passages.id: split_6_test_2253_passage
passages.type: progene_text
passages.text: Using the model of lysolecithin - induced demyelination of the corpus callosum in wild - type , NCAM - deficient , and endoneuraminidase - injected mice , we have analyzed the consequences of the loss of expression of NCAM or PSA residues on the migration and proliferation capacities of neural precursors of the subventricular zone ( SVZ ) .