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PPARβ agonists trigger neuronal differentiation in the human neuroblastoma cell line SH-SY5Y

✍ Scribed by S. Di Loreto; B. D'Angelo; M.A. D'Amico; E. Benedetti; L. Cristiano; B. Cinque; M.G. Cifone; M.P. Cerù; C. Festuccia; A. Cimini

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
644 KB
Volume
211
Category
Article
ISSN
0021-9541

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✦ Synopsis

Abstract

Neuroblastomas are pediatric tumors originating from immature neuroblasts in the developing peripheral nervous system. Differentiation therapies could help lowering the high mortality due to rapid tumor progression to advanced stages. Oleic acid has been demonstrated to promote neuronal differentiation in neuronal cultures. Herein we report on the effects of oleic acid and of a specific synthetic PPARβ agonist on cell growth, expression of differentiation markers and on parameters responsible for the malignancy such as adhesion, migration, invasiveness, BDNF, and TrkB expression of SH‐SY5Y neuroblastoma cells. The results obtained demonstrate that many, but not all, oleic acid effects are mediated by PPARβ and support a role for PPARβ in neuronal differentiation strongly pointing towards PPAR ligands as new therapeutic strategies against progression and recurrences of neuroblastoma. J. Cell. Physiol. 211: 837–847, 2007. © 2007 Wiley‐Liss, Inc.

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