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dc.contributor.authorSereni, Maria Isabella
dc.contributor.authorBaldelli, Elisa
dc.contributor.authorGambara, Guido
dc.contributor.authorRavaggi, Antonella
dc.contributor.authorHodge, K Alex
dc.contributor.authorAlberts, David S
dc.contributor.authorGuillen-Rodriguez, Jose M
dc.contributor.authorDong, Ting
dc.contributor.authorMemo, Maurizio
dc.contributor.authorOdicino, Franco
dc.contributor.authorAngioli, Roberto
dc.contributor.authorLiotta, Lance A
dc.contributor.authorPecorelli, Sergio L
dc.contributor.authorPetricoin, Emanuel F
dc.contributor.authorPierobon, Mariaelena
dc.date.accessioned2017-09-13T23:29:39Z
dc.date.available2017-09-13T23:29:39Z
dc.date.issued2017-06-29
dc.identifier.citationKinase-driven metabolic signalling as a predictor of response to carboplatin–paclitaxel adjuvant treatment in advanced ovarian cancers 2017, 117 (4):494 British Journal of Canceren
dc.identifier.issn0007-0920
dc.identifier.issn1532-1827
dc.identifier.doi10.1038/bjc.2017.195
dc.identifier.urihttp://hdl.handle.net/10150/625488
dc.description.abstractBackground: 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. Methods: 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. Results: 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 AMPK alpha T172, AMPK alpha 1 S485, AMPK beta 1 S108, AKT S473 and T308, mTOR S2448, p70S6 S371, 4EBP1 S65, GSK-3 alpha/beta 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. Conclusions: 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.
dc.description.sponsorshipCollege of Science, George Mason University, the Istituto Superiore di Sanita (Programma Italia-USA Oncoproteomica) [527/B4/4]; University of Brescia, Italyen
dc.language.isoenen
dc.publisherNATURE PUBLISHING GROUPen
dc.relation.urlhttp://www.nature.com/doifinder/10.1038/bjc.2017.195en
dc.rightsCopyright © 2017, Rights Managed by Nature Publishing Group.en
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectovarian canceren
dc.subjectkinase signallingen
dc.subjectmetabolismen
dc.subjectreverse phase protein microarrayen
dc.subjectchemo-sensitivityen
dc.titleKinase-driven metabolic signalling as a predictor of response to carboplatin–paclitaxel adjuvant treatment in advanced ovarian cancersen
dc.typeArticleen
dc.contributor.departmentUniv Arizona, Ctr Cancen
dc.identifier.journalBritish Journal of Canceren
dc.description.note12 month embargo; published online: 29 June 2017 / Creative Commons Attribution-NonCommercial-Share-Alike 3.0en
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en
dc.eprint.versionFinal published versionen
refterms.dateFOA2018-06-30T00:00:00Z
html.description.abstractBackground: 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. Methods: 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. Results: 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 AMPK alpha T172, AMPK alpha 1 S485, AMPK beta 1 S108, AKT S473 and T308, mTOR S2448, p70S6 S371, 4EBP1 S65, GSK-3 alpha/beta 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. Conclusions: 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.


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