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  • Title: A comparative study of axon-surrounding cells in the two nasal nerve tracts from mouse olfactory epithelium and vomeronasal organ.
    Author: Nakajima M, Tsuruta M, Mori H, Nishikawa C, Okuyama S, Furukawa Y.
    Journal: Brain Res; 2013 Mar 29; 1503():16-23. PubMed ID: 23410787.
    Abstract:
    The olfactory and vomeronasal systems are the two nasal chemical detectors in mammals. While glial cells in the olfactory nerve tracts have been well-investigated, little is known about cells in the vomeronasal nerve tracts. In the present study, we compared the expression patterns of marker proteins in the cells comprising the two nasal nerve tracts in mice. Neural crest-derived cells surrounded the olfactory nerve axons in the lamina propria of the olfactory epithelium. These cells expressed glial fibrillary acidic protein (GFAP) and p75 glycoprotein, which are markers of olfactory ensheathing cells. Neural crest-derived cells also surrounded the vomeronasal nerve axons in the lamina propria of the vomeronasal epithelium. These nerve axon-surrounding cells, however, did not express GFAP or p75. Rather, the vomeronasal nerve axons expressed GFAP and p75. These results suggest that axon-surrounding cells functionally differ between the olfactory and vomeronasal nerve tracts.
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