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Xu Z, Li J, Yan N, Liu X, Deng Y, Song Y. Phosphatidylserine and/or Sialic Acid Modified Liposomes Increase Uptake by Tumor-associated Macrophages and Enhance the Anti-tumor Effect. AAPS PharmSciTech 2024; 25:125. [PMID: 38834759 DOI: 10.1208/s12249-024-02837-3] [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: 01/07/2024] [Accepted: 05/13/2024] [Indexed: 06/06/2024] Open
Abstract
DOX liposomes have better therapeutic effects and lower toxic side effects. The targeting ability of liposomes is one of the key factors affecting the therapeutic effect of DOX liposomes. This study developed two types of targeted liposomes. Sialic acid (SA)-modified liposomes were designed to target the highly expressed Siglec-1 receptor on tumor-associated macrophages surface. Phosphatidylserine (PS)-modified liposomes were designed to promote phagocytosis by monocyte-derived macrophages through PS apoptotic signaling. In order to assess and compare the therapeutic potential of different targeted pathways in the context of anti-tumor treatment, we compared four phosphatidylserine membrane materials (DOPS, DSPS, DPPS and DMPS) and found that liposomes prepared using DOPS as material could significantly improve the uptake ability of RAW264.7 cells for DOX liposomes. On this basis, normal DOX liposomes (CL-DOX) and SA-modified DOX liposomes (SAL-DOX), PS-modified DOX liposomes (PS-CL-DOX), SA and PS co-modified DOX liposomes (PS-SAL-DOX) were prepared. The anti-tumor cells function of each liposome on S180 and RAW264.7 in vitro was investigated, and it was found that SA on the surface of liposomes can increase the inhibitory effect. In vivo efficacy results exhibited that SAL-DOX and PS-CL-DOX were superior to other groups in terms of ability to inhibit tumor growth and tumor inhibition index, among which SAL-DOX had the best anti-tumor effect. Moreover, SAL-DOX group mice had high expression of IFN-γ as well as IL-12 factors, which could significantly inhibit mice tumor growth, improve the immune microenvironment of the tumor site, and have excellent targeted delivery potential.
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Affiliation(s)
- Zihan Xu
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China
| | - Jie Li
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China
| | - Na Yan
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China
| | - Xinrong Liu
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China
| | - Yihui Deng
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China
| | - Yanzhi Song
- College of Pharmacy, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenyang, Liaoning, 110016, People's Republic of China.
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Manoharan RR, Prasad A, Pospíšil P, Kzhyshkowska J. ROS signaling in innate immunity via oxidative protein modifications. Front Immunol 2024; 15:1359600. [PMID: 38515749 PMCID: PMC10954773 DOI: 10.3389/fimmu.2024.1359600] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Accepted: 02/22/2024] [Indexed: 03/23/2024] Open
Abstract
The innate immune response represents the first-line of defense against invading pathogens. Reactive oxygen species (ROS) and reactive nitrogen species (RNS) have been implicated in various aspects of innate immune function, which involves respiratory bursts and inflammasome activation. These reactive species widely distributed within the cellular environment are short-lived intermediates that play a vital role in cellular signaling and proliferation and are likely to depend on their subcellular site of formation. NADPH oxidase complex of phagocytes is known to generate superoxide anion radical (O2 •-) that functions as a precursor for antimicrobial hydrogen peroxide (H2O2) production, and H2O2 is utilized by myeloperoxidase (MPO) to generate hypochlorous acid (HOCl) that mediates pathogen killing. H2O2 modulates the expression of redox-responsive transcriptional factors, namely NF-kB, NRF2, and HIF-1, thereby mediating redox-based epigenetic modification. Survival and function of immune cells are under redox control and depend on intracellular and extracellular levels of ROS/RNS. The current review focuses on redox factors involved in the activation of immune response and the role of ROS in oxidative modification of proteins in macrophage polarization and neutrophil function.
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Affiliation(s)
| | - Ankush Prasad
- Department of Biophysics, Faculty of Science, Palacký University, Olomouc, Czechia
| | - Pavel Pospíšil
- Department of Biophysics, Faculty of Science, Palacký University, Olomouc, Czechia
| | - Julia Kzhyshkowska
- Institute of Transfusion Medicine and Immunology, Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
- German Red Cross Blood Service Baden-Württemberg - Hessen, Mannheim, Germany
- Laboratory of Translational Cellular and Molecular Biomedicine, National Research Tomsk State University, Tomsk, Russia
- Laboratory of Genetic Technologies, Siberian State Medical University, Tomsk, Russia
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3
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Ou DL, Liao ZX, Kempson IM, Li L, Yang PC, Tseng SJ. Nano-modified viruses prime the tumor microenvironment and promote the photodynamic virotherapy in liver cancer. J Biomed Sci 2024; 31:1. [PMID: 38163894 PMCID: PMC10759334 DOI: 10.1186/s12929-023-00989-1] [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: 06/23/2023] [Accepted: 12/03/2023] [Indexed: 01/03/2024] Open
Abstract
BACKGROUND As of 2020, hepatocellular carcinoma (HCC), a form of liver cancer, stood as the third most prominent contributor to global cancer-related mortality. Combining immune checkpoint inhibitors (ICI) with other therapies has shown promising results for treating unresectable HCC, offering new opportunities. Recombinant adeno-associated viral type 2 (AAV2) virotherapy has been approved for clinical use but it efficacy is stifled through systemic administration. On the other hand, iron oxide nanoparticles (ION) can be cleared via the liver and enhance macrophage polarization, promoting infiltration of CD8+ T cells and creating a more favorable tumor microenvironment for immunotherapy. METHODS To enhance the efficacy of virotherapy and promote macrophage polarization towards the M1-type in the liver, ION-AAV2 were prepared through the coupling of ION-carboxyl and AAV2-amine using 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (EDC)/N-hydroxysulfosuccinimide (Sulfo-NHS). Efficacy after systemic delivery of ION-AAV2 in an orthotopic HCC model was evaluated. RESULTS After 28 days, the tumor weight in mice treated with ION-AAV2 was significantly reduced by 0.56-fold compared to the control group. The ION-AAV2 treatment led to an approximate 1.80-fold increase in the level of tumor associated M1-type macrophages, while the number of M2-type macrophages was reduced by 0.88-fold. Moreover, a proinflammatory response increased the population of tumor-infiltrating CD8+ T cells in the ION-AAV2 group. This transformation converted cold tumors into hot tumors. CONCLUSIONS Our findings suggest that the conjugation of ION with AAV2 could be utilized in virotherapy while simultaneously exploiting macrophage-modulating cancer immunotherapies to effectively suppress HCC growth.
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Affiliation(s)
- Da-Liang Ou
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, 10051, Taiwan
- National Taiwan University YongLin Institute of Health, National Taiwan University, Taipei, 10051, Taiwan
| | - Zi-Xian Liao
- Institute of Medical Science and Technology, National Sun Yat-Sen University, Kaohsiung, 80424, Taiwan
| | - Ivan M Kempson
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Lin Li
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, 10051, Taiwan
| | - Pan-Chyr Yang
- Department of Internal Medicine, National Taiwan University College of Medicine, Taipei, 10051, Taiwan.
- Institute of Biomedical Sciences, Academia Sinica, Taipei, 11529, Taiwan.
| | - S-Ja Tseng
- Graduate Institute of Oncology, National Taiwan University College of Medicine, Taipei, 10051, Taiwan.
- National Taiwan University YongLin Institute of Health, National Taiwan University, Taipei, 10051, Taiwan.
- Program in Precision Health and Intelligent Medicine, Graduate School of Advanced Technology, National Taiwan University, Taipei, 10051, Taiwan.
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4
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Li Z, Lange M, Dixon SJ, Olzmann JA. Lipid Quality Control and Ferroptosis: From Concept to Mechanism. Annu Rev Biochem 2023; 93:10.1146/annurev-biochem-052521-033527. [PMID: 37963395 PMCID: PMC11091000 DOI: 10.1146/annurev-biochem-052521-033527] [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] [Indexed: 11/16/2023]
Abstract
Cellular quality control systems sense and mediate homeostatic responses to prevent the buildup of aberrant macromolecules, which arise from errors during biosynthesis, damage by environmental insults, or imbalances in enzymatic and metabolic activity. Lipids are structurally diverse macromolecules that have many important cellular functions, ranging from structural roles in membranes to functions as signaling and energy-storage molecules. As with other macromolecules, lipids can be damaged (e.g., oxidized), and cells require quality control systems to ensure that nonfunctional and potentially toxic lipids do not accumulate. Ferroptosis is a form of cell death that results from the failure of lipid quality control and the consequent accumulation of oxidatively damaged phospholipids. In this review, we describe a framework for lipid quality control, using ferroptosis as an illustrative example to highlight concepts related to lipid damage, membrane remodeling, and suppression or detoxification of lipid damage via preemptive and damage-repair lipid quality control pathways. Expected final online publication date for the Annual Review of Biochemistry , Volume 93 is June 2024. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Zhipeng Li
- Department of Biochemistry and Molecular Biology, College of Medicine, University of Florida, Gainesville, Florida, USA;
| | - Mike Lange
- Department of Molecular and Cell Biology, University of California, Berkeley, California, USA;
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA
| | - Scott J Dixon
- Department of Biology, Stanford University, Stanford, California, USA
| | - James A Olzmann
- Department of Molecular and Cell Biology, University of California, Berkeley, California, USA;
- Department of Nutritional Sciences and Toxicology, University of California, Berkeley, California, USA
- Chan Zuckerberg Biohub San Francisco, San Francisco, California, USA
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5
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Lan W, Yang L, Tan X. Crosstalk between ferroptosis and macrophages: potential value for targeted treatment in diseases. Mol Cell Biochem 2023:10.1007/s11010-023-04871-4. [PMID: 37880443 DOI: 10.1007/s11010-023-04871-4] [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: 06/26/2023] [Accepted: 10/05/2023] [Indexed: 10/27/2023]
Abstract
Ferroptosis is a newly identified form of programmed cell death that is connected to iron-dependent lipid peroxidization. It involves a variety of physiological processes involving iron metabolism, lipid metabolism, oxidative stress, and biosynthesis of nicotinamide adenine dinucleotide phosphate, glutathione, and coenzyme Q10. So far, it has been discovered to contribute to the pathological process of many diseases, such as myocardial infarction, acute kidney injury, atherosclerosis, and so on. Macrophages are innate immune system cells that regulate metabolism, phagocytize pathogens and dead cells, mediate inflammatory reactions, promote tissue repair, etc. Emerging evidence shows strong associations between macrophages and ferroptosis, which can provide us with a deeper comprehension of the pathological process of diseases and new targets for the treatments. In this review, we summarized the crosstalk between macrophages and ferroptosis and anatomized the application of this association in disease treatments, both non-neoplastic and neoplastic diseases. In addition, we have also addressed problems that remain to be investigated, in the hope of inspiring novel therapeutic strategies for diseases.
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Affiliation(s)
- Wanxin Lan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, 14# 3rd Section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Lei Yang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, 14# 3rd Section, Renmin South Road, Chengdu, 610041, Sichuan, China
| | - Xuelian Tan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Department of Operative Dentistry and Endodontics West China Hospital of Stomatology, Sichuan University, 14# 3rd Section, Renmin South Road, Chengdu, 610041, Sichuan, China.
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6
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Zheng Y, Sun L, Guo J, Ma J. The crosstalk between ferroptosis and anti-tumor immunity in the tumor microenvironment: molecular mechanisms and therapeutic controversy. Cancer Commun (Lond) 2023; 43:1071-1096. [PMID: 37718480 PMCID: PMC10565387 DOI: 10.1002/cac2.12487] [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: 04/20/2023] [Revised: 08/13/2023] [Accepted: 09/11/2023] [Indexed: 09/19/2023] Open
Abstract
The advent of immunotherapy has significantly reshaped the landscape of cancer treatment, greatly enhancing therapeutic outcomes for multiple types of cancer. However, only a small subset of individuals respond to it, underscoring the urgent need for new methods to improve its response rate. Ferroptosis, a recently discovered form of programmed cell death, has emerged as a promising approach for anti-tumor therapy, with targeting ferroptosis to kill tumors seen as a potentially effective strategy. Numerous studies suggest that inducing ferroptosis can synergistically enhance the effects of immunotherapy, paving the way for a promising combined treatment method in the future. Nevertheless, recent research has raised concerns about the potential negative impacts on anti-tumor immunity as a consequence of inducing ferroptosis, leading to conflicting views within the scientific community about the interplay between ferroptosis and anti-tumor immunity, thereby underscoring the necessity of a comprehensive review of the existing literature on this relationship. Previous reviews on ferroptosis have touched on related content, many focusing primarily on the promoting role of ferroptosis on anti-tumor immunity while overlooking recent evidence on the inhibitory effects of ferroptosis on immunity. Others have concentrated solely on discussing related content either from the perspective of cancer cells and ferroptosis or from immune cells and ferroptosis. Given that both cancer cells and immune cells exist in the tumor microenvironment, a one-sided discussion cannot comprehensively summarize this topic. Therefore, from the perspectives of both tumor cells and tumor-infiltrating immune cells, we systematically summarize the current conflicting views on the interplay between ferroptosis and anti-tumor immunity, intending to provide potential explanations and identify the work needed to establish a translational basis for combined ferroptosis-targeted therapy and immunotherapy in treating tumors.
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Affiliation(s)
- Yichen Zheng
- Division of Abdominal Tumor Multimodality TreatmentCancer CenterWest China HospitalSichuan UniversityChengduSichuanP. R. China
| | - Lingqi Sun
- Department of NeurologyAir Force Hospital of the Western Theater of the Chinese People's Liberation ArmyChengduSichuanP. R. China
| | - Jiamin Guo
- Division of Abdominal Tumor Multimodality TreatmentCancer CenterWest China HospitalSichuan UniversityChengduSichuanP. R. China
| | - Ji Ma
- Division of Abdominal Tumor Multimodality TreatmentCancer CenterWest China HospitalSichuan UniversityChengduSichuanP. R. China
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Oh M, Jang SY, Lee JY, Kim JW, Jung Y, Kim J, Seo J, Han TS, Jang E, Son HY, Kim D, Kim MW, Park JS, Song KH, Oh KJ, Kim WK, Bae KH, Huh YM, Kim SH, Kim D, Han BS, Lee SC, Hwang GS, Lee EW. The lipoprotein-associated phospholipase A2 inhibitor Darapladib sensitises cancer cells to ferroptosis by remodelling lipid metabolism. Nat Commun 2023; 14:5728. [PMID: 37714840 PMCID: PMC10504358 DOI: 10.1038/s41467-023-41462-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Accepted: 08/29/2023] [Indexed: 09/17/2023] Open
Abstract
Arachidonic and adrenic acids in the membrane play key roles in ferroptosis. Here, we reveal that lipoprotein-associated phospholipase A2 (Lp-PLA2) controls intracellular phospholipid metabolism and contributes to ferroptosis resistance. A metabolic drug screen reveals that darapladib, an inhibitor of Lp-PLA2, synergistically induces ferroptosis in the presence of GPX4 inhibitors. We show that darapladib is able to enhance ferroptosis under lipoprotein-deficient or serum-free conditions. Furthermore, we find that Lp-PLA2 is located in the membrane and cytoplasm and suppresses ferroptosis, suggesting a critical role for intracellular Lp-PLA2. Lipidomic analyses show that darapladib treatment or deletion of PLA2G7, which encodes Lp-PLA2, generally enriches phosphatidylethanolamine species and reduces lysophosphatidylethanolamine species. Moreover, combination treatment of darapladib with the GPX4 inhibitor PACMA31 efficiently inhibits tumour growth in a xenograft model. Our study suggests that inhibition of Lp-PLA2 is a potential therapeutic strategy to enhance ferroptosis in cancer treatment.
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Affiliation(s)
- Mihee Oh
- Biodefense Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
| | - Seo Young Jang
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Korea
| | - Ji-Yoon Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
| | - Jong Woo Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea
| | - Youngae Jung
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Korea
| | - Jiwoo Kim
- Therapeutics and Biotechnology Department, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
- Graduate School of New Drug Discovery and Development, Chungnam National University, Daejeon, 305-764, Korea
| | - Jinho Seo
- Aging Convergence Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
| | - Tae-Su Han
- Biotherapeutics Translational Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
| | - Eunji Jang
- MediBio-Informatics Research Center, Novomics Co., Ltd., Seoul, Korea
| | - Hye Young Son
- YUHS-KRIBB Medical Convergence Research Institute, Seoul, 03722, Korea
- Department of Radiology, College of Medicine, Yonsei University, Seoul, 03722, Korea
| | - Dain Kim
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Korea
- Department of Life Science, Ewha Womans University, Seoul, 03760, Korea
| | - Min Wook Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
| | | | - Kwon-Ho Song
- Department of Cell Biology, Daegu Catholic University School of Medicine, Daegu, 42472, Korea
| | - Kyoung-Jin Oh
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea
| | - Won Kon Kim
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea
| | - Kwang-Hee Bae
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea
| | - Yong-Min Huh
- MediBio-Informatics Research Center, Novomics Co., Ltd., Seoul, Korea
- YUHS-KRIBB Medical Convergence Research Institute, Seoul, 03722, Korea
- Department of Radiology, College of Medicine, Yonsei University, Seoul, 03722, Korea
| | - Soon Ha Kim
- MitoImmune Therapeutics Inc., Seoul, 06123, Korea
| | - Doyoun Kim
- Therapeutics and Biotechnology Department, Drug Discovery Platform Research Center, Korea Research Institute of Chemical Technology (KRICT), Daejeon, 34114, Korea
| | - Baek-Soo Han
- Biodefense Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea.
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea.
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea.
| | - Sang Chul Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea.
| | - Geum-Sook Hwang
- Integrated Metabolomics Research Group, Western Seoul Center, Korea Basic Science Institute, Seoul, 03759, Korea.
- College of Pharmacy, Chung-Ang University, Seoul, 06974, Korea.
| | - Eun-Woo Lee
- Metabolic Regulation Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Korea.
- Department of Functional Genomics, University of Science and Technology (UST), Daejeon, 34141, Korea.
- School of Pharmacy, Sungkyunkwan University, Suwon, 16419, Korea.
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Akter Z, Salamat N, Ali MY, Zhang L. The promise of targeting heme and mitochondrial respiration in normalizing tumor microenvironment and potentiating immunotherapy. Front Oncol 2023; 12:1072739. [PMID: 36686754 PMCID: PMC9851275 DOI: 10.3389/fonc.2022.1072739] [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: 10/17/2022] [Accepted: 12/12/2022] [Indexed: 01/07/2023] Open
Abstract
Cancer immunotherapy shows durable treatment responses and therapeutic benefits compared to other cancer treatment modalities, but many cancer patients display primary and acquired resistance to immunotherapeutics. Immunosuppressive tumor microenvironment (TME) is a major barrier to cancer immunotherapy. Notably, cancer cells depend on high mitochondrial bioenergetics accompanied with the supply of heme for their growth, proliferation, progression, and metastasis. This excessive mitochondrial respiration increases tumor cells oxygen consumption, which triggers hypoxia and irregular blood vessels formation in various regions of TME, resulting in an immunosuppressive TME, evasion of anti-tumor immunity, and resistance to immunotherapeutic agents. In this review, we discuss the role of heme, heme catabolism, and mitochondrial respiration on mediating immunosuppressive TME by promoting hypoxia, angiogenesis, and leaky tumor vasculature. Moreover, we discuss the therapeutic prospects of targeting heme and mitochondrial respiration in alleviating tumor hypoxia, normalizing tumor vasculature, and TME to restore anti-tumor immunity and resensitize cancer cells to immunotherapy.
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Elevated MFG-E8 in CSF in the Early Stage Indicates Rapid Recovery of Mild Aneurysmal SAH Patients. DISEASE MARKERS 2022; 2022:6731286. [PMID: 36267465 PMCID: PMC9578862 DOI: 10.1155/2022/6731286] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 09/09/2022] [Accepted: 09/28/2022] [Indexed: 11/29/2022]
Abstract
Background Aneurysmal subarachnoid hemorrhage (aSAH) can impair blood perfusion in brain tissue and cause adverse effects. Microglia, which are the inherent immune cells of the brain, significantly activate and play a role in phagocytosis, anti-inflammatory, proinflammatory, and damage repair in this process. Milk fat globule epidermal growth factor 8 (MFG-E8) is the bridging molecule of this process and mediates the activation and biological effects of microglia. Methods We obtained cerebrospinal fluid (CSF) from patients with aSAH at various times (the third day, seventh day, and ninth day) as well as from patients in the control cohort. MFG-E8 protein levels in CSF were measured by enzyme-linked immunosorbent assay (ELISA). Meanwhile, we evaluated the GCS and GOS of aSAH patients on admission and on the third day, seventh day, ninth day, and at discharge. Then, we analyzed the association between the levels of MFG-E8 and the changes in GCS and GOS. Results MFG-E8 expression rose in the early stage on the third day and reached equilibrium around day 7 and day 9. The levels of MFG-E8 on the third day were associated with the change in GOS on the seventh day (r = 0.644, p = 0.018) and ninth day (r = 0.572, p = 0.041) compared with admission but were not correlated with the change on day 3 or at discharge. The levels of MFG-E8 were not correlated with any change in GCS. Conclusions We found that aSAH resulted in an upregulation of MFG-E8 in CSF. Moreover, high MFG-E8 levels in the early stage indicated a rapid recovery of mild aSAH patients.
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Cruz-Gregorio A, Aranda-Rivera AK, Sciutto E, Fragoso G, Pedraza-Chaverri J. Redox state associated with antitumor and immunomodulatory peptides in cancer. Arch Biochem Biophys 2022; 730:109414. [PMID: 36174750 DOI: 10.1016/j.abb.2022.109414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/19/2022] [Accepted: 09/21/2022] [Indexed: 11/27/2022]
Abstract
Cancer, a major public health problem, is the fourth cause of death in the world. While cancer mortality has decreased in recent decades due to more effective treatments, mostly based on improving antitumor immunity, some forms of cancer are resistant to these immunotherapies. A promising approach for cancer treatment involves the administration of antitumor and immunomodulatory peptides. Immunomodulatory peptides have been proved to exert antitumor and immunomodulatory effects by activating immune cells such as cytotoxic T cells, with fewer side-effects. A process closely related to the regulation of the immune system by immunomodulatory antitumor peptides is the modulation of the redox state, which has been poorly studied. This review focuses on the redox state regulated by antitumor and immunomodulatory peptides in cancer development, and on the potential of redox state as a therapy associated with these peptides in cancer treatment.
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Affiliation(s)
- Alfredo Cruz-Gregorio
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
| | - Ana Karina Aranda-Rivera
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico
| | - Edda Sciutto
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
| | - Gladis Fragoso
- Departamento de Inmunología, Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Ciudad de México, 04510, Mexico
| | - José Pedraza-Chaverri
- Departamento de Biología, Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico.
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11
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Morris G, Gevezova M, Sarafian V, Maes M. Redox regulation of the immune response. Cell Mol Immunol 2022; 19:1079-1101. [PMID: 36056148 PMCID: PMC9508259 DOI: 10.1038/s41423-022-00902-0] [Citation(s) in RCA: 100] [Impact Index Per Article: 50.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Accepted: 06/29/2022] [Indexed: 12/20/2022] Open
Abstract
AbstractThe immune-inflammatory response is associated with increased nitro-oxidative stress. The aim of this mechanistic review is to examine: (a) the role of redox-sensitive transcription factors and enzymes, ROS/RNS production, and the activity of cellular antioxidants in the activation and performance of macrophages, dendritic cells, neutrophils, T-cells, B-cells, and natural killer cells; (b) the involvement of high-density lipoprotein (HDL), apolipoprotein A1 (ApoA1), paraoxonase-1 (PON1), and oxidized phospholipids in regulating the immune response; and (c) the detrimental effects of hypernitrosylation and chronic nitro-oxidative stress on the immune response. The redox changes during immune-inflammatory responses are orchestrated by the actions of nuclear factor-κB, HIF1α, the mechanistic target of rapamycin, the phosphatidylinositol 3-kinase/protein kinase B signaling pathway, mitogen-activated protein kinases, 5' AMP-activated protein kinase, and peroxisome proliferator-activated receptor. The performance and survival of individual immune cells is under redox control and depends on intracellular and extracellular levels of ROS/RNS. They are heavily influenced by cellular antioxidants including the glutathione and thioredoxin systems, nuclear factor erythroid 2-related factor 2, and the HDL/ApoA1/PON1 complex. Chronic nitro-oxidative stress and hypernitrosylation inhibit the activity of those antioxidant systems, the tricarboxylic acid cycle, mitochondrial functions, and the metabolism of immune cells. In conclusion, redox-associated mechanisms modulate metabolic reprogramming of immune cells, macrophage and T helper cell polarization, phagocytosis, production of pro- versus anti-inflammatory cytokines, immune training and tolerance, chemotaxis, pathogen sensing, antiviral and antibacterial effects, Toll-like receptor activity, and endotoxin tolerance.
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12
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Ma XH, Liu JHZ, Liu CY, Sun WY, Duan WJ, Wang G, Kurihara H, He RR, Li YF, Chen Y, Shang H. ALOX15-launched PUFA-phospholipids peroxidation increases the susceptibility of ferroptosis in ischemia-induced myocardial damage. Signal Transduct Target Ther 2022; 7:288. [PMID: 35970840 PMCID: PMC9378747 DOI: 10.1038/s41392-022-01090-z] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/02/2022] [Accepted: 06/26/2022] [Indexed: 12/31/2022] Open
Abstract
Myocardial ischemia/reperfusion (I/R) injury is a classic type of cardiovascular disease characterized by injury to cardiomyocytes leading to various forms of cell death. It is believed that irreversible myocardial damage resulted from I/R occurs due to oxidative stress evoked during the reperfusion phase. Here we demonstrate that ischemia triggers a specific redox reaction of polyunsaturated fatty acids (PUFA)-phospholipids in myocardial cells, which acts as a priming signaling that initiates the outbreak of robust oxidative damage in the reperfusion phase. Using animal and in vitro models, the crucial lipid species in I/R injury were identified to be oxidized PUFAs enriched phosphatidylethanolamines. Using multi-omics, arachidonic acid 15-lipoxygenase-1 (ALOX15) was identified as the primary mediator of ischemia-provoked phospholipid peroxidation, which was further confirmed using chemogenetic approaches. Collectively, our results reveal that ALOX15 induction in the ischemia phase acts as a “burning point” to ignite phospholipid oxidization into ferroptotic signals. This finding characterizes a novel molecular mechanism for myocardial ischemia injury and offers a potential therapeutic target for early intervention of I/R injury.
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Affiliation(s)
- Xiao-Hui Ma
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China.,Institute of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, 830054, China
| | - Jiang-Han-Zi Liu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China
| | - Chun-Yu Liu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China
| | - Wan-Yang Sun
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China
| | - Wen-Jun Duan
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China
| | - Guan Wang
- Innovation Center of Nursing Research, Nursing Key Laboratory of Sichuan Province, State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hiroshi Kurihara
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China. .,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China. .,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China.
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China. .,Guangdong Province Key Laboratory of Pharmacodynamic Constituents of TCM and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China. .,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), Jinan University, Guangzhou, 510632, China.
| | - Yang Chen
- College of Pharmacy, Guangzhou University of Chinese Medicine, Guangzhou, 510405, China.
| | - Hongcai Shang
- Key Laboratory of Chinese Internal Medicine of Ministry of Education, Dongzhimen Hospital, Beijing University of Chinese Medicine, 100700, Beijing, China.
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13
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Bian C, Su J, Zheng Z, Wei J, Wang H, Meng L, Xin Y, Jiang X. ARTS, an unusual septin, regulates tumorigenesis by promoting apoptosis. Biomed Pharmacother 2022; 152:113281. [PMID: 35714512 DOI: 10.1016/j.biopha.2022.113281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/04/2022] [Accepted: 06/08/2022] [Indexed: 11/02/2022] Open
Abstract
Apoptosis plays particularly important roles in tumorigenesis through various mechanisms. Apoptosis can be initiated by both extrinsic and intrinsic signals centered in and coming from the mitochondria. Antiapoptotic proteins promote tumor progression, and the occurrence and progression of tumors are closely related to antiapoptotic protein expression. As the only member of the septin gene family with proapoptotic function, apoptosis-related proteins in the TGF-β signaling pathway (ARTS) has received extensive attention for its unique structure. In contrast, unlike other known inhibitors of apoptosis protein (IAP) antagonists, ARTS exhibits a stronger tumor suppressor potential. Recent research has shown that ARTS can bind and inhibit XIAP and Bcl-2 directly or assist p53 in the degradation of Bcl-XL. Here, we review recent advances in the molecular mechanisms by which the proapoptotic protein ARTS, with its unique structure, inhibits tumorigenesis. We also discuss the possibility of mimicking ARTS to develop small-molecule drugs.
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Affiliation(s)
- Chenbin Bian
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
| | - Jing Su
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
| | - Zhuangzhuang Zheng
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
| | - Jinlong Wei
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
| | - Huanhuan Wang
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
| | - Lingbin Meng
- Department of Hematology and Medical Oncology, Moffitt Cancer Center, Tampa, FL 33612, USA.
| | - Ying Xin
- Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China.
| | - Xin Jiang
- Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China; Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China; NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China.
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14
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Petan T, Manček-Keber M. Half is enough: Oxidized lysophospholipids as novel bioactive molecules. Free Radic Biol Med 2022; 188:351-362. [PMID: 35779690 DOI: 10.1016/j.freeradbiomed.2022.06.228] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/01/2022] [Accepted: 06/13/2022] [Indexed: 10/17/2022]
Abstract
Studies in the last decade have established the roles of oxidized phospholipids as modulators of various cellular processes, from inflammation and immunity to cell death. Oxidized lysophospholipids, formed through the activity of phospholipases and oxidative enzymes and lacking an acyl chain in comparison with parent phospholipids, are now emerging as novel bioactive lipid mediators. Their detection and structural characterization have been limited in the past due to low amounts and the complexity of their biosynthetic and removal pathways, but recent studies have unequivocally demonstrated their formation under inflammatory conditions. The involvement of oxidized lysophospholipids in immune regulation classifies them as damage-associated molecular patterns (DAMPs), which can promote sterile inflammation and contribute to autoimmune and chronic diseases as well as aging-related diseases. Their signaling pathways are just beginning to be revealed. As the first publications indicate that oxidized lysophospholipids use the same receptors as pathogen-associated molecular patterns (PAMPs), it is likely that the inhibition of signaling pathways activated by oxidized lysophospholipids would affect innate immunity per se. On the other hand, inhibition or modulation of their enzymatic formation, which would not interfere with the response to pathogens, might be beneficial and is potentially a promising new field of research.
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Affiliation(s)
- Toni Petan
- Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, 1000, Ljubljana, Slovenia.
| | - Mateja Manček-Keber
- Department of Synthetic Biology and Immunology, National Institute of Chemistry, 1000, Ljubljana, Slovenia.
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15
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Gao W, Wang X, Zhou Y, Wang X, Yu Y. Autophagy, ferroptosis, pyroptosis, and necroptosis in tumor immunotherapy. Signal Transduct Target Ther 2022; 7:196. [PMID: 35725836 PMCID: PMC9208265 DOI: 10.1038/s41392-022-01046-3] [Citation(s) in RCA: 267] [Impact Index Per Article: 133.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 05/23/2022] [Accepted: 05/30/2022] [Indexed: 12/12/2022] Open
Abstract
In recent years, immunotherapy represented by immune checkpoint inhibitors (ICIs) has led to unprecedented breakthroughs in cancer treatment. However, the fact that many tumors respond poorly or even not to ICIs, partly caused by the absence of tumor-infiltrating lymphocytes (TILs), significantly limits the application of ICIs. Converting these immune “cold” tumors into “hot” tumors that may respond to ICIs is an unsolved question in cancer immunotherapy. Since it is a general characteristic of cancers to resist apoptosis, induction of non-apoptotic regulated cell death (RCD) is emerging as a new cancer treatment strategy. Recently, several studies have revealed the interaction between non-apoptotic RCD and antitumor immunity. Specifically, autophagy, ferroptosis, pyroptosis, and necroptosis exhibit synergistic antitumor immune responses while possibly exerting inhibitory effects on antitumor immune responses. Thus, targeted therapies (inducers or inhibitors) against autophagy, ferroptosis, pyroptosis, and necroptosis in combination with immunotherapy may exert potent antitumor activity, even in tumors resistant to ICIs. This review summarizes the multilevel relationship between antitumor immunity and non-apoptotic RCD, including autophagy, ferroptosis, pyroptosis, and necroptosis, and the potential targeting application of non-apoptotic RCD to improve the efficacy of immunotherapy in malignancy.
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Affiliation(s)
- Weitong Gao
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Xueying Wang
- Department of Otolaryngology Head and Neck Surgery, Xiangya Hospital, Central South University, changsha, 410008, China
| | - Yang Zhou
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Xueqian Wang
- Department of Head and Neck Surgery, Harbin Medical University Cancer Hospital, Harbin, 150081, China
| | - Yan Yu
- Department of Medical Oncology, Harbin Medical University Cancer Hospital, Harbin, 150081, China.
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16
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Wu Y, Luo X, Zhou Q, Gong H, Gao H, Liu T, Chen J, Liang L, Kurihara H, Li YF, He RR. The disbalance of LRP1 and SIRP α by psychological stress dampens the clearance of tumor cells by macrophages. Acta Pharm Sin B 2022; 12:197-209. [PMID: 35127380 PMCID: PMC8799994 DOI: 10.1016/j.apsb.2021.06.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 05/11/2021] [Accepted: 05/19/2021] [Indexed: 12/22/2022] Open
Abstract
The relationship between chronic psychological stress and tumorigenesis has been well defined in epidemiological studies; however, the underlying mechanism remains underexplored. In this study, we discovered that impaired macrophage phagocytosis contributed to the psychological stress-evoked tumor susceptibility, and the stress hormone glucocorticoid (GC) was identified as a principal detrimental factor. Mechanistically, GC disturbed the balance of the “eat me” signal receptor (low-density lipoprotein receptor-related protein-1, LRP1) and the “don't eat me” signal receptor (signal regulatory protein alpha, SIRPα). Further analysis revealed that GC led to a direct, glucocorticoid receptor (GR)-dependent trans-repression of LRP1 expression, and the repressed LRP1, in turn, resulted in the elevated gene level of SIRPα by down-regulating miRNA-4695-3p. These data collectively demonstrate that stress induces the imbalance of the LRP1/SIRPα axis and entails the disturbance of tumor cell clearance by macrophages. Our findings provide the mechanistic insight into psychological stress-evoked tumor susceptibility and indicate that the balance of LRP1/SIRPα axis may serve as a potential therapeutic strategy for tumor treatment.
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Affiliation(s)
- Yanping Wu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Xiang Luo
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Qingqing Zhou
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Haibiao Gong
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Huaying Gao
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Tongzheng Liu
- Institute of Tumor Pharmacology, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Jiaxu Chen
- Formula-pattern Research Center, School of Traditional Chinese Medicine, Jinan University, Guangzhou 510632, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
- Corresponding authors.
| | - Lei Liang
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
| | - Hiroshi Kurihara
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Corresponding authors.
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou 510632, China
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine and New Drugs Research, College of Pharmacy, Jinan University, Guangzhou 510632, China
- Integrated Chinese and Western Medicine Postdoctoral Research Station, Jinan University, Guangzhou 510632, China
- Corresponding authors.
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17
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Demuynck R, Efimova I, Naessens F, Krysko DV. Immunogenic ferroptosis and where to find it? J Immunother Cancer 2021; 9:jitc-2021-003430. [PMID: 34903554 PMCID: PMC8671998 DOI: 10.1136/jitc-2021-003430] [Citation(s) in RCA: 57] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/04/2021] [Indexed: 12/15/2022] Open
Abstract
Ferroptosis is a recently discovered form of regulated cell death that is morphologically, genetically, and biochemically distinct from apoptosis and necroptosis, and its potential use in anticancer therapy is emerging. The strong immunogenicity of (early) ferroptotic cancer cells broadens the current concept of immunogenic cell death and opens up new possibilities for cancer treatment. In particular, induction of immunogenic ferroptosis could be beneficial for patients with cancers resistant to apoptosis and necroptosis. However, ferroptotic cancer cells may be a rich source of oxidized lipids, which contribute to decreased phagocytosis and antigen cross-presentation by dendritic cells and thus may favor tumor evasion. This could explain the non-immunogenicity of late ferroptotic cells. Besides the presence of lactate in the tumor microenvironment, acidification and hypoxia are essential factors promoting ferroptosis resistance and affecting its immunogenicity. Here, we critically discuss the crucial mediators controlling the immunogenicity of ferroptosis that modulate the induction of antitumor immunity. We emphasize that it will be necessary to also identify the tolerogenic (ie, immunosuppressive) nature of ferroptosis, which can lead to tumor evasion.
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Affiliation(s)
- Robin Demuynck
- Cell Death Investigation and Therapy Lab, Department of Human Structure and Repair, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent, Ghent, Belgium
| | - Iuliia Efimova
- Cell Death Investigation and Therapy Lab, Department of Human Structure and Repair, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent, Ghent, Belgium
| | - Faye Naessens
- Cell Death Investigation and Therapy Lab, Department of Human Structure and Repair, Ghent University, Ghent, Belgium
| | - Dmitri V Krysko
- Cell Death Investigation and Therapy Lab, Department of Human Structure and Repair, Ghent University, Ghent, Belgium .,Cancer Research Institute Ghent, Ghent, Belgium.,Department of Pathophysiology, I M Sechenov First Moscow State Medical University, Moskva, Russian Federation.,Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhny Novgorod, Niznij Novgorod, Russian Federation
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18
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Efferocytosis and the Story of "Find Me," "Eat Me," and "Don't Eat Me" Signaling in the Tumor Microenvironment. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021. [PMID: 34664238 DOI: 10.1007/978-3-030-73119-9_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/15/2023]
Abstract
The process of efferocytosis involves removal of dying or dead cells by phagocytosis. Another term "efferosome" is used which means a fluid-filled membrane vesicle which engulfs dead cells. The process of efferocytosis works in coordination with apoptosis because before the contents of apoptotic cells are bleached out, they are engulfed by efferosomes. Thus, the microenvironment is not polluted with toxic enzymes and oxidants. A defect in the apoptotic cell clearance may participate in autoimmunity and chronic inflammation for homeostasis and proper tissue development, for which removal of dead cells is essential. This also protects from chronic inflammation and autoimmunity. In different tumor types and other diseases, efferocytosis has been studied extensively and potential pathways identified. A few of the intermediates in different pathways, which create aggressive and tolerogenic tumor microenvironment, might be considered for therapeutic or interventional purposes. Since the key players in efferocytosis are macrophages and dendritic cells, development of antigen-dependent antitumor immunity is affected by efferocytosis. The literature analysis suggests that efferocytosis is an underappreciated immune checkpoint, perhaps one that might be therapeutically targeted in the setting of cancer. The current status of efferocytosis and its role in tumor microenvironment is discussed in this article.
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19
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Bagayoko S, Leon-Icaza SA, Pinilla M, Hessel A, Santoni K, Péricat D, Bordignon PJ, Moreau F, Eren E, Boyancé A, Naser E, Lefèvre L, Berrone C, Iakobachvili N, Metais A, Rombouts Y, Lugo-Villarino G, Coste A, Attrée I, Frank DW, Clevers H, Peters PJ, Cougoule C, Planès R, Meunier E. Host phospholipid peroxidation fuels ExoU-dependent cell necrosis and supports Pseudomonas aeruginosa-driven pathology. PLoS Pathog 2021; 17:e1009927. [PMID: 34516571 PMCID: PMC8460005 DOI: 10.1371/journal.ppat.1009927] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 09/23/2021] [Accepted: 08/29/2021] [Indexed: 11/20/2022] Open
Abstract
Regulated cell necrosis supports immune and anti-infectious strategies of the body; however, dysregulation of these processes drives pathological organ damage. Pseudomonas aeruginosa expresses a phospholipase, ExoU that triggers pathological host cell necrosis through a poorly characterized pathway. Here, we investigated the molecular and cellular mechanisms of ExoU-mediated necrosis. We show that cellular peroxidised phospholipids enhance ExoU phospholipase activity, which drives necrosis of immune and non-immune cells. Conversely, both the endogenous lipid peroxidation regulator GPX4 and the pharmacological inhibition of lipid peroxidation delay ExoU-dependent cell necrosis and improve bacterial elimination in vitro and in vivo. Our findings also pertain to the ExoU-related phospholipase from the bacterial pathogen Burkholderia thailandensis, suggesting that exploitation of peroxidised phospholipids might be a conserved virulence mechanism among various microbial phospholipases. Overall, our results identify an original lipid peroxidation-based virulence mechanism as a strong contributor of microbial phospholipase-driven pathology.
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Affiliation(s)
- Salimata Bagayoko
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Stephen Adonai Leon-Icaza
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Miriam Pinilla
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Audrey Hessel
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Karin Santoni
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - David Péricat
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Pierre-Jean Bordignon
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Flavie Moreau
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Level 3 Biosafety Animal Core facility, Anexplo platform, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Elif Eren
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Aurélien Boyancé
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Emmanuelle Naser
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Cytometry & Imaging Core facility, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Lise Lefèvre
- RESTORE institute, University of Toulouse, CNRS, Toulouse, France
| | - Céline Berrone
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
- Level 3 Biosafety Animal Core facility, Anexplo platform, Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Nino Iakobachvili
- Division of Nanoscopy, Maastricht Multimodal Molecular Imaging Institute, Maastricht University, Maastricht, The Netherlands
| | - Arnaud Metais
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Yoann Rombouts
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Geanncarlo Lugo-Villarino
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Agnès Coste
- RESTORE institute, University of Toulouse, CNRS, Toulouse, France
| | - Ina Attrée
- Univ. Grenoble Alpes, CNRS, CEA, IBS, Bacterial Pathogenesis and Cellular Responses, Grenoble, France
| | - Dara W. Frank
- Department of Microbiology and Immunology, Medical College of Wisconsin, Milwaukee, Wisconsin, United States of America
| | - Hans Clevers
- Oncode Institute, Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences and University Medical Center, Utrecht, Netherlands
| | - Peter J. Peters
- Division of Nanoscopy, Maastricht Multimodal Molecular Imaging Institute, Maastricht University, Maastricht, The Netherlands
| | - Céline Cougoule
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Rémi Planès
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
| | - Etienne Meunier
- Institute of Pharmacology and Structural Biology (IPBS), University of Toulouse, CNRS, Toulouse, France
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20
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Lin W, Shen P, Song Y, Huang Y, Tu S. Reactive Oxygen Species in Autoimmune Cells: Function, Differentiation, and Metabolism. Front Immunol 2021; 12:635021. [PMID: 33717180 PMCID: PMC7946999 DOI: 10.3389/fimmu.2021.635021] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2020] [Accepted: 02/08/2021] [Indexed: 12/19/2022] Open
Abstract
Accumulated reactive oxygen species (ROS) directly contribute to biomacromolecule damage and influence various inflammatory responses. Reactive oxygen species act as mediator between innate and adaptive immune cells, thereby influencing the antigen-presenting process that results in T cell activation. Evidence from patients with chronic granulomatous disease and mouse models support the function of ROS in preventing abnormal autoimmunity; for example, by supporting maintenance of macrophage efferocytosis and T helper 1/T helper 2 and T helper 17/ regulatory T cell balance. The failure of many anti-oxidation treatments indicates that ROS cannot be considered entirely harmful. Indeed, enhancement of ROS may sometimes be required. In a mouse model of rheumatoid arthritis (RA), absence of NOX2-derived ROS led to higher prevalence and more severe symptoms. In patients with RA, naïve CD4+ T cells exhibit inhibited glycolysis and enhanced pentose phosphate pathway (PPP) activity, leading to ROS exhaustion. In this "reductive" state, CD4+ T cell immune homeostasis is disrupted, triggering joint destruction, together with oxidative stress in the synovium.
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Affiliation(s)
- Weiji Lin
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pan Shen
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yaqin Song
- Department of Emergency Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Ying Huang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shenghao Tu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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21
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Luo X, Gong HB, Gao HY, Wu YP, Sun WY, Li ZQ, Wang G, Liu B, Liang L, Kurihara H, Duan WJ, Li YF, He RR. Oxygenated phosphatidylethanolamine navigates phagocytosis of ferroptotic cells by interacting with TLR2. Cell Death Differ 2021; 28:1971-1989. [PMID: 33432112 PMCID: PMC8185102 DOI: 10.1038/s41418-020-00719-2] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 11/15/2020] [Accepted: 12/18/2020] [Indexed: 02/07/2023] Open
Abstract
During cancer therapy, phagocytic clearance of dead cells plays a vital role in immune homeostasis. The nonapoptotic form of cell death, ferroptosis, exhibits extraordinary potential in tumor treatment. However, the phagocytosis mechanism that regulates the engulfment of ferroptotic cells remains unclear. Here, we establish a novel pathway for phagocytic clearance of ferroptotic cells that is different from canonical mechanisms by using diverse ferroptosis models evoked by GPX4 dysfunction/deficiency. We identified the oxidized phospholipid, 1-steaoryl-2-15-HpETE-sn-glycero-3-phosphatidylethanolamine (SAPE-OOH), as a key eat-me signal on the ferroptotic cell surface. Enriching the plasma membrane with SAPE-OOH increased the efficiency of phagocytosis of ferroptotic cells by macrophage, a process that was suppressed by lipoprotein-associated phospholipase A2. Ligand fishing, lipid blotting, and cellular thermal shift assay screened and identified TLR2 as a membrane receptor that directly recognized SAPE-OOH, which was further confirmed by TLR2 inhibitors and gene silencing studies. A mouse mammary tumor model of ferroptosis verified SAPE-OOH and TLR2 as critical players in the clearance of ferroptotic cells in vivo. Taken together, this work demonstrates that SAPE-OOH on ferroptotic cell surface acts as an eat-me signal and navigates phagocytosis by targeting TLR2 on macrophages.
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Affiliation(s)
- Xiang Luo
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Hai-Biao Gong
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Hua-Ying Gao
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Yan-Ping Wu
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.,Integrated Chinese and Western Medicine Department, School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, China
| | - Wan-Yang Sun
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Zheng-Qiu Li
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Guan Wang
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, China.,Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Bo Liu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, 610041, China.,Collaborative Innovation Center for Biotherapy, Chengdu, 610041, China
| | - Lei Liang
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Hiroshi Kurihara
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China.,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Wen-Jun Duan
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China. .,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.
| | - Yi-Fang Li
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China. .,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China.
| | - Rong-Rong He
- Guangdong Engineering Research Center of Chinese Medicine & Disease Susceptibility, Jinan University, Guangzhou, 510632, China. .,International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, 510632, China. .,Integrated Chinese and Western Medicine Department, School of Traditional Chinese Medicine, Jinan University, Guangzhou, 510632, China.
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22
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Trivedi A, Khan MA, Bade G, Talwar A. Orchestration of Neutrophil Extracellular Traps (Nets), a Unique Innate Immune Function during Chronic Obstructive Pulmonary Disease (COPD) Development. Biomedicines 2021; 9:53. [PMID: 33435568 PMCID: PMC7826777 DOI: 10.3390/biomedicines9010053] [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: 10/04/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 02/08/2023] Open
Abstract
Morbidity, mortality and economic burden caused by chronic obstructive pulmonary disease (COPD) is a significant global concern. Surprisingly, COPD is already the third leading cause of death worldwide, something that WHO had not predicted to occur until 2030. It is characterized by persistent respiratory symptoms and airway limitation due to airway and/or alveolar abnormalities usually caused by significant exposure to noxious particles of gases. Neutrophil is one of the key infiltrated innate immune cells in the lung during the pathogenesis of COPD. Neutrophils during pathogenic attack or injury decide to undergo for a suicidal death by releasing decondensed chromatin entangled with antimicrobial peptides to trap and ensnare pathogens. Casting neutrophil extracellular traps (NETs) has been widely demonstrated to be an effective mechanism against invading microorganisms thus controlling overwhelming infections. However, aberrant and massive NETs formation has been reported in several pulmonary diseases, including chronic obstructive pulmonary disease. Moreover, NETs can directly induce epithelial and endothelial cell death resulting in impairing pulmonary function and accelerating the progression of the disease. Therefore, understanding the regulatory mechanism of NET formation is the need of the hour in order to use NETs for beneficial purpose and controlling their involvement in disease exacerbation. For example, DNA neutralization of NET proteins using protease inhibitors and disintegration with recombinant human DNase would be helpful in controlling excess NETs. Targeting CXC chemokine receptor 2 (CXCR2) would also reduce neutrophilic inflammation, mucus production and neutrophil-proteinase mediated tissue destruction in lung. In this review, we discuss the interplay of NETs in the development and pathophysiology of COPD and how these NETs associated therapies could be leveraged to disrupt NETopathic inflammation as observed in COPD, for better management of the disease.
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Affiliation(s)
- Anjali Trivedi
- Department of Physiology, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (G.B.)
| | - Meraj A. Khan
- Translational Medicine, SickKids Research Institute, the Hospital for Sick Children, Toronto, ON M5G 1X8, Canada
| | - Geetanjali Bade
- Department of Physiology, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (G.B.)
| | - Anjana Talwar
- Department of Physiology, All India Institute of Medical Sciences, New Delhi 110029, India; (A.T.); (G.B.)
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23
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Rajasinghe LD, Chauhan PS, Wierenga KA, Evered AO, Harris SN, Bates MA, Gavrilin MA, Pestka JJ. Omega-3 Docosahexaenoic Acid (DHA) Impedes Silica-Induced Macrophage Corpse Accumulation by Attenuating Cell Death and Potentiating Efferocytosis. Front Immunol 2020; 11:2179. [PMID: 33123123 PMCID: PMC7573148 DOI: 10.3389/fimmu.2020.02179] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 08/10/2020] [Indexed: 12/18/2022] Open
Abstract
Airway exposure of lupus-prone NZBWF1 mice to crystalline silica (cSiO2), a known trigger of human autoimmune disease, elicits sterile inflammation and alveolar macrophage death in the lung that, in turn, induces early autoimmune onset and accelerates lupus progression to fatal glomerulonephritis. Dietary supplementation with docosahexaenoic acid (DHA), a marine ω-3 polyunsaturated fatty acid (PUFA), markedly ameliorates cSiO2-triggered pulmonary, systemic, and renal manifestations of lupus. Here, we tested the hypothesis that DHA influences both cSiO2-induced death and efferocytotic clearance of resultant cell corpses using three murine macrophage models: (i) primary alveolar macrophages (AM) isolated from NZBWF1 mice; (ii) self-renewing AM-like Max Planck Institute (MPI) cells isolated from fetuses of C57BL/6 mice, and (iii) RAW 264.7 murine macrophages, a virus-transformed cell line derived from BALB/c mice stably transfected with the inflammasome adaptor protein ASC (RAW-ASC). Incubation with cSiO2 at 25 and 50 μg/ml for 6 h was found to dose-dependently induce cell death (p < 0.05) in all three models as determined by both acridine orange/propidium iodide staining and release of lactate dehydrogenase into cell culture supernatant. Pre-incubation with DHA at a physiologically relevant concentration (25 μM) significantly reduced cSiO2-induced death (p < 0.05) in all three models. Cell death induction by cSiO2 alone and its suppression by DHA were primarily associated with caspase-3/7 activation, suggestive of apoptosis, in AM, MPI, and RAW-ASC cells. Fluorescence microscopy revealed that all three macrophage models were similarly capable of efferocytosing RAW-ASC target cell corpses. Furthermore, MPI effector cells could likewise engulf RAW-ASC target cell corpses elicited by treatment with staurosporine (apoptosis), LPS, and nigericin (pyroptosis), or cSiO2. Pre-incubation of RAW-ASC target cells with 25 μM DHA prior to death induced by these agents significantly enhanced their efferocytosis (p < 0.05) by MPI effector cells. In contrast, pre-incubating MPI effector cells with DHA did not affect engulfment of RAW-ASC target cells pre-incubated with vehicle. Taken together, these findings indicate that DHA at a physiologically relevant concentration was capable of attenuating macrophage death and could potentiate efferocytosis, with the net effect of reducing accumulation of cell corpses capable of eliciting autoimmunity.
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Affiliation(s)
- Lichchavi D Rajasinghe
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - Preeti S Chauhan
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - Kathryn A Wierenga
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States.,Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, United States
| | - Augustus O Evered
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
| | - Shamya N Harris
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
| | - Melissa A Bates
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - Mikhail A Gavrilin
- Division of Pulmonary, Critical Care and Sleep Medicine, Ohio State University, Columbus, OH, United States
| | - James J Pestka
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States.,Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States.,Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
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24
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Clarke R, Hossain K, Cao K. Physiological roles of transverse lipid asymmetry of animal membranes. BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1862:183382. [DOI: 10.1016/j.bbamem.2020.183382] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023]
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25
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Sprooten J, De Wijngaert P, Vanmeerbeerk I, Martin S, Vangheluwe P, Schlenner S, Krysko DV, Parys JB, Bultynck G, Vandenabeele P, Garg AD. Necroptosis in Immuno-Oncology and Cancer Immunotherapy. Cells 2020; 9:E1823. [PMID: 32752206 PMCID: PMC7464343 DOI: 10.3390/cells9081823] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/23/2020] [Accepted: 07/29/2020] [Indexed: 12/12/2022] Open
Abstract
Immune-checkpoint blockers (ICBs) have revolutionized oncology and firmly established the subfield of immuno-oncology. Despite this renaissance, a subset of cancer patients remain unresponsive to ICBs due to widespread immuno-resistance. To "break" cancer cell-driven immuno-resistance, researchers have long floated the idea of therapeutically facilitating the immunogenicity of cancer cells by disrupting tumor-associated immuno-tolerance via conventional anticancer therapies. It is well appreciated that anticancer therapies causing immunogenic or inflammatory cell death are best positioned to productively activate anticancer immunity. A large proportion of studies have emphasized the importance of immunogenic apoptosis (i.e., immunogenic cell death or ICD); yet, it has also emerged that necroptosis, a programmed necrotic cell death pathway, can also be immunogenic. Emergence of a proficient immune profile for necroptosis has important implications for cancer because resistance to apoptosis is one of the major hallmarks of tumors. Putative immunogenic or inflammatory characteristics driven by necroptosis can be of great impact in immuno-oncology. However, as is typical for a highly complex and multi-factorial disease like cancer, a clear cause versus consensus relationship on the immunobiology of necroptosis in cancer cells has been tough to establish. In this review, we discuss the various aspects of necroptosis immunobiology with specific focus on immuno-oncology and cancer immunotherapy.
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Affiliation(s)
- Jenny Sprooten
- Department of Cellular and Molecular Medicine, Laboratory of Cell Stress & Immunity (CSI), KU Leuven, 3000 Leuven, Belgium
| | - Pieter De Wijngaert
- Department of Cellular and Molecular Medicine, Laboratory of Cell Stress & Immunity (CSI), KU Leuven, 3000 Leuven, Belgium
| | - Isaure Vanmeerbeerk
- Department of Cellular and Molecular Medicine, Laboratory of Cell Stress & Immunity (CSI), KU Leuven, 3000 Leuven, Belgium
| | - Shaun Martin
- Department of Cellular and Molecular Medicine, Laboratory of Cellular Transport Systems, KU Leuven, 3000 Leuven, Belgium
| | - Peter Vangheluwe
- Department of Cellular and Molecular Medicine, Laboratory of Cellular Transport Systems, KU Leuven, 3000 Leuven, Belgium
| | - Susan Schlenner
- Department of Microbiology, Immunology and Transplantation, KU Leuven, 3000 Leuven, Belgium
| | - Dmitri V Krysko
- Department of Human Structure and Repair, Cell Death Investigation and Therapy Laboratory, Ghent University, 9000 Ghent, Belgium
- Department of Pathophysiology, Sechenov First Moscow State Medical University (Sechenov University), 119146 Moscow, Russia
| | - Jan B Parys
- Department of Cellular and Molecular Medicine and Leuven Kanker Instituut (LKI), Laboratory of Molecular and Cellular Signaling, KU Leuven, 3000 Leuven, Belgium
| | - Geert Bultynck
- Department of Cellular and Molecular Medicine and Leuven Kanker Instituut (LKI), Laboratory of Molecular and Cellular Signaling, KU Leuven, 3000 Leuven, Belgium
| | - Peter Vandenabeele
- Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
- VIB Center for Inflammation Research, 9052 Ghent, Belgium
- Methusalem Program, Ghent University, 9000 Ghent, Belgium
| | - Abhishek D Garg
- Department of Cellular and Molecular Medicine, Laboratory of Cell Stress & Immunity (CSI), KU Leuven, 3000 Leuven, Belgium
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26
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Pajoohesh-Ganji A, Karl M, Garrison E, Osei-Bonsu NA, Clarkson-Paredes C, Ahn J, Miller RH. Developmental ablation of mature oligodendrocytes exacerbates adult CNS demyelination. Brain Behav Immun Health 2020; 7:100110. [PMID: 34589870 PMCID: PMC8474627 DOI: 10.1016/j.bbih.2020.100110] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Accepted: 07/19/2020] [Indexed: 11/28/2022] Open
Abstract
Multiple sclerosis (MS) is a CNS neurodegenerative autoimmune disease characterized by loss of oligodendrocytes and myelin in the brain and the spinal cord that results in localized functional deficits. Several risk factors have been associated with MS, however none fully explain the enhanced susceptibility seen in older individuals. Epidemiological data, based on geographical prevalence studies suggest that susceptibility is established early in life and frequently long before the diagnosis of disease raising the possibility that developmental events influence adult disease onset and progression. Here we test the hypothesis that selective loss of mature oligodendrocytes during postnatal development results in enhanced susceptibility to a demyelinating insult to the mature CNS. A transgenic mouse model was utilized to specifically induce apoptotic cell death in a subset of mature oligodendrocytes (MBP-iCP9) during the first 2 postnatal weeks followed by either a local LPC spinal cord injection or the induction of EAE in the adult animal. Immunostaining, immunoblotting, behavioral testing, and electron microscopy were utilized to examine the differences in the response between animals with developmental loss of oligodendrocytes and controls. We show that during development, oligodendrocyte apoptosis results in transient reductions in myelination and functional deficits that recover after 10–14 days. Compared to animals in which oligodendrocyte development was unperturbed, animals subjected to postnatal oligodendrocyte loss showed delayed recovery from an LPC lesion to the mature spinal cord. Unexpectedly, the induction and severity of MOG induced EAE was not significantly altered in animals following oligodendrocyte developmental loss even though there was a substantial increase in spinal cord tissue damage and CNS inflammation. It is unclear why the elevated glial responses seen in developmentally compromised animals were not reflected in enhanced functional deficits. These observations suggest that developmental loss of oligodendrocytes results in long lasting tissue changes that alter its response to subsequent insults and the capacity for repair in the adult. Developmental oligodendrocyte apoptosis induces transient myelin and functional loss. Developmental loss of oligodendrocytes compromises adult remyelination after LPC. Developmental loss of oligodendrocytes enhances CNS immune response in EAE. Elevated CNS glial reactivity does not alter course of EAE.
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Affiliation(s)
- Ahdeah Pajoohesh-Ganji
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Molly Karl
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Eric Garrison
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Nana Adwoa Osei-Bonsu
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Cheryl Clarkson-Paredes
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Julie Ahn
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
| | - Robert H Miller
- Department of Anatomy and Cell Biology, The George Washington University, School of Medicine and Health Sciences, Washington, DC, United States
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27
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Kotsafti A, Scarpa M, Castagliuolo I, Scarpa M. Reactive Oxygen Species and Antitumor Immunity-From Surveillance to Evasion. Cancers (Basel) 2020; 12:E1748. [PMID: 32630174 PMCID: PMC7409327 DOI: 10.3390/cancers12071748] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 06/26/2020] [Accepted: 06/28/2020] [Indexed: 12/14/2022] Open
Abstract
The immune system is a crucial regulator of tumor biology with the capacity to support or inhibit cancer development, growth, invasion and metastasis. Emerging evidence show that reactive oxygen species (ROS) are not only mediators of oxidative stress but also players of immune regulation in tumor development. This review intends to discuss the mechanism by which ROS can affect the anti-tumor immune response, with particular emphasis on their role on cancer antigenicity, immunogenicity and shaping of the tumor immune microenvironment. Given the complex role that ROS play in the dynamics of cancer-immune cell interaction, further investigation is needed for the development of effective strategies combining ROS manipulation and immunotherapies for cancer treatment.
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Affiliation(s)
- Andromachi Kotsafti
- Laboratory of Advanced Translational Research, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy;
| | - Marco Scarpa
- General Surgery Unit, Azienda Ospedaliera di Padova, 35128 Padua, Italy;
| | | | - Melania Scarpa
- Laboratory of Advanced Translational Research, Veneto Institute of Oncology IOV-IRCCS, 35128 Padua, Italy;
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28
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Liu Y, Wu X, Nie S, Zhou S, Xiao S, Gao X, Lin Z, Sun J, Huang Y. Methylation of Phospholipase A2 Group VII Gene Is Associated with Brain Arteriovenous Malformations in Han Chinese Populations. J Mol Neurosci 2020; 70:1056-1063. [DOI: 10.1007/s12031-020-01508-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 02/19/2020] [Indexed: 11/29/2022]
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29
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Bayır H, Anthonymuthu TS, Tyurina YY, Patel SJ, Amoscato AA, Lamade AM, Yang Q, Vladimirov GK, Philpott CC, Kagan VE. Achieving Life through Death: Redox Biology of Lipid Peroxidation in Ferroptosis. Cell Chem Biol 2020; 27:387-408. [PMID: 32275865 DOI: 10.1016/j.chembiol.2020.03.014] [Citation(s) in RCA: 127] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 03/02/2020] [Accepted: 03/17/2020] [Indexed: 12/11/2022]
Abstract
Redox balance is essential for normal brain, hence dis-coordinated oxidative reactions leading to neuronal death, including programs of regulated death, are commonly viewed as an inevitable pathogenic penalty for acute neuro-injury and neurodegenerative diseases. Ferroptosis is one of these programs triggered by dyshomeostasis of three metabolic pillars: iron, thiols, and polyunsaturated phospholipids. This review focuses on: (1) lipid peroxidation (LPO) as the major instrument of cell demise, (2) iron as its catalytic mechanism, and (3) thiols as regulators of pro-ferroptotic signals, hydroperoxy lipids. Given the central role of LPO, we discuss the engagement of selective and specific enzymatic pathways versus random free radical chemical reactions in the context of the phospholipid substrates, their biosynthesis, intracellular location, and related oxygenating machinery as participants in ferroptotic cascades. These concepts are discussed in the light of emerging neuro-therapeutic approaches controlling intracellular production of pro-ferroptotic phospholipid signals and their non-cell-autonomous spreading, leading to ferroptosis-associated necroinflammation.
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Affiliation(s)
- Hülya Bayır
- Children's Neuroscience Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA; Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Safar Center for Resuscitation Research, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15224, USA.
| | - Tamil S Anthonymuthu
- Children's Neuroscience Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA; Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Safar Center for Resuscitation Research, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Yulia Y Tyurina
- Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Sarju J Patel
- Genetics and Metabolism Section, Liver Diseases Branch, NIDDK, NIH, Bethesda, MD 20892, USA
| | - Andrew A Amoscato
- Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA
| | - Andrew M Lamade
- Children's Neuroscience Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA; Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Safar Center for Resuscitation Research, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Qin Yang
- Children's Neuroscience Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA; Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Safar Center for Resuscitation Research, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA 15224, USA
| | - Georgy K Vladimirov
- Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Caroline C Philpott
- Genetics and Metabolism Section, Liver Diseases Branch, NIDDK, NIH, Bethesda, MD 20892, USA
| | - Valerian E Kagan
- Children's Neuroscience Institute, UPMC Children's Hospital of Pittsburgh, Pittsburgh, PA 15224, USA; Center for Free Radical and Antioxidant Health, Department of Environmental Health, University of Pittsburgh, Pittsburgh, PA 15213, USA; Institute for Regenerative Medicine, Sechenov First Moscow State Medical University, 119991 Moscow, Russia.
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Glassman FY, Dingman R, Yau HC, Balu-Iyer SV. Biological Function and Immunotherapy Utilizing Phosphatidylserine-based Nanoparticles. Immunol Invest 2020; 49:858-874. [PMID: 32204629 DOI: 10.1080/08820139.2020.1738456] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Phosphatidylserine (PS) is a naturally occurring anionic phospholipid that is primarily located in the inner leaflet of eukaryotic cell membranes. The role of PS during apoptosis is one of the most studied biological functions of PS. Externalization of PS during apoptosis mediates an "eat me" signal for phagocytic uptake, leading to clearance of apoptotic cells and thus maintain self-tolerance by immunological ignorance. However, an emerging view is that PS exposure-mediated cellular uptake is not an immunologically silent event, but rather promoting an active tolerance towards self and foreign proteins. This biological property of PS has been exploited by parasites and viruses in order to evade immune surveillance of the host immune system. Further, this novel immune regulatory property of PS that results in tolerance induction can be harnessed for clinical applications, such as to treat autoimmune conditions and to reduce immunogenicity of therapeutic proteins. This review attempts to provide an overview of the biological functions of PS in the immune response and its potential therapeutic applications.
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Affiliation(s)
- Fiona Y Glassman
- Department of Pharmaceutical Sciences, University at Buffalo, the State University of New York , Buffalo, New York, USA.,Clinical Pharmacology and Pharmacometrics, Currently at CSL Behring , King of Prussia, Pennsylvania, USA
| | - Robert Dingman
- Department of Pharmaceutical Sciences, University at Buffalo, the State University of New York , Buffalo, New York, USA
| | - Helena C Yau
- Department of Film and Media Studies, Washington University in St. Louis , St. Louis, Missouri, USA
| | - Sathy V Balu-Iyer
- Department of Pharmaceutical Sciences, University at Buffalo, the State University of New York , Buffalo, New York, USA
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31
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Kagan VE, Tyurina YY, Sun WY, Vlasova II, Dar H, Tyurin VA, Amoscato AA, Mallampalli R, van der Wel PCA, He RR, Shvedova AA, Gabrilovich DI, Bayir H. Redox phospholipidomics of enzymatically generated oxygenated phospholipids as specific signals of programmed cell death. Free Radic Biol Med 2020; 147:231-241. [PMID: 31883467 PMCID: PMC7037592 DOI: 10.1016/j.freeradbiomed.2019.12.028] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 12/17/2019] [Accepted: 12/20/2019] [Indexed: 01/16/2023]
Abstract
High fidelity and effective adaptive changes of the cell and tissue metabolism to changing environments require strict coordination of numerous biological processes. Multicellular organisms developed sophisticated signaling systems of monitoring and responding to these different contexts. Among these systems, oxygenated lipids play a significant role realized via a variety of re-programming mechanisms. Some of them are enacted as a part of pro-survival pathways that eliminate harmful or unnecessary molecules or organelles by a variety of degradation/hydrolytic reactions or specialized autophageal processes. When these "partial" intracellular measures are insufficient, the programs of cells death are triggered with the aim to remove irreparably damaged members of the multicellular community. These regulated cell death mechanisms are believed to heavily rely on signaling by a highly diversified group of molecules, oxygenated phospholipids (PLox). Out of thousands of detectable individual PLox species, redox phospholipidomics deciphered several specific molecules that seem to be diagnostic of specialized death programs. Oxygenated cardiolipins (CLs) and phosphatidylethanolamines (PEs) have been identified as predictive biomarkers of apoptosis and ferroptosis, respectively. This has led to decoding of the enzymatic mechanisms of their formation involving mitochondrial oxidation of CLs by cytochrome c and endoplasmic reticulum-associated oxidation of PE by lipoxygenases. Understanding of the specific biochemical radical-mediated mechanisms of these oxidative reactions opens new avenues for the design and search of highly specific regulators of cell death programs. This review emphasizes the usefulness of such selective lipid peroxidation mechanisms in contrast to the concept of random poorly controlled free radical reactions as instruments of non-specific damage of cells and their membranes. Detailed analysis of two specific examples of phospholipid oxidative signaling in apoptosis and ferroptosis along with their molecular mechanisms and roles in reprogramming has been presented.
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Affiliation(s)
- V E Kagan
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA; Department of Chemistry, University of Pittsburgh, USA; Department of Pharmacology and Chemical Biology, University of Pittsburgh, USA; Department of Radiation Oncology, University of Pittsburgh, USA; Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russian Federation.
| | - Y Y Tyurina
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA
| | - W Y Sun
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA; International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, Guangdong, China
| | - I I Vlasova
- Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russian Federation
| | - H Dar
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA
| | - V A Tyurin
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA
| | - A A Amoscato
- Center for Free Radical and Antioxidant Heath, USA; Department of Environmental and Occupational Health, University of Pittsburgh, USA
| | | | - P C A van der Wel
- Zernike Institute for Advanced Materials, University of Groningen, Groningen, the Netherlands
| | - R R He
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, Guangdong, China
| | - A A Shvedova
- Exposure Assessment Branch, NIOSH/CDC, Morgantown, WV, USA
| | | | - H Bayir
- Center for Free Radical and Antioxidant Heath, USA; Department of Critical Care Medicine, University of Pittsburgh, USA.
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Brelstaff J, Tolkovsky AM, Ghetti B, Goedert M, Spillantini MG. Living Neurons with Tau Filaments Aberrantly Expose Phosphatidylserine and Are Phagocytosed by Microglia. Cell Rep 2020; 24:1939-1948.e4. [PMID: 30134156 PMCID: PMC6161320 DOI: 10.1016/j.celrep.2018.07.072] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 05/23/2018] [Accepted: 07/21/2018] [Indexed: 10/28/2022] Open
Abstract
Tau protein forms insoluble filamentous inclusions that are closely associated with nerve cell death in many neurodegenerative diseases. How neurons die in these tauopathies is unclear. We report that living neurons with tau inclusions from P301S-tau mice expose abnormally high amounts of phosphatidylserine because of the production of reactive oxygen species (ROS). Consequently, co-cultured phagocytes (BV2 cells or primary microglia) identify and phagocytose the living neurons, thereby engulfing insoluble tau inclusions. To facilitate engulfment, neurons induce contacting microglia to secrete the opsonin milk-fat-globule EGF-factor-8 (MFGE8) and nitric oxide (NO), whereas neurons with tau inclusions are rescued when MFGE8 or NO production is prevented. MFGE8 expression is elevated in transgenic P301S-tau mouse brains with tau inclusions and in tau inclusion-rich brain regions of several human tauopathies, indicating shared mechanisms of disease. Preventing phagocytosis of living neurons will preserve them for treatments that inhibit tau aggregation and toxicity.
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Affiliation(s)
- Jack Brelstaff
- Department of Clinical Neurosciences, Clifford Allbutt Building, University of Cambridge, Cambridge, CB2 0AH, UK
| | - Aviva M Tolkovsky
- Department of Clinical Neurosciences, Clifford Allbutt Building, University of Cambridge, Cambridge, CB2 0AH, UK.
| | - Bernardino Ghetti
- Department of Pathology and Laboratory Medicine, Indiana University, Indianapolis, IN, USA
| | - Michel Goedert
- Medical Research Council Laboratory of Molecular Biology, Cambridge CB2 0QH, UK
| | - Maria Grazia Spillantini
- Department of Clinical Neurosciences, Clifford Allbutt Building, University of Cambridge, Cambridge, CB2 0AH, UK.
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Kagan VE, Tyurina YY, Vlasova II, Kapralov AA, Amoscato AA, Anthonymuthu TS, Tyurin VA, Shrivastava IH, Cinemre FB, Lamade A, Epperly MW, Greenberger JS, Beezhold DH, Mallampalli RK, Srivastava AK, Bayir H, Shvedova AA. Redox Epiphospholipidome in Programmed Cell Death Signaling: Catalytic Mechanisms and Regulation. Front Endocrinol (Lausanne) 2020; 11:628079. [PMID: 33679610 PMCID: PMC7933662 DOI: 10.3389/fendo.2020.628079] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/11/2020] [Accepted: 12/21/2020] [Indexed: 01/16/2023] Open
Abstract
A huge diversification of phospholipids, forming the aqueous interfaces of all biomembranes, cannot be accommodated within a simple concept of their role as membrane building blocks. Indeed, a number of signaling functions of (phospho)lipid molecules has been discovered. Among these signaling lipids, a particular group of oxygenated polyunsaturated fatty acids (PUFA), so called lipid mediators, has been thoroughly investigated over several decades. This group includes oxygenated octadecanoids, eicosanoids, and docosanoids and includes several hundreds of individual species. Oxygenation of PUFA can occur when they are esterified into major classes of phospholipids. Initially, these events have been associated with non-specific oxidative injury of biomembranes. An alternative concept is that these post-synthetically oxidatively modified phospholipids and their adducts with proteins are a part of a redox epiphospholipidome that represents a rich and versatile language for intra- and inter-cellular communications. The redox epiphospholipidome may include hundreds of thousands of individual molecular species acting as meaningful biological signals. This review describes the signaling role of oxygenated phospholipids in programs of regulated cell death. Although phospholipid peroxidation has been associated with almost all known cell death programs, we chose to discuss enzymatic pathways activated during apoptosis and ferroptosis and leading to peroxidation of two phospholipid classes, cardiolipins (CLs) and phosphatidylethanolamines (PEs). This is based on the available LC-MS identification and quantitative information on the respective peroxidation products of CLs and PEs. We focused on molecular mechanisms through which two proteins, a mitochondrial hemoprotein cytochrome c (cyt c), and non-heme Fe lipoxygenase (LOX), change their catalytic properties to fulfill new functions of generating oxygenated CL and PE species. Given the high selectivity and specificity of CL and PE peroxidation we argue that enzymatic reactions catalyzed by cyt c/CL complexes and 15-lipoxygenase/phosphatidylethanolamine binding protein 1 (15LOX/PEBP1) complexes dominate, at least during the initiation stage of peroxidation, in apoptosis and ferroptosis. We contrast cell-autonomous nature of CLox signaling in apoptosis correlating with its anti-inflammatory functions vs. non-cell-autonomous ferroptotic signaling facilitating pro-inflammatory (necro-inflammatory) responses. Finally, we propose that small molecule mechanism-based regulators of enzymatic phospholipid peroxidation may lead to highly specific anti-apoptotic and anti-ferroptotic therapeutic modalities.
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Affiliation(s)
- Valerian E Kagan
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Yulia Y Tyurina
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Irina I Vlasova
- World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov First Moscow State Medical University, Moscow, Russia
| | - Alexander A Kapralov
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Andrew A Amoscato
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Tamil S Anthonymuthu
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Critical Care Medicine, Safar Center for Resuscitation Research, Children's Neuroscience Institute, University of Pittsburgh, Pittsburgh, PA, United States
| | - Vladimir A Tyurin
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Indira H Shrivastava
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
- Office of the Director, Health Effects Laboratory Division, NIOSH/CDC, Morgantown, WV, United States
| | - Fatma B Cinemre
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
| | - Andrew Lamade
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Critical Care Medicine, Safar Center for Resuscitation Research, Children's Neuroscience Institute, University of Pittsburgh, Pittsburgh, PA, United States
| | - Michael W Epperly
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Joel S Greenberger
- Department of Radiation Oncology, University of Pittsburgh, Pittsburgh, PA, United States
| | - Donald H Beezhold
- Office of the Director, Health Effects Laboratory Division, NIOSH/CDC, Morgantown, WV, United States
| | - Rama K Mallampalli
- Department of Internal Medicine, The Ohio State University, Columbus, OH, United States
| | - Apurva K Srivastava
- Laboratory of Human Toxicology and Pharmacology, Applied/Developmental Research Directorate, Leidos Biomedical Research, Inc., Frederick National Laboratory for Cancer Research, Frederick, MD, United States
| | - Hulya Bayir
- Center for Free Radical and Antioxidant Health, Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, United States
- Department of Critical Care Medicine, Safar Center for Resuscitation Research, Children's Neuroscience Institute, University of Pittsburgh, Pittsburgh, PA, United States
| | - Anna A Shvedova
- Exposure Assessment Branch, The National Institute for Occupational Safety and Health/Centers for Disease Control and Prevention (NIOSH/CDC), Morgantown, WV, United States
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Morimoto M, Horikoshi Y, Nakaso K, Kurashiki T, Kitagawa Y, Hanaki T, Sakamoto T, Honjo S, Umekita Y, Fujiwara Y, Matsura T. Oncogenic role of TYRO3 receptor tyrosine kinase in the progression of pancreatic cancer. Cancer Lett 2019; 470:149-160. [PMID: 31765735 DOI: 10.1016/j.canlet.2019.11.028] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 11/15/2019] [Accepted: 11/18/2019] [Indexed: 01/01/2023]
Abstract
The expression and functions of TYRO3, a member of the TAM receptor tyrosine kinase family, in pancreatic cancer (PC) have not been specifically elucidated. In this study, we confirmed TYRO3 expression in five human PC cell lines (PANC-1, MIA PaCa-2, BxPC-3, AsPC-1, and PK-9) using Western blotting. TYRO3 silencing and overexpression studies have revealed that TYRO3 promotes cell proliferation and invasion in PC via phosphorylation of protein kinase B (Akt) and extracellular signal-regulated kinase (ERK). Using a mouse xenograft model, we showed that tumor growth was significantly suppressed in mice subcutaneously inoculated with TYRO3-knockdown PC cells compared with mice inoculated with control PC cells. Furthermore, TYRO3 expression was examined in PC tissues obtained from 106 patients who underwent pancreatic resection for invasive ductal carcinoma through immunohistochemical staining. TYRO3-positive patients had poor prognoses for overall survival and disease-specific survival compared with TYRO3-negative patients. Multivariate analysis revealed that TYRO3 expression is an independent prognostic factor for overall survival. Our study demonstrates the critical role of TYRO3 in PC progression through Akt and ERK activation and suggests TYRO3 as a novel promising target for therapeutic strategies against PC.
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Affiliation(s)
- Masaki Morimoto
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan; Division of Surgical Oncology, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Yosuke Horikoshi
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan
| | - Kazuhiro Nakaso
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan
| | - Tatsuyuki Kurashiki
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan; Division of Anesthesiology and Critical Care Medicine, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Yoshinori Kitagawa
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan; Division of Anesthesiology and Critical Care Medicine, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Takehiko Hanaki
- Division of Surgical Oncology, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Teruhisa Sakamoto
- Division of Surgical Oncology, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Soichiro Honjo
- Division of Surgical Oncology, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Yoshihisa Umekita
- Division of Organ Pathology, Department of Pathology, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan
| | - Yoshiyuki Fujiwara
- Division of Surgical Oncology, Department of Surgery, Faculty of Medicine, Tottori University, 36-1 Nishi-cho, Yonago, 683-8504, Japan
| | - Tatsuya Matsura
- Division of Medical Biochemistry, Department of Pathophysiological and Therapeutic Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, 683-8503, Japan.
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35
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Colombo S, Criscuolo A, Zeller M, Fedorova M, Domingues MR, Domingues P. Analysis of oxidised and glycated aminophospholipids: Complete structural characterisation by C30 liquid chromatography-high resolution tandem mass spectrometry. Free Radic Biol Med 2019; 144:144-155. [PMID: 31150763 DOI: 10.1016/j.freeradbiomed.2019.05.025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 05/14/2019] [Accepted: 05/22/2019] [Indexed: 12/19/2022]
Abstract
The aminophospholipids (APL), phosphatidylethanolamine (PE) and phosphatidylserine (PS) are widely present in cell membranes and lipoproteins. Glucose and reactive oxygen species (ROS), such as the hydroxyl radical (•OH), can react with APL leading to an array of oxidised, glycated and glycoxidised derivatives. Modified APL have been implicated in inflammatory diseases and diabetes, and were identified as signalling molecules regulating cell death. However, the biological relevance of these molecules has not been completely established, since they are present in very low amounts, and new sensitive methodologies are needed to detect them in biological systems. Few studies have focused on the characterisation of APL modifications using liquid chromatography-tandem mass spectrometry (LC-MS/MS), mainly using C5 or C18 reversed phase (RP) columns. In the present study, we propose a new analytical approach for the characterisation of complex mixtures of oxidised, glycated and glycoxidised PE and PS. This LC approach was based on a reversed-phase C30 column combined with high-resolution MS, and higher energy C-trap dissociation (HCD) MS/MS. C30 RP-LC separated short and long fatty acyl oxidation products, along with glycoxidised APL bearing oxidative modifications on the glucose moiety and the fatty acyl chains. Functional isomers (e.g. hydroxy-hydroperoxy-APL and tri-hydroxy-APL) and positional isomers (e.g. 9-hydroxy-APL and 13-hydroxy-APL) were also discriminated by the method. HCD fragmentation patterns allowed unequivocal structural characterisation of the modified APL, and are translatable into targeted MS/MS fingerprinting of the modified derivatives in biological samples.
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Affiliation(s)
- Simone Colombo
- Mass Spectrometry Centre, Department of Chemistry & QOPNA, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Angela Criscuolo
- Thermo Fisher Scientific, Hanna-Kunath-Straße 11, 28199, Bremen, Germany; Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Universität Leipzig, Germany; Center for Biotechnology and Biomedicine, Universität Leipzig, Germany
| | - Martin Zeller
- Mass Spectrometry Centre, Department of Chemistry & QOPNA, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Maria Fedorova
- Institute of Bioanalytical Chemistry, Faculty of Chemistry and Mineralogy, Universität Leipzig, Germany; Center for Biotechnology and Biomedicine, Universität Leipzig, Germany
| | - M Rosário Domingues
- Mass Spectrometry Centre, Department of Chemistry & QOPNA, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; Department of Chemistry & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Pedro Domingues
- Mass Spectrometry Centre, Department of Chemistry & QOPNA, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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36
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Maciel E, Neves BM, Martins J, Colombo S, Cruz MT, Domingues P, Domingues MRM. Oxidized phosphatidylserine mitigates LPS-triggered macrophage inflammatory status through modulation of JNK and NF-kB signaling cascades. Cell Signal 2019; 61:30-38. [DOI: 10.1016/j.cellsig.2019.04.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2018] [Revised: 04/14/2019] [Accepted: 04/29/2019] [Indexed: 01/17/2023]
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Friedmann Angeli JP, Krysko DV, Conrad M. Ferroptosis at the crossroads of cancer-acquired drug resistance and immune evasion. Nat Rev Cancer 2019; 19:405-414. [PMID: 31101865 DOI: 10.1038/s41568-019-0149-1] [Citation(s) in RCA: 688] [Impact Index Per Article: 137.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Ferroptosis is a recently recognized cell death modality that is morphologically, biochemically and genetically distinct from other forms of cell death and that has emerged to play an important role in cancer biology. Recent discoveries have highlighted the metabolic plasticity of cancer cells and have provided intriguing insights into how metabolic rewiring is a critical event for the persistence, dedifferentiation and expansion of cancer cells. In some cases, this metabolic reprogramming has been linked to an acquired sensitivity to ferroptosis, thus opening up new opportunities to treat therapy-insensitive tumours. However, it is not yet clear what metabolic determinants are critical for therapeutic resistance and evasion of immune surveillance. Therefore, a better understanding of the processes that regulate ferroptosis sensitivity should ultimately aid in the discovery of novel therapeutic strategies to improve cancer treatment. In this Perspectives article, we provide an overview of the known mechanisms that regulate sensitivity to ferroptosis in cancer cells and how the modulation of metabolic pathways controlling ferroptosis might reshape the tumour niche, leading to an immunosuppressive microenvironment that promotes tumour growth and progression.
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Affiliation(s)
| | - Dmitri V Krysko
- Department of Human Structure and Repair, Ghent University and Cancer Research Institute Ghent (CRIG), Ghent, Belgium
- Institute of Biology and Biomedicine, National Research Lobachevsky State University of Nizhny Novgorod, Nizhny Novgorod, Russian Federation
| | - Marcus Conrad
- Institute of Developmental Genetics, Helmholtz Zentrum München, Neuherberg, Germany.
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38
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Tyurina YY, Tyurin VA, Anthonymuthu T, Amoscato AA, Sparvero LJ, Nesterova AM, Baynard ML, Sun W, He R, Khaitovich P, Vladimirov YA, Gabrilovich DI, Bayır H, Kagan VE. "Redox lipidomics technology: Looking for a needle in a haystack". Chem Phys Lipids 2019; 221:93-107. [PMID: 30928338 PMCID: PMC6714565 DOI: 10.1016/j.chemphyslip.2019.03.012] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Revised: 03/21/2019] [Accepted: 03/24/2019] [Indexed: 02/07/2023]
Abstract
Aerobic life is based on numerous metabolic oxidation reactions as well as biosynthesis of oxygenated signaling compounds. Among the latter are the myriads of oxygenated lipids including a well-studied group of polyunsaturated fatty acids (PUFA) - octadecanoids, eicosanoids, and docosanoids. During the last two decades, remarkable progress in liquid-chromatography-mass spectrometry has led to significant progress in the characterization of oxygenated PUFA-containing phospholipids, thus designating the emergence of a new field of lipidomics, redox lipidomics. Although non-enzymatic free radical reactions of lipid peroxidation have been mostly associated with the aberrant metabolism typical of acute injury or chronic degenerative processes, newly accumulated evidence suggests that enzymatically catalyzed (phospho)lipid oxygenation reactions are essential mechanisms of many physiological pathways. In this review, we discuss a variety of contemporary protocols applicable for identification and quantitative characterization of different classes of peroxidized (phospho)lipids. We describe applications of different types of LCMS for analysis of peroxidized (phospho)lipids, particularly cardiolipins and phosphatidylethanolalmines, in two important types of programmed cell death - apoptosis and ferroptosis. We discuss the role of peroxidized phosphatidylserines in phagocytotic signaling. We exemplify the participation of peroxidized neutral lipids, particularly tri-acylglycerides, in immuno-suppressive signaling in cancer. We also consider new approaches to exploring the spatial distribution of phospholipids in the context of their oxidizability by MS imaging, including the latest achievements in high resolution imaging techniques. We present innovative approaches to the interpretation of LC-MS data, including audio-representation analysis. Overall, we emphasize the role of redox lipidomics as a communication language, unprecedented in diversity and richness, through the analysis of peroxidized (phospho)lipids.
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Affiliation(s)
- Yulia Y Tyurina
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Vladimir A Tyurin
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Tamil Anthonymuthu
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Critical Care Medicine, Pittsburgh, PA, USA
| | - Andrew A Amoscato
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Louis J Sparvero
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Anastasiia M Nesterova
- Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia
| | - Matthew L Baynard
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA
| | - Wanyang Sun
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Anti-stress and Health Research Center, Pharmacy College, Jinan University, Guangzhou, China
| | - RongRong He
- Anti-stress and Health Research Center, Pharmacy College, Jinan University, Guangzhou, China
| | | | - Yuri A Vladimirov
- Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia
| | | | - Hülya Bayır
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Critical Care Medicine, Pittsburgh, PA, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Valerian E Kagan
- Department of Environmental and Occupational Health, Pittsburgh, PA, USA; Pharmacology and Chemical Biology, Pittsburgh, PA, USA; Radiation Oncology, Pittsburgh, PA, USA; Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, USA; Laboratory of Navigational Redox Lipidomics, IM Sechenov Moscow State Medical University, Moscow, Russia.
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Voices from the dead: The complex vocabulary and intricate grammar of dead cells. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2019; 116:1-90. [PMID: 31036289 DOI: 10.1016/bs.apcsb.2019.02.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Of the roughly one million cells per second dying throughout the body, the vast majority dies by apoptosis, the predominant form of regulated cell death in higher organisms. Long regarded as mere waste, apoptotic cells are now recognized as playing a prominent and active role in homeostatic maintenance, especially resolution of inflammation, and in the sculpting of tissues during development. The activities associated with apoptotic cells are continually expanding, with more recent studies demonstrating their ability to modulate such vital functions as proliferation, survival, differentiation, metabolism, migration, and angiogenesis. In each case, the role of apoptotic cells is active, exerting their effects via new activities acquired during the apoptotic program. Moreover, the capacity to recognize and respond to apoptotic cells is not limited to professional phagocytes. Most, if not all, cells receive and integrate an array of signals from cells dying in their vicinity. These signals comprise a form of biochemical communication. As reviewed in this chapter, this communication is remarkably sophisticated; each of its three critical steps-encoding, transmission, and decoding of the apoptotic cell's "message"-is endowed with exquisite robustness. Together, the abundance and intricacy of the variables at each step comprise the vocabulary and grammar of the language by which dead cells achieve their post-mortem voice. The combinatorial complexity of the resulting communication network permits dying cells, through the signals they emit and the responses those signals elicit, to partake of an expanded role in homeostasis, acting as both sentinels of environmental change and agents of adaptation.
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A Comparison of [ 99mTc]Duramycin and [ 99mTc]Annexin V in SPECT/CT Imaging Atherosclerotic Plaques. Mol Imaging Biol 2019; 20:249-259. [PMID: 28785938 DOI: 10.1007/s11307-017-1111-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
PURPOSE Apoptosis is a key factor in unstable plaques. The aim of this study is to evaluate the utility of visualizing atherosclerotic plaques with radiolabeled duramycin and Annexin V. PROCEDURES ApoE-/- mice were fed with a high-fat diet to develop atherosclerosis, C57 mice as a control. Using a routine conjugation protocol, highly pure [99mTc]duramycin and [99mTc]Annexin V were obtained, which were applied for in vitro cell assays of apoptosis and in vivo imaging of atherosclerotic plaques in the animal model. Oil Red O staining, TUNEL, hematoxylin-eosin (HE), and CD68 immunostaining were used to evaluate the deposition of lipids and presence of apoptotic macrophages in the lesions where focal intensity positively correlated with the uptake of both tracers. RESULTS [99mTc]duramycin and [99mTc]Annexin V with a high radiochemical purity (97.13 ± 1.52 and 94.94 ± 0.65 %, respectively) and a well stability at room temperature were used. Apoptotic cells binding activity to [99mTc]duramycin (Kd, 6.92 nM and Bmax, 56.04 mol/1019 cells) was significantly greater than [99mTc]Annexin V (Kd, 12.63 nM and Bmax, 31.55 mol/1019 cells). Compared with [99mTc]Annexin V, [99mTc]duramycin bound avidly to atherosclerotic lesions with a higher plaque-to-background ratio (P/B was 8.23 ± 0.91 and 5.45 ± 0.48 at 20 weeks, 15.02 ± 0.23 and 12.14 ± 0.22 at 30 weeks). No plaques were found in C57 control mice. Furthermore, Oil Red O staining showed lipid deposition areas were significantly increased in ApoE-/- mice at 20 and 30 weeks, and TUNEL and CD68 staining confirmed that the focal uptake of both tracers contained abundant apoptotic macrophages. CONCLUSIONS This stable, fast clearing, and highly specific [99mTc]duramycin, therefore, can be useful for the quantification of vulnerable atherosclerotic plaques.
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Tong TN, Cen S, Branch DR. The Monocyte Monolayer Assay: Past, Present and Future. Transfus Med Rev 2019; 33:24-28. [DOI: 10.1016/j.tmrv.2018.07.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 07/19/2018] [Accepted: 07/24/2018] [Indexed: 11/24/2022]
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42
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Tyurina YY, Shrivastava I, Tyurin VA, Mao G, Dar HH, Watkins S, Epperly M, Bahar I, Shvedova AA, Pitt B, Wenzel SE, Mallampalli RK, Sadovsky Y, Gabrilovich D, Greenberger JS, Bayır H, Kagan VE. "Only a Life Lived for Others Is Worth Living": Redox Signaling by Oxygenated Phospholipids in Cell Fate Decisions. Antioxid Redox Signal 2018; 29:1333-1358. [PMID: 28835115 PMCID: PMC6157439 DOI: 10.1089/ars.2017.7124] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2017] [Revised: 08/10/2017] [Accepted: 08/18/2017] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Oxygenated polyunsaturated lipids are known to play multi-functional roles as essential signals coordinating metabolism and physiology. Among them are well-studied eicosanoids and docosanoids that are generated via phospholipase A2 hydrolysis of membrane phospholipids and subsequent oxygenation of free polyunsaturated fatty acids (PUFA) by cyclooxygenases and lipoxygenases. Recent Advances: There is an emerging understanding that oxygenated PUFA-phospholipids also represent a rich signaling language with yet-to-be-deciphered details of the execution machinery-oxygenating enzymes, regulators, and receptors. Both free and esterified oxygenated PUFA signals are generated in cells, and their cross-talk and inter-conversion through the de-acylation/re-acylation reactions is not sufficiently explored. CRITICAL ISSUES Here, we review recent data related to oxygenated phospholipids as important damage signals that trigger programmed cell death pathways to eliminate irreparably injured cells and preserve the health of multicellular environments. We discuss the mechanisms underlying the trans-membrane redistribution and generation of oxygenated cardiolipins in mitochondria by cytochrome c as pro-apoptotic signals. We also consider the role of oxygenated phosphatidylethanolamines as proximate pro-ferroptotic signals. FUTURE DIRECTIONS We highlight the importance of sequential processes of phospholipid oxygenation and signaling in disease contexts as opportunities to use their regulatory mechanisms for the identification of new therapeutic targets.
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Affiliation(s)
- Yulia Y. Tyurina
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Indira Shrivastava
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Vladimir A. Tyurin
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Gaowei Mao
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Haider H. Dar
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Simon Watkins
- Department of Cell Biology and Physiology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Michael Epperly
- Radiation Oncology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Ivet Bahar
- Department of Computational and Systems Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Anna A. Shvedova
- Exposure Assessment Branch/NIOSH/CDC, West Virginia University, Morgantown, West Virginia
- Department of Physiology and Pharmacology, West Virginia University, Morgantown, West Virginia
| | - Bruce Pitt
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Sally E. Wenzel
- Department of Medicine, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
- Asthma Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Rama K. Mallampalli
- Department of Medicine, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Medicine, Acute Lung Injury Center of Excellence, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Yoel Sadovsky
- Magee Women's Research Institute, University of Pittsburgh, Pittsburgh, Pennsylvania
| | | | | | - Hülya Bayır
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Valerian E. Kagan
- Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania
- Department of Pharmacology and Chemical Biology, University of Pittsburgh, Pittsburgh, Pennsylvania
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Modulation of the inflammatory response of immune cells in human peripheral blood by oxidized arachidonoyl aminophospholipids. Arch Biochem Biophys 2018; 660:64-71. [PMID: 30315768 DOI: 10.1016/j.abb.2018.10.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2018] [Revised: 09/18/2018] [Accepted: 10/09/2018] [Indexed: 01/06/2023]
Abstract
Aminophospholipids (APL), phosphatidylethanolamine (PE) and phosphatidylserine (PS), can be oxidized upon oxidative stress. Oxidized PE and PS have been detected in clinical samples of different pathologies and may act as modulators of the inflammatory response. However, few studies have focused on the effects of oxidized APL (ox-APL) esterified with arachidonic acid, even though a considerable number of studies have assessed the modulation of the immune system by oxidized 1-palmitoyl-2-arachidonoyl-sn-3-glycerophosphocholine (OxPAPC). In the present study, we have used flow cytometry to evaluate the ability of oxidized PAPE (OxPAPE) and PAPS (OxPAPS) to promote or suppress an inflammatory phenotype on monocytes subsets and myeloid dendritic cells (mDCs). The results indicate that OxPAPE increases the frequency of all monocyte subpopulations expressing TNF-α, which promotes an inflammatory response. However, immune cell stimulation with OxPAPE in the presence of LPS results in a decrease of TNF-α expressed by classical monocytes. Incubation with OxPAPS and LPS induces a decrease in TNF-α produced by monocytes, and a significant decrease in IL-1β expressed by monocytes and mDCs, indicating that OxPAPS reduces the LPS-induced pro-inflammatory expression in these populations. These results show the importance of OxPAPE and OxPAPS as modulators of the inflammatory response and demonstrate their possible contribution to the onset and resolution of human diseases related to oxidative stress and inflammation.
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44
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Kumar S, Calianese D, Birge RB. Efferocytosis of dying cells differentially modulate immunological outcomes in tumor microenvironment. Immunol Rev 2018; 280:149-164. [PMID: 29027226 DOI: 10.1111/imr.12587] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Programmed cell death (apoptosis) is an integral part of tissue homeostasis in complex organisms, allowing for tissue turnover, repair, and renewal while simultaneously inhibiting the release of self antigens and danger signals from apoptotic cell-derived constituents that can result in immune activation, inflammation, and autoimmunity. Unlike cells in culture, the physiological fate of cells that die by apoptosis in vivo is their rapid recognition and engulfment by phagocytic cells (a process called efferocytosis). To this end, apoptotic cells express specific eat-me signals, such as externalized phosphatidylserine (PS), that are recognized in a specific context by receptors to initiate signaling pathways for engulfment. The importance of carefully regulated recognition and clearance pathways is evident in the spectrum of inflammatory and autoimmune disorders caused by defects in PS receptors and signaling molecules. However, in recent years, several additional cell death pathways have emerged, including immunogenic cell death, necroptosis, pyroptosis, and netosis that interweave different cell death pathways with distinct innate and adaptive responses from classical apoptosis that can shape long-term host immunity. In this review, we discuss the role of different cell death pathways in terms of their immune potential outcomes specifically resulting in specific cell corpse/phagocyte interactions (phagocytic synapses) that impinge on host immunity, with a main emphasis on tolerance and cancer immunotherapy.
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Affiliation(s)
- Sushil Kumar
- New Jersey Medical School, Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers University, Newark, NJ, USA
| | - David Calianese
- New Jersey Medical School, Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers University, Newark, NJ, USA
| | - Raymond B Birge
- New Jersey Medical School, Department of Microbiology, Biochemistry and Molecular Genetics, Rutgers University, Newark, NJ, USA
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45
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Krysko O, Aaes TL, Kagan VE, D'Herde K, Bachert C, Leybaert L, Vandenabeele P, Krysko DV. Necroptotic cell death in anti-cancer therapy. Immunol Rev 2018; 280:207-219. [PMID: 29027225 DOI: 10.1111/imr.12583] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Necroptosis is one the best-characterized forms of regulated necrosis. Necroptosis is mediated by the kinase activities of receptor interacting protein kinase-1 and receptor interacting protein kinase-3, which eventually lead to the activation of mixed lineage kinase domain-like. Necroptosis is characterized by rapid permeabilization of the plasma membrane, which is associated with the release of the cell content and subsequent exposure of damage-associated molecular patterns (DAMPs) and cytokines/chemokines. This release underlies the immunogenic nature of necroptotic cancer cells and their ability to induce efficient anti-tumor immunity. Triggering necroptosis has become especially important in experimental cancer treatments as an alternative to triggering apoptosis because one of the hallmarks of cancer is the blockade or evasion of apoptosis. In this review, we discuss recent advances in necroptosis research and the functional consequences of necroptotic cancer cell death, with focus on its immunogenicity and its role in the activation of anti-tumor immunity. Next, we discuss the molecular mechanisms of phosphatidylserine exposure during necroptosis and its role in the recognition of necroptotic cells. We also highlight the complex role of the necroptotic pathway in tumor promotion and suppression and in metastasis. Future studies will show whether necroptosis is truly a better strategy to overcome apoptosis resistance and provide the insights needed for development of novel treatment strategies for cancer.
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Affiliation(s)
- Olga Krysko
- Upper Airway Research Laboratory, Department of Oto-Rhino-Laryngology, Ghent University, Ghent, Belgium
| | - Tania Løve Aaes
- VIB-UGent Center for Inflammation Research (IRC), VIB, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Valerian E Kagan
- Center for Free Radical and Antioxidant Health, University of Pittsburgh, Pittsburgh, PA, USA.,Department of Environmental and Occupational Health, University of Pittsburgh, Pittsburgh, PA, USA
| | - Katharina D'Herde
- Department of Basic Medical Sciences, Ghent University, Ghent, Belgium
| | - Claus Bachert
- Upper Airway Research Laboratory, Department of Oto-Rhino-Laryngology, Ghent University, Ghent, Belgium
| | - Luc Leybaert
- Department of Basic Medical Sciences, Ghent University, Ghent, Belgium
| | - Peter Vandenabeele
- VIB-UGent Center for Inflammation Research (IRC), VIB, Ghent, Belgium.,Department of Biomedical Molecular Biology, Ghent University, Ghent, Belgium.,Cancer Research Institute Ghent (CRIG), Ghent, Belgium
| | - Dmitri V Krysko
- Cancer Research Institute Ghent (CRIG), Ghent, Belgium.,Department of Basic Medical Sciences, Ghent University, Ghent, Belgium
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46
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Manfredi AA, Ramirez GA, Rovere-Querini P, Maugeri N. The Neutrophil's Choice: Phagocytose vs Make Neutrophil Extracellular Traps. Front Immunol 2018. [PMID: 29515586 PMCID: PMC5826238 DOI: 10.3389/fimmu.2018.00288] [Citation(s) in RCA: 150] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Neutrophils recognize particulate substrates of microbial or endogenous origin and react by sequestering the cargo via phagocytosis or by releasing neutrophil extracellular traps (NETs) outside the cell, thus modifying and alerting the environment and bystander leukocytes. The signals that determine the choice between phagocytosis and the generation of NETs are still poorly characterized. Neutrophils that had phagocytosed bulky particulate substrates, such as apoptotic cells and activated platelets, appear to be “poised” in an unresponsive state. Environmental conditions, the metabolic, adhesive and activation state of the phagocyte, and the size of and signals associated with the tethered phagocytic cargo influence the choice of the neutrophils, prompting either phagocytic clearance or the generation of NETs. The choice is dichotomic and apparently irreversible. Defects in phagocytosis may foster the intravascular generation of NETs, thus promoting vascular inflammation and morbidities associated with diseases characterized by defective phagocytic clearance, such as systemic lupus erythematosus. There is a strong potential for novel treatments based on new knowledge of the events determining the inflammatory and pro-thrombotic function of inflammatory leukocytes.
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Affiliation(s)
- Angelo A Manfredi
- Università Vita-Salute San Raffaele, Milano, Italy.,Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Giuseppe A Ramirez
- Università Vita-Salute San Raffaele, Milano, Italy.,Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Patrizia Rovere-Querini
- Università Vita-Salute San Raffaele, Milano, Italy.,Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, Milano, Italy
| | - Norma Maugeri
- Università Vita-Salute San Raffaele, Milano, Italy.,Division of Immunology, Transplantation and Infectious Diseases, IRCCS Ospedale San Raffaele, Milano, Italy
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Hughes LD, Bosurgi L, Ghosh S, Rothlin CV. Chronicles of Cell Death Foretold: Specificities in the Mechanism of Disposal. Front Immunol 2017; 8:1743. [PMID: 29312294 PMCID: PMC5732325 DOI: 10.3389/fimmu.2017.01743] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2017] [Accepted: 11/23/2017] [Indexed: 12/19/2022] Open
Abstract
Massive turnover of cells occurs through apoptosis during the constant remodeling of our tissues at homeostasis, from the shedding of cells at exposed barrier surfaces to the elimination of autoreactive lymphocytes. However, a surge of apoptotic cells also accompanies tissue damage, infection, and inflammation. A salient feature of apoptosis in either scenario is the exposure of phosphatidylserine (PtdSer) on the outer leaflet of the plasma membrane. In response to this cue, a range of phagocytes are charged with the sizeable task of engulfing apoptotic bodies and disposing of the billions of cells that perish each day. The presence of apoptotic cells in the remarkably distinct immunological settings described above, therefore, raises the question of how phagocytes are able to coordinate appropriate responses to apoptotic cells—from their silent removal to the production of growth factors or tissue repair molecules—following such a ubiquitous signal as PtdSer exposure. Here, we consider several emergent properties of phagocytes and apoptotic cell clearance that may facilitate specification among this suite of potential responses.
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Affiliation(s)
- Lindsey D Hughes
- Department of Immunobiology, School of Medicine, Yale University, New Haven, CT, United States
| | - Lidia Bosurgi
- I. Medizinische Klinik und Poliklinik, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Germany.,Bernard-Nocht-Institut für Tropenmedizin, Hamburg, Germany
| | - Sourav Ghosh
- Department of Pharmacology, School of Medicine, Yale University, New Haven, CT, United States.,Department of Neurology, School of Medicine, Yale University, New Haven, CT, United States
| | - Carla V Rothlin
- Department of Immunobiology, School of Medicine, Yale University, New Haven, CT, United States.,Department of Pharmacology, School of Medicine, Yale University, New Haven, CT, United States
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48
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Gan L, Zhong L, Shan Z, Xiao C, Xu T, Song H, Li L, Yang R, Liu B. Epigallocatechin-3-gallate induces apoptosis in acute promyelocytic leukemia cells via a SHP-1-p38α MAPK-Bax cascade. Oncol Lett 2017; 14:6314-6320. [PMID: 29113283 DOI: 10.3892/ol.2017.6980] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2016] [Accepted: 08/08/2017] [Indexed: 01/13/2023] Open
Abstract
Acute promyelocytic leukemia (APL) is characterized by a specific chromosomal translation, resulting in a fusion gene that affects the differentiation, proliferation and apoptosis of APL cells. Epigallocatechin-3-gallate (EGCG), a catechin, exhibits numerous biological functions, including antitumor activities. Previous studies have reported that EGCG induces apoptosis in NB4 cells. However, the molecular mechanism underlying EGCG-induced apoptosis remains unclear. The present study aimed to determine the molecular basis of EGCG-induced apoptosis in NB4 cells. EGCG treatment significantly inhibited the viability of NB4 cells in a dose-dependent manner. In addition, EGCG treatment induced apoptosis and increased the levels of (Bcl-2-like protein 4) Bax protein expression. Moreover, EGCG treatment was able to increase phosphorylated (p)-p38α mitogen-activated protein kinase (MAPK) and Src homology 1 domain-containing protein tyrosine phosphatase (SHP-1) expression. Pretreatment with PD169316 (a p38 MAPK inhibitor) partially blocked EGCG-induced apoptosis and inhibited EGCG-mediated Bax expression. Similarly, pretreatment with NSC87877, an inhibitor of SHP-1, partially blocked EGCG-induced apoptosis and inhibited EGCG-mediated increases in p-p38α MAPK and Bax expression. Therefore, the results of the present study indicate that EGCG is able to induce apoptosis in NB4 cells via the SHP-1-p38αMAPK-Bax cascade.
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Affiliation(s)
- Liugen Gan
- Central Laboratory, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, P.R. China.,Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Liang Zhong
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Zhiling Shan
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Chunlan Xiao
- Central Laboratory, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, P.R. China
| | - Ting Xu
- Central Laboratory, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, P.R. China
| | - Hao Song
- Central Laboratory, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, P.R. China
| | - Liu Li
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Rong Yang
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
| | - Beizhong Liu
- Central Laboratory, Yongchuan Hospital, Chongqing Medical University, Chongqing 402160, P.R. China.,Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Faculty of Laboratory Medical, Chongqing Medical University, Chongqing 400016, P.R. China
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Effect of high fat diet on phenotype, brain transcriptome and lipidome in Alzheimer's model mice. Sci Rep 2017; 7:4307. [PMID: 28655926 PMCID: PMC5487356 DOI: 10.1038/s41598-017-04412-2] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Accepted: 05/15/2017] [Indexed: 02/01/2023] Open
Abstract
We examined the effect of chronic high fat diet (HFD) on amyloid deposition and cognition of 12-months old APP23 mice, and correlated the phenotype to brain transcriptome and lipidome. HFD significantly increased amyloid plaques and worsened cognitive performance compared to mice on normal diet (ND). RNA-seq results revealed that in HFD mice there was an increased expression of genes related to immune response, such as Trem2 and Tyrobp. We found a significant increase of TREM2 immunoreactivity in the cortex in response to HFD, most pronounced in female mice that correlated to the amyloid pathology. Down-regulated by HFD were genes related to neuron projections and synaptic transmission in agreement to the significantly deteriorated neurite morphology and cognition in these mice. To examine the effect of the diet on the brain lipidome, we performed Shotgun Lipidomics. While there was no difference in the total amounts of phospholipids of each class, we revealed that the levels of 24 lipid sub-species in the brain were significantly modulated by HFD. Network visualization of correlated lipids demonstrated overall imbalance with most prominent effect on cardiolipin molecular sub-species. This integrative approach demonstrates that HFD elicits a complex response at molecular, cellular and system levels in the CNS.
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50
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Vladimirov YA, Sarisozen C, Vladimirov GK, Filipczak N, Polimova AM, Torchilin VP. The Cytotoxic Action of Cytochrome C/Cardiolipin Nanocomplex (Cyt-CL) on Cancer Cells in Culture. Pharm Res 2017; 34:1264-1275. [PMID: 28321609 DOI: 10.1007/s11095-017-2143-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2017] [Accepted: 03/09/2017] [Indexed: 12/29/2022]
Abstract
PURPOSE The effect of existing anti-cancer therapies is based mainly on the stimulation of apoptosis in cancer cells. Here, we have demonstrated the ability of a catalytically-reactive nanoparticle-based complex of cytochrome c with cardiolipin (Cyt-CL) to induce the apoptosis and killing of cancer cells in a monolayer cell culture. METHODS Cyt-CL nanoparticles were prepared by complexing CytC with different molar excesses of CL. Following characterization, cytotoxicity and apoptosis inducing effects of nanoparticles were investigated. In an attempt to identify the anticancer activity mechanism of Cyt-CL, pseudo-lipoxygenase and lipoperoxidase reaction kinetics were measured by chemiluminescence. RESULTS Using chemiluminescence, we have demonstrated that the Cyt-CL complex produces lipoperoxide radicals in two reactions: by decomposition of lipid hydroperoxides, and by lipid peroxidation under the action of H2O2. Antioxidants inhibited the formation of lipid radicals. Cyt-CL nanoparticles, but not the CytC alone, dramatically enhanced the level of apoptosis and cell death in two cell lines: drug-sensitive (A2780) and doxorubicin-resistant (A2780-Adr). The proposed mechanism of the cytotoxic action of Cyt-CL involves either penetration through the cytoplasm and outer mitochondrial membrane and catalysis of lipid peroxidation reactions at the inner mitochondrial membrane, or/and activation of lipid peroxidation within the cytoplasmic membrane. CONCLUSIONS Here we propose a new type of anticancer nano-formulation, with an action based on the catalytic action of Cyt-CL nanoparticles on the cell membrane and and/or mitochondrial membranes that results in lipid peroxidation reactions, which give rise to activation of apoptosis in cancer cells, including multidrug resistant cells.
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Affiliation(s)
- Yury A Vladimirov
- Faculty of Basic Medicine, M.V. Lomonosov Moscow State University, 27/1 Lomonosovsky Prospekt, Moscow, 119192, Russian Federation. .,Federal Research Center: Crystallography and Photonics, Russian Academy of Sciences, Leninsky Prospekt 59, Moscow, 119333, Russian Federation.
| | - Can Sarisozen
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts, 02115, USA
| | - Georgy K Vladimirov
- Faculty of Basic Medicine, M.V. Lomonosov Moscow State University, 27/1 Lomonosovsky Prospekt, Moscow, 119192, Russian Federation.,Federal Research Center: Crystallography and Photonics, Russian Academy of Sciences, Leninsky Prospekt 59, Moscow, 119333, Russian Federation
| | - Nina Filipczak
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts, 02115, USA
| | - Anastasia M Polimova
- Federal Research Center: Crystallography and Photonics, Russian Academy of Sciences, Leninsky Prospekt 59, Moscow, 119333, Russian Federation
| | - Vladimir P Torchilin
- Center for Pharmaceutical Biotechnology and Nanomedicine, Northeastern University, 360 Huntington Avenue, Boston, Massachusetts, 02115, USA
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