Role of AMPK-mTOR-Ulk1/2 in the Regulation of Autophagy: Cross Talk, Shortcuts, and Feedbacks DOI Open Access
Sebastian Alers,

Antje S Löffler,

Sebastian Wesselborg

et al.

Molecular and Cellular Biology, Journal Year: 2011, Volume and Issue: 32(1), P. 2 - 11

Published: Oct. 25, 2011

Living cells are adaptive self-sustaining systems. They strictly depend on the sufficient supply of oxygen, energy, and nutrients from outside in order to sustain their internal organization. However, as autonomous entities they able monitor appropriately adapt any critical fluctuation environment. In case insufficient external nutrient or augmented energy demands, start extensively digest own interior. This process, known macroautophagy, comprises transport cytosolic portions entire organelles lysosomal compartment via specific double-membrane vesicles, called autophagosomes. Although upregulated under restriction, a low level basal autophagy is likewise crucial cellular homeostasis. On other hand, have avoid excessive enduring self-digestion. The delicate balance between production consumption demanding task. complex protein network that senses precisely reacts environmental changes thus mainly regulated by rapid reversible posttranslational modifications such phosphorylation. review focuses serine/threonine kinases AMP-activated kinase, mammalian target rapamycin (mTOR), unc-51-like kinase 1/2 (Ulk1/2), three interconnected major junctions within regulating signaling network.

Language: Английский

AMPK and mTOR regulate autophagy through direct phosphorylation of Ulk1 DOI
Joungmok Kim,

Mondira Kundu,

Benoı̂t Viollet

et al.

Nature Cell Biology, Journal Year: 2011, Volume and Issue: 13(2), P. 132 - 141

Published: Jan. 23, 2011

Language: Английский

Citations

6288

Autophagy: Renovation of Cells and Tissues DOI Creative Commons
Noboru Mizushima, Masaaki Komatsu

Cell, Journal Year: 2011, Volume and Issue: 147(4), P. 728 - 741

Published: Nov. 1, 2011

Language: Английский

Citations

5681

Methods in Mammalian Autophagy Research DOI Creative Commons
Noboru Mizushima, Tamotsu Yoshimori, Beth Levine

et al.

Cell, Journal Year: 2010, Volume and Issue: 140(3), P. 313 - 326

Published: Feb. 1, 2010

Language: Английский

Citations

4293

Reactive Oxygen Species in Inflammation and Tissue Injury DOI

Manish Mittal,

Mohammad R. Siddiqui, Khiem A. Tran

et al.

Antioxidants and Redox Signaling, Journal Year: 2013, Volume and Issue: 20(7), P. 1126 - 1167

Published: Sept. 2, 2013

Abstract Reactive oxygen species (ROS) are key signaling molecules that play an important role in the progression of inflammatory disorders. An enhanced ROS generation by polymorphonuclear neutrophils (PMNs) at site inflammation causes endothelial dysfunction and tissue injury. The vascular endothelium plays passage macromolecules cells from blood to tissue. Under conditions, oxidative stress produced PMNs leads opening inter-endothelial junctions promotes migration across barrier. migrated not only help clearance pathogens foreign particles but also lead current review compiles past research area with particular emphasis on stress-mediated mechanisms involved

Language: Английский

Citations

3973

mTOR: from growth signal integration to cancer, diabetes and ageing DOI
Roberto Zoncu, Alejo Efeyan, David M. Sabatini

et al.

Nature Reviews Molecular Cell Biology, Journal Year: 2010, Volume and Issue: 12(1), P. 21 - 35

Published: Dec. 15, 2010

Language: Английский

Citations

3820

Antimicrobial Autophagy: A Conserved Innate Immune Response in Drosophila DOI Open Access
Ryan H. Moy, Sara Cherry

Journal of Innate Immunity, Journal Year: 2013, Volume and Issue: 5(5), P. 444 - 455

Published: Jan. 1, 2013

Autophagy is a major route by which cytoplasmic contents are delivered to the lysosome for degradation. Many autophagy-related (ATG) genes have been identified in yeast. Although most of them conserved human, molecular composition Atg1 complex appears differ between yeast and mammals. In yeast, forms with Atg11, Atg13, Atg17, Atg29 Atg31, whereas mammalian (ULK1/2) interacts Atg13 FIP200. Here, we identify novel binding protein, named Atg101. Atg101 shows no homology other Atg proteins, various eukaryotes, but not Saccharomyces cerevisiae. associates ULK-Atg13-FIP200 complex, likely through direct interaction Atg13. siRNA-treated cells, present solely as monomer. Interaction stable, regulated nutrient conditions. GFP-Atg101 localizes isolation membrane/phagophore. GFP-LC3 dot formation suppressed endogenous LC3-I accumulates suggesting that critical factor autophagy. Furthermore, important stability basal phosphorylation ULK1. These data suggest protein functions together ULK,

Language: Английский

Citations

3497

The Versatile Role of microRNA-30a in Human Cancer DOI Creative Commons
Changqian Wang, Yang Xiang, Yitian Chen

et al.

Cellular Physiology and Biochemistry, Journal Year: 2017, Volume and Issue: 41(4), P. 1616 - 1632

Published: Jan. 1, 2017

MicroRNAs (miRNAs) are a group of noncoding RNA molecules 20-23 nucleotides length that negatively regulate gene expressions in numerous cellular processes. Through complementary paring with target mRNAs, miRNAs have frequently emerged as dual regulators cancer development by acting on multiple signaling pathways, thereby act novel biomarkers for diagnosis, prognosis, and prediction response to treatment. As one them, miR-30a has been found an onco-suppressor tumorigenesis pathways through inhibition proliferation, migration invasion. Simultaneously, plays progressing role several types cancer, determined relevant genes well. In the present review, we summarize recent research regarding miR-30a, including its biological function, expression regulation, especially focusing progression. Clinically, may serve potential diagnosis therapy human cancer.

Language: Английский

Citations

3381

Autophagy and the Integrated Stress Response DOI Creative Commons
Guido Kroemer, Guillermo Mariño, Beth Levine

et al.

Molecular Cell, Journal Year: 2010, Volume and Issue: 40(2), P. 280 - 293

Published: Oct. 1, 2010

Language: Английский

Citations

3266

TFEB Links Autophagy to Lysosomal Biogenesis DOI Open Access
Carmine Settembre, Chiara Di Malta, Vinicia Assunta Polito

et al.

Science, Journal Year: 2011, Volume and Issue: 332(6036), P. 1429 - 1433

Published: May 27, 2011

Starvation activates a transcriptional program controlling autophagosome formation, lysosome fusion, and substrate degradation.

Language: Английский

Citations

2911

Autophagy proteins regulate innate immune responses by inhibiting the release of mitochondrial DNA mediated by the NALP3 inflammasome DOI

Kiichi Nakahira,

Jeffrey A. Haspel, Vijay Rathinam

et al.

Nature Immunology, Journal Year: 2010, Volume and Issue: 12(3), P. 222 - 230

Published: Dec. 12, 2010

Language: Английский

Citations

2725