相关实验视频
Updated: Jul 27, 2026

06:55
Protocol to Create Chronic Wounds in Diabetic Mice
Published on: September 25, 2019
20.1K
在糖尿病伤口愈合期间,SFRP2调节了巨细胞的功能表型转换和能量代谢
Jiaqi Yang1, Guorui Xiong1, Huijuan He2
1Institute of Plastic Surgery, Affiliated Hospital of Guangdong Medical University, Zhanjiang, China.
Frontiers in immunology
|October 28, 2024
概括
SFRP2 是糖尿病足 (DFU) 治愈的关键基因. 它调节巨细胞功能和能量代谢,为DFU治疗提供治疗潜力.
科学领域:
- 生物医学科学 生物医学科学
- 分子生物学分子生物学
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 糖尿病足 (DFU) 由于复杂的发病过程和大量的患者负担, presents一个重要的临床挑战.
- 了解糖尿病中受损伤愈合背后的分子机制对于开发有效的治疗方法至关重要.
研究的目的:
- 通过生物信息学和实验验证,在糖尿病足中识别新的与伤口愈合相关的基因.
- 阐明SFRP2在糖尿病伤口愈合的细胞和分子过程中的特定作用.
主要方法:
- 对与伤口愈合相关的基因进行生物信息查.
- 为糖尿病伤口愈合研究建立全厚皮肤损伤小鼠模型.
- 在体内和细胞分析,包括细胞外流量分析 (EFA) 和转录组分析,以调查SFRP2功能.
主要成果:
- 在DFU中,SFRP2被确定为与免疫细胞透相关的关键基因.
- 抑制SFRP2,通过影响巨细胞功能和能量代谢,降低了糖尿病伤口愈合,血管生成和矩阵重塑的功能.
- SFRP2调节影响了巨细胞的表型过渡,炎症反应和Wnt信号通路.
结论:
- 通过调节巨细胞功能表型过渡和代谢平衡,SFRP2在糖尿病伤口愈合中发挥着至关重要的作用.
- 在糖尿病小鼠中,AAV-SFRP2治疗增强了伤口关闭,证明了SFRP2在治疗糖尿病足方面具有治疗潜力.
相关概念视频
Carbohydrate Metabolism
Carbohydrates are polymers composed of molecules containing atoms of carbon, hydrogen and oxygen. One gram of carbohydrate can provide four kilo-calories of energy, which makes it the most efficient instant energy source.
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...
Starch accounts for approximately 60% of the carbohydrates consumed by humans. Since amylase enzymes cannot function in the stomach's acidic environment, starch can only be digested in the mouth and small intestine. Simple sugars are found naturally in milk and fruits in the...
Glucose Transporters
Glucose transporters facilitate the transport of glucose across the cell membrane. In addition to glucose, some glucose transporters can also aid the movement of other hexoses such as fructose, mannose, and galactose.
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Tissue Renewal without Stem Cells
After cellular or tissue damage, the resident stem cells present in the human body can locally repair and regenerate the damaged tissue or organ. However, even though some tissues do not have stem cells, they can repair and regenerate with the help of pre-existing cells. For example, beta cells of the pancreas and hepatocytes of the liver can divide to renew and regenerate the tissue. Here, both cell division and cell death are well regulated by homeostasis.
However, failure of such a system...
However, failure of such a system...
Hormones Regulating Blood Glucose
Insulin is released by beta cells of the pancreas when blood glucose levels are high. It facilitates glucose absorption and utilization in insulin-dependent cells with insulin receptors on their plasma membranes. Insulin promotes glucose uptake by increasing the number of glucose transport proteins in the cell membrane, allowing glucose to enter the cell. As a result, glucose utilization and ATP production are enhanced.
In addition to accelerating glucose uptake and utilization, insulin has...
In addition to accelerating glucose uptake and utilization, insulin has...
Glucose Homeostasis: Regulation of Blood Glucose
Carbohydrates consumed through foods are converted into glucose, a crucial energy source for the body. In the prandial state, high blood glucose levels stimulate the secretion of insulin from the pancreas. Insulin inhibits hepatic glucose production and stimulates glucose uptake and metabolism by muscle and adipose tissue. The excess glucose is converted into glycogen and stored in the liver and muscles.
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
During fasting, when blood glucose levels are low, the pancreas secretes glucagon. it...
Type II Diabetes II: Pathophysiology
PathophysiologyType 2 diabetes mellitus (T2DM ) is a chronic metabolic disorder characterized by insulin resistance and progressive pancreatic β-cell dysfunction, leading to impaired glucose homeostasis. It results from interactions among genetic predisposition, environmental factors, and metabolic stressors, such as overnutrition and a sedentary lifestyle.Insulin Resistance and Glucose DysregulationEarly T2DM involves insulin resistance in skeletal muscle, adipose tissue, and the liver.

