Expression of different survivin variants in gastric carcinomas: first clues to a role of survivin-2B in tumour progression
2002

Survivin Variants in Gastric Cancer

Sample size: 30 publication Evidence: moderate

Author Information

Author(s): Krieg A, Mahotka C, Krieg T, Grabsch H, Müller W, Takeno S, Suschek C V, Heydthausen M, Gabbert H E, Gerharz C D

Primary Institution: Heinrich Heine-University

Hypothesis

The study investigates the expression of different survivin variants in gastric carcinomas and their potential role in tumor progression.

Conclusion

The study demonstrates that survivin-2B expression decreases in advanced stages of gastric cancer, suggesting its role in tumor progression.

Supporting Evidence

  • All gastric carcinomas express survivin-ΔEx3, survivin-2B, and survivin, with survivin being the dominant transcript.
  • Survivin-2B expression significantly decreases in advanced stages of gastric cancer.
  • Survivin expression is found in all major histological types of gastric carcinomas.

Takeaway

This study looked at how different forms of a protein called survivin behave in stomach cancer, finding that one form, survivin-2B, decreases as the cancer gets worse.

Methodology

Quantitative reverse transcriptase polymerase chain reaction (RT-PCR) was performed on RNA samples from 30 gastric carcinomas to analyze survivin variant expression.

Limitations

The study could not analyze survivin-2B and survivin-ΔEx3 protein levels due to the lack of specific antibodies.

Participant Demographics

Patients who underwent gastrectomy for gastric carcinoma.

Statistical Information

P-Value

0.033

Statistical Significance

p=0.033

Digital Object Identifier (DOI)

10.1038/sj.bjc.6600153

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