Tissue and Serum microRNAs in the KrasG12D Transgenic Animal Model and in Patients with Pancreatic Cancer
2011

MicroRNAs in Pancreatic Cancer: Insights from a Mouse Model

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Joseph J. LaConti, Narayan Shivapurkar, Anju Deslattes, Anne Wellstein, Ivana Kim, Sung Eun Marshall, John L. Riegel, Anna T. Wellstein

Primary Institution: Lombardi Cancer Center, Georgetown University

Hypothesis

Circulating microRNAs could provide insight into pathways altered during cancer progression and may indicate responses to treatment.

Conclusion

The study found that changes in microRNA expression patterns during the progression of pancreatic cancer in a mouse model mirrored those observed in human pancreatic cancer tissues.

Supporting Evidence

  • MicroRNA expression patterns in the mouse model were similar to those in human pancreatic cancer tissues.
  • Circulating microRNAs could serve as indicators of drug response.
  • Gemcitabine treatment caused significant changes in circulating microRNA levels.

Takeaway

This study looked at tiny molecules called microRNAs in mice with pancreatic cancer to see if they could help us understand the disease and how well treatments work.

Methodology

The study used a genetically engineered mouse model to analyze microRNA expression in pancreatic tissues and plasma samples from patients.

Potential Biases

Potential bias in the selection of microRNAs and the interpretation of their roles in cancer progression.

Limitations

The study primarily focused on a specific mouse model and may not fully represent human pancreatic cancer complexities.

Participant Demographics

Included patients with pancreatic cancer and other gastrointestinal cancers.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0020687

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