Chromosomal Location of Oncosuppressor Genes in Ovarian Tumours
Author Information
Author(s): A. Viell, F. Giannini, L. Tumiotto, F. Sopracordevole, M.C. Visentin, M. Boiocchi
Primary Institution: Centro Riferimento Oncologico, Aviano, Italy
Hypothesis
Are there oncosuppressor genes on chromosome 11 involved in ovarian carcinogenesis?
Conclusion
The study found that loss of heterozygosity on chromosome 11 is common in ovarian carcinomas and may indicate the presence of two oncosuppressor genes.
Supporting Evidence
- 41% of ovarian tumor cases showed loss of heterozygosity at least at one locus.
- Two hot spots of deletions were identified on chromosome 11.
- Significant association between lp deletions and hepatic involvement was found.
Takeaway
This study looked at ovarian cancer and found that a part of chromosome 11 often has missing pieces, which might be important for understanding how the cancer grows.
Methodology
The study analyzed 44 ovarian tumor samples for allelic deletions using Southern blotting.
Limitations
The study may underestimate the frequency of allelic losses due to high constitutional homozygosity in some patients.
Participant Demographics
41 patients with ovarian carcinoma, median age 57.3 years, range 25-77 years.
Statistical Information
P-Value
0.005
Statistical Significance
p=0.005
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