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Wang X, Xue X, Pang M, Yu L, Qian J, Li X, Tian M, Lyu A, Lu C, Liu Y. Epithelial-mesenchymal plasticity in cancer: signaling pathways and therapeutic targets. MedComm (Beijing) 2024; 5:e659. [PMID: 39092293 PMCID: PMC11292400 DOI: 10.1002/mco2.659] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2024] [Revised: 06/24/2024] [Accepted: 06/25/2024] [Indexed: 08/04/2024] Open
Abstract
Currently, cancer is still a leading cause of human death globally. Tumor deterioration comprises multiple events including metastasis, therapeutic resistance and immune evasion, all of which are tightly related to the phenotypic plasticity especially epithelial-mesenchymal plasticity (EMP). Tumor cells with EMP are manifest in three states as epithelial-mesenchymal transition (EMT), partial EMT, and mesenchymal-epithelial transition, which orchestrate the phenotypic switch and heterogeneity of tumor cells via transcriptional regulation and a series of signaling pathways, including transforming growth factor-β, Wnt/β-catenin, and Notch. However, due to the complicated nature of EMP, the diverse process of EMP is still not fully understood. In this review, we systematically conclude the biological background, regulating mechanisms of EMP as well as the role of EMP in therapy response. We also summarize a range of small molecule inhibitors, immune-related therapeutic approaches, and combination therapies that have been developed to target EMP for the outstanding role of EMP-driven tumor deterioration. Additionally, we explore the potential technique for EMP-based tumor mechanistic investigation and therapeutic research, which may burst vigorous prospects. Overall, we elucidate the multifaceted aspects of EMP in tumor progression and suggest a promising direction of cancer treatment based on targeting EMP.
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Affiliation(s)
- Xiangpeng Wang
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Xiaoxia Xue
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Mingshi Pang
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Liuchunyang Yu
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Jinxiu Qian
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Xiaoyu Li
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Meng Tian
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
| | - Aiping Lyu
- School of Chinese MedicineHong Kong Baptist UniversityKowloonHong KongChina
| | - Cheng Lu
- Institute of Basic Research in Clinical MedicineChina Academy of Chinese Medical SciencesBeijingChina
| | - Yuanyan Liu
- School of Materia MedicaBeijing University of Chinese MedicineBeijingChina
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2
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Fu J, Lin J, Dai Z, Lin B, Zhang J. Hypoxia-associated autophagy flux dysregulation in human cancers. Cancer Lett 2024; 590:216823. [PMID: 38521197 DOI: 10.1016/j.canlet.2024.216823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 03/09/2024] [Accepted: 03/18/2024] [Indexed: 03/25/2024]
Abstract
A general feature of cancer is hypoxia, determined as low oxygen levels. Low oxygen levels may cause cells to alter in ways that contribute to tumor growth and resistance to treatment. Hypoxia leads to variations in cancer cell metabolism, angiogenesis and metastasis. Furthermore, a hypoxic tumor microenvironment might induce immunosuppression. Moreover, hypoxia has the potential to impact cellular processes, such as autophagy. Autophagy refers to the catabolic process by which damaged organelles and toxic macromolecules are broken down. The abnormal activation of autophagy has been extensively recorded in human tumors and it serves as a regulator of cell growth, spread to other parts of the body, and resistance to treatment. There is a correlation between hypoxia and autophagy in human malignancies. Hypoxia can regulate the activity of AMPK, mTOR, Beclin-1, and ATGs to govern autophagy in human malignancies. Furthermore, HIF-1α, serving as an indicator of low oxygen levels, controls the process of autophagy. Hypoxia-induced autophagy has a crucial role in regulating the growth, spread, and resistance to treatment in human malignancies. Hypoxia-induced regulation of autophagy can impact other mechanisms of cell death, such as apoptosis. Chemoresistance and radioresistance have become significant challenges in recent years. Hypoxia-mediated autophagy plays a crucial role in determining the response to these therapeutic treatments.
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Affiliation(s)
- Jiding Fu
- Department of Intensive Care Unit, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Jie Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Zili Dai
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Baisheng Lin
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China
| | - Jian Zhang
- Department of Radiation Oncology, Affiliated Cancer Hospital & Institute of Guangzhou Medical University, Guangzhou, Guangdong, 510095, China.
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3
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Cordani M, Strippoli R, Trionfetti F, Barzegar Behrooz A, Rumio C, Velasco G, Ghavami S, Marcucci F. Immune checkpoints between epithelial-mesenchymal transition and autophagy: A conflicting triangle. Cancer Lett 2024; 585:216661. [PMID: 38309613 DOI: 10.1016/j.canlet.2024.216661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2023] [Revised: 01/01/2024] [Accepted: 01/17/2024] [Indexed: 02/05/2024]
Abstract
Inhibitory immune checkpoint (ICP) molecules are pivotal in inhibiting innate and acquired antitumor immune responses, a mechanism frequently exploited by cancer cells to evade host immunity. These evasion strategies contribute to the complexity of cancer progression and therapeutic resistance. For this reason, ICP molecules have become targets for antitumor drugs, particularly monoclonal antibodies, collectively referred to as immune checkpoint inhibitors (ICI), that counteract such cancer-associated immune suppression and restore antitumor immune responses. Over the last decade, however, it has become clear that tumor cell-associated ICPs can also induce tumor cell-intrinsic effects, in particular epithelial-mesenchymal transition (EMT) and macroautophagy (hereafter autophagy). Both of these processes have profound implications for cancer metastasis and drug responsiveness. This article reviews the positive or negative cross-talk that tumor cell-associated ICPs undergo with autophagy and EMT. We discuss that tumor cell-associated ICPs are upregulated in response to the same stimuli that induce EMT. Moreover, ICPs themselves, when overexpressed, become an EMT-inducing stimulus. As regards the cross-talk with autophagy, ICPs have been shown to either stimulate or inhibit autophagy, while autophagy itself can either up- or downregulate the expression of ICPs. This dynamic equilibrium also extends to the autophagy-apoptosis axis, further emphasizing the complexities of cellular responses. Eventually, we delve into the intricate balance between autophagy and apoptosis, elucidating its role in the broader interplay of cellular dynamics influenced by ICPs. In the final part of this article, we speculate about the driving forces underlying the contradictory outcomes of the reciprocal, inhibitory, or stimulatory effects between ICPs, EMT, and autophagy. A conclusive identification of these driving forces may allow to achieve improved antitumor effects when using combinations of ICIs and compounds acting on EMT and/or autophagy. Prospectively, this may translate into increased and/or broadened therapeutic efficacy compared to what is currently achieved with ICI-based clinical protocols.
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Affiliation(s)
- Marco Cordani
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University of Madrid, 28040 Madrid, Spain; Instituto de Investigación Sanitaria San Carlos (IdISSC), 28040 Madrid, Spain
| | - Raffaele Strippoli
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; Department of Epidemiology, Preclinical Research and Advanced Diagnostics, National Institute for Infectious Diseases L., Spallanzani, IRCCS, Via Portuense, 292, 00149 Rome, Italy
| | - Flavia Trionfetti
- Department of Molecular Medicine, Sapienza University of Rome, Viale Regina Elena 324, 00161 Rome, Italy; Department of Epidemiology, Preclinical Research and Advanced Diagnostics, National Institute for Infectious Diseases L., Spallanzani, IRCCS, Via Portuense, 292, 00149 Rome, Italy
| | - Amir Barzegar Behrooz
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Cristiano Rumio
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Via Trentacoste 2, 20134 Milan, Italy
| | - Guillermo Velasco
- Department of Biochemistry and Molecular Biology, Faculty of Biology, Complutense University of Madrid, 28040 Madrid, Spain; Instituto de Investigación Sanitaria San Carlos (IdISSC), 28040 Madrid, Spain
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, Max Rady College of Medicine, Rady Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R3T 2N2, Canada; Faculty of Medicine in Zabrze, University of Technology in Katowice, 41-800 Zabrze, Poland; Research Institute of Oncology and Hematology, Cancer Care Manitoba, University of Manitoba, Winnipeg, MB R3T 2N2, Canada.
| | - Fabrizio Marcucci
- Department of Pharmacological and Biomolecular Sciences, University of Milan, Via Trentacoste 2, 20134 Milan, Italy.
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Khilwani R, Singh S. Systems Biology and Cytokines Potential Role in Lung Cancer Immunotherapy Targeting Autophagic Axis. Biomedicines 2023; 11:2706. [PMID: 37893079 PMCID: PMC10604646 DOI: 10.3390/biomedicines11102706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/11/2023] [Accepted: 09/11/2023] [Indexed: 10/29/2023] Open
Abstract
Lung cancer accounts for the highest number of deaths among men and women worldwide. Although extensive therapies, either alone or in conjunction with some specific drugs, continue to be the principal regimen for evolving lung cancer, significant improvements are still needed to understand the inherent biology behind progressive inflammation and its detection. Unfortunately, despite every advancement in its treatment, lung cancer patients display different growth mechanisms and continue to die at significant rates. Autophagy, which is a physiological defense mechanism, serves to meet the energy demands of nutrient-deprived cancer cells and sustain the tumor cells under stressed conditions. In contrast, autophagy is believed to play a dual role during different stages of tumorigenesis. During early stages, it acts as a tumor suppressor, degrading oncogenic proteins; however, during later stages, autophagy supports tumor cell survival by minimizing stress in the tumor microenvironment. The pivotal role of the IL6-IL17-IL23 signaling axis has been observed to trigger autophagic events in lung cancer patients. Since the obvious roles of autophagy are a result of different immune signaling cascades, systems biology can be an effective tool to understand these interconnections and enhance cancer treatment and immunotherapy. In this review, we focus on how systems biology can be exploited to target autophagic processes that resolve inflammatory responses and contribute to better treatment in carcinogenesis.
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Affiliation(s)
| | - Shailza Singh
- Systems Medicine Laboratory, National Centre for Cell Science, SPPU Campus, Ganeshkhind Road, Pune 411007, India;
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Khan SU, Rayees S, Sharma P, Malik F. Targeting redox regulation and autophagy systems in cancer stem cells. Clin Exp Med 2023; 23:1405-1423. [PMID: 36473988 DOI: 10.1007/s10238-022-00955-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 11/16/2022] [Indexed: 12/12/2022]
Abstract
Cancer is a dysregulated cellular level pathological condition that results in tumor formation followed by metastasis. In the heterogeneous tumor architecture, cancer stem cells (CSCs) are essential to push forward the progression of tumors due to their strong pro-tumor properties such as stemness, self-renewal, plasticity, metastasis, and being poorly responsive to radiotherapy and chemotherapeutic agents. Cancer stem cells have the ability to withstand various stress pressures by modulating transcriptional and translational mechanisms, and adaptable metabolic changes. Owing to CSCs heterogeneity and plasticity, these cells display varied metabolic and redox profiles across different types of cancers. It has been established that there is a disparity in the levels of Reactive Oxygen Species (ROS) generated in CSCs vs Non-CSC and these differential levels are detected across different tumors. CSCs have unique metabolic demands and are known to change plasticity during metastasis by passing through the interchangeable epithelial and mesenchymal-like phenotypes. During the metastatic process, tumor cells undergo epithelial to mesenchymal transition (EMT) thus attaining invasive properties while leaving the primary tumor site, similarly during the course of circulation and extravasation at a distant organ, these cells regain their epithelial characteristics through Mesenchymal to Epithelial Transition (MET) to initiate micrometastasis. It has been evidenced that levels of Reactive Oxygen Species (ROS) and associated metabolic activities vary between the epithelial and mesenchymal states of CSCs. Similarly, the levels of oxidative and metabolic states were observed to get altered in CSCs post-drug treatments. As oxidative and metabolic changes guide the onset of autophagy in cells, its role in self-renewal, quiescence, proliferation and response to drug treatment is well established. This review will highlight the molecular mechanisms useful for expanding therapeutic strategies based on modulating redox regulation and autophagy activation to targets. Specifically, we will account for the mounting data that focus on the role of ROS generated by different metabolic pathways and autophagy regulation in eradicating stem-like cells hereafter referred to as cancer stem cells (CSCs).
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Affiliation(s)
- Sameer Ullah Khan
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sheikh Rayees
- PK PD Toxicology Division, CSIR-Indian Institute of Integrative Medicine, Jammu, India
| | - Pankaj Sharma
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India
| | - Fayaz Malik
- Division of Cancer Pharmacology, CSIR-Indian Institute of Integrative Medicine, Srinagar, 190005, India.
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Ashrafizadeh M, Zhang W, Zou R, Sethi G, Klionsky DJ, Zhang X. A bioinformatics analysis, pre-clinical and clinical conception of autophagy in pancreatic cancer: Complexity and simplicity in crosstalk. Pharmacol Res 2023; 194:106822. [PMID: 37336429 DOI: 10.1016/j.phrs.2023.106822] [Citation(s) in RCA: 44] [Impact Index Per Article: 44.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 06/21/2023]
Abstract
Pancreatic cancer (PC) is a serious gastrointestinal tract disease for which the 5-year survival rate is less than 10%, even in developed countries such as the USA. The genomic profile alterations and dysregulated biological mechanisms commonly occur in PC. Macroautophagy/autophagy is a cell death process that is maintained at a basal level in physiological conditions, whereas its level often changes during tumorigenesis. The function of autophagy in human cancers is dual and can be oncogenic and onco-suppressor. Autophagy is a potent controller of tumorigenesis in PC. The supportive autophagy in PC escalates the growth rate of PC cells and its suppression can mediate cell death. Autophagy also determines the metastasis of PC cells, and it can control the EMT in affecting migration. Moreover, starvation and hypoxia can stimulate glycolysis, and glycolysis induction can be mediated by autophagy in enhancing tumorigenesis in PC. Furthermore, protective autophagy stimulates drug resistance and gemcitabine resistance in PC cells, and its inhibition can enhance radiosensitivity. Autophagy can degrade MHC-I to mediate immune evasion and also regulates polarization of macrophages in the tumor microenvironment. Modulation of autophagy activity is provided by silibinin, ursolic acid, chrysin and huaier in the treatment of PC. Non-coding RNAs are also controllers of autophagy in PC and its inhibition can improve therapy response in patients. Moreover, mitophagy shows dysregulation in PC, which can enhance the proliferation of PC cells. Therefore, a bioinformatics analysis demonstrates the dysregulation of autophagy-related proteins and genes in PC as biomarkers.
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Affiliation(s)
- Milad Ashrafizadeh
- Department of General Surgery and Institute of Precision Diagnosis and Treatment of Digestive System Tumors, Carson International Cancer Center, Shenzhen University General Hospital, Shenzhen University, Shenzhen, Guangdong 518055, China; Shanghai Institute of Cardiovascular Diseases, Zhongshan Hospital, Fudan University, Shanghai 200032, China
| | - Wei Zhang
- Department of General Surgery and Institute of Precision Diagnosis and Treatment of Digestive System Tumors, Carson International Cancer Center, Shenzhen University General Hospital, Shenzhen University, Shenzhen, Guangdong 518055, China
| | - Rongjun Zou
- Department of Cardiovascular Surgery, Guangdong Provincial Hospital of Chinese Medicine, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou 510120, Guangdong, China; The Second Clinical College of Guangzhou University of Chinese Medicine, Guangzhou 510405, Guangdong, China
| | - Gautam Sethi
- Department of Pharmacology and NUS Centre for Cancer Research, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore.
| | - Daniel J Klionsky
- Life Sciences Institute and Department of Molecular, Cellular and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
| | - Xianbin Zhang
- Department of General Surgery and Institute of Precision Diagnosis and Treatment of Digestive System Tumors, Carson International Cancer Center, Shenzhen University General Hospital, Shenzhen University, Shenzhen, Guangdong 518055, China.
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7
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Chang JL, Goldberg AN, Alt JA, Alzoubaidi M, Ashbrook L, Auckley D, Ayappa I, Bakhtiar H, Barrera JE, Bartley BL, Billings ME, Boon MS, Bosschieter P, Braverman I, Brodie K, Cabrera-Muffly C, Caesar R, Cahali MB, Cai Y, Cao M, Capasso R, Caples SM, Chahine LM, Chang CP, Chang KW, Chaudhary N, Cheong CSJ, Chowdhuri S, Cistulli PA, Claman D, Collen J, Coughlin KC, Creamer J, Davis EM, Dupuy-McCauley KL, Durr ML, Dutt M, Ali ME, Elkassabany NM, Epstein LJ, Fiala JA, Freedman N, Gill K, Boyd Gillespie M, Golisch L, Gooneratne N, Gottlieb DJ, Green KK, Gulati A, Gurubhagavatula I, Hayward N, Hoff PT, Hoffmann OM, Holfinger SJ, Hsia J, Huntley C, Huoh KC, Huyett P, Inala S, Ishman SL, Jella TK, Jobanputra AM, Johnson AP, Junna MR, Kado JT, Kaffenberger TM, Kapur VK, Kezirian EJ, Khan M, Kirsch DB, Kominsky A, Kryger M, Krystal AD, Kushida CA, Kuzniar TJ, Lam DJ, Lettieri CJ, Lim DC, Lin HC, Liu SY, MacKay SG, Magalang UJ, Malhotra A, Mansukhani MP, Maurer JT, May AM, Mitchell RB, Mokhlesi B, Mullins AE, Nada EM, Naik S, Nokes B, Olson MD, Pack AI, Pang EB, Pang KP, Patil SP, Van de Perck E, Piccirillo JF, Pien GW, Piper AJ, Plawecki A, Quigg M, Ravesloot MJ, Redline S, Rotenberg BW, Ryden A, Sarmiento KF, Sbeih F, Schell AE, Schmickl CN, Schotland HM, Schwab RJ, Seo J, Shah N, Shelgikar AV, Shochat I, Soose RJ, Steele TO, Stephens E, Stepnowsky C, Strohl KP, Sutherland K, Suurna MV, Thaler E, Thapa S, Vanderveken OM, de Vries N, Weaver EM, Weir ID, Wolfe LF, Tucker Woodson B, Won CH, Xu J, Yalamanchi P, Yaremchuk K, Yeghiazarians Y, Yu JL, Zeidler M, Rosen IM. International Consensus Statement on Obstructive Sleep Apnea. Int Forum Allergy Rhinol 2023; 13:1061-1482. [PMID: 36068685 PMCID: PMC10359192 DOI: 10.1002/alr.23079] [Citation(s) in RCA: 62] [Impact Index Per Article: 62.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 08/12/2022] [Accepted: 08/18/2022] [Indexed: 11/08/2022]
Abstract
BACKGROUND Evaluation and interpretation of the literature on obstructive sleep apnea (OSA) allows for consolidation and determination of the key factors important for clinical management of the adult OSA patient. Toward this goal, an international collaborative of multidisciplinary experts in sleep apnea evaluation and treatment have produced the International Consensus statement on Obstructive Sleep Apnea (ICS:OSA). METHODS Using previously defined methodology, focal topics in OSA were assigned as literature review (LR), evidence-based review (EBR), or evidence-based review with recommendations (EBR-R) formats. Each topic incorporated the available and relevant evidence which was summarized and graded on study quality. Each topic and section underwent iterative review and the ICS:OSA was created and reviewed by all authors for consensus. RESULTS The ICS:OSA addresses OSA syndrome definitions, pathophysiology, epidemiology, risk factors for disease, screening methods, diagnostic testing types, multiple treatment modalities, and effects of OSA treatment on multiple OSA-associated comorbidities. Specific focus on outcomes with positive airway pressure (PAP) and surgical treatments were evaluated. CONCLUSION This review of the literature consolidates the available knowledge and identifies the limitations of the current evidence on OSA. This effort aims to create a resource for OSA evidence-based practice and identify future research needs. Knowledge gaps and research opportunities include improving the metrics of OSA disease, determining the optimal OSA screening paradigms, developing strategies for PAP adherence and longitudinal care, enhancing selection of PAP alternatives and surgery, understanding health risk outcomes, and translating evidence into individualized approaches to therapy.
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Affiliation(s)
- Jolie L. Chang
- University of California, San Francisco, California, USA
| | | | | | | | - Liza Ashbrook
- University of California, San Francisco, California, USA
| | | | - Indu Ayappa
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | - Maurits S. Boon
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | - Pien Bosschieter
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | - Itzhak Braverman
- Hillel Yaffe Medical Center, Hadera Technion, Faculty of Medicine, Hadera, Israel
| | - Kara Brodie
- University of California, San Francisco, California, USA
| | | | - Ray Caesar
- Stone Oak Orthodontics, San Antonio, Texas, USA
| | | | - Yi Cai
- University of California, San Francisco, California, USA
| | | | | | | | | | | | | | | | | | - Susmita Chowdhuri
- Wayne State University and John D. Dingell VA Medical Center, Detroit, Michigan, USA
| | - Peter A. Cistulli
- Faculty of Medicine and Health, University of Sydney, Sydney, Australia
| | - David Claman
- University of California, San Francisco, California, USA
| | - Jacob Collen
- Uniformed Services University, Bethesda, Maryland, USA
| | | | | | - Eric M. Davis
- University of Virginia, Charlottesville, Virginia, USA
| | | | | | - Mohan Dutt
- University of Michigan, Ann Arbor, Michigan, USA
| | - Mazen El Ali
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | | | | | | | - Kirat Gill
- Stanford University, Palo Alto, California, USA
| | | | - Lea Golisch
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | | | | | - Arushi Gulati
- University of California, San Francisco, California, USA
| | | | | | - Paul T. Hoff
- University of Michigan, Ann Arbor, Michigan, USA
| | - Oliver M.G. Hoffmann
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | | | - Jennifer Hsia
- University of Minnesota, Minneapolis, Minnesota, USA
| | - Colin Huntley
- Sidney Kimmel Medical Center at Thomas Jefferson University, Philadelphia, Pennsylvania, USA
| | | | | | - Sanjana Inala
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | | | | | | | | | | | | | | | - Meena Khan
- Ohio State University, Columbus, Ohio, USA
| | | | - Alan Kominsky
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | - Meir Kryger
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Derek J. Lam
- Oregon Health and Science University, Portland, Oregon, USA
| | | | | | | | | | | | | | - Atul Malhotra
- University of California, San Diego, California, USA
| | | | - Joachim T. Maurer
- University Hospital Mannheim, Ruprecht-Karls-University Heidelberg, Heidelberg, Germany
| | - Anna M. May
- Case Western Reserve University, Cleveland, Ohio, USA
| | - Ron B. Mitchell
- University of Texas, Southwestern and Children’s Medical Center Dallas, Texas, USA
| | | | | | | | | | - Brandon Nokes
- University of California, San Diego, California, USA
| | | | - Allan I. Pack
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | | | | | | | | | | | | | | | | | - Mark Quigg
- University of Virginia, Charlottesville, Virginia, USA
| | | | - Susan Redline
- Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts, USA
| | | | - Armand Ryden
- Veterans Affairs Greater Los Angeles Healthcare System, Los Angeles, California, USA
| | | | - Firas Sbeih
- Cleveland Clinic Head and Neck Institute, Cleveland, Ohio, USA
| | | | | | | | | | - Jiyeon Seo
- University of California, Los Angeles, California, USA
| | - Neomi Shah
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | | | | | - Ryan J. Soose
- University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | | | - Erika Stephens
- University of California, San Francisco, California, USA
| | | | | | | | | | - Erica Thaler
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Sritika Thapa
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | - Nico de Vries
- Academic Centre for Dentistry Amsterdam, Amsterdam, The Netherlands
| | | | - Ian D. Weir
- Yale School of Medicine, New Haven, Connecticut, USA
| | | | | | | | - Josie Xu
- University of Toronto, Ontario, Canada
| | | | | | | | | | | | - Ilene M. Rosen
- University of Pennsylvania, Philadelphia, Pennsylvania, USA
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8
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Parlani M, Jorgez C, Friedl P. Plasticity of cancer invasion and energy metabolism. Trends Cell Biol 2023; 33:388-402. [PMID: 36328835 PMCID: PMC10368441 DOI: 10.1016/j.tcb.2022.09.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022]
Abstract
Energy deprivation is a frequent adverse event in tumors that is caused by mutations, malperfusion, hypoxia, and nutrition deficit. The resulting bioenergetic stress leads to signaling and metabolic adaptation responses in tumor cells, secures survival, and adjusts migration activity. The kinetic responses of cancer cells to energy deficit were recently identified, including a switch of invasive cancer cells to energy-conservative amoeboid migration and an enhanced capability for distant metastasis. We review the energy programs employed by different cancer invasion modes including collective, mesenchymal, and amoeboid migration, as well as their interconversion in response to energy deprivation, and we discuss the consequences for metastatic escape. Understanding the energy requirements of amoeboid and other dissemination strategies offers rationales for improving therapeutic targeting of metastatic cancer progression.
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Affiliation(s)
- Maria Parlani
- Department of Cell Biology, Radboud University Medical Centre, Nijmegen 6525GA, The Netherlands
| | - Carolina Jorgez
- David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Peter Friedl
- Department of Cell Biology, Radboud University Medical Centre, Nijmegen 6525GA, The Netherlands; David H. Koch Center for Applied Research of Genitourinary Cancers, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA; Cancer Genomics Center, 3584 CG Utrecht, The Netherlands.
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9
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Zhu S, Chen Q, Sun J, Du W, Chen Z, Yu M, Tao J, Zhou Y, Zhao Y, Zhang Q. The cGAS-STING pathway promotes endometriosis by up-regulating autophagy. Int Immunopharmacol 2023; 117:109644. [PMID: 36878046 DOI: 10.1016/j.intimp.2022.109644] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/17/2022] [Accepted: 12/19/2022] [Indexed: 03/06/2023]
Abstract
OBJECTIVE To investigate the roles of the cGAS-STING signal pathway and autophagy in the disease progression of endometriosis and to explore the regulatory mechanism of the cGAS-STING signal pathway on autophagy. DESIGN A case-control experimental study, in vitro primary cell culture study, and in vivo animal research. MAIN OUTCOME MEASURES Immunohistochemistry, RT-PCR and Western Blot were used to detect cGAS-STING signal pathway and autophagy expression differences in human and rat models. The lentivirus was used to overexpress STING in cells. The expression level of autophagy in human endometrial stromal cells (HESCs) transfected with lv-STING was detected by Western Blot, RT-PCR, and immunofluorescence. Transwell migration and invasion assays were conducted to assess cellular motility. The STING antagonist was applicated in vivo to investigate the therapeutic effects. RESULTS The expression levels of the cGAS-STING signal pathway and autophagy in Human and Rat ectopic endometrium were increased. STING overexpression promotes the expression of autophagy in human endometrial stromal cells (HESCs). STING overexpression enhances the migration and invasion of the human endometrial stromal cells (HESCs), but the addition of autophagy antagonists could significantly reverse this. STING antagonists inhibited the expression of autophagy in vivo and reduced the volume of ectopic lesions. CONCLUSION The expression levels of the cGAS-STING signal pathway and autophagy were increased in endometriosis. cGAS-STING signal pathway promotes the development of endometriosis by upregulating autophagy.
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Affiliation(s)
- Sennan Zhu
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Qiuyu Chen
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Jindan Sun
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Wenzhuo Du
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Ziqi Chen
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Mengqi Yu
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Jiayu Tao
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Yi Zhou
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Zhejiang 325000, Wenzhou, China
| | - Yu Zhao
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China
| | - Qiong Zhang
- Department of Obstetrics and Gynaecology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China.
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10
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Liu D, Zhu H, Li C. Galectins and galectin-mediated autophagy regulation: new insights into targeted cancer therapy. Biomark Res 2023; 11:22. [PMID: 36814341 PMCID: PMC9945697 DOI: 10.1186/s40364-023-00466-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 02/17/2023] [Indexed: 02/24/2023] Open
Abstract
Galectins are animal lectins with specific affinity for galactosides via the conserved carbohydrate recognition domains. Increasing studies recently have identified critical roles of galectin family members in tumor progression. Abnormal expression of galectins contributes to the proliferation, metastasis, epithelial-mesenchymal transformation (EMT), immunosuppression, radio-resistance and chemoresistance in various cancers, which has attracted cumulative clinical interest in galectin-based cancer treatment. Galectin family members have been reported to participate in autophagy regulation under physiological conditions and in non-tumoral diseases, and implication of galectins in multiple processes of carcinogenesis also involves regulation of autophagy, however, the relationship between galectins, autophagy and cancer remains largely unclear. In this review, we introduce the structure and function of galectins at the molecular level, summarize their engagements in autophagy and cancer progression, and also highlight the regulation of autophagy by galectins in cancer as well as the therapeutic potentials of galectin and autophagy-based strategies. Elaborating on the mechanism of galectin-regulated autophagy in cancers will accelerate the exploitation of galectins-autophagy targeted therapies in treatment for cancer.
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Affiliation(s)
- Dan Liu
- grid.33199.310000 0004 0368 7223Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongtao Zhu
- grid.412793.a0000 0004 1799 5032Department of Neurosurgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chuanzhou Li
- Department of Medical Genetics, School of Basic Medicine, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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11
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Cancer-Associated Fibroblast Diversity Shapes Tumor Metabolism in Pancreatic Cancer. Cancers (Basel) 2022; 15:cancers15010061. [PMID: 36612058 PMCID: PMC9817728 DOI: 10.3390/cancers15010061] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 12/14/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022] Open
Abstract
Despite extensive research, the 5-year survival rate of pancreatic cancer (PDAC) patients remains at only 9%. Patients often show poor treatment response, due partly to a highly complex tumor microenvironment (TME). Cancer-associated fibroblast (CAF) heterogeneity is characteristic of the pancreatic TME, where several CAF subpopulations have been identified, such as myofibroblastic CAFs (myCAFs), inflammatory CAFs (iCAFs), and antigen presenting CAFs (apCAFs). In PDAC, cancer cells continuously adapt their metabolism (metabolic switch) to environmental changes in pH, oxygenation, and nutrient availability. Recent advances show that these environmental alterations are all heavily driven by stromal CAFs. CAFs and cancer cells exchange cytokines and metabolites, engaging in a tight bidirectional crosstalk, which promotes tumor aggressiveness and allows constant adaptation to external stress, such as chemotherapy. In this review, we summarize CAF diversity and CAF-mediated metabolic rewiring, in a PDAC-specific context. First, we recapitulate the most recently identified CAF subtypes, focusing on the cell of origin, activation mechanism, species-dependent markers, and functions. Next, we describe in detail the metabolic crosstalk between CAFs and tumor cells. Additionally, we elucidate how CAF-driven paracrine signaling, desmoplasia, and acidosis orchestrate cancer cell metabolism. Finally, we highlight how the CAF/cancer cell crosstalk could pave the way for new therapeutic strategies.
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12
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Valencia K, Echepare M, Teijeira Á, Pasquier A, Bértolo C, Sainz C, Tamayo I, Picabea B, Bosco G, Thomas R, Agorreta J, López-Picazo JM, Frigola J, Amat R, Calvo A, Felip E, Melero I, Montuenga LM. DSTYK inhibition increases the sensitivity of lung cancer cells to T cell-mediated cytotoxicity. J Exp Med 2022; 219:213507. [PMID: 36169652 PMCID: PMC9524203 DOI: 10.1084/jem.20220726] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 07/22/2022] [Accepted: 08/29/2022] [Indexed: 12/13/2022] Open
Abstract
Lung cancer remains the leading cause of cancer-related death worldwide. We identify DSTYK, a dual serine/threonine and tyrosine non-receptor protein kinase, as a novel actionable target altered in non-small cell lung cancer (NSCLC). We also show DSTYK's association with a lower overall survival (OS) and poorer progression-free survival (PFS) in multiple patient cohorts. Abrogation of DSTYK in lung cancer experimental systems prevents mTOR-dependent cytoprotective autophagy, impairs lysosomal biogenesis and maturation, and induces accumulation of autophagosomes. Moreover, DSTYK inhibition severely affects mitochondrial fitness. We demonstrate in vivo that inhibition of DSTYK sensitizes lung cancer cells to TNF-α-mediated CD8+-killing and immune-resistant lung tumors to anti-PD-1 treatment. Finally, in a series of lung cancer patients, DSTYK copy number gain predicts lack of response to the immunotherapy. In summary, we have uncovered DSTYK as new therapeutic target in lung cancer. Prioritization of this novel target for drug development and clinical testing may expand the percentage of NSCLC patients benefiting from immune-based treatments.
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Affiliation(s)
- Karmele Valencia
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Consorcio de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain.,Department of Biochemistry and Genetics, School of Sciences, University of Navarra, Pamplona, Spain
| | - Mirari Echepare
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain
| | - Álvaro Teijeira
- Consorcio de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain.,Program of Immunology and Immunotherapy, CIMA-University of Navarra, Pamplona, Spain
| | - Andrea Pasquier
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain
| | - Cristina Bértolo
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain
| | - Cristina Sainz
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain
| | - Ibon Tamayo
- Navarra Health Research Institute (IDISNA), Pamplona, Spain.,Computational Biology program, CIMA-University of Navarra, Pamplona, Spain
| | - Beñat Picabea
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain
| | - Graziella Bosco
- Department of Translational Genomics, Medical Faculty, University of Cologne, Cologne, Germany
| | - Roman Thomas
- Department of Translational Genomics, Medical Faculty, University of Cologne, Cologne, Germany.,Department of Pathology, University Hospital Cologne, Cologne, Germany.,German Cancer Research Center, German Cancer Consortium (DKTK), Heidelberg, Germany
| | - Jackeline Agorreta
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Department of Health Sciences, Biochemistry Area, Public University of Navarra, Pamplona, Spain
| | | | - Joan Frigola
- Thoracic Cancers Translational Genomics Unit, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Ramon Amat
- Thoracic Cancers Translational Genomics Unit, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Alfonso Calvo
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Consorcio de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain
| | - Enriqueta Felip
- Thoracic Cancers Translational Genomics Unit, Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain.,Oncology Department, Hospital Universitari Vall d'Hebron and Vall d'Hebron Institute of Oncology (VHIO), Barcelona, Spain
| | - Ignacio Melero
- Consorcio de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain.,Department of Oncology, Clinica Universidad de Navarra, Pamplona, Spain
| | - Luis M Montuenga
- Program in Solid Tumors, Center for Applied Medical Research (CIMA)-University of Navarra, Pamplona, Spain.,Department of Pathology, Anatomy and Physiology, School of Medicine, University of Navarra, Pamplona, Spain.,Consorcio de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid, Spain.,Navarra Health Research Institute (IDISNA), Pamplona, Spain
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13
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Troumpoukis D, Papadimitropoulou A, Charalampous C, Kogionou P, Palamaris K, Sarantis P, Serafimidis I. Targeting autophagy in pancreatic cancer: The cancer stem cell perspective. Front Oncol 2022; 12:1049436. [PMID: 36505808 PMCID: PMC9730023 DOI: 10.3389/fonc.2022.1049436] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Accepted: 11/09/2022] [Indexed: 11/25/2022] Open
Abstract
Pancreatic cancer is currently the seventh leading cause of cancer-related deaths worldwide, with the estimated death toll approaching half a million annually. Pancreatic ductal adenocarcinoma (PDAC) is the most common (>90% of cases) and most aggressive form of pancreatic cancer, with extremely poor prognosis and very low survival rates. PDAC is initiated by genetic alterations, usually in the oncogene KRAS and tumor suppressors CDKN2A, TP53 and SMAD4, which in turn affect a number of downstream signaling pathways that regulate important cellular processes. One of the processes critically altered is autophagy, the mechanism by which cells clear away and recycle impaired or dysfunctional organelles, protein aggregates and other unwanted components, in order to achieve homeostasis. Autophagy plays conflicting roles in PDAC and has been shown to act both as a positive effector, promoting the survival of pancreatic tumor-initiating cells, and as a negative effector, increasing cytotoxicity in uncontrollably expanding cells. Recent findings have highlighted the importance of cancer stem cells in PDAC initiation, progression and metastasis. Pancreatic cancer stem cells (PaCSCs) comprise a small subpopulation of the pancreatic tumor, characterized by cellular plasticity and the ability to self-renew, and autophagy has been recognised as a key process in PaCSC maintenance and function, simultaneously suggesting new strategies to achieve their selective elimination. In this review we evaluate recent literature that links autophagy with PaCSCs and PDAC, focusing our discussion on the therapeutic implications of pharmacologically targeting autophagy in PaCSCs, as a means to treat PDAC.
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Affiliation(s)
- Dimitrios Troumpoukis
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | | | - Chrysanthi Charalampous
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Paraskevi Kogionou
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | - Kostas Palamaris
- First Department of Pathology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Panagiotis Sarantis
- Molecular Oncology Unit, Department of Biological Chemistry, Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Ioannis Serafimidis
- Center of Basic Research, Biomedical Research Foundation of the Academy of Athens, Athens, Greece,*Correspondence: Ioannis Serafimidis,
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14
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Anticancer and chemosensitization effects of cannabidiol in 2D and 3D cultures of TNBC: involvement of GADD45α, integrin-α5, -β5, -β1, and autophagy. Drug Deliv Transl Res 2022; 12:2762-2777. [PMID: 35217991 PMCID: PMC9811521 DOI: 10.1007/s13346-022-01137-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2022] [Indexed: 01/07/2023]
Abstract
To date, promising therapy for triple negative breast cancer (TNBC) remains a serious concern clinically because of poor prognosis, resistance, and recurrence. Herein, anti-cancer potential of synthetic cannabidiol (CBD; Purisys, GA; GMP grade) was explored either alone or as a chemosensitizer followed by post-treatment with doxorubicin (DOX) in TNBC (i.e., MDA-MB-231 and MDA-MB-468) cells. In comparison to 2D cultures, CBD showed greater IC50 values in 3D (LDP2 hydrogel based) cultures of MDA-MB-231 (6.26-fold higher) and MDA-MB-468 (10.22-fold higher) cells. Next-generation RNA sequencing revealed GADD45A, GADD45G, FASN, LOX, and integrin (i.e., -α5, -β5) genes to be novelly altered by CBD in MDA-MB-231 cells. CIM-16 plate-based migration assay and western blotting disclosed that CBD induces anti-migratory effects in TNBC cells by decreasing fibronectin, vimentin, and integrins-α5, -β5, and -β1. Western blotting, RT-qPCR, and immunocytochemistry revealed that CBD inhibited autophagy (decreased Beclin1, and ATG-5, -7, and -16) of TNBC cells. CBD pre-treatment increased DOX sensitivity in TNBC cells. CBD pre-treatment accompanied by DOX treatment decreased LOX and integrin-α5, and increased caspase 9 protein respectively in MDA-MB-468 cells.
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15
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Song M, Lu Q, Xu M, Li Y, Zhao Y, Gong C, Ou X. The global research and emerging trends in autophagy of pancreatic cancer: A bibliometric and visualized study. Front Oncol 2022; 12:987026. [PMID: 36263211 PMCID: PMC9574366 DOI: 10.3389/fonc.2022.987026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 09/15/2022] [Indexed: 11/30/2022] Open
Abstract
Objective To present the global research features and hotspots, and forecast the emerging trends by conducting a bibliometric analysis based on literature related to autophagy of pancreatic cancer from 2011 to 2022. Methods The literature data regarding autophagy of pancreatic cancer were retrieved and downloaded from the Web of Science Core Collection (WOSCC) from Clarivate Analytics on June 10th, 2022. VOSviewer (version 1.6.18) was used to perform the bibliometric analysis. Results A total of 616 studies written by 3993 authors, covered 45 countries and 871 organizations, published in 263 journals and co-cited 28152 references from 2719 journals. China (n=260, 42.2%) and the United States (n=211, 34.3%) were the most frequent publishers and collaborated closely. However, publications from China had a low average number of citations (25.35 times per paper). The output of University of Texas MD Anderson Cancer Center ranked the first with 26 papers (accounting for 4.2% of the total publications). Cancers (n=23, 3.7%; Impact Factor = 6.639) published most papers in this field and was very pleasure to accept related researches. Daolin Tang and Rui Kang published the most papers (n=18, respectively). The research hotspots mainly focused on the mechanisms of autophagy in tumor onset and progression, the role of autophagy in tumor apoptosis, and autophagy-related drugs in treating pancreatic cancer (especially combined therapy). The emerging topics were chemotherapy resistance mediated by autophagy, tumor microenvironment related to autophagy, autophagy-depended epithelial-mesenchymal transition (EMT), mitophagy, and the role of autophagy in tumor invasion. Conclusion Attention has been increasing in autophagy of pancreatic cancer over the past 12 years. Our results undoubtedly provide scholars with new clues and ideas in this field.
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Affiliation(s)
- Mingyang Song
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Qin Lu
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Min Xu
- Department of Human Anatomy, School of Medicine, Southeast University, Nanjing, China
| | - Yajie Li
- Department of Gerontology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Yawen Zhao
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Chen Gong
- Department of Gastroenterology, Taicang Affiliated Hospital of Soochow University, The First People’s Hospital of Taicang, Jiangsu, China
- *Correspondence: Xilong Ou, ; Chen Gong,
| | - Xilong Ou
- Department of Gastroenterology, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
- *Correspondence: Xilong Ou, ; Chen Gong,
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16
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Shiau JP, Chuang YT, Tang JY, Yang KH, Chang FR, Hou MF, Yen CY, Chang HW. The Impact of Oxidative Stress and AKT Pathway on Cancer Cell Functions and Its Application to Natural Products. Antioxidants (Basel) 2022; 11:1845. [PMID: 36139919 PMCID: PMC9495789 DOI: 10.3390/antiox11091845] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 01/10/2023] Open
Abstract
Oxidative stress and AKT serine-threonine kinase (AKT) are responsible for regulating several cell functions of cancer cells. Several natural products modulate both oxidative stress and AKT for anticancer effects. However, the impact of natural product-modulating oxidative stress and AKT on cell functions lacks systemic understanding. Notably, the contribution of regulating cell functions by AKT downstream effectors is not yet well integrated. This review explores the role of oxidative stress and AKT pathway (AKT/AKT effectors) on ten cell functions, including apoptosis, autophagy, endoplasmic reticulum stress, mitochondrial morphogenesis, ferroptosis, necroptosis, DNA damage response, senescence, migration, and cell-cycle progression. The impact of oxidative stress and AKT are connected to these cell functions through cell function mediators. Moreover, the AKT effectors related to cell functions are integrated. Based on this rationale, natural products with the modulating abilities for oxidative stress and AKT pathway exhibit the potential to regulate these cell functions, but some were rarely reported, particularly for AKT effectors. This review sheds light on understanding the roles of oxidative stress and AKT pathway in regulating cell functions, providing future directions for natural products in cancer treatment.
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Affiliation(s)
- Jun-Ping Shiau
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan or
| | - Ya-Ting Chuang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jen-Yang Tang
- School of Post-Baccalaureate Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Department of Radiation Oncology, Kaohsiung Medical University Hospital, Kaoshiung Medical University, Kaohsiung 80708, Taiwan
| | - Kun-Han Yang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Fang-Rong Chang
- Graduate Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Ming-Feng Hou
- Division of Breast Oncology and Surgery, Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan or
- Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Ching-Yu Yen
- Department of Oral and Maxillofacial Surgery, Chi-Mei Medical Center, Tainan 71004, Taiwan
- School of Dentistry, Taipei Medical University, Taipei 11031, Taiwan
| | - Hsueh-Wei Chang
- Department of Biomedical Science and Environmental Biology, College of Life Science, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
- Center for Cancer Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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17
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Liu C, Wang L, Sun Y, Zhao X, Chen T, Su X, Guo H, Wang Q, Xi X, Ding Y, Chen Y. Probe Synthesis Reveals Eukaryotic Translation Elongation Factor 1 Alpha 1 as the Anti‐Pancreatic Cancer Target of BE‐43547A
2. Angew Chem Int Ed Engl 2022; 61:e202206953. [DOI: 10.1002/anie.202206953] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Indexed: 12/17/2022]
Affiliation(s)
- Can Liu
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Liang Wang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
- College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 P. R. China
| | - Yuanjun Sun
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Xiuhe Zhao
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Tianyang Chen
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Xiuwen Su
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Hui Guo
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Qin Wang
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Xiaonan Xi
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
| | - Yahui Ding
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
- College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 P. R. China
| | - Yue Chen
- State Key Laboratory of Medicinal Chemical Biology College of Pharmacy Nankai University 38 Tongyan Road Tianjin 300353 P. R. China
- College of Chemistry Nankai University 94 Weijin Road Tianjin 300071 P. R. China
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18
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Zuzčák M, Trnka J. Cellular metabolism in pancreatic cancer as a tool for prognosis and treatment (Review). Int J Oncol 2022; 61:93. [PMID: 35730611 PMCID: PMC9256076 DOI: 10.3892/ijo.2022.5383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 05/10/2022] [Indexed: 11/28/2022] Open
Abstract
Pancreatic cancer (PC) has one of the highest fatality rates and the currently available therapeutic options are not sufficient to improve its overall poor prognosis. In addition to insufficient effectiveness of anticancer treatments, the lack of clear early symptoms and early metastatic spread maintain the PC survival rates at a low level. Metabolic reprogramming is among the hallmarks of cancer and could be exploited for the diagnosis and treatment of PC. PC is characterized by its heterogeneity and, apart from molecular subtypes, the identification of metabolic subtypes in PC could aid in the development of more individualized therapeutic approaches and may lead to improved clinical outcomes. In addition to the deregulated utilization of glucose in aerobic glycolysis, PC cells can use a wide range of substrates, including branched‑chain amino acids, glutamine and lipids to fulfil their energy requirements, as well as biosynthetic needs. The tumor microenvironment in PC supports tumor growth, metastatic spread, treatment resistance and the suppression of the host immune response. Moreover, reciprocal interactions between cancer and stromal cells enhance their metabolic reprogramming. PC stem cells (PCSCs) with an increased resistance and distinct metabolic properties are associated with disease relapses and cancer spread, and represent another significant candidate for therapeutic targeting. The present review discusses the metabolic signatures observed in PC, a disease with a multifaceted and often transient metabolic landscape. In addition, the metabolic pathways utilized by PC cells, as well as stromal cells are discussed, providing examples of how they could present novel targets for therapeutic interventions and elaborating on how interactions between the various cell types affect their metabolism. Furthermore, the importance of PCSCs is discussed, focusing specifically on their metabolic adaptations.
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Affiliation(s)
- Michal Zuzčák
- Department of Biochemistry, Cell and Molecular Biology, Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic
- Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic
| | - Jan Trnka
- Department of Biochemistry, Cell and Molecular Biology, Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic
- Center for Research on Nutrition, Metabolism and Diabetes, Third Faculty of Medicine, Charles University, 10000 Prague, Czech Republic
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Gillson J, Abd El-Aziz YS, Leck LYW, Jansson PJ, Pavlakis N, Samra JS, Mittal A, Sahni S. Autophagy: A Key Player in Pancreatic Cancer Progression and a Potential Drug Target. Cancers (Basel) 2022; 14:3528. [PMID: 35884592 PMCID: PMC9315706 DOI: 10.3390/cancers14143528] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/10/2022] [Accepted: 07/11/2022] [Indexed: 01/18/2023] Open
Abstract
Pancreatic cancer is known to have the lowest survival outcomes among all major cancers, and unfortunately, this has only been marginally improved over last four decades. The innate characteristics of pancreatic cancer include an aggressive and fast-growing nature from powerful driver mutations, a highly defensive tumor microenvironment and the upregulation of advantageous survival pathways such as autophagy. Autophagy involves targeted degradation of proteins and organelles to provide a secondary source of cellular supplies to maintain cell growth. Elevated autophagic activity in pancreatic cancer is recognized as a major survival pathway as it provides a plethora of support for tumors by supplying vital resources, maintaining tumour survival under the stressful microenvironment and promoting other pathways involved in tumour progression and metastasis. The combination of these features is unique to pancreatic cancer and present significant resistance to chemotherapeutic strategies, thus, indicating a need for further investigation into therapies targeting this crucial pathway. This review will outline the autophagy pathway and its regulation, in addition to the genetic landscape and tumor microenvironment that contribute to pancreatic cancer severity. Moreover, this review will also discuss the mechanisms of novel therapeutic strategies that inhibit autophagy and how they could be used to suppress tumor progression.
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Affiliation(s)
- Josef Gillson
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
| | - Yomna S. Abd El-Aziz
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
- Oral Pathology Department, Faculty of Dentistry, Tanta University, Tanta 31527, Egypt
| | - Lionel Y. W. Leck
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
- Cancer Drug Resistance and Stem Cell Program, University of Sydney, Sydney, NSW 2006, Australia
| | - Patric J. Jansson
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
- Cancer Drug Resistance and Stem Cell Program, University of Sydney, Sydney, NSW 2006, Australia
| | - Nick Pavlakis
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
| | - Jaswinder S. Samra
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Upper GI Surgical Unit, Royal North Shore Hospital and North Shore Private Hospital, St Leonards, Sydney, NSW 2065, Australia
- Australian Pancreatic Centre, St Leonards, Sydney, NSW 2065, Australia
| | - Anubhav Mittal
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Upper GI Surgical Unit, Royal North Shore Hospital and North Shore Private Hospital, St Leonards, Sydney, NSW 2065, Australia
- Australian Pancreatic Centre, St Leonards, Sydney, NSW 2065, Australia
- School of Medicine, University of Notre Dame, Darlinghurst, Sydney, NSW 2010, Australia
| | - Sumit Sahni
- Faculty of Medicine and Health, University of Sydney, Camperdown, Sydney, NSW 2050, Australia; (J.G.); (Y.S.A.E.-A.); (L.Y.W.L.); (P.J.J.); (N.P.); (J.S.S.); (A.M.)
- Bill Walsh Translational Cancer Research Laboratory, Kolling Institute of Medical Research, St Leonards, Sydney, NSW 2065, Australia
- Australian Pancreatic Centre, St Leonards, Sydney, NSW 2065, Australia
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20
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Hypoxia signaling in human health and diseases: implications and prospects for therapeutics. Signal Transduct Target Ther 2022; 7:218. [PMID: 35798726 PMCID: PMC9261907 DOI: 10.1038/s41392-022-01080-1] [Citation(s) in RCA: 110] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/17/2022] [Accepted: 06/23/2022] [Indexed: 02/07/2023] Open
Abstract
Molecular oxygen (O2) is essential for most biological reactions in mammalian cells. When the intracellular oxygen content decreases, it is called hypoxia. The process of hypoxia is linked to several biological processes, including pathogenic microbe infection, metabolic adaptation, cancer, acute and chronic diseases, and other stress responses. The mechanism underlying cells respond to oxygen changes to mediate subsequent signal response is the central question during hypoxia. Hypoxia-inducible factors (HIFs) sense hypoxia to regulate the expressions of a series of downstream genes expression, which participate in multiple processes including cell metabolism, cell growth/death, cell proliferation, glycolysis, immune response, microbe infection, tumorigenesis, and metastasis. Importantly, hypoxia signaling also interacts with other cellular pathways, such as phosphoinositide 3-kinase (PI3K)-mammalian target of rapamycin (mTOR) signaling, nuclear factor kappa-B (NF-κB) pathway, extracellular signal-regulated kinases (ERK) signaling, and endoplasmic reticulum (ER) stress. This paper systematically reviews the mechanisms of hypoxia signaling activation, the control of HIF signaling, and the function of HIF signaling in human health and diseases. In addition, the therapeutic targets involved in HIF signaling to balance health and diseases are summarized and highlighted, which would provide novel strategies for the design and development of therapeutic drugs.
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Vitto VAM, Bianchin S, Zolondick AA, Pellielo G, Rimessi A, Chianese D, Yang H, Carbone M, Pinton P, Giorgi C, Patergnani S. Molecular Mechanisms of Autophagy in Cancer Development, Progression, and Therapy. Biomedicines 2022; 10:biomedicines10071596. [PMID: 35884904 PMCID: PMC9313210 DOI: 10.3390/biomedicines10071596] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/25/2022] [Accepted: 06/30/2022] [Indexed: 01/18/2023] Open
Abstract
Autophagy is an evolutionarily conserved and tightly regulated process that plays an important role in maintaining cellular homeostasis. It involves regulation of various genes that function to degrade unnecessary or dysfunctional cellular components, and to recycle metabolic substrates. Autophagy is modulated by many factors, such as nutritional status, energy level, hypoxic conditions, endoplasmic reticulum stress, hormonal stimulation and drugs, and these factors can regulate autophagy both upstream and downstream of the pathway. In cancer, autophagy acts as a double-edged sword depending on the tissue type and stage of tumorigenesis. On the one hand, autophagy promotes tumor progression in advanced stages by stimulating tumor growth. On the other hand, autophagy inhibits tumor development in the early stages by enhancing its tumor suppressor activity. Moreover, autophagy drives resistance to anticancer therapy, even though in some tumor types, its activation induces lethal effects on cancer cells. In this review, we summarize the biological mechanisms of autophagy and its dual role in cancer. In addition, we report the current understanding of autophagy in some cancer types with markedly high incidence and/or lethality, and the existing therapeutic strategies targeting autophagy for the treatment of cancer.
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Affiliation(s)
- Veronica Angela Maria Vitto
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Silvia Bianchin
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Alicia Ann Zolondick
- Thoracic Oncology, University of Hawaii Cancer Center, Honolulu, HI 96816, USA; (A.A.Z.); (H.Y.); (M.C.)
- Department of Molecular Biosciences and Bioengineering, University of Hawai’i at Manoa, Honolulu, HI 96816, USA
| | - Giulia Pellielo
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Alessandro Rimessi
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Diego Chianese
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Haining Yang
- Thoracic Oncology, University of Hawaii Cancer Center, Honolulu, HI 96816, USA; (A.A.Z.); (H.Y.); (M.C.)
| | - Michele Carbone
- Thoracic Oncology, University of Hawaii Cancer Center, Honolulu, HI 96816, USA; (A.A.Z.); (H.Y.); (M.C.)
| | - Paolo Pinton
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
| | - Carlotta Giorgi
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
- Correspondence: (C.G.); (S.P.)
| | - Simone Patergnani
- Laboratory for Technologies of Advanced Therapies (LTTA), Department of Medical Science, University of Ferrara, 44121 Ferrara, Italy; (V.A.M.V.); (S.B.); (G.P.); (A.R.); (D.C.); (P.P.)
- Correspondence: (C.G.); (S.P.)
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22
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Liu C, Wang L, Sun Y, Zhao X, Chen T, Su X, Guo H, Wang Q, Xi X, Ding Y, Chen Y. Probe Synthesis Reveals Eukaryotic Translation Elongation Factor 1 Alpha 1 as the Anti‐Pancreatic Cancer Target of BE‐43547A2. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Can Liu
- Nankai University College of Pharmacy CHINA
| | - Liang Wang
- Nankai University College of Chemistry CHINA
| | | | - Xiuhe Zhao
- Nankai University College of Pharmacy CHINA
| | | | - Xiuwen Su
- Nankai University College of Pharmacy CHINA
| | - Hui Guo
- Nankai University College of Pharmacy CHINA
| | - Qin Wang
- Nankai University College of Pharmacy CHINA
| | - Xiaonan Xi
- Nankai University College of Pharmacy CHINA
| | - Yahui Ding
- Nankai University College of Chemistry CHINA
| | - Yue Chen
- Nankai University College of Pharmacy Weijin RoadNankai district 300071 Tianjin CHINA
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23
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Nelson JK, Thin MZ, Evan T, Howell S, Wu M, Almeida B, Legrave N, Koenis DS, Koifman G, Sugimoto Y, Llorian Sopena M, MacRae J, Nye E, Howell M, Snijders AP, Prachalias A, Zen Y, Sarker D, Behrens A. USP25 promotes pathological HIF-1-driven metabolic reprogramming and is a potential therapeutic target in pancreatic cancer. Nat Commun 2022; 13:2070. [PMID: 35440539 PMCID: PMC9018856 DOI: 10.1038/s41467-022-29684-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 03/29/2022] [Indexed: 12/12/2022] Open
Abstract
Deubiquitylating enzymes (DUBs) play an essential role in targeted protein degradation and represent an emerging therapeutic paradigm in cancer. However, their therapeutic potential in pancreatic ductal adenocarcinoma (PDAC) has not been explored. Here, we develop a DUB discovery pipeline, combining activity-based proteomics with a loss-of-function genetic screen in patient-derived PDAC organoids and murine genetic models. This approach identifies USP25 as a master regulator of PDAC growth and maintenance. Genetic and pharmacological USP25 inhibition results in potent growth impairment in PDAC organoids, while normal pancreatic organoids are insensitive, and causes dramatic regression of patient-derived xenografts. Mechanistically, USP25 deubiquitinates and stabilizes the HIF-1α transcription factor. PDAC is characterized by a severely hypoxic microenvironment, and USP25 depletion abrogates HIF-1α transcriptional activity and impairs glycolysis, inducing PDAC cell death in the tumor hypoxic core. Thus, the USP25/HIF-1α axis is an essential mechanism of metabolic reprogramming and survival in PDAC, which can be therapeutically exploited.
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Affiliation(s)
- Jessica K Nelson
- Adult Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
- Cancer Stem Cell Laboratory, The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, London, SW3 6JB, UK
| | - May Zaw Thin
- Adult Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
- Cancer Stem Cell Laboratory, The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, London, SW3 6JB, UK
| | - Theodore Evan
- Adult Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Steven Howell
- Proteomics, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Mary Wu
- High Throughput Screening, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Bruna Almeida
- Experimental Histopathology, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Nathalie Legrave
- Metabolomics, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Duco S Koenis
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London, EC1M 6BQ, UK
| | - Gabriela Koifman
- Adult Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
- Cancer Stem Cell Laboratory, The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, London, SW3 6JB, UK
| | - Yoichiro Sugimoto
- Hypoxia Biology Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Miriam Llorian Sopena
- Bioinformatics and Biostatistics, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - James MacRae
- Metabolomics, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Emma Nye
- Experimental Histopathology, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | - Michael Howell
- High Throughput Screening, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK
| | | | - Andreas Prachalias
- Hepatobiliary and Pancreatic Surgery, King's College Hospital, Denmark Hill, London, SE5 9RS, UK
| | - Yoh Zen
- Institute of Liver Studies, King's College Hospital, Denmark Hill, London, SE5 9RS, UK
| | - Debashis Sarker
- School of Cancer and Pharmaceutical Sciences, King's College Hospital, Denmark Hill, London, SE5 9RS, UK
| | - Axel Behrens
- Adult Stem Cell Laboratory, The Francis Crick Institute, 1 Midland Road, London, NW1 1AT, UK.
- Cancer Stem Cell Laboratory, The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, 237 Fulham Road, London, SW3 6JB, UK.
- Imperial College, Division of Cancer, Department of Surgery and Cancer, Imperial College, Exhibition Road, London, SW7 2AZ, UK.
- Convergence Science Centre, Imperial College, Exhibition Road, London, SW7 2BU, UK.
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Gp130-Mediated STAT3 Activation Contributes to the Aggressiveness of Pancreatic Cancer through H19 Long Non-Coding RNA Expression. Cancers (Basel) 2022; 14:cancers14092055. [PMID: 35565185 PMCID: PMC9100112 DOI: 10.3390/cancers14092055] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 04/14/2022] [Accepted: 04/15/2022] [Indexed: 12/14/2022] Open
Abstract
Simple Summary The signal transducer and activator of transcription 3 (STAT3) activation correlate with the aggressiveness of pancreatic ductal adenocarcinoma (PDAC). We demonstrated that the autocrine/paracrine interleukin-6 (IL-6) or leukemia inhibitory factor (LIF)/glycoprotein 130 (gp130)/STAT3 pathway contributes to the maintenance of stemness features and membrane-type 1 matrix metalloproteinase (MT1-MMP) expression, and modulates transforming growth factor (TGF)-β1/Smad signaling-mediated epithelial-mesenchymal transition (EMT) and invasion through regulation of TGFβ-RII expression in PDAC cancer stem cell (CSC)-like cells. Furthermore, we demonstrated that p-STAT3 acts through the IL-6 or LIF/gp130/STAT3 pathway to access the active promoter region of metastasis-related long non-coding RNA H19 and contribute to its transcription in CSC-like cells. Therefore, the autocrine/paracrine IL-6 or LIF/gp130/STAT3 pathway in PDAC CSC-like cells exhibiting H19 expression is considered to be involved in the aggressiveness of PDAC, and inhibition of the gp130/STAT3 pathway is a promising strategy to target CSCs for the elimination of PDAC (146/150). Abstract Signaling pathways involving signal transducer and activator of transcription 3 (STAT3) play key roles in the aggressiveness of pancreatic ductal adenocarcinoma (PDAC), including their tumorigenesis, invasion, and metastasis. Cancer stem cells (CSCs) have been correlated with PDAC aggressiveness, and activation of STAT3 is involved in the regulation of CSC properties. Here, we investigated the involvement of interleukin-6 (IL-6) or the leukemia inhibitory factor (LIF)/glycoprotein 130 (gp130)/STAT3 pathway and their role in pancreatic CSCs. In PDAC CSC-like cells formed by culturing on a low attachment plate, autocrine/paracrine IL-6 or LIF contributes to gp130/STAT3 pathway activation. Using a gp130 inhibitor, we determined that the gp130/STAT3 pathway contributes to the maintenance of stemness features, the expression of membrane-type 1 matrix metalloproteinase (MT1-MMP), and the invasion of PDAC CSC-like cells. The gp130/STAT3 pathway also modulates the transforming growth factor (TGF)-β1/Smad pathway required for epithelial-mesenchymal transition induction through regulation of TGFβ-RII expression in PDAC CSC-like cells. Furthermore, chromatin immunoprecipitation assays revealed that p-STAT3 can access the active promoter region of H19 to influence this metastasis-related long non-coding RNA and contribute to its transcription in PDAC CSC-like cells. Therefore, the autocrine/paracrine IL-6 or LIF/gp130/STAT3 pathway in PDAC CSC-like cells may eventually facilitate invasion and metastasis, two hallmarks of malignancy. We propose that inhibition of the gp130/STAT3 pathway provides a promising strategy for targeting CSCs for the treatment of PDAC.
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Sharma A, Sinha S, Shrivastava N. Therapeutic Targeting Hypoxia-Inducible Factor (HIF-1) in Cancer: Cutting Gordian Knot of Cancer Cell Metabolism. Front Genet 2022; 13:849040. [PMID: 35432450 PMCID: PMC9008776 DOI: 10.3389/fgene.2022.849040] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Accepted: 03/09/2022] [Indexed: 12/20/2022] Open
Abstract
Metabolic alterations are one of the hallmarks of cancer, which has recently gained great attention. Increased glucose absorption and lactate secretion in cancer cells are characterized by the Warburg effect, which is caused by the metabolic changes in the tumor tissue. Cancer cells switch from oxidative phosphorylation (OXPHOS) to aerobic glycolysis due to changes in glucose degradation mechanisms, a process known as “metabolic reprogramming”. As a result, proteins involved in mediating the altered metabolic pathways identified in cancer cells pose novel therapeutic targets. Hypoxic tumor microenvironment (HTM) is anticipated to trigger and promote metabolic alterations, oncogene activation, epithelial-mesenchymal transition, and drug resistance, all of which are hallmarks of aggressive cancer behaviour. Angiogenesis, erythropoiesis, glycolysis regulation, glucose transport, acidosis regulators have all been orchestrated through the activation and stability of a transcription factor termed hypoxia-inducible factor-1 (HIF-1), hence altering crucial Warburg effect activities. Therefore, targeting HIF-1 as a cancer therapy seems like an extremely rational approach as it is directly involved in the shift of cancer tissue. In this mini-review, we present a brief overview of the function of HIF-1 in hypoxic glycolysis with a particular focus on novel therapeutic strategies currently available.
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Affiliation(s)
- Abhilasha Sharma
- Department of Life Science, University School of Sciences, Gujarat University, Ahmedabad, India
| | | | - Neeta Shrivastava
- Shri B.V. Patel Education Trust, Ahmedabad, India
- *Correspondence: Neeta Shrivastava,
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4-O-methylascochlorin-stimulated HIF-1α expression induces the epithelial mesenchymal transition and cell survival in breast cancer cells. Toxicol In Vitro 2022; 81:105342. [DOI: 10.1016/j.tiv.2022.105342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 02/14/2022] [Accepted: 02/26/2022] [Indexed: 11/24/2022]
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27
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Motoo I, Nanjo S, Ando T, Yamashita S, Ushijima T, Yasuda I. Methylation silencing of ULK2 via epithelial-mesenchymal transition causes transformation to poorly differentiated gastric cancers. Gastric Cancer 2022; 25:325-335. [PMID: 34554345 DOI: 10.1007/s10120-021-01250-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Diffuse-type gastric cancers (DGC) typically have a poor prognosis related to their invasion and metastasis, in which the epithelial-mesenchymal transition (EMT) is the initiation step. ULK2 plays a role in the autophagy initiation, which might provide a survival advantage in cancer cells. Although knock-down of ULK2 reportedly induces autophagy and EMT in a lung cancer cell line, the mechanism of EMT via the down-regulation of ULK2, as well as its clinical significance, remains yet unclear. The present study, therefore, aims at clarifying this mechanism and its clinical significance in gastric cancers. METHODS We examined ULK2 mRNA expression in gastric cancer tissues and normal gastric tissues of healthy people. The effects of knock-downed ULK2 were examined in two gastric cancer cells, which were investigated in terms of their gene expression changes by the mRNA microarray. RESULTS ULK2 was strongly expressed in intestinal-type cancers but was scarcely expressed in DGC by immunohistochemical staining. Furthermore, we found that ULK2 was methylated in DGC and was unmethylated in corresponding adjacent normal tissues. Then, we validated whether knock-down of ULK2 could induce autophagy, cell migration, and EMT in NUGC3 and MKN45 cells. Using mRNA microarray analysis, we confirmed that knock-down of ULK2 changed expressions of oncogenic genes associated with cell migration and EMT. Autophagy inhibitor suppressed cell migration and EMT induced by knock-down of ULK2 in NUGC3 and MKN45. CONCLUSION Methylation silencing of ULK2 could induce cell migration and EMT by means of autophagy induction, causing transformation to poorly differentiated cancers.
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Affiliation(s)
- Iori Motoo
- Department of Gastroenterology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Sohachi Nanjo
- Department of Gastroenterology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan.
| | - Takayuki Ando
- Department of Gastroenterology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
| | - Satoshi Yamashita
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Toshikazu Ushijima
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Ichiro Yasuda
- Department of Gastroenterology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, 2630 Sugitani, Toyama, 930-0194, Japan
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Si L, Yang Z, Ding L, Zhang D. Regulatory effects of lncRNAs and miRNAs on the crosstalk between autophagy and EMT in cancer: a new era for cancer treatment. J Cancer Res Clin Oncol 2022; 148:547-564. [PMID: 35083552 DOI: 10.1007/s00432-021-03892-0] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/15/2021] [Indexed: 02/07/2023]
Abstract
PURPOSE Autophagy and EMT (epithelial-mesenchymal transition) are the two principal biological processes and ideal therapeutic targets during cancer development. Autophagy, a highly conserved process for degrading dysfunctional cellular components, plays a dual role in tumors depending on the tumor stage and tissue types. The EMT process is the transition differentiation from an epithelial cell to a mesenchymal-like cell and acquiring metastatic potential. There is evidence that the crosstalk between autophagy and EMT is complex in cancer. In recent years, more studies have shown that long non-coding RNAs (lncRNAs) and microRNAs (miRNAs) are involved in autophagy, EMT, and their crosstalk. Therefore, accurate understanding of the regulatory mechanisms of lncRNAs and miRNAs in autophagy, EMT and their interactions is crucial for the clinical management of cancers. METHODS An extensive literature search was conducted on the Google Scholar and PubMed databases. The keywords used for the search included: autophagy, EMT, crosstalk, lncRNAs, miRNAs, cancers, diagnostic biomarkers, and therapeutic targets. This search provided relevant articles published in peer-reviewed journals until 2021. Data from these various studies were extracted and used in this review. RESULTS The results showed that lncRNAs/miRNAs as tumor inhibitors or tumor inducers could regulate autophagy, EMT, and their interaction by regulating several molecular signaling pathways. The lncRNAs/miRNAs involved in autophagy and EMT processes could have potential uses in cancer diagnosis, prognosis, and therapy. CONCLUSION Such information could help find and develop lncRNAs/miRNAs based new tools for diagnosing, prognosis, and creating anti-cancer therapies.
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Affiliation(s)
- Lihui Si
- Department of Obstetrics and Gynecology, The Second Hospital of Jilin University, Changchun, 130000, China
| | - Zecheng Yang
- Department of Gastrointestinal Surgery, The Second Hospital of Jilin University, Changchun, 130000, China.
| | - Lu Ding
- Department of Gastrointestinal Surgery, The Second Hospital of Jilin University, Changchun, 130000, China
| | - Duoduo Zhang
- Department of Thoracic Surgery, The First Hospital of Jilin University, Changchun, 130000, Jilin Province, China
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Wang X, Lee J, Xie C. Autophagy Regulation on Cancer Stem Cell Maintenance, Metastasis, and Therapy Resistance. Cancers (Basel) 2022; 14:cancers14020381. [PMID: 35053542 PMCID: PMC8774167 DOI: 10.3390/cancers14020381] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 02/08/2023] Open
Abstract
Simple Summary Certain types of cancer have higher relapse rates compared to others, and cancer stem cells (CSCs) have been shown as the main drivers of cancer relapse and cancer severity. This subpopulation of cells displays stem-like characteristics which bolster tumorigenesis along with metastasis and lead to poorer prognoses. Autophagy has been studied as a mechanism by which CSCs maintain stemness and acquire resistance to chemotherapy and radiation. The aim of this review is to condense and organize what has been recently published on the connection between cancer stem cells (CSCs) and autophagy. Multiple studies on autophagy have suggested that the pathway is a double-edged sword, which can either undermine or enhance CSC characteristics depending on interactions with different pathways. Thus, future research should investigate regulation of autophagy in combination with traditional cancer therapies as a possible method to effectively eliminate CSCs and minimize cancer relapse. Abstract Cancer stem cells (CSCs) are a subset of the tumor population that play critical roles in tumorigenicity, metastasis, and relapse. A key feature of CSCs is their resistance to numerous therapeutic strategies which include chemotherapy, radiation, and immune checkpoint inhibitors. In recent years, there is a growing body of literature that suggests a link between CSC maintenance and autophagy, a mechanism to recycle intracellular components during moments of environmental stress, especially since CSCs thrive in a tumor microenvironment that is plagued with hypoxia, acidosis, and lack of nutrients. Autophagy activation has been shown to aid in the upkeep of a stemness state along with bolstering resistance to cancer treatment. However, recent studies have also suggested that autophagy is a double-edged sword with anti-tumorigenic properties under certain circumstances. This review summarizes and integrates what has been published in the literature in terms of what role autophagy plays in stemness maintenance of CSCs and suggests that there is a more complex interplay between autophagy and apoptosis which involves multiple pathways of regulation. Future cancer therapy strategies are needed to eradicate this resistant subset of the cell population through autophagy regulation.
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Vinogradskaya GR, Ivanov AV, Kushch AA. Mechanisms of Survival of Cytomegalovirus-Infected Tumor Cells. Mol Biol 2022; 56:668-683. [PMID: 36217337 PMCID: PMC9534468 DOI: 10.1134/s0026893322050132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/19/2022] [Accepted: 04/19/2022] [Indexed: 11/04/2022]
Abstract
Human cytomegalovirus (HCMV) DNA and proteins are often detected in malignant tumors, warranting studies of the role that HCMV plays in carcinogenesis and tumor progression. HCMV proteins were shown to regulate the key processes involved in tumorigenesis. While HCMV as an oncogenic factor just came into focus, its ability to promote tumor progression is generally recognized. The review discusses the viral factors and cell molecular pathways that affect the resistance of cancer cells to therapy. CMV inhibits apoptosis of tumor cells, that not only promotes tumor progression, but also reduces the sensitivity of cells to antitumor therapy. Autophagy was found to facilitate either cell survival or cell death in different tumor cells. In leukemia cells, HCMV induces a "protective" autophagy that suppresses apoptosis. Viral factors that mediate drug resistance and their interactions with key cell death pathways are necessary to further investigate in order to develop agents that can restore the tumor sensitivity to anticancer drugs.
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Affiliation(s)
- G. R. Vinogradskaya
- Konstantinov St. Petersburg Institute of Nuclear Physics, National Research Center “Kurchatov Institute”, 188300 Gatchina, Leningrad oblast Russia
| | - A. V. Ivanov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
| | - A. A Kushch
- Gamaleya National Research Center of Epidemiology and Microbiology, Ministry of Health of the Russian Federation, 123098 Moscow, Russia
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Qingjie Fuzheng Granule Inhibits EMT and Induces Autophagy in Colorectal Cancer via mTOR Signaling Pathways. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:9950499. [PMID: 34887935 PMCID: PMC8651347 DOI: 10.1155/2021/9950499] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 09/04/2021] [Accepted: 11/03/2021] [Indexed: 01/10/2023]
Abstract
Qingjie Fuzheng granule (QFG) is a traditional Chinese medicinal formula used extensively as an alternative medicine for cancer treatment, including colorectal cancer (CRC). But its pathological mechanism in CRC is unclear. To study antitumor treatment effects and mechanisms of QFG, we established a CRC HCT-116 xenograft mouse model and assessed QFG on EMT and autophagy progression in vivo. The mice were randomly divided into 2 groups (n = 10 each group) and treated with intragastric administration of 1 g/kg of QFG or saline 6 days a week for 28 days (4 weeks). Body weight was measured every other day with electronic balance. At the end of the treatment, the tumor weight was measured. Immunohistochemical (IHC) and western blot (WB) assay were used to detect the expression level of E-cadherin, N-cadherin, vimentin, and TWIST1 to evaluate the effect of QFG on tumor cell EMT progression. IHC and WB assay were also used to detect the expression level of beclin-1, LC3-II, and p62 to evaluate the effect of QFG on tumor cell autophagy progression. Furthermore, the expression level of relative proteins in mTOR pathway was detected by WB assay to investigate the mechanism of QFG effect on CRC. We discovered that QFG inhibited the rise of tumor weight while it had no effect on mice body weight, which proved that QFG could inhibit CRC growth progression without significant side effects in vivo. In addition, QFG treatment inhibited EMT and induced autophagy progression in CRC tumor cells, including that QFG upregulated the expression of E-cadherin, beclin-1, and LC3-II, but downregulated the expression of N-cadherin, vimentin, TWIST1, and p62. And, QFG decreased the ratio of p-PI3K/PI3K, p-AKT/AKT, and p-mTOR/mTOR, but increased the ratio of p-AMPK/AMPK. All findings from this research proved that QFG can induce autophagy and inhibit EMT progression in CRC via regulating the mTOR signaling pathway.
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Mukhopadhyay S, Mahapatra KK, Praharaj PP, Patil S, Bhutia SK. Recent progress of autophagy signaling in tumor microenvironment and its targeting for possible cancer therapeutics. Semin Cancer Biol 2021; 85:196-208. [PMID: 34500075 DOI: 10.1016/j.semcancer.2021.09.003] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2021] [Revised: 08/30/2021] [Accepted: 09/03/2021] [Indexed: 02/08/2023]
Abstract
Autophagy, a lysosomal catabolic process, involves degradation of cellular materials, protein aggregate, and dysfunctional organelles to maintain cellular homeostasis. Strikingly, autophagy exhibits a dual-sided role in cancer; on the one hand, it promotes clearance of transformed cells and inhibits tumorigenesis, while cytoprotective autophagy has a role in sustaining cancer. The autophagy signaling in the tumor microenvironment (TME) during cancer growth and therapy is not adequately understood. The review highlights the role of autophagy signaling pathways to support cancer growth and progression in adaptation to the oxidative and hypoxic context of TME. Furthermore, autophagy contributes to regulating the metabolic switch for generating sufficient levels of high-energy metabolites, including amino acids, ketones, glutamine, and free fatty acids for cancer cell survival. Interestingly, autophagy has a critical role in modulating the tumor-associated fibroblast resulting in different cytokines and paracrine signaling mediated angiogenesis and invasion of pre-metastatic niches to secondary tumor sites. Moreover, autophagy promotes immune evasion to inhibit antitumor immunity, and autophagy inhibitors enhance response to immunotherapy with infiltration of immune cells to the TME niche. Furthermore, autophagy in TME maintains and supports the survival of cancer stem cells resulting in chemoresistance and therapy recurrence. Presently, drug repurposing has enabled the use of lysosomal inhibitor-based antimalarial drugs like chloroquine and hydroxychloroquine as clinically available autophagy inhibitors in cancer therapy. We focus on the recent developments of multiple autophagy modulators from pre-clinical trials and the challenges in developing autophagy-based cancer therapy.
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Affiliation(s)
- Subhadip Mukhopadhyay
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India
| | - Kewal Kumar Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India
| | - Prakash Priyadarshi Praharaj
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India
| | - Shankargouda Patil
- Department of Maxillofacial Surgery and Diagnostic Sciences, Division of Oral Pathology, College of Dentistry, Jazan University, Saudi Arabia
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology Rourkela, Rourkela 769008, Odisha, India.
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Chen S, Wang W, Tan HY, Lu Y, Li Z, Qu Y, Wang N, Wang D. Role of Autophagy in the Maintenance of Stemness in Adult Stem Cells: A Disease-Relevant Mechanism of Action. Front Cell Dev Biol 2021; 9:715200. [PMID: 34414192 PMCID: PMC8369482 DOI: 10.3389/fcell.2021.715200] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 07/15/2021] [Indexed: 01/07/2023] Open
Abstract
Autophagy is an intracellular scavenging mechanism induced to eliminate damaged, denatured, or senescent macromolecular substances and organelles in the body. The regulation of autophagy plays essential roles in the processes of cellular homeostasis and senescence. Dysregulated autophagy is a common feature of several human diseases, including cancers and neurodegenerative disorders. The initiation and development of these disorders have been shown to be associated with the maintenance of disease-specific stem cell compartments. In this review, we summarize recent advances in our understanding of the role of autophagy in the maintenance of stemness. Specifically, we focus on the intersection between autophagy and adult stem cells in the initiation and progression of specific diseases. Accordingly, this review highlights the role of autophagy in stemness maintenance from the perspective of disease-associated mechanisms, which may be fundamental to our understanding of the pathogeneses of human diseases and the development of effective therapies.
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Affiliation(s)
- Shanshan Chen
- School of Life Sciences, Jilin University, Changchun, China
| | - Wenqi Wang
- School of Life Sciences, Jilin University, Changchun, China
| | - Hor-Yue Tan
- Centre for Chinese Herbal Medicine Drug Development, School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China
| | - Yuanjun Lu
- School of Chinese Medicine, The University of Hong Kong, Hong Kong, China
| | - Zhiping Li
- School of Life Sciences, Jilin University, Changchun, China
| | - Yidi Qu
- School of Life Sciences, Jilin University, Changchun, China
| | - Ning Wang
- School of Chinese Medicine, The University of Hong Kong, Hong Kong, China
| | - Di Wang
- School of Life Sciences, Jilin University, Changchun, China.,Engineering Research Center of Chinese Ministry of Education for Edible and Medicinal Fungi, Jilin Agricultural University, Changchun, China
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Autophagy Modulators in Cancer: Focus on Cancer Treatment. Life (Basel) 2021; 11:life11080839. [PMID: 34440583 PMCID: PMC8401266 DOI: 10.3390/life11080839] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/11/2021] [Accepted: 08/13/2021] [Indexed: 02/06/2023] Open
Abstract
Uncontrolled autophagy has been associated with the development and progression of various cancers that are resistant to cancer therapy. Therefore, many efforts to modulate uncontrolled autophagy as a cancer treatment have been attempted, from basic science to clinical trials. However, it remains difficult to equally apply autophagy modulators to cancer therapy because autophagy is a double-edged sword in cancer: it can be tumor-suppressive or tumor-protective. Therefore, the precise mechanisms of autophagy modulators and their varied responsiveness to each cancer type should be addressed in detail. This study will describe the precise mechanisms of developing various autophagy modulators, their current therapeutic applications and future perspectives.
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Wang Y, Qin C, Yang G, Zhao B, Wang W. The role of autophagy in pancreatic cancer progression. Biochim Biophys Acta Rev Cancer 2021; 1876:188592. [PMID: 34274449 DOI: 10.1016/j.bbcan.2021.188592] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 07/03/2021] [Accepted: 07/13/2021] [Indexed: 11/24/2022]
Abstract
Patients with pancreatic cancer have an abysmal survival rate. The poor prognosis of pancreatic cancer is due to the difficulty of making an early diagnosis, high rate of metastasis, and frequent chemoresistance. In recent years, as a self-regulatory procedure within cells, the effect and mechanism of autophagy have been explored. Dysregulated autophagy serves as a double-edged sword in cancer development in which autophagy inhibits cancer initiation but promotes cancer progression. After tumor formation, activation of autophagy can induce epithelial-mesenchymal transition, regulate metabolism, specifically glutamine usage and the glycolytic process, and mediate drug resistance in pancreatic cancer. Multiple genes, RNA molecules, proteins, and certain drugs exert antitumor effects by inhibiting autophagy-mediated drug resistance. Several clinical trials have combined autophagy inhibitors with chemotherapeutic drugs in pancreatic cancer treatment, some of which have shown promising results. In conclusion, autophagy plays a vital role in pancreatic cancer progression and deserves further study.
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Affiliation(s)
- Yuanyang Wang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, PR China.
| | - Cheng Qin
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, PR China
| | - Gang Yang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, PR China
| | - Bangbo Zhao
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, PR China
| | - Weibin Wang
- Department of General Surgery, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100730, PR China.
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Alizadeh J, Lorzadeh S, Ghavami S. Autophagy and cancer metastasis: a Trojan horse. J Investig Med 2021; 69:1145-1147. [PMID: 34230170 DOI: 10.1136/jim-2021-002016] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2021] [Indexed: 12/16/2022]
Affiliation(s)
- Javad Alizadeh
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Manitoba, Canada
| | - Shahrokh Lorzadeh
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Manitoba, Canada
| | - Saeid Ghavami
- Department of Human Anatomy and Cell Science, University of Manitoba College of Medicine, Winnipeg, Manitoba, Canada .,Research Institute of Oncology and Hematology, Cancer Care Manitoba-University of Manitoba, Winnipeg, Manitoba, Canada.,Biology of Breathing Theme, Children Hospital Research Institute of Manitoba, University of Manitoba, Winnipeg, Manitoba, Canada
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Garg M. Epithelial Plasticity, Autophagy and Metastasis: Potential Modifiers of the Crosstalk to Overcome Therapeutic Resistance. Stem Cell Rev Rep 2021; 16:503-510. [PMID: 32125607 DOI: 10.1007/s12015-019-09945-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Epithelial-to-mesenchymal transition (EMT) initiates malignant transformation of cancer cells and is responsible for the generation of heterogenic subsets of cancer stem cells (CSCs). Signals in the form of environmental cues and paracrine factors within tumor microenvironment (TME) niche, support the possibility of generation of pool of CSCs with two distinct functional transition states. Cyclic CSCs with predominant epithelial phenotype, self-renew and differentiate into mature cancer cells. Subsets of autophagic/ non-cyclic CSCs with predominant mesenchymal phenotype have capacity to invade, metastasize, resist to apoptosis, escape immunosurveillance, survive chemotherapies and are majorly responsible for cancer mortality. Differences in phenotypic plasticity may form the basis of differential impact of therapeutic outcomes on heterogeneous subpopulations of CSCs. Activation of autophagy is responsible for the recycling of damaged organelles and protein aggregates, regulates EMT, confers the survival advantage to neoplastic cells to anti-cancer therapies, significantly affects the invasive potential of cancer cells and supports their metastatic dissemination in a tissue and tumor stage dependent manner. Therapy resistance is the primary obstacle in the complete ablation of tumor cells. Combinational treatments based on targeting autophagic CSCs and inhibiting EMT regulators may represent potential anticancer strategies for the prevention of cancer invasion, metastatic spread and disease relapse.
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Affiliation(s)
- Minal Garg
- Department of Biochemistry, University of Lucknow, Lucknow, 226007, India.
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Chen XH, Liu J, Zhong JT, Zhou SH, Fan J. Effect of GLUT1 Inhibition and Autophagy Modulation on the Growth and Migration of Laryngeal Carcinoma Stem Cells Under Hypoxic and Low-Glucose Conditions. Onco Targets Ther 2021; 14:3069-3081. [PMID: 34007184 PMCID: PMC8124017 DOI: 10.2147/ott.s300423] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Accepted: 04/23/2021] [Indexed: 11/27/2022] Open
Abstract
Background Enhanced glucose uptake and autophagy are means by which cells adapt to stressful microenvironments. In this study, we investigated the roles of glucose transporter-1 (GLUT-1) and autophagy in laryngeal carcinoma stem cells under hypoxic and low-glucose conditions. Materials and Methods CD133-positive Tu212 laryngeal carcinoma stem cells were purified by magnetic-activated cell sorting and subjected to hypoxic and/or low-glucose conditions. Proliferation was evaluated using a cell-counting kit and a clone-formation assay, and migration capability was measured through a Transwell assay. Autophagy was assessed using transmission electron microscopy. Gene silencing was monitored using shRNA technology and autophagy regulation was manipulated using rapamycin, 3-MA, or chloroquine. Gene expression levels were evaluated by quantitative reverse transcription-polymerase chain reaction and protein levels were assessed via Western blotting. Results Compared to CD133-negative cells, CD133-positive cells showed increased proliferation and migration capabilities, and reduced apoptosis, under hypoxic or low-glucose conditions. CD133-positive cells also showed increased expression of GLUT-1 and autophagy activity. Finally, GLUT-1 knockdown or autophagy inhibition reduced the proliferation and migration of CD133-positive laryngeal carcinoma stem cells. Conclusion Enhanced glucose uptake and autophagy maintain the tumor behaviors of CD133-positive laryngeal carcinoma stem cells under hypoxic and low-glucose conditions.
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Affiliation(s)
- Xiao-Hong Chen
- Department of Otolaryngology, The Second Hospital of Jiaxing (The Second Affiliated Hospital, Jiaxing University), Jiaxing City, Zhejiang Province, 314000, People's Republic of China
| | - Jia Liu
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China
| | - Jiang-Tao Zhong
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China
| | - Shui-Hong Zhou
- Department of Otolaryngology, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China
| | - Jun Fan
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, Zhejiang, 310003, People's Republic of China
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Tang Y, Song G, Liu H, Yang S, Yu X, Shi L. Silencing of Long Non-Coding RNA HOTAIR Alleviates Epithelial-Mesenchymal Transition in Pancreatic Cancer via the Wnt/β-Catenin Signaling Pathway. Cancer Manag Res 2021; 13:3247-3257. [PMID: 33883938 PMCID: PMC8053715 DOI: 10.2147/cmar.s265578] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Accepted: 12/18/2020] [Indexed: 12/20/2022] Open
Abstract
Purpose Pancreatic cancer (PC) is a malignancy with poor prognosis and controversial treatment options. Long non-coding RNA (lncRNA) is a significant factor in the development of PC. In the current study, the possible effects of HOTAIR on the epithelial-mesenchymal transition (EMT) of PC and the related mechanisms were investigated. Methods The PC models were induced by 10 mg/100 g dimethylbenzoanthracene (DMBA) in pancreas. Mice were injected with the HOTAIR mimic and HOTAIR shRNA to determine the role of HOTAIR in PC. Subsequently, the expression of HOTAIR in PC cells was assayed. To determine the mechanism of HOTAIR in PC, human PC cell line PANC-1, Miapaca-2 and human normal pancreatic ductal epithelial cell line HPDE6-C7 were transfected with the HOTAIR mimic, the shRNA against HOTAIR, the Wnt/b-catenin activator (LiCl), and the Wnt/b-catenin inhibitor (XAV939), respectively. Moreover, the expressions of the Wnt/β-catenin signaling pathway-related genes (β-catenin, cyclinD1, c-myc, LEF-1 and c-Jun) and the levels of the EMT markers (E-cadherin, N-cadherin and Vimentin) were determined. Finally, the cell biological processes were evaluated by functional experiments. Results HOTAIR was found to be highly expressed in the PC cells in mice. The expression of β-catenin, cyclinD1, c-myc, LEF-1 and c-Jun, N-cadherin and Vimentin was found to be decreased, while the expression of E-cadherin was found to be increased subsequent to the silencing of HOTAIR in human PC cell lines PANC-1 and Miapaca-2. Additionally, it was observed that the silencing of HOTAIR could inhibit the Wnt/β-catenin signaling pathway to alleviate EMT of tumor cells and inhibit the capacities of cell proliferation, migration, and invasion. Conclusion The key finding of the present study is that the silencing of HOTAIR could potentially inhibit EMT and growth of PC through the Wnt/β-catenin signaling pathway, providing a novel therapy for PC.
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Affiliation(s)
- Yinhua Tang
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Guang Song
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Hongcheng Liu
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Shuang Yang
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Xiaoyi Yu
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
| | - Lijun Shi
- Department of Gastroenterology, The First Affiliated Hospital of Harbin Medical University, Harbin, 150001, People's Republic of China
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Lim SM, Mohamad Hanif EA, Chin SF. Is targeting autophagy mechanism in cancer a good approach? The possible double-edge sword effect. Cell Biosci 2021; 11:56. [PMID: 33743781 PMCID: PMC7981910 DOI: 10.1186/s13578-021-00570-z] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 03/08/2021] [Indexed: 02/07/2023] Open
Abstract
Autophagy is a conserved cellular process required to maintain homeostasis. The hallmark of autophagy is the formation of a phagophore that engulfs cytosolic materials for degradation and recycling to synthesize essential components. Basal autophagy is constitutively active under normal conditions and it could be further induced by physiological stimuli such as hypoxia, nutrient starvation, endoplasmic reticulum stress,energy depletion, hormonal stimulation and pharmacological treatment. In cancer, autophagy is highly context-specific depending on the cell type, tumour microenvironment, disease stage and external stimuli. Recently, the emerging role of autophagy as a double-edged sword in cancer has gained much attention. On one hand, autophagy suppresses malignant transformation by limiting the production of reactive oxygen species and DNA damage during tumour development. Subsequently, autophagy evolved to support the survival of cancer cells and promotes the tumourigenicity of cancer stem cells at established sites. Hence, autophagy is an attractive target for cancer therapeutics and researchers have been exploiting the use of autophagy modulators as adjuvant therapy. In this review, we present a summary of autophagy mechanism and controlling pathways, with emphasis on the dual-role of autophagy (double-edged sword) in cancer. This is followed by an overview of the autophagy modulation for cancer treatment and is concluded by a discussion on the current perspectives and future outlook of autophagy exploitation for precision medicine.
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Affiliation(s)
- Su Min Lim
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, W. Persekutuan, 56000, Kuala Lumpur, Malaysia
| | - Ezanee Azlina Mohamad Hanif
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, W. Persekutuan, 56000, Kuala Lumpur, Malaysia
| | - Siok-Fong Chin
- UKM Medical Molecular Biology Institute (UMBI), Universiti Kebangsaan Malaysia, Jalan Yaacob Latiff, Bandar Tun Razak, Cheras, W. Persekutuan, 56000, Kuala Lumpur, Malaysia.
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Zhang Q, Jiang C, Ren W, Li S, Zheng J, Gao Y, Zhi K, Gao L. Circ-LRP6 mediates epithelial-mesenchymal transition and autophagy in oral squamous cell carcinomas. J Oral Pathol Med 2021; 50:660-667. [PMID: 33501755 DOI: 10.1111/jop.13163] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 01/11/2021] [Accepted: 01/14/2021] [Indexed: 12/27/2022]
Abstract
BACKGROUND Tumor metastasis seriously affects the therapeutic effect and prognosis of cancer patients. Here, we studied the role of has_circ_0000378 (circ-LRP6) in oral squamous cell carcinoma (OSCC) metastasis to explore new ideas and schemes for clinical treatment. METHODS The expressions of circ-LRP6 in OSCC and normal tissues from matched controls were measured by real-time PCR (RT-PCR). Levels of epithelial-mesenchymal transition (EMT) transcription factors, P62 and LC3B, were determined by Western blot analysis and immunofluorescence (IF) assay. Furthermore, we evaluated the effects of circ-LRP6 downregulation on migration, invasion, and autophagy using CCK8, transwell assays, transmission electron microscopy (TEM), and immunofluorescence (IF) assay. RESULTS The expression of circ-LRP6 in OSCC tissues was high. Downregulation of circ-LRP6 reduced the EMT process of SCC-15 cells, as evidenced by increased E-cadherin and decreased vimentin and Zeb1 levels. Downregulation of circ-LRP6 also decreased autophagy as shown by increased levels of P62 and decreased LC3B in SCC-15 cells. Autophagy revulsant rapamycin (RAPA) rescued the inhibitory effect of circ-LRP6 on LC3B, vimentin, and Zeb1. CONCLUSIONS circ-LRP6 promoted EMT and autophagy of OSCC and increased autophagy could rescue EMT in OSCC cells inhibited by circ-LRP6 siRNA.
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Affiliation(s)
- Qian Zhang
- Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China.,School of Stomatology of Qingdao University, Qingdao, China
| | - Chunmiao Jiang
- School of Stomatology of Qingdao University, Qingdao, China.,Department of Orthodontics, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Wenhao Ren
- Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Shaoming Li
- Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China
| | - Jingjing Zheng
- Department of Endodontics, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China.,Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Yuli Gao
- Department of Orthodontics, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Keqian Zhi
- Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China.,Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Ling Gao
- Department of Oral and Maxillofacial Surgery, the Affiliated Hospital of Qingdao University, Qingdao, China.,Key Lab of Oral Clinical Medicine, the Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
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Autophagy augments the self-renewal of lung cancer stem cells by the degradation of ubiquitinated p53. Cell Death Dis 2021; 12:98. [PMID: 33468994 PMCID: PMC7815724 DOI: 10.1038/s41419-021-03392-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/28/2020] [Accepted: 12/30/2020] [Indexed: 12/12/2022]
Abstract
It has been postulated that cancer stem cells (CSCs) are involved in all aspects of human cancer, although the mechanisms governing the regulation of CSC self-renewal in the cancer state remain poorly defined. In the literature, both the pro- and anti-oncogenic activities of autophagy have been demonstrated and are context-dependent. Mounting evidence has shown augmentation of CSC stemness by autophagy, yet mechanistic characterization and understanding are lacking. In the present study, by generating stable human lung CSC cell lines with the wild-type TP53 (A549), as well as cell lines in which TP53 was deleted (H1229), we show, for the first time, that autophagy augments the stemness of lung CSCs by degrading ubiquitinated p53. Furthermore, Zeb1 is required for TP53 regulation of CSC self-renewal. Moreover, TCGA data mining and analysis show that Atg5 and Zeb1 are poor prognostic markers of lung cancer. In summary, this study has elucidated a new CSC-based mechanism underlying the oncogenic activity of autophagy and the tumor suppressor activity of p53 in cancer, i.e., CSCs can exploit the autophagy-p53-Zeb1 axis for self-renewal, oncogenesis, and progression.
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Tao J, Yang G, Zhou W, Qiu J, Chen G, Luo W, Zhao F, You L, Zheng L, Zhang T, Zhao Y. Targeting hypoxic tumor microenvironment in pancreatic cancer. J Hematol Oncol 2021; 14:14. [PMID: 33436044 PMCID: PMC7805044 DOI: 10.1186/s13045-020-01030-w] [Citation(s) in RCA: 201] [Impact Index Per Article: 67.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 12/25/2020] [Indexed: 12/13/2022] Open
Abstract
Attributable to its late diagnosis, early metastasis, and poor prognosis, pancreatic cancer remains one of the most lethal diseases worldwide. Unlike other solid tumors, pancreatic cancer harbors ample stromal cells and abundant extracellular matrix but lacks vascularization, resulting in persistent and severe hypoxia within the tumor. Hypoxic microenvironment has extensive effects on biological behaviors or malignant phenotypes of pancreatic cancer, including metabolic reprogramming, cancer stemness, invasion and metastasis, and pathological angiogenesis, which synergistically contribute to development and therapeutic resistance of pancreatic cancer. Through various mechanisms including but not confined to maintenance of redox homeostasis, activation of autophagy, epigenetic regulation, and those induced by hypoxia-inducible factors, intratumoral hypoxia drives the above biological processes in pancreatic cancer. Recognizing the pivotal roles of hypoxia in pancreatic cancer progression and therapies, hypoxia-based antitumoral strategies have been continuously developed over the recent years, some of which have been applied in clinical trials to evaluate their efficacy and safety in combinatory therapies for patients with pancreatic cancer. In this review, we discuss the molecular mechanisms underlying hypoxia-induced aggressive and therapeutically resistant phenotypes in both pancreatic cancerous and stromal cells. Additionally, we focus more on innovative therapies targeting the tumor hypoxic microenvironment itself, which hold great potential to overcome the resistance to chemotherapy and radiotherapy and to enhance antitumor efficacy and reduce toxicity to normal tissues.
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Affiliation(s)
- Jinxin Tao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Gang Yang
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Wenchuan Zhou
- Department of Ophthalmology, Xinhua Hospital Affiliated to Shanghai JiaoTong University School of Medicine, Shanghai, 200092, China
| | - Jiangdong Qiu
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Guangyu Chen
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Wenhao Luo
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Fangyu Zhao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Lei You
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China
| | - Lianfang Zheng
- Department of Nuclear Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China
| | - Taiping Zhang
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China. .,Clinical Immunology Center, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100730, China.
| | - Yupei Zhao
- Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, No. 1 Shuaifuyuan, Wangfujing Street, Beijing, 100730, China.
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Exosomes: Their Role in Pathogenesis, Diagnosis and Treatment of Diseases. Cancers (Basel) 2020; 13:cancers13010084. [PMID: 33396739 PMCID: PMC7795854 DOI: 10.3390/cancers13010084] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 12/18/2020] [Accepted: 12/24/2020] [Indexed: 02/07/2023] Open
Abstract
Simple Summary The aim of this review is to provide an overview of the current scientific evidence concerning the role played by exosomes in the pathogenesis, diagnosis and treatment of diseases. The potential use of exosomes as delivery vectors for small-molecule therapeutic agents will be discussed. In addition, a special emphasis will be placed on the involvement of exosomes in oncological diseases, as well as to their potential therapeutic application as liquid biopsy tools mainly in cancer diagnosis. A better understanding of exosome biology could improve the results of clinical interventions using exosomes as therapeutic agents. Abstract Exosomes are lipid bilayer particles released from cells into their surrounding environment. These vesicles are mediators of near and long-distance intercellular communication and affect various aspects of cell biology. In addition to their biological function, they play an increasingly important role both in diagnosis and as therapeutic agents. In this paper, we review recent literature related to the molecular composition of exosomes, paying special attention to their role in pathogenesis, along with their application as biomarkers and as therapeutic tools. In this context, we analyze the potential use of exosomes in biomedicine, as well as the limitations that preclude their wider application.
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Zheng HC, Zhao S, Xue H, Zhao EH, Jiang HM, Hao CL. The Roles of Beclin 1 Expression in Gastric Cancer: A Marker for Carcinogenesis, Aggressive Behaviors and Favorable Prognosis, and a Target of Gene Therapy. Front Oncol 2020; 10:613679. [PMID: 33425768 PMCID: PMC7787063 DOI: 10.3389/fonc.2020.613679] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Accepted: 11/17/2020] [Indexed: 12/21/2022] Open
Abstract
Beclin 1 is encoded by Becn1, and plays a role in tumorigenesis, neurodegeneration, apoptosis and autophagy. Here, the aggressive phenotypes and relevant proteins were examined after Beclin 1 expression was altered in gastric cancer cells. We also observed the effects of Beclin 1 on gastric carcinogenesis using Becn1 knockout mice. Finally, clinicopathological significances of Beclin 1 expression were analyzed using meta- and bioinformatics analyses. Becn1 overexpression was found to inhibit proliferation, glucose metabolism, migration and invasion of gastric cancer cells, whereas its knockdown caused the opposite effects. Beclin 1 suppressed the tumor growth by decreasing proliferation and increasing apoptosis. The heterozygous abrogation of Becn1 in gastric pit, parietal and chief cells could not cause any epithelial lesion. Beclin 1-mediated chemoresistance was closely linked to the autophagy, Bax underexpression, and the overexpression of Bcl-2, LRP1, MDR1, and ING5. Bioinformatics analysis showed higher Becn1 mRNA expression in intestinal- than diffuse-type carcinomas (P<0.05), and in male than female gastric cancer patients (P<0.05). Becn1 hyperexpression was positively associated with both overall and progression-free survival rates of the cancer patients (P<0.05). Meta-analysis showed that down-regulated Beclin 1 expression in gastric cancer was positively with lymph node metastasis, TNM staging, dedifferentiation and poor prognosis (P<0.05). Becn1-related signal pathways in gastric cancer included prostate, lung, renal, colorectal, endometrial and thyroid cancers, glioma, and leukemia, the metabolism of amino acid, lipid and sugar, and some signal pathways of insulin, MAPK, TRL, VEGF, JAK-STAT, chemokine, p53, lysosome, peroxidome and ubiquitin-mediated protein degradation (P<0.05). These suggested that Beclin 1 might be considered as a potential marker of gastric carcinogenesis, aggressiveness and prognostic prediction, and as a target of gene therapy in gastric cancer.
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Affiliation(s)
- Hua-Chuan Zheng
- Department of Oncology and Experimental Center, The Affiliated Hospital of Chengde Medical University, Chengde, China
| | - Shuang Zhao
- Department of Oncology and Experimental Center, The Affiliated Hospital of Chengde Medical University, Chengde, China
| | - Hang Xue
- Department of Oncology and Experimental Center, The Affiliated Hospital of Chengde Medical University, Chengde, China
| | - En-Hong Zhao
- Department of Surgery, The Affiliated Hospital of Chengde Medical University, Chengde, China
| | - Hua-Mao Jiang
- Department of Urology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou, China
| | - Chang-Lai Hao
- Department of Hematology, The Affiliated Hospital of Chengde Medical University, Chengde, China
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Bader SB, Dewhirst MW, Hammond EM. Cyclic Hypoxia: An Update on Its Characteristics, Methods to Measure It and Biological Implications in Cancer. Cancers (Basel) 2020; 13:E23. [PMID: 33374581 PMCID: PMC7793090 DOI: 10.3390/cancers13010023] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023] Open
Abstract
Regions of hypoxia occur in most if not all solid cancers. Although the presence of tumor hypoxia is a common occurrence, the levels of hypoxia and proportion of the tumor that are hypoxic vary significantly. Importantly, even within tumors, oxygen levels fluctuate due to changes in red blood cell flux, vascular remodeling and thermoregulation. Together, this leads to cyclic or intermittent hypoxia. Tumor hypoxia predicts for poor patient outcome, in part due to increased resistance to all standard therapies. However, it is less clear how cyclic hypoxia impacts therapy response. Here, we discuss the causes of cyclic hypoxia and, importantly, which imaging modalities are best suited to detecting cyclic vs. chronic hypoxia. In addition, we provide a comparison of the biological response to chronic and cyclic hypoxia, including how the levels of reactive oxygen species and HIF-1 are likely impacted. Together, we highlight the importance of remembering that tumor hypoxia is not a static condition and that the fluctuations in oxygen levels have significant biological consequences.
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Affiliation(s)
- Samuel B. Bader
- Department of Oncology, The Oxford Institute for Radiation Oncology, Oxford University, Oxford OX3 7DQ, UK;
| | - Mark W. Dewhirst
- Radiation Oncology Department, Duke University School of Medicine, Durham, NC 27710, USA
| | - Ester M. Hammond
- Department of Oncology, The Oxford Institute for Radiation Oncology, Oxford University, Oxford OX3 7DQ, UK;
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Babaei G, Aziz SGG, Jaghi NZZ. EMT, cancer stem cells and autophagy; The three main axes of metastasis. Biomed Pharmacother 2020; 133:110909. [PMID: 33227701 DOI: 10.1016/j.biopha.2020.110909] [Citation(s) in RCA: 244] [Impact Index Per Article: 61.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Revised: 09/29/2020] [Accepted: 10/17/2020] [Indexed: 02/07/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) and Cancer stem-like cells (CSCs) are major factors contributing to the metastasis of cancer cells. Consequently, the signaling pathways involved in both processes are appropriate therapeutic targets in the treatment of metastasis. Autophagy is another process that has recently attracted the attention of many researchers; depending on the type of cancer and tissue and the stage of cancer, this process can play a dual role in the development of cancer cells. Studies on cancer cells have shown that different signaling pathways are involved in all three processes, namely, cancer stem cells, autophagy, and EMT. The purpose of this study was to investigate and elucidate the relationship between the effective signaling pathways in all three processes, which could play an effective role in determining appropriate therapeutic goals.
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Affiliation(s)
- Ghader Babaei
- Department of Biochemistry, Faculty of Medicine, Urmia University Medical Sciences (UMSU), Urmia, Iran; Student Research Committee, Urmia University of Medical Sciences, Urmia, Iran.
| | | | - Nasrin Zare Zavieyh Jaghi
- Department of Biochemistry, Faculty of Medicine, Urmia University Medical Sciences (UMSU), Urmia, Iran
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Coelho BP, Fernandes CFDL, Boccacino JM, Souza MCDS, Melo-Escobar MI, Alves RN, Prado MB, Iglesia RP, Cangiano G, Mazzaro GLR, Lopes MH. Multifaceted WNT Signaling at the Crossroads Between Epithelial-Mesenchymal Transition and Autophagy in Glioblastoma. Front Oncol 2020; 10:597743. [PMID: 33312955 PMCID: PMC7706883 DOI: 10.3389/fonc.2020.597743] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 10/19/2020] [Indexed: 12/17/2022] Open
Abstract
Tumor cells can employ epithelial-mesenchymal transition (EMT) or autophagy in reaction to microenvironmental stress. Importantly, EMT and autophagy negatively regulate each other, are able to interconvert, and both have been shown to contribute to drug-resistance in glioblastoma (GBM). EMT has been considered one of the mechanisms that confer invasive properties to GBM cells. Autophagy, on the other hand, may show dual roles as either a GBM-promoter or GBM-suppressor, depending on microenvironmental cues. The Wingless (WNT) signaling pathway regulates a plethora of developmental and biological processes such as cellular proliferation, adhesion and motility. As such, GBM demonstrates deregulation of WNT signaling in favor of tumor initiation, proliferation and invasion. In EMT, WNT signaling promotes induction and stabilization of different EMT activators. WNT activity also represses autophagy, while nutrient deprivation induces β-catenin degradation via autophagic machinery. Due to the importance of the WNT pathway to GBM, and the role of WNT signaling in EMT and autophagy, in this review we highlight the effects of the WNT signaling in the regulation of both processes in GBM, and discuss how the crosstalk between EMT and autophagy may ultimately affect tumor biology.
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Affiliation(s)
- Bárbara Paranhos Coelho
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Camila Felix de Lima Fernandes
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Jacqueline Marcia Boccacino
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Maria Clara da Silva Souza
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Maria Isabel Melo-Escobar
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Rodrigo Nunes Alves
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Mariana Brandão Prado
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Rebeca Piatniczka Iglesia
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Giovanni Cangiano
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Giulia La Rocca Mazzaro
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
| | - Marilene Hohmuth Lopes
- Laboratory of Neurobiology and Stem Cells, Institute of Biomedical Sciences, Department of Cell and Developmental Biology, University of São Paulo, São Paulo, Brazil
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Saxena K, Jolly MK, Balamurugan K. Hypoxia, partial EMT and collective migration: Emerging culprits in metastasis. Transl Oncol 2020; 13:100845. [PMID: 32781367 PMCID: PMC7419667 DOI: 10.1016/j.tranon.2020.100845] [Citation(s) in RCA: 115] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 07/12/2020] [Accepted: 07/27/2020] [Indexed: 02/07/2023] Open
Abstract
Epithelial-mesenchymal transition (EMT) is a cellular biological process involved in migration of primary cancer cells to secondary sites facilitating metastasis. Besides, EMT also confers properties such as stemness, drug resistance and immune evasion which can aid a successful colonization at the distant site. EMT is not a binary process; recent evidence suggests that cells in partial EMT or hybrid E/M phenotype(s) can have enhanced stemness and drug resistance as compared to those undergoing a complete EMT. Moreover, partial EMT enables collective migration of cells as clusters of circulating tumor cells or emboli, further endorsing that cells in hybrid E/M phenotypes may be the 'fittest' for metastasis. Here, we review mechanisms and implications of hybrid E/M phenotypes, including their reported association with hypoxia. Hypoxia-driven activation of HIF-1α can drive EMT. In addition, cyclic hypoxia, as compared to acute or chronic hypoxia, shows the highest levels of active HIF-1α and can augment cancer aggressiveness to a greater extent, including enriching for a partial EMT phenotype. We also discuss how metastasis is influenced by hypoxia, partial EMT and collective cell migration, and call for a better understanding of interconnections among these mechanisms. We discuss the known regulators of hypoxia, hybrid EMT and collective cell migration and highlight the gaps which needs to be filled for connecting these three axes which will increase our understanding of dynamics of metastasis and help control it more effectively.
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Affiliation(s)
- Kritika Saxena
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India
| | - Mohit Kumar Jolly
- Centre for BioSystems Science and Engineering, Indian Institute of Science, Bangalore 560012, India.
| | - Kuppusamy Balamurugan
- Laboratory of Cell and Developmental Signaling, Center for Cancer Research, National Cancer Institute, Frederick, MD 21702, USA.
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Xu W, Yu M, Qin J, Luo Y, Zhong M. LACTB Regulates PIK3R3 to Promote Autophagy and Inhibit EMT and Proliferation Through the PI3K/AKT/mTOR Signaling Pathway in Colorectal Cancer. Cancer Manag Res 2020; 12:5181-5200. [PMID: 32636680 PMCID: PMC7335311 DOI: 10.2147/cmar.s250661] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 05/30/2020] [Indexed: 12/17/2022] Open
Abstract
Background Colorectal cancer (CRC) is one of the most common aggressive malignancies. LACTB functions as a tumor suppressor, and previous findings have demonstrated that LACTB can inhibit epithelial-to-mesenchymal transition (EMT) and proliferation of breast cancer and CRC cells. However, few studies have investigated the roles of LACTB in autophagy and proliferation in CRC. The current study aimed to identify the roles of LACTB in EMT and proliferation associated with autophagy in CRC and to elucidate the probable molecular mechanisms through which LACTB are involved in these processes. Materials and Methods Transwell invasion, MTT, transmission electron microscopy, RNA-seq, immunoprecipitation, immunohistochemistry and Western blotting assays were performed to evaluate the migratory, invasive, proliferative and autophagic abilities of CRC cells, and the levels of active molecules involved in PI3K/AKT signaling were examined through Western blotting analysis. In addition, the in vivo function of LACTB was assessed using a tumor xenograft model. Results Weaker LACTB expression was found in CRC tissue samples than in nonmalignant tissue samples, and LACTB inhibited cell invasion, migration, and proliferation by promoting autophagy in vitro. Furthermore, the regulatory effects of LACTB on autophagy and EMT were partially attributed to the PI3K/AKT signaling pathway. The in vivo results also showed that LACTB modulated CRC tumorigenesis. Conclusion LACTB can regulate the activity of PIK3R3 to influence the level of PI3K, and it also promotes autophagy and inhibits EMT and proliferation in part through the PI3K/AKT/mTOR signaling pathway.
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Affiliation(s)
- Wei Xu
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, People's Republic of China
| | - Minhao Yu
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, People's Republic of China
| | - Jun Qin
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, People's Republic of China
| | - Yang Luo
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, People's Republic of China
| | - Ming Zhong
- Department of Gastrointestinal Surgery, Renji Hospital, School of Medicine, Shanghai Jiaotong University, Shanghai 200127, People's Republic of China
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