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Effects of CYP24A1 polymorphisms on premature ejaculation: a case-control study.

Fei Wang1, Defan Luo, Jianxiang Chen

  • 1Department of Urology, Hainan General Hospital, Affiliated Hainan Hospital of Hainan Medical University, Haikou 570311, Hainan Province, People's Republic of China. 13698987211@163.com.

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Genetic variants in CYP24A1 are linked to premature ejaculation (PE) risk. Specifically, the rs1570669 polymorphism increases susceptibility to PE in the Chinese Han population.

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Area of Science:

  • Genetics
  • Urology
  • Pharmacogenomics

Background:

  • Premature ejaculation (PE) is a prevalent male sexual dysfunction with a suspected genetic basis.
  • The precise genetic mechanisms underlying PE remain largely unknown.
  • Investigating specific gene polymorphisms may elucidate PE's etiology.

Purpose of the Study:

  • To examine the association between genetic polymorphisms in the CYP24A1 gene and the risk of premature ejaculation (PE).
  • To identify specific single nucleotide polymorphisms (SNPs) within CYP24A1 that may confer susceptibility to PE.

Main Methods:

  • A case-control study involving 139 PE patients and 372 healthy men.
  • Genotyping of three CYP24A1 SNPs (rs2762934, rs1570669, rs6068816) using the Agena MassARRAY platform.
  • Logistic regression analysis to calculate odds ratios (ORs) and 95% confidence intervals (CIs) for PE risk associated with CYP24A1 polymorphisms.

Main Results:

  • The allele A of rs1570669 was significantly associated with an increased risk of PE (OR=1.38, P=0.026).
  • rs1570669 was identified as a risk factor under the additive model (OR=1.47, P=0.039).
  • Genotype AA of rs1570669 showed a significant association with increased PE risk under the codominant model (OR=2.26, P=0.036).

Conclusions:

  • This study provides the first evidence that genetic variants of CYP24A1 play a crucial role in PE susceptibility.
  • The rs1570669 polymorphism in CYP24A1 is a potential genetic risk factor for premature ejaculation in the Chinese Han population.