Survivin Expression in Medulloblastoma
Author Information
Author(s): Fangusaro J R, Jiang Y, Holloway M P, Caldas H, Singh V, Boué D R, Hayes J, Altura R A
Primary Institution: Center for Childhood Cancer Research, Columbus Children's Research Institute, The Ohio State University
Hypothesis
Survivin and its isoforms may serve as biologic markers of tumor morphology and clinical outcome in medulloblastoma.
Conclusion
The study demonstrates that Survivin is a marker of tumor morphology and clinical outcome in medulloblastoma, suggesting its potential as a prognostic tool.
Supporting Evidence
- Survivin was most highly expressed in medulloblastoma compared to normal cerebellar tissue.
- Higher levels of Survivin correlated with worse clinical outcomes.
- The large-cell-anaplastic subtype expressed higher levels of Survivin than the classic subtype.
Takeaway
This study found that a protein called Survivin is linked to how aggressive brain tumors in children are and how well patients do after treatment.
Methodology
The study evaluated Survivin expression in 40 paraffin-embedded medulloblastoma tumors using immunohistochemistry and in 19 fresh-frozen tumors using quantitative PCR.
Limitations
The study may require a larger sample size to confirm the statistical significance of the relationship between Survivin expression and clinical outcomes.
Participant Demographics
The mean age of participants was 8.4 years, with a male to female ratio of 1.85:1.
Statistical Information
P-Value
0.03
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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