Tissue Eng Regen Med.
2023 Jul;20(4):563-580. 10.1007/s13770-023-00539-8.
Acoustic and Magnetic Stimuli-Based Three-Dimensional Cell Culture Platform for Tissue Engineering
- Affiliations
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- 1Division of Biomedical Convergence, Department of Medical Biotechnology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of Korea
- 2Department of Bio-Health Technology, College of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of Korea
- 3Division of Chemical Engineering and Bioengineering, College of Art Culture and Engineering, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of Korea
- 4Department of Bio-Health Convergence, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of Korea
- 5Department of Biomedical Science, Kangwon National University, Chuncheon-si, Gangwon-do 24341, Republic of Korea
- KMID: 2544429
- DOI: http://doi.org/10.1007/s13770-023-00539-8
Abstract
- In a conventional two-dimensional (2D) culture method, cells are attached to the bottom of the culture dish and grow into a monolayer. These 2D culture methods are easy to handle, cost-effective, reproducible, and adaptable to growing many different types of cells. However, monolayer 2D cell culture conditions are far from those of natural tissue, indicating the need for a threedimensional (3D) culture system. Various methods, such as hanging drop, scaffolds, hydrogels, microfluid systems, and bioreactor systems, have been utilized for 3D cell culture. Recently, external physical stimulation-based 3D cell culture platforms, such as acoustic and magnetic forces, were introduced. Acoustic waves can establish acoustic radiation force, which can induce suspended objects to gather in the pressure node region and aggregate to form clusters. Magnetic targeting consists of two components, a magnetically responsive carrier and a magnetic field gradient source. In a magnetic-based 3D cell culture platform, cells are aggregated by changing the magnetic force. Magnetic fields can manipulate cells through two different methods: positive magnetophoresis and negative magnetophoresis. Positive magnetophoresis is a way of imparting magnetic properties to cells by labeling them with magnetic nanoparticles. Negative magnetophoresis is a label-free principle-based method. 3D cell structures, such as spheroids, 3D network structures, and cell sheets, have been successfully fabricated using this acoustic and magnetic stimuli-based 3D cell culture platform. Additionally, fabricated 3D cell structures showed enhanced cell behavior, such as differentiation potential and tissue regeneration. Therefore, physical stimuli-based 3D cell culture platforms could be promising tools for tissue engineering.
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