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Related Concept Videos

Protein-protein Interfaces02:04

Protein-protein Interfaces

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Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a...
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Protein Networks02:26

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An organism can have thousands of different proteins, and these proteins must cooperate to ensure the health of an organism. Proteins bind to other proteins and form complexes to carry out their functions. Many proteins interact with multiple other proteins creating a complex network of protein interactions.
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Related Experiment Video

Updated: Nov 4, 2025

Author Spotlight: Unveiling the Structural and Dynamic Aspects of Glycan Molecular Recognition
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Elucidating Carbohydrate-Protein Interactions Using Nanoparticle-Based Approaches.

Dongyoon Kim1, Nowras Rahhal1,2, Christoph Rademacher1,2

  • 1Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria.

Frontiers in Chemistry
|May 28, 2021
PubMed
Summary
This summary is machine-generated.

Carbohydrate signatures on cell surfaces are crucial for immune recognition. Nanoparticles displaying specific carbohydrates help study these interactions, paving the way for new biomedical therapies.

Keywords:
endolysosomal sortinggold nanoparticlesligand mobilityliposomesmagnetic nanoparticlesquantum dots

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Area of Science:

  • Immunology
  • Glycobiology
  • Biomedicine

Background:

  • Cellular carbohydrates act as molecular fingerprints, crucial for immune system's self/non-self discrimination.
  • Understanding carbohydrate-receptor interactions is key to manipulating cellular immunology and developing novel therapies.

Purpose of the Study:

  • To review the use of nanoparticles for studying carbohydrate-protein interactions at cellular surfaces.
  • To explore the biomedical applications of this approach.

Main Methods:

  • Utilizing nanoparticles coated with defined carbohydrate structures to probe cellular recognition.
  • Analyzing cellular responses, including cytokine release and particle engulfment via endocytosis.

Main Results:

  • Nanoparticles effectively mimic cellular carbohydrate patterns, initiating immune responses.
  • The endolysosomal pathway's role in processing these particles is influenced by receptor-carbohydrate interactions.

Conclusions:

  • Nanoparticles are valuable tools for monitoring complex carbohydrate-protein interactions in cellular contexts.
  • This methodology shows promise for advancing biomedical applications, particularly in immunology and drug delivery.