Autophagy mediates phase transitions from cell death to life

Autophagy is a lysosomal degradation pathway, which is critical for maintaining normal cellular functions. Despite considerable advances in defining the specific molecular mechanism governing the autophagy pathway during the last decades, we are still far from understanding the underlying principle...

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Main Authors: Kyungreem Han, Jinwoong Kim, MooYoung Choi
Format: Article
Language:English
Published: Elsevier 2015-09-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844015302929
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author Kyungreem Han
Jinwoong Kim
MooYoung Choi
author_facet Kyungreem Han
Jinwoong Kim
MooYoung Choi
author_sort Kyungreem Han
collection DOAJ
description Autophagy is a lysosomal degradation pathway, which is critical for maintaining normal cellular functions. Despite considerable advances in defining the specific molecular mechanism governing the autophagy pathway during the last decades, we are still far from understanding the underlying principle of the autophagy machinery and its complex role in human disease. As an alternative attempt to reinvigorate the search for the principle of the autophagy pathway, we in this study make use of the computer-aided analysis, complementing current molecular-level studies of autophagy. Specifically, we propose a hypothesis that autophagy mediates cellular phase transitions and demonstrate that the autophagic phase transitions are essential to the maintenance of normal cellular functions and critical in the fate of a cell, i.e., cell death or survival. This study should provide valuable insight into how interactions of sub-cellular components such as genes and protein modules/complexes regulate autophagy and then impact on the dynamic behaviors of living cells as a whole, bridging the microscopic molecular-level studies and the macroscopic cellular-level and physiological approaches.
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spelling doaj.art-16b02ca0552c4239a85f322afd4388ef2022-12-22T02:01:17ZengElsevierHeliyon2405-84402015-09-011110.1016/j.heliyon.2015.e00027Autophagy mediates phase transitions from cell death to lifeKyungreem Han0Jinwoong Kim1MooYoung Choi2Department of Physics and Astronomy and Center for Theoretical Physics, Seoul National University, Seoul 151-747, South KoreaCollege of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 151-742, South KoreaDepartment of Physics and Astronomy and Center for Theoretical Physics, Seoul National University, Seoul 151-747, South KoreaAutophagy is a lysosomal degradation pathway, which is critical for maintaining normal cellular functions. Despite considerable advances in defining the specific molecular mechanism governing the autophagy pathway during the last decades, we are still far from understanding the underlying principle of the autophagy machinery and its complex role in human disease. As an alternative attempt to reinvigorate the search for the principle of the autophagy pathway, we in this study make use of the computer-aided analysis, complementing current molecular-level studies of autophagy. Specifically, we propose a hypothesis that autophagy mediates cellular phase transitions and demonstrate that the autophagic phase transitions are essential to the maintenance of normal cellular functions and critical in the fate of a cell, i.e., cell death or survival. This study should provide valuable insight into how interactions of sub-cellular components such as genes and protein modules/complexes regulate autophagy and then impact on the dynamic behaviors of living cells as a whole, bridging the microscopic molecular-level studies and the macroscopic cellular-level and physiological approaches.http://www.sciencedirect.com/science/article/pii/S2405844015302929AutophagyMathematical modelSimulationsPhase transitions
spellingShingle Kyungreem Han
Jinwoong Kim
MooYoung Choi
Autophagy mediates phase transitions from cell death to life
Heliyon
Autophagy
Mathematical model
Simulations
Phase transitions
title Autophagy mediates phase transitions from cell death to life
title_full Autophagy mediates phase transitions from cell death to life
title_fullStr Autophagy mediates phase transitions from cell death to life
title_full_unstemmed Autophagy mediates phase transitions from cell death to life
title_short Autophagy mediates phase transitions from cell death to life
title_sort autophagy mediates phase transitions from cell death to life
topic Autophagy
Mathematical model
Simulations
Phase transitions
url http://www.sciencedirect.com/science/article/pii/S2405844015302929
work_keys_str_mv AT kyungreemhan autophagymediatesphasetransitionsfromcelldeathtolife
AT jinwoongkim autophagymediatesphasetransitionsfromcelldeathtolife
AT mooyoungchoi autophagymediatesphasetransitionsfromcelldeathtolife