DBCCR1 Gene Changes in Oral Cancer
Author Information
Author(s): Gao S, Worm J, Guldberg P, Eiberg H, Krogdahl A, Sørensen J A, Liu C-J, Reibel J, Dabelsteen E
Primary Institution: Department of Oral Diagnostics, School of Dentistry, University of Copenhagen
Hypothesis
The study aims to examine for loss of heterozygosity at the 9q33 region and determine the methylation status of the DBCCR1 gene in oral squamous cell carcinomas and potentially malignant oral lesions.
Conclusion
The study found that loss of heterozygosity and hypermethylation of the DBCCR1 gene are common in oral squamous cell carcinomas, suggesting its role as a tumor suppressor.
Supporting Evidence
- Hypermethylation of the DBCCR1 gene promoter was present in 44% of oral squamous cell carcinomas.
- Loss of heterozygosity at the 9q33 region was found in 32% of oral squamous cell carcinomas.
- Hypermethylation of DBCCR1 was also found in adjacent normal tissues in some cases.
Takeaway
This study looked at changes in a gene called DBCCR1 in people with oral cancer, finding that many had problems with this gene that could help explain how the cancer develops.
Methodology
The study involved analyzing surgical specimens for loss of heterozygosity and methylation status using microsatellite markers and methylation-specific PCR.
Limitations
The sample size was limited, which may affect the generalizability of the findings.
Participant Demographics
The median age of participants was 60 years, with 6 women and 32 men.
Statistical Information
P-Value
0.057
Statistical Significance
p=0.057
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website