Genetic Variants of RNASEL Gene and Prostate Cancer Risk in Japan
Author Information
Author(s): Nakazato H, Suzuki K, Matsui H, Ohtake N, Nakata S, Yamanaka H
Primary Institution: Gunma University School of Medicine
Hypothesis
The study investigates the role of RNASEL gene polymorphisms in familial prostate cancer risk among a Japanese population.
Conclusion
The Asp541Glu genotype is significantly associated with increased familial prostate cancer risk in the Japanese population.
Supporting Evidence
- The Asp/Asp genotype of codon541 was significantly associated with familial prostate cancer risk.
- The Gln/Gln genotype was not observed in patients with familial prostate cancer.
- More than two affected family members showed a higher frequency of the Asp/Asp genotype.
Takeaway
Researchers looked at a gene called RNASEL to see if it affects the chances of getting prostate cancer in families. They found that one version of the gene makes it more likely to get the disease.
Methodology
The study analyzed RNASEL germline mutations in familial prostate cancer patients using SSCP and direct sequencing methods.
Potential Biases
The study design did not involve prospective recruitment, which could introduce biases.
Limitations
The study had a relatively small sample size and potential biases due to the inclusion criteria for familial prostate cancer.
Participant Demographics
Participants were prostate cancer patients with a family history, aged 40 to 88 years, with a mean age of 70.0 years.
Statistical Information
P-Value
0.0004
Confidence Interval
95% CI=3.98–12.10
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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