Study of ST7 Gene Mutations in Tumors
Author Information
Author(s): Brown V L, Proby C M, Barnes D M, Kelsell D P
Primary Institution: Centre for Cutaneous Research, Barts and The London, Queen Mary's School of Medicine and Dentistry
Hypothesis
Is the ST7 gene mutated in various epithelial tumors and cancer cell lines?
Conclusion
The study found that mutations in the ST7 gene are very rare in epithelial cancers and tumor cell lines.
Supporting Evidence
- Only one missense mutation was detected in a breast cancer cell line.
- Previous studies reported more mutations, but this study found none in the examined samples.
- High rates of loss of heterozygosity were observed in breast tumors.
- Mutations were not found in other cancer types examined.
Takeaway
The ST7 gene, which might help prevent cancer, doesn't have many mutations in tumors, suggesting other factors might be more important.
Methodology
Mutational analysis of ST7 exons was performed using denaturing high performance liquid chromatography (DHPLC) on various cancerous and non-cancerous cell lines and primary epithelial cancer tissues.
Limitations
The study may not have detected all possible mutations due to the specific exons analyzed.
Participant Demographics
Included 34 primary breast cancers, 27 sporadic cutaneous squamous cell carcinomas, 34 cancer-derived cell lines, and 27 non-cancerous cell lines.
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website