Autocrine regulation of neurite outgrowth from PC12 cells by nerve growth factor

Jagjit S. Gill, Angelo E. Schenone, Jewel L. Podratz, Anthony John Windebank

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

The PC12 cell line may be used as a model of NGF-induced neuronal differentiation. Exposure to NGF is accompanied by extension of neurites, cessation of growth and differentiation into cells resembling sympathetic neurons. In this study neurite outgrowth from PC12 cells was induced in serum-free, NGF-free medium conditions. Neurite outgrowth in serum-free conditions was abolished by exposure to anti-NGF antisera. Reverse transcription combined with polymerase chain reaction (RT-PCR) and in situ hybridization of PC12 cells in serum-free medium conditions revealed NGF transcripts. Western blot analysis of these cells revealed tyrosine phosphorylation of the high affinity NGF receptor (TrkA/gp140) and activation of a downstream signal cascade element, ERK-1/MAP kinase. NGF was also detected by a specific enzyme-linked immunoabsorbant assay (ELISA) revealing picogram levels of protein in conditioned medium and cell lysates. Survival of embryonic rat dorsal root ganglion neurons was maintained in cultures grown in this serum-free conditioned medium. This demonstrated that NGF may act as an autocrine or paracrine growth factor for PC12 cell differentiation.

Original languageEnglish (US)
Pages (from-to)123-131
Number of pages9
JournalMolecular Brain Research
Volume57
Issue number1
DOIs
StatePublished - Jun 1 1998

Fingerprint

PC12 Cells
Nerve Growth Factor
Serum-Free Culture Media
Conditioned Culture Medium
Cell Differentiation
Neurons
Nerve Growth Factor Receptor
Extracellular Signal-Regulated MAP Kinases
Spinal Ganglia
Neurites
Neuronal Outgrowth
Serum
Reverse Transcription
In Situ Hybridization
Tyrosine
Immune Sera
Intercellular Signaling Peptides and Proteins
Western Blotting
Phosphorylation
Cell Line

Keywords

  • Autocrine
  • Neurite outgowth
  • NGF
  • PC12 cell
  • RT-PCR
  • TrkA

ASJC Scopus subject areas

  • Molecular Biology
  • Cellular and Molecular Neuroscience

Cite this

Autocrine regulation of neurite outgrowth from PC12 cells by nerve growth factor. / Gill, Jagjit S.; Schenone, Angelo E.; Podratz, Jewel L.; Windebank, Anthony John.

In: Molecular Brain Research, Vol. 57, No. 1, 01.06.1998, p. 123-131.

Research output: Contribution to journalArticle

Gill, Jagjit S. ; Schenone, Angelo E. ; Podratz, Jewel L. ; Windebank, Anthony John. / Autocrine regulation of neurite outgrowth from PC12 cells by nerve growth factor. In: Molecular Brain Research. 1998 ; Vol. 57, No. 1. pp. 123-131.
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