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Clin Cancer Res. 2004 Mar 15;10(6):2072-81.

Levels of expression of CYR61 and CTGF are prognostic for tumor progression and survival of individuals with gliomas.

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1
Division of Hematology/Oncology, Cedars-Sinai Medical Center, University of California-Los Angeles (UCLA) School of Medicine, Los Angeles, California 90048, USA. xied@ucla.edu

Abstract

The biological properties of CCN proteins include stimulation of cell proliferation, migration, and adhesion, as well as angiogenesis and tumorigenesis. We quantified CYR61, CTGF, WISP-1, and NOV mRNA expression levels in samples from sixty-six primary gliomas and five normal brain samples using quantitative real-time PCR assay. Statistical analysis was performed to explore the links between expression of the CCN genes and clinical and pathological parameters. Overexpression of CYR61, CTGF, WISP-1, and NOV occurred in 48% (32 of 66), 58% (38 of 66), 36% (24 of 66), and 15% (10 of 66) of primary gliomas, respectively. Interestingly, significant associations were found between CYR61 expression versus tumor grade, pathology, gender, and age at diagnosis. Also, a significant correlation existed between CTGF mRNA levels versus tumor grade, gender, and pathology. In contrast to CYR61 and CTGF, no significant association was found between expression of either WISP-1 or NOV versus any of the pathological features. Furthermore, Cox regression analysis showed that CYR61 and CTGF expression had a significant correlation with patient survival. These results suggest that CYR61 and CTGF may play a role in the progression of gliomas; their levels at diagnosis may have prognostic significance; and these proteins might serve as valuable targets for therapeutic intervention.

PMID:
15041728
[Indexed for MEDLINE]
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