ArticleThe Journal of cell biology1995
Calcium-regulated exocytosis is required for cell membrane resealing.
Article in The Journal of cell biology, 1995. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 137 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
137 citing papers in PubMed, 283 citations in OpenAlex.
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- Early Endosomes Act as Local Exocytosis Hubs to Repair Endothelial Membrane Damage.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2023Article
- Role of calcium-sensor proteins in cell membrane repair.Bioscience reports · 2023Review
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- An Overview of Cell Membrane Perforation and Resealing Mechanisms for Localized Drug Delivery.Pharmaceutics · 2022Review
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- Restructuring of the plasma membrane upon damage by LC3-associated macropinocytosis.Science advances · 2021Article
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77 more citing papers are in PubMed but not listed here.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors at 1 institution in 1 country.
Funding
Abstract
Using confocal microscopy, we visualized exocytosis during membrane resealing in sea urchin eggs and embryos. Upon wounding by a laser beam, both eggs and embryos showed a rapid burst of localized Ca(2+)-regulated exocytosis. The rate of exocytosis was correlated quantitatively with successfully resealing. In embryos, whose activated surfaces must first dock vesicles before fusion, exocytosis and membrane resealing were inhibited by neurotoxins that selectively cleave the SNARE complex proteins, synaptobrevin, SNAP-25, and syntaxin. In eggs, whose cortical vesicles are already docked, vesicles could be reversibly undocked with externally applied stachyose. If cortical vesicles were undocked both exocytosis and plasma membrane resealing were completely inhibited. When cortical vesicles were transiently undocked, exposure to tetanus toxin and botulinum neurotoxin type C1 rendered them no longer competent for resealing, although botulinum neurotoxin type A was still ineffective. Cortical vesicles transiently undocked in the presence of tetanus toxin were subsequently fusion incompetent although to a large extent they retained their ability to redock when stachyose was diluted. We conclude that addition of internal membranes by exocytosis is required and that a SNARE-like complex plays differential roles in vesicle docking and fusion for the repair of disrupted plasma membrane.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.