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Computational Mechanics

, Volume 63, Issue 3, pp 471–489 | Cite as

Encapsulated piezoelectric nanoparticle–hydrogel smart material to remotely regulate cell differentiation and proliferation: a finite element model

  • S. Jamaleddin Mousavi
  • Mohamed Hamdy DoweidarEmail author
Original Paper

Abstract

Regenerative medicine is one of the most promising future approaches for the treatment of damaged tissues and organs. Its methodologies are based on a good understanding and control of cellular behavior within in-vivo tissues, and this represents an important challenge. Cell behavior can be controlled, among other stimuli, by changing the mechanical properties of the extracellular matrix, applying external/internal forces, and/or reproducing an electric stimulus. To remotely control the local cell micro-environment, we consider in this work a microsphere of cell size made of a piezoelectric material and charged with nanomagnetic particles. This microsphere is integrated within an extracellular matrix, in such a way that internal forces can be generated within the microsphere by means of an external magnetic field. As a result, a stiffness gradient and an electric field are generated around the microsphere. These stimuli can be controlled externally by changing the magnetic field intensity and direction. To fine-tune this process and achieve the desired cell numbers, a computational numerical simulation has been developed and employed for several cell phenotypes using the ABAQUS software with the user-define subroutine UEL. The 3D numerical model presented can successfully predict the fundamental aspects of cell maturation, differentiation, proliferation, and apoptosis within a nonlinear substrate. The results obtained, which are in agreement with previous experimental and computational works, show that the generated stiffness gradient as well as the electric field within the cell micro-environment can play a highly significant role in remotely controlling the lineage specification of the Mesenchymal Stem Cells and accelerating cell migration and proliferation, which opens the door to new methodologies of tissue regeneration.

Keywords

Regenerative medicine Differentiation and proliferation Signals-induced matrices Piezoelectric material Mechanotaxis Electrotaxis Finite element method 

Notes

Acknowledgements

The authors gratefully acknowledge the financial support from the Spanish Ministry of Economy and Competitiveness (MINECO MAT2016-76039-C4-4-R, AEI/FEDER, UE), the Government of Aragon (DGA-T24_17R) and the Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN). CIBER-BBN is financed by the Instituto de Salud Carlos III with assistance from the European Regional Development Fund.

Supplementary material

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • S. Jamaleddin Mousavi
    • 1
    • 2
    • 3
  • Mohamed Hamdy Doweidar
    • 1
    • 2
    • 3
    Email author
  1. 1.Mechanical Engineering Department, School of Engineering and Architecture (EINA)University of ZaragozaZaragozaSpain
  2. 2.Aragón Institute of Engineering Research (I3A)University of ZaragozaZaragozaSpain
  3. 3.Biomedical Research Networking Center in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN)ZaragozaSpain

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