相关实验视频
Updated: Jul 12, 2025

Optimized Analysis of In Vivo and In Vitro Hepatic Steatosis
Published on: March 11, 2017
血管内皮生长因子A (VEGFA) 调节肝脂和葡萄糖代谢在思索托拉克斯前期
Yan Wang1, Jiahui Ni1, Aiyu Wang1
1College of Animal Science and Technology, Sichuan Agricultural University, Chengdu 611130, China.
血管内皮生长因子A (VEGFA) 增加了鱼类的血糖和脂质水平. 这项研究表明,VEGFA通过AMPK信号调节鱼类糖脂代谢,影响肝脏的能量储存.
科学领域:
- * 鱼类生理学 鱼类生理学
- * 分子生物学 * 分子生物学
- * 代谢调节 代谢调节
背景情况:
- *血管内皮生长因子A (VEGFA) 对于哺乳动物的血管生成,炎症和能量代谢至关重要.
- * VEGFA在鱼类糖脂代谢中的作用仍未得到研究.
- * 这项研究重点关注的是鱼类种类 * Schizothorax prenanti*.
研究的目的:
- *为了克隆和鉴定"前期的思索索瘤"中的"vegfa"基因.
- * 调查VEGFA对*S. prenanti*中的糖脂代谢的影响.
- *阐明涉及AMPK信号的潜在分子机制.
主要方法:
- * 在S. prenanti*中克隆和表征vegfa基因.
- * 复合VEGFA蛋白的表达和净化.
- * 内注射VEGFA,随后对血清葡萄糖,甘油三和肝脏组织进行分析.
- * 调查VEGFA对肝细胞糖原和脂质含量的影响,以及AMPK酸化.
- *对VEGFA诱导的代谢变化对AMPKα抑制的评估.
主要成果:
- * *vegfa*基因表达在*S. prenanti*的肝脏和肌肉组织中最高.
- * VEGFA注射显著增加了血清葡萄糖和甘油三水平.
- * VEGFA的使用加剧了肝脏中的糖原和脂质沉积.
- *VEGFA治疗增加了肝细胞中的细胞内糖原和脂质滴,同时增加了pAMPKα (T172) 水平.
- * 抑制AMPKα降低了VEGFA诱导甘油三和糖原积累的能力.
结论:
- 在S. prenanti*中,VEGFA在调节肝脂和糖原代谢方面发挥着重要作用.
- * 鱼类中VEGFA介导的糖脂代谢调节通过AMPKα信号通路发生.
- *这些发现有助于更深入地了解VEGFA在鱼类代谢过程中的多种功能.
更多相关视频
11:30High-fat Feeding Paradigm for Larval Zebrafish: Feeding, Live Imaging, and Quantification of Food Intake
Published on: October 27, 2016
09:27Analysis of Liver Microenvironment During Early Progression of Non-Alcoholic Fatty Liver Disease-Associated Hepatocellular Carcinoma in Zebrafish
Published on: April 1, 2021
相关概念视频
Cholesterol: Significance and Regulation
Considering cholesterol and...
Regulation of Angiogenesis and Blood Supply
Overview of Lipid Metabolism
Lipolysis: The Breakdown of Lipids:
Lipolysis is the process of breaking down lipids, particularly triglycerides, into glycerol and fatty acids. This process typically occurs in the adipose tissue and is triggered by various hormones, including glucagon and...
Cell Specific Gene Expression
Regulation of Metabolism
Liver Physiology
Metabolic Regulation:
The liver is the central organ involved in regulating blood composition. It stabilizes blood glucose levels, maintaining them within the range of 70–110 mg/dL. When these levels drop, the liver breaks down glycogen reserves and releases glucose into the bloodstream. It can...