Investigation of chromosome 1q reveals differential expression of members of the S100 family in clinical subgroups of intracranial paediatric ependymoma
2008

Study of Chromosome 1q in Pediatric Ependymoma

Sample size: 11 publication Evidence: moderate

Author Information

Author(s): Rand V, Prebble E, Ridley L, Howard M, Wei W, Brundler M-A, Fee B E, Riggins G J, Coyle B, Grundy R G

Primary Institution: Children's Brain Tumour Research Centre, University of Nottingham

Hypothesis

The study aims to investigate the role of 1q genes in intracranial pediatric ependymoma.

Conclusion

The study provides evidence that S100A6 and S100A4 are differentially expressed in clinically relevant subgroups of pediatric ependymoma.

Supporting Evidence

  • Gain of 1q is one of the most common alterations in cancer and has been associated with adverse clinical behaviour in ependymoma.
  • CHI3L1 and S100A10 were identified as the most upregulated genes in the relapse pair with de novo 1q gain.
  • S100A6 significantly correlated with supratentorial tumours.
  • S100A4 correlated with patients under the age of 3 years at diagnosis.

Takeaway

Researchers looked at a part of a chromosome to see how it affects brain tumors in kids, finding some proteins that change based on the type of tumor.

Methodology

The study used comparative genome hybridization and serial analysis of gene expression on tumor samples.

Participant Demographics

The study included pediatric patients, with a significant number under the age of 5.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.001

Digital Object Identifier (DOI)

10.1038/sj.bjc.6604651

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