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Cell adhesion is  an essential aspect of multicellularity. While stable cell interactions usually occur between cells of the same type, transient cell interactions occur between cells of different tissue types, such as between neutrophils and endothelial cells. Selectins are one class of cell adhesion molecules (CAMs) that bind carbohydrate ligands to form transient cell adhesion. They are rod-like proteins with a long extracellular part of variable length ending with the lectin domain, which...
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Optimizing the Genetic Incorporation of Chemical Probes into GPCRs for Photo-crosslinking Mapping and Bioorthogonal Chemistry in Live Mammalian Cells
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Engineering cell surfaces for orthogonal selectability.

Yingjie Peng1, Dae Hee Kim, Teresa M Jones

  • 1Department of Chemistry, The Scripps Research Institute, La Jolla, CA 92037, USA.

Angewandte Chemie (International Ed. in English)
|December 15, 2012
PubMed
Summary
This summary is machine-generated.

Researchers engineered cell surfaces to display a chitin-binding domain (ChBD) for novel molecular interactions. This chitin-binding functionality is unique to eukaryotes, offering new possibilities for cell targeting and manipulation.

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Area of Science:

  • Biotechnology
  • Molecular Biology
  • Cell Biology

Background:

  • Eukaryotic cells lack inherent chitin-binding capabilities.
  • Chitin is a biopolymer with unique binding properties.

Purpose of the Study:

  • To engineer eukaryotic cell surfaces with chitin-binding functionality.
  • To create a novel molecular interaction for cell surface modification.

Main Methods:

  • Construction of vectors expressing the chitin-binding domain (ChBD).
  • Fusion of ChBD to enhanced green fluorescent protein (EGFP) via a transmembrane protein.
  • Expression of the construct on eukaryotic cell surfaces.

Main Results:

  • Successfully displayed functional ChBD on eukaryotic cell surfaces.
  • The ChBD facilitated specific binding interactions.
  • The engineered binding was orthogonal to native eukaryotic cell functions.

Conclusions:

  • Eukaryotic cells can be endowed with chitin-binding properties.
  • This creates an orthogonal molecular handle for cell surface engineering.
  • Potential applications in targeted delivery and diagnostics.