ArticleAlcoholism, clinical and experimental research2014
Effect of lipid raft disruption on ethanol inhibition of l1 adhesion.
Article in Alcoholism, clinical and experimental research, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 6 citations in OpenAlex.
- Article
- Increased plasmin-mediated proteolysis of L1CAM in a mouse model of idiopathic normal pressure hydrocephalus.Proceedings of the National Academy of Sciences of the United States of America · 2021Article
- Effects of prenatal alcohol exposure (PAE): insights into FASD using mouse models of PAE.Biochemistry and cell biology = Biochimie et biologie cellulaire · 2018Review
- L1 coupling to ankyrin and the spectrin-actin cytoskeleton modulates ethanol inhibition of L1 adhesion and ethanol teratogenesis.FASEB journal : official publication of the Federation of American Societies for Experimental Biology · 2018Article
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Authors and funding
2 authors at 2 institutions in 1 country.
Funding
Abstract
backgroundAlcohol causes fetal alcohol spectrum disorders in part by disrupting the function of the neural cell adhesion molecule L1. Alcohol inhibits L1-mediated cell-cell adhesion in diverse cell types and inhibits L1-mediated neurite outgrowth in cerebellar granule neurons (CGNs). A recent report indicates that ethanol (EtOH) induces the translocation of L1 into CGN lipid rafts and that disruption of lipid rafts prevents EtOH inhibition of L1-mediated neurite outgrowth. The same butanol-pentanol cutoff was noted for alcohol-induced translocation of L1 into lipid rafts that was reported previously for alcohol inhibition of L1 adhesion, suggesting that EtOH might inhibit L1 adhesion by shifting L1 into lipid rafts.
methodsThe NIH/3T3 cell line, 2A2-L1s , is a well-characterized EtOH-sensitive clonal cell line that stably expresses human L1. Cells were treated with 25 mM EtOH, 5 μM filipin, or both. Lipid rafts were enriched in membrane fractions by preparation of detergent-resistant membrane (DRMs) fractions. Caveolin-1 was used as a marker of lipid rafts, and L1 and Src were quantified by Western blotting in lipid-raft-enriched membrane fractions and by immunohistochemistry.
resultsEtOH (25 mM) increased the percentage of L1, but not Src, in 2A2-L1s membrane fractions enriched in lipid rafts. Filipin, an agent known to disrupt lipid rafts, decreased the percentage of caveolin and L1 in DRMs from 2A2-L1s cells. Filipin also blocked EtOH-induced translocation of L1 into lipid rafts from 2A2-L1s cells but did not significantly affect L1 adhesion or EtOH inhibition of L1 adhesion.
conclusionsThese findings indicate that EtOH does not inhibit L1 adhesion in NIH/3T3 cells by inducing the translocation of L1 into lipid rafts.
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