Dismantling the autophagic arsenal when it is time to die: concerted AMBRA1 degradation by caspases and calpains.

abstract：:Selective autophagy is critical for the regulation of cellular homeostasis in organisms from yeast to humans. This process is a specific degradation pathway for a wide variety of substrates including unwanted cytosolic components, such as protein aggregates, damaged and/or superfluous organelles, and pathogens. Howeve...

journal_title：Autophagy

authors： Yin Z,Klionsky DJ

更新日期：2020-10-01 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：:Bulk degradation and nutrient recycling are events associated with autophagy. The core components of the autophagy machinery have been elucidated recently using molecular and genetic approaches. In particular, two ubiquitin-like proteins, ATG8 and ATG12, which conjugate with phosphatidylethanolamine (PE) and ATG5, res...

journal_title：Autophagy

authors： Xiao S,Chye ML

更新日期：2010-08-01 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：:Autophagy and microRNA (miRNA) are important regulators during cancer cell tumorigenesis. Impaired autophagy and high expression of the oncogenic microRNA MIR224 are prevalent in hepatocellular carcinoma (HCC); however, the relationship between the 2 phenomena remains elusive. In this study, we are the first to reveal...

journal_title：Autophagy

authors： Lan SH,Wu SY,Zuchini R,Lin XZ,Su IJ,Tsai TF,Lin YJ,Wu CT,Liu HS

更新日期：2014-09-01 00:00:00

abstract：:Prion protein modulates many cellular functions including the secretion of trophic factors by astrocytes. Some of these factors are found in exosomes, which are formed within multivesicular bodies (MVBs) and secreted into the extracellular space to modulate cell-cell communication. The mechanisms underlying exosome bi...

journal_title：Autophagy

authors： Dias MV,Teixeira BL,Rodrigues BR,Sinigaglia-Coimbra R,Porto-Carreiro I,Roffé M,Hajj GN,Martins VR

更新日期：2016-11-01 00:00:00

abstract：:Autophagy is a complex, multi-step and biologically important pathway mediated by autophagosomes and autolysosomes. Accurately dissecting and detecting different stages of autophagy is important to elucidate its molecular mechanism and thereby facilitate the discovery of pharmaceutical molecules. We herein reported a ...

journal_title：Autophagy

authors： Chen JJ,Jing J,Chang H,Rong Y,Hai Y,Tang J,Zhang JL,Xu P

更新日期：2013-06-01 00:00:00

abstract：:The RNA replication complexes of small positive-strand RNA viruses such as poliovirus are known to form on the surfaces of membranous vesicles in the cytoplasm of infected mammalian cells. These membranes resemble cellular autophagosomes in their double-membraned morphology, cytoplasmic lumen, lipid-rich composition a...

journal_title：Autophagy

authors： Taylor MP,Kirkegaard K

更新日期：2008-04-01 00:00:00

abstract：:The induction of autophagy appears to be tightly controlled in all eukaryotic cells. This highly conserved, degradative process is induced by a variety of signals, including nutrient deprivation, and is generally thought to be incompatible with rapid cell growth. Recent work in the budding yeast, Saccharomyces cerevis...

journal_title：Autophagy

authors： Stephan JS,Herman PK

更新日期：2006-04-01 00:00:00

abstract：:Macroautophagy/autophagy, an evolutionarily conserved eukaryotic bioprocess, plays an important role in the bulk degradation of intracellular macromolecules, organelles, and invading pathogens. PIK3C3/VPS34 (phosphatidylinositol 3-kinase catalytic subunit type 3) functions as a key protein in autophagy initiation and ...

journal_title：Autophagy

authors： Xie W,Jin S,Cui J

更新日期：2020-06-01 00:00:00

abstract：:Mitochondrial quality control is an essential process required to maintain cellular homeostasis and functions. Mutations of PINK1 and PRKN/PARK2 contribute to the risk of Parkinson disease. Our recent findings indicate that depletion of Pink1 and Prkn promotes pancreatic tumorigenesis in KRAS-driven engineered mouse m...

journal_title：Autophagy

authors： Kang R,Xie Y,Zeh HJ,Klionsky DJ,Tang D

更新日期：2019-01-01 00:00:00

abstract：:Autophagy is an evolutionarily conserved catabolic process that involves the engulfment of cytoplasmic contents in a closed double-membrane structure, called the autophagosome, and their subsequent delivery to the vacuole/lysosomes for degradation. Genetic screens in Saccharomyces cerevisiae have identified more than ...

journal_title：Autophagy

authors： Liang Q,Yang P,Tian E,Han J,Zhang H

更新日期：2012-10-01 00:00:00

abstract：:Hepatocellular carcinoma (HCC) is among the most lethal and prevalent cancers in the human population. The initiation and progression of HCC is closely associated with chronic liver inflammation. Recent research indicates that nonhomologous end joining (NHEJ), one of the DNA repair mechanisms, autophagy and senescence...

journal_title：Autophagy

authors： Wang Z,Lin H,Hua F,Hu ZW

更新日期：2013-06-01 00:00:00

abstract：:KRAS is the most frequently mutated oncogene in human neoplasia. Despite a large investment to understand the effects of KRAS mutation in cancer cells, the direct effects of the oncogenetic KRAS activation on immune cells remain elusive. Here, we report that extracellular KRASG12D is essential for pancreatic tumor-ass...

journal_title：Autophagy

authors： Dai E,Han L,Liu J,Xie Y,Kroemer G,Klionsky DJ,Zeh HJ,Kang R,Wang J,Tang D

更新日期：2020-11-01 00:00:00

abstract：:Atg8 and its homologs are essential for autophagosome formation in various species. In animal cells, Atg8 homologs have an additional function in clearance of damaged organelles and bacteria, acting as a landmark for selective autophagy. We have recently shown that OATL1, a Rab-GTPase-activating protein (Rab-GAP), is ...

journal_title：Autophagy

authors： Itoh T,Fukuda M

更新日期：2011-09-01 00:00:00

abstract：:Atg18p and Atg21p are two highly homologous yeast autophagy proteins. Atg18p functions in both autophagy and the selective Cvt-pathway, while the function of Atg21p is restricted to the Cvt-pathway. The yeast genome encodes with Ygr223cp (Hsv2p), a third member of this protein family. So far no function has been assig...

journal_title：Autophagy

authors： Krick R,Henke S,Tolstrup J,Thumm M

更新日期：2008-10-01 00:00:00

abstract：:Some key questions being examined in the field of autophagy concern the origin of the membrane that forms the sequestering vesicle, the function of the related machinery, including the identification of new components and binding partners of previously identified autophagy-related proteins and the mechanism of autopha...

journal_title：Autophagy

authors： Vellai T,Klionsky DJ

更新日期：2010-01-01 00:00:00

abstract：:Throughout their life, cells must maintain homeostasis while facing constantly fluctuating demands on their different organelles. A major mechanism for the homeostatic control of organelle function is the unfolded protein response (UPR), a signaling pathway that triggers a comprehensive remodeling of the endoplasmic r...

journal_title：Autophagy

authors： Bernales S,Schuck S,Walter P

更新日期：2007-05-01 00:00:00

abstract：:Bacterial intrusion of host cells can be recognized by the innate immune system, including autophagy, via multiple cellular pathways. We have identified Tecpr1 as an Atg5-binding partner, and found that Tecpr1 interacts with the Atg12-Atg5-Atg16L1 complex via binding to Atg5. In Shigella infected cells, Tecpr1 colocal...

journal_title：Autophagy

authors： Ogawa M,Sasakawa C

更新日期：2011-11-01 00:00:00

abstract：:Autophagy is a cellular degradation process with an increasingly recognised importance in many biological pathways such as nutrient sensing, stress responses and development. We present a straightforward assay for autophagy which combines the sensitivity of the EGFP-LC3 reporter protein with the throughput capacity an...

journal_title：Autophagy

authors： Eng KE,Panas MD,Karlsson Hedestam GB,McInerney GM

更新日期：2010-07-01 00:00:00

abstract：:ULK1 (unc-51 like autophagy activating kinase 1), the key mediator of MTORC1 signaling to autophagy, regulates early stages of autophagosome formation in response to starvation or MTORC1 inhibition. How ULK1 regulates the autophagy induction process remains elusive. Here, we identify that ATG13, a binding partner of U...

journal_title：Autophagy

authors： Park JM,Jung CH,Seo M,Otto NM,Grunwald D,Kim KH,Moriarity B,Kim YM,Starker C,Nho RS,Voytas D,Kim DH

更新日期：2016-01-01 00:00:00

abstract：:Macroautophagy sequesters superflous cytosol and organelles into double-membraned autophagosomes. Over 30 autophagy-related (ATG) genes have been identified without elucidating the molecular details of autophagosome biogenesis. All proposed models for autophagosome formation require membrane fusion events (Fig. 1). Pr...

journal_title：Autophagy

authors： Krick R,Bremer S,Welter E,Eskelinen EL,Thumm M

更新日期：2011-02-01 00:00:00

abstract：:Genetic inactivation of PTEN through either gene deletion or mutation is common in metastatic prostate cancer, leading to activation of the phosphoinositide 3-kinase (PI3K-AKT) pathway, which is associated with poor clinical outcomes. The PI3K-AKT pathway plays a central role in various cellular processes supporting c...

journal_title：Autophagy

authors： Lamoureux F,Zoubeidi A

更新日期：2013-07-01 00:00:00

abstract：:ATM (ataxia telangiectasia mutated) protein is found associated with multiple organelles including synaptic vesicles, endosomes and lysosomes, often in cooperation with ATR (ataxia telangiectasia and Rad3 related). Mutation of the ATM gene results in ataxia-telangiectasia (A-T), an autosomal recessive disorder with de...

journal_title：Autophagy

authors： Cheng A,Tse KH,Chow HM,Gan Y,Song X,Ma F,Qian YXY,She W,Herrup K

更新日期：2020-08-14 00:00:00

abstract：:Heme is an essential molecule expressed in many tissues where it plays key roles as the prosthetic group of several proteins involved in vital physiological and metabolic processes such as gas and electron transport. Structurally, heme is a tetrapyrrole ring containing an atom of iron (Fe) in its center. When released...

journal_title：Autophagy

authors： Travassos LH,Vasconcellos LR,Bozza MT,Carneiro LA

更新日期：2017-03-04 00:00:00

abstract：:Oxidative stress (OS) stimulates autophagy in different cellular systems, but it remains controversial if this rule can be generalized. We have analyzed the effect of chronic OS induced by the parkinsonian toxin paraquat (PQ) on autophagy in astrocytoma cells and primary astrocytes, which represent the first cellular ...

journal_title：Autophagy

authors： Janda E,Lascala A,Carresi C,Parafati M,Aprigliano S,Russo V,Savoia C,Ziviani E,Musolino V,Morani F,Isidoro C,Mollace V

更新日期：2015-01-01 00:00:00

abstract：:Inhibition of the autophagic pathway has recently revealed promising results in increasing pro-death activity of multiple cancer therapeutics. Here, we discuss our findings regarding the autophagy-blocking and anti-neoplastic effects of a synthetic sphingosine analog, FTY720, in mantle cell lymphoma (MCL). We also emp...

journal_title：Autophagy

authors： Alinari L,Baiocchi RA,Praetorius-Ibba M

更新日期：2012-03-01 00:00:00

abstract：:The vascular system of plants consists of two conducting tissues, xylem and phloem, which differentiate from procambium cells. Xylem serves as a transporting system for water and signaling molecules and is formed by sequential developmental processes, including cell division/expansion, secondary cell wall deposition, ...

journal_title：Autophagy

authors： Kwon SI,Cho HJ,Park OK

更新日期：2010-11-01 00:00:00

abstract：:In 2008 we published the first set of guidelines for standardizing research in autophagy. Since then, research on this topic has continued to accelerate, and many new scientists have entered the field. Our knowledge base and relevant new technologies have also been expanding. Accordingly, it is important to update the...

journal_title：Autophagy

authors： Klionsky DJ,Abdalla FC,Abeliovich H,Abraham RT,Acevedo-Arozena A,Adeli K,Agholme L,Agnello M,Agostinis P,Aguirre-Ghiso JA,Ahn HJ,Ait-Mohamed O,Ait-Si-Ali S,Akematsu T,Akira S,Al-Younes HM,Al-Zeer MA,Albert ML,Albin RL

更新日期：2012-04-01 00:00:00

abstract：:The lack of a rapid and quantitative autophagy assay has substantially hindered the development and implementation of autophagy-targeting therapies for a variety of human diseases. To address this critical issue, we developed a novel autophagy assay using the newly developed Cyto-ID fluorescence dye. We first verified...

journal_title：Autophagy

authors： Guo S,Liang Y,Murphy SF,Huang A,Shen H,Kelly DF,Sobrado P,Sheng Z

更新日期：2015-01-01 00:00:00