0000000000026566

AUTHOR

Valentina Schiro

showing 4 related works from this author

Is BRCA1-5083del19, identified in breast cancer patients of Sicilian origin, a Calabrian founder mutation?

2007

Various studies have been published in Italy regarding the different BRCA1 mutations, but only the BRCA1-5083del19 mutation is recurrent and specific to individuals of Italian descent with a founder effect on the Calabrian population. In our previous study, BRCA1-5083del19 mutation carriers were found in four index cases of 106 Sicilian patients selected for familial and/or hereditary breast/ovarian cancers. The high frequency rate of this mutation identified in the Sicilian population led us to perform haplotype analysis in all family carriers. Five highly polymorphic microsatellite markers were used (D17S1320, D17S932, D17S1323, D17S1326, D17S1325) to establish whether or not all these fa…

MaleCancer ResearchSettore MED/06 - Oncologia MedicaPopulationBRCA1 breast cancerBreast NeoplasmsBiologyRisk AssessmentAllelotype AnalysisReference ValuesHumansAlleleeducationSicilySequence DeletionOvarian NeoplasmsGeneticseducation.field_of_studyBRCA1 ProteinHaplotypeFounder Effectlanguage.human_languagePedigreeOncologyMutationMutation (genetic algorithm)languageMicrosatelliteFemaleSicilianMicrosatellite RepeatsFounder effect
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4843delC of the BRCA1 gene is a possible founder mutation in Southern Italy (Sicily).

2007

Various studies have been published in Italy regarding the different BRCA1 mutations, but only the BRCA1-5083del19 mutation is recurrent and specific to individuals of Italian descent with a founder effect on the Calabrian population. In our previous study, BRCA1-5083del19 mutation carriers were found in four index cases of 106 Sicilian patients selected for familial and/or hereditary breast/ovarian cancers. The high frequency rate of this mutation identified in the Sicilian population led us to perform haplotype analysis in all family carriers. Five highly polymorphic microsatellite markers were used (D17S1320, D17S932, D17S1323, D17S1326, D17S1325) to establish whether or not all these fa…

MaleBRCA1 gene Founder mutation Haplotype analysis Hereditary breast and ovarian cancer Sicilian patientsSettore MED/06 - Oncologia MedicaGenetic counselingPopulationDNA Mutational AnalysisGenes BRCA1Single-nucleotide polymorphismBreast NeoplasmsBiologyBRCA1 geneHaplotype analysiHumansAlleleeducationAllelotypeFounder mutationSicilyGeneticsOvarian Neoplasmseducation.field_of_studyHaplotypeHematologylanguage.human_languageFounder EffectPedigreeOncologyHaplotypesHaplotype frequencylanguageFemaleSicilianGene DeletionFounder effectGenetic counselingMicrosatellite Repeats
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Targeting apoptosis in solid tumors: the role of bortezomib from preclinical to clinical evidence.

2007

The ubiquitin-proteasome pathway is the main proteolytic system present in the nucleus and cytoplasm of all eukaryotic cells. Apoptosis activation induced by ubiquitin-proteasome pathway inhibition makes the proteasome a new target of anticancer therapy. Bortezomib is the first proteasome inhibitor to be approved by the US FDA; in 2003 as a third line and in 2005 as a second line therapy for the treatment of multiple myeloma only. This review focuses on the use of bortezomib, not only in its therapeutic role but also, more specifically, in its biologic role and discusses the most recent applications of the drug in solid tumors, both at a preclinical and clinical level.

Drugubiquitin-proteasome pathway proteasome inhibitorsSettore MED/06 - Oncologia Medicamedia_common.quotation_subjectClinical BiochemistryDrug Evaluation PreclinicalAntineoplastic AgentsApoptosisPharmacologyBortezomibNeoplasmsDrug DiscoverymedicineAnimalsHumansMultiple myelomamedia_commonPharmacologyClinical Trials as Topicbusiness.industryBortezomibmedicine.diseaseBoronic AcidsProteasomeClinical evidenceCytoplasmApoptosisPyrazinesProteasome inhibitorMolecular Medicinebusinessmedicine.drug
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Molecular detection of TP53, Ki-Ras and p16INK4A promoter methylation in plasma of patients with colorectal cancer and its association with prognosis…

2006

BACKGROUND:Despite the improvement in detection and surgical therapy in the last years, the outcome of patients affected by colorectal carcinoma (CRC) remains limited by metastatic relapse. The aim of this study was to investigate the presence of free tumor DNA in the plasma of CRC patients in order to understand its possible prognostic role. PATIENTS AND METHODS: Ki-Ras, TP53 mutations and p16(INK4A) methylation status were prospectively evaluated in tumor tissues and plasma of 66 CRC patients. RESULTS: In 50 of the 66 primitive tumor cases (76%) at least one significant alteration was identified in Ki-Ras and/or TP53 and/or p16(INK4A) genes. Eighteen of the 50 patients presented the same …

MaleOncologymedicine.medical_specialtySettore MED/06 - Oncologia MedicaColorectal cancerColorectal carcinoma Free-cell DNA Ki-Ras TP53DiseasePolymerase Chain ReactionInternal medicinePromoter methylationHumansMedicineProspective StudiesPromoter Regions GeneticProspective cohort studyneoplasmsPolymorphism Single-Stranded ConformationalAgedNeoplasm StagingP16 geneUnivariate analysisbusiness.industryGenes p16DNA NeoplasmHematologyMethylationDNA MethylationGenes p53Prognosismedicine.diseaseGenes rasOncologyCell-free fetal DNAFemaleColorectal NeoplasmsbusinessAnnals of Oncology
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