Tissue Factor in Lung Cancer and Metastasis
Author Information
Author(s): Sawada M, Miyake S, Ohdama S, Matsubara O, Masuda S, Yakumaru K, Yoshizawa Y
Primary Institution: Tokyo Medical and Dental University
Hypothesis
The study investigates the relationship between tissue factor expression and metastasis in non-small-cell lung cancer.
Conclusion
Tissue factor levels are higher in non-small-cell lung cancer cell lines derived from metastatic lesions compared to those from primary lesions, suggesting its role in metastasis.
Supporting Evidence
- Tissue factor was detected in NSCLC cell lines and evaluated in 55 specimens of surgically resected NSCLCs.
- NSCLC cell lines from metastatic lesions produced significantly higher levels of tissue factor compared to those from primary lesions.
- Immunohistochemical studies showed stronger staining for tissue factor in cells from NSCLC patients with metastasis.
Takeaway
This study found that a substance called tissue factor is more common in lung cancer cells that have spread to other parts of the body.
Methodology
The study used functional studies, Western blot analysis, immunocytochemical staining, and ELISA to evaluate tissue factor expression in NSCLC cell lines and patient specimens.
Participant Demographics
The study included 55 specimens from surgically resected NSCLC patients, with 28 having metastasis and 27 without.
Digital Object Identifier (DOI)
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