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http://purl.uniprot.org/citations/24278465http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Objectives

To study the expression pattern and prognostic significance of SAMSN1 in glioma.

Methods

Affymetrix and Arrystar gene microarray data in the setting of glioma was analyzed to preliminarily study the expression pattern of SAMSN1 in glioma tissues, and Hieratical clustering of gene microarray data was performed to filter out genes that have prognostic value in malignant glioma. Survival analysis by Kaplan-Meier estimates stratified by SAMSN1 expression was then made based on the data of more than 500 GBM cases provided by The Cancer Genome Atlas (TCGA) project. At last, we detected the expression of SAMSN1 in large numbers of glioma and normal brain tissue samples using Tissue Microarray (TMA). Survival analysis by Kaplan-Meier estimates in each grade of glioma was stratified by SAMSN1 expression. Multivariate survival analysis was made by Cox proportional hazards regression models in corresponding groups of glioma.

Results

With the expression data of SAMSN1 and 68 other genes, high-grade glioma could be classified into two groups with clearly different prognoses. Gene and large sample tissue microarrays showed high expression of SAMSN1 in glioma particularly in GBM. Survival analysis based on the TCGA GBM data matrix and TMA multi-grade glioma dataset found that SAMSN1 expression was closely related to the prognosis of GBM, either PFS or OS (P<0.05). Multivariate survival analysis with Cox proportional hazards regression models confirmed that high expression of SAMSN1 was a strong risk factor for PFS and OS of GBM patients.

Conclusion

SAMSN1 is over-expressed in glioma as compared with that found in normal brains, especially in GBM. High expression of SAMSN1 is a significant risk factor for the progression free and overall survival of GBM."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.org/dc/terms/identifier"doi:10.1371/journal.pone.0081905"xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Chen J."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Chen C."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Hu G."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Lu Y."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Zhou J."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Zhang L."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Yan Y."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Xu T."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Zou Y."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Fu D."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/author"Qin R."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/date"2013"xsd:gYear
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/name"PLoS One"xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/pages"e81905"xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/title"SAMSN1 is highly expressed and associated with a poor survival in glioblastoma multiforme."xsd:string
http://purl.uniprot.org/citations/24278465http://purl.uniprot.org/core/volume"8"xsd:string
http://purl.uniprot.org/citations/24278465http://www.w3.org/2004/02/skos/core#exactMatchhttp://purl.uniprot.org/pubmed/24278465
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