Loss of heterozygosity in Wilms' tumours and its relation to the WT1 gene
Author Information
Author(s): J.K. Cowell, N. Groves, P. Baird
Primary Institution: ICRF Oncology Group, Institute of Child Health
Hypothesis
Does loss of heterozygosity in Wilms' tumours involve mutations in the WT1 gene?
Conclusion
Loss of heterozygosity in Wilms' tumours is not always related to mutations in the WT1 gene.
Supporting Evidence
- LOH in Wilms' tumours was shown to not always involve mutations in the WT1 gene.
- Previous studies indicated that LOH is only seen in 30% of Wilms' tumours.
- Mutations in the WT1 gene were not found in the tumours analyzed.
Takeaway
Sometimes, when cancer cells lose certain genes, it doesn't mean that the gene responsible for stopping cancer is broken; other genes might be more important.
Methodology
The study analyzed the WT1 gene in five Wilms' tumours using single strand conformation polymorphism analysis and PCR sequencing.
Limitations
The study only analyzed a small number of tumours and did not explore all possible mutations in the WT1 gene.
Participant Demographics
The study included five tumours, some from patients with Denys-Drash syndrome.
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