Sequence, protein expression and extracellular-regulated kinase association of the hyaladherin RHAMM (receptor for hyaluronan mediated motility) in PC12 cells

B. D. Lynn, Xinbo Li, P. A. Cattini, J. I. Nagy

Research output: Contribution to journalArticlepeer-review

9 Scopus citations

Abstract

Differentiation of PC12 cells by nerve growth factor (NGF) or fibroblast growth factor-2 (FGF2) is dependent on signaling mediated by extracellular regulated kinase (ERK). We investigated the involvement of receptor for hyaluronan mediated motility (RHAMM) in this signaling pathway. A single RHAMM 3.2 kb transcript was detected in PC12 RNA. Reverse transcriptase-polymerase chain reaction generated a 2141 bp cDNA that had identical sequence to rat brain RHAMM and showed no evidence of alternate splicing. Several RHAMM species were identified by Western blotting. Immunohistochemistry showed RHAMM localization to the cytoskeleton, neurites and growth cones. Following stimulation of PC12 cells with NGF or FGF2 RHAMM was co-immunoprecipitated by phosphorylation-specific anti-ERK antibodies, indicating a role for RHAMM in ERK signaling in PC12 cells.

Original languageEnglish (US)
Pages (from-to)49-52
Number of pages4
JournalNeuroscience Letters
Volume306
Issue number1-2
DOIs
StatePublished - Jun 22 2001
Externally publishedYes

Keywords

  • Cytoskeleton
  • Extracellular regulated kinase signaling
  • Growth cone
  • Hyaluronan
  • Map kinase
  • Receptor tyrosine kinase

ASJC Scopus subject areas

  • General Neuroscience

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