Heme Oxygenase-1 and Nasopharyngeal Carcinomas Response to Radiotherapy
Author Information
Author(s): Shi Lei, Fang Jun
Primary Institution: Department of Otorhinolaryngology, the first affiliated hospital of China Medical University
Hypothesis
Does the expression of heme oxygenase-1 (HO-1) affect the sensitivity of nasopharyngeal carcinomas to radiotherapy?
Conclusion
High expression of HO-1 in nasopharyngeal carcinomas is associated with resistance to radiotherapy.
Supporting Evidence
- 59.4% of nasopharyngeal carcinoma samples expressed HO-1.
- Patients with high HO-1 expression had a tumor regression rate of only 6.9% after radiotherapy.
- Patients with negative HO-1 expression had an average tumor regression of 49.6%.
Takeaway
This study found that patients with nasopharyngeal cancer who have high levels of a protein called HO-1 do not respond well to radiation treatment.
Methodology
Thirty-two nasopharyngeal carcinoma samples were analyzed for HO-1 expression using RT-PCR, and the response to radiotherapy was evaluated by tumor size reduction.
Limitations
The study does not explore the long-term effects of HO-1 expression on patient outcomes.
Participant Demographics
20 males and 12 females, mean age 58.9 years (range 36–78).
Statistical Information
P-Value
p<0.0005
Statistical Significance
p<0.0005
Digital Object Identifier (DOI)
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