相关实验视频
Updated: Jul 21, 2025

08:55
A Novel In Vitro Wound Healing Assay to Evaluate Cell Migration
Published on: March 17, 2018
22.1K
一种青类可以提供新的干预策略,防止皮肤伤口愈合
1Department of Biochemistry and Molecular Biology, Faculty of Basic Medical Science, Kunming Medical University, Kunming, 650500, Yunnan, China.
Cellular & molecular biology letters
|July 27, 2023
概括
一种新的两类,OA-RD17,和microRNA-632 (miR-632) 显示出伤口愈合的巨大潜力. OA-RD17通过调节巨细胞和角质细胞来促进皮肤再生,而miR-632则激活治疗的关键途径.
科学领域:
- 生物化学 生物化学
- 分子生物学分子生物学
- 再生医学是一种再生医学.
背景情况:
- 两动物衍生为开发用于皮肤伤口愈合的新疗法提供了有前途的途径.
- 了解皮肤修复背后的分子机制对于推进再生医学至关重要.
研究的目的:
- 研究一种新型两类,OA-RD17的治疗能力,以及它对皮肤伤口愈合的细胞和分子机制的影响.
- 评估OA-RD17和microRNA-632 (miR-632) 在临床前模型和ex vivo人类皮肤伤口中的治疗潜力.
主要方法:
- 在体外测试 (划痕,增殖,转井,殖民地形成) 用于评估OA-RD17和miR-632的疗效.
- 在小鼠和大鼠的体内研究,以及糖尿病患者的皮肤伤口的体外研究评估了治疗效果.
- 包括RNA测序,西式涂抹和免疫组织化学在内的分子技术阐明了潜在的机制.
主要成果:
- OA-RD17通过MAPK激活促进了巨细胞的增殖和迁移,并通过NF-κB抑制抑制了炎症.
- 在角质细胞中,OA-RD17通过TLR4激活了MAPK,增强了增殖和调节miR-632,这反过来激活了Wnt/β-catenin信号传递.
- 在小鼠和糖尿病患者的皮肤中,OA-RD17加速了伤口愈合,而在老鼠中,miR-632促进了全厚伤口愈合.
结论:
- 通过通过TLR4/MAPK/miR-632/Wnt/β-catenin轴调节巨细胞和角质细胞反应,OA-RD17在全厚度和深度二度烧伤方面显示出显著的治疗潜力.
- miR-632还激活了Wnt/β-catenin信号传递,有助于全厚皮肤的伤口愈合.
- 既OA-RD17和miR-632被确定为未来的治疗药物开发的有希望的候选人.
更多相关视频
相关概念视频
Clinical Applications of Epidermal Stem Cells
2.7K
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
2.7K
Phases of Wound Repair
6.1K
Following injury, the integrity of the injured tissues must be reestablished. For example, in skin tissue, wound repair involves coordination among resident skin cells, blood mononuclear cells, extracellular matrix, growth factors, and cytokines to complete the healing cascade.
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
Formation of Blood Clot
In case of deep injuries, trauma to blood vessels results in blood loss. In the meantime, phospholipids released from the ruptured endothelial cellular membrane are converted into arachidonic...
6.1K
Renewal of Skin Epidermal Stem Cells
2.5K
The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular...
2.5K

