0000000000765616

AUTHOR

Marco Silano

showing 2 related works from this author

PD-L1 in small bowel adenocarcinoma is associated with etiology and tumor-infiltrating lymphocytes, in addition to microsatellite instability

2020

Small bowel adenocarcinomas (SBAs) are often associated with poor prognosis and have limited therapeutic options. Programmed cell death protein-1 (PD-1)/programmed cell death ligand 1 (PD-L1) pathway blockade is an effective treatment in many microsatellite instability-high (MSI-H) solid tumors. We aimed at investigating PD-L1 and PD-1 expression in non-hereditary, non-ampullary SBAs, associated with celiac disease (CeD), Crohn’s disease (CrD), or sporadic, recruited through the Small Bowel Cancer Italian Consortium. We assessed PD-L1 and PD-1 by immunohistochemistry in a series of 121 surgically resected SBAs, including 34 CeD-SBAs, 49 CrD-SBAs, and 38 sporadic SBAs. PD-L1 and PD-1 express…

0301 basic medicineMalePD-L1 - small bowel adenocarcinoma - tumor-infiltrating lymphocytes - microsatellite instabilityPathologyBLOCKADEColorectal cancerLymphocyteSmall bowel adenocarcinomaGastroenterologyB7-H1 AntigenSettore MED/120302 clinical medicineCrohn DiseaseIntestine Smallsmall bowel adenocarcinomaSmall bowel adenocarcinomasMEDULLARY CARCINOMA; MORPHOLOGY; EXPRESSION; BLOCKADE; CANCERbiologymicrosatelliteinstabilityMiddle AgedCANCERmedicine.anatomical_structureMedullary carcinomatumor infiltrating lymphocytes030220 oncology & carcinogenesistumor-infiltrating lymphocytesAdenocarcinomaFemaleMicrosatellite InstabilityPD-L1Adultmedicine.medical_specialtysmall bowel adenocarcinoma tumor-infiltrating lymphocytes microsatelliteinstabilitySettore MED/08 - Anatomia PatologicaAdenocarcinomaMEDULLARY CARCINOMAPD-L1 small bowel adenocarcinomaNOPathology and Forensic Medicine03 medical and health sciencesLymphocytes Tumor-InfiltratingInternal medicinePD-L1expressionIntestinal NeoplasmsBiomarkers TumormedicineHumansPD-L1; small bowel adenocarcinoma; tumor infiltrating lymphocytesPD-L1 in small bowel adenocarcinoma MSI-HSmall bowel adenocarcinoma expression microsatellite instability biomarkersAgedRetrospective Studiesbusiness.industryTumor-infiltrating lymphocytesbiomarkersCancerCorrectionMicrosatellite instabilitymedicine.diseaseCeliac Disease030104 developmental biologybiology.proteinEtiologyMORPHOLOGYbusiness
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Small Bowel Carcinomas in Coeliac or Crohn’s Disease: Clinico-pathological, Molecular, and Prognostic Features. A Study From the Small Bowel Cancer I…

2017

Background and aims An increased risk of small bowel carcinoma [SBC] has been reported in coeliac disease [CD] and Crohn's disease [CrD]. We explored clinico-pathological, molecular, and prognostic features of CD-associated SBC [CD-SBC] and CrD-associated SBC [CrD-SBC] in comparison with sporadic SBC [spo-SBC]. Methods A total of 76 patients undergoing surgical resection for non-familial SBC [26 CD-SBC, 25 CrD-SBC, 25 spo-SBC] were retrospectively enrolled to investigate patients' survival and histological and molecular features including microsatellite instability [MSI] and KRAS/NRAS, BRAF, PIK3CA, TP53, HER2 gene alterations. Results CD-SBC showed a significantly better sex-, age-, and st…

Male0301 basic medicineNeuroblastoma RAS viral oncogene homologOncologySurvivalReceptor ErbB-2Colorectal cancermedicine.disease_causeInflammatory bowel diseaseInflammatory bowel diseasetumour-infiltrating lymphocyteErbB-20302 clinical medicineCrohn DiseaseRetrospective StudieRisk Factors80 and overChildClass I Phosphatidylinositol 3-KinaseAged 80 and overColonic NeoplasmSettore MED/12 - GastroenterologiaCrohn's diseaseMLH1 methylationTumour-infiltrating lymphocytesGastroenterologyGeneral MedicineMiddle AgedPrognosisInflammatory bowel disease; Microsatellite instability; MLH1 promoter methylation; Survival; Tumour-infiltrating lymphocytes; Gastroenterology030220 oncology & carcinogenesisColonic NeoplasmsSurvival AnalysiKRASHumanReceptorAdultProto-Oncogene Proteins B-rafmedicine.medical_specialtyPrognosiClass I Phosphatidylinositol 3-KinasesSettore MED/08 - Anatomia PatologicaNOProto-Oncogene Proteins p21(ras)MLH1 promoter methylationYoung Adult03 medical and health sciencesInternal medicinemedicineCarcinomaHumansMLH1 methylation; inflammatory bowel disease; microsatellite instability; survival; tumour-infiltrating lymphocytesneoplasmsAgedRetrospective StudiesInflammatory bowel disease; Microsatellite instability; MLH1 promoter methylation; Survival; Tumour-infiltrating lymphocytes; Adult; Aged; Aged 80 and over; Celiac Disease; Child; Class I Phosphatidylinositol 3-Kinases; Colonic Neoplasms; Crohn Disease; Humans; Male; Microsatellite Instability; Middle Aged; Prognosis; Proto-Oncogene Proteins B-raf; Proto-Oncogene Proteins p21(ras); Receptor ErbB-2; Retrospective Studies; Risk Factors; Survival Analysis; Tumor Suppressor Protein p53; Young Adult; Gastroenterologybusiness.industryTumour-infiltrating lymphocyteRisk FactorCancerMicrosatellite instabilityinflammatory bowel disease; microsatellite instability; MLH1 promoter methylation; tumour-infiltrating lymphocytes; survivalmedicine.diseaseSurvival Analysiseye diseasesdigestive system diseasesCeliac Disease030104 developmental biologyMicrosatellite instabilityTumor Suppressor Protein p53businessJournal of Crohn's and Colitis
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