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      Mitochondrial dynamics in health and disease: mechanisms and potential targets

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          Abstract

          Mitochondria are organelles that are able to adjust and respond to different stressors and metabolic needs within a cell, showcasing their plasticity and dynamic nature. These abilities allow them to effectively coordinate various cellular functions. Mitochondrial dynamics refers to the changing process of fission, fusion, mitophagy and transport, which is crucial for optimal function in signal transduction and metabolism. An imbalance in mitochondrial dynamics can disrupt mitochondrial function, leading to abnormal cellular fate, and a range of diseases, including neurodegenerative disorders, metabolic diseases, cardiovascular diseases and cancers. Herein, we review the mechanism of mitochondrial dynamics, and its impacts on cellular function. We also delve into the changes that occur in mitochondrial dynamics during health and disease, and offer novel perspectives on how to target the modulation of mitochondrial dynamics.

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          Hallmarks of Cancer: The Next Generation

          Douglas Hanahan, Robert A. Weinberg (2011)
          The hallmarks of cancer comprise six biological capabilities acquired during the multistep development of human tumors. The hallmarks constitute an organizing principle for rationalizing the complexities of neoplastic disease. They include sustaining proliferative signaling, evading growth suppressors, resisting cell death, enabling replicative immortality, inducing angiogenesis, and activating invasion and metastasis. Underlying these hallmarks are genome instability, which generates the genetic diversity that expedites their acquisition, and inflammation, which fosters multiple hallmark functions. Conceptual progress in the last decade has added two emerging hallmarks of potential generality to this list-reprogramming of energy metabolism and evading immune destruction. In addition to cancer cells, tumors exhibit another dimension of complexity: they contain a repertoire of recruited, ostensibly normal cells that contribute to the acquisition of hallmark traits by creating the "tumor microenvironment." Recognition of the widespread applicability of these concepts will increasingly affect the development of new means to treat human cancer. Copyright © 2011 Elsevier Inc. All rights reserved.
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            The Hallmarks of Aging

            Carlos López-Otín, Maria Blasco, Linda Partridge … (2014)
            Aging is characterized by a progressive loss of physiological integrity, leading to impaired function and increased vulnerability to death. This deterioration is the primary risk factor for major human pathologies, including cancer, diabetes, cardiovascular disorders, and neurodegenerative diseases. Aging research has experienced an unprecedented advance over recent years, particularly with the discovery that the rate of aging is controlled, at least to some extent, by genetic pathways and biochemical processes conserved in evolution. This Review enumerates nine tentative hallmarks that represent common denominators of aging in different organisms, with special emphasis on mammalian aging. These hallmarks are: genomic instability, telomere attrition, epigenetic alterations, loss of proteostasis, deregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and altered intercellular communication. A major challenge is to dissect the interconnectedness between the candidate hallmarks and their relative contributions to aging, with the final goal of identifying pharmaceutical targets to improve human health during aging, with minimal side effects. Copyright © 2013 Elsevier Inc. All rights reserved.
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              Molecular mechanisms of epithelial-mesenchymal transition.

              Samy Lamouille, Jian Xu, Rik Derynck (2014)
              The transdifferentiation of epithelial cells into motile mesenchymal cells, a process known as epithelial-mesenchymal transition (EMT), is integral in development, wound healing and stem cell behaviour, and contributes pathologically to fibrosis and cancer progression. This switch in cell differentiation and behaviour is mediated by key transcription factors, including SNAIL, zinc-finger E-box-binding (ZEB) and basic helix-loop-helix transcription factors, the functions of which are finely regulated at the transcriptional, translational and post-translational levels. The reprogramming of gene expression during EMT, as well as non-transcriptional changes, are initiated and controlled by signalling pathways that respond to extracellular cues. Among these, transforming growth factor-β (TGFβ) family signalling has a predominant role; however, the convergence of signalling pathways is essential for EMT.
              Article 0 comments Cited 1674 times – based on 0 reviews     Review now
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                Author and article information

                Contributors
                Huakan Zhao: ZHKK2011@126.com
                Yongsheng Li: lys@cqu.edu.cn
                Journal
                Journal ID (nlm-ta): Signal Transduct Target Ther
                Journal ID (iso-abbrev): Signal Transduct Target Ther
                Title: Signal Transduction and Targeted Therapy
                Publisher: Nature Publishing Group UK (London )
                ISSN (Print): 2095-9907
                ISSN (Electronic): 2059-3635
                Publication date (Electronic): 6 September 2023
                Publication date PMC-release: 6 September 2023
                Publication date Collection: 2023
                Volume: 8
                Electronic Location Identifier: 333
                Affiliations
                GRID grid.190737.b, ISNI 0000 0001 0154 0904, Department of Medical Oncology, , Chongqing University Cancer Hospital, ; Chongqing, 400030 China
                Article
                Publisher ID: 1547
                DOI: 10.1038/s41392-023-01547-9
                PMC ID: 10480456
                PubMed ID: 37669960
                SO-VID: 8e0dc4a2-8e69-48d6-8a4b-6ec68dd4396d
                Copyright © © West China Hospital, Sichuan University 2023
                License:

                Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

                History
                Date received : 19 December 2022
                Date revision received : 29 May 2023
                Date accepted : 24 June 2023
                Funding
                Funded by: FundRef https://doi.org/10.13039/501100010904, National Science Foundation of China | Major International Joint Research Programme;
                Award ID: 81920108027
                Award Recipient :
                Funded by: FundRef https://doi.org/10.13039/501100001809, National Natural Science Foundation of China (National Science Foundation of China);
                Award ID: 82273212
                Award Recipient :
                Categories
                Subject: Review Article
                Custom metadata
                issue-copyright-statement © West China Hospital, Sichuan University 2023

                Keywords: cancer metabolism,tumour immunology
                Data availability:
                Keywords: cancer metabolism, tumour immunology

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