6533b86efe1ef96bd12cba55

RESEARCH PRODUCT

Immunohistochemical evaluation of PCNA, p53, HSP60, HSP10 and MUC-2 presence and expression in prostate carcinogenesis

F. CappelloFrancesca RappaS. DavidR. AnzaloneG. Zummo

subject

MaleProstatic Intraepithelial NeoplasiaMucin-2Cancer ResearchGene Expression ProfilingMucinsProstatic HyperplasiaProstateProstatic NeoplasmsCarcinogenesis; Heat-shock proteins; Prostate; Cancer Research; OncologyCell DifferentiationChaperonin 60AdenocarcinomaGenes p53ImmunohistochemistryNeoplasm ProteinsHeat-shock proteinCell Transformation NeoplasticOncologyProliferating Cell Nuclear AntigenChaperonin 10Disease ProgressionHumansTumor Suppressor Protein p53Carcinogenesi

description

Background: The study of the expression of different biological markers in non-neoplastic, pre-neoplastic and neoplastic lesions of prostate could help to better understand their role in carcinogenesis and to find new diagnostic and prognostic tools. Materials and Methods: In the present work we evaluated, by immunohistochemistry, the presence and the expression of PCNA, p53, HSP60, HSP10 and MUC-2 in a series of nodular hyperplasia, low- and high-grade prostatic intraepithelial lesions and adenocarcinomas. Results: Our data confirmed that: 1) PCNA expression could be related to the grade of progression of cancer; and that 2) p53 mutation could be a late event in prostate carcinogenesis. Moreover, we reported that: 1) HPS60 and HPS10 were overexpressed early in prostate carcinogenesis; and that 2) MUC-2 is absent in both tumoral and non-tumoral prostatic tissue. Conclusion: We suggest the further examination, by molecular and genetic studies, of the role of HSP60 and HSP10 during carcinogenesis of the prostate as well as of other organs.

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