Neuropathy-causing mutations in HSPB1 impair autophagy by disturbing the formation of SQSTM1/p62 bodies.

abstract：:Regulation of intestinal epithelial turnover is a key component of villus maintenance in the intestine. The balance of cell turnover can be perturbed by various extrinsic factors including the cytokine TNF, a cell signaling protein that mediates both proliferative and cytotoxic outcomes. Under conditions of infection ...

journal_title：Autophagy

authors： Jung H,Leal-Ekman JS,Lu Q,Stappenbeck TS

更新日期：2019-11-01 00:00:00

abstract：:Autophagy resembles a recycling process in which proteins, organelles, or regions of the cytoplasm are enveloped and degraded. We have found that two of the central autophagy proteins, MAP1LC3 (microtubule-associated protein 1 light chain 3, also described as LC3) and UVRAG (UV radiation resistance associated/UV radia...

journal_title：Autophagy

authors： Mir SU,Schwarze SR,Jin L,Zhang J,Friend W,Miriyala S,St Clair D,Craven RJ

更新日期：2013-10-01 00:00:00

abstract：:We demonstrated for the first time that the COP9 signalosome (COPS) controls the degradation of a surrogate and a bona fide misfolded protein in the cytosol of cardiomyocytes likely via supporting ubiquitination by CUL/cullin-RING ligases, and that Cops8 hypomorphism exacerbates cardiac proteinopathy in mice, in which...

journal_title：Autophagy

authors： Liu J,Su H,Wang X

更新日期：2016-01-01 00:00:00

abstract：:The bioactive sphingolipid metabolite sphingosine-1-phosphate (S1P) and the enzyme that produces it, SPHK1 (sphingosine kinase 1), regulate many processes important for the etiology of cancer. It has been suggested that SPHK1 levels are regulated by the tumor suppressor protein TP53, a key regulator of cell cycle arre...

journal_title：Autophagy

authors： Lima S,Takabe K,Newton J,Saurabh K,Young MM,Leopoldino AM,Hait NC,Roberts JL,Wang HG,Dent P,Milstien S,Booth L,Spiegel S

更新日期：2018-01-01 00:00:00

abstract：:Recent evidence has indicated that the lysosome is able to act as a signaling organelle that senses nutrient availability and generates an adaptive response that is important for cellular homeostasis. We recently discovered another example of lysosomal signaling where lysosomal calcium release activates the master aut...

journal_title：Autophagy

authors： Medina DL,Ballabio A

更新日期：2015-01-01 00:00:00

abstract：:The conserved target of rapamycin (TOR) kinase is a central regulator of cell growth in response to nutrient availability. TOR forms 2 structurally and functionally distinct complexes, TORC1 and TORC2, and negatively regulates autophagy via TORC1. Here we demonstrate TOR also operates independently through the TORC2 s...

journal_title：Autophagy

authors： Vlahakis A,Powers T

更新日期：2014-01-01 00:00:00

abstract：:Autophagy is a fundamental process for anti-viral defense. Not surprisingly, viruses have developed strategies to subvert or use autophagy for their own benefit. In cell culture, autophagy proteins are proviral factors that favor initiation of hepatitis C virus (HCV) infection. Autophagy proteins are required for tran...

journal_title：Autophagy

authors： Dreux M,Chisari FV

更新日期：2009-11-01 00:00:00

abstract：:It has been a longstanding problem to identify specific and efficient pharmacological modulators of autophagy. Recently, we found that depletion of acetyl-coenzyme A (AcCoA) induced autophagic flux, while manipulations designed to increase cytosolic AcCoA efficiently inhibited autophagy. Thus, the cell permeant ester ...

journal_title：Autophagy

authors： Mariño G,Pietrocola F,Kong Y,Eisenberg T,Hill JA,Madeo F,Kroemer G

更新日期：2014-05-01 00:00:00

abstract：:Macroautophagy/autophagy is an intracellular degradative pathway that is often induced as a pro-survival process for cells under stress. A few recent reports establish the role of the glycogen metabolic pathway in neuronal cell survival in conditions such as oxidative stress and hypoxia, and the possible link between ...

journal_title：Autophagy

authors： Onkar A,Sheshadri D,Ganesh S

更新日期：2020-11-01 00:00:00

abstract：:Macroautophagy (referred to as autophagy) is an evolutionarily conserved, bulk-destruction process in eukaryotes. During this process, the cytoplasm containing long-lived proteins and organelles is engulfed into double-membrane autophagosomes, and ultimately undergoes enzymatic degradation within lysosomes. Autophagy ...

journal_title：Autophagy

authors： Wang L,Dong Z,Huang B,Zhao B,Wang H,Zhao J,Kung H,Zhang S,Miao J

更新日期：2010-11-01 00:00:00

abstract：:Alterations in contractile activity influence the intracellular homeostasis of muscle, which results in adaptations in the performance and the phenotype of this tissue. Denervation is an effective disuse model that functions to change the intracellular environment of muscle leading to a rapid loss in mass, a decrease ...

journal_title：Autophagy

authors： O'Leary MF,Hood DA

更新日期：2009-02-01 00:00:00

abstract：:Autophagy removes long-lived proteins and damaged organelles and is important for maintaining cellular homeostasis. It can also serve in innate immunity to remove intracellular pathogens. As such, viruses have evolved different mechanisms to subvert this innate immune response. We have recently demonstrated that hepat...

journal_title：Autophagy

authors： Sir D,Liang C,Chen WL,Jung JU,Ou JH

更新日期：2008-08-01 00:00:00

abstract：:Macroautophagy/autophagy is emerging as an important process in adult muscle stem cells functions: it regulates metabolic reprogramming during activation from a quiescent state, maintains stemness and prevents senescence. We now show that autophagy is specifically required for neonatal myogenesis and muscle developmen...

journal_title：Autophagy

authors： Zecchini S,Giovarelli M,Perrotta C,Morisi F,Touvier T,Di Renzo I,Moscheni C,Bassi MT,Cervia D,Sandri M,Clementi E,De Palma C

更新日期：2019-01-01 00:00:00

abstract：:Abnormal aggregation of SNCA/?-synuclein plays a crucial role in Parkinson disease (PD) pathogenesis. SNCA levels determine its toxicity, and its accumulation, even to a small extent, may be a risk factor for neurodegeneration. One of the main pathways for SNCA degradation is chaperone-mediated autophagy (CMA), a sele...

journal_title：Autophagy

authors： Xilouri M,Brekk OR,Kirik D,Stefanis L

更新日期：2013-12-01 00:00:00

abstract：:Reactive oxygen species (ROS) that accumulate under oxidative pressure cause severe damage to cellular components, and induce various cellular responses, including apoptosis, programmed necrosis and autophagy, depending on the cellular setting. Various studies have described ROS-induced autophagy, but only a few direc...

journal_title：Autophagy

authors： Eisenberg-Lerner A,Kimchi A

更新日期：2012-03-01 00:00:00

abstract：:The PIK3C3/VPS34-containing phosphatidylinositol 3-kinase (PtdIns3K) initiation complex (complex I) is necessary for macroautophagy/autophagy initiation and is comprised of PIK3R4/VPS15-PIK3C3/VPS34-BECN1-ATG14, while the endosomal trafficking complex (complex II) is necessary for vesicle trafficking and is comprised ...

journal_title：Autophagy

authors： Pavlinov I,Salkovski M,Aldrich LN

更新日期：2020-08-01 00:00:00

abstract：:Antagonizing the strongly activated pathway of autophagy in renal ischemic injury has been associated with poor outcome. In our recent study we used mice with a selective deletion of Atg5 in the S3 proximal tubule segment, which is most susceptible to ischemic damage. In line with the notion that autophagy is a prosur...

journal_title：Autophagy

authors： Melk A,Baisantry A,Schmitt R

更新日期：2016-01-01 00:00:00

abstract：:We describe a protocol for rapid and efficient enrichment of autophagosomes from various tissues of the GFP-LC3 mouse. In order to increase the number of autophagosomes, we block autophagy flux in the GFP-LC3 mouse tissue with a single intraperitoneal injection of leupeptin 4-5 h before tissue harvesting. We homogeniz...

journal_title：Autophagy

authors： Yao J,Qiu Y,Jia L,Zacks DN

更新日期：2019-02-01 00:00:00

abstract：:Coxsackievirus B3 (CVB3) has previously been shown to utilize autophagy in an advantageous manner during the course of infection of the host cell. However, few studies have determined whether stem cells induce autophagy in a similar fashion, and whether virus-induced autophagy occurs following infection of stem cells....

journal_title：Autophagy

authors： Tabor-Godwin JM,Tsueng G,Sayen MR,Gottlieb RA,Feuer R

更新日期：2012-06-01 00:00:00

abstract：:Autophagosome formation is a complex cellular process, which requires major membrane rearrangements leading to the creation of a relatively large double-membrane vesicle that directs its contents to the lysosome for degradation. Although various membrane compartments have been identified as sources for autophagosomal ...

journal_title：Autophagy

authors： Longatti A,Tooze SA

更新日期：2012-11-01 00:00:00

abstract：:Lysosomal storage diseases (LSDs) are debilitating genetic conditions that frequently manifest as neurodegenerative disorders. They severely affect eye, motor and cognitive functions and, in most cases, abbreviate the lifespan. Postmitotic cells such as neurons and mononuclear phagocytes rich in lysosomes are most oft...

journal_title：Autophagy

authors： Kiselyov K,Jennigs JJ Jr,Rbaibi Y,Chu CT

更新日期：2007-05-01 00:00:00

abstract：:The N-terminal amino acid of a protein is an essential determinant of ubiquitination and subsequent proteasomal degradation in the N-end rule pathway. Using para-chloroamphetamine (PCA), a specific inhibitor of the arginylation branch of the pathway (Arg/N-end rule pathway), we identified that blocking the Arg/N-end r...

journal_title：Autophagy

authors： Jiang Y,Lee J,Lee JH,Lee JW,Kim JH,Choi WH,Yoo YD,Cha-Molstad H,Kim BY,Kwon YT,Noh SA,Kim KP,Lee MJ

更新日期：2016-11-01 00:00:00

abstract：:Lafora disease (LD) is an inherited and fatal form of neurodegenerative disorder characterized by the presence of an abnormal form of glycogen inclusions, called Lafora bodies, in neurons and other tissues. While Lafora bodies have been thought to underlie the neuropathology in LD, the specific process by which these ...

journal_title：Autophagy

authors： Puri R,Ganesh S

更新日期：2012-02-01 00:00:00

abstract：:Cigarette smoke (CS)-induced mitochondrial damage with increased reactive oxygen species (ROS) production has been implicated in COPD pathogenesis by accelerating senescence. Mitophagy may play a pivotal role for removal of CS-induced damaged mitochondria, and the PINK1 (PTEN-induced putative kinase 1)-PARK2 pathway h...

journal_title：Autophagy

authors： Ito S,Araya J,Kurita Y,Kobayashi K,Takasaka N,Yoshida M,Hara H,Minagawa S,Wakui H,Fujii S,Kojima J,Shimizu K,Numata T,Kawaishi M,Odaka M,Morikawa T,Harada T,Nishimura SL,Kaneko Y,Nakayama K,Kuwano K

更新日期：2015-01-01 00:00:00

abstract：:It has not been elucidated whether or not autophagy is induced by rhabdoviral G glycoproteins (G) in vertebrate organisms for which rhabdovirus infection is lethal. Our work provides the first evidence that both mammalian (vesicular stomatitis virus, VSV) and fish (viral hemorrhagic septicemia virus, VHSV, and spring ...

journal_title：Autophagy

authors： García-Valtanen P,Ortega-Villaizán Mdel M,Martínez-López A,Medina-Gali R,Pérez L,Mackenzie S,Figueras A,Coll JM,Estepa A

更新日期：2014-09-01 00:00:00

abstract：:Macroautophagy/autophagy dysfunction is associated with many neurodegenerative diseases. TFEB (transcription factor EB), an important molecule that regulates lysosomal and autophagy function, is regarded as a potential target for treating some neurodegenerative diseases. However, the relationship between autophagy dys...

journal_title：Autophagy

authors： Ye B,Wang Q,Hu H,Shen Y,Fan C,Chen P,Ma Y,Wu H,Xiang M

更新日期：2019-06-01 00:00:00

abstract：:Overcoming metabolic stress is a critical step in tumorigenesis. Acetyl coenzyme A (acetyl-CoA) converted from glucose or acetate is a substrate used for histone acetylation to regulate gene expression. However, how acetyl-CoA is produced under nutritional stress conditions is unclear. Herein we report that nutritiona...

journal_title：Autophagy

authors： Li X,Qian X,Lu Z

更新日期：2017-10-03 00:00:00

abstract：:Here, we present a summary of our recent findings on the (patho-)physiological relevance of PINK1-phosphorylated ubiquitin (p-S65-Ub). Using novel polyclonal antibodies, we find that p-S65-Ub specifically accumulates on damaged mitochondria. Phosphorylation of ubiquitin on serine 65 depends on the activity of PINK1 an...

journal_title：Autophagy

authors： Fiesel FC,Springer W

更新日期：2015-11-02 00:00:00

abstract：:Proteins in eukaryotic cells are continually being degraded to amino acids either by the ubiquitin proteasome system (UPS) or by the autophagic-lysosomal pathway. The breakdown of proteins by these 2 degradative pathways involves totally different enzymes that function in distinct subcellular compartments. While most ...

journal_title：Autophagy

authors： Zhao J,Goldberg AL

更新日期：2016-10-02 00:00:00

abstract：:Loss-of-function mutations in PARK2/PARKIN and PINK1 cause early-onset autosomal recessive Parkinson disease (PD). The cytosolic E3 ubiquitin-protein ligase PARK2 cooperates with the mitochondrial kinase PINK1 to maintain mitochondrial quality. A loss of mitochondrial transmembrane potential (ΔΨ) leads to the PINK1-de...

journal_title：Autophagy

authors： Bertolin G,Ferrando-Miguel R,Jacoupy M,Traver S,Grenier K,Greene AW,Dauphin A,Waharte F,Bayot A,Salamero J,Lombès A,Bulteau AL,Fon EA,Brice A,Corti O

更新日期：2013-11-01 00:00:00