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Journal Articles FEBS Letters Year : 2001

The homeotic protein dlk is expressed during peripheral nerve development

Abstract

To investigate the molecular events controlling myelination of the peripheral nervous system, we compared gene expression of normal mouse sciatic nerves to that of the trembler mouse, whose Schwann cells are blocked in a pre-myelinating phenotype. Using cDNA array, we assessed expression levels of 1176 genes, and we found that delta-like protein (dlk), an epidermal growth factor-like homeotic protein, was expressed in the normal developing nerves, but at a low level in the dysmyelinating mutant trembler. Moreover, dlk expression was down-regulated when myelin protein expression was up-regulated, and no expression was observed in the developing brain. These results suggest that dlk expression is required for Schwann cell acquisition of the myelinating phenotype.
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hal-03513859 , version 1 (20-10-2022)

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Patricia Costaglioli, Christophe Côme, Anja Knoll-Gellida, Jérôme Salles, Claude Cassagne, et al.. The homeotic protein dlk is expressed during peripheral nerve development. FEBS Letters, 2001, 509 (3), pp.413-416. ⟨10.1016/s0014-5793(01)03205-7⟩. ⟨hal-03513859⟩
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