ArticleBiophysical journal2022
GM1 asymmetry in the membrane stabilizes pores.
Article in Biophysical journal, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed, 12 citations in OpenAlex.
- Electric-field manipulation of giant vesicles: new frontiers in membrane electromechanics.European biophysics journal : EBJ · 2026Review
- Membrane Fusion-Based Drug Delivery Liposomes Transiently Modify the Material Properties of Synthetic and Biological Membranes.Small (Weinheim an der Bergstrasse, Germany) · 2025Article
- Curvature-Assisted Vesicle Explosion Under Light-Induced Asymmetric Oxidation.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2024Article
- Bilayer Charge Asymmetry and Oil Residues Destabilize Membranes upon Poration.Langmuir : the ACS journal of surfaces and colloids · 2024Article
- Photomanipulation of Minimal Synthetic Cells: Area Increase, Softening, and Interleaflet Coupling of Membrane Models Doped with Azobenzene-Lipid Photoswitches.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Vesicle budding caused by lysolipid-induced asymmetry stress.Biophysical journal · 2023Article
- Assessing membrane material properties from the response of giant unilamellar vesicles to electric fields.Advances in physics: X · 2023Article
- Membrane asymmetry enhances nanotube formation and limits pore resealing after electroporation.Biophysical journal · 2022Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cell membranes are highly asymmetric and their stability against poration is crucial for survival. We investigated the influence of membrane asymmetry on electroporation of giant unilamellar vesicles with membranes doped with GM1, a ganglioside asymmetrically enriched in the outer leaflet of neuronal cell membranes. Compared with symmetric membranes, the lifetimes of micronsized pores are about an order of magnitude longer suggesting that pores are stabilized by GM1. Internal membrane nanotubes caused by the GM1 asymmetry, obstruct and additionally slow down pore closure, effectively reducing pore edge tension and leading to leaky membranes. Our results point to the drastic effects this ganglioside can have on pore resealing in biotechnology applications based on poration as well as on membrane repair processes.
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