Introduction And Objectives: Premature ejaculation (PE) is characterized by shorter intravaginal ejaculation latency time than it is acceptable for the patient or partner. It is thought that lifelong PE is a neurobiological dysfunction associated with genetic predisposition and with central serotonin neurotransmission dysfunction in receptors. To contribute to the understanding the genetic etiology of lifelong PE, it was planned to compare the 5-HT2C receptor gene rs3813929, rs518147, 5-HT1A receptor gene rs6295, 5-HT1B receptor gene rs11568817 of lifelong PE patients to healthy controls.
Materials And Methods: For this purpose, 100 patients with premature ejaculation and 100 healthy controls were included in the study. Blood samples for DNA extraction were obtained. Appropriate procedures were applied to the probes (rs3813929, rs518147, rs6295, rs11568817) suitable for the DNA studied.
Results: A statistically significant relationship was found between the rs11568817 polymorphism (p=0.019) in the 5-HT1B receptor gene and the rs518147 polymorphism (p=0.016) in the 5-HT2C receptor gene. Also, no statistically significant relationship was found between 5-HT1A receptor gene rs6295 polymorphism and 5-HT2C receptor gene rs3813929 polymorphism and lifelong PE.
Conclusions: The relationship between rs3813929 and rs11568817 polymorphisms with lifelong PE was confirmed. Repeating the study in larger sample groups could be useful in determining the genetic etiology of PE.
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