Journal
AGING MALE
Volume 20, Issue 4, Pages 250-256Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/13685538.2017.1358261
Keywords
Benign prostatic hyperplasia; alpha-adrenergic receptor antagonists; aggressive; single nucleotide polymorphism (SNP)
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Funding
- National Natural Science Foundation of China [81570684]
- Shanghai Municipal Science and Technology Commission [14430720800, 15ZR1427600]
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Background: The etiology of benign prostatic hyperplasia (BPH) has not been well established. The preferred medical treatment for many men with symptomatic benign prostatic hyperplasia is either an -adrenergic receptor antagonist (-blocker), or a 5-reductase inhibitor. Single nucleotide polymorphism (SNP) is a powerful tool for successful implementation of individualized treatment.Methods: Eighteen SNPs associated with drug efficacy in a Chinese population were genotyped in 790 BPH cases (330 aggressive and 460 non-aggressive BPH cases) and 1008 controls. All BPH patients were treated with -adrenergic blockers for at least 9 months. We tested the associations between tagging single nucleotide polymorphism and BPH risk/aggressiveness, clinical characteristics at baseline, including the International Prostate Symptom Score (IPSS) and total prostate volume, and changes in clinical characteristics after treatment.Results: There were nine SNPs associated with BPH risk, clinical progression and therapeutic effect. (1) There were nine tSNPs been chosen in CYP3A4, CYP3A5 and RANBP3L genes. (2) The SNP, rs16902947 in RANBP3L at 5p13.2 (p=.01), was significantly associated with BPH. (3) We found two SNPs, rs16902947 in RANBP3L at 5p13.2 (p=.0388) and rs4646437 in CYP3A4 at 7q21.1 (p=.0325), associated with drug effect. (4) Allele G for rs16902947 was found to be risk alleles for BPH risk (OR=2.357, 95%CI 1.01-1.48). The A allele of rs4646437 was associated with lower IPSS at baseline (=-0.4232, p=.03255).Conclusions: rs16902947, rs16902947 and rs4646437 single nucleotide polymorphisms are significantly associated with the clinical characteristics of benign prostatic hyperplasia and the efficacy of benign prostatic hyperplasia treatment.
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