2024
Molecular characteristics of advanced colorectal cancer and multi-hit PIK3CA mutations
Yasin F, Sokol E, Vasan N, Pavlick D, Huang R, Pelletier M, Levy M, Pusztai L, Lacy J, Zhang J, Ross J, Cecchini M. Molecular characteristics of advanced colorectal cancer and multi-hit PIK3CA mutations. The Oncologist 2024, oyae259. PMID: 39401325, DOI: 10.1093/oncolo/oyae259.Peer-Reviewed Original ResearchAdvanced colorectal cancerPIK3CA mutationsColorectal cancerPI3K inhibitionPI3K inhibitorsBurden of colorectal cancerActivating mutationsResponse to PI3K inhibitionSensitive to PI3K inhibition.Foundation Medicine databaseMetastatic colorectal cancerClinically relevant mutationsMicrosatellite instability-highPI3K signalingTumor DNAPIK3CA variantsClinical carePIK3CA oncogeneClinical variablesE545KGenomic profilingPIK3CAE542KMedicine DatabasePatients
2009
Correlation of PIK3CA mutation-associated gene expression signature (PIK3CA-GS) with deactivation of the PI3K pathway and with prognosis within the luminal-B ER+ breast cancers
Loi S, Haibe-Kains B, Lallemand F, Pusztai L, Bardelli A, Gillett C, Ellis P, Piccart-Gebhart M, Phillips W, McArthur G, Sotiriou C. Correlation of PIK3CA mutation-associated gene expression signature (PIK3CA-GS) with deactivation of the PI3K pathway and with prognosis within the luminal-B ER+ breast cancers. Journal Of Clinical Oncology 2009, 27: 533-533. DOI: 10.1200/jco.2009.27.15_suppl.533.Peer-Reviewed Original ResearchPI3K pathwayBreast cancerPIK3CA mutationsMutation statusGene expression signaturesK pathwayClinical outcomesLuminal B breast cancerLuminal BC subtypePIK3CA mutation statusBetter clinical outcomesIndependent prognostic informationB breast cancerExpression signaturesPI3K inhibitorsPI3K inhibitionBC cohortDistinct gene expression signaturesEndocrine therapyBC samplesBC subtypesPrognostic informationFavorable outcomeEstrogen receptorMutation carriers
2008
An Integrative Genomic and Proteomic Analysis of PIK3CA, PTEN, and AKT Mutations in Breast Cancer
Stemke-Hale K, Gonzalez-Angulo AM, Lluch A, Neve RM, Kuo WL, Davies M, Carey M, Hu Z, Guan Y, Sahin A, Symmans WF, Pusztai L, Nolden LK, Horlings H, Berns K, Hung MC, van de Vijver MJ, Valero V, Gray JW, Bernards R, Mills GB, Hennessy BT. An Integrative Genomic and Proteomic Analysis of PIK3CA, PTEN, and AKT Mutations in Breast Cancer. Cancer Research 2008, 68: 6084-6091. PMID: 18676830, PMCID: PMC2680495, DOI: 10.1158/0008-5472.can-07-6854.Peer-Reviewed Original ResearchConceptsPIK3CA mutationsBreast cancerAKT1 mutationsPTEN lossPathway aberrationsHormone receptor-positive breast cancer patientsHormone receptor-positive breast cancerPTEN mutationsReceptor-positive breast cancer patientsHormone receptor-positive cancersPI3K pathway aberrationsCell linesReceptor-positive breast cancerAdjuvant tamoxifen therapyReceptor-positive cancersBreast cancer patientsDifferent breast cancer subtypesDownstream PI3K/AktBasal-like tumorsBreast cancer subtypesHuman breast cancerPI3K inhibitor LY294002PI3K/AktK inhibitor LY294002PI3K inhibition