AQP5's Role in Lung Cancer Invasion
Author Information
Author(s): Chae Young Kwang, Woo Janghee, Kim Mi-Jung, Kang Sung Koo, Kim Myoung Sook, Lee Juna, Lee Seung Koo, Gong Gyungyub, Kim Yong Hee, Soria Jean Charles, Jang Se Jin, Sidransky David, Moon Chulso
Primary Institution: Asan Medical Center, College of Medicine, Ulsan University
Hypothesis
Does AQP5 expression promote tumor invasion in non-small cell lung cancer (NSCLC)?
Conclusion
AQP5 expression is associated with increased tumor invasion and worse prognosis in NSCLC patients.
Supporting Evidence
- AQP5 was expressed in 35.3% of NSCLC tissue samples.
- AQP5-positive cases had a higher rate of tumor recurrence (54.7% vs. 35.1%).
- AQP5 overexpression was linked to worse disease-free survival (p=0.011).
- Cells expressing AQP5 showed increased invasion compared to those with AQP5 mutants.
Takeaway
AQP5 is a protein that helps cancer cells spread in lung cancer, and when it's present, patients tend to do worse.
Methodology
Immunohistochemistry was used to analyze AQP5 expression in NSCLC tissues, and invasion assays were performed using cell lines.
Potential Biases
Potential bias in scoring immunohistochemistry due to subjective interpretation.
Limitations
The study did not control for treatment methods and had a limited sample size for metastatic cases.
Participant Demographics
The study included 408 NSCLC patients with a mean age of 63.3 years.
Statistical Information
P-Value
0.005
Confidence Interval
95% CI: 1.04–2.23
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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