Author: Kim Dong-Hwan
Publisher: Springer Publishing Company
ISSN: 2093-5552
Source: Journal of Pharmaceutical Investigation, Vol.43, Iss.2, 2013-04, pp. : 145-151
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Abstract
Human adipose-derived mesenchymal stem cells (AD-MSCs) have attracted much interest as an alternative to autologous chondrocytes and bone marrow-derived mesenchymal stem cells for cell-based therapy to repair cartilage defects. Sodium alginate (SA) beads have been widely known as a conventional stem cell delivery system for cartilage repair. Hyaluronic acid (HA) has been known to induce cell proliferation and chondrogenic differentiation. Herein, we prepared AD-MSCs-encapsulating SA beads with HA (SA-HA beads) and without HA (SA beads). Then, the morphology, proliferation, and chondrogenic differentiation of AD-MSCs cultured in SA-HA beads or SA beads with a conventional chondrogenic media were evaluated. There was no discernible difference in the morphology of AD-MSCs between SA-HA and SA beads. However, the proliferation (MTT optical density and DNA contents) and chondrogenic differentiation (s-GAG contents and type II collagen staining) of AD-MSCs were significantly enhanced in SA-HA beads as compared to SA beads. The present results suggest that HA can be added to SA beads-based cell delivery systems of AD-MSCs in order to improve their chondrogenesis-inducing capacity for repair of cartilage defects.
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