Presence of physiologically stimulated RET in adult rat brain: Induction of RET expression during nerve regeneration

G. Luca Colucci-D'Amato, Amelia D'Alessio, Ghislaine Filliatreau, Tullio Florio, Luigi Di Giamberardino, Gennaro Chiappetta, Giancarlo Vecchio, Alfredo Fusco, Massimo Santoro, Vittorio De Franciscis

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Abstract

The product of the RET proto-oncogene is a protein belonging to the receptor-like tyrosine kinase superfamily. RET is expressed in several neural crest-derived cell lineages and has been implicated in the correct development of the peripheral nervous system. To gain further insight into RET function, we investigated the presence of active RET in adult rat tissues. We show, by immunoblotting, that the products of the RET proto- oncogene (p155(ret)) are present in specific regions of adult rat brain, including the cerebellum, striatum, brainstem, hypothalamus, hippocampus, and olfactory bulb. Moreover, in the cerebellum, p155(ret) is phosphorylated in tyrosine residues, thus indicating that this brain structure contains p155(ret) in an activated state. Finally, the presence of RET in motoneurons prompted us to analyze the effects of hypoglossal nerve section on its expression. We observed a dramatic increase in p155(ret) in the motoneuron nuclei, thus suggesting that RET tyrosine kinase plays a role in the neuronal response to axotomy and/or during nerve regeneration.

Original languageEnglish
Pages (from-to)1081-1086
Number of pages6
JournalCell Growth and Differentiation
Volume7
Issue number8
Publication statusPublished - 1996

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Nerve Regeneration
Proto-Oncogenes
Motor Neurons
Cerebellum
Hypoglossal Nerve
Axotomy
Neural Crest
Olfactory Bulb
Peripheral Nervous System
Brain
Receptor Protein-Tyrosine Kinases
Cell Lineage
Immunoblotting
Protein-Tyrosine Kinases
Hypothalamus
Brain Stem
Tyrosine
Hippocampus
Proteins

ASJC Scopus subject areas

  • Cell Biology
  • Molecular Biology

Cite this

Luca Colucci-D'Amato, G., D'Alessio, A., Filliatreau, G., Florio, T., Di Giamberardino, L., Chiappetta, G., ... De Franciscis, V. (1996). Presence of physiologically stimulated RET in adult rat brain: Induction of RET expression during nerve regeneration. Cell Growth and Differentiation, 7(8), 1081-1086.

Presence of physiologically stimulated RET in adult rat brain : Induction of RET expression during nerve regeneration. / Luca Colucci-D'Amato, G.; D'Alessio, Amelia; Filliatreau, Ghislaine; Florio, Tullio; Di Giamberardino, Luigi; Chiappetta, Gennaro; Vecchio, Giancarlo; Fusco, Alfredo; Santoro, Massimo; De Franciscis, Vittorio.

In: Cell Growth and Differentiation, Vol. 7, No. 8, 1996, p. 1081-1086.

Research output: Contribution to journalArticle

Luca Colucci-D'Amato, G, D'Alessio, A, Filliatreau, G, Florio, T, Di Giamberardino, L, Chiappetta, G, Vecchio, G, Fusco, A, Santoro, M & De Franciscis, V 1996, 'Presence of physiologically stimulated RET in adult rat brain: Induction of RET expression during nerve regeneration', Cell Growth and Differentiation, vol. 7, no. 8, pp. 1081-1086.
Luca Colucci-D'Amato G, D'Alessio A, Filliatreau G, Florio T, Di Giamberardino L, Chiappetta G et al. Presence of physiologically stimulated RET in adult rat brain: Induction of RET expression during nerve regeneration. Cell Growth and Differentiation. 1996;7(8):1081-1086.
Luca Colucci-D'Amato, G. ; D'Alessio, Amelia ; Filliatreau, Ghislaine ; Florio, Tullio ; Di Giamberardino, Luigi ; Chiappetta, Gennaro ; Vecchio, Giancarlo ; Fusco, Alfredo ; Santoro, Massimo ; De Franciscis, Vittorio. / Presence of physiologically stimulated RET in adult rat brain : Induction of RET expression during nerve regeneration. In: Cell Growth and Differentiation. 1996 ; Vol. 7, No. 8. pp. 1081-1086.
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