclitaxel treatment. Tumour epithelia were isolated from two independent sets of primary EOC (n=72 and 30 for the discovery and the validation sets, respectively) via laser capture microdissection. Reverse phase protein microarrays were used to broadly profile the kinase-driven metabolic signalling of EOC with particular emphasis on the LBK1–AMPK and AKT–mTOR axes. Signalling activation was compared between early and advanced lesions, and carboplatin–paclitaxel-sensitive and -resistant tumours. Advanced EOCs were characterised by a heterogeneous kinase-driven metabolic signature and decreased phosphorylation of the AMPK–AKT–mTOR axis compared to early EOC (P<0.05 for AMPKα T172, AMPKα1 S485, AMPKβ1 S108, AKT S473 and T308, mTOR S2448, p70S6 S371, 4EBP1 S65, GSK-3 α/β S21/9, FOXO1 T24/FOXO3 T32, and FOXO1 S256). Advanced tumours with low relative activation of the metabolic signature and increased FOXO1 T24/FOXO3 T32 phosphorylation (P=0.041) were associated with carboplatin–paclitaxel resistance. If validated in a larger cohort of patients, the decreased AMPK–AKT–mTOR activation and phosphorylation of FOXO1 T24/FOXO3 T32 may help identify carboplatin–paclitaxel-resistant EOC patients." @default.
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- W2726662011 date "2017-06-29" @default.
- W2726662011 modified "2023-10-10" @default.
- W2726662011 title "Kinase-driven metabolic signalling as a predictor of response to carboplatin–paclitaxel adjuvant treatment in advanced ovarian cancers" @default.
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- W2726662011 doi "https://doi.org/10.1038/bjc.2017.195" @default.
- W2726662011 hasPubMedCentralId "https://www.ncbi.nlm.nih.gov/pmc/articles/5558684" @default.
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