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Definitions of G4 Antigen

  1. Cell adhesion molecules that mediate neuron- neuron adhesion and neuron- astrocyte adhesion. They are expressed on neurons and Schwann cells, but not astrocytes and are involved in neuronal migration, neurite fasciculation, and outgrowth. Ng- CAM is immunologically and structurally distinct from NCAM ( NEURAL CELL ADHESION MOLECULES).
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