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  • 1
    Keywords: CANCER ; EXPRESSION ; SURVIVAL ; tumor ; CELL ; Germany ; human ; COHORT ; PROTEIN ; PROTEINS ; cell line ; TISSUE ; TUMORS ; LINES ; PATIENT ; FAMILY ; CARCINOGENESIS ; TISSUES ; CELL-LINES ; LESIONS ; PROGRESSION ; immunohistochemistry ; CELL-LINE ; LINE ; LOCALIZATION ; POLYMERASE-CHAIN-REACTION ; adenocarcinoma ; ADENOCARCINOMAS ; pathology ; OVEREXPRESSION ; cell lines ; pancreatic cancer ; protein expression ; chemoresistance ; SUBCELLULAR-LOCALIZATION ; SUBSET ; pancreas ; PANCREATIC-CANCER ; FAMILIES ; DUCTAL ADENOCARCINOMA ; polymerase chain reaction ; TUMOR TISSUE ; LEVEL ; analysis ; methods ; pancreatic ; RARE ; SURVIVAL-DATA ; Reverse Transcriptase Polymerase Chain Reaction
    Abstract: AIMS: To determine the role of two antiapoptotic proteins of the IAP family, cIAP1 and cIAP2, in human pancreatic carcinogenesis. METHODS: mRNA levels were measured in pancreatic tissues and pancreatic cancer cell lines by quantitative reverse-transcriptase polymerase chain reaction (QRT-PCR). Protein expression was assessed in pancreatic cancer cell lines by immunoblotting and in pancreatic tissues by immunohistochemistry and correlated with pathological and survival data. RESULTS: cIAP1 expression was constantly high in non-neoplastic pancreatic tissues, in PanIN lesions, as well as in a subset of primary and metastatic pancreatic ductal adenocarcinomas (PDAC), and a preferential cytoplasmatic localization was observed in the tumor tissues. cIAP1 expression was rare in a cohort of cystic tumors. cIAP2 mRNA levels were significantly higher (2.4 fold) in PDAC than in the normal tissues. cIAP2 protein was overexpressed in PDAC and was detectable in low-grade and high-grade PanIN lesions. Moreover, cIAP2 was frequently expressed in pancreatic cystic tumors. cIAP1 and cIAP2 mRNA and protein were detected in all the examined cell lines. Survival analysis revealed a shorter survival in patients with cIAP1/cIAP2-positive tumors. CONCLUSIONS: cIAP1 might contribute to the regulation of the apoptotic process in the normal and in the neoplastic pancreas, depending on its subcellular localization. cIAP2 overexpression is a frequent and early event in pancreatic cancer progression and could therefore potentially influence important pathophysiological aspects of PDAC, such as anoikis or chemoresistance
    Type of Publication: Journal article published
    PubMed ID: 16775116
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  • 2
    Abstract: The 18th international papillomavirus conference took place in Barcelona, Spain in July 2000. The HPV clinical workshop was jointly organised with the annual meeting of the Spanish Association of Cervical Pathology and Colposcopy. The conference included 615 abstracts describing ongoing research in epidemiology, diagnosis/screening, treatment/prognosis, immunology/human immunodeficiency virus, vaccine development/trials, transformation/progression, replication, transcription/translation, viral protein functions, and viral and host interactions. This leader summarises the highlights presented at the conference (the full text of the abstracts and lectures can be found at Relevant material in Spanish can be found at www.aepcc. org.
    Type of Publication: Journal article published
    PubMed ID: 11253126
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