Prostate cancer risk: associations with ultraviolet radiation, tyrosinase and melanocortin-1 receptor genotypes
2001

Prostate Cancer Risk and UV Radiation

Sample size: 365 publication Evidence: moderate

Author Information

Author(s): Luscombe C J, French M E, Liu S, Saxby M F, Jones P W, Fryer A A, Strange R C

Primary Institution: North Staffordshire Hospital

Hypothesis

Exposure to ultraviolet radiation may reduce prostate cancer risk, suggesting that polymorphism in genes that mediate host pigmentation will be associated with susceptibility to this cancer.

Conclusion

The study found that certain gene variants related to skin pigmentation are associated with prostate cancer risk, influenced by UV exposure.

Supporting Evidence

  • MC1R Arg160/Arg160 homozygotes were at increased risk (P = 0.027, odds ratio = 1.94).
  • TYR A2/A2 homozygotes were at reduced risk of prostate cancer (P = 0.033, odds ratio = 0.48).
  • The protective effect of TYR A1A2 and A2A2 was particularly strong in subjects with the greatest UV exposure.

Takeaway

This study suggests that getting sunlight might help lower the risk of prostate cancer, especially for people with certain skin-related genes.

Methodology

The study involved 210 prostate cancer cases and 155 controls, assessing gene variants and UV exposure through questionnaires.

Participant Demographics

Participants included 210 prostate cancer cases and 155 controls.

Statistical Information

P-Value

P = 0.027, P = 0.033, P = 0.006, P = 0.003

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1054/bjoc.2001.2097

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