非酶性抗氧化剂防御和男性不孕症的多态变化
Jędrzej Baszyński1, Piotr Kamiński2,3, Marek Szymański4,5,6
1Nicolaus Copernicus University in Toruń, Collegium Medicum in Bydgoszcz, Faculty of Medicine, Department of Medical Biology and Biochemistry, Division of Ecology and Environmental Protection, Bydgoszcz, Poland.
概括
男性不孕症与环境因素有关,包括化学元素和IL-4v.C589T多态性等遗传变异. 了解这些相互作用可以改善男性生殖健康的诊断和治疗.
科学领域:
- 环境科学和生殖生物学
- 免疫遗传学和氧化应激研究
背景情况:
- 男性不孕症具有重要的遗传和环境决定因素.
- 之前的研究还没有全面分析抗氧化剂,化学元素和男性不育的遗传因素之间的相互作用.
- 这项研究探讨了塑造男性生殖健康的新型相互依赖.
研究的目的:
- 分析非酶性抗氧化剂 (谷氨,胆红素,尿酸),化学元素和不孕男性IL-4v.C589T基因多态性的关系.
- 探索这些因素如何影响男性生殖状况和氧化应激.
- 为改善男性不孕症的诊断和有针对性的治疗提供见解.
主要方法:
- 研究了来自波兰的76名不孕男性和87名健康人群.
- 分析精液参数,抗氧化剂和化学元素的血清度 (ICP-MS).
- 使用PCR-RFLP研究IL-4v.C589T基因多态性.
主要成果:
- 不孕男性的抗氧化防御能力较差,尿酸水平较高.
- 在非酶性抗氧化剂和化学元素,特别是和之间发现了显著的相关性.
- IL-4v.C589T基因型 (CC和TT) 影响了抗氧化机制和对环境压力因素的反应,这表明它在生育障碍中发挥了间接作用.
结论:
- 非酶性防御,化学元素和遗传多态性共同影响男性的生殖潜力.
- 这些发现有助于诊断男性不孕症,减少异常病例,并指导个性化治疗.
- 突出环境,免疫遗传因素,氧化应激和遗传多态性对男性生育的重要性.
相关概念视频
Spermatogenesis
103.4K
Spermatogenesis is the process by which haploid sperm cells are produced in the male testes. It starts with stem cells located close to the outer rim of seminiferous tubules. These spermatogonial stem cells divide asymmetrically to give rise to additional stem cells (meaning that these structures “self-renew”), as well as sperm progenitors, called spermatocytes. Importantly, this method of asymmetric mitotic division maintains a population of spermatogonial stem cells in the male...
103.4K
Infertility in Males
331
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...
331
Oxidation of Phenols to Quinones
3.4K
In the presence of oxidizing agents, phenols are oxidized to quinones. Quinones can be easily reduced back to phenols using mild reducing agents. The electron-donating hydroxyl group enhances the reactivity of the aromatic ring, enabling oxidation of the ring even in the absence of an α hydrogen.
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
o-hydroxy phenols are oxidized to o-quinones and p-hydroxy phenols to p-quinones. Such redox reactions involve the transfer of two electrons and two protons. The reversible redox...
3.4K
Background and Environment Affect Phenotype
6.7K
Although the genetic makeup of an organism plays a major role in determining the phenotype, there are also several environmental factors, such as temperature, oxygen availability, presence of mutagens, that can alter an organism’s phenotype.
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
An example of how genetic background affects phenotype can be seen in horses. The Extension gene in horses is responsible for their coat color. A wild-type gene (EE) produces black pigment in the coat, while a mutant gene (ee) produces red pigment. A...
6.7K


