Associations among telomerase activity, p53 protein overexpression, and genetic instability in lung cancer
1999

Telomerase Activity and p53 in Lung Cancer

Sample size: 100 publication Evidence: moderate

Author Information

Author(s): Wu X, Kemp B, Amos C I, Honn S E, Zhang W, Walsh G L, Spitz M R

Primary Institution: The University of Texas MD Anderson Cancer Center

Hypothesis

The study aims to assess the associations among p53 protein overexpression, telomerase activity, and genetic instability in lung cancer.

Conclusion

The study found that p53 protein overexpression is common in lung tumors and is associated with increased telomerase activity.

Supporting Evidence

  • Telomerase activity was detectable in 80% of lung tumors studied.
  • p53 protein was overexpressed in 63% of the tumors.
  • p53 overexpression was found in 70% of tumors with telomerase activity.

Takeaway

This study shows that many lung cancer tumors have a protein called p53 that is overactive, which might help the cancer grow by also increasing another activity called telomerase.

Methodology

The study assessed telomerase activity and p53 protein levels in lung tumors and adjacent normal tissues.

Participant Demographics

The study included lung cancer patients with varying age, sex, ethnicity, smoking status, and family history.

Statistical Information

P-Value

6.7-fold increase for positive telomerase activity

Confidence Interval

1.7–27.7

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1038/sj.bjc.6690378

Want to read the original?

Access the complete publication on the publisher's website

View Original Publication