OBJECTIVES: A recent report demonstrated that KLF6 IVS1 -27G>A substitution increases the transcription of alternatively spliced isoforms; this action was suggested to be associated with prostate cancer (pCA). To evaluate these findings among the Finnish population, a total of 3348 samples were analysed. METHODS: The variant was genotyped in 164 patients with familial pCA, 852 patients with unselected pCA, 459 patients with benign prostate hyperplasia (BPH), 923 male population controls, and 950 men from a Finnish prostate-specific antigen (PSA) screening trial with PSA levels less than 1.0ng/ml. Odds ratios (ORs) and corresponding 95% confidence intervals (95%CIs) were calculated by using logistic regression to estimate pCA risk. RESULTS: Association testing revealed no significant differences between familial prostate cancer patients and population controls (OR: 0.84; 95%CI, 0.56-1.28; p=0.42), unselected cases and controls (OR: 0.95; 95%CI, 0.76-1.19; p=0.63), or BPH cases and controls (OR: 1.12; 95%CI, 0.86-1.46; p=0.39). pCA and BPH cases were also compared with PSA-screened controls. None of these analyses revealed any significant associations. CONCLUSIONS: Our results do not support the suggested association of KLF6 IVS1 -27G>A germline polymorphism with pCA risk and also suggest that the variant is not a risk allele for BPH in the Finnish population.
OBJECTIVES: A recent report demonstrated that KLF6 IVS1 -27G>A substitution increases the transcription of alternatively spliced isoforms; this action was suggested to be associated with prostate cancer (pCA). To evaluate these findings among the Finnish population, a total of 3348 samples were analysed. METHODS: The variant was genotyped in 164 patients with familial pCA, 852 patients with unselected pCA, 459 patients with benign prostate hyperplasia (BPH), 923 male population controls, and 950 men from a Finnish prostate-specific antigen (PSA) screening trial with PSA levels less than 1.0ng/ml. Odds ratios (ORs) and corresponding 95% confidence intervals (95%CIs) were calculated by using logistic regression to estimate pCA risk. RESULTS: Association testing revealed no significant differences between familial prostate cancerpatients and population controls (OR: 0.84; 95%CI, 0.56-1.28; p=0.42), unselected cases and controls (OR: 0.95; 95%CI, 0.76-1.19; p=0.63), or BPH cases and controls (OR: 1.12; 95%CI, 0.86-1.46; p=0.39). pCA and BPH cases were also compared with PSA-screened controls. None of these analyses revealed any significant associations. CONCLUSIONS: Our results do not support the suggested association of KLF6 IVS1 -27G>A germline polymorphism with pCA risk and also suggest that the variant is not a risk allele for BPH in the Finnish population.
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Authors: Rufus Cartwright; Altaf Mangera; Kari A O Tikkinen; Prabhakar Rajan; Jori Pesonen; Anna C Kirby; Ganesh Thiagamoorthy; Chris Ambrose; Juan Gonzalez-Maffe; Phillip R Bennett; Tom Palmer; Andrew Walley; Marjo-Riitta Järvelin; Vik Khullar; Chris Chapple Journal: Eur Urol Date: 2014-01-22 Impact factor: 20.096