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Multicellular organisms contain a variety of structurally and functionally distinct cell types, but the DNA in all the cells originated from the same parent cells. The differences in the cells can be attributed to the differential gene expression. Liver cells, whose functions include detoxification of blood, production of bile to metabolize fats, and synthesis of proteins essential for metabolism, must express a specific set of genes to perform their functions. Gene expression also varies with...
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Related Experiment Video

Updated: Feb 11, 2026

Isolation and Culture Expansion of Tumor-specific Endothelial Cells
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A Versatile Dynamic Mussel-Inspired Biointerface: From Specific Cell Behavior Modulation to Selective Cell Isolation.

Lei Liu1, Xiaohua Tian1, Yue Ma2

  • 1Institute for Advanced Materials, School of Materials Science and Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China.

Angewandte Chemie (International Ed. in English)
|May 8, 2018
PubMed
Summary
This summary is machine-generated.

Researchers developed a dynamic biointerface using mussel-inspired chemistry. This novel system dynamically presents cell-binding sequences in response to sugar levels, enabling control over cell adhesion and tumor cell isolation.

Keywords:
cell adhesiondynamic biointerfacemussel-inspired peptidesreversible covalent bondstumor cell capture

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Area of Science:

  • Biomaterials Science
  • Chemical Biology
  • Cell Biology

Background:

  • Developing dynamic biointerfaces is crucial for understanding cell behavior and creating advanced medical tools.
  • Existing biointerfaces often lack responsiveness to biological stimuli like sugar fluctuations.
  • Mussel-inspired chemistry offers a promising route for creating robust and adaptable biomaterials.

Purpose of the Study:

  • To create a novel dynamic biointerface utilizing reversible catechol-boronate chemistry.
  • To investigate the dynamic presentation of bioactivity in response to changing sugar concentrations.
  • To explore the application of this biointerface in modulating stem cell adhesion and isolating tumor cells.

Main Methods:

  • Synthesized biomimetically designed peptides with catechol and cell-binding sequences.
  • Utilized mussel-inspired catechol-boronate interactions for reversible peptide-substrate binding.
  • Employed phenylboronic acid (PBA) functionalized polymer-grafted substrates.
  • Investigated sugar-responsive modulation of stem cell adhesion and tumor cell isolation.

Main Results:

  • Successfully created a dynamic biointerface based on reversible catechol-boronate chemistry.
  • Demonstrated dynamic presentation of cell-binding sequences modulated by sugar concentration.
  • Showcased the ability to dynamically control stem cell adhesion behaviors.
  • Achieved selective isolation of tumor cells using the developed biointerface.

Conclusions:

  • The mussel-inspired dynamic biointerface offers a novel platform for stimuli-responsive biomaterials.
  • This system effectively mimics biological glycemic volatility for dynamic bioactivity presentation.
  • The biointerface shows significant potential for fundamental cell biology research and clinical applications, including cell adhesion modulation and cancer cell separation.