Expression of cyclin D3 and cyclin E and identification of distinct clusters of proliferation and apoptosis in diffuse large B-cell lymphomas (Journal article)

Bai, M./ Tsanou, E./ Agnantis, N. J./ Chaidos, A./ Dimou, D./ Skyrlas, A./ Dimou, S./ Vlychou, M./ Galani, V./ Kanavaros, P.

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dc.contributor.authorBai, M.en
dc.contributor.authorTsanou, E.en
dc.contributor.authorAgnantis, N. J.en
dc.contributor.authorChaidos, A.en
dc.contributor.authorDimou, D.en
dc.contributor.authorSkyrlas, A.en
dc.contributor.authorDimou, S.en
dc.contributor.authorVlychou, M.en
dc.contributor.authorGalani, V.en
dc.contributor.authorKanavaros, P.en
dc.date.accessioned2015-11-24T19:16:43Z-
dc.date.available2015-11-24T19:16:43Z-
dc.identifier.issn0213-3911-
dc.identifier.urihttps://olympias.lib.uoi.gr/jspui/handle/123456789/21702-
dc.rightsDefault Licence-
dc.subjectApoptosis/physiologyen
dc.subjectCell Division/physiologyen
dc.subjectCluster Analysisen
dc.subjectCyclin A/biosynthesisen
dc.subjectCyclin D1/biosynthesisen
dc.subjectCyclin D3en
dc.subjectCyclin E/*biosynthesisen
dc.subjectCyclin-Dependent Kinase Inhibitor p16/biosynthesisen
dc.subjectCyclins/*biosynthesisen
dc.subjectHumansen
dc.subjectImmunohistochemistryen
dc.subjectIn Situ Nick-End Labelingen
dc.subjectKi-67 Antigen/biosynthesisen
dc.subjectLymphoma, B-Cell/*metabolism/*pathologyen
dc.subjectMicrofilament Proteins/biosynthesisen
dc.subject*Muscle Proteinsen
dc.subjectRetinoblastoma Protein/biosynthesisen
dc.subjectTumor Suppressor Protein p53/biosynthesisen
dc.titleExpression of cyclin D3 and cyclin E and identification of distinct clusters of proliferation and apoptosis in diffuse large B-cell lymphomasen
heal.typejournalArticle-
heal.type.enJournal articleen
heal.type.elΆρθρο Περιοδικούel
heal.identifier.secondaryhttp://www.ncbi.nlm.nih.gov/pubmed/12647795-
heal.languageen-
heal.accesscampus-
heal.recordProviderΠανεπιστήμιο Ιωαννίνων. Σχολή Επιστημών Υγείας. Τμήμα Ιατρικήςel
heal.publicationDate2003-
heal.abstractIn the present study 79 cases of de novo Diffuse Large B-cell Lymphomas (DLBCL) were studied in order: a) to analyse the expression of cyclin D3, cyclin E and cyclin D1 in relation to other proliferative features (expression of Ki67, cyclin A and cyclin B1), the apoptosis status and the expression of p53, Rb, p16 and p27; and b) to determine whether distinct clusters of proliferation and apoptosis could be identified in DLBCL. Overexpression of cyclin D3 and cyclin E was found in 35/79 (43%) and 18/79 (22%) cases, respectively, whereas overexpression of cyclin D1 was not detected in any case. In most cases (39/46) overexpression of cyclin D3 and cyclin E was mutually exclusive possibly reflecting different underlying pathways inducing deregulated expression of these cyclins. In most cases (29/35) overexpression of cyclin D3 was mutually exclusive with Rb/p16 aberrant expression status supporting an oncogenic role for cyclin D3 and suggesting that the pathogenetic effect of cyclin D3 overexpression occurs through perturbation of the Rb1 pathway. Combined alterations of the P53 and the Rb/p16/cyclin D3 expression status were significantly associated with higher mean values of cyclin A (p=0.023) and cyclin B1 (p=0.033) indicating that concurrent impairment of the p53 and Rb1 pathways induces increased tumour cell proliferation in DLBCL. Cluster analysis of the apoptosis and the proliferation status permitted separation of DLBCL into distinct groups with low (44 cases) and high (18 cases) apoptotic activity and into distinct groups with low (32 cases), intermediate (36 cases) and high (11 cases) proliferative activity. The identification of distinct clusters with respect to the proliferation and the apoptosis status indicates that groups with distinct cellular kinetic properties can be defined in the histological group of DLBCL.en
heal.journalNameHistol Histopatholen
heal.journalTypepeer-reviewed-
heal.fullTextAvailabilityTRUE-
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