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| Citation | Vallejo, Y., Hortsch, M., Dubreuil, R.R. (1997). Ethanol does not inhibit the adhesive activity of Drosophila neuroglian or human L1 in Drosophila S2 tissue culture cells. J. Biol. Chem. 272(18): 12244--12247. (Export to RIS) | ||
| FlyBase ID | FBrf0093772 | ||
| Publication Type | Research paper | ||
| PubMed ID | 9115300 | ||
| PubMed Abstract | Members of the L1 family of homophilic neural cell adhesion molecules are thought to play an important role in nervous system development and function. It is also suggested that L1 is a direct target of ethanol in fetal alcohol syndrome, since ethanol inhibits the aggregation of cultured cells expressing L1 (Ramanathan, R., Wilkemeyer, M. F., Mittel, B., Perides, G., and Charness, M. E. (1996) J. Cell Biol. 133, 381-390). If ethanol acts directly on the homophilic adhesive function of the L1 molecule, then inhibition of aggregation by ethanol should be observed in any cell type that expresses L1. Here we examined the effect of physiologically relevant concentrations of ethanol on the aggregation of Drosophila S2 cells that expressed either neuroglian (the Drosophila homolog of L1) or human L1. The aggregation of these S2 cells is known to be solely dependent on the homophilic interactions between L1 or neuroglian molecules. Neither cell adhesion molecule was affected when cell aggregation assays were carried out in the presence of >/=38 mM ethanol. The recruitment of membrane skeleton assembly at sites of cell-cell contact (a transmembrane signaling function of human L1) was also unaffected by the presence of ethanol. Thus the previously described inhibition of cell adhesion by ethanol in L1-expressing cells cannot be explained by a simple direct effect on the adhesive activity of L1 family members. | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | J. Biol. Chem. | ||
| Title | Journal of Biological Chemistry | ||
| Publication Year | 1905- | ||
| ISBN/ISSN | 0021-9258 | ||
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Data from Reference
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| Alleles (2)
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| Genes (1)
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