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Updated: Sep 20, 2025

Fabrication of Micro-tissues using Modules of Collagen Gel Containing Cells
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Sugar Functionalized Collagen Material for Local Modulation of Innate Immunity.

Francesca Taraballi1,2, Claudia Corbo3,4, Julia Enterria-Rosales5

  • 1Center for Musculoskeletal Regeneration, Houston Methodist Academic Institute, Houston, TX, USA.

Advanced Science (Weinheim, Baden-Wurttemberg, Germany)
|May 24, 2025
PubMed
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This summary is machine-generated.

A new Local Immunotuning Patch (LIP) uses mannose to modulate the immune response at implant sites. This biomaterial innovation shows potential for wound healing and infection control in reconstructive surgery.

Area of Science:

  • Biomaterials Science
  • Immunology
  • Regenerative Medicine

Background:

  • Early innate immune responses to implants significantly influence adaptive immunity.
  • Biomaterials can be engineered to beneficially modulate the host immune response.
  • Controlling the foreign body reaction is crucial for implant success.

Purpose of the Study:

  • To develop and characterize an innovative patch targeting innate immunity at the implant site.
  • To investigate the immunomodulatory potential of mannose-functionalized collagen patches.
  • To assess the efficacy of the Local Immunotuning Patch (LIP) in vitro and in vivo.

Main Methods:

  • Incorporation of mannose moieties into collagen patches to create the Local Immunotuning Patch (LIP).
  • In vitro testing on bone marrow-derived macrophages to evaluate anti-inflammatory effects.
Keywords:
immunomodulatory patchinnate immunitymannosesugar functionalization

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  • In vitro assessment of inhibitory properties against methicillin-resistant bacterial strains.
  • Subcutaneous implantation in mice to analyze modulation of innate and adaptive immune pathways.

    • Main Results:

    • LIP demonstrated anti-inflammatory effects on macrophages in vitro.
    • LIP exhibited inhibitory activity against methicillin-resistant bacterial strains.
    • In vivo studies showed LIP modulates key innate and adaptive immune pathways.
    • The patch effectively shapes an immune-engineered environment around the implant.

    Conclusions:

    • The Local Immunotuning Patch (LIP) is a promising strategy for controlling the foreign body reaction.
    • Mannose-functionalized biomaterials can beneficially tune the immune response.
    • LIP holds potential for applications in wound healing and surgical infection control.