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Orthopaedic Proceedings
Vol. 96-B, Issue SUPP_11 | Pages 67 - 67
1 Jul 2014
Lai J Kajiyama G Smith R Maloney W Yang F
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Summary Statement

This work raises the potential of utilizing stem cells to catalyze cartilage regeneration by a minimal number of neonatal chondrocytes via controlling cell distribution in 3D matrices, and may solve the challenge of scarce donor availability associated with cell-based therapy.

Introduction

Cartilage loss is a leading cause of disability among adults and represents a huge socio-economical burden. Allogeneic neonatal articular chondrocytes (NChons) is a promising cell source for cartilage regeneration because these cells are highly proliferative, immune-privileged, and readily produce abundant cartilage matrix. However, scarce donor availability for NChons greatly hinders their broad clinical application. Besides their ability to differentiate into different tissue types, stem cells may contribute to tissue regeneration through the secretion of paracrine factors. Here we examined the potential for using a minimal number of NChons to catalyze cartilage tissue formation by co-culturing them with adipose-derived stem cells (ADSCs) in 3D biomimetic hydrogels.