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Omega-3 and-6 Fatty...
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Gu, Chaoyi,1992Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
(författare)
Omega-3 and-6 Fatty Acids Alter the Membrane Lipid Composition and Vesicle Size to Regulate Exocytosis and Storage of Catecholamines
- Artikel/kapitelEngelska2024
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LIBRIS-ID:oai:gup.ub.gu.se/335392
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https://gup.ub.gu.se/publication/335392URI
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https://doi.org/10.1021/acschemneuro.3c00741DOI
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The two essential fatty acids, alpha-linolenic acid and linoleic acid, and the higher unsaturated fatty acids synthesized from them are critical for the development and maintenance of normal brain functions. Deficiencies of these fatty acids have been shown to cause damage to the neuronal development, cognition, and locomotor function. We combined electrochemistry and imaging techniques to examine the effects of the two essential fatty acids on catecholamine release dynamics and the vesicle content as well as on the cell membrane phospholipid composition to understand how they impact exocytosis and by extension neurotransmission at the single-cell level. Incubation of either of the two fatty acids reduces the size of secretory vesicles and enables the incorporation of more double bonds into the cell membrane structure, resulting in higher membrane flexibility. This subsequently affects proteins regulating the dynamics of the exocytotic fusion pore and thereby affects exocytosis. Our data suggest a possible pathway whereby the two essential fatty acids affect the membrane structure to impact exocytosis and provide a potential treatment for diseases and impairments related to catecholamine signaling.
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Philipsen, Mai H.,1988Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology(Swepub:gu)xhoama
(författare)
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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
(författare)
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Göteborgs universitetInstitutionen för kemi och molekylärbiologi
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:ACS CHEMICAL NEUROSCIENCE15:4, s. 816-8261948-7193
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