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JCS ePress online publication date 3 Aug 2004
doi: 10.1242/jcs.01264

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Research Article

Neurogenesis of Rhesus adipose stromal cells


Soo Kyung Kang, Lorna A. Putnam, Joni Ylostalo, Ion Razvan Popescu, Jason Dufour, Andrei Belousov, and Bruce A. Bunnell*
* Author for correspondence (e-mail: bbunnell{at}tulane.edu)

In this study, we isolated and characterized a population of non-human primate adipose tissue stromal cells (pATSCs) containing multipotent progenitor cells. We show that these pATSCs can differentiate into several mesodermal lineages, as well as neural lineage cells. For neural induction of pATSCs and non-human primate bone marrow stromal cells (pBMSCs), the cells were cultured in Neurobasal (NB) media supplemented with B27, basic fibroblast growth factor (bFGF), brain-derived neurotrophic factor (BDNF) and epidermal growth factor (EGF). After 4 days in culture, the pATSCs form compact, spheroid bodies that ultimately become neurospheres (NS). Free-floating neurospheres undergo extensive differentiation when cultured on PDL-laminin. Our data suggest that the neurogenic potential of pATSCs is markedly higher than that of pBMSCs. We have also performed microarray analysis and characterized the gene expression patterns in undifferentiated pATSCs. The direct comparison of gene expression profiles in undifferentiated pATSCs and pATSC-NS, and delineated specific members of important growth factor, signaling, cell adhesion and transcription factors families. Our data indicate that adipose tissue may be an alternative source of stem cells for therapy of central nervous system (CNS) defects.
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