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01-04-2010 | Laboratory Investigation - Human/Animal Tissue

The cell growth inhibitory transcription factor C/EBPδ is expressed in human meningiomas in association with low histological grade and proliferation index

Authors: V. Barresi, E. Vitarelli, S. Cerasoli, G. Barresi

Published in: Journal of Neuro-Oncology | Issue 2/2010

Abstract

CCAAT/enhancer binding protein (C/EBP) δ is a transcription factor which has been demonstrated to mediate the growth arrest of mammary and prostate cancer cell lines. It is induced by several stimuli including inflammatory cytokines. In this study, C/EBPδ immunohistochemical expression was assessed in 49 meningiomas of different histotype and grade and correlated with a variety of clinico-pathological data and with the overall and recurrence-free survival of the patients. Positive staining was observed in the nuclei of neoplastic cells in 22 out of the 49 cases analyzed. C/EBPδ expression was significantly associated with a low histological grade and proliferation index, reflected by low Ki-67 labeling index (LI) and mitotic activity, and with the presence of intra-tumoral inflammatory infiltrate and the absence of necrosis. In addition, the absence of C/EBPδ was significantly correlated with a shorter disease-free interval. Our findings suggest that C/EBPδ expression may prevent the development of recurrences by inhibition of neoplastic growth in meningiomas. If further studies confirm its induction by inflammatory mediators, this might be exploited in novel therapies to prevent recurrences in meningiomas.

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Title: The cell growth inhibitory transcription factor C/EBPδ is expressed in human meningiomas in association with low histological grade and proliferation index
Authors: V. Barresi
E. Vitarelli
S. Cerasoli
G. Barresi
Publication date: 01-04-2010
Publisher: Springer US
Published in: Journal of Neuro-Oncology / Issue 2/2010
Print ISSN: 0167-594X
Electronic ISSN: 1573-7373
DOI: https://doi.org/10.1007/s11060-009-0024-0

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The cell growth inhibitory transcription factor C/EBPδ is expressed in human meningiomas in association with low histological grade and proliferation index

Abstract

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Abstract

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