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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.

Protein Glycosylation

Protein Glycosylation

Glycosylation, the most common post-translational modification for proteins, serves diverse functions. Adding sugars to proteins makes the proteins more resistant to proteolytic digestion. Glycosylated proteins can act as markers and receptors to promote cell-cell adhesion. Additionally, they have many essential quality control functions in the cell, such as correct protein folding and facilitating transport of misfolded proteins to the cytosol, which can be degraded.
Glycosylation occurs in...

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Related Experiment Video

Updated: Aug 14, 2025

Rapid Antibody Glycoengineering in Chinese Hamster Ovary Cells

Rapid Antibody Glycoengineering in Chinese Hamster Ovary Cells

Published on: June 2, 2022

Live-Cell Glycocalyx Engineering.

Yuxin Li¹, Mingzhen Wang¹, Senlian Hong¹

¹State Key Laboratory of Natural and Biomimetic Drugs, Chemical Biology Center, and School of Pharmaceutical Sciences, Peking University, Health Science Center, Beijing, 100191, China.

Chembiochem : a European Journal of Chemical Biology

|January 16, 2023

Summary

This summary is machine-generated.

Scientists are engineering the cell surface's "sugar forest," or glycocalyx, using new tools. This live-cell glycocalyx engineering creates novel cellular drugs and medical treatments for therapeutic applications.

Keywords:

adoptive cell therapy anti-cancer agents anti-inflammation glycocalyx engineering transplantation

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Last Updated: Aug 14, 2025

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Area of Science:

Biochemistry
Cell Biology
Biotechnology

Background:

The glycocalyx, a dense layer of glycans on cell surfaces, plays a crucial role in cellular functions.
Recent advancements in live-cell engineering have opened new avenues for manipulating the glycocalyx.
Understanding and modifying the glycocalyx is key to developing innovative medical treatments.

Purpose of the Study:

To provide an overview of current strategies for live-cell glycocalyx engineering.
To highlight the potential of these techniques in developing cellular drugs and therapies.
To underscore the importance of controlling cell-surface glycan structures for therapeutic applications.

Main Methods:

Overview of existing and emerging tools and techniques for glycocalyx manipulation.
Discussion of methods for altering glycan structures and functions on live cells.
Exploration of strategies to engineer cell-surface properties for specific therapeutic goals.

Main Results:

Live-cell glycocalyx engineering enables precise control over cell-surface molecular composition.
This control facilitates the development of targeted cellular therapies.
New tools empower scientists to endow cells with desired therapeutic properties.

Conclusions:

Live-cell glycocalyx engineering is a rapidly advancing field with significant therapeutic potential.
Continued research and development in this area are crucial for unlocking novel medical treatments.
The ability to engineer the glycocalyx offers a promising frontier in biotechnology and medicine.