Macroautophagy is a conserved degradative process mediated through formation of a unique double-membrane structure, the autophagosome. The discovery of autophagy-related (Atg) genes required for autophagosome formation has led to the characterization of approximately 20 genes mediating this process. Recent structural studies of the Atg proteins have provided the molecular basis for their function. Here we summarize the recent progress in elucidating the structural basis for autophagosome formation.
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http://dx.doi.org/10.1007/s11515-014-1293-3 | DOI Listing |
Int J Mol Sci
December 2024
Department of Neurology, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
Diabetic peripheral neuropathy (DPN) is a common complication of diabetes in both Type 1 (T1D) and Type 2 (T2D). While there are no specific medications to prevent or treat DPN, certain strategies can help halt its progression. In T1D, maintaining tight glycemic control through insulin therapy can effectively prevent or delay the onset of DPN.
View Article and Find Full Text PDFInt J Mol Sci
December 2024
School of Public Health, Capital Medical University, Beijing 100069, China.
Oxysterols, as metabolites of cholesterol, play a key role in cholesterol homeostasis, autophagosome formation, and regulation of immune responses. Disorders in oxysterol metabolism are closely related to the pathogenesis of neurodegenerative diseases. To systematically investigate the profound molecular regulatory mechanisms of neurodegenerative diseases, it is necessary to quantify oxysterols and their metabolites in central and peripheral biospecimens simultaneously and accurately.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
Institute of Microbiology, College of Life Sciences, Zhejiang University, Hangzhou 310058, China. Electronic address:
Fungi have evolved diverse physiological adaptations to hypoxic environments. However, the mechanisms mediating such adaptations remain obscure for many filamentous pathogenic fungi. Here, we show that autophagy mediated mitophagy occurs in the insect pathogenic fungus Beauveria bassiana under hypoxic conditions induced by host cellular immune responses.
View Article and Find Full Text PDFFASEB J
January 2025
State Key Laboratory of Virology, Institute of Medical Virology, Taikang Medical School (School of Basic Medical Sciences), Wuhan University, Wuhan, Hubei, China.
Hantaan virus (HTNV) infection causes severe hemorrhagic fever with renal syndrome (HFRS) in humans and the infectious process can be regulated by autophagy. The phosphatase and tensin homolog (PTEN) protein has antiviral effects and plays a critical role in the autophagy pathway. However, the relationship between PTEN and HTNV infection is not clear and whether PTEN-regulated autophagy involves in HTNV replication is unknown.
View Article and Find Full Text PDFCNS Neurosci Ther
January 2025
Shock and Transfusion Department, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China.
Background: Neuroinflammation is one of the essential pathogeneses of cognitive damage suffering from sepsis-associated encephalopathy (SAE). Lots of evidences showed the microglia presented mitochondrial fragmentation during SAE. This study investigated the protective effects and novel mechanisms of inhibiting microglia mitochondrial fragmentation via mitochondrial division inhibitor 1 (Mdivi-1) on cognitive damage in SAE.
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