HIF-1α and Oesophageal Cancer
Author Information
Author(s): Kurokawa T, Miyamoto M, Kato K, Cho Y, Kawarada Y, Hida Y, Shinohara T, Itoh T, Okushiba S, Kondo S, Katoh H
Primary Institution: Hokkaido University Graduate School of Medicine
Hypothesis
Does the expression of HIF-1α correlate with lymph node metastasis and pathologic stage in oesophageal squamous cell carcinoma?
Conclusion
High HIF-1α expression is associated with worse survival and correlates with several adverse clinical factors in oesophageal squamous cell carcinoma.
Supporting Evidence
- High HIF-1α expression was found in 30.8% of the tumours studied.
- HIF-1α expression correlated with depth of tumour invasion and lymph node metastasis.
- Patients with high HIF-1α expression had a significantly worse survival rate.
- High HIF-1α expression was associated with advanced pTNM stage.
- Statistical analysis showed significant correlations with several clinical factors.
Takeaway
This study found that a protein called HIF-1α is linked to more serious cases of oesophageal cancer, which means it could help doctors understand how bad the cancer is.
Methodology
The study analyzed 130 surgical specimens of oesophageal squamous cell carcinoma for HIF-1α immunoreactivity using immunohistochemistry.
Potential Biases
Potential bias from the retrospective nature of the study and the subjective evaluation of immunohistochemical staining.
Limitations
The study is limited by its retrospective design and the exclusion of patients who died in-hospital.
Participant Demographics
113 male and 17 female patients, median age 63 years.
Statistical Information
P-Value
P=0.0007
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website