食β-胡卜素可以改善卵巢发育和替代的抗氧化能力
Jingya Jiang1, Langduan Chen1, Weiying Ma1,2
1College of Animal Science and Technology, Northwest A&F University, Yangling, 712100, China.
Journal of animal science and biotechnology
|February 7, 2026
概括
β-胡卜素通过促进脂解和激活FOXL2-StAR途径来增加雌激醇合成,从而增强子卵巢发育. 它还可以减轻氧化应激,有助于改善毛囊发育.
科学领域:
- 生殖生物学 生殖生物学
- 内分泌学 在内分泌学.
- 营养科学 营养科学
背景情况:
- 已知β-胡卜素可以改善哺乳动物的生殖性能,但其潜在机制尚未完全理解.
- 研究β-胡卜素在卵巢发育中的作用对于了解其生殖益处至关重要.
研究的目的:
- 为了评估β-胡卜素对替代子卵巢发育的影响.
- 阐明β-胡卜素影响卵巢功能的潜在机制.
主要方法:
- 一项为期60天的试验涉及20只母,它们被食控制饮食或补充10毫克/公斤β-胡卜素的饮食.
- 对毛囊数量,雌二醇度,毛囊液中的β-胡卜素水平的分析,以及对花质细胞 (GCs) 的转录基因分析.
主要成果:
- 补充β-胡卜素增加了卵泡数量 (2-5毫米),并提高了血液和卵泡液中的雌激素水平.
- 转录组分析显示,GCs中的β-胡卜素上调的叉头盒L2 (FOXL2) 表达,可能会激活FOXL2-StAR通路.
- β-胡卜素促进了脂解,增加了卵巢β-胡卜素度,增强了抗氧化酶活性 (SOD1,GPX4) 和减少了活性氧物种 (ROS).
结论:
- β-胡卜素促进脂解,并激活FOXL2-StAR通路,导致GCs中的雌激醇合成增加.
- β-胡卜素通过增加抗氧化酶活性来减轻氧化压力,有助于提高子的毛囊发育.
相关概念视频
Lung Capacity
56.4K
The air in the lungs is measured in volumes and capacities. Lung volume measures reflect the amount of air taken in, released, or left over after a lung function, like a single inhalation. Lung capacity measures are sums of two or more lung volume measures.
56.4K
Ovaries
2.5K
The ovaries are roughly the size of almonds and measure approximately 2 to 3 centimeters in length. These paired structures are situated within the pelvic region and are anchored by the mesovarium—a peritoneal extension that also connects them to the wider structure of the broad ligament. The support system extends to the suspensory ligament, housing blood and lymphatic vessels. In addition, the ovarian ligament tethers the ovaries to the uterus.
On the ovarian surface, a layer of...
On the ovarian surface, a layer of...
2.5K
Dietary Connections
62.1K
In biological systems, most metabolic pathways are interconnected. The cellular respiration processes that convert glucose to ATP—such as glycolysis, pyruvate oxidation, and the citric acid cycle—tie into those that break down other organic compounds. As a result, various foods—from apples to cheese to guacamole—end up as ATP. In addition to carbohydrates, food also contains proteins and lipids—such as cholesterol and fats. All of these organic compounds are used...
62.1K
Proteins: Dietary Sources and Requirements
1.8K
Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
1.8K
Respiratory Capacities
1.5K
Respiratory capacities are crucial indicators of lung function, representing the maximum amount of air an individual's respiratory system can handle during various breathing phases.
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
One key metric is the Inspiratory Capacity (IC), which represents the maximum amount of air that can be inhaled with full effort. IC is calculated by summing the tidal volume and inspiratory reserve volume, typically ranging from 2.4 to 3.6 liters.
The Functional Residual Capacity (FRC) represents the air in the...
1.5K
Fruit Development, Structure, and Function
25.4K
Fruits form from a mature flower ovary. As seeds develop from the ovules contained within, the ovary wall undergoes a series of complex changes to form fruit. In some fruits, such as soybeans, the ovary wall dries; in other fruits, such as grapes, it remains fleshy. In some cases, organs other than the ovary contribute to fruit formation; such fruits are called accessory fruits.
25.4K


