ArticlePflugers Archiv : European journal of physiology2007
Ethanol alters access to the cell nucleus.
Article in Pflugers Archiv : European journal of physiology, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed, 8 citations in OpenAlex.
- Human Tyrosyl-DNA Phosphodiesterase 1 Possesses Transphosphooligonucleotidation Activity With Primary Alcohols.Frontiers in cell and developmental biology · 2020Article
- Imaging CFTR in its native environment.Pflugers Archiv : European journal of physiology · 2008Review
- Atomic force microscopy visualises a hydrophobic meshwork in the central channel of the nuclear pore.Pflugers Archiv : European journal of physiology · 2008Article
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Authors and funding
7 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Ethanol is the most frequently used drug among humans. We tested the hypothesis whether ethanol, at clinically relevant concentrations modifies, signaling across the nuclear envelope (NE). In cell nuclei isolated from Xenopus oocytes, we measured NE electrical resistance and NE macromolecule permeability 1 to 20 h after addition of ethanol (0.05 to 0.2%). Furthermore, with atomic force microscopy, nuclear pores of the NE were imaged after exposure to ethanol. We found that NE permeability decreased within hours of ethanol exposure. In parallel, nuclei swell and nuclear pores form clusters in the NE. Force measurements on individual nuclear pores indicate that pores found in clusters are stiffer than those found randomly distributed in the NE. Application of a transcription blocker (actinomycin D) or RNase treatment of isolated nuclei in vitro after ethanol exposure prevents the permeability changes. In conclusion, ethanol, at commonly used concentrations, changes NE structure by transcriptional processes in the cell nucleus. Within hours, the NE becomes less permeable for diffusible ions and macromolecules. This could explain altered signaling to and communication with the cell nucleus in the pathophysiology of alcohol abuse.
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Registered trials
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