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Velásquez SY, Baslar GE, Schulte J, Fuderer T, Lindner HA, Coulibaly A. Downregulation of Hypoxia Inducible Factor-1α in Primary Human Natural Killer Cells Using Small Interfering RNA Delivery with ExPERT ATx by MaxCyte. Curr Protoc 2024; 4:e987. [PMID: 38327104 DOI: 10.1002/cpz1.987] [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] [Indexed: 02/09/2024]
Abstract
Natural killer (NK) cells are innate cytokine-producing and cytolytic effector lymphocytes. Their function is responsive to environmental factors, e.g., hypoxia, a frequent feature of inflamed tissues. Such responses require that the NK cells up-regulate HIF-1α (hypoxia inducible factor-1α), the major mediator of cellular responses to hypoxia that affects cell survival as well as immune responses. Thus, a major approach to the study of NK cell effector function under hypoxic conditions involves the ability to regulate HIF-1α levels in primary human NK cells. One difficulty with this approach, however, is that NK cells are difficult-to-transfect cells and common transfection methods, including electroporation or lipofection, suffer from variable transfection efficiency and cell viability. Moreover, the detection of HIF-1α is technically challenging because of the rapid degradation of the protein under normoxic conditions. Here, using the commercially available ExPERT ATx by MaxCyte, we report a workflow for the reliable delivery of small interfering RNA (siRNA) for targeting HIF-1α expression in primary human NK cells. We further provide a protocol for the detection of HIF-1α by immunoblot analysis demonstrating its efficient downregulation by siRNA. © 2024 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Isolation of natural killer cells from human peripheral blood mononuclear cells Basic Protocol 2: Delivery of non-coding small interfering RNA and HIF-1α targeting siRNA into natural killer cells using ExPERT ATx Basic Protocol 3: Assessing the downregulation of HIF-1α protein using immunoblot analysis Support Protocol 1: Exemplary assessment of transfection efficiency using fluorescently labeled non-targeting siRNA Support Protocol 2: Exemplary assessment of NK cell viability 20 hr post-transfection Support Protocol 3: Exemplary assessment of HIF-1α knockdown using immunoblot analysis.
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Affiliation(s)
- Sonia Y Velásquez
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
| | - Gizem E Baslar
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
| | - Jutta Schulte
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
| | - Tanja Fuderer
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
| | - Holger A Lindner
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
| | - Anna Coulibaly
- Department of Anesthesiology and Surgical Intensive Care Medicine, Mannheim Institute of Innate Immunoscience (MI3), Heidelberg University, Mannheim, Germany
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2
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Zhang L, Wang X, Nepovimova E, Wu Q, Wu W, Kuca K. Deoxynivalenol upregulates hypoxia-inducible factor-1α to promote an "immune evasion" process by activating STAT3 signaling. Food Chem Toxicol 2023; 179:113975. [PMID: 37517547 DOI: 10.1016/j.fct.2023.113975] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 07/24/2023] [Accepted: 07/26/2023] [Indexed: 08/01/2023]
Abstract
Trichothecene mycotoxin deoxynivalenol (DON) negatively regulates immune response by damaging host immune system and harming the organism's health. We hypothesized that DON can initiate an active immunosuppressive mechanism similar to "immune evasion" to alter the cellular microenvironment and evade immune surveillance. We tested this hypothesis using the RAW264.7 macrophage model. DON rapidly increased the expression of immune checkpoints PD-1 and PD-L1, inflammatory cytokine TGF-β, and key immune evasion factors STAT3, VEGF, and TLR-4, and caused cellular hypoxia. Importantly, hypoxia-inducible factor-1α (HIF-1α) acts as a key regulator of DON-induced immunosuppression. HIF-1α accumulated in the cytoplasm and was gradually transferred to the nucleus following DON treatment. Moreover, DON activated HIF-1α through STAT3 signaling to upregulate downstream signaling, including PD-1/PD-L1. Under DON treatment, immunosuppressive miR-210-3p, lncRNA PVT1, lncRNA H19, and lncRNA HOTAIR were upregulated by the STAT3/HIF-1α axis. Moreover, DON damaged mitochondrial function, causing mitophagy, and suppressed immune defenses. Collectively, DON triggered RAW264.7 intracellular hypoxia and rapidly activated HIF-1α via STAT3 signaling, activating immune evasion signals, miRNAs, and lncRNAs, thereby initiating the key link of immune evasion. This study offers further clues for accurate prevention and treatment of immune diseases caused by mycotoxins.
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Affiliation(s)
- Luying Zhang
- College of Life Science, Yangtze University, Jingzhou, 434025, China
| | - Xu Wang
- National Reference Laboratory of Veterinary Drug Residues and MAO Key Laboratory for Detection of Veterinary Drug Residues, Huazhong Agricultural University (HZAU), Wuhan, 430070, China
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou, 434025, China; Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic.
| | - Wenda Wu
- School of Food and Biological Engineering, Hefei University of Technology, Hefei, 230009, China; Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic.
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic; Biomedical Research Center, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic.
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3
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Ferrante P, Preziosi L, Scianna M. Modeling hypoxia-related inflammation scenarios. Math Biosci 2023; 355:108952. [PMID: 36528132 DOI: 10.1016/j.mbs.2022.108952] [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: 05/15/2022] [Revised: 11/26/2022] [Accepted: 12/01/2022] [Indexed: 12/15/2022]
Abstract
Cells respond to hypoxia via the activation of three isoforms of Hypoxia Inducible Factors (HIFs), that are characterized by different activation times. HIF overexpression has many effects on cell behavior, such as change in metabolism, promotion of angiogenic processes and elicitation of a pro-inflammatory response. These effects are driving forces of malignant progression in cancer cells. In this work we study in detail hypoxia-induced dynamics of HIF1α and HIF2α, which are the most studied isoforms, comparing available experimental data on their evolution in tumor cells with the results obtained integrating the deduced mathematical model. Then, we examine the possible scenarios that characterize the link between hypoxia and inflammation via the activation of NFkB (Nuclear Factor k-light-chain-enhancer of activated B cells) when the dimensionless groups of parameters of the mathematical model change. In this way we are able to discuss why and when hypoxic conditions lead to acute or chronic inflammatory states.
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Affiliation(s)
- P Ferrante
- Department Mathematical Sciences, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy; Candiolo Cancer Institute FPO-IRCCS, Candiolo, Italy.
| | - L Preziosi
- Department Mathematical Sciences, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy.
| | - M Scianna
- Department Mathematical Sciences, Politecnico di Torino, Corso Duca degli Abruzzi 24, Torino, Italy.
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4
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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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Witalisz-Siepracka A, Klein K, Zdársky B, Stoiber D. The Multifaceted Role of STAT3 in NK-Cell Tumor Surveillance. Front Immunol 2022; 13:947568. [PMID: 35865518 PMCID: PMC9294167 DOI: 10.3389/fimmu.2022.947568] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Signal transducer and activator of transcription 3 (STAT3) is a member of the Janus kinase (JAK)-STAT pathway, which is one of the key pathways contributing to cancer. STAT3 regulates transcription downstream of many cytokines including interleukin (IL)-6 and IL-10. In cancer, STAT3 is mainly described as a tumor promoter driving tumor cell proliferation, resistance to apoptosis, angiogenesis and metastasis and aberrant activation of STAT3 is associated with poor prognosis. STAT3 is also an important driver of immune evasion. Among many other immunosuppressive mechanisms, STAT3 aids tumor cells to escape natural killer (NK) cell-mediated immune surveillance. NK cells are innate lymphocytes, which can directly kill malignant cells but also regulate adaptive immune responses and contribute to the composition of the tumor microenvironment. The inborn ability to lyse transformed cells renders NK cells an attractive tool for cancer immunotherapy. Here, we provide an overview of the role of STAT3 in the dynamic interplay between NK cells and tumor cells. On the one hand, we summarize the current knowledge on how tumor cell-intrinsic STAT3 drives the evasion from NK cells. On the other hand, we describe the multiple functions of STAT3 in regulating NK-cell cytotoxicity, cytokine production and their anti-tumor responses in vivo. In light of the ongoing research on STAT3 inhibitors, we also discuss how targeting STAT3 would affect the two arms of STAT3-dependent regulation of NK cell-mediated anti-tumor immunity. Understanding the complexity of this interplay in the tumor microenvironment is crucial for future implementation of NK cell-based immunotherapies.
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Affiliation(s)
- Agnieszka Witalisz-Siepracka
- Department of Pharmacology, Physiology and Microbiology, Division Pharmacology, Karl Landsteiner University of Health Sciences, Krems, Austria
| | - Klara Klein
- Institute of Pharmacology and Toxicology, University of Veterinary Medicine, Vienna, Austria
| | - Bernhard Zdársky
- Department of Pharmacology, Physiology and Microbiology, Division Pharmacology, Karl Landsteiner University of Health Sciences, Krems, Austria
| | - Dagmar Stoiber
- Department of Pharmacology, Physiology and Microbiology, Division Pharmacology, Karl Landsteiner University of Health Sciences, Krems, Austria
- *Correspondence: Dagmar Stoiber,
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6
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Prybutok AN, Cain JY, Leonard JN, Bagheri N. Fighting fire with fire: deploying complexity in computational modeling to effectively characterize complex biological systems. Curr Opin Biotechnol 2022; 75:102704. [DOI: 10.1016/j.copbio.2022.102704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2021] [Revised: 01/27/2022] [Accepted: 02/06/2022] [Indexed: 11/03/2022]
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7
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Zhang W, Zhao Z, Li F. Natural killer cell dysfunction in cancer and new strategies to utilize NK cell potential for cancer immunotherapy. Mol Immunol 2022; 144:58-70. [DOI: 10.1016/j.molimm.2022.02.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 02/11/2022] [Accepted: 02/15/2022] [Indexed: 12/18/2022]
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Zhang L, Kuca K, You L, Zhao Y, Musilek K, Nepovimova E, Wu Q, Wu W, Adam V. Signal transducer and activator of transcription 3 signaling in tumor immune evasion. Pharmacol Ther 2021; 230:107969. [PMID: 34450232 DOI: 10.1016/j.pharmthera.2021.107969] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023]
Abstract
The underlying mechanism of tumor immune evasion is a highly concerning subject for researchers. Increasing evidences reveal that the over-activated signal transducer and activator of transcription 3 (STAT3) is a crucial molecular hub in malignant tumors. STAT3 controls autophagy molecules that impair CTL-mediated tumor cell lysis, inhibiting natural killer cells and inducing apoptosis in T lymphocytes to create an immunosuppressive environment. STAT3 signaling regulates the expression of immune factors and recruits immunosuppressive cells to establish a tolerant tumor microenvironment (TME). STAT3 signaling regulates the expression of immune factors and recruits immunosuppressive cells to create an immunosuppressive environment. All this aid tumor cells in escaping from immune surveillance. In this review, we outlined the STAT3-mediated mechanisms involved in tumor immune evasion and their potential regulatory functions in the TME. We discussed the impact of STAT3 signaling on PD-L1, HIF-1α, exosome, lncRNA, and autophagy in the promotion of tumor immune evasion and highlighted the recent research on STAT3 signaling and tumor immune evasion that may assist in developing effective STAT3-targeted drugs for advancing immunotherapy.
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Affiliation(s)
- Luying Zhang
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Kamil Kuca
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic
| | - Li You
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Yingying Zhao
- College of Life Science, Yangtze University, Jingzhou 434025, China
| | - Kamil Musilek
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic
| | - Eugenie Nepovimova
- Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic
| | - Qinghua Wu
- College of Life Science, Yangtze University, Jingzhou 434025, China; Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic.
| | - Wenda Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; Department of Chemistry, Faculty of Science, University of Hradec Kralove, Hradec Králové 500 03, Czech Republic.
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Brno 613 00, Czech Republic; Central European Institute of Technology, Brno University of Technology, Brno 602 00, Czech Republic.
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9
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Li ZL, Ji JL, Wen Y, Cao JY, Kharbuja N, Ni WJ, Yin D, Feng ST, Liu H, Lv LL, Liu BC, Wang B. HIF-1α is transcriptionally regulated by NF-κB in acute kidney injury. Am J Physiol Renal Physiol 2021; 321:F225-F235. [PMID: 34229478 DOI: 10.1152/ajprenal.00119.2021] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Oxygen homeostasis disturbances play a critical role in the pathogenesis of acute kidney injury (AKI). The transcription factor hypoxia-inducible factor-1 (HIF-1) is a master regulator of adaptive responses to hypoxia. Aside from posttranslational hydroxylation, the mechanism of HIF-1 regulation in AKI remains largely unclear. In this study, the mechanism of HIF-α regulation in AKI was investigated. We found that tubular HIF-1α expression significantly increased at the transcriptional level in ischemia-reperfusion-, unilateral ureteral obstruction-, and sepsis-induced AKI models, which was closely associated with macrophage-dependent inflammation. Meanwhile, NF-κB, which plays a central role in the inflammation response, was involved in the increasing expression of HIF-1α in AKI, as evidenced by pharmacological modulation (NF-κB inhibitor BAY11-7082). Mechanistically, NF-κB directly bound to the HIF-1α promoter and enhanced its transcription, which occurred not only under hypoxic conditions but also under normoxic conditions. Moreover, the induced HIF-1α by inflammation protected against tubular injury in AKI. Thus, our findings not only provide novel insights into HIF-1 regulation in AKI but also offer to understand the pathophysiology of kidney diseases.NEW & NOTEWORTHY Here, the mechanism of hypoxia-inducible factor-α (HIF-α) regulation in acute kidney injury (AKI) was investigated. We found that tubular HIF-1α expression significantly increased at the transcriptional level, which was closely associated with macrophage-dependent inflammation. Meanwhile, NF-κB was involved in the increasing expression of HIF-1α in AKI. Mechanistically, NF-κB directly bound to the HIF-1α promoter and enhanced its transcription. Our findings not only provide novel insights into HIF-1 regulation in AKI but also offer to understand the pathophysiology of kidney diseases.
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Affiliation(s)
- Zuo-Lin Li
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Jia-Ling Ji
- Department of Pediatric Nephrology, The Second Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, People's Republic of China
| | - Yi Wen
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Jing-Yuan Cao
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Naresh Kharbuja
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Wei-Jie Ni
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Di Yin
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Song-Tao Feng
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Hong Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Lin-Li Lv
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Bi-Cheng Liu
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
| | - Bin Wang
- Institute of Nephrology, Zhongda Hospital, Southeast University School of Medicine, Nanjing, Jiangsu, People's Republic of China
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Hasan F, Chiu Y, Shaw RM, Wang J, Yee C. Hypoxia acts as an environmental cue for the human tissue-resident memory T cell differentiation program. JCI Insight 2021; 6:138970. [PMID: 34027895 PMCID: PMC8262358 DOI: 10.1172/jci.insight.138970] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 04/07/2021] [Indexed: 12/31/2022] Open
Abstract
Tissue-resident memory T cells (TRM) provide frontline defense against infectious diseases and contribute to antitumor immunity; however, aside from the necessity of TGF-β, knowledge regarding TRM-inductive cues remains incomplete, particularly for human cells. Oxygen tension is an environmental cue that distinguishes peripheral tissues from the circulation, and here, we demonstrate that differentiation of human CD8+ T cells in the presence of hypoxia and TGF-β1 led to the development of a TRM phenotype, characterized by a greater than 5-fold increase in CD69+CD103+ cells expressing human TRM hallmarks and enrichment for endogenous human TRM gene signatures, including increased adhesion molecule expression and decreased expression of genes involved in recirculation. Hypoxia and TGF-β1 synergized to produce a significantly larger population of TRM phenotype cells than either condition alone, and comparison of these cells from the individual and combination conditions revealed distinct phenotypic and transcriptional profiles, indicating a programming response to milieu rather than a mere expansion. Our findings identify a likely previously unreported cue for the TRM differentiation program and can enable facile generation of human TRM phenotype cells in vitro for basic studies and translational applications such as adoptive cellular therapy.
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Affiliation(s)
- Farah Hasan
- Department of Melanoma Medical Oncology, University of Texas (UT) MD Anderson Cancer Center, Houston, Texas, USA.,MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, Texas, USA
| | - Yulun Chiu
- Department of Melanoma Medical Oncology, University of Texas (UT) MD Anderson Cancer Center, Houston, Texas, USA
| | - Rebecca M Shaw
- Department of Melanoma Medical Oncology, University of Texas (UT) MD Anderson Cancer Center, Houston, Texas, USA
| | - Junmei Wang
- Department of Melanoma Medical Oncology, University of Texas (UT) MD Anderson Cancer Center, Houston, Texas, USA
| | - Cassian Yee
- Department of Melanoma Medical Oncology, University of Texas (UT) MD Anderson Cancer Center, Houston, Texas, USA.,Department of Immunology, UT MD Anderson Cancer Center, Houston, Texas, USA
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11
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Coulibaly A, Velásquez SY, Kassner N, Schulte J, Barbarossa MV, Lindner HA. STAT3 governs the HIF-1α response in IL-15 primed human NK cells. Sci Rep 2021; 11:7023. [PMID: 33782423 PMCID: PMC8007797 DOI: 10.1038/s41598-021-84916-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Accepted: 02/01/2021] [Indexed: 02/01/2023] Open
Abstract
Natural killer (NK) cells mediate innate host defense against microbial infection and cancer. Hypoxia and low glucose are characteristic for these tissue lesions but do not affect early interferon (IFN) γ and CC chemokine release by interleukin 15 (IL-15) primed human NK cells in vitro. Hypoxia inducible factor 1α (HIF-1α) mediates cellular adaption to hypoxia. Its production is supported by mechanistic target of rapamycin complex 1 (mTORC1) and signal transducer and activator of transcription 3 (STAT3). We used chemical inhibition to probe the importance of mTORC1 and STAT3 for the hypoxia response and of STAT3 for the cytokine response in isolated and IL-15 primed human NK cells. Cellular responses were assayed by magnetic bead array, RT-PCR, western blotting, flow cytometry, and metabolic flux analysis. STAT3 but not mTORC1 activation was essential for HIF-1α accumulation, glycolysis, and oxygen consumption. In both primed normoxic and hypoxic NK cells, STAT3 inhibition reduced the secretion of CCL3, CCL4 and CCL5, and it interfered with IL-12/IL-18 stimulated IFNγ production, but it did not affect cytotoxic granule degranulation up on target cell contact. We conclude that IL-15 priming promotes the HIF-1α dependent hypoxia response and the early cytokine response in NK cells predominantly through STAT3 signaling.
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Affiliation(s)
- Anna Coulibaly
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Sonia Y. Velásquez
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Nina Kassner
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Jutta Schulte
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Maria Vittoria Barbarossa
- grid.7700.00000 0001 2190 4373Interdisciplinary Center for Scientific Computing, Heidelberg University, 69120 Heidelberg, Germany ,grid.417999.bFrankfurt Institute of Advanced Studies, 60438 Frankfurt, Germany
| | - Holger A. Lindner
- grid.7700.00000 0001 2190 4373Department of Anesthesiology and Surgical Intensive Care Medicine, University Medical Center Mannheim, Mannheim Institute for Innate Immunoscience (MI3), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
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12
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Emami Nejad A, Najafgholian S, Rostami A, Sistani A, Shojaeifar S, Esparvarinha M, Nedaeinia R, Haghjooy Javanmard S, Taherian M, Ahmadlou M, Salehi R, Sadeghi B, Manian M. The role of hypoxia in the tumor microenvironment and development of cancer stem cell: a novel approach to developing treatment. Cancer Cell Int 2021; 21:62. [PMID: 33472628 PMCID: PMC7816485 DOI: 10.1186/s12935-020-01719-5] [Citation(s) in RCA: 272] [Impact Index Per Article: 90.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2020] [Revised: 12/11/2020] [Accepted: 12/16/2020] [Indexed: 12/13/2022] Open
Abstract
Hypoxia is a common feature of solid tumors, and develops because of the rapid growth of the tumor that outstrips the oxygen supply, and impaired blood flow due to the formation of abnormal blood vessels supplying the tumor. It has been reported that tumor hypoxia can: activate angiogenesis, thereby enhancing invasiveness and risk of metastasis; increase survival of tumor, as well as suppress anti-tumor immunity and hamper the therapeutic response. Hypoxia mediates these effects by several potential mechanisms: altering gene expression, the activation of oncogenes, inactivation of suppressor genes, reducing genomic stability and clonal selection. We have reviewed the effects of hypoxia on tumor biology and the possible strategiesto manage the hypoxic tumor microenvironment (TME), highlighting the potential use of cancer stem cells in tumor treatment.
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Affiliation(s)
- Asieh Emami Nejad
- Department of Biology, Payame Noor University (PNU), P.O.Box 19395-3697, Tehran, Iran
| | - Simin Najafgholian
- Department of Emergency Medicine, School of Medicine , Arak University of Medical Sciences, Arak, Iran
| | - Alireza Rostami
- Department of Surgery, School of Medicine Amiralmomenin Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Alireza Sistani
- Department of Emergency Medicine, School of Medicine Valiasr Hospital, Arak University of Medical Sciences, Arak, Iran
| | - Samaneh Shojaeifar
- Department of Midwifery, Faculty of Nursing and Midwifery , Arak University of Medical Sciences , Arak, Iran
| | - Mojgan Esparvarinha
- Department of Immunology, School of Medicine , Tabriz University of Medical Sciences , Tabriz, Iran
| | - Reza Nedaeinia
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease , Isfahan University of Medical Sciences , Isfahan, Iran
| | - Shaghayegh Haghjooy Javanmard
- Applied Physiology Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences , Isfahan, Iran
| | - Marjan Taherian
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mojtaba Ahmadlou
- Sciences Medical of University Arak, Hospital Amiralmomenin, Center Development Research Clinical, Arak, Iran
| | - Rasoul Salehi
- Pediatric Inherited Diseases Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease , Isfahan University of Medical Sciences , Isfahan, Iran.,Department of Genetics and Molecular Biology, School of Medicine , Isfahan University of Medical Sciences , Isfahan, Iran
| | - Bahman Sadeghi
- Department of Health and Community Medicine, School of Medicine, Arak University of Medical Sciences, Arak, 3848176341, Iran.
| | - Mostafa Manian
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran. .,Department of Medical Laboratory Science, Faculty of Medical Science Kermanshah Branch, Islamic Azad University, Imam Khomeini Campus, Farhikhtegan Bld., Shahid J'afari St., Kermanshah, 3848176341, Iran.
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Velásquez SY, Himmelhan BS, Kassner N, Coulibaly A, Schulte J, Brohm K, Lindner HA. Innate Cytokine Induced Early Release of IFNγ and CC Chemokines from Hypoxic Human NK Cells Is Independent of Glucose. Cells 2020; 9:cells9030734. [PMID: 32192004 PMCID: PMC7140646 DOI: 10.3390/cells9030734] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 03/13/2020] [Accepted: 03/14/2020] [Indexed: 02/06/2023] Open
Abstract
Natural killer (NK) cells are among the first innate immune cells to arrive at sites of tissue inflammation and regulate the immune response to infection and tumors by the release of cytokines including interferon (IFN)γ. In vitro exposure to the innate cytokines interleukin 15 (IL-15) and IL-12/IL-18 enhances NK cell IFNγ production which, beyond 16 h of culture, was shown to depend on metabolic switching to glycolysis. NK effector responses are, however, rapid by comparison. Therefore, we sought to evaluate the importance of glycolysis for shorter-term IFNγ production, considering glucose deprivation and hypoxia as adverse tissue inflammation associated conditions. Treatments with IL-15 for 6 and 16 h were equally effective in priming early IFNγ production in human NK cells in response to secondary IL-12/IL-18 stimulation. Short-term priming was not associated with glycolytic switching but induced the release of IFNγ and, additionally, CCL3, CCL4 and CCL5 from both normoxic and hypoxic NK cells in an equally efficient and, unexpectedly, glucose independent manner. We conclude that release of IFNγ and CC chemokines in the early innate immune response is a metabolically autonomous NK effector program.
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