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Liu X, Guo R, Li D, Wang Y, Ning J, Yang S, Yang J. Homotypic cell-in-cell structure as a novel prognostic predictor in non-small cell lung cancer and frequently localized at the invasive front. Sci Rep 2024; 14:18952. [PMID: 39147858 PMCID: PMC11327305 DOI: 10.1038/s41598-024-69833-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2024] [Accepted: 08/09/2024] [Indexed: 08/17/2024] Open
Abstract
Homotypic cell-in-cell structures (hoCICs) are associated with tumor proliferation, invasion, and metastasis and is considered a promising prognostic marker in various cancers. However, the role of hoCICs in non-small cell lung cancer (NSCLC) remains unclear. Tumor tissue sections were obtained from 411 NSCLC patients. We analyzed the relationship between clinicopathological variables and the number of hoCICs. LASSO and multivariate Cox regression analysis were employed to identify prognostic factors for NSCLC. The impact of hoCICs on overall survival (OS) and disease-free survival (DFS) was assessed using the Kaplan-Meier curves and log-rank test. Prognostic models for OS and DFS were developed and validated using the C-index, time-dependent area under the curve (AUC), net reclassification improvement (NRI), integrated discrimination improvement (IDI), calibration curves and decision curve analysis (DCA). Among the cohort, 56% of patients had hoCICs while 44% did not. Notably, hoCICs were primarily found at the tumor invasion front. Male gender, smoking, squamous cell carcinoma, low differentiation, tumor size ≥ 3 cm, advanced TNM stage, lymph node metastasis, pleural invasion, vascular invasion, necrosis, P53 mutation, and high expression of Ki-67 were identified as relative risk factors for hoCICs. Furthermore, hoCICs was found to be a significant prognostic factor for both OS and DFS, with higher frequencies of hoCICs correlating with poorer outcomes. We constructed nomograms for predicting 1-, 3-, and 5-year OS and DFS based on hoCICs, and the calibration curves showed good agreement between the predicted and actual outcomes. The results of the C-index, time-dependent AUC, NRI, IDI, and DCA analyses demonstrated that incorporating hoCICs into the prognostic model significantly enhanced its predictive power and clinical applicability. HoCICs indicated independent perdictive value for OS and DFS in patients with NSCLC. Furthermore, the frequent localization of hoCICs at the tumor invasion front suggested a strong association between hoCICs and tumor invasion as well as metastasis.
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Affiliation(s)
- Xiaona Liu
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China
| | - Rui Guo
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China
| | - Dongxuan Li
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China
| | - Ya'nan Wang
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China
| | - Jingya Ning
- Department of Respiratory Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China
| | - Shuanying Yang
- Department of Respiratory Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China.
| | - Jun Yang
- Department of Pathology, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, ShaanXi, China.
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2
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Kim S, Lee D, Kim SE, Overholtzer M. Entosis: the core mechanism and crosstalk with other cell death programs. Exp Mol Med 2024; 56:870-876. [PMID: 38565900 PMCID: PMC11059358 DOI: 10.1038/s12276-024-01227-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2023] [Accepted: 01/30/2024] [Indexed: 04/04/2024] Open
Abstract
Cell death pathways play critical roles in organism development and homeostasis as well as in the pathogenesis of various diseases. While studies over the last decade have elucidated numerous different forms of cell death that can eliminate cells in various contexts, how certain mechanisms impact physiology is still not well understood. Moreover, recent studies have shown that multiple forms cell death can occur in a cell population, with different forms of death eliminating individual cells. Here, we aim to describe the known molecular mechanisms of entosis, a non-apoptotic cell engulfment process, and discuss signaling mechanisms that control its induction as well as its possible crosstalk with other cell death mechanisms.
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Affiliation(s)
- Sunghoon Kim
- Department of Biosystems and Biomedical Sciences, College of Health Sciences, Korea University, Seoul, Republic of Korea
- Department of Integrated Biomedical and Life Sciences, College of Health Sciences, Korea University, Seoul, Republic of Korea
- L-HOPE Program for Community-Based Total Learning Health Systems, Seoul, Republic of Korea
| | - Donghyuk Lee
- Department of Pharmacology and Brain Korea 21 Project for Medical Science, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sung Eun Kim
- Department of Biosystems and Biomedical Sciences, College of Health Sciences, Korea University, Seoul, Republic of Korea.
- Department of Integrated Biomedical and Life Sciences, College of Health Sciences, Korea University, Seoul, Republic of Korea.
- L-HOPE Program for Community-Based Total Learning Health Systems, Seoul, Republic of Korea.
| | - Michael Overholtzer
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY, USA.
- Louis V. Gerstner, Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
- BCMB Allied Program, Weill Cornell Medical College, New York, NY, USA.
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3
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Gaptulbarova KА, Tsydenova IA, Dolgasheva DS, Kravtsova EA, Ibragimova MK, Vtorushin SV, Litviakov NV. Mechanisms and significance of entosis for tumour growth and progression. Cell Death Discov 2024; 10:109. [PMID: 38429285 PMCID: PMC10907354 DOI: 10.1038/s41420-024-01877-9] [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: 10/26/2023] [Revised: 02/08/2024] [Accepted: 02/19/2024] [Indexed: 03/03/2024] Open
Abstract
To date, numerous mechanisms have been identified in which one cell engulfs another, resulting in the creation of 'cell-in-cell' (CIC) structures, which subsequently cause cell death. One of the mechanisms of formation of these structures is entosis, which is presumably associated with possible carcinogenesis and tumour progression. The peculiarity of the process is that entotic cells themselves actively invade the host cell, and afterwards have several possible variants of fate. Entotic formations are structures where one cell is engulfed by another cell, creating a cell-in-cell structure. The nucleus of the outer cell has a crescent shape, while the inner cell is surrounded by a large entotic vacuole. These characteristics differentiate entosis from cell cannibalism. It's worth noting that entotic formations are not necessarily harmful and may even be beneficial in some cases. In this article we will consider the mechanism of entosis and variants of entotic cell death, and also put forward hypothesis about possible variants of participation of this process on the formation and progression of cancer. This article also presents our proposed classification of functional forms of entosis.
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Affiliation(s)
- Ksenia Аndreevna Gaptulbarova
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia.
- Siberian State Medical University, Moskovsky trakt, 2, 634050, Tomsk, Russia.
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia.
| | - Irina Alexandrovna Tsydenova
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia
| | - Daria Sergeevna Dolgasheva
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia
| | - Ekaterina Andreevna Kravtsova
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia
| | - Marina Konstantinovna Ibragimova
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- Siberian State Medical University, Moskovsky trakt, 2, 634050, Tomsk, Russia
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia
| | - Sergey Vladimirovich Vtorushin
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- Siberian State Medical University, Moskovsky trakt, 2, 634050, Tomsk, Russia
| | - Nikolai Vasilievich Litviakov
- Cancer Research Institute "Tomsk National Research Medical Centre of the Russian Academy of Sciences", Kooperativniy Lane, 5, 634009, Tomsk, Russia
- Siberian State Medical University, Moskovsky trakt, 2, 634050, Tomsk, Russia
- National Research Tomsk State University, Lenin Avenue 36, 634050, Tomsk, Russia
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4
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Wu Z, Liu Q, Zhao Y, Fang C, Zheng W, Zhao Z, Zhang N, Yang X. Rhogef17: A novel target for endothelial barrier function. Biomed Pharmacother 2024; 170:115983. [PMID: 38134633 DOI: 10.1016/j.biopha.2023.115983] [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: 10/18/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 12/24/2023] Open
Abstract
ARHGEF17 encodes the protein RhoGEF17, which is highly expressed in vascular endothelial cells. It is a guanine nucleotide exchange factor (GEF) that accelerates the exchange of GDP with GTP on many small GTPases through its Dbl homology (DH) domain, enabling the activation of Rho-GTPases such as RhoA, RhoB, and RhoC. Rho GTPase-regulated changes in the actin cytoskeleton and cell adhesion kinetics are the main mechanisms mediating many endothelial cell (EC) alterations, including cell morphology, migration, and division changes, which profoundly affect EC barrier function. This review focuses on ARHGEF17 expression, activation and biological functions in ECs, linking its regulation of cellular morphology, migration, mitosis and other cellular behaviors to disease onset and progression. Understanding ARHGEF17 mechanisms of action will contribute to the design of therapeutic approaches targeting RhoGEF17, a potential drug target for the treatment of various endothelium-related diseases, Such as vascular inflammation, carcinogenesis and transendothelial metastasis of tumors.
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Affiliation(s)
- Zhuolin Wu
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China
| | - Quanlei Liu
- Department of Neurosurgery, Capital Medical University, Xuanwu Hospital, Beijing, China
| | - Yan Zhao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China
| | | | - Wen Zheng
- Zhejiang University of Technology, Hangzhou, Zhejiang, China
| | - Zilin Zhao
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China
| | - Nai Zhang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China
| | - Xinyu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, China; Tianjin Neurological Institute, Key Laboratory of Post-Neuroinjury Neuro-Repair and Regeneration in Central Nervous System, Ministry of Education and Tianjin City, Tianjin Medical University General Hospital, Tianjin, China.
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5
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Okuyama K, Fukushima H, Naruse T, Yanamoto S. Cell-in-cell structure in cancer: evading strategies from anti-cancer therapies. Front Oncol 2023; 13:1248097. [PMID: 37790755 PMCID: PMC10544585 DOI: 10.3389/fonc.2023.1248097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 08/28/2023] [Indexed: 10/05/2023] Open
Abstract
One of the regulated forms of cell death is the cell-in-cell (CIC) structure, in which a surviving cell is engulfed by another cell, a mechanism that causes the death of the engulfed cell by an adjacent cell. Several investigators have previously shown that the presence of CICs is an independent risk factor significantly associated with decreased survival in patients with various types of cancer. In this review, we summarize the role of CIC in the tumor microenvironment (TME), including changes and crosstalk of molecules and proteins in the surrounding CIC, and the role of these factors in contributing to therapeutic resistance acquisition. Moreover, CIC structure formation is influenced by the modulation of TME, which may lead to changes in cellular properties. Future use of CIC as a clinical diagnostic tool will require a better understanding of the effects of chemotherapy on CIC, biomarkers for each CIC formation process, and the development of automated CIC detection methods in tissue sections of tumor specimens.
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Affiliation(s)
- Kohei Okuyama
- Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, MI, United States
- Rogel Cancer Center, University of Michigan, Ann Arbor, MI, United States
- Department of Oral and Maxillofacial Surgical Oncology, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo, Japan
| | - Hiromasa Fukushima
- Department of Clinical Oral Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Tomofumi Naruse
- Department of Clinical Oral Oncology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki, Japan
| | - Souichi Yanamoto
- Department of Oral Oncology, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
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6
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Liu X, Yang J. Cell-in-cell: a potential biomarker of prognosis and a novel mechanism of drug resistance in cancer. Front Oncol 2023; 13:1242725. [PMID: 37637068 PMCID: PMC10449025 DOI: 10.3389/fonc.2023.1242725] [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: 06/19/2023] [Accepted: 07/24/2023] [Indexed: 08/29/2023] Open
Abstract
The cell-in-cell (CIC) phenomenon has received increasing attention over recent years because of its wide existence in multiple cancer tissues. The mechanism of CIC formation is considerably complex as it involves interactions between two cells. Although the molecular mechanisms of CIC formation have been extensively investigated, the process of CIC formation remains ambiguous. Currently, CIC is classified into four subtypes based on different cell types and inducing factors, and the underlying mechanisms for each subtype are distinct. Here, we investigated the subtypes of CIC and their major mechanisms involved in cancer development. To determine the clinical significance of CIC, we reviewed several clinical studies on CIC and found that CIC could serve as a diagnostic and prognostic biomarker. The implications of CIC on the clinical management of cancers also remain largely unknown. To clarify this aspect, in the present review, we highlight the findings of recent investigations on the causal link between CIC and cancer treatment. We also indicate the existing issues that need to be resolved urgently to provide a potential direction for future research on CIC.
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Affiliation(s)
| | - Jun Yang
- Department of Pathology, The Second Affiliated Hospital, Xi’an Jiao Tong University, Xi’an, Shaanxi, China
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7
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Druzhkova I, Ignatova N, Shirmanova M. Cell-in-Cell Structures in Gastrointestinal Tumors: Biological Relevance and Clinical Applications. J Pers Med 2023; 13:1149. [DOI: https:/doi.org/10.3390/jpm13071149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/30/2023] Open
Abstract
This review summarizes information about cell-in-cell (CIC) structures with a focus on gastrointestinal tumors. The phenomenon when one cell lives in another one has attracted an attention of researchers over the past decades. We briefly discuss types of CIC structures and mechanisms of its formation, as well as the biological basis and consequences of the cell-engulfing process. Numerous clinico-histopathological studies demonstrate the significance of these structures as prognostic factors, mainly correlated with negative prognosis. The presence of CIC structures has been identified in all gastrointestinal tumors. However, the majority of studies concern pancreatic cancer. In this field, in addition to the assessment of the prognostic markers, the attempts to manipulate the ability of cells to form CISs have been done in order to stimulate the death of the inner cell. Number of CIC structures also correlates with genetic features for some gastrointestinal tu-mors. The role of CIC structures in the responses of tumors to therapies, both chemotherapy and immunotherapy, seems to be the most poorly studied. However, there is some evidence of involvement of CIC structures in treatment failure. Here, we summarized the current literature on CIC structures in cancer with a focus on gastrointestinal tumors and specified future perspectives for investigation.
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Affiliation(s)
- Irina Druzhkova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
| | - Nadezhda Ignatova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
| | - Marina Shirmanova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
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8
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Druzhkova I, Ignatova N, Shirmanova M. Cell-in-Cell Structures in Gastrointestinal Tumors: Biological Relevance and Clinical Applications. J Pers Med 2023; 13:1149. [PMID: 37511762 PMCID: PMC10381133 DOI: 10.3390/jpm13071149] [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: 06/21/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
This review summarizes information about cell-in-cell (CIC) structures with a focus on gastrointestinal tumors. The phenomenon when one cell lives in another one has attracted an attention of researchers over the past decades. We briefly discuss types of CIC structures and mechanisms of its formation, as well as the biological basis and consequences of the cell-engulfing process. Numerous clinico-histopathological studies demonstrate the significance of these structures as prognostic factors, mainly correlated with negative prognosis. The presence of CIC structures has been identified in all gastrointestinal tumors. However, the majority of studies concern pancreatic cancer. In this field, in addition to the assessment of the prognostic markers, the attempts to manipulate the ability of cells to form CISs have been done in order to stimulate the death of the inner cell. Number of CIC structures also correlates with genetic features for some gastrointestinal tu-mors. The role of CIC structures in the responses of tumors to therapies, both chemotherapy and immunotherapy, seems to be the most poorly studied. However, there is some evidence of involvement of CIC structures in treatment failure. Here, we summarized the current literature on CIC structures in cancer with a focus on gastrointestinal tumors and specified future perspectives for investigation.
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Affiliation(s)
- Irina Druzhkova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
| | - Nadezhda Ignatova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
| | - Marina Shirmanova
- Research Institute of Experimental Oncology and Biomedical Technologies, Privolzhsky Research Medical University, 603005 Nizhny Novgorod, Russia
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Lee AR, Park CY. Orai1 is an Entotic Ca 2+ Channel for Non-Apoptotic Cell Death, Entosis in Cancer Development. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2205913. [PMID: 36960682 DOI: 10.1002/advs.202205913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 02/16/2023] [Indexed: 05/18/2023]
Abstract
Entosis is a non-apoptotic cell death process that forms characteristic cell-in-cell structures in cancers, killing invading cells. Intracellular Ca2+ dynamics are essential for cellular processes, including actomyosin contractility, migration, and autophagy. However, the significance of Ca2+ and Ca2+ channels participating in entosis is unclear. Here, it is shown that intracellular Ca2+ signaling regulates entosis via SEPTIN-Orai1-Ca2+ /CaM-MLCK-actomyosin axis. Intracellular Ca2+ oscillations in entotic cells show spatiotemporal variations during engulfment, mediated by Orai1 Ca2+ channels in plasma membranes. SEPTIN controlled polarized distribution of Orai1 for local MLCK activation, resulting in MLC phosphorylation and actomyosin contraction, leads to internalization of invasive cells. Ca2+ chelators and SEPTIN, Orai1, and MLCK inhibitors suppress entosis. This study identifies potential targets for treating entosis-associated tumors, showing that Orai1 is an entotic Ca2+ channel that provides essential Ca2+ signaling and sheds light on the molecular mechanism underlying entosis that involves SEPTIN filaments, Orai1, and MLCK.
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Affiliation(s)
- Ah Reum Lee
- Department of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
| | - Chan Young Park
- Department of Biological Sciences, Ulsan National Institute of Science and Technology, Ulsan, 44919, Republic of Korea
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10
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Leak L, Dixon SJ. Surveying the landscape of emerging and understudied cell death mechanisms. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119432. [PMID: 36690038 PMCID: PMC9969746 DOI: 10.1016/j.bbamcr.2023.119432] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2022] [Revised: 01/09/2023] [Accepted: 01/15/2023] [Indexed: 01/22/2023]
Abstract
Cell death can be a highly regulated process. A large and growing number of mammalian cell death mechanisms have been described over the past few decades. Major pathways with established roles in normal or disease biology include apoptosis, necroptosis, pyroptosis and ferroptosis. However, additional non-apoptotic cell death mechanisms with unique morphological, genetic, and biochemical features have also been described. These mechanisms may play highly specialized physiological roles or only become activated in response to specific lethal stimuli or conditions. Understanding the nature of these emerging and understudied mechanisms may provide new insight into cell death biology and suggest new treatments for diseases such as cancer and neurodegeneration.
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Affiliation(s)
- Logan Leak
- Department of Biology, Stanford University, Stanford, CA 94305, USA
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA 94305, USA.
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Urban N, Leonhardt M, Schaefer M. Multiplex G Protein-Coupled Receptor Screen Reveals Reliably Acting Agonists and a Gq-Phospholipase C Coupling Mode of GPR30/GPER1. Mol Pharmacol 2023; 103:48-62. [PMID: 36400433 DOI: 10.1124/molpharm.122.000580] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 10/21/2022] [Accepted: 10/27/2022] [Indexed: 11/21/2022] Open
Abstract
G protein-coupled receptors (GPCRs) constitute the most versatile family of pharmacological target proteins. For some "orphan" GPCRs, no ligand or drug-like modulator is known. In this study, we have established and applied a parallelized assay to coscreen 29 different human GPCRs. Three compounds, chlorhexidine, Lys-05, and 9-aminoacridine, triggered transient Ca2+ signals linked to the expression of GPR30. GPR30, also named G protein-coupled estrogen receptor 1 (GPER1), was reported to elicit increases in cAMP in response to 17β-estradiol, 4-hydroxytamoxifen, or G-1. These findings could, however, not be reproduced by other groups, and the deorphanization of GPR30 is, therefore, intensely disputed. The unbiased screen and following experiments in transiently or stably GPR30-overexpressing HEK293 cells did not show responses to 17β-estradiol, 4-hydroxytamoxifen, or G-1. A thorough analysis of the activated signaling cascade revealed a canonical Gq-coupled pathway, including phospholipase C, protein kinase C and ERK activation, receptor internalization, and sensitivity to the Gq inhibitor YM-254890. When expressed in different cell lines, the localization of a fluorescent GPR30 fusion protein appeared variable. An efficient integration into the plasma membrane and stronger functional responses were found in HEK293 and in MCF-7 cells, whereas GPR30 appeared mostly retained in endomembrane compartments in Cos-7 or HeLa cells. Thus, conflicting findings may result from the use of different cell lines. The newly identified agonists and the finding that GPR30 couples to Gq are expected to serve as a starting point for identifying physiologic responses that are controlled by this GPCR. SIGNIFICANCE STATEMENT: This study has identified and thoroughly characterized novel and reliably acting agonists of the G protein-coupled receptor GPER1/GPR30. Applying these agonists, this study demonstrates that GPR30 couples to the canonical Gq-phospholipase C pathway and is rapidly internalized upon continuous exposure to the agonists.
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Affiliation(s)
- Nicole Urban
- Medical Faculty, Rudolf-Boehm-Institute of Pharmacology and Toxicology, Leipzig University, Leipzig, Germany
| | - Marion Leonhardt
- Medical Faculty, Rudolf-Boehm-Institute of Pharmacology and Toxicology, Leipzig University, Leipzig, Germany
| | - Michael Schaefer
- Medical Faculty, Rudolf-Boehm-Institute of Pharmacology and Toxicology, Leipzig University, Leipzig, Germany
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Cell-in-Cell: From Cell Biology to Translational Medicine. BIOMED RESEARCH INTERNATIONAL 2022; 2022:7608521. [PMID: 36158876 PMCID: PMC9492417 DOI: 10.1155/2022/7608521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 07/26/2022] [Accepted: 08/21/2022] [Indexed: 11/18/2022]
Abstract
Cell-in-cell structures (CICs) refer to cytoplasmic internalization of a cell by another cell, which are found throughout various biological systems and have been a part of scientific dogma for a long time. However, neither the mechanisms underlying this phenomenon nor their possible roles in disease development have resulted in major breakthroughs until recent years. In view of the ubiquity of CICs in inflammatory tissue and tumors, it is tempting to think that these specific structures could be associated with clinical diagnosis and treatment and thus would become a new hotspot for translational medicine. Translational medicine is a new concept in the field of international biomedical research that appeared in the last 20 years, which transforms basic research into clinical application. With the growing interest in this field, this review addresses recent research on CICs and their potential clinical implications in cytomorphological diagnosis and the pathology of human diseases, while discussing as yet unanswered questions. We also put forward future directions to reduce the gap in our knowledge caused by our currently limited understanding of CICs.
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Kianfar M, Balcerak A, Chmielarczyk M, Tarnowski L, Grzybowska EA. Cell Death by Entosis: Triggers, Molecular Mechanisms and Clinical Significance. Int J Mol Sci 2022; 23:ijms23094985. [PMID: 35563375 PMCID: PMC9102690 DOI: 10.3390/ijms23094985] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 04/28/2022] [Accepted: 04/28/2022] [Indexed: 02/04/2023] Open
Abstract
Entosis—a homotypic insertion of one cell into another, resulting in a death of the invading cell—has been described in many reports, but crucial aspects of its molecular mechanisms and clinical significance still remain controversial. While actomyosin contractility of the invading cell is very well established as a driving force in the initial phase, and autophagy induced in the outer cell is determined as the main mechanism of degradation of the inner cell, many details remain unresolved. The multitude of triggering factors and crisscrossing molecular pathways described in entosis regulation make interpretations difficult. The question of the physiological role of entosis also remains unanswered. In this review, we summarize the knowledge of molecular mechanisms and clinical data concerning entosis accumulated so far, highlighting both coherent explanations and controversies.
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García-Jiménez I, Cervantes-Villagrana RD, Del-Río-Robles JE, Castillo-Kauil A, Beltrán-Navarro YM, García-Román J, Reyes-Cruz G, Vázquez-Prado J. Gβγ mediates activation of Rho guanine nucleotide exchange factor ARHGEF17 that promotes metastatic lung cancer progression. J Biol Chem 2021; 298:101440. [PMID: 34808208 PMCID: PMC8703085 DOI: 10.1016/j.jbc.2021.101440] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Revised: 11/10/2021] [Accepted: 11/18/2021] [Indexed: 12/12/2022] Open
Abstract
Metastatic lung cancer is a major cause of death worldwide. Dissemination of cancer cells can be facilitated by various agonists within the tumor microenvironment, including by lysophosphatidic acid (LPA). We postulate that Rho guanine nucleotide exchange factors (RhoGEFs), which integrate signaling cues driving cell migration, are critical effectors in metastatic cancer. Specifically, we addressed the hypothetical role of ARHGEF17, a RhoGEF, as a potential effector of Gβγ in metastatic lung cancer cells responding to LPA. Here, we show that ARHGEF17, originally identified as a tumor endothelial marker, is involved in tumor growth and metastatic dissemination of lung cancer cells in an immunocompetent murine model. Gene expression–based analysis of lung cancer datasets showed that increased levels of ARHGEF17 correlated with reduced survival of patients with advanced-stage tumors. Cellular assays also revealed that this RhoGEF participates in the invasive and migratory responses elicited by Gi protein–coupled LPA receptors via the Gβγ subunit complex. We demonstrate that this signaling heterodimer promoted ARHGEF17 recruitment to the cell periphery and actin fibers. Moreover, Gβγ allosterically activates ARHGEF17 by the removal of inhibitory intramolecular restrictions. Taken together, our results indicate that ARHGEF17 may be a valid potential target in the treatment of metastatic lung cancer.
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15
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Borensztejn K, Tyrna P, Gaweł AM, Dziuba I, Wojcik C, Bialy LP, Mlynarczuk-Bialy I. Classification of Cell-in-Cell Structures: Different Phenomena with Similar Appearance. Cells 2021; 10:cells10102569. [PMID: 34685548 PMCID: PMC8534218 DOI: 10.3390/cells10102569] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/21/2021] [Accepted: 09/22/2021] [Indexed: 02/07/2023] Open
Abstract
A phenomenon known for over 100 years named “cell-in-cell” (CIC) is now undergoing its renaissance, mostly due to modern cell visualization techniques. It is no longer an esoteric process studied by a few cell biologists, as there is increasing evidence that CICs may have prognostic and diagnostic value for cancer patients. There are many unresolved questions stemming from the difficulties in studying CICs and the limitations of current molecular techniques. CIC formation involves a dynamic interaction between an outer or engulfing cell and an inner or engulfed cell, which can be of the same (homotypic) or different kind (heterotypic). Either one of those cells appears to be able to initiate this process, which involves signaling through cell–cell adhesion, followed by cytoskeleton activation, leading to the deformation of the cellular membrane and movements of both cells that subsequently result in CICs. This review focuses on the distinction of five known forms of CIC (cell cannibalism, phagoptosis, enclysis, entosis, and emperipolesis), their unique features, characteristics, and underlying molecular mechanisms.
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Affiliation(s)
- Karol Borensztejn
- Histology and Embryology Students’ Science Association, Department of Histology and Embryology, Faculty of Medicine, Warsaw Medical University, Chalubinskiego 5, 02-004 Warsaw, Poland; (K.B.); (P.T.); (A.M.G.)
| | - Paweł Tyrna
- Histology and Embryology Students’ Science Association, Department of Histology and Embryology, Faculty of Medicine, Warsaw Medical University, Chalubinskiego 5, 02-004 Warsaw, Poland; (K.B.); (P.T.); (A.M.G.)
| | - Agata M. Gaweł
- Histology and Embryology Students’ Science Association, Department of Histology and Embryology, Faculty of Medicine, Warsaw Medical University, Chalubinskiego 5, 02-004 Warsaw, Poland; (K.B.); (P.T.); (A.M.G.)
| | - Ireneusz Dziuba
- Faculty of Medicine, Collegium Medicum, Cardinal Stefan Wyszyński University in Warsaw, Dewajtis 5, 01-815 Warsaw, Poland;
- Faculty of Medicine, University of Technology, Rolna 43, 40-555 Katowice, Poland
| | - Cezary Wojcik
- US Cardiovascular, Amgen Inc., One Amgen Center Drive, Thousand Oaks, CA 91320-1799, USA;
| | - Lukasz P. Bialy
- Department of Histology and Embryology, Faculty of Medicine, Warsaw Medical University, Chalubinskiego 5, 02-004 Warsaw, Poland;
| | - Izabela Mlynarczuk-Bialy
- Department of Histology and Embryology, Faculty of Medicine, Warsaw Medical University, Chalubinskiego 5, 02-004 Warsaw, Poland;
- Correspondence: ; Tel.: +48-22-6295282
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16
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Chen R, Ram A, Albeck JG, Overholtzer M. Entosis is induced by ultraviolet radiation. iScience 2021; 24:102902. [PMID: 34401679 PMCID: PMC8353511 DOI: 10.1016/j.isci.2021.102902] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 06/25/2021] [Accepted: 07/21/2021] [Indexed: 01/26/2023] Open
Abstract
Entosis is a cell death mechanism that is executed through neighbor cell ingestion and killing that occurs in cancer tissues and during development. Here, we identify JNK and p38 stress-activated kinase signaling as an inducer of entosis in cells exposed to ultraviolet (UV) radiation. Cells with high levels of stress signaling are ingested and killed by those with low levels, a result of heterogeneity arising within cell populations over time. In stressed cells, entosis occurs as part of mixed-cell death response with parallel induction of apoptosis and necrosis, and we find that inhibition of one form of cell death leads to increased rates of another. Together, these findings identify stress-activated kinase signaling as a new inducer of entosis and demonstrate cross talk between different forms of cell death that can occur in parallel in response to UV radiation.
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Affiliation(s)
- Ruoyao Chen
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
- BCMB Allied Program, Weill Cornell Medical College, New York, NY 10065, USA
| | - Abhineet Ram
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA 95616, USA
| | - John G. Albeck
- Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA 95616, USA
| | - Michael Overholtzer
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
- BCMB Allied Program, Weill Cornell Medical College, New York, NY 10065, USA
- Louis V. Gerstner, Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
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17
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Niu Z, He M, Sun Q. Molecular mechanisms underlying cell-in-cell formation: core machineries and beyond. J Mol Cell Biol 2021; 13:329-334. [PMID: 33693765 PMCID: PMC8373266 DOI: 10.1093/jmcb/mjab015] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 01/06/2021] [Accepted: 01/12/2021] [Indexed: 12/28/2022] Open
Affiliation(s)
- Zubiao Niu
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing 100071, China
| | - Meifang He
- Laboratory of General Surgery, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou 510080, China
| | - Qiang Sun
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing 100071, China
- Research Unit of Cell Death Mechanism, Chinese Academy of Medical Sciences, 2020RU009, Beijing 100071, China
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18
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Wang M, Niu Z, Qin H, Ruan B, Zheng Y, Ning X, Gu S, Gao L, Chen Z, Wang X, Huang H, Ma L, Sun Q. Mechanical Ring Interfaces between Adherens Junction and Contractile Actomyosin to Coordinate Entotic Cell-in-Cell Formation. Cell Rep 2021; 32:108071. [PMID: 32846129 DOI: 10.1016/j.celrep.2020.108071] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 01/21/2020] [Accepted: 08/03/2020] [Indexed: 12/15/2022] Open
Abstract
Entosis is a cell-in-cell (CIC)-mediated death program. Contractile actomyosin (CA) and the adherens junction (AJ) are two core elements essential for entotic CIC formation, but the molecular structures interfacing them remain poorly understood. Here, we report the characterization of a ring-like structure interfacing between the peripheries of invading and engulfing cells. The ring-like structure is a multi-molecular complex consisting of adhesive and cytoskeletal proteins, in which the mechanical sensor vinculin is highly enriched. The vinculin-enriched structure senses mechanical force imposed on cells, as indicated by fluorescence resonance energy transfer (FRET) analysis, and is thus termed the mechanical ring (MR). The MR actively interacts with CA and the AJ to help establish and maintain polarized actomyosin that drives cell internalization. Vinculin depletion leads to compromised MR formation, CA depolarization, and subsequent CIC failure. In summary, we suggest that the vinculin-enriched MR, in addition to CA and AJ, is another core element essential for entosis.
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Affiliation(s)
- Manna Wang
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China; Institute of Molecular Immunology, Southern Medical University, Guangzhou 510515, China
| | - Zubiao Niu
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Hongquan Qin
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China; Institute of Molecular Immunology, Southern Medical University, Guangzhou 510515, China
| | - Banzhan Ruan
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - You Zheng
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Xiangkai Ning
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Songzhi Gu
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Lihua Gao
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Zhaolie Chen
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China
| | - Xiaoning Wang
- National Clinic Center of Geriatric, the Chinese PLA General Hospital, Beijing 100853, China
| | - Hongyan Huang
- Department of Oncology, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China.
| | - Li Ma
- Institute of Molecular Immunology, Southern Medical University, Guangzhou 510515, China.
| | - Qiang Sun
- Laboratory of Cell Engineering, Institute of Biotechnology, 20 Dongda Street, Beijing 100071, China.
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19
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Liang JB, Chen Y, Chen RL, Li YK, Li B, You ZR, Li Y, Zhang J, Huang BY, Wei YR, Lyu ZW, Lian M, Xiao X, Wang QX, Tang RQ, Fang JY, Chen XY, Ma X, Miao Q. CD8 + T cells actively penetrate hepatocytes via the CD44/p-ERM/F-actin pathway in autoimmune hepatitis. J Dig Dis 2021; 22:351-362. [PMID: 33928766 DOI: 10.1111/1751-2980.12995] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2021] [Revised: 03/02/2021] [Accepted: 04/25/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVE Emperipolesis is a pathological feature for the diagnosis of autoimmune hepatitis (AIH). We have previously found that CD8+ T cells participated in the emperipolesis in AIH. In this study we aimed to clarify the characteristics and molecular mechanisms of emperipolesis in patients with AIH in vitro and in mice with α-Galactosylceramide (α-GalCer)-induced acute hepatitis. METHODS The peripheral blood mononuclear cells (PBMC) of patients with various chronic liver diseases and healthy controls were co-cultured with hepatic cell lines to induce emperipolesis in vitro. Confocal staining was performed to illustrate the cellular types and potential mechanisms of emperipolesis in AIH. In addition, a murine model of α-GalCer-induced acute hepatitis that mimics human AIH was used to confirm the role of CD44/p-ERM/F-actin in the emperipolesis process in vivo. RESULTS In the co-cultured system of PBMC and hepatic cell line, emperipolesis was observed most commonly in patients with AIH. The main cells participating in emperipolesis were CD8+ T cells, and they penetrated hepatic cells actively via the CD44/p-ERM/F-actin pathway. As a result, most CD8+ T cells engulfed by hepatic cells underwent apoptosis. In the α-GalCer-induced acute hepatitis model, emperipolesis was observed around the inflammatory foci and was inhibited by the ezrin phosphorylation inhibitor NSC668394. Similarly, activated murine CD8+ T cells penetrated primary hepatocytes via the CD44/p-ERM/F-actin pathway in vitro. CONCLUSIONS CD8+ T cells penetrate hepatic cells actively via the CD44/p-ERM/F-actin signaling pathway and undergo apoptosis. This may be a compensatory mechanism to attenuate the overwhelming immune attack in AIH.
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Affiliation(s)
- Ju Bo Liang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Yong Chen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Rui Ling Chen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Yi Kang Li
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Bo Li
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Zheng Rui You
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - You Li
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Jun Zhang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Bing Yuan Huang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Yi Ran Wei
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Zhu Wan Lyu
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Min Lian
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Xiao Xiao
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Qi Xia Wang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Ru Qi Tang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Jing Yuan Fang
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Xiao Yu Chen
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Xiong Ma
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
| | - Qi Miao
- Division of Gastroenterology and Hepatology, Key Laboratory of Gastroenterology and Hepatology, Ministry of Health, State Key Laboratory for Oncogenes and Related Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University; Shanghai Institute of Digestive Disease, Shanghai, China
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20
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Ren W, Zhao W, Cao L, Huang J. Involvement of the Actin Machinery in Programmed Cell Death. Front Cell Dev Biol 2021; 8:634849. [PMID: 33634110 PMCID: PMC7900405 DOI: 10.3389/fcell.2020.634849] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 12/28/2020] [Indexed: 12/15/2022] Open
Abstract
Programmed cell death (PCD) depicts a genetically encoded and an orderly mode of cellular mortality. When triggered by internal or external stimuli, cells initiate PCDs through evolutionary conserved regulatory mechanisms. Actin, as a multifunctional cytoskeleton protein that forms microfilament, its integrity and dynamics are essential for a variety of cellular processes (e.g., morphogenesis, membrane blebbing and intracellular transport). Decades of work have broadened our knowledge about different types of PCDs and their distinguished signaling pathways. However, an ever-increasing pool of evidences indicate that the delicate relationship between PCDs and the actin cytoskeleton is beginning to be elucidated. The purpose of this article is to review the current understanding of the relationships between different PCDs and the actin machinery (actin, actin-binding proteins and proteins involved in different actin signaling pathways), in the hope that this attempt can shed light on ensuing studies and the development of new therapeutic strategies.
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Affiliation(s)
- Weida Ren
- Key Laboratory for Regenerative Medicine, Ministry of Education, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Wanyu Zhao
- Key Laboratory for Regenerative Medicine, Ministry of Education, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Lingbo Cao
- Key Laboratory for Regenerative Medicine, Ministry of Education, College of Life Science and Technology, Jinan University, Guangzhou, China
| | - Junqi Huang
- Key Laboratory for Regenerative Medicine, Ministry of Education, College of Life Science and Technology, Jinan University, Guangzhou, China
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21
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Zhao B, Grosse R. Optogenetic Control of Myocardin-Related Transcription Factor A Subcellular Localization and Transcriptional Activity Steers Membrane Blebbing and Invasive Cancer Cell Motility. Adv Biol (Weinh) 2021; 5:e2000208. [PMID: 34028209 DOI: 10.1002/adbi.202000208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2020] [Revised: 01/08/2021] [Indexed: 11/12/2022]
Abstract
The myocardin-related transcription factor A (MRTF-A) controls the transcriptional activity of the serum response factor (SRF) in a tightly controlled actin-dependent manner. In turn, MRTF-A is crucial for many actin-dependent processes including adhesion, migration, and contractility and has emerged as a novel target for anti-tumor strategies. MRTF-A rapidly shuttles between cytoplasmic and nuclear compartment via dynamic actin interactions within its N-terminal RPEL domain. Here, optogenetics is used to spatiotemporally control MRTF-A nuclear localization by blue light using the light-oxygen-voltage-sensing domain 2-domain based system LEXY (light-inducible nuclear export system). It is found that light-regulated nuclear export of MRTF-A occurs within 10-20 min. Importantly, MRTF-A-LEXY shuttling is independent of perturbations of actin dynamics. Furthermore, light-regulation of MRTF-A-LEXY is reversible and repeatable for several cycles of illumination and its subcellular localization correlates with SRF transcriptional activity. As a consequence, optogenetic control of MRTF-A subcellular localization determines subsequent cytoskeletal dynamics such as non-apoptotic plasma membrane blebbing as well as invasive tumor-cell migration through 3D collagen matrix. This data demonstrates robust optogenetic regulation of MRTF as a powerful tool to control SRF-dependent transcription as well as cell motile behavior.
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Affiliation(s)
- Bing Zhao
- Institute of Experimental and Clinical Pharmacology and Toxicology I, University of Freiburg, Freiburg, 79104, Germany.,Centre for Integrative Biological Signaling Studies (CIBSS), Freiburg, 79104, Germany
| | - Robert Grosse
- Institute of Experimental and Clinical Pharmacology and Toxicology I, University of Freiburg, Freiburg, 79104, Germany.,Centre for Integrative Biological Signaling Studies (CIBSS), Freiburg, 79104, Germany
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22
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Su Y, Ren H, Tang M, Zheng Y, Zhang B, Wang C, Hou X, Niu Z, Wang Z, Gao X, Gao L, Jiang H, Chen Z, Luo T, Sun Q. Role and dynamics of vacuolar pH during cell-in-cell mediated death. Cell Death Dis 2021; 12:119. [PMID: 33483474 PMCID: PMC7822940 DOI: 10.1038/s41419-021-03396-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/14/2020] [Accepted: 12/16/2020] [Indexed: 02/07/2023]
Abstract
The nonautonomous cell death by entosis was mediated by the so-called cell-in-cell structures, which were believed to kill the internalized cells by a mechanism dependent on acidified lysosomes. However, the precise values and roles of pH critical for the death of the internalized cells remained undetermined yet. We creatively employed keima, a fluorescent protein that displays different excitation spectra in responding to pH changes, to monitor the pH dynamics of the entotic vacuoles during cell-in-cell mediated death. We found that different cells varied in their basal intracellular pH, and the pH was relatively stable for entotic vacuoles containing live cells, but sharply dropped to a narrow range along with the inner cell death. In contrast, the lipidation of entotic vacuoles by LC3 displayed previously underappreciated complex patterns associated with entotic and apoptotic death, respectively. The pH decline seemed to play distinct roles in the two types of inner cell deaths, where apoptosis is preceded with moderate pH decline while a profound pH decline is likely to be determinate for entotic death. Whereas the cancer cells seemed to be lesser tolerant to acidified environments than noncancerous cells, manipulating vacuolar pH could effectively control inner cell fates and switch the ways whereby inner cell die. Together, this study demonstrated for the first time the pH dynamics of entotic vacuoles that dictate the fates of internalized cells, providing a rationale for tuning cellular pH as a potential way to treat cell-in-cell associated diseases such as cancer.
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Affiliation(s)
- Yan Su
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, China
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - He Ren
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Department of Oncology, Beijing Shijitan Hospital of Capital Medical University, Beijing, China
| | - Meng Tang
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Department of Oncology, Beijing Shijitan Hospital of Capital Medical University, Beijing, China
| | - You Zheng
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Bo Zhang
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Department of Oncology, Beijing Shijitan Hospital of Capital Medical University, Beijing, China
| | - Chenxi Wang
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Xinyu Hou
- Department of Oncology, Beijing Shijitan Hospital of Capital Medical University, Beijing, China
| | - Zubiao Niu
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Zhongyi Wang
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Xiaoyan Gao
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
- Department of Oncology, Beijing Shijitan Hospital of Capital Medical University, Beijing, China
| | - Lihua Gao
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Hong Jiang
- College of Life Science and Bioengineering, School of Science, Beijing Jiaotong University, Beijing, China
| | - Zhaolie Chen
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Tianzhi Luo
- CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, China.
| | - Qiang Sun
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China.
- Research Unit of Cell Death Mechanism, 2020RU009, Chinese Academy of Medical Science, Beijing, China.
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23
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Involvement of Actin and Actin-Binding Proteins in Carcinogenesis. Cells 2020; 9:cells9102245. [PMID: 33036298 PMCID: PMC7600575 DOI: 10.3390/cells9102245] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/18/2020] [Accepted: 10/05/2020] [Indexed: 12/13/2022] Open
Abstract
The actin cytoskeleton plays a crucial role in many cellular processes while its reorganization is important in maintaining cell homeostasis. However, in the case of cancer cells, actin and ABPs (actin-binding proteins) are involved in all stages of carcinogenesis. Literature has reported that ABPs such as SATB1 (special AT-rich binding protein 1), WASP (Wiskott-Aldrich syndrome protein), nesprin, and villin take part in the initial step of carcinogenesis by regulating oncogene expression. Additionally, changes in actin localization promote cell proliferation by inhibiting apoptosis (SATB1). In turn, migration and invasion of cancer cells are based on the formation of actin-rich protrusions (Arp2/3 complex, filamin A, fascin, α-actinin, and cofilin). Importantly, more and more scientists suggest that microfilaments together with the associated proteins mediate tumor vascularization. Hence, the presented article aims to summarize literature reports in the context of the potential role of actin and ABPs in all steps of carcinogenesis.
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24
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Armistead J, Hatzold J, van Roye A, Fahle E, Hammerschmidt M. Entosis and apical cell extrusion constitute a tumor-suppressive mechanism downstream of Matriptase. J Cell Biol 2020; 219:132730. [PMID: 31819976 PMCID: PMC7041680 DOI: 10.1083/jcb.201905190] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 10/02/2019] [Accepted: 11/04/2019] [Indexed: 12/21/2022] Open
Abstract
Armistead et al. show that in a bilayered epithelium in vivo, apical cell extrusion of basal cells is achieved via their engulfment by surface cells. In zebrafish hai1a mutants, this constitutes a tumor-suppressive mechanism, revealing a double face of Matriptase. The type II transmembrane serine protease Matriptase 1 (ST14) is commonly known as an oncogene, yet it also plays an understudied role in suppressing carcinogenesis. This double face is evident in the embryonic epidermis of zebrafish loss-of-function mutants in the cognate Matriptase inhibitor Hai1a (Spint1a). Mutant embryos display epidermal hyperplasia, but also apical cell extrusions, during which extruding outer keratinocytes carry out an entosis-like engulfment and entrainment of underlying basal cells, constituting a tumor-suppressive effect. These counteracting Matriptase effects depend on EGFR and the newly identified mediator phospholipase D (PLD), which promotes both mTORC1-dependent cell proliferation and sphingosine-1-phosphate (S1P)–dependent entosis and apical cell extrusion. Accordingly, hypomorphic hai1a mutants heal spontaneously, while otherwise lethal hai1a amorphs are efficiently rescued upon cotreatment with PLD inhibitors and S1P. Together, our data elucidate the mechanisms underlying the double face of Matriptase function in vivo and reveal the potential use of combinatorial carcinoma treatments when such double-face mechanisms are involved.
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Affiliation(s)
- Joy Armistead
- Institute of Zoology, Developmental Biology Unit, University of Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany
| | - Julia Hatzold
- Institute of Zoology, Developmental Biology Unit, University of Cologne, Cologne, Germany
| | - Anna van Roye
- Institute of Zoology, Developmental Biology Unit, University of Cologne, Cologne, Germany
| | - Evelin Fahle
- Institute of Zoology, Developmental Biology Unit, University of Cologne, Cologne, Germany
| | - Matthias Hammerschmidt
- Institute of Zoology, Developmental Biology Unit, University of Cologne, Cologne, Germany.,Center for Molecular Medicine Cologne, University of Cologne, Cologne, Germany.,Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases, University of Cologne, Cologne, Germany
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25
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Kojima R, Aubel D, Fussenegger M. Building sophisticated sensors of extracellular cues that enable mammalian cells to work as "doctors" in the body. Cell Mol Life Sci 2020; 77:3567-3581. [PMID: 32185403 PMCID: PMC7452942 DOI: 10.1007/s00018-020-03486-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 01/27/2020] [Accepted: 02/17/2020] [Indexed: 12/24/2022]
Abstract
Mammalian cells are inherently capable of sensing extracellular environmental signals and activating complex biological functions on demand. Advances in synthetic biology have made it possible to install additional capabilities, which can allow cells to sense the presence of custom biological molecules and provide defined outputs on demand. When implanted/infused in patients, such engineered cells can work as intrabody "doctors" that diagnose disease states and produce and deliver therapeutic molecules when and where necessary. The key to construction of such theranostic cells is the development of a range of sensor systems for detecting various extracellular environmental cues that can be rewired to custom outputs. In this review, we introduce the state-of-art engineering principles utilized in the design of sensor systems to detect soluble factors and also to detect specific cell contact, and we discuss their potential role in treating intractable diseases by delivering appropriate therapeutic functions on demand. We also discuss the challenges facing these emerging technologies.
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Affiliation(s)
- Ryosuke Kojima
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
- PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan.
| | - Dominque Aubel
- IUTA Département Génie Biologique, Université Claude Bernard Lyon 1, Boulevard du 11 Novembre 1918, 69622, Villeurbanne Cedex, France
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering (D-BSSE), ETH Zurich, Mattenstrasse 26, 4058, Basel, Switzerland.
- Faculty of Science, University of Basel, Mattenstrasse 26, 4058, Basel, Switzerland.
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26
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Davies SP, Terry LV, Wilkinson AL, Stamataki Z. Cell-in-Cell Structures in the Liver: A Tale of Four E's. Front Immunol 2020; 11:650. [PMID: 32528462 PMCID: PMC7247839 DOI: 10.3389/fimmu.2020.00650] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 03/23/2020] [Indexed: 12/12/2022] Open
Abstract
The liver is our largest internal organ and it plays major roles in drug detoxification and immunity, where the ingestion of extracellular material through phagocytosis is a critical pathway. Phagocytosis is the deliberate endocytosis of large particles, microbes, dead cells or cell debris and can lead to cell-in-cell structures. Various types of cell endocytosis have been recently described for hepatic epithelia (hepatocytes), which are non-professional phagocytes. Given that up to 80% of the liver comprises hepatocytes, the biological impact of cell-in-cell structures in the liver can have profound effects in liver regeneration, inflammation and cancer. This review brings together the latest reports on four types of endocytosis in the liver -efferocytosis, entosis, emperipolesis and enclysis, with a focus on hepatocyte biology.
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Affiliation(s)
- Scott P Davies
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Lauren V Terry
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Alex L Wilkinson
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom
| | - Zania Stamataki
- Centre for Liver and Gastrointestinal Research, Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, United Kingdom.,NIHR Birmingham Liver Biomedical Research Centre, University Hospitals Birmingham NHS Foundation Trust, Birmingham, United Kingdom
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27
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Wang C, Chen A, Ruan B, Niu Z, Su Y, Qin H, Zheng Y, Zhang B, Gao L, Chen Z, Huang H, Wang X, Sun Q. PCDH7 Inhibits the Formation of Homotypic Cell-in-Cell Structure. Front Cell Dev Biol 2020; 8:329. [PMID: 32457908 PMCID: PMC7225324 DOI: 10.3389/fcell.2020.00329] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Accepted: 04/16/2020] [Indexed: 12/13/2022] Open
Abstract
Though homotypic cell-in-cell (hoCIC) structures are implicated in the development and progression of multiple human tumors, the molecular mechanisms underlying their formation remain poorly understood. We found that the expression of Protocadherin-7 (PCDH7), an integral membrane protein, was negatively associated with the formation of hoCIC structures. Overexpression of PCDH7 efficiently inhibits, while its depletion significantly enhances, hoCIC formation, which was attributed to its regulation on intercellular adhesion and contractile actomyosin as well. Via directly interacting with and inactivating PP1α, a protein phosphatase that dephosphorylates pMLC2, PCDH7 increases the level of pMLC2 leading to enhanced actomyosin at the intercellular region and compromised hoCIC formation. Remarkably, PCDH7 enhanced anchorage-independent cell growth in a hoCIC-dependent manner. Together, we identified PCDH7 as the first trans-membrane protein that inhibits hoCIC formation to promote tumor growth.
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Affiliation(s)
- Chenxi Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China.,Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Ang Chen
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Banzhan Ruan
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China.,Department of Biology, Hainan Medical University, Haikou, China
| | - Zubiao Niu
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Yan Su
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Hongquan Qin
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - You Zheng
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Bo Zhang
- Department of Oncology, Capital Medical University, Beijing, China
| | - Lihua Gao
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Zhaolie Chen
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
| | - Hongyan Huang
- Department of Oncology, Capital Medical University, Beijing, China
| | - Xiaoning Wang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, China.,Beijing Key Laboratory of Aging and Geriatrics, Chinese PLA General Hospital, Beijing, China
| | - Qiang Sun
- Laboratory of Cell Engineering, Institute of Biotechnology, Beijing, China
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28
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Montcouquiol M, Kelley MW. Development and Patterning of the Cochlea: From Convergent Extension to Planar Polarity. Cold Spring Harb Perspect Med 2020; 10:cshperspect.a033266. [PMID: 30617059 DOI: 10.1101/cshperspect.a033266] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Within the mammalian cochlea, sensory hair cells and supporting cells are aligned in curvilinear rows that extend along the length of the tonotopic axis. In addition, all of the cells within the epithelium are uniformly polarized across the orthogonal neural-abneural axis. Finally, each hair cell is intrinsically polarized as revealed by the presence of an asymmetrically shaped and apically localized stereociliary bundle. It has been known for some time that many of the developmental processes that regulate these patterning events are mediated, to some extent, by the core planar cell polarity (PCP) pathway. This article will review more recent work demonstrating how components of the PCP pathway interact with cytoskeletal motor proteins to regulate cochlear outgrowth. Finally, a signaling pathway originally identified for its role in asymmetric cell divisions has recently been shown to mediate several aspects of intrinsic hair cell polarity, including kinocilia migration, bundle shape, and elongation.
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Affiliation(s)
- Mireille Montcouquiol
- INSERM, Neurocentre Magendie, U1215, F-33077 Bordeaux, France.,University of Bordeaux, Neurocentre Magendie, U1215, F-33077 Bordeaux, France
| | - Matthew W Kelley
- Laboratory of Cochlear Development, National Institute on Deafness and Other Communication Disorders, National Institutes of Health, Bethesda, Maryland 20892
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29
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Lee Y, Overholtzer M. After-Death Functions of Cell Death. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2019; 92:687-694. [PMID: 31866783 PMCID: PMC6913823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Cell death can occur through numerous regulated mechanisms, from apoptosis to necrosis, entosis, and others. Each has a distinct mode of regulation and effect on tissue homeostasis. While the elimination of individual cells is typically considered the relevant physiologic endpoint of cell death, in some cases the remnants left behind by death can also function to support tissue homeostasis. Here we discuss specific functions of the end products of cell death, and how "after-death" functions may contribute to the roles of programmed cell death in physiology.
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Affiliation(s)
- Yongchan Lee
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY
| | - Michael Overholtzer
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY,Louis V. Gerstner, Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY,BCMB Allied Program, Weill Cornell Medical College, New York, NY,To whom all correspondence should be addressed: Michael Overholtzer, 411 East 67th Street, Rm. RRL-629, New York, NY 10065; Tel: 212-639-6536, Fax: 212-794-4342,
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30
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GPCR-induced calcium transients trigger nuclear actin assembly for chromatin dynamics. Nat Commun 2019; 10:5271. [PMID: 31754104 PMCID: PMC6872576 DOI: 10.1038/s41467-019-13322-y] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2019] [Accepted: 10/25/2019] [Indexed: 12/19/2022] Open
Abstract
Although the properties of the actin cytoskeleton in the cytoplasm are well characterized, the regulation and function of nuclear actin filaments are only recently emerging. We previously demonstrated serum-induced, transient assembly of filamentous actin within somatic cell nuclei. However, the extracellular cues, cell surface receptors as well as underlying signaling mechanisms have been unclear. Here we demonstrate that physiological ligands for G protein-coupled receptors (GPCRs) promote nuclear F-actin assembly via heterotrimeric Gαq proteins. Signal-induced nuclear actin responses require calcium release from the endoplasmic reticulum (ER) targeting the ER-associated formin INF2 at the inner nuclear membrane (INM). Notably, calcium signaling promotes the polymerization of linear actin filaments emanating from the INM towards the nuclear interior. We show that GPCR and calcium elevations trigger nuclear actin-dependent alterations in chromatin organization, uncovering a general cellular mechanism by which physiological ligands and calcium promote nuclear F-actin assembly for rapid responses towards chromatin dynamics.
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31
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Kojima R, Fussenegger M. Synthetic Biology: Engineering Mammalian Cells To Control Cell-to-Cell Communication at Will. Chembiochem 2019; 20:994-1002. [PMID: 30589185 DOI: 10.1002/cbic.201800682] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Indexed: 12/12/2022]
Abstract
Cell-to-cell communication plays a key role in the regulation of many natural biological processes. Recent advances in mammalian synthetic biology are making it possible to rationally engineer cell-to-cell communication for therapeutic and other purposes. Here, we review state-of-the-art engineering principles to control cell-to-cell communication, focusing on communication between mammalian cells with diffusible factors (e.g., small molecules or exosomes) or direct cell contact, and on interkingdom communication between mammalian cells and bacteria. Potential applications include construction of artificial tissues able to perform complex computations, sophisticated cell-based cancer therapies, use of mammalian cells as a new class of cargo delivery modality, development of design principles to control pattern formation of cell populations, and treatment of infectious diseases. We also discuss the challenges facing practical applications, and possible enabling technologies to overcome them.
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Affiliation(s)
- Ryosuke Kojima
- Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.,PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Saitama, 332-0012, Japan
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering (D-BSSE), ETH Zurich, Mattenstrasse 26, 4058, Basel, Switzerland.,Faculty of Science, University of Basel, Mattenstrasse 26, 4058, Basel, Switzerland
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32
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Lee Y, Hamann JC, Pellegrino M, Durgan J, Domart MC, Collinson LM, Haynes CM, Florey O, Overholtzer M. Entosis Controls a Developmental Cell Clearance in C. elegans. Cell Rep 2019; 26:3212-3220.e4. [PMID: 30893595 PMCID: PMC6475604 DOI: 10.1016/j.celrep.2019.02.073] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Revised: 02/07/2019] [Accepted: 02/19/2019] [Indexed: 12/14/2022] Open
Abstract
Metazoan cell death mechanisms are diverse and include numerous non-apoptotic programs. One program called entosis involves the invasion of live cells into their neighbors and is known to occur in cancers. Here, we identify a developmental function for entosis: to clear the male-specific linker cell in C. elegans. The linker cell leads migration to shape the gonad and is removed to facilitate fusion of the gonad to the cloaca. We find that the linker cell is cleared in a manner involving cell-cell adhesions and cell-autonomous control of uptake through linker cell actin. Linker cell entosis generates a lobe structure that is deposited at the site of gonad-to-cloaca fusion and is removed during mating. Inhibition of lobe scission inhibits linker cell death, demonstrating that the linker cell invades its host while alive. Our findings demonstrate a developmental function for entosis: to eliminate a migrating cell and facilitate gonad-to-cloaca fusion, which is required for fertility.
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Affiliation(s)
- Yongchan Lee
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY 10065, USA
| | - Jens C Hamann
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY 10065, USA; Louis V. Gerstner, Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Mark Pellegrino
- Department of Biology, University of Texas Arlington, 500 UTA Blvd, Arlington, TX 76019, USA
| | - Joanne Durgan
- Signalling Programme, The Babraham Institute, Cambridge CB22 3AT, UK
| | - Marie-Charlotte Domart
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Lucy M Collinson
- Electron Microscopy Science Technology Platform, The Francis Crick Institute, 1 Midland Road, London NW1 1AT, UK
| | - Cole M Haynes
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, 364 Plantation Street, Worcester, MA 01605, USA
| | - Oliver Florey
- Signalling Programme, The Babraham Institute, Cambridge CB22 3AT, UK
| | - Michael Overholtzer
- Cell Biology Program, Sloan Kettering Institute for Cancer Research, New York, NY 10065, USA; Louis V. Gerstner, Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA; BCMB Allied Program, Weill Cornell Medical College, New York, NY 10065, USA.
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33
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Biological relevance of cell-in-cell in cancers. Biochem Soc Trans 2019; 47:725-732. [PMID: 30850425 PMCID: PMC6490704 DOI: 10.1042/bst20180618] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 01/20/2023]
Abstract
Cell-in-cell (CIC) is a term used to describe the presence of one, usually living, cell inside another cell that is typically considered non-phagocytic. Examples of this include tumour cells inside tumour cells (homotypic), mesenchymal stem cells inside tumour cells (heterotypic) or immune cells inside tumour cells (heterotypic). CIC formation can occur in cell lines and in tissues and it has been most frequently observed during inflammation and in cancers. Over the past 10 years, many researchers have studied CIC structures and a few different models have been proposed through which they can be formed, including entosis, cannibalism and emperipolesis among others. Recently, our laboratory discovered a role for mutant p53 in facilitating the formation of CIC and promoting genomic instability. These data and research by many others have uncovered a variety of molecules involved in CIC formation and have started to give us an idea of why they are formed and how they could contribute to oncogenic processes. In this perspective, we summarise current literature and speculate on the role of CIC in cancer biology.
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Liu J, Wang L, Zhang Y, Li S, Sun F, Wang G, Yang T, Wei D, Guo L, Xiao H. Induction of entosis in prostate cancer cells by nintedanib and its therapeutic implications. Oncol Lett 2019; 17:3151-3162. [PMID: 30867745 PMCID: PMC6396220 DOI: 10.3892/ol.2019.9951] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 12/17/2018] [Indexed: 02/07/2023] Open
Abstract
Entosis is a homogeneous cell-in-cell phenomenon and a non-apoptotic cell death process. Tyrosine kinase inhibitors have been used in the treatment of prostate cancer and have already demonstrated efficacy in a clinical setting. The present study investigated the role of entosis in prostate cancer treated with the tyrosine kinase inhibitor nintedanib. Prostate cancer cells were treated with nintedanib in vitro and entosis was observed. Mice xenografts were created to evaluate whether nintedanib is able to induce entosis in vivo. The reverse transcription-quantitative polymerase chain reaction, western blotting and immunofluorescence were performed to investigate whether the entosis pathway is induced by nintedanib. It was also investigated whether entosis can contribute to cell survival and progression under nintedanib stress, and nintedanib was revealed to enhance prostate cancer cell entosis. Nintedanib-induced entosis in prostate cancer cells occurred through phosphoinositide 3-kinase/cell division cycle 42 (CDC42) inhibition, followed by the upregulation of epithelial (E-)cadherin and components of the Rho kinase (ROCK) signaling pathway. In addition, nintedanib-resistant cells exhibiting entosis had a higher invasive ability. In addition, in vivo treatment of mice xenografts with nintedanib also increased the expression of E-cadherin and components of the ROCK signaling pathway. Nintedanib can promote entosis during prostate cancer treatment by modulating the CDC42 pathway. Furthermore, prostate cancer cells acquired nintedanib resistance and survived by activating entosis.
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Affiliation(s)
- Junjiang Liu
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Lei Wang
- Department of Urology, The First Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Yunxia Zhang
- Department of Obstetrics and Gynecology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Shoubin Li
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Fuzhen Sun
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Gang Wang
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Tao Yang
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Dong Wei
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Liuxiong Guo
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
| | - Helong Xiao
- Department of Urology, Hebei General Hospital, Shijiazhuang, Hebei 050051, P.R. China
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35
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Pentimalli F, Grelli S, Di Daniele N, Melino G, Amelio I. Cell death pathologies: targeting death pathways and the immune system for cancer therapy. Genes Immun 2018; 20:539-554. [PMID: 30563970 PMCID: PMC6451632 DOI: 10.1038/s41435-018-0052-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2018] [Revised: 10/25/2018] [Accepted: 11/13/2018] [Indexed: 12/15/2022]
Abstract
Alterations in the molecular mechanisms of cell death are a common feature of cancer. These alterations enable malignant cells to survive intrinsic death signalling leading to accumulation of genetic aberrations and helping them to cope with adverse conditions. Regulated cell death has historically been exclusively associated with classical apoptosis; however, increasing evidence indicates that several alternative mechanisms orchestrate multiple death pathways, such as ferroptosis, entosis, necroptosis and immunogenic cell death, each with distinct underlying molecular mechanisms. Although pharmacological targeting of cell death pathways has been the subject of intensive efforts in recent decades with a dominant focus on targeting apoptosis, the identification of these novel death pathways has opened additional venues for intervention in cancer cells and the immune system. In this mini-review, we cover some recent progress on major recently emerged cell death modalities, emphasizing their potential clinical and therapeutic implications. We also discuss the interplay between cell death and immune response, highlighting the potential of the combination of traditional anticancer therapy and immunocheckpoint blockade. While attempting to stimulate discussion and draw attention to the possible clinical impact of these more recently emerged cell death modalities, we also cover the major progress achieved in translating strategies for manipulation of apoptotic pathways into the clinic, focusing on the attempts to target the anti-apoptotic protein BCL-2 and the tumour suppressor p53.
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Affiliation(s)
- Francesca Pentimalli
- Centro Ricerche Oncologiche Mercogliano (CROM), Istituto Nazionale Tumori - IRCCS -Fondazione G. Pascale, Naples, Italy
| | - Sandro Grelli
- Biochemistry Laboratory, Istituto Dermopatico Immacolata (IDI-IRCCS), 00100, Rome, Italy
| | - Nicola Di Daniele
- Biochemistry Laboratory, Istituto Dermopatico Immacolata (IDI-IRCCS), 00100, Rome, Italy
| | - Gerry Melino
- Biochemistry Laboratory, Istituto Dermopatico Immacolata (IDI-IRCCS), 00100, Rome, Italy.,Medical Research Council, Toxicology Unit, University of Cambridge, Hodgkin Building, Lancaster Road, P.O. Box 138, Leicester, LE1 9HN, UK
| | - Ivano Amelio
- Medical Research Council, Toxicology Unit, University of Cambridge, Hodgkin Building, Lancaster Road, P.O. Box 138, Leicester, LE1 9HN, UK.
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36
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Abstract
Cell-in-cell structures are reported in numerous cancers, and their presence is an indicator for poor prognosis. Mechanistic studies have identified how cancer cells manage to ingest whole neighbouring cells to form such structures, and the consequences of cell-in-cell formation on cancer progression have been elucidated. In this Opinion article, we discuss how two related cell-in-cell processes, cell cannibalism and entosis, are regulated and how these mechanisms promote cancer progression. We propose that cannibalistic activity is a hallmark of cancer that results in part from selection by metabolic stress and serves to feed aggressive cancer cells.
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Affiliation(s)
- Stefano Fais
- Department of Oncology and Molecular Medicine, National Institute of Health, Rome, Italy.
| | - Michael Overholtzer
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA.
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37
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Kojima R, Fussenegger M. Engineering Whole Mammalian Cells for Target-Cell-Specific Invasion/Fusion. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1700971. [PMID: 30027033 PMCID: PMC6051388 DOI: 10.1002/advs.201700971] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/27/2018] [Indexed: 06/08/2023]
Abstract
Live mammalian cells are equipped with a synthetic cell invasion system that enables their target-specific insertion into other live mammalian cells. By conjugating RhoA activator to a transmembrane protein that is segregated from cell-cell interface when specific cell contact occurs, polarization of RhoA activity is synthetically induced inside the cells in response to specific cell contact. This polarization is a sufficient condition for invader cells to selectively penetrate cells expressing a target antigen. Further, when an acid-responsive fusogenic protein is expressed on invader cells, invader/receiver cell fusion occurs after invasion, and the invader's intracellular contents are released into the recipient's cytosol. It is shown that this system can be used for specific cell ablation. This synthetic-biology-inspired cell invasion/fusion system might open the door to using whole mammalian cells for cargo delivery purposes or for ablation of a specific cell type.
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Affiliation(s)
- Ryosuke Kojima
- Department of Biosystems Science and Engineering (D‐BSSE)ETH ZurichMattenstrasse 264058BaselSwitzerland
- Graduate School of MedicineThe University of Tokyo7‐3‐1 HongoBunkyo‐kuTokyo113‐0033Japan
| | - Martin Fussenegger
- Department of Biosystems Science and Engineering (D‐BSSE)ETH ZurichMattenstrasse 264058BaselSwitzerland
- Faculty of ScienceUniversity of BaselMattenstrasse 264058BaselSwitzerland
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38
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Durgan J, Florey O. Cancer cell cannibalism: Multiple triggers emerge for entosis. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2018; 1865:831-841. [PMID: 29548938 DOI: 10.1016/j.bbamcr.2018.03.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Revised: 03/02/2018] [Accepted: 03/06/2018] [Indexed: 12/22/2022]
Abstract
Entosis is a form of epithelial cell engulfment and cannibalism prevalent in human cancer. Until recently, the only known trigger for entosis was loss of attachment to the extracellular matrix, as often occurs in the tumour microenvironment. However, two new studies now reveal that entosis can also occur among adherent epithelial cells, induced by mitosis or glucose starvation. Together, these findings point to the intriguing notion that certain hallmark properties of cancer cells, including anchorage independence, aberrant proliferation and metabolic stress, can converge on the induction of cell cannibalism, a phenomenon so frequently observed in tumours. In this review, we explore the molecular, cellular and biophysical mechanisms underlying entosis and discuss the impact of cell cannibalism on tumour biology.
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Affiliation(s)
- J Durgan
- Babraham Institute, Cambridge, UK.
| | - O Florey
- Babraham Institute, Cambridge, UK
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39
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Zheng Y, Ouyang Q, Fu R, Liu L, Zhang H, Hu X, Liu Y, Chen Y, Gao N. The cyclohexene derivative MC-3129 exhibits antileukemic activity via RhoA/ROCK1/PTEN/PI3K/Akt pathway-mediated mitochondrial translocation of cofilin. Cell Death Dis 2018; 9:656. [PMID: 29844397 PMCID: PMC5974298 DOI: 10.1038/s41419-018-0689-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 03/31/2018] [Accepted: 05/09/2018] [Indexed: 01/24/2023]
Abstract
The effects of MC-3129, a synthetic cyclohexene derivative, on cell viability and apoptosis have been investigated in human leukemia cells. Exposure of leukemia cells to MC-3129 led to the inhibition of cell viability and induction of apoptosis through the dephosphorylation and mitochondrial translocation of cofilin. A mechanistic study revealed that interruption of the RhoA/ROCK1/PTEN/PI3K/Akt signaling pathway plays a crucial role in the MC-3129-mediated dephosphorylation and mitochondrial translocation of cofilin and induction of apoptosis. Our in vivo study also showed that the MC-3129-mediated inhibition of the tumor growth in a mouse leukemia xenograft model is associated with the interruption of ROCK1/PTEN/PI3K/Akt signaling and apoptosis. Molecular docking suggested that MC-3129 might activate the RhoA/ROCK1 pathway by targeting LPAR2. Collectively, these findings suggest a hierarchical model, in which the induction of apoptosis by MC-3129 primarily results from the activation of RhoA/ROCK1/PTEN and inactivation of PI3K/Akt, leading to the dephosphorylation and mitochondrial translocation of cofilin, and culminating in cytochrome c release, caspase activation, and apoptosis. Our study reveals a novel role for RhoA/ROCK1/PTEN/PI3K/Akt signaling in the regulation of mitochondrial translocation of cofilin and apoptosis and suggests MC-3129 as a potential drug for the treatment of human leukemia.
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Affiliation(s)
- Yi Zheng
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | - Qin Ouyang
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | - Ruoqiu Fu
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | - Lei Liu
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | - Hongwei Zhang
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | | | - Yanxia Liu
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China
| | - Yingchun Chen
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China.
| | - Ning Gao
- College of Pharmacy, Third Military Medical University, 400038, Chongqing, China.
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40
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Galluzzi L, Vitale I, Aaronson SA, Abrams JM, Adam D, Agostinis P, Alnemri ES, Altucci L, Amelio I, Andrews DW, Annicchiarico-Petruzzelli M, Antonov AV, Arama E, Baehrecke EH, Barlev NA, Bazan NG, Bernassola F, Bertrand MJM, Bianchi K, Blagosklonny MV, Blomgren K, Borner C, Boya P, Brenner C, Campanella M, Candi E, Carmona-Gutierrez D, Cecconi F, Chan FKM, Chandel NS, Cheng EH, Chipuk JE, Cidlowski JA, Ciechanover A, Cohen GM, Conrad M, Cubillos-Ruiz JR, Czabotar PE, D'Angiolella V, Dawson TM, Dawson VL, De Laurenzi V, De Maria R, Debatin KM, DeBerardinis RJ, Deshmukh M, Di Daniele N, Di Virgilio F, Dixit VM, Dixon SJ, Duckett CS, Dynlacht BD, El-Deiry WS, Elrod JW, Fimia GM, Fulda S, García-Sáez AJ, Garg AD, Garrido C, Gavathiotis E, Golstein P, Gottlieb E, Green DR, Greene LA, Gronemeyer H, Gross A, Hajnoczky G, Hardwick JM, Harris IS, Hengartner MO, Hetz C, Ichijo H, Jäättelä M, Joseph B, Jost PJ, Juin PP, Kaiser WJ, Karin M, Kaufmann T, Kepp O, Kimchi A, Kitsis RN, Klionsky DJ, Knight RA, Kumar S, Lee SW, Lemasters JJ, Levine B, Linkermann A, Lipton SA, Lockshin RA, López-Otín C, Lowe SW, Luedde T, Lugli E, MacFarlane M, Madeo F, Malewicz M, Malorni W, Manic G, Marine JC, Martin SJ, Martinou JC, Medema JP, Mehlen P, Meier P, Melino S, Miao EA, Molkentin JD, Moll UM, Muñoz-Pinedo C, Nagata S, Nuñez G, Oberst A, Oren M, Overholtzer M, Pagano M, Panaretakis T, Pasparakis M, Penninger JM, Pereira DM, Pervaiz S, Peter ME, Piacentini M, Pinton P, Prehn JHM, Puthalakath H, Rabinovich GA, Rehm M, Rizzuto R, Rodrigues CMP, Rubinsztein DC, Rudel T, Ryan KM, Sayan E, Scorrano L, Shao F, Shi Y, Silke J, Simon HU, Sistigu A, Stockwell BR, Strasser A, Szabadkai G, Tait SWG, Tang D, Tavernarakis N, Thorburn A, Tsujimoto Y, Turk B, Vanden Berghe T, Vandenabeele P, Vander Heiden MG, Villunger A, Virgin HW, Vousden KH, Vucic D, Wagner EF, Walczak H, Wallach D, Wang Y, Wells JA, Wood W, Yuan J, Zakeri Z, Zhivotovsky B, Zitvogel L, Melino G, Kroemer G. Molecular mechanisms of cell death: recommendations of the Nomenclature Committee on Cell Death 2018. Cell Death Differ 2018; 25:486-541. [PMID: 29362479 PMCID: PMC5864239 DOI: 10.1038/s41418-017-0012-4] [Citation(s) in RCA: 3846] [Impact Index Per Article: 641.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Accepted: 10/13/2017] [Indexed: 02/06/2023] Open
Abstract
Over the past decade, the Nomenclature Committee on Cell Death (NCCD) has formulated guidelines for the definition and interpretation of cell death from morphological, biochemical, and functional perspectives. Since the field continues to expand and novel mechanisms that orchestrate multiple cell death pathways are unveiled, we propose an updated classification of cell death subroutines focusing on mechanistic and essential (as opposed to correlative and dispensable) aspects of the process. As we provide molecularly oriented definitions of terms including intrinsic apoptosis, extrinsic apoptosis, mitochondrial permeability transition (MPT)-driven necrosis, necroptosis, ferroptosis, pyroptosis, parthanatos, entotic cell death, NETotic cell death, lysosome-dependent cell death, autophagy-dependent cell death, immunogenic cell death, cellular senescence, and mitotic catastrophe, we discuss the utility of neologisms that refer to highly specialized instances of these processes. The mission of the NCCD is to provide a widely accepted nomenclature on cell death in support of the continued development of the field.
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Affiliation(s)
- Lorenzo Galluzzi
- Department of Radiation Oncology, Weill Cornell Medical College, New York, NY, USA.
- Sandra and Edward Meyer Cancer Center, New York, NY, USA.
- Paris Descartes/Paris V University, Paris, France.
| | - Ilio Vitale
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
- Unit of Cellular Networks and Molecular Therapeutic Targets, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, Rome, Italy
| | - Stuart A Aaronson
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John M Abrams
- Department of Cell Biology, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Dieter Adam
- Institute of Immunology, Kiel University, Kiel, Germany
| | - Patrizia Agostinis
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Emad S Alnemri
- Department of Biochemistry and Molecular Biology, Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA, USA
| | - Lucia Altucci
- Department of Biochemistry, Biophysics and General Pathology, University of Campania "Luigi Vanvitelli", Napoli, Italy
| | - Ivano Amelio
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
| | - David W Andrews
- Biological Sciences, Sunnybrook Research Institute, Toronto, Canada
- Department of Biochemistry, University of Toronto, Toronto, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Canada
| | | | - Alexey V Antonov
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
| | - Eli Arama
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Eric H Baehrecke
- Department of Molecular, Cell and Cancer Biology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Nickolai A Barlev
- Institute of Cytology, Russian Academy of Sciences, Saint-Petersburg, Russia
| | - Nicolas G Bazan
- Neuroscience Center of Excellence, Louisiana State University School of Medicine, New Orleans, LA, USA
| | - Francesca Bernassola
- Department of Experimental Medicine and Surgery, University of Rome "Tor Vergata", Rome, Italy
| | - Mathieu J M Bertrand
- VIB Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Katiuscia Bianchi
- Centre for Molecular Oncology, Barts Cancer Institute, Queen Mary University of London, London, UK
| | | | - Klas Blomgren
- Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden
- Department of Pediatric Oncology, Karolinska University Hospital, Stockholm, Sweden
| | - Christoph Borner
- Institute of Molecular Medicine and Cell Research, Albert Ludwigs University, Freiburg, Germany
- Spemann Graduate School of Biology and Medicine (SGBM), Faculty of Medicine, Albert Ludwigs University, Freiburg, Germany
| | - Patricia Boya
- Department of Cellular and Molecular Biology, Center for Biological Investigation (CIB), Spanish National Research Council (CSIC), Madrid, Spain
| | - Catherine Brenner
- INSERM U1180, Châtenay Malabry, France
- University of Paris Sud/Paris Saclay, Orsay, France
| | - Michelangelo Campanella
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
- Unit of Cellular Networks and Molecular Therapeutic Targets, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, Rome, Italy
- Department of Comparative Biomedical Sciences, The Royal Veterinary College, University of London, London, UK
- University College London Consortium for Mitochondrial Research, London, UK
| | - Eleonora Candi
- Biochemistry Laboratory, Dermopatic Institute of Immaculate (IDI) IRCCS, Rome, Italy
- Department of Experimental Medicine and Surgery, University of Rome "Tor Vergata", Rome, Italy
| | | | - Francesco Cecconi
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
- Unit of Cell Stress and Survival, Danish Cancer Society Research Center, Copenhagen, Denmark
- Department of Pediatric Hematology and Oncology, Bambino Gesù Children's Hospital IRCCS, Rome, Italy
| | - Francis K-M Chan
- Department of Pathology, University of Massachusetts Medical School, Worcester, MA, USA
| | - Navdeep S Chandel
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Emily H Cheng
- Human Oncology and Pathogenesis Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Jerry E Chipuk
- Department of Oncological Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - John A Cidlowski
- Signal Transduction Laboratory, National Institute of Environmental Health Sciences, NIH, Research Triangle Park, NC, USA
| | - Aaron Ciechanover
- Technion Integrated Cancer Center (TICC), The Ruth and Bruce Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel
| | - Gerald M Cohen
- Department of Molecular and Clinical Cancer Medicine, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Center Munich, German Research Center for Environmental Health (GmbH), Munich, Germany
| | - Juan R Cubillos-Ruiz
- Sandra and Edward Meyer Cancer Center, New York, NY, USA
- Department of Obstetrics and Gynecology, Weill Cornell Medical College, New York, NY, USA
| | - Peter E Czabotar
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
| | - Vincenzo D'Angiolella
- Cancer Research UK and Medical Research Council Institute for Radiation Oncology, Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford, UK
| | - Ted M Dawson
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Valina L Dawson
- Neuroregeneration and Stem Cell Programs, Institute for Cell Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Solomon H. Snyder Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA
- Department of Physiology, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Vincenzo De Laurenzi
- Department of Medical, Oral and Biotechnological Sciences, CeSI-MetUniversity of Chieti-Pescara "G. d'Annunzio", Chieti, Italy
| | - Ruggero De Maria
- Institute of General Pathology, Catholic University "Sacro Cuore", Rome, Italy
| | - Klaus-Michael Debatin
- Department of Pediatrics and Adolescent Medicine, Ulm University Medical Center, Ulm, Germany
| | - Ralph J DeBerardinis
- Children's Medical Center Research Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Mohanish Deshmukh
- Department of Cell Biology and Physiology, Neuroscience Center, University of North Carolina, Chapel Hill, NC, USA
| | - Nicola Di Daniele
- Hypertension and Nephrology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy
| | - Francesco Di Virgilio
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
| | - Vishva M Dixit
- Department of Physiological Chemistry, Genentech, South San Francisco, CA, USA
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Colin S Duckett
- Baylor Scott & White Research Institute, Baylor College of Medicine, Dallas, TX, USA
| | - Brian D Dynlacht
- Department of Pathology, New York University School of Medicine, New York, NY, USA
- Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine, New York, NY, USA
| | - Wafik S El-Deiry
- Laboratory of Translational Oncology and Experimental Cancer Therapeutics, Department of Hematology/Oncology, Fox Chase Cancer Center, Philadelphia, PA, USA
- Molecular Therapeutics Program, Fox Chase Cancer Center, Philadelphia, PA, USA
| | - John W Elrod
- Center for Translational Medicine, Department of Pharmacology, Lewis Katz School of Medicine at Temple University School of Medicine, Philadelphia, PA, USA
| | - Gian Maria Fimia
- National Institute for Infectious Diseases IRCCS "Lazzaro Spallanzani", Rome, Italy
- Department of Biological and Environmental Sciences and Technologies (DiSTeBA), University of Salento, Lecce, Italy
| | - Simone Fulda
- Institute for Experimental Cancer Research in Pediatrics, Goethe-University Frankfurt, Frankfurt, Germany
- German Cancer Consortium (DKTK), Partner Site, Frankfurt, Germany
- German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Ana J García-Sáez
- Interfaculty Institute of Biochemistry, Tübingen University, Tübingen, Germany
| | - Abhishek D Garg
- Cell Death Research & Therapy (CDRT) Lab, Department of Cellular & Molecular Medicine, KU Leuven, Leuven, Belgium
| | - Carmen Garrido
- INSERM U1231 "Lipides Nutrition Cancer", Dijon, France
- Faculty of Medicine, University of Burgundy France Comté, Dijon, France
- Cancer Centre Georges François Leclerc, Dijon, France
| | - Evripidis Gavathiotis
- Department of Biochemistry, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
- Albert Einstein Cancer Center, Albert Einstein College of Medicine, Bronx, NY, USA
- Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Pierre Golstein
- Immunology Center of Marseille-Luminy, Aix Marseille University, Marseille, France
| | - Eyal Gottlieb
- Technion Integrated Cancer Center (TICC), The Ruth and Bruce Rappaport Faculty of Medicine and Research Institute, Technion-Israel Institute of Technology, Haifa, Israel
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Douglas R Green
- Department of Immunology, St Jude Children's Research Hospital, Memphis, TN, USA
| | - Lloyd A Greene
- Department of Pathology and Cell Biology, Columbia University College of Physicians and Surgeons, New York, NY, USA
| | - Hinrich Gronemeyer
- Team labeled "Ligue Contre le Cancer", Department of Functional Genomics and Cancer, Institute of Genetics and Molecular and Cellular Biology (IGBMC), Illkirch, France
- CNRS UMR 7104, Illkirch, France
- INSERM U964, Illkirch, France
- University of Strasbourg, Illkirch, France
| | - Atan Gross
- Department of Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Gyorgy Hajnoczky
- MitoCare Center, Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, Philadelphia, PA, USA
| | - J Marie Hardwick
- Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, USA
| | - Isaac S Harris
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
| | | | - Claudio Hetz
- Biomedical Neuroscience Institute, Faculty of Medicine, University of Chile, Santiago, Chile
- Center for Geroscience, Brain Health and Metabolism, Santiago, Chile
- Cellular and Molecular Biology Program, Institute of Biomedical Sciences, University of Chile, Santiago, Chile
| | - Hidenori Ichijo
- Laboratory of Cell Signaling, Graduate School of Pharmaceutical Sciences, The University of Tokyo, Tokyo, Japan
| | - Marja Jäättelä
- Cell Death and Metabolism Unit, Center for Autophagy, Recycling and Disease, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Bertrand Joseph
- Toxicology Unit, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
| | - Philipp J Jost
- III Medical Department for Hematology and Oncology, Technical University Munich, Munich, Germany
| | - Philippe P Juin
- Team 8 "Stress adaptation and tumor escape", CRCINA-INSERM U1232, Nantes, France
- University of Nantes, Nantes, France
- University of Angers, Angers, France
- Institute of Cancer Research in Western France, Saint-Herblain, France
| | - William J Kaiser
- Department of Microbiology, Immunology and Molecular Genetics, University of Texas Health Science Center, San Antonio, TX, USA
| | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, University of California San Diego, La Jolla, CA, USA
- Department of Pathology, University of California San Diego, La Jolla, CA, USA
- Department of Pharmacology, University of California San Diego, La Jolla, CA, USA
- Moores Cancer Center, University of California San Diego, La Jolla, CA, USA
| | - Thomas Kaufmann
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Oliver Kepp
- Paris Descartes/Paris V University, Paris, France
- Faculty of Medicine, Paris Sud/Paris XI University, Kremlin-Bicêtre, France
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Campus, Villejuif, France
- Team 11 labeled "Ligue Nationale contre le Cancer", Cordeliers Research Center, Paris, France
- INSERM U1138, Paris, France
- Pierre et Marie Curie/Paris VI University, Paris, France
| | - Adi Kimchi
- Department of Molecular Genetics, Weizmann Institute of Science, Rehovot, Israel
| | - Richard N Kitsis
- Department of Medicine, Albert Einstein College of Medicine, Bronx, NY, USA
- Albert Einstein Cancer Center, Albert Einstein College of Medicine, Bronx, NY, USA
- Wilf Family Cardiovascular Research Institute, Albert Einstein College of Medicine, Bronx, NY, USA
- Department of Cell Biology, Albert Einstein College of Medicine, Bronx, NY, USA
- Einstein-Mount Sinai Diabetes Research Center, Albert Einstein College of Medicine, Bronx, NY, USA
| | - Daniel J Klionsky
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, MI, USA
- Life Sciences Institute, University of Michigan, Ann Arbor, MI, USA
| | - Richard A Knight
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
| | - Sharad Kumar
- Centre for Cancer Biology, University of South Australia and SA Pathology, Adelaide, South Australia, Australia
| | - Sam W Lee
- Cutaneous Biology Research Center, Massachusetts General Hospital and Harvard Medical School, Charlestown, MA, USA
| | - John J Lemasters
- Center for Cell Death, Injury and Regeneration, Department of Drug Discovery & Biomedical Sciences, Medical University of South Carolina, Charleston, SC, USA
- Center for Cell Death, Injury and Regeneration, Department of Biochemistry & Molecular Biology, Medical University of South Carolina, Charleston, SC, USA
| | - Beth Levine
- Center for Autophagy Research, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA
- Howard Hughes Medical Institute, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Andreas Linkermann
- Division of Nephrology, University Hospital Carl Gustav Carus Dresden, Dresden, Germany
| | - Stuart A Lipton
- Department of Molecular Medicine, The Scripps Research Institute, La Jolla, CA, USA
- Department of Neuroscience, The Scripps Research Institute, La Jolla, CA, USA
- Neuroscience Translational Center, The Scripps Research Institute, La Jolla, CA, USA
| | - Richard A Lockshin
- Department of Biology, St. John's University, Queens, NY, USA
- Queens College of the City University of New York, Queens, NY, USA
| | - Carlos López-Otín
- Departament of Biochemistry and Molecular Biology, Faculty of Medicine, University Institute of Oncology of Asturias (IUOPA), University of Oviedo, Oviedo, Spain
| | - Scott W Lowe
- Howard Hughes Medical Institute, The Rockefeller University, New York, NY, USA
- Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Tom Luedde
- Division of Gastroenterology, Hepatology and Hepatobiliary Oncology, University Hospital RWTH Aachen, Aachen, Germany
| | - Enrico Lugli
- Laboratory of Translational Immunology, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
- Humanitas Flow Cytometry Core, Humanitas Clinical and Research Center, Rozzano, Milan, Italy
| | - Marion MacFarlane
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
| | - Frank Madeo
- Department Institute of Molecular Biosciences, NAWI Graz, University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
| | - Michal Malewicz
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
| | - Walter Malorni
- National Centre for Gender Medicine, Italian National Institute of Health (ISS), Rome, Italy
| | - Gwenola Manic
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
- Unit of Cellular Networks and Molecular Therapeutic Targets, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, Rome, Italy
| | - Jean-Christophe Marine
- Laboratory for Molecular Cancer Biology, VIB Center for Cancer Biology, Leuven, Belgium
- Laboratory for Molecular Cancer Biology, Department of Oncology, KU Leuven, Leuven, Belgium
| | - Seamus J Martin
- Departments of Genetics, Trinity College, University of Dublin, Dublin 2, Ireland
| | - Jean-Claude Martinou
- Department of Cell Biology, Faculty of Sciences, University of Geneva, Geneva, Switzerland
| | - Jan Paul Medema
- Laboratory for Experimental Oncology and Radiobiology (LEXOR), Center for Experimental Molecular Medicine (CEMM), Academic Medical Center (AMC), University of Amsterdam, Amsterdam, The Netherlands
- Cancer Genomics Center, Amsterdam, The Netherlands
| | - Patrick Mehlen
- Apoptosis, Cancer and Development laboratory, CRCL, Lyon, France
- Team labeled "La Ligue contre le Cancer", Lyon, France
- LabEx DEVweCAN, Lyon, France
- INSERM U1052, Lyon, France
- CNRS UMR5286, Lyon, France
- Department of Translational Research and Innovation, Léon Bérard Cancer Center, Lyon, France
| | - Pascal Meier
- The Breast Cancer Now Toby Robins Research Centre, Institute of Cancer Research, Mary-Jean Mitchell Green Building, Chester Beatty Laboratories, London, UK
| | - Sonia Melino
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Rome, Italy
| | - Edward A Miao
- Department of Microbiology and Immunology, University of North Carolina, Chapel Hill, NC, USA
- Lineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, NC, USA
- Center for Gastrointestinal Biology and Disease, University of North Carolina, Chapel Hill, NC, USA
| | - Jeffery D Molkentin
- Howard Hughes Medical Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ute M Moll
- Department of Pathology, Stony Brook University, Stony Brook, NY, USA
| | - Cristina Muñoz-Pinedo
- Cell Death Regulation Group, Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), Hospitalet de Llobregat, Barcelona, Spain
| | - Shigekazu Nagata
- Laboratory of Biochemistry and Immunology, World Premier International (WPI) Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
| | - Gabriel Nuñez
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, USA
- Comprehensive Cancer Center, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Andrew Oberst
- Department of Immunology, University of Washington, Seattle, WA, USA
- Center for Innate Immunity and Immune Disease, Seattle, WA, USA
| | - Moshe Oren
- Department of Molecular Cell Biology, Weizmann Institute, Rehovot, Israel
| | - Michael Overholtzer
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, USA
| | - Michele Pagano
- Laura and Isaac Perlmutter Cancer Center, New York University School of Medicine, New York, NY, USA
- Department of Biochemistry and Molecular Pharmacology, New York University School of Medicine, New York, NY, USA
- Howard Hughes Medical Institute, New York University School of Medicine, New York, NY, USA
| | - Theocharis Panaretakis
- Department of Genitourinary Medical Oncology, University of Texas, MD Anderson Cancer Center, Houston, TX, USA
- Department of Oncology-Pathology, Karolinska Institute, Stockholm, Sweden
| | - Manolis Pasparakis
- Institute for Genetics, Center for Molecular Medicine (CMMC), University of Cologne, Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, Cologne, Germany
| | - Josef M Penninger
- Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Campus Vienna BioCentre, Vienna, Austria
| | - David M Pereira
- REQUIMTE/LAQV, Laboratory of Pharmacognosy, Department of Chemistry, Faculty of Pharmacy, University of Porto, Porto, Portugal
| | - Shazib Pervaiz
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
- NUS Graduate School for Integrative Sciences and Engineering, National University of Singapore, Singapore, Singapore
- National University Cancer Institute, National University Health System (NUHS), Singapore, Singapore
| | - Marcus E Peter
- Division of Hematology/Oncology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
- Department of Biochemistry and Molecular Genetics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA
| | - Mauro Piacentini
- Department of Biology, University of Rome "Tor Vergata", Rome, Italy
- National Institute for Infectious Diseases IRCCS "Lazzaro Spallanzani", Rome, Italy
| | - Paolo Pinton
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, Ferrara, Italy
- LTTA center, University of Ferrara, Ferrara, Italy
- Maria Cecilia Hospital, GVM Care & Research, Health Science Foundation, Cotignola, Italy
| | - Jochen H M Prehn
- Department of Physiology, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Hamsa Puthalakath
- Department of Biochemistry, La Trobe University, Victoria, Australia
| | - Gabriel A Rabinovich
- Laboratory of Immunopathology, Institute of Biology and Experimental Medicine (IBYME), National Council of Scientific and Technical Research (CONICET), Buenos Aires, Argentina
- Department of Biological Chemistry, Faculty of Exact and Natural Sciences, University of Buenos Aires, Buenos Aires, Argentina
| | - Markus Rehm
- Institute of Cell Biology and Immunology, University of Stuttgart, Stuttgart, Germany
- Stuttgart Research Center Systems Biology, Stuttgart, Germany
| | - Rosario Rizzuto
- Department of Biomedical Sciences, University of Padua, Padua, Italy
| | - Cecilia M P Rodrigues
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, University of Lisbon, Lisbon, Portugal
| | - David C Rubinsztein
- Department of Medical Genetics, Cambridge Institute for Medical Research (CIMR), University of Cambridge, Cambridge, UK
| | - Thomas Rudel
- Department of Microbiology, Biocenter, University of Würzburg, Würzburg, Germany
| | - Kevin M Ryan
- Cancer Research UK Beatson Institute, Glasgow, UK
| | - Emre Sayan
- Cancer Sciences Unit, Faculty of Medicine, University of Southampton, Southampton, UK
| | - Luca Scorrano
- Department of Biology, University of Padua, Padua, Italy
- Venetian Institute of Molecular Medicine, Padua, Italy
| | - Feng Shao
- National Institute of Biological Sciences, Beijing, China
| | - Yufang Shi
- Key Laboratory of Stem Cell Biology, Institute of Health Sciences, Chinese Academy of Sciences, Shanghai, China
- Jiangsu Key Laboratory of Stem Cells and Medicinal Biomaterials, Institutes for Translational Medicine, Soochow University, Suzhou, China
- The First Affiliated Hospital of Soochow University, Institutes for Translational Medicine, Soochow University, Suzhou, China
| | - John Silke
- Department of Medical Biology, The University of Melbourne, Melbourne, Victoria, Australia
- Division of Inflammation, Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
| | - Hans-Uwe Simon
- Institute of Pharmacology, University of Bern, Bern, Switzerland
| | - Antonella Sistigu
- Institute of General Pathology, Catholic University "Sacro Cuore", Rome, Italy
- Unit of Tumor Immunology and Immunotherapy, Department of Research, Advanced Diagnostics and Technological Innovation, Regina Elena National Cancer Institute, Rome, Italy
| | - Brent R Stockwell
- Department of Biological Sciences, Columbia University, New York, NY, USA
- Department of Chemistry, Columbia University, New York, NY, USA
| | - Andreas Strasser
- The Walter and Eliza Hall Institute of Medical Research, Melbourne, Victoria, Australia
| | - Gyorgy Szabadkai
- Department of Biomedical Sciences, University of Padua, Padua, Italy
- Department of Cell and Developmental Biology, University College London Consortium for Mitochondrial Research, London, UK
- Francis Crick Institute, London, UK
| | | | - Daolin Tang
- The Third Affiliated Hospital, Guangzhou Medical University, Guangzhou, Guangdong, China
- Center for DAMP Biology, Guangzhou Medical University, Guangzhou, Guangdong, China
- Key Laboratory for Major Obstetric Diseases of Guangdong Province, Guangzhou Medical University, Guangzhou, Guangdong, China
- Key Laboratory of Reproduction and Genetics of Guangdong Higher Education Institutes, Guangzhou Medical University, Guangzhou, Guangdong, China
- Key Laboratory for Protein Modification and Degradation of Guangdong Province, Guangzhou Medical University, Guangzhou, Guangdong, China
- Department of Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas Medical School, University of Crete, Heraklion, Greece
| | - Andrew Thorburn
- Department of Pharmacology, University of Colorado, Aurora, CO, USA
| | | | - Boris Turk
- Department Biochemistry and Molecular Biology, "Jozef Stefan" Institute, Ljubljana, Slovenia
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
| | - Tom Vanden Berghe
- VIB Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Peter Vandenabeele
- VIB Center for Inflammation Research (IRC), Ghent, Belgium
- Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium
| | - Matthew G Vander Heiden
- Koch Institute for Integrative Cancer Research, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Biology, Massachusetts Institute of Technology, Cambridge, MA, USA
- Department of Medical Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, MA, USA
| | - Andreas Villunger
- Division of Developmental Immunology, Innsbruck Medical University, Innsbruck, Austria
| | - Herbert W Virgin
- Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO, USA
| | | | - Domagoj Vucic
- Department of Early Discovery Biochemistry, Genentech, South San Francisco, CA, USA
| | - Erwin F Wagner
- Genes, Development and Disease Group, Cancer Cell Biology Program, Spanish National Cancer Research Centre (CNIO), Madrid, Spain
| | - Henning Walczak
- Centre for Cell Death, Cancer and Inflammation, UCL Cancer Institute, University College London, London, UK
| | - David Wallach
- Department of Biomolecular Sciences, Weizmann Institute of Science, Rehovot, Israel
| | - Ying Wang
- Institute of Health Sciences, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
| | - James A Wells
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA, USA
| | - Will Wood
- School of Cellular and Molecular Medicine, Faculty of Biomedical Sciences, University of Bristol, Bristol, UK
| | - Junying Yuan
- Department of Cell Biology, Harvard Medical School, Boston, MA, USA
- Interdisciplinary Research Center on Biology and Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai, China
| | - Zahra Zakeri
- Department of Biology, Queens College of the City University of New York, Queens, NY, USA
| | - Boris Zhivotovsky
- Toxicology Unit, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden
- Faculty of Fundamental Medicine, Lomonosov Moscow State University, Moscow, Russia
| | - Laurence Zitvogel
- Faculty of Medicine, Paris Sud/Paris XI University, Kremlin-Bicêtre, France
- Gustave Roussy Comprehensive Cancer Institute, Villejuif, France
- INSERM U1015, Villejuif, France
- Center of Clinical Investigations in Biotherapies of Cancer (CICBT) 1428, Villejuif, France
| | - Gerry Melino
- Medical Research Council (MRC) Toxicology Unit, Leicester University, Leicester, UK
- Department of Experimental Medicine and Surgery, University of Rome "Tor Vergata", Rome, Italy
| | - Guido Kroemer
- Paris Descartes/Paris V University, Paris, France.
- Department of Women's and Children's Health, Karolinska Institute, Stockholm, Sweden.
- Metabolomics and Cell Biology Platforms, Gustave Roussy Comprehensive Cancer Campus, Villejuif, France.
- Team 11 labeled "Ligue Nationale contre le Cancer", Cordeliers Research Center, Paris, France.
- INSERM U1138, Paris, France.
- Pierre et Marie Curie/Paris VI University, Paris, France.
- Biology Pole, European Hospital George Pompidou, AP-HP, Paris, France.
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Umeda S, Kanda M, Sugimoto H, Tanaka H, Hayashi M, Yamada S, Fujii T, Takami H, Niwa Y, Iwata N, Tanaka C, Kobayashi D, Fujiwara M, Kodera Y. Downregulation of GPR155 as a prognostic factor after curative resection of hepatocellular carcinoma. BMC Cancer 2017; 17:610. [PMID: 28863781 PMCID: PMC5580443 DOI: 10.1186/s12885-017-3629-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Accepted: 08/28/2017] [Indexed: 12/16/2022] Open
Abstract
Background Molecular biomarkers capable of predicting recurrence patterns and prognosis are helpful for risk stratification and providing appropriate treatment to patients with hepatocellular carcinoma (HCC). In this study, we focused on G protein-coupled receptor 155 (GPR155), a cell surface signaling protein, as a candidate biomarker. Methods We analyzed GPR155 expression, DNA methylation, and copy number in HCC cell lines. The clinical significance of GPR155 expression was evaluated using 144 pairs of surgically resected liver and normal tissues with subgroup analysis based on hepatitis virus infection. Results GPR155 mRNA expression levels were differential and were decreased in 89% of HCC cell lines. No DNA methylation was detected, whereas copy number alterations were present in five (56%) HCC cell lines. GPR155 mRNA expression level was independent of background liver status and significantly lower in HCC tissues than corresponding normal liver tissues. The expression patterns of GPR155 protein by immunohistochemical staining were significantly associated with those of GPR155 mRNA. Downregulation of GPR155 was significantly associated with more aggressive HCC phenotypes including high preoperative α-fetoprotein, poor differentiation, serosal infiltration, vascular invasion, and advanced disease stage. Patients with downregulation of GPR155 were more likely to have worse prognosis after curative resection irrespective of hepatitis virus infection. Patients who experienced extrahepatic (distant) recurrences had significantly lower GPR155 expression than those with intrahepatic (liver confined) recurrences. Conclusions Downregulation of GPR155 may serve as a prognosticator that also predicts initial recurrence sites independent of hepatitis virus infection. Electronic supplementary material The online version of this article (10.1186/s12885-017-3629-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Shinichi Umeda
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Mitsuro Kanda
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan.
| | - Hiroyuki Sugimoto
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Haruyoshi Tanaka
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Masamichi Hayashi
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Suguru Yamada
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Tsutomu Fujii
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Hideki Takami
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Yukiko Niwa
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Naoki Iwata
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Chie Tanaka
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Daisuke Kobayashi
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Michitaka Fujiwara
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
| | - Yasuhiro Kodera
- Department of Gastroenterological Surgery (Surgery II), Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya, 466-8550, Japan
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Hinojosa LS, Holst M, Baarlink C, Grosse R. MRTF transcription and Ezrin-dependent plasma membrane blebbing are required for entotic invasion. J Cell Biol 2017; 216:3087-3095. [PMID: 28774893 PMCID: PMC5626544 DOI: 10.1083/jcb.201702010] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 06/06/2017] [Accepted: 07/12/2017] [Indexed: 12/20/2022] Open
Abstract
Entosis is a nonapoptotic form of cell death initiated by actomyosin-dependent homotypic cell-in-cell invasion that can be observed in malignant exudates during tumor progression. We previously demonstrated formin-mediated actin dynamics at the rear of the invading cell as well as nonapoptotic plasma membrane (PM) blebbing in this cellular motile process. Although the contractile actin cortex involved in bleb-driven motility is well characterized, a role for transcriptional regulation in this process has not been studied. Here, we explore the impact of the actin-controlled MRTF-SRF (myocardin-related transcription factor-serum response factor) pathway for sustained PM blebbing and entotic invasion. We find that cortical blebbing is tightly coupled to MRTF nuclear shuttling to promote the SRF transcriptional activity required for entosis. Furthermore, PM blebbing triggered SRF-mediated up-regulation of the metastasis-associated ERM protein Ezrin. Notably, Ezrin is sufficient and important to sustain bleb dynamics for cell-in-cell invasion when SRF is suppressed. Our results highlight the critical role of the actin-regulated MRTF transcriptional pathway for bleb-associated invasive motility, such as during entosis.
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Affiliation(s)
- Laura Soto Hinojosa
- Institute of Pharmacology, Biochemisch-Pharmakologisches Centrum Marburg, University of Marburg, Marburg, Germany.,Deutsche Forschungsgemeinschaft Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, University of Marburg, Marburg, Germany
| | - Manuel Holst
- Institute of Pharmacology, Biochemisch-Pharmakologisches Centrum Marburg, University of Marburg, Marburg, Germany
| | - Christian Baarlink
- Institute of Pharmacology, Biochemisch-Pharmakologisches Centrum Marburg, University of Marburg, Marburg, Germany
| | - Robert Grosse
- Institute of Pharmacology, Biochemisch-Pharmakologisches Centrum Marburg, University of Marburg, Marburg, Germany .,Deutsche Forschungsgemeinschaft Research Training Group, Membrane Plasticity in Tissue Development and Remodeling, University of Marburg, Marburg, Germany
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43
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Durgan J, Tseng YY, Hamann JC, Domart MC, Collinson L, Hall A, Overholtzer M, Florey O. Mitosis can drive cell cannibalism through entosis. eLife 2017; 6:e27134. [PMID: 28693721 PMCID: PMC5505699 DOI: 10.7554/elife.27134] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Accepted: 06/13/2017] [Indexed: 12/12/2022] Open
Abstract
Entosis is a form of epithelial cell cannibalism that is prevalent in human cancer, typically triggered by loss of matrix adhesion. Here, we report an alternative mechanism for entosis in human epithelial cells, driven by mitosis. Mitotic entosis is regulated by Cdc42, which controls mitotic morphology. Cdc42 depletion enhances mitotic deadhesion and rounding, and these biophysical changes, which depend on RhoA activation and are phenocopied by Rap1 inhibition, permit subsequent entosis. Mitotic entosis occurs constitutively in some human cancer cell lines and mitotic index correlates with cell cannibalism in primary human breast tumours. Adherent, wild-type cells can act efficiently as entotic hosts, suggesting that normal epithelia may engulf and kill aberrantly dividing neighbours. Finally, we report that Paclitaxel/taxol promotes mitotic rounding and subsequent entosis, revealing an unconventional activity of this drug. Together, our data uncover an intriguing link between cell division and cannibalism, of significance to both cancer and chemotherapy.
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Affiliation(s)
- Joanne Durgan
- The Babraham Institute, Cambridge, United Kingdom
- Memorial Sloan Kettering Cancer Center, New York, United States
| | - Yun-Yu Tseng
- Memorial Sloan Kettering Cancer Center, New York, United States
- Weill Graduate School of Medical Sciences, Cornell University, New York, United States
| | - Jens C Hamann
- Memorial Sloan Kettering Cancer Center, New York, United States
- Louis V Gerstner Jr Graduate School of Biomedical Sciences, New York, United States
| | | | | | - Alan Hall
- Memorial Sloan Kettering Cancer Center, New York, United States
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44
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Ahmed N, Yang P, Huang Y, Chen H, Liu T, Wang L, Nabi F, Liu Y, Chen Q. Entosis Acts as a Novel Way within Sertoli Cells to Eliminate Spermatozoa in Seminiferous Tubule. Front Physiol 2017; 8:361. [PMID: 28611685 PMCID: PMC5447735 DOI: 10.3389/fphys.2017.00361] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Accepted: 05/16/2017] [Indexed: 01/14/2023] Open
Abstract
The present study was designed to investigate the hypothesis that in vivo entosis is a novel pathway for eliminating spermatozoa in the seminiferous tubules (ST) during hibernation of the Chinese soft-shelled turtle. Western blot analysis revealed that the expression of LAMP1 in the testis was significantly higher during hibernation than that during non-hibernation. Immunohistochemistry reaction showed that LAMP1-positive substance was distributed within the Sertoli cells of the testis. Further examination by transmission electron microscopy (TEM), many degraded spermatozoa being enwrapped within large entotic vacuoles in Sertoli cells. The nucleus and the flagellum of the spermatozoa were shown to be decomposed and digested inside entotic vacuoles within Sertoli cells. More than two spermatozoa heads were always observed in each internalized vacuoles. Deserving note is that, a number of different autophagosomes, including initial autophagic vesicles and degradative autophagic vesicles were found inside the entotic vacuoles of the Sertoli cells during hibernation. At the end of hibernation, entotic vacuoles and their autophagosomes disappeared, and numerous large lipid droplets (LDs) appeared within the Sertoli cells. Adherens junctions were apparent between Sertoli cells and developing germ cells, which is the ultrastructural basis of entosis. Taken together, the results presented here show that in the turtle: (1) entosis with internal autophagosomes can take place within normal body cells during hibernation; (2) spermatozoa, as a highly differentiated cell can be internalized and degraded within Sertoli cell by entosis in vivo, which is in favor of the next reproductive cycle in the turtle.
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Affiliation(s)
- Nisar Ahmed
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China.,Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences (LUAWMS)Uthal, Pakistan
| | - Ping Yang
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Yufei Huang
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Hong Chen
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Tengfei Liu
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Lingling Wang
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Fazul Nabi
- Faculty of Veterinary and Animal Sciences, Lasbela University of Agriculture, Water and Marine Sciences (LUAWMS)Uthal, Pakistan
| | - Yi Liu
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
| | - Qiusheng Chen
- Laboratory of Animal Cell Biology and Embryology, College of Veterinary Medicine, Nanjing Agricultural UniversityNanjing, China
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45
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Cancer stem cell niche models and contribution by mesenchymal stroma/stem cells. Mol Cancer 2017; 16:28. [PMID: 28148265 PMCID: PMC5286787 DOI: 10.1186/s12943-017-0595-x] [Citation(s) in RCA: 98] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 01/18/2017] [Indexed: 02/08/2023] Open
Abstract
Background The initiation and progression of malignant tumors is driven by distinct subsets of tumor-initiating or cancer stem-like cells (CSCs) which develop therapy/apoptosis resistance and self-renewal capacity. In order to be able to eradicate these CSCs with novel classes of anti-cancer therapeutics, a better understanding of their biology and clinically-relevant traits is mandatory. Main body Several requirements and functions of a CSC niche physiology are combined with current concepts for CSC generation such as development in a hierarchical tumor model, by stochastic processes, or via a retrodifferentiation program. Moreover, progressive adaptation of endothelial cells and recruited immune and stromal cells to the tumor site substantially contribute to generate a tumor growth-permissive environment resembling a CSC niche. Particular emphasis is put on the pivotal role of multipotent mesenchymal stroma/stem cells (MSCs) in supporting CSC development by various kinds of interaction and cell fusion to form hybrid tumor cells. Conclusion A better knowledge of CSC niche physiology may increase the chances that cancer stemness-depleting interventions ultimately result in arrest of tumor growth and metastasis.
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46
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Mesenchymal stem cells generate distinct functional hybrids in vitro via cell fusion or entosis. Sci Rep 2016; 6:36863. [PMID: 27827439 PMCID: PMC5101832 DOI: 10.1038/srep36863] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2016] [Accepted: 10/20/2016] [Indexed: 02/06/2023] Open
Abstract
Homotypic and heterotypic cell-to-cell fusion are key processes during development and tissue regeneration. Nevertheless, aberrant cell fusion can contribute to tumour initiation and metastasis. Additionally, a form of cell-in-cell structure called entosis has been observed in several human tumours. Here we investigate cell-to-cell interaction between mouse mesenchymal stem cells (MSCs) and embryonic stem cells (ESCs). MSCs represent an important source of adult stem cells since they have great potential for regenerative medicine, even though they are also involved in cancer progression. We report that MSCs can either fuse forming heterokaryons, or be invaded by ESCs through entosis. While entosis-derived hybrids never share their genomes and induce degradation of the target cell, fusion-derived hybrids can convert into synkaryons. Importantly we show that hetero-to-synkaryon transition occurs through cell division and not by nuclear membrane fusion. Additionally, we also observe that the ROCK-actin/myosin pathway is required for both fusion and entosis in ESCs but only for entosis in MSCs. Overall, we show that MSCs can undergo fusion or entosis in culture by generating distinct functional cellular entities. These two processes are profoundly different and their outcomes should be considered given the beneficial or possible detrimental effects of MSC-based therapeutic applications.
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47
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Bagnato A, Rosanò L. Endothelin-1 receptor drives invadopodia: Exploiting how β-arrestin-1 guides the way. Small GTPases 2016; 9:394-398. [PMID: 27690729 DOI: 10.1080/21541248.2016.1235526] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Metastatization is a complex multistep process requiring fine-tuned regulated cytoskeleton re-modeling, mediated by the cross-talk of actin with interacting partners, such as the Rho GTPases. Our expanding knowledge of invadopodia, small invasive membrane protrusions composed of a core of F-actin, actin regulators and actin-binding proteins, and hotspots for secretion of extracellular matrix (ECM) proteinases, contributes to clarify critical steps of the metastatic program. Growth factor receptors and their intermediate signaling molecules, along with matrix adhesion and rigidity, pH and hypoxia, act as drivers of cytoskeleton changes and invadopodia formation. We recently pro-posed a novel route map by which cancer cells regulates invadopodia dynamics supporting metastasis as response to the endothelin A receptor (ETAR), among the highly druggable G-protein coupled receptors in cancer. The metastatic behavior exhibited by ovarian cancer cells overe-xpressing ETAR is now explained by the interplay with β-arrestin1 (β-arr1), a scaffold protein acting as signal-integrating module of RhoC and cofilin signaling for specific invadopodia formation, accomplished by its interaction with a Rho guanine nucleotide exchange factor (GEF), PDZ-RhoGEF, in a G-protein independent manner. Here, we summarize this novel activation of the RhoC pathway from ETAR/β-arr1 signaling that may be exploited therapeutically and discuss new perspectives for future directions of investigations.
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Affiliation(s)
- Anna Bagnato
- a Preclinical Models and New Therapeutic Agents Unit, Translational Research Functional Departmental Area , Regina Elena National Cancer Institute , Rome , Italy
| | - Laura Rosanò
- a Preclinical Models and New Therapeutic Agents Unit, Translational Research Functional Departmental Area , Regina Elena National Cancer Institute , Rome , Italy
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48
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Krishna S, Overholtzer M. Mechanisms and consequences of entosis. Cell Mol Life Sci 2016; 73:2379-86. [PMID: 27048820 PMCID: PMC4889469 DOI: 10.1007/s00018-016-2207-0] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2016] [Accepted: 03/18/2016] [Indexed: 12/18/2022]
Abstract
Multiple mechanisms have emerged where the engulfment of whole live cells, leading to the formation of what are called 'cell-in-cell' structures, induces cell death. Entosis is one such mechanism that drives cell-in-cell formation during carcinogenesis and development. Curiously, entotic cells participate actively in their own engulfment, by invading into their hosts, and are then killed non-cell-autonomously. Here we review the mechanisms of entosis and entotic cell death and the consequences of entosis on cell populations.
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Affiliation(s)
- Shefali Krishna
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
- Louis V. Gerstner Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA
| | - Michael Overholtzer
- Cell Biology Program, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.
- Louis V. Gerstner Jr. Graduate School of Biomedical Sciences, Memorial Sloan Kettering Cancer Center, New York, NY, 10065, USA.
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49
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Cytoskeletal Symmetry Breaking and Chirality: From Reconstituted Systems to Animal Development. Symmetry (Basel) 2015. [DOI: 10.3390/sym7042062] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
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50
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Ramalingam N, Franke C, Jaschinski E, Winterhoff M, Lu Y, Brühmann S, Junemann A, Meier H, Noegel AA, Weber I, Zhao H, Merkel R, Schleicher M, Faix J. A resilient formin-derived cortical actin meshwork in the rear drives actomyosin-based motility in 2D confinement. Nat Commun 2015; 6:8496. [PMID: 26415699 PMCID: PMC4598863 DOI: 10.1038/ncomms9496] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Accepted: 08/27/2015] [Indexed: 12/17/2022] Open
Abstract
Cell migration is driven by the establishment of disparity between the cortical properties of the softer front and the more rigid rear allowing front extension and actomyosin-based rear contraction. However, how the cortical actin meshwork in the rear is generated remains elusive. Here we identify the mDia1-like formin A (ForA) from Dictyostelium discoideum that generates a subset of filaments as the basis of a resilient cortical actin sheath in the rear. Mechanical resistance of this actin compartment is accomplished by actin crosslinkers and IQGAP-related proteins, and is mandatory to withstand the increased contractile forces in response to mechanical stress by impeding unproductive blebbing in the rear, allowing efficient cell migration in two-dimensional-confined environments. Consistently, ForA supresses the formation of lateral protrusions, rapidly relocalizes to new prospective ends in repolarizing cells and is required for cortical integrity. Finally, we show that ForA utilizes the phosphoinositide gradients in polarized cells for subcellular targeting.
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Affiliation(s)
- Nagendran Ramalingam
- Anatomy III/Cell Biology, BioMedCenter, Ludwig-Maximilians-University, Grosshaderner Str. 9, Planegg-Martinsried, Germany
| | - Christof Franke
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
| | - Evelin Jaschinski
- Institute of Complex Systems, ICS-7: Biomechanics, Forschungszentrum Jülich GmbH, Jülich 52425 Germany
| | - Moritz Winterhoff
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
| | - Yao Lu
- Institute of Biotechnology, University of Helsinki, PO Box 56, Helsinki 00014, Finland
| | - Stefan Brühmann
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
| | - Alexander Junemann
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
| | - Helena Meier
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
| | - Angelika A Noegel
- Center for Biochemistry, Medical Faculty, University of Cologne, Köln 50931, Germany
| | - Igor Weber
- Division of Molecular Biology, Ruder Bošković Institute, Bijenička 54, Zagreb 10000, Croatia
| | - Hongxia Zhao
- Institute of Biotechnology, University of Helsinki, PO Box 56, Helsinki 00014, Finland
| | - Rudolf Merkel
- Institute of Complex Systems, ICS-7: Biomechanics, Forschungszentrum Jülich GmbH, Jülich 52425 Germany
| | - Michael Schleicher
- Anatomy III/Cell Biology, BioMedCenter, Ludwig-Maximilians-University, Grosshaderner Str. 9, Planegg-Martinsried, Germany
| | - Jan Faix
- Institute for Biophysical Chemistry, Hannover Medical School, Carl-Neuberg-Strasse 1, Hannover 30625, Germany
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