PROX1 is a predictor of survival for gliomas WHO grade II.

Abstract:

BACKGROUND:The clinical course of World Health Organisation grade II gliomas remains variable and their time point of transformation into a more malignant phenotype is unpredictable. Identification of biological markers that can predict prognosis in individual patients is of great clinical value. PROX1 is a transcription factor that has a critical role in the development of various organs. PROX1 has been ascribed both oncogenic and tumour suppressive functions in human cancers. We have recently shown that PROX1 may act as a diagnostic marker for high-grade gliomas. The aim of this study was to address the prognostic value of PROX1 in grade II gliomas. METHODS:A total of 116 samples were evaluated for the presence of PROX1 protein. The number of immunopositive cells was used as a variable in survival analysis, together with established prognostic factors for this patient group. RESULTS:Higher PROX1 protein was associated with poor outcome. In the multivariate analysis, PROX1 was identified as an independent factor for survival (P=0.024), together with the presence of mutated isocitrate dehydrogenase 1 R132H protein, and with combined losses of chromosomal arms 1p/19q in oligodendrocytic tumours. CONCLUSION:PROX1 is a novel predictor of survival for grade II gliomas.

journal_name

Br J Cancer

authors

Elsir T,Qu M,Berntsson SG,Orrego A,Olofsson T,Lindström MS,Nistér M,von Deimling A,Hartmann C,Ribom D,Smits A

doi

10.1038/bjc.2011.162

subject

Has Abstract

pub_date

2011-05-24 00:00:00

pages

1747-54

issue

11

eissn

0007-0920

issn

1532-1827

pii

bjc2011162

journal_volume

104

pub_type

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