Abstract：
:Syndecan-1 has been implicated in tumorigenesis and progression of various human malignancies. Recent studies have demonstrated that syndecan-1 may have a different function and biological activity depending on the specific tumor type. Therefore, the aim of this study was to investigate the clinical significance of syndecan-1 in human gliomas. One hundred and sixteen glioma patients (26 World Health Organization (WHO) grade I, 30 WHO grade II, 30 WHO grade III, and 30 WHO grade IV) and 15 normal brain specimens acquired from 15 patients undergoing surgery for epilepsy as control were collected. Immunohistochemistry assay, quantitative real-time PCR and Western blot analysis were carried out to detect the expression of syndecan-1 at gene and protein levels in glioma samples with different WHO grades. Syndecan-1 gene and protein levels were both higher in glioma tissues compared to controls (both P < 0.001). In addition, its expression levels increased with ascending tumor WHO grades according to the results of immunohistochemistry assay, quantitative real-time PCR and Western blot analysis. Moreover, the survival rate of syndecan-1-positive patients was significantly lower than that of syndecan-1-negative patients (P = 0.006). We further confirmed that the increased expression of syndecan-1 was an independent prognostic indicator in glioma by multivariate analysis (P = 0.01). Our data suggest for the first time that the increased expression of syndecan-1 at gene and protein levels is correlated with advanced tumor progression and poor outcome in patients with glioma. Syndecan-1 might serve as a potential prognosis predictor of this dismal tumor.
journal_name
Mol Biol Repjournal_title
Molecular biology reportsauthors
Xu Y,Yuan J,Zhang Z,Lin L,Xu Sdoi
10.1007/s11033-012-1767-9subject
Has Abstractpub_date
2012-09-01 00:00:00pages
8979-85issue
9eissn
0301-4851issn
1573-4978journal_volume
39pub_type
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