COVID-19感染与精子质量差有关:一个横截面和纵向临床观察研究
Lulu Yuan1,2, Wei Sun3, Zihan Dong4
1Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Shengjing Hospital of China Medical University, No.39, Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, People's Republic of China.
Scientific reports
|April 3, 2025
概括
COVID-19感染通过降低精子质量,包括精子数量,运动性和增加DNA碎片化而对男性生育能力产生负面影响. 这些发现对于管理受病毒影响的男性生育问题至关重要.
科学领域:
- 生殖医学 生殖医学
- 病毒学 病毒学
- 公共卫生 公共卫生
背景情况:
- SARS-CoV-2 流行病引发了人们对男性生殖健康潜在影响的担忧.
- 了解COVID-19对精子质量的影响对于生殖医学和患者咨询至关重要.
- 以前的研究表明存在联系,但需要对精子特定参数进行进一步调查.
研究的目的:
- 为了研究COVID-19感染对精子质量的影响.
- 为了量化SARS-CoV-2感染后精子参数变化的程度.
- 为在COVID-19后患者的男性生育能力的临床管理提供数据.
主要方法:
- 这是一项对604名COVID-19后患者的横截面研究,以及对140名感染前后患者的纵向研究.
- 在纵向研究中包括149个未受影响的对照.
- 评估精子数量,运动性 (渐进和总),形态,精子DNA碎片化指数 (DFI) 和染色质不成熟.
主要成果:
- 横截面研究:与对照组相比,COVID-19患者的精子数量显著降低,A级精子百分比,渐进性运动性,总运动性和更高的DFI.
- 纵向研究:感染后,与感染前样本相比,患者表现出精子数量减少,A级精子,渐进性运动能力,总运动能力和DFI增加.
- 在纵向研究中,超过57%的COVID-19患者在感染后的精子度,数量,运动性和DFI的恶化,与对照组不同.
结论:
- COVID-19 感染与多个精子质量参数的显著下降有关.
- 观察到的精子质量的变化表明,这可能会对男性生育能力产生负面影响.
- 这些发现对于临床医生管理COVID-19患者男性生育问题至关重要.
相关概念视频
Infertility in Males
216
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...
216
Spermatogenesis
101.9K
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...
101.9K
Sperm Structure and Semen Composition
820
During ejaculation, males release around 2-5 milliliters of semen, which is a complex mixture of mature sperm and various fluids produced by accessory glands. The mature sperm cells measure approximately 60 micrometers in length and consist of a head, neck, midpiece, and tail. The head is flattened and tapered, measuring about 4 to 5 micrometers in length. It contains a nucleus with condensed chromosomes and an acrosome, a cap-like structure filled with enzymes essential for penetrating the...
820
Sexually Transmitted Infections
246
Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
246
Sperm Transport
490
The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...
The maturation phase occurs in the epididymis, where sperm...
490


