一种治疗勃起功能障碍的药物标,有助于改善生育能力,性活动和幸福感:孟德尔的随机化研究
Benjamin Woolf1,2,3, Skanda Rajasundaram4,5, Héléne T Cronjé6
1School of Psychological Science, University of Bristol, Bristol, BS8 1TU, UK benjamin.woolf@bristol.ac.uk.
概括
基因代理化酶5 (PDE5) 抑制与更多由男性而不是女性生育的孩子有关. 这表明PDE5抑制剂可能会影响男性生育能力,尽管需要进一步的研究.
科学领域:
- 遗传学 遗传学 是一个
- 药理学 药理学是指药理学的学科.
- 生殖健康 生殖健康
背景情况:
- 固酶5 (PDE5) 抑制剂是治疗勃起功能障碍的确立方法.
- PDE5抑制与生育能力和幸福感的遗传关联尚未得到充分理解.
研究的目的:
- 研究基因代理PDE5抑制与男性和女性生育能力,性行为和主观福祉之间的关联.
- 探索PDE5抑制对生殖健康影响的潜在机制.
主要方法:
- 一项两样本的孟德尔随机化研究,利用来自大型遗传联盟 (国际血压联盟和英国生物银行) 的总结数据.
- 用透过基因代理的PDE5抑制被估计使用透气血压降低作为替代生物标志物.
- 结果包括孩子的数量,性伴侣,性交史和主观幸福感.
主要成果:
- 基因代理的PDE5抑制与男性参与者生育的孩子数量增加 (0.28个额外的孩子) 有显著的关联.
- 在基因代理PDE5抑制和女性参与者的生育能力之间没有发现任何关联.
- 没有证据支持与男性的性行为或主观幸福感有关.
结论:
- 这项研究提供了遗传证据,表明PDE5抑制可以提高男性生育能力,可能是通过改善勃起功能.
- 缺乏女性的关联支持一个特定于性别的机制.
- 进一步的研究是有必要的,并且这些发现不应该鼓励由于潜在的不良影响而未经监测使用PDE5抑制剂.
相关概念视频
Infertility in Males
269
Male infertility affects millions of couples worldwide, arising from various factors that impact different stages of the reproductive process. An endocrine imbalance resulting from conditions like hypogonadism, Klinefelter syndrome, or pituitary disorders can disrupt hormone levels and reduce sperm production. Testicular defects, such as tumors, cryptorchidism, atrophic testes, abnormal sperm morphology, and low sperm count or motility, may arise due to genetic factors, structural...
269
Disorders of the Male Reproductive System
422
Men's health issues are increasingly recognized as significant, with several conditions posing common threats. Among these, testicular cancer is especially prevalent in younger men, particularly those aged 20 to 35 years. The disease often manifests as a painless mass in the testicles, sometimes accompanied by a sensation of heaviness or a dull ache.
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
Prostate disorders are another major concern. These conditions can impair urinary flow due to the prostate's location around the urethra....
422
Regression Toward the Mean
6.3K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.3K
Male Sexual Response: Erection & Ejaculation
2.5K
Sexual stimulation can take various forms, such as physical touch and visual or auditory cues. When this happens, the parasympathetic reflex in the sacral portion of the spinal cord is activated. This reflex stimulates the release of nitric oxide (NO), which then dilates the arterioles in the penis, increasing blood flow to the erectile tissues - the corpora cavernosa and corpus spongiosum.
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
The blood filling the erectile tissues compresses the veins, which helps to prevent blood from leaving...
2.5K
Treatment for Pulmonary Arterial Hypertension: Phosphodiesterase Inhibitors
161
Phosphodiesterase 5 (PDE5) inhibitors are potent enzymes that function to hydrolyze cyclic nucleotides to their corresponding 5' monophosphates. Their unique biochemical properties have been applied in treating Pulmonary Arterial Hypertension (PAH).
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
Among the PDE5 inhibitors, sildenafil (Revatio) stands out as a competitive and selective inhibitor. It operates by elevating cellular levels of cGMP and augmenting signaling through the cGMP-PKG pathway, promoting vasodilation. Upon oral...
161
Factors Affecting Drug Distribution: Physiological Barriers
208
Drug distribution in the body is intricately regulated by various physiological barriers that control the passage of substances. These include the capillary endothelial barrier, the blood-brain, blood-cerebrospinal fluid, blood-placental, and blood-testis barriers.
The capillary endothelial barrier allows only smaller molecules below 600 Da (Daltons) to pass through. It also restricts drugs like heparin that are bound to blood components, limiting their movement within the bloodstream.
The...
The capillary endothelial barrier allows only smaller molecules below 600 Da (Daltons) to pass through. It also restricts drugs like heparin that are bound to blood components, limiting their movement within the bloodstream.
The...
208


