Search results for "Cancer of unknown primary site"

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Intracellular signalling via the AKT axis and downstream effectors is active and prognostically significant in cancer of unknown primary (CUP): a stu…

2012

Background: Hypothesising that cancer of unknown primary (CUP) may harbour unique characteristics, we present a translational study of the immunohistochemical expression and clinical correlation of key PTEN/AKT pathway molecules. Patients and methods: We collected 100 paraffin-embedded CUP tissue blocks. We studied using tissue microarrays the expression of PTEN, phospho-AKT, Cyclin D1, p21, phospho-RPS6. From the percentage of staining tumour cells and the literature, we selected cut-offs to classify the expression of each biomolecule. We correlated IHC expression with clinical data. Results: PTEN, pAKT, and pRPS6 showed frequent expression. At univariate analysis, high IHC expression of p…

OncologyMalePathologyP21Signal transductionMitogen activated protein kinaseTissue microarrayCancer riskNeoplasmsSquamous cell carcinomaCarcinomatous peritonitisCancer of unknown primary (cup)MedicineOverall survivalPriority journalSurvival timeUnivariate analysisTissue microarraybiologyUnknown primaryHematologyClassificationPrognosisImmunohistochemistryPtenRetrospective studyOncologyIntracellular signalingImmunohistochemistryFemaleCyclin d1Cancer tissueProtein p21HumanSignal Transductionmedicine.medical_specialtyTranslational studyMajor clinical studyCancer mortalityAdenocarcinomaArticleCyclin D1Disease associationInternal medicineTissue array analysisPTENHumansHuman tissueProtein kinase BPI3K/AKT/mTOR pathwayCancer prognosisSurvival predictionDigestive system cancerbusiness.industryAkt/PKB signaling pathwayAktCancer of unknown primary siteProto-oncogene proteins c-aktRps6Protein kinase bTissue Array Analysisbiology.proteinProtein expressionProgression free survivalProtein s6Neoplasms Unknown PrimarybusinessTissue preparationProto-Oncogene Proteins c-aktAnnals of oncology : official journal of the European Society for Medical Oncology
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