MDM4 Gene Mutation Analysis in German Breast Cancer Patients
Author Information
Author(s): Reincke Scarlett, Govbakh Lina, Wilhelm Bettina, Jin Haiyan, Bogdanova Natalia, Bremer Michael, Karstens Johann H, Dörk Thilo
Primary Institution: Hannover Medical School
Hypothesis
Do MDM4 gene alterations play a role in the inherited component of breast cancer susceptibility?
Conclusion
The study found no evidence for a major role of MDM4 coding variants in inherited breast cancer susceptibility among German patients.
Supporting Evidence
- Two MDM4 coding variants were uncovered in 4 out of 40 patients.
- The D153G substitution was found in one patient and was not identified in additional 680 chromosomes screened.
- No association of the c.-103T allele with breast cancer was found in a subsequent screening of 133 patients and 136 controls.
Takeaway
Researchers looked at a gene called MDM4 in breast cancer patients to see if changes in this gene could cause breast cancer, but they didn't find strong evidence that it does.
Methodology
The whole MDM4 coding region and flanking untranslated regions were sequenced in genomic DNA samples from 40 patients, followed by screening selected variants in additional cases and controls.
Limitations
The study had a small sample size and may have missed rare mutations.
Participant Demographics
The study included 40 German patients with familial breast cancer, median age at onset was 48 years.
Statistical Information
P-Value
0.38
Confidence Interval
0.2–2.0
Statistical Significance
p=0.38
Digital Object Identifier (DOI)
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