نتایج جستجو برای: autophagy flux

تعداد نتایج: 115898  

2014
Ben Short

M any cellular stresses, including starvation, induce cells to up-regulate the process of auto-phagy, in which cytoplasmic content is engulfed into autophagosomes and delivered to lysosomes for degradation. Auto-phagy can promote cell homeostasis and survival by removing damaged proteins and organelles and recycling their breakdown products to enhance cell metabolism. On the other hand, autopha...

Journal: :Autophagy 2015
Martina Chrisam Marinella Pirozzi Silvia Castagnaro Bert Blaauw Roman Polishchuck Francesco Cecconi Paolo Grumati Paolo Bonaldo

Autophagy is a self-degradative process responsible for the clearance of damaged or unnecessary cellular components. We have previously found that persistence of dysfunctional organelles due to autophagy failure is a key event in the pathogenesis of COL6/collagen VI-related myopathies, and have demonstrated that reactivation of a proper autophagic flux rescues the muscle defects of Col6a1-null ...

2017
Di Gui Zhimin Cui Lin Zhang Chang Yu Dan Yao Min Xu Mayun Chen Peiliang Wu Guoping Li Liangxing Wang Xiaoying Huang

BACKGROUND Recent studies have shown that both adenosine monophosphate activated protein kinase (AMPK) and the mammalian target of rapamycin (mTOR) are energy sensors and are related to autophagy. Our recent reports have shown that salidroside can exert protective effects against hypoxia-induced pulmonary arterial smooth muscle cell (PASMC) proliferation and apoptosis resistance through the AMP...

2017
Ingrid Kjos Marita Borg Distefano Frank Sætre Urska Repnik Petter Holland Arwyn T Jones Nikolai Engedal Anne Simonsen Oddmund Bakke Cinzia Progida

Autophagy (macroautophagy) is a highly conserved eukaryotic degradation pathway in which cytosolic components and organelles are sequestered by specialized autophagic membranes and degraded through the lysosomal system. The autophagic pathway maintains basal cellular homeostasis and helps cells adapt during stress; thus, defects in autophagy can cause detrimental effects. It is therefore crucia...

2015
Seigo Terawaki Voahirana Camosseto Francesca Prete Till Wenger Alexia Papadopoulos Christiane Rondeau Alexis Combes Christian Rodriguez Rodrigues Thien-Phong Vu Manh Mathieu Fallet Luc English Rodrigo Santamaria Ana R. Soares Tobias Weil Hamida Hammad Michel Desjardins Jean-Pierre Gorvel Manuel A.S. Santos Evelina Gatti Philippe Pierre

Autophagy is a key degradative pathway coordinated by external cues, including starvation, oxidative stress, or pathogen detection. Rare are the molecules known to contribute mechanistically to the regulation of autophagy and expressed specifically in particular environmental contexts or in distinct cell types. Here, we unravel the role of RUN and FYVE domain-containing protein 4 (RUFY4) as a p...

2014
Tobias Eisenberg Sabrina Schroeder Sabrina Büttner Didac Carmona-Gutierrez Tobias Pendl Aleksandra Andryushkova Guillermo Mariño Federico Pietrocola Alexandra Harger Andreas Zimmermann Christoph Magnes Frank Sinner Simon Sedej Thomas R Pieber Jörn Dengjel Stephan Sigrist Guido Kroemer Frank Madeo

The multifaceted process of aging inevitably leads to disturbances in cellular metabolism and protein homeostasis. To meet this challenge, cells make use of autophagy, which is probably one of the most important pathways preserving cellular protection under stressful conditions. Thus, efficient autophagic flux is required for healthy aging in many if not all eukaryotic organisms. The regulation...

2017
María Esther Pérez-Pérez Inmaculada Couso Luis G Heredia-Martínez José L Crespo

Autophagy is an intracellular catabolic system that delivers cytoplasmic constituents and organelles in the vacuole. This degradative process is mediated by a group of proteins coded by autophagy-related (ATG) genes that are widely conserved from yeasts to plants and mammals. Homologs of ATG genes have been also identified in algal genomes including the unicellular model green alga Chlamydomona...

2017
Eunice Domínguez-Martín Elena Cardenal-Muñoz Jason S. King Thierry Soldati Roberto Coria Ricardo Escalante

Autophagy is a eukaryotic catabolic pathway that degrades and recycles cellular components to maintain homeostasis. It can target protein aggregates, superfluous biomolecular complexes, dysfunctional and damaged organelles, as well as pathogenic intracellular microbes. Autophagy is a dynamic process in which the different stages from initiation to final degradation of cargo are finely regulated...

2014
Hong-Feng Gu Ya-Xiong Nie Qiao-Zhen Tong Ya-Ling Tang Yang Zeng Kai-Quan Jing Xi-Long Zheng Duan-Fang Liao

Epigallocatechin gallate (EGCG) is a major polyphenol in green tea with beneficial effects on the impairment in learning and memory. Autophagy is a cellular process that protects neurons from stressful conditions. The present study was designed to investigate whether EGCG can rescue chronic unpredictable mild stress (CUMS)-induced cognitive impairment in rats and whether its protective effect i...

Journal: :Circulation research 2016
Manish K Gupta Patrick M McLendon James Gulick Jeanne James Kamel Khalili Jeffrey Robbins

RATIONALE SUMOylation plays an important role in cardiac function and can be protective against cardiac stress. Recent studies show that SUMOylation is an integral part of the ubiquitin proteasome system, and expression of the small ubiquitin-like modifier (SUMO) E2 enzyme UBC9 improves cardiac protein quality control. However, the precise role of SUMOylation on other protein degradation pathwa...

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