茶叶中的多和EGCG通过降低2-甲基二醇来诱导类似孕前的症状
Yi Duan1, Chen Jin1, Jiaqi Wang1
1Shenzhen Key Laboratory of Steroid Drug Discovery and Development, School of Medicine, The Chinese University of Hong Kong, Shenzhen, Guangdong 518172, China.
概括
怀孕期间喝茶可能会增加孕前的风险,因为它会抑制一种对关键激素代谢物至关重要的酶. 补充2-甲基二醇 (2-MeO-E2) 在动物模型中逆转了这些效应.
科学领域:
- 生殖生物学 生殖生物学
- 生物化学 生化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 孕前 (PE) 是一种严重的妊娠障碍,具有显著的孕产妇和胎儿健康风险.
- 饮食因素,如茶饮食,可能会影响荷尔蒙代谢,并有助于PE发展.
- 2-甲氧二醇 (2-MeO-E2) 是一种重要的妊娠激素代谢物,可能受到茶叶成分的影响.
研究的目的:
- 研究茶饮对怀孕结果和激素代谢的影响.
- 为了确定茶叶多和表甲基酸盐 (EGCG) 是否影响孕前的发展.
- 探索二甲氧化二醇 (2-MeO-E2) 在怀孕期间调解茶的作用中的作用.
主要方法:
- 在体内研究中,使用怀孕的老鼠给予茶叶多和EGCG.
- 在体外实验中评估EGCG对HTR8/SVneo细胞迁移的影响.
- 测量二甲氧化二醇 (2-MeO-E2) 水平和甲基醇甲基转移酶 (COMT) 活性.
主要成果:
- 茶中的多和EGCG在老鼠中诱导了PE类症状,包括高血压,蛋白尿和胎儿生长限制.
- 这些症状通过与2-MeO-E2.2的同时治疗而得到缓解.
- 茶的摄入量显著降低了2-MeO-E2水平,并抑制了COMT活性.
- EGCG 损害了 trofhoblast 细胞迁移,这种效应被 2-MeO-E2.2. 逆转.
结论:
- 在怀孕期间饮用茶叶中的多和EGCG可以引起类似于产前的症状.
- 抑制COMT活动和随后减少2-MeO-E2生产是关键机制.
- 补充2-MeO-E2可以在怀孕期间抵消茶叶成分的不良影响.
更多相关视频
05:31Author Spotlight: Modeling an Aspect of Preeclampsia in Female Mice Using Hypoxic Human Placenta-Derived Small Extracellular Vesicles
Published on: January 26, 2024
775
12:00Extraction and Purification of Polyphenols from Freeze-dried Berry Powder for the Treatment of Vascular Smooth Muscle Cells In Vitro
Published on: July 5, 2017
19.1K
相关概念视频
01:18Treatment for Pulmonary Arterial Hypertension: Endothelin Receptor Antagonists
141
Endothelins (ETs) are potent vasoactive peptides critical in the human body's various physiological and pathological processes. One of the most promising therapeutic strategies for treating pulmonary arterial hypertension (PAH) involves counteracting the effects of these endothelins using a class of drugs known as endothelin receptor antagonists.
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
ETs are synthesized through a complex sequence of enzymatic steps, primarily involving an enzyme referred to as endothelin-converting enzyme...
141
02:07Oogenesis
63.5K
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...
63.5K