ArticleAutophagy2023
FACS-mediated isolation of native autophagic vesicles.
Article in Autophagy, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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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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13 authors.
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Abstract
Autophagosome isolation enables the thorough investigation of structural components and engulfed materials. Recently, we introduced a novel antibody-based FACS-mediated method for isolation of native macroautophagic/autophagic vesicles and confirmed the quality of the preparations. We performed phospholipidomic and proteomic analyses to characterize autophagic vesicle-associated phospholipids and protein cargoes under different autophagy conditions. Lipidomic analyses identified phosphoglycerides and sphingomyelins within autophagic vesicles and revealed that the lipid composition was unaffected by different rates of autophagosome formation. Proteomic analyses identified more than 4500 potential autophagy substrates and showed that in comparison to autophagic vesicles isolated under basal autophagy conditions, starvation only marginally affected the cargo profile. Proteasome inhibition, however, resulted in the enhanced degradation of ubiquitin-proteasome system components. Taken together, the novel isolation method enriched large quantities of autophagic vesicles and enabled detailed analyses of their lipid and cargo composition.
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