Vascular endothelial growth factor and semaphorin induce neuropilin-1 endocytosis via separate pathways

Anna Salikhova, Ling Wang, Anthony A. Lanahan, Miaoliang Liu, Michael Simons, William P J Leenders, Debabrata Mukhopadhyay, Arie Horowitz

Research output: Contribution to journalArticle

79 Citations (Scopus)

Abstract

The neuropilin (Nrp)1 receptor is essential for both nervous and vascular system development. Nrp1 is unusually versatile, because it transmits both chemoattractive and repulsive signals in response to vascular endothelial growth factor (VEGF)-A and class 3 semaphorins, respectively. Both Nrp1 and VEGF receptor 2 undergo ligand-dependent endocytosis. We sought to establish the endocytic pathway of Nrp1 and to determine whether uptake is required for its signaling. Whereas Nrp1 underwent clathrin-dependent endocytosis in response to VEGFA165 treatment, semaphorin 3C (sema3C) induced lipid raft-dependent endocytosis. The myosin VI PDZ (postsynaptic density 95, Disk large, Zona occludens-1) adaptor protein synectin was essential for Nrp1 trafficking. Sema3C failed to inhibit migration of synectin endothelial cells, mirroring the lower migratory response of these cells to VEGFA165. These results show that the endocytic pathway of Nrp1 is determined by its ligand and that the trafficking of Nrp1 is essential for its signaling.

Original languageEnglish (US)
JournalCirculation Research
Volume103
Issue number6
DOIs
StatePublished - Sep 12 2008

Fingerprint

Neuropilin-1
Semaphorins
Endocytosis
Vascular Endothelial Growth Factor A
Zonula Occludens-1 Protein
Ligands
Post-Synaptic Density
Vascular Endothelial Growth Factor Receptor-2
Clathrin
Nervous System
Blood Vessels
Endothelial Cells
Lipids

Keywords

  • Endocytosis
  • Lipid rafts
  • Neuropilin-1
  • VEGFR2

ASJC Scopus subject areas

  • Physiology
  • Cardiology and Cardiovascular Medicine

Cite this

Salikhova, A., Wang, L., Lanahan, A. A., Liu, M., Simons, M., Leenders, W. P. J., ... Horowitz, A. (2008). Vascular endothelial growth factor and semaphorin induce neuropilin-1 endocytosis via separate pathways. Circulation Research, 103(6). https://doi.org/10.1161/CIRCRESAHA.108.183327

Vascular endothelial growth factor and semaphorin induce neuropilin-1 endocytosis via separate pathways. / Salikhova, Anna; Wang, Ling; Lanahan, Anthony A.; Liu, Miaoliang; Simons, Michael; Leenders, William P J; Mukhopadhyay, Debabrata; Horowitz, Arie.

In: Circulation Research, Vol. 103, No. 6, 12.09.2008.

Research output: Contribution to journalArticle

Salikhova, Anna ; Wang, Ling ; Lanahan, Anthony A. ; Liu, Miaoliang ; Simons, Michael ; Leenders, William P J ; Mukhopadhyay, Debabrata ; Horowitz, Arie. / Vascular endothelial growth factor and semaphorin induce neuropilin-1 endocytosis via separate pathways. In: Circulation Research. 2008 ; Vol. 103, No. 6.
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