Abstract
Three-dimensional (3D) cell culture is a promising method for maintaining mature cell functions due to its advantageous structural characteristics. Spheroid culture is one of the most commonly used 3D cell culture methods due to its convenience of manufacture. Successful application of spheroids requires that cells survive within the structure and engraft at transplantation sites. This study proposes a new spheroid formation method containing hyaluronic acid (HA) microparticles for 3D cell culture. The spheroids containing HA microparticles showed higher cell migration activity and a higher survival rate and albumin secretion ability after transplantation into the liver of mice, compared to plain spheroids. This 3D cell culture system with HA microparticles in spheroids could be a promising strategy to improve the engraftment and efficiency of cell therapy for regenerative medicine.
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