Myelin-associated glycoprotein, a member of the L2/HNK-1 family of neural cell adhesion molecules, is involved in neuron-oligodendrocyte and oligodendrocyte-oligodendrocyte interaction.

M. Poltorak, R. Sadoul, G. Keilhauer, C. Landa, T. Fahrig, Melitta Camartin

Research output: Contribution to journalArticle

282 Citations (Scopus)

Abstract

A monoclonal antibody to the myelin-associated glycoprotein (MAG) was prepared and characterized to probe for the involvement of MAG in cell surface interactions among neural cells in vitro. The antibody reacts specifically with oligodendrocyte cell surface and myelin-rich brain regions as expected from previous investigations. Not all O4 antigen-positive oligodendrocytes express MAG in vitro. Fab fragments of the antibody interfere with neuron to oligodendrocyte and oligodendrocyte to oligodendrocyte adhesion, but not with oligodendrocyte to astrocyte adhesion. MAG-containing liposomes bind to the cell surfaces of the appropriate target cells by a mechanism that is specifically inhibitable by Fab fragments of monoclonal MAG antibodies, demonstrating that MAG is a neural cell adhesion molecule.

Original languageEnglish (US)
Pages (from-to)1893-1899
Number of pages7
JournalThe Journal of cell biology
Volume105
Issue number4
DOIs
StatePublished - Jan 1 1987

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Myelin-Associated Glycoprotein
Neural Cell Adhesion Molecules
Oligodendroglia
Neurons
Immunoglobulin Fab Fragments
Antibodies
Myelin Sheath
Liposomes
Cell Communication
Astrocytes
Monoclonal Antibodies
Antigens
Brain

All Science Journal Classification (ASJC) codes

  • Cell Biology

Cite this

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abstract = "A monoclonal antibody to the myelin-associated glycoprotein (MAG) was prepared and characterized to probe for the involvement of MAG in cell surface interactions among neural cells in vitro. The antibody reacts specifically with oligodendrocyte cell surface and myelin-rich brain regions as expected from previous investigations. Not all O4 antigen-positive oligodendrocytes express MAG in vitro. Fab fragments of the antibody interfere with neuron to oligodendrocyte and oligodendrocyte to oligodendrocyte adhesion, but not with oligodendrocyte to astrocyte adhesion. MAG-containing liposomes bind to the cell surfaces of the appropriate target cells by a mechanism that is specifically inhibitable by Fab fragments of monoclonal MAG antibodies, demonstrating that MAG is a neural cell adhesion molecule.",
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Myelin-associated glycoprotein, a member of the L2/HNK-1 family of neural cell adhesion molecules, is involved in neuron-oligodendrocyte and oligodendrocyte-oligodendrocyte interaction. / Poltorak, M.; Sadoul, R.; Keilhauer, G.; Landa, C.; Fahrig, T.; Camartin, Melitta.

In: The Journal of cell biology, Vol. 105, No. 4, 01.01.1987, p. 1893-1899.

Research output: Contribution to journalArticle

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T1 - Myelin-associated glycoprotein, a member of the L2/HNK-1 family of neural cell adhesion molecules, is involved in neuron-oligodendrocyte and oligodendrocyte-oligodendrocyte interaction.

AU - Poltorak, M.

AU - Sadoul, R.

AU - Keilhauer, G.

AU - Landa, C.

AU - Fahrig, T.

AU - Camartin, Melitta

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