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Updated: May 23, 2025

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Engineering the Immune Response to Biomaterials.

Abolfazl Salehi Moghaddam1, Mehran Bahrami2, Einollah Sarikhani3

  • 1Department of Bioengineering, P.C. Rossin College of Engineering & Applied Science, Lehigh University, Bethlehem, PA, 18015, USA.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|April 15, 2025
PubMed
Summary
This summary is machine-generated.

Biomaterials can cause immune reactions leading to implant failure. New strategies integrate immunomodulators into biomaterials to control immune responses, improving implant success and patient outcomes.

Keywords:
bioactivebiodegradablebiomaterialimmune reaction modulationinflammation

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Area of Science:

  • Biomaterials Science
  • Immunology
  • Regenerative Medicine

Background:

  • Biomaterials used as implants often trigger adverse immune responses, leading to inflammation and potential implant failure.
  • The body's immune system recognizes biomaterials as foreign, initiating innate immunity and chronic inflammatory cascades.
  • Current strategies focus on modifying material properties or using bioactive materials to improve host tissue integration.

Purpose of the Study:

  • To review emerging immunomodulatory strategies for biomaterials.
  • To explore the integration of drug delivery systems and advanced immunomodulators with biomaterials.
  • To highlight the potential of these strategies in enhancing implant function and longevity.

Main Methods:

  • Review of current literature on biomaterial-induced immune responses.
  • Analysis of strategies for modifying biomaterial composition, surface, and mechanical properties.
  • Investigation of bioactive materials and immunomodulatory approaches, including drug delivery systems, molecules, and cells.

Main Results:

  • Biomaterial surface and composition modifications can mitigate adverse tissue reactions.
  • Bioactive materials promote desirable tissue integration and bonding with host tissue.
  • Incorporation of immunomodulatory systems (drug delivery, molecular, cellular) offers advanced control over immune responses.

Conclusions:

  • Emerging immunomodulatory strategies offer enhanced control over the immune response to biomaterials.
  • These advanced biomaterial designs promise improved implant performance, longevity, and therapeutic outcomes.
  • Future research directions include further integration of sophisticated immunomodulators for tailored clinical applications.