Related Experiment Video
Updated: Feb 25, 2026

Control of Cell Adhesion using Hydrogel Patterning Techniques for Applications in Traction Force Microscopy
Published on: January 29, 2022
Endogenous signalling control of cell adhesion by using aptamer functionalized biocompatible hydrogel
Wen Li1,2, Jiasi Wang1,2, Jinsong Ren1
1Laboratory of Chemical Biology and State Key Laboratory of Rare Earth Resource Utilization , Changchun Institute of Applied Chemistry , Chinese Academy of Sciences , Changchun , Jilin 130022 , P. R. China .
Researchers created a dynamic hydrogel that responds to biological signals, controlling cell adhesion. This biomaterial innovation allows for precise manipulation of cellular interactions using nucleic acid aptamers.
Area of Science:
- Biomaterials Science
- Cell Biology
- Biotechnology
Background:
- Controlling cell-cell and cell-matrix interactions is crucial for understanding biological processes.
- Biological signal-responsive biomaterials are key to achieving this control.
Purpose of the Study:
- To develop a dynamic hydrogel capable of responding to biological signals.
- To control cell adhesion within a cellular microenvironment using these signals.
Main Methods:
- Utilized nucleic acid aptamers to recognize specific cellular signals.
- Engineered a dynamic hydrogel scaffold that modulates bioligand display based on detected signals.
- Investigated the response to both exogenous and endogenous cellular signaling.
Main Results:
- Demonstrated the hydrogel's ability to dynamically control cell adhesion.
- Showcased the system's responsiveness to both external and internally secreted biological signals.
- Confirmed that the hydrogel can tune cell adhesion states based on cellular microenvironment cues.
Conclusions:
- The developed dynamic hydrogel effectively controls cell adhesion through biological signal recognition.
- This aptamer-based system offers a versatile platform for multiple biological inputs.
- The technology holds significant potential for advancing the understanding and manipulation of cellular behaviors.
Related Concept Videos
Intracellular Signaling Affects Focal Adhesions
Some...
Immunoglobulin-like Cell Adhesion Molecules
Ig-CAMs exhibit either homophilic binding (to other Ig-CAMs) or heterophilic binding (to other ligands such as integrins). While most Ig-CAMs...
Cell Adhesion in Plants
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
Cell Adhesion Molecules - Types and Functions
CAM Families
The Integrin family of proteins is primarily involved...
Anchoring Junctions
Overview of Cell-Matrix Interactions

