可光交叉链接的酸四分盐基三分水凝与纤维细胞生长因子21用于糖尿病伤口愈合
Jingying Hu1,2, Yongqi Xu2, Danni Zhou2,3
1Department of Plastic Surgery, The Affiliated People's Hospital of Ningbo University, Ningbo 315040, China.
Biomaterials research
|January 29, 2026
概括
一种新的水凝,G/C-CS@FGF-21,通过减少炎症和促进愈合,有效治疗糖尿病伤口. 这种先进的生物材料加速了伤口的关闭,并为糖尿病伤口管理的临床应用提供了潜力.
科学领域:
- 生物材料科学 生物材料科学
- 再生医学是一种再生医学.
- 伤口治愈研究研究 伤口治愈研究
背景情况:
- 糖尿病伤口由于愈合障碍,慢性炎症和感染而带来了重大健康挑战.
- 目前的治疗方法缺乏足够的机械支持和有效的炎症解决,导致并发症.
研究的目的:
- 开发一种新型复合水凝,用于增强糖尿病伤口愈合.
- 创建一种生物材料,解决当前伤口护理方面的局限性.
主要方法:
- 制造一种三元复合水凝 (G/C-CS@FGF-21),使用可光交联的奇托四元盐 (CQS-MA),凝甲基酸盐 (GelMA) 和I型原蛋白,封装纤维细胞生长因子21 (FGF-21).
- 在体外评估巨细胞极化和纤维细胞活性.
- 在全厚糖尿病小鼠伤口愈合模型中的体内评估.
主要成果:
- 在实验室中,G/C-CS@FGF-21水凝证明促进了抗炎M2巨分化,增强了纤维细胞的增殖和迁移.
- 在体内研究表明,糖尿病小鼠用水凝治疗的伤口关闭加速.
- 水凝有效地减轻了炎症,并促进了重新上皮质化和血管生成.
结论:
- 开发的G/C-CS@FGF-21水凝协同结合了抗炎,抗菌,机械和细胞粘合性质.
- 这种复合水凝显示出促进糖尿病伤口修复所有阶段的巨大潜力.
- 这些发现表明,在治疗糖尿病伤口方面,临床转化有很大的潜力.
相关概念视频
04:08Determining the pH of Salt Solutions
48.0K
The pH of a salt solution is determined by its component anions and cations. Salts that contain pH-neutral anions and the hydronium ion-producing cations form a solution with a pH less than 7. For example, in ammonium nitrate (NH4NO3) solution, NO3− ions do not react with water whereas NH4+ ions produce the hydronium ions resulting in the acidic solution. In contrast, salts that contain pH-neutral cations and the hydroxide ion-producing anions form a solution with a pH greater than 7. For...
48.0K
02:02Responses to Salt Stress
14.6K
Salt stress—which can be triggered by high salt concentrations in a plant’s environment—can significantly affect plant growth and crop production by influencing photosynthesis and the absorption of water and nutrients.
14.6K
01:28Role of Hematopoietic Growth Factors
3.8K
Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
Thrombopoietin (TPO), mainly released by the liver,...
Thrombopoietin (TPO), mainly released by the liver,...
3.8K
01:29Factors Influencing Microbial Growth: pH
1.1K
Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...
1.1K
01:27Factors Influencing Microbial Growth: Temperature
1.2K
Microorganisms display remarkable adaptations, enabling them to thrive in diverse ecological niches across a wide range of temperatures. Temperature profoundly influences microbial growth by affecting enzymatic activity, membrane fluidity, and other cellular processes.Each microorganism operates within a specific temperature range defined by three cardinal points: minimum, optimum, and maximum. Below the minimum temperature, membranes lose fluidity, halting transport processes. Above the...
1.2K
01:28Factors Influencing Microbial Growth: Osmolarity
868
Osmolarity is the measure of solute concentration in a solution. It plays a critical role in determining water availability for organisms. Water moves across semipermeable membranes through osmosis, flowing from regions of lower solute concentration (more dilute) to regions of higher solute concentration (more concentrated).In high-solute environments, microbial cells lose water, leading to dehydration and inhibited growth. The extent to which water is available to microbes in such environments...
868