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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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Covalent Binding of BMP-2 on Surfaces Using a Self-assembled Monolayer Approach
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Adding Functions to Biomaterial Surfaces through Protein Incorporation.

Małgorzata A Wronska1, Iain B O'Connor1, Maura A Tilbury1

  • 1Microbiology and Center for Research in Medical Devices (CÚRAM), National University of Ireland, Galway, Ireland.

Advanced Materials (Deerfield Beach, Fla.)
|May 12, 2016
PubMed
Summary

Biomaterial surfaces are being engineered with proteins and peptides to improve tissue integration and prevent infections. These advanced biomaterials offer enhanced cell interactions and can be replaced by new tissues, revolutionizing medical implants.

Keywords:
biomaterialsfunctionalizationpeptidesproteins

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Area of Science:

  • Biomaterials Science
  • Surface Chemistry
  • Tissue Engineering

Background:

  • Biomaterials have evolved from inert substances to dynamic matrices promoting tissue regeneration.
  • Surface functionalization with biomolecules is crucial for biocompatibility, immune evasion, and preventing bacterial colonization.

Purpose of the Study:

  • To review recent advancements in modifying hard biomaterial surfaces using proteins and peptides.
  • To highlight chemical immobilization techniques and platform technologies for biomolecule development.

Main Methods:

  • Immobilization of antibody fragments for targeted cell binding (e.g., stent endothelialization, drug delivery).
  • Incorporation of growth factors to stimulate bone formation.
  • Utilizing peptides and extracellular matrix proteins for specific cell interactions and antimicrobial properties.

Main Results:

  • Functionalized biomaterials demonstrate improved selective cell binding, proliferation, and matrix production.
  • Surface modification strategies effectively prevent bacterial colonization and biofilm formation.
  • Developed methods enable the isolation or synthesis of molecules for biomaterial functionalization.

Conclusions:

  • Proteins and peptides are key to developing next-generation biomaterials with enhanced biological functions.
  • Chemical and platform technologies are advancing the functionalization of biomaterials for diverse medical applications.