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J Cancer Metastasis Treat 2019;5:60.10.20517/2394-4722.2018.74© The Author(s) 2019.
Open AccessEditorial

Introduction to this special issue - “Autophagy and Cancer: current biology and drug development”

1Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.

2Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan.

Correspondence Address: Prof. Chun Hei Antonio Cheung, College of Medicine, National Cheng Kung University, Tainan 70101, Taiwan. E-mail: acheung@mail.ncku.edu.tw

    Science Editor: Chun Hei Antonio Cheung | Copy Editor: Jia-Jia Meng | Production Editor: Tian Zhang
    ...

    © The Author(s) 2019. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, sharing, adaptation, distribution and reproduction in any medium or format, for any purpose, even commercially, 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.

    It is my pleasure, as one of the editorial board members, to introduce the readers of JCMT to this special issue entitled “Autophagy and Cancer: current biology and drug development”.

    Autophagy is a fundamental process for cells to degrade unwanted proteins/damaged organelles and also to recycle cellular components. Since its discovery on 1960’s, a vast amount of effort has been made in understanding the physiological role/s of this process. For example, it is now known that mitosis, apoptosis, and autophagy are inter-connected and inter-regulated in cells[1]. It is also known that upregulation of autophagy is a double-edged sword that promotes both cell survival and cell death, depending on the circumstances. However, the pathological role/s of autophagy in normal-to-cancer cell transformation, tumor development, and tumor drug resistance was not clear until the arrival of various breakthrough discoveries in the past 15 years. Noticeably, it has been demonstrated that dysregulation of autophagy (and probably downregulation) induces genomic instability in non-cancerous cells and subsequently promotes tumorigenesis[2]. In contrast, upregulation of autophagy has been shown to enhance the survival ability of cancer cells in response to various micro-environmental stresses and different chemotherapeutic agents[3]. Therefore, autophagy is currently a “hot” cellular pathway target for the development of cancer therapeutics[4-7].

    This special issue contains reviews focusing on recent understandings on the regulation of autophagy in non-cancerous cells and dysregulation of this process in cancer cells. Reviews on recent advances in the development of autophagy modulators for cancer treatment are also included in this special issue.

    Declarations

    Authors’ contributions

    Manuscript drafting: Cheung CHA.

    Availability of data and materials

    Not applicable.

    Financial support and sponsorship

    None.

    Conflict of interest

    All authors declared that there are no conflicts of interest.

    Ethics approval and consent to participate

    Not applicable.

    Consent for publication

    Not applicable.

    Copyright

    © The Author(s) 2019.

    References

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    • 7. Kaliszczak M, van Hechanova E, Li Y, Alsadah H, Parzych K, et al. The HDAC6 inhibitor C1A modulates autophagy substrates in diverse cancer cells and induces cell death. Br J Cancer 2018;119:1278-87.

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