相关实验视频

Updated: Jul 15, 2025

Profiling of Permethylated Mucin O-glycans Using Matrix-assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry

Profiling of Permethylated Mucin O-glycans Using Matrix-assisted Laser Desorption/Ionization Time-of-flight Mass Spectrometry

Published on: June 20, 2025

人工真样甘油聚合物的生物相容性分析

P Trosan¹, J S J Tang², R R Rosencrantz^2,3

¹Department of Ophthalmology, University Medical Center Rostock, 18057 Rostock, Germany.

International journal of molecular sciences

|September 28, 2023

概括

新的人工甘油聚合物模仿自然的粘膜来保护眼睛表面. 这些模仿粘素的材料没有细胞毒性,为眼科治疗和改善眼睛滑提供了潜力.

科学领域:

生物材料科学生物材料科学
眼科医生眼科眼科
细胞生物学细胞生物学

背景情况:

眼睛表面依赖眼膜的粘蛋白成分进行滑和保护.
隐形眼镜的磨损和眼部疾病可能会损害自然的粘蛋白功能.
开发合成粘素替代品对于眼科疗法至关重要.

研究的目的:

为眼睛表面应用合成和评估模仿粘素的糖聚合物.
在人类角膜上皮细胞上评估新型甘油聚合物的生物相容性和安全性.
确定这些合成材料在恢复眼睛表面滑和保护方面的潜力.

主要方法:

合成11个中性,正和负电荷的糖聚合物.
用不同度的糖聚合物培养人类角膜上皮细胞 (HCE) (1%,0.1%,0.01% w/v).
使用细胞毒性/活力测定,细胞形态观测和免疫组织化学 (IHC) 的分析.

主要成果:

在11种合成的甘油聚合物中,有6种在0.01% w/v下对HCE细胞没有表现出细胞毒性作用.
选择的甘油聚合物不会对细胞活力产生负面影响.
与对照组相比,用选择的甘油聚合物治疗的细胞保持了正常的形态和特征标记.

结论:

合成的甘油聚合物有效地模仿天然的粘膜,而不会对角膜细胞造成伤害.
这些糖聚合物的非细胞毒性支持它们在眼科配方中的潜在用途.
这些模仿素的材料为开发用于眼睛表面滑和保护的先进解决方案提供了有希望的途径.

关键词:

角膜角膜角膜是一个皮质角膜细胞皮质角膜细胞葡萄糖聚合物葡萄糖聚合物一个叫做mucincin的孩子.

更多相关视频

Mucin Agarose Gel Electrophoresis: Western Blotting for High-molecular-weight Glycoproteins

Mucin Agarose Gel Electrophoresis: Western Blotting for High-molecular-weight Glycoproteins

Published on: June 14, 2016

Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution

Using Unfixed, Frozen Tissues to Study Natural Mucin Distribution

Published on: September 21, 2012

相关概念视频

Glycosaminoglycans

Glycosaminoglycans

Glycosaminoglycans (GAGs), also known as mucopolysaccharides, are long and linear polymers comprising of specific repeating disaccharides - the amino sugar that can be N-acetylglucosamine or N-acetylgalactosamine, and a uronic acid that is usually glucuronic acid or iduronic acid.
GAGS are found in the extracellular matrix of vertebrates, invertebrates, and bacteria. Due to their polar nature they attract water, and serve as excellent lubricants or shock absorbers in an animal body.
Hyaluronic...

Proteoglycans

Proteoglycans

Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...

Glycocalyx and its Functions

Glycocalyx and its Functions

The glycocalyx is a carbohydrate-rich, fuzzy-appearing layer on the outer surface of the cell membrane. It is highly hydrophilic, because of this it attracts large amounts of water to the cell's surface. This aids the cell's interaction with the watery environment and also helps it to obtain substances dissolved in the water. It is also important for cell identification, self/non-self determination, and embryonic development and is used in cell-to-cell attachments to form tissues.