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      Autophagy dysfunction in neuropathic pain

      , , , ,
      Neuropeptides
      Elsevier BV

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          mTOR signaling in growth control and disease.

          The mechanistic target of rapamycin (mTOR) signaling pathway senses and integrates a variety of environmental cues to regulate organismal growth and homeostasis. The pathway regulates many major cellular processes and is implicated in an increasing number of pathological conditions, including cancer, obesity, type 2 diabetes, and neurodegeneration. Here, we review recent advances in our understanding of the mTOR pathway and its role in health, disease, and aging. We further discuss pharmacological approaches to treat human pathologies linked to mTOR deregulation. Copyright © 2012 Elsevier Inc. All rights reserved.
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            Autophagy: cellular and molecular mechanisms.

            Autophagy is a self-degradative process that is important for balancing sources of energy at critical times in development and in response to nutrient stress. Autophagy also plays a housekeeping role in removing misfolded or aggregated proteins, clearing damaged organelles, such as mitochondria, endoplasmic reticulum and peroxisomes, as well as eliminating intracellular pathogens. Thus, autophagy is generally thought of as a survival mechanism, although its deregulation has been linked to non-apoptotic cell death. Autophagy can be either non-selective or selective in the removal of specific organelles, ribosomes and protein aggregates, although the mechanisms regulating aspects of selective autophagy are not fully worked out. In addition to elimination of intracellular aggregates and damaged organelles, autophagy promotes cellular senescence and cell surface antigen presentation, protects against genome instability and prevents necrosis, giving it a key role in preventing diseases such as cancer, neurodegeneration, cardiomyopathy, diabetes, liver disease, autoimmune diseases and infections. This review summarizes the most up-to-date findings on how autophagy is executed and regulated at the molecular level and how its disruption can lead to disease. Copyright (c) 2010 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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              Eukaryotic cells employ autophagy to degrade damaged or obsolete organelles and proteins. Central to this process is the formation of autophagosomes, double-membrane vesicles responsible for delivering cytoplasmic material to lysosomes. In the past decade many autophagy-related genes, ATG, have been identified that are required for selective and/or nonselective autophagic functions. In all types of autophagy, a core molecular machinery has a critical role in forming sequestering vesicles, the autophagosome, which is the hallmark morphological feature of this dynamic process. Additional components allow autophagy to adapt to the changing needs of the cell.
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                Author and article information

                Contributors
                Journal
                Neuropeptides
                Neuropeptides
                Elsevier BV
                01434179
                June 2019
                June 2019
                : 75
                : 41-48
                Article
                10.1016/j.npep.2019.03.005
                30910234
                9f516ee7-179d-4a59-bc99-0439955dc9db
                © 2019

                https://www.elsevier.com/tdm/userlicense/1.0/

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