Chemical inducers and transcriptional markers of oligodendrocyte differentiation.

Abstract:

:Oligodendrocytes generate and maintain myelin, which is essential for axonal function and protection of the mammalian central nervous system. To advance our molecular understanding of differentiation by these cells, we screened libraries of pharmacologically active compounds and identified inducers of differentiation of Oli-neu, a stable cell line of mouse oligodendrocyte precursors (OPCs). We identified four broad classes of inducers, namely, forskolin/cAMP (protein kinase A activators), steroids (glucocorticoids and retinoic acid), ErbB2 inhibitors, and nucleoside analogs, and confirmed the activity of these compounds on rat primary oligodendrocyte precursors and mixed cortical cultures. We also analyzed transcriptional responses in the chemically induced mouse and rat OPC differentiation processes and compared these with earlier studies. We confirm the view that ErbB2 is a natural signaling component that is required for OPC proliferation, whereas ErbB2 inhibition or genetic knockdown results in OPC differentiation.

journal_name

J Neurosci Res

authors

Joubert L,Foucault I,Sagot Y,Bernasconi L,Duval F,Alliod C,Frossard MJ,Pescini Gobert R,Curchod ML,Salvat C,Nichols A,Pouly S,Rommel C,Roach A,Hooft van Huijsduijnen R

doi

10.1002/jnr.22434

subject

Has Abstract

pub_date

2010-09-01 00:00:00

pages

2546-57

issue

12

eissn

0360-4012

issn

1097-4547

journal_volume

88

pub_type

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