Related Experiment Video
Updated: Oct 31, 2025
Author Spotlight: Advancements in Cell and Tissue Engineering for Tendon Repair
Published on: March 1, 2024
Human tendon-derived cell sheets created by magnetic force-based tissue engineering hold tenogenic and
Adriana Vinhas1, Ana I Gonçalves1, Márcia T Rodrigues1
13B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Avepark - Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
Magnetically assisted cell sheets (magCSs) using human tendon cells can model tendon inflammation. Pulsed electromagnetic fields (PEMF) reduce inflammation in these magCSs, showing potential for tendon regeneration therapies.
Area of Science:
- Biomaterials Science
- Tissue Engineering
- Regenerative Medicine
Background:
- Cell sheet technology and magnetic-based tissue engineering offer potential for creating magnetically responsive living tissue analogues.
- These technologies are valuable for both disease modeling and therapeutic applications.
- Cell sheet constructions closely mimic physiological niches, preserving cell-cell and cell-extracellular matrix interactions crucial for regeneration.
Purpose of the Study:
- To investigate the inflammatory response of magnetically assisted cell sheets (magCSs) made with human tendon-derived cells (hTDCs) when exposed to IL-1β.
- To explore the potential of magCSs for tendon disease modeling.
- To assess the effect of pulsed electromagnetic field (PEMF) stimulation on the inflammatory response of magCSs.
Main Methods:
- Construction of magCSs using hTDCs and magnetic nanoparticles.
- Exposure of magCSs to IL-1β to induce an inflammatory profile.
- Application of PEMF stimulation to magCSs during IL-1β exposure.
- Analysis of gene expression to evaluate inflammatory and anti-inflammatory responses, including the MAPK(ERK1/2) pathway.
Main Results:
- IL-1β induced a significant inflammatory profile in magCSs.
- PEMF stimulation modulated the IL-1β-induced inflammatory response, favoring the expression of anti-inflammatory genes.
- The anti-inflammatory effect of PEMF was associated with the MAPK(ERK1/2) pathway.
- MagCSs demonstrated immunomodulatory properties.
Conclusions:
- MagCSs provide a valuable in vitro model for studying inflammation-mediated events in tendon cells.
- PEMF stimulation exhibits immunomodulatory potential, reducing inflammation in magCSs.
- MagCSs hold promise for tendon regeneration therapies beyond their use in cell-based modeling.
