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Retinal ganglion cell axons drive the proliferation of astrocytes in the developing rodent optic nerve

Burne, JF; Raff, MC; (1997) Retinal ganglion cell axons drive the proliferation of astrocytes in the developing rodent optic nerve. NEURON , 18 (2) 223 - 230.

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Abstract

We show that the proliferation of astrocytes in the developing rodent optic nerve absolutely depends on axons and that this axonal influence depends on axonal transport but not on axonal electrical activity. We also show that purified retinal ganglion cells stimulate DNA synthesis in optic nerve astrocytes in culture and that the effect can be mimicked by fibroblast growth factor but not by neuregulins or several other growth factors. Taken together with previous findings, our present results indicate that axons promote glial cell proliferation and survival in the developing optic nerve by at least three distinct mechanisms.

Type:Article
Title:Retinal ganglion cell axons drive the proliferation of astrocytes in the developing rodent optic nerve
Keywords:OLIGODENDROCYTE SURVIVAL, RAT, NEURONS, GROWTH, DIFFERENTIATION, MIGRATION, ANTIGEN, INVITRO, CULTURE, DEATH
UCL classification:UCL > School of Life and Medical Sciences > Faculty of Life Sciences > Biosciences (Division of)

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