Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts

Li Ma, Yang Z. Huang, Graham M. Pitcher, Juli G. Valtschanoff, Ying H. Ma, Lin Y. Feng, Bai Lu, Wencheng Xiong, Michael W. Salter, Richard J. Weinberg, Lin Mei

Research output: Contribution to journalArticle

114 Citations (Scopus)

Abstract

Neuregulin (NRG) regulates synapse formation and synaptic plasticity, but little is known about the regulation of NRG signaling at synapses. Here we show that the NRG receptor ErbB4 was localized in anatomically defined postsynaptic densities in the brain. In cultured cortical neurons, ErbB4 was recruited to the neuronal lipid raft fraction after stimulation by NRG. Along with ErbB4, adaptor proteins Grb2 and Shc were translocated to lipid rafts by NRG stimulation. In transfected human embryonic kidney 293 cells, the partitioning of ErbB4 into a detergent-insoluble fraction that includes lipid rafts was increased by PSD-95 (postsynaptic density-95), through interaction of the ErbB4 C terminus with the PDZ [PSD-95/Discs large/zona occludens-1] domains of PSD-95. Disruption of lipid rafts inhibited NRG-induced activation of Erk and prevented NRG-induced blockade of induction of long-term potentiation at hippocampal CA1 synapses. Thus, our results indicate that NRG stimulation causes translocation of ErbB4 into lipid rafts and that lipid rafts are necessary for signaling by ErbB4.

Original languageEnglish (US)
Pages (from-to)3164-3175
Number of pages12
JournalJournal of Neuroscience
Volume23
Issue number8
StatePublished - Apr 15 2003

Fingerprint

Neuregulins
Ligands
Post-Synaptic Density
Lipids
Synapses
Shc Signaling Adaptor Proteins
Neuronal Plasticity
Long-Term Potentiation
Herpes Zoster
Detergents
Kidney
Neurons

Keywords

  • ErbB4
  • Lipid rafts
  • Long-term potentiation
  • NRG
  • PSD-95
  • Postsynaptic density
  • Synaptic plasticity

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Ma, L., Huang, Y. Z., Pitcher, G. M., Valtschanoff, J. G., Ma, Y. H., Feng, L. Y., ... Mei, L. (2003). Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts. Journal of Neuroscience, 23(8), 3164-3175.

Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts. / Ma, Li; Huang, Yang Z.; Pitcher, Graham M.; Valtschanoff, Juli G.; Ma, Ying H.; Feng, Lin Y.; Lu, Bai; Xiong, Wencheng; Salter, Michael W.; Weinberg, Richard J.; Mei, Lin.

In: Journal of Neuroscience, Vol. 23, No. 8, 15.04.2003, p. 3164-3175.

Research output: Contribution to journalArticle

Ma, L, Huang, YZ, Pitcher, GM, Valtschanoff, JG, Ma, YH, Feng, LY, Lu, B, Xiong, W, Salter, MW, Weinberg, RJ & Mei, L 2003, 'Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts', Journal of Neuroscience, vol. 23, no. 8, pp. 3164-3175.
Ma L, Huang YZ, Pitcher GM, Valtschanoff JG, Ma YH, Feng LY et al. Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts. Journal of Neuroscience. 2003 Apr 15;23(8):3164-3175.
Ma, Li ; Huang, Yang Z. ; Pitcher, Graham M. ; Valtschanoff, Juli G. ; Ma, Ying H. ; Feng, Lin Y. ; Lu, Bai ; Xiong, Wencheng ; Salter, Michael W. ; Weinberg, Richard J. ; Mei, Lin. / Ligand-dependent recruitment of the ErbB4 signaling complex into neuronal lipid rafts. In: Journal of Neuroscience. 2003 ; Vol. 23, No. 8. pp. 3164-3175.
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