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Autophagosomes and human diseases
The International Journal of Biochemistry & Cell Biology, 2011The autophagosome is a double-membrane bound compartment that initiates macroautophagy, a degradative pathway for cytoplasmic material terminating in the lysosomal compartment. The discovery of ATG genes involved in the formation of autophagosomes has greatly increased our understanding of the molecular basis of macroautophagy, and its role in cell ...
Isabelle, Beau +2 more
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Mechanisms governing autophagosome biogenesis
Nature Reviews Molecular Cell Biology, 2020Autophagosomes are double-membrane vesicles newly formed during autophagy to engulf a wide range of intracellular material and transport this autophagic cargo to lysosomes (or vacuoles in yeasts and plants) for subsequent degradation. Autophagosome biogenesis responds to a plethora of signals and involves unique and dynamic membrane processes ...
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Actin shapes the autophagosome
Nature Cell Biology, 2015Compared with most intracellular vesicles, the autophagosome is formed by an unusual event of vesicle budding involving an elusive sequence of membrane expansions that ends with a double membrane vesicle. It is now shown that actin polymerization inside the forming autophagosome is a driving force for the expansion and assembly of a functional ...
Petter, Holland, Anne, Simonsen
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Autophagosomal Membrane Origin and Formation
2021Autophagosome formation is a regulated membrane remodeling process, which involves the generation of autophagosomal membrane precursors (vesicles), the assembly of the autophagosomal membrane precursors to form the phagophore, and phagophore elongation to complete the autophagosome. The sources of the autophagosomal membrane precursors are endomembrane
Yi, Yang +3 more
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2008
Autophagy and phagocytosis are evolutionarily ancient processes functioning in capture and digestion of material found in the cellular interior and exterior, respectively. In their most primordial form, both processes are involved in cellular metabolism and feeding, supplying cells with externally obtained particulate nutrients or using portions of ...
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Autophagy and phagocytosis are evolutionarily ancient processes functioning in capture and digestion of material found in the cellular interior and exterior, respectively. In their most primordial form, both processes are involved in cellular metabolism and feeding, supplying cells with externally obtained particulate nutrients or using portions of ...
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Protein Trafficking into Autophagosomes
2008The methods described are designed to enable the assignment of an intracellular localization of secretory proteins, either soluble or membrane associated, to later secretory compartments, such as the trans-Golgi network (TGN) or endosome. These two subcellular compartments are closely linked through extensive protein trafficking, in both an anterograde
Andrew, Young, Sharon, Tooze
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Membrane dynamics in autophagosome biogenesis
Journal of Cell Science, 2015Bilayered phospholipid membranes are vital to the organization of the living cell. Based on fundamental principles of polarity, membranes create borders allowing defined spaces to be encapsulated. This compartmentalization is a prerequisite for the complex functional design of the eukaryotic cell, yielding localities that can differ in composition and ...
Sven R, Carlsson, Anne, Simonsen
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