相关实验视频
Updated: Jul 22, 2026
06:55
Protocol to Create Chronic Wounds in Diabetic Mice
Published on: September 25, 2019
20.4K
二甲衍生物积极调节CXCR4信号,并改善糖尿病伤口愈合
Satyamaheshwar Peddibhotla1, Karly Caples1, Alka Mehta1
1Department of Pharmacodynamics, College of Pharmacy, University of Florida, Gainesville, FL 32610, USA.
Biochemical pharmacology
|August 27, 2023
概括
一种新的化合物UCUF-965通过准CXCR4受体加速糖尿病伤口愈合. 这种提亚衍生物增强了细胞迁移和血管生成,显著减少了糖尿病小鼠的伤口关闭时间.
科学领域:
- 生物医学研究的研究.
- 药理学 药理学是指药理学的学科.
- 伤口愈合研究研究研究
背景情况:
- 糖尿病伤口修复是由于受损的愈合过程而面临的重大挑战.
- 通过其受体CXCR4发送信号的C-X-C动因化学因子连接体12 (CXCL12) 对于组织修复至关重要.
- 糖尿病中低CXCL12表达与伤口愈合不良相关,突出了治疗干预的必要性.
研究的目的:
- 发现和描述调节CXCR4信号的新型小分子,以改善糖尿病伤口修复.
- 与以前识别的化合物相比,识别一种新的化学支架,其强度有所提高.
- 评估UCUF-965在糖尿病伤口愈合的临床前模型中的治疗潜力.
主要方法:
- 高通量选和CXCR4受体调节器的表征.
- 在体外测试中评估β-逮捕素招募,cAMP信号传递和细胞迁移.
- 在小鼠纤维细胞中分析微RNA调制.
- 在体内研究评估了糖尿病小鼠模型中的伤口关闭时间和血管生成标志物.
主要成果:
- 发现UCUF-965,一种强大的CXCR4部分激动剂,与之前的化合物相比,其效力增加.
- UCUF-965增强了CXCL12介导的信号传递,增强了淋巴细胞迁移,并调节了相关的微RNA.
- UCUF-965在体内显示出血管新生标志物的显著增强.
- 在10.0μM剂量的糖尿病小鼠中,UCUF-965减少了36%的伤口愈合时间.
结论:
- UCUF-965代表了一种有前途的新型治疗候选物,可以加速糖尿病伤口的修复.
- 该化合物作为CXCR4受体的阳性全调节剂 (PAM) 激动剂.
- UCUF-965的多方面的机制,包括增强的血管生成和细胞迁移,为治疗糖尿病伤口提供了可行的策略.
相关概念视频
01:31Diabetic Foot Ulcer
Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
01:22Diabetic Neuropathy
DefinitionDiabetic neuropathy is nerve damage caused by long-standing diabetes mellitus. It results directly from prolonged high blood sugar levels.PathophysiologyThe pathophysiology of diabetic neuropathy involves both metabolic and vascular disturbances triggered by chronic hyperglycemia.Metabolic injury: Elevated glucose levels activate the polyol pathway within nerve cells, leading to the accumulation of sorbitol and fructose. This increases oxidative stress, disrupts normal nerve...