在模拟慢性疾病中开发药物载荷的基于凝的水凝膜,用于损伤愈合的伤口愈合
María Del Carmen Morán1,2, Alessia Cocci Grifoni1, Francesca Cirisano3
1Departament de Bioquímica i Fisiologia, Secció de Fisiologia-Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Avda. Joan XXIII, 27-31, 08028 Barcelona, Spain.
Pharmaceutics
|January 28, 2026
概括
新的凝水凝膜提供5-甲 (5-FU),用于治疗慢性伤口中的状细胞癌 (SCC). 这些pH响应膜对癌细胞具有选择性毒性,提供了有前途的伤口愈合疗法.
科学领域:
- 生物材料科学 生物材料科学
- 药物输送系统 药物输送系统
- 在瘤学瘤学.
背景情况:
- 慢性伤害影响全球许多人,增加了诸如状细胞癌 (SCC) 等并发症的风险.
- 由于持续的炎症,SCC可以在慢性伤口中发展.
- 在这些具有挑战性的伤口环境中,SCC需要有针对性的治疗方法.
研究的目的:
- 为了开发响应pH的基于凝的水凝膜.
- 将5-甲 (5-FU) 纳入针对性SCC治疗中.
- 为了评估薄膜在模拟的慢性伤口状况中的有效性.
主要方法:
- 用5 - FU装载的凝水凝薄膜的配方.
- 膜特性 (表面,胀,溶解) 的表征.
- 在体外评估血红相容性,细胞毒性和对皮肤癌细胞的选择性毒性.
主要成果:
- 水凝膜表现出pH值依赖的胀和溶解,适合慢性伤口pH值.
- 电影表现出良好的透明度,可湿性和纳米尺度的统一性.
- 观察到与A431皮肤癌细胞的优异血红相容性和选择性毒性,对健康细胞的影响最小.
结论:
- 开发的基于凝的水凝膜显示了针对慢性伤口的SCC治疗的潜力.
- 薄膜的pH响应性,生物相容性和选择性细胞毒性质支持它们作为输送系统的使用.
- 该平台提供了一种新的治疗策略,用于在不愈合的伤口中治疗皮肤癌.
相关概念视频
Stress: General Loading Conditions
561
To grasp the intricacy of real-world conditions where multiple loads are applied simultaneously to a structure, one might visualize a section passing through a specific point within a body, aligned parallel to the xy plane. This section is subjected to various forces, including original loads, normal forces, and shearing forces.
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes....
The shearing force, possessing potential directionality within the plane of the section, is simplified into two component forces running parallel to the x and y axes....
561
In Vitro Drug Release Testing: Overview, Development and Validation
327
In vitro dissolution and drug release tests assess how quickly and how much of a drug is released from its dosage form into an aqueous medium under standardized laboratory conditions. These tests are essential tools in pharmaceutical development and quality assurance, offering insight into the drug's performance before clinical use.During formulation development, dissolution testing identifies incomplete or inconsistent drug release issues. It also supports decisions on selecting the optimal...
327
Impact Loading
691
Impact loading occurs when a moving object collides with a stationary structure, such as a rod with a uniform cross-sectional area fixed at one end. Under these conditions, the rod absorbs the kinetic energy from the striking object, leading to deformation and subsequent stress development. As the rod returns to its original position and reaches maximum stress, the absorbed energy, initially manifested as kinetic energy, transforms entirely into strain energy.
In cases of elastic deformation,...
In cases of elastic deformation,...
691
Factors Affecting Renal Clearance: Renal Impairment
454
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
454
Distributed Loads
967
Distributed loads are a common type of load that engineers and scientists encounter in various practical situations. Distributed loads often refer to a type of load spread over a surface or a structure and can be modeled as continuous force per unit area.
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
For example, consider a bookshelf filled with books stacked vertically adjacent to each other. The weight of the books is evenly distributed over the length of the shelf. As a result, the pressure at different locations on the surface of the...
967
Eccentric Loading
944
Eccentric loading is a crucial concept in the study of structural engineering and mechanics, particularly when analyzing the stability and stress distribution in columns. Unlike centric loading, where the force is applied along the centroidal axis, causing uniform compression, eccentric loading occurs when a force is applied off-center. This off-center application introduces not only direct compressive stress but also bending stress, significantly influencing the column's behavior under...
944


