微塑料对女性生殖系统的不良健康影响和机制:描述性综述
Vishal Afreen1, Kanza Hashmi1, Rimsha Nasir1
1Riphah Institute of Pharmaceutical Sciences, Riphah International University, Lahore, Pakistan.
概括
聚乙烯微塑料 (PS-MPs) 通过影响卵巢,激素和引起细胞死亡,损害女性生殖. 这些塑料颗粒通过各种有毒途径破坏生殖健康.
科学领域:
- 环境科学 环境科学
- 毒理学 毒理学 毒理学
- 生殖生物学 生殖生物学
背景情况:
- 小于5毫米的微塑料 (MP) 是普遍存在的环境污染物.
- 包括聚钢 (PS-MP) 在内的MP存在于各种形式,并进入生态系统,对野生动物构成风险.
- 以前的研究表明,MPs可以在动物中引起生殖毒性.
研究的目的:
- 审查聚烯微塑料 (PS-MPs) 对女性生殖系统的不良影响.
- 阐明通过PS-MPs诱导生殖毒性的特定机制和途径.
主要方法:
- 对调查PS-MP和女性生殖健康的研究进行文献综述.
- 对详细介绍PS-MPs暴露对细胞和分子影响的研究进行分析.
- 检查对内分泌干扰和器官特异性毒性的影响.
主要成果:
- 暴露于PS-MPs与卵巢较大,卵泡较少,胚胎产量减少以及小鼠怀孕率较低有关.
- 观察到荷尔蒙失衡和氧化应激,影响生育能力.
- 通过NLRP3/caspase和Wnt途径在颗粒细胞中的细胞死亡 (亡,烧亡).
- 由于TL4/NOX2激活,子宫纤维化和子宫内膜变薄.
- 对卵巢功能,卵细胞成熟和质量产生负面影响.
- 在海洋动物中,下丘脑 - 垂体 - 淋巴腺轴的破坏,影响生殖和后代.
- 降低生育能力和生殖系细胞亡.
结论:
- 聚乙烯微塑料对各种物种的女性生殖健康构成重大威胁.
- 多种细胞和分子通路与PS-MP诱导的生殖毒性有关.
- 进一步的研究至关重要,以了解微塑料污染带来的生殖风险的全部范围.
相关概念视频
Disorders of the Female Reproductive System
421
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
421
Oogenesis
63.9K
In human women, oogenesis produces one mature egg cell or ovum for every precursor cell that enters meiosis. This process differs in two unique ways from the equivalent procedure of spermatogenesis in males. First, meiotic divisions during oogenesis are asymmetric, meaning that a large oocyte (containing most of the cytoplasm) and minor polar body are produced as a result of meiosis I, and again following meiosis II. Since only oocytes will go on to form embryos if fertilized, this unequal...
63.9K
Toxic Reactions: Overview
1.0K
When toxic substances penetrate the human body, they disseminate to various tissues, undergoing metabolic changes. This process yields reactive metabolites that may covalently bind with specific target molecules, resulting in toxicity.
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
Toxicity falls into two primary categories: local and systemic.
Local toxicity appears at the exposure site, such as protein denaturation caused by caustic substances.
In contrast, systemic toxicity requires the toxic agent's absorption and distribution,...
1.0K
Teratogenicity
2.5K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
2.5K
Types of Toxins
1.8K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.8K
Spermatogenesis
102.7K
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...
102.7K


