Discovery of New Molecular Subtypes in Oesophageal Adenocarcinoma
2011

New Subtypes in Oesophageal Adenocarcinoma

Sample size: 87 publication Evidence: moderate

Author Information

Author(s): Berg Daniela, Wolff Claudia, Langer Rupert, Schuster Tibor, Feith Marcus, Slotta-Huspenina Julia, Malinowsky Katharina, Becker Karl-Friedrich

Primary Institution: Technische Universität München, Munich, Germany

Hypothesis

Can new protein signatures improve therapy selection for oesophageal adenocarcinoma patients?

Conclusion

The study identified a new molecular subtype of oesophageal adenocarcinoma that may lead to targeted treatment options.

Supporting Evidence

  • High levels of HER2 and low levels of p-HSP27(Ser15) are linked to poor survival.
  • Patients with low HER2 levels had better survival rates.
  • Cluster analysis revealed significant differences in metastasis status between patient groups.

Takeaway

Doctors found two new groups of patients with oesophageal cancer based on their proteins, which could help them choose better treatments.

Methodology

The study used reverse phase protein arrays to analyze protein expression in tissue samples.

Limitations

The study's findings need confirmation in independent studies.

Participant Demographics

{"age":{"mean":63,"range":"33–82"},"gender":{"female":8,"male":79}}

Statistical Information

P-Value

0.007

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0023985

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