N-cadherin and E-cadherin in Lung Cancer
Author Information
Author(s): Nakashima T, Huang C, Liu D, Kameyama K, Masuya D, Kobayashi S, Kinoshita M, Yokomise H
Primary Institution: Kagawa Medical University
Hypothesis
The study aims to clarify the function of N-cadherin in non-small-cell lung cancers (NSCLCs) and its association with angiogenesis.
Conclusion
N-cadherin expression is associated with tumor angiogenesis and poor survival in patients with undifferentiated large cell carcinomas.
Supporting Evidence
- N-cadherin expression was found in 30.7% of the tumors studied.
- E-cadherin-negative tumors had a higher frequency of lymph node metastases.
- Patients with E-cadherin-negative tumors had a significantly lower 5-year survival rate.
- N-cadherin-positive tumors were more likely to be hypervascular.
- The study included a median follow-up period of 41.1 months.
Takeaway
This study looks at how two proteins, N-cadherin and E-cadherin, affect lung cancer and how they relate to blood vessel growth in tumors.
Methodology
A retrospective clinical study analyzing N-cadherin and E-cadherin expression in NSCLC patients using immunohistochemistry.
Potential Biases
Potential bias from the retrospective nature of the study and the reliance on histopathological evaluations.
Limitations
The study excluded advanced stage lung cancer patients, which may limit the generalizability of the findings.
Participant Demographics
150 NSCLC patients, including 86 with adenocarcinoma, 50 with squamous cell carcinoma, and 14 with large cell carcinoma.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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