Linking Sphingosine-1-Phosphate to Glioblastoma Invasiveness
Author Information
Author(s): Natarajan Jeyakumar, Berrar Daniel, Dubitzky Werner, Hack Catherine, Zhang Yonghong, DeSesa Catherine, Van Brocklyn James R, Bremer Eric G
Primary Institution: School of Biomedical Sciences, University of Ulster at Coleraine
Hypothesis
What is the relationship between sphingosine-1-phosphate and the invasiveness of glioblastoma cell lines?
Conclusion
The study suggests that sphingosine-1-phosphate may play a significant role in promoting the invasiveness of glioblastoma cells through specific gene interactions.
Supporting Evidence
- Sphingosine-1-phosphate stimulates motility and invasiveness of glioblastoma cell lines.
- High levels of sphingosine kinase-1 correlate with shorter survival in glioblastoma patients.
- Seventy-two genes were found to be differentially expressed in response to sphingosine-1-phosphate.
Takeaway
This study found that a substance called sphingosine-1-phosphate can make brain cancer cells more aggressive by changing how certain genes work.
Methodology
The study used microarrays to analyze gene expression in glioblastoma cells in response to sphingosine-1-phosphate and performed text mining on full-text articles to identify gene interactions.
Potential Biases
Potential biases may arise from the selection of articles and the inherent limitations of text mining methods.
Limitations
The study's reliance on text mining may introduce noise and ambiguity in gene interactions due to polysemy and case sensitivity in gene names.
Participant Demographics
The study focused on human glioblastoma cell lines, specifically U-373 MG.
Statistical Information
P-Value
0.15
Statistical Significance
p<0.15
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website