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Plasticity in exocy...
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Gu, Chaoyi,1992Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
(author)
Plasticity in exocytosis revealed through the effects of repetitive stimuli affect the content of nanometer vesicles and the fraction of transmitter released
- Article/chapterEnglish2019
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2019-09-30
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Proceedings of the National Academy of Sciences,2019
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LIBRIS-ID:oai:gup.ub.gu.se/285279
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https://gup.ub.gu.se/publication/285279URI
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https://doi.org/10.1073/pnas.1910859116DOI
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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Electrochemical techniques with disk and nano-tip electrodes, together with calcium imaging, were used to examine the effect of short-interval repetitive stimuli on both exocytosis and vesicular content in a model cell line. We show that the number of events decreases markedly with repeated stimuli suggesting a depletion of exocytosis machinery. However, repetitive stimuli induce a more stable fusion pore, leading to an increased amount of neurotransmitter release. In contrast, the total neurotransmitter content inside the vesicles decreases after repetitive stimuli, resulting in a higher average release fraction from each event. We suggest a possible mechanism regarding a link between activity-induced plasticity and fraction of release.
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Larsson, AnnaGothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology(Swepub:gu)xlaral
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Ewing, Andrew G,1957Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology(Swepub:gu)xewian
(author)
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Göteborgs universitetInstitutionen för kemi och molekylärbiologi
(creator_code:org_t)
Related titles
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In:Proceedings of the National Academy of Sciences of the United States of America: Proceedings of the National Academy of Sciences116:43, s. 21409-214150027-8424
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In:Proceedings of the National Academy of Sciences: Proceedings of the National Academy of Sciences116:43, s. 21409-214151091-6490
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