HDAC6 Regulates the Fusion of Autophagosome and Lysosome to Involve in Odontoblast Differentiation
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چکیده
منابع مشابه
New insights into autophagosome-lysosome fusion.
Macroautophagy (autophagy) is a highly conserved intracellular degradation system that is essential for homeostasis in eukaryotic cells. Due to the wide variety of the cytoplasmic targets of autophagy, its dysregulation is associated with many diseases in humans, such as neurodegenerative diseases, heart disease and cancer. During autophagy, cytoplasmic materials are sequestered by the autophag...
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Autophagy, the process for recycling cytoplasm in the lysosome, depends on membrane trafficking. We previously identified Drosophila Sbf as a Rab21 guanine nucleotide exchange factor (GEF) that acts with Rab21 in endosomal trafficking. Here, we show that Sbf/MTMR13 and Rab21 have conserved functions required for starvation-induced autophagy. Depletion of Sbf/MTMR13 or Rab21 blocked endolysosoma...
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15 صفحه اولPLEKHM1 regulates autophagosome-lysosome fusion through HOPS complex and LC3/GABARAP proteins.
The lysosome is the final destination for degradation of endocytic cargo, plasma membrane constituents, and intracellular components sequestered by macroautophagy. Fusion of endosomes and autophagosomes with the lysosome depends on the GTPase Rab7 and the homotypic fusion and protein sorting (HOPS) complex, but adaptor proteins that link endocytic and autophagy pathways with lysosomes are poorl...
متن کاملAutophagosome–lysosome fusion is independent of V-ATPase-mediated acidification
The ATP-dependent proton pump V-ATPase ensures low intralysosomal pH, which is essential for lysosomal hydrolase activity. Based on studies with the V-ATPase inhibitor BafilomycinA1, lysosomal acidification is also thought to be required for fusion with incoming vesicles from the autophagic and endocytic pathways. Here we show that loss of V-ATPase subunits in the Drosophila fat body causes an ...
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ژورنال
عنوان ژورنال: Frontiers in Cell and Developmental Biology
سال: 2020
ISSN: 2296-634X
DOI: 10.3389/fcell.2020.605609