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Li Y, Jiang Q. Uncoupled pyroptosis and IL-1β secretion downstream of inflammasome signaling. Front Immunol 2023; 14:1128358. [PMID: 37090724 PMCID: PMC10117957 DOI: 10.3389/fimmu.2023.1128358] [Citation(s) in RCA: 18] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 03/24/2023] [Indexed: 04/25/2023] Open
Abstract
Inflammasomes are supramolecular platforms that organize in response to various damage-associated molecular patterns and pathogen-associated molecular patterns. Upon activation, inflammasome sensors (with or without the help of ASC) activate caspase-1 and other inflammatory caspases that cleave gasdermin D and pro-IL-1β/pro-IL-18, leading to pyroptosis and mature cytokine secretion. Pyroptosis enables intracellular pathogen niche disruption and intracellular content release at the cost of cell death, inducing pro-inflammatory responses in the neighboring cells. IL-1β is a potent pro-inflammatory regulator for neutrophil recruitment, macrophage activation, and T-cell expansion. Thus, pyroptosis and cytokine secretion are the two main mechanisms that occur downstream of inflammasome signaling; they maintain homeostasis, drive the innate immune response, and shape adaptive immunity. This review aims to discuss the possible mechanisms, timing, consequences, and significance of the two uncoupling preferences downstream of inflammasome signaling. While pyroptosis and cytokine secretion may be usually coupled, pyroptosis-predominant and cytokine-predominant uncoupling are also observed in a stimulus-, cell type-, or context-dependent manner, contributing to the pathogenesis and development of numerous pathological conditions such as cryopyrin-associated periodic syndromes, LPS-induced sepsis, and Salmonella enterica serovar Typhimurium infection. Hyperactive cells consistently release IL-1β without LDH leakage and pyroptotic death, thereby leading to prolonged inflammation, expanding the lifespans of pyroptosis-resistant neutrophils, and hyperactivating stimuli-challenged macrophages, dendritic cells, monocytes, and specific nonimmune cells. Death inflammasome activation also induces GSDMD-mediated pyroptosis with no IL-1β secretion, which may increase lethality in vivo. The sublytic GSDMD pore formation associated with lower expressions of pyroptotic components, GSDMD-mediated extracellular vesicles, or other GSDMD-independent pathways that involve unconventional secretion could contribute to the cytokine-predominant uncoupling; the regulation of caspase-1 dynamics, which may generate various active species with different activities in terms of GSDMD or pro-IL-1β, could lead to pyroptosis-predominant uncoupling. These uncoupling preferences enable precise reactions to different stimuli of different intensities under specific conditions at the single-cell level, promoting cooperative cell and host fate decisions and participating in the pathogen "game". Appropriate decisions in terms of coupling and uncoupling are required to heal tissues and eliminate threats, and further studies exploring the inflammasome tilt toward pyroptosis or cytokine secretion may be helpful.
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Vargas-Alarcón G, Ramírez-Bello J, Peña-Duque MA, Martínez-Ríos MA, Delgadillo-Rodríguez H, Fragoso JM. CASP1 Gene Polymorphisms and BAT1-NFKBIL-LTA-CASP1 Gene-Gene Interactions Are Associated with Restenosis after Coronary Stenting. Biomolecules 2022; 12:biom12060765. [PMID: 35740890 PMCID: PMC9221501 DOI: 10.3390/biom12060765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/24/2022] [Accepted: 05/27/2022] [Indexed: 12/04/2022] Open
Abstract
In the present study, we evaluated the association of the BAT1, NFKBIL, LTA, and CASP1 single nucleotide polymorphisms and the gene−gene interactions with risk of developing restenosis after coronary stenting. The allele and genotype determination of the polymorphisms (BAT1 rs2239527 C/G, NFKBIL1 rs2071592 T/A, LTA rs1800683 G/A, CASP1 rs501192 A/G, and CASP1 rs580253 A/G) were performed by 5’exonuclease TaqMan assays in 219 patients: 66 patients with restenosis and 153 without restenosis. The distribution of rs2239527 C/G, rs2071592 T/A, and rs1800683 G/A polymorphisms was similar in patients with and without restenosis. Nonetheless, under recessive (OR = 2.73, pCRes = 0.031) and additive models (OR = 1.65, pCAdd = 0.039), the AA genotype of the rs501192 A/G polymorphism increased the restenosis risk. Under co-dominant, dominant, recessive, and additive models, the AA genotype of the rs580253 A/G was associated with a high restenosis risk (OR = 5.38, pCCo-Dom = 0.003; OR = 2.12, pCDom = 0.031; OR = 4.32, pCRes = 0.001; and OR = 2.16, 95%CI: 1.33−3.52, pCAdd = 0.001, respectively). In addition, we identified an interaction associated with restenosis susceptibility: BAT1-NFKBIL1-LTA-CASP1 (OR = 9.92, p < 0.001). In summary, our findings demonstrate that the rs501192 A/G and rs580253 A/G polymorphisms, as well as the gene−gene interactions between BAT1-NFKBIL1-LTA-CASP1, are associated with an increased restenosis risk after coronary stenting.
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Affiliation(s)
- Gilberto Vargas-Alarcón
- Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico;
| | - Julian Ramírez-Bello
- Department of Endocrinology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico;
| | - Marco Antonio Peña-Duque
- Department of Innovation and Technological Development, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico;
| | - Marco Antonio Martínez-Ríos
- Department of Hemodynamics, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico; (M.A.M.-R.); (H.D.-R.)
| | - Hilda Delgadillo-Rodríguez
- Department of Hemodynamics, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico; (M.A.M.-R.); (H.D.-R.)
| | - José Manuel Fragoso
- Department of Molecular Biology, Instituto Nacional de Cardiología Ignacio Chávez, Mexico City 14080, Mexico;
- Correspondence: ; Tel.: +52-55-5573-2911 (ext. 26302); Fax: +52-55-5573-0926
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Hofmann SR, Girschick L, Stein R, Schulze F. Immune modulating effects of receptor interacting protein 2 (RIP2) in autoinflammation and immunity. Clin Immunol 2020; 223:108648. [PMID: 33310070 DOI: 10.1016/j.clim.2020.108648] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Revised: 09/29/2020] [Accepted: 12/08/2020] [Indexed: 02/08/2023]
Abstract
Receptor-interacting protein 2 (RIP2) is a kinase that is involved in downstream signaling of nuclear oligomerization domain (NOD)-like receptors NOD1 and 2 sensing bacterial peptidoglycans. RIP2-deficiency or targeting of RIP2 by pharmaceutical inhibitors partially ameliorates inflammatory diseases by reducing pro-inflammatory signaling in response to peptidoglycans. However, RIP2 is widely expressed and interacts with several other proteins suggesting additional functions outside the NOD-signaling pathway. In this review, we discuss the immunological functions of RIP2 and its possible role in autoinflammation and immunity.
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Affiliation(s)
- Sigrun Ruth Hofmann
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
| | - Leonie Girschick
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Robert Stein
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Felix Schulze
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
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Van Opdenbosch N, Lamkanfi M. Caspases in Cell Death, Inflammation, and Disease. Immunity 2019; 50:1352-1364. [PMID: 31216460 DOI: 10.1016/j.immuni.2019.05.020] [Citation(s) in RCA: 720] [Impact Index Per Article: 144.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Revised: 05/24/2019] [Accepted: 05/27/2019] [Indexed: 01/01/2023]
Abstract
Caspases are an evolutionary conserved family of cysteine proteases that are centrally involved in cell death and inflammation responses. A wealth of foundational insight into the molecular mechanisms that control caspase activation has emerged in recent years. Important advancements include the identification of additional inflammasome platforms and pathways that regulate activation of inflammatory caspases; the discovery of gasdermin D as the effector of pyroptosis and interleukin (IL)-1 and IL-18 secretion; and the existence of substantial crosstalk between inflammatory and apoptotic initiator caspases. A better understanding of the mechanisms regulating caspase activation has supported initial efforts to modulate dysfunctional cell death and inflammation pathways in a suite of communicable, inflammatory, malignant, metabolic, and neurodegenerative diseases. Here, we review current understanding of caspase biology with a prime focus on the inflammatory caspases and outline important topics for future experimentation.
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Affiliation(s)
- Nina Van Opdenbosch
- Janssen Immunosciences, World Without Disease Accelerator, Pharmaceutical Companies of Johnson & Johnson, Beerse, 2340, Belgium
| | - Mohamed Lamkanfi
- Janssen Immunosciences, World Without Disease Accelerator, Pharmaceutical Companies of Johnson & Johnson, Beerse, 2340, Belgium; Department of Internal Medicine and Pediatrics, Ghent University, Ghent, 9000, Belgium.
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Kapplusch F, Schulze F, Rabe-Matschewsky S, Russ S, Herbig M, Heymann MC, Schoepf K, Stein R, Range U, Rösen-Wolff A, Winkler S, Hedrich CM, Guck J, Hofmann SR. CASP1 variants influence subcellular caspase-1 localization, pyroptosome formation, pro-inflammatory cell death and macrophage deformability. Clin Immunol 2019; 208:108232. [PMID: 31252176 DOI: 10.1016/j.clim.2019.06.008] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 05/27/2019] [Accepted: 06/24/2019] [Indexed: 12/19/2022]
Abstract
CASP1 variants result in reduced enzymatic activity of procaspase-1 and impaired IL-1β release. Despite this, affected individuals can develop systemic autoinflammatory disease. These seemingly contradictory observations have only partially been explained by increased NF-κB activation through prolonged interaction of variant procaspase-1 with RIP2. To identify further disease underlying pathomechanisms, we established an in vitro model using shRNA-directed knock-down of procaspase-1 followed by viral transduction of human monocytes (THP-1) with plasmids encoding for wild-type procaspase-1, disease-associated CASP1 variants (p.L265S, p.R240Q) or a missense mutation in the active center of procaspase-1 (p.C285A). THP1-derived macrophages carrying CASP1 variants exhibited mutation-specific molecular alterations. We here provide in vitro evidence for abnormal pyroptosome formation (p.C285A, p.240Q, p.L265S), impaired nuclear (pro)caspase-1 localization (p.L265S), reduced pro-inflammatory cell death (p.C285A) and changes in macrophage deformability that may contribute to disease pathophysiology of patients with CASP1 variants. This offers previously unknown molecular pathomechanisms in patients with systemic autoinflammatory disease.
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Affiliation(s)
- Franz Kapplusch
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany; Department of Women's & Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK
| | - Felix Schulze
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Sabrina Rabe-Matschewsky
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Susanne Russ
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Maik Herbig
- Biotechnology Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Michael Christian Heymann
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Katharina Schoepf
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Robert Stein
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Ursula Range
- Institute for Medical Informatics and Biometry, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Angela Rösen-Wolff
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Stefan Winkler
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany
| | - Christian Michael Hedrich
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany; Department of Women's & Children's Health, Institute of Translational Medicine, University of Liverpool, Liverpool, UK; Department of Paediatric Rheumatology, Alder Hey Children's NHS Foundation Trust Hospital, Liverpool, UK
| | - Jochen Guck
- Biotechnology Center for Molecular and Cellular Bioengineering, Technische Universität Dresden, Dresden, Germany
| | - Sigrun Ruth Hofmann
- Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany.
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Van Opdenbosch N, Van Gorp H, Verdonckt M, Saavedra PHV, de Vasconcelos NM, Gonçalves A, Vande Walle L, Demon D, Matusiak M, Van Hauwermeiren F, D'Hont J, Hochepied T, Krautwald S, Kanneganti TD, Lamkanfi M. Caspase-1 Engagement and TLR-Induced c-FLIP Expression Suppress ASC/Caspase-8-Dependent Apoptosis by Inflammasome Sensors NLRP1b and NLRC4. Cell Rep 2018; 21:3427-3444. [PMID: 29262324 PMCID: PMC5746600 DOI: 10.1016/j.celrep.2017.11.088] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Revised: 11/15/2017] [Accepted: 11/27/2017] [Indexed: 02/02/2023] Open
Abstract
The caspase activation and recruitment domain (CARD)-based inflammasome sensors NLRP1b and NLRC4 induce caspase-1-dependent pyroptosis independent of the inflammasome adaptor ASC. Here, we show that NLRP1b and NLRC4 trigger caspase-8-mediated apoptosis as an alternative cell death program in caspase-1-/- macrophages and intestinal epithelial organoids (IECs). The caspase-8 adaptor FADD was recruited to ASC specks, which served as cytosolic platforms for caspase-8 activation and NLRP1b/NLRC4-induced apoptosis. We further found that caspase-1 protease activity dominated over scaffolding functions in suppressing caspase-8 activation and induction of apoptosis of macrophages and IECs. Moreover, TLR-induced c-FLIP expression inhibited caspase-8-mediated apoptosis downstream of ASC speck assembly, but did not affect pyroptosis induction by NLRP1b and NLRC4. Moreover, unlike during pyroptosis, NLRP1b- and NLRC4-elicited apoptosis retained alarmins and the inflammasome-matured cytokines interleukin 1β (IL-1β) and IL-18 intracellularly. This work identifies critical mechanisms regulating apoptosis induction by the inflammasome sensors NLRP1b and NLRC4 and suggests converting pyroptosis into apoptosis as a paradigm for suppressing inflammation.
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Affiliation(s)
- Nina Van Opdenbosch
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Hanne Van Gorp
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Maarten Verdonckt
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Pedro H V Saavedra
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Nathalia M de Vasconcelos
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Amanda Gonçalves
- VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium; VIB Bioimaging Core, VIB, 9000 Ghent, Belgium
| | - Lieselotte Vande Walle
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Dieter Demon
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Magdalena Matusiak
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Filip Van Hauwermeiren
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium
| | - Jinke D'Hont
- VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Tino Hochepied
- VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium; Department of Biomedical Molecular Biology, Ghent University, 9000 Ghent, Belgium
| | - Stefan Krautwald
- Department of Nephrology and Hypertension, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | | | - Mohamed Lamkanfi
- Department of Internal Medicine, Ghent University, 9052 Ghent, Belgium; VIB-UGent Center for Inflammation Research, VIB, 9052 Ghent, Belgium.
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Mukhin NA, Bogdanova MV, Rameev VV, Kozlovskaya LV. Autoinflammatory diseases and kidney involvement. TERAPEVT ARKH 2017; 89:4-20. [DOI: 10.17116/terarkh20178964-20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Stein R, Kapplusch F, Heymann MC, Russ S, Staroske W, Hedrich CM, Rösen-Wolff A, Hofmann SR. Enzymatically Inactive Procaspase 1 stabilizes the ASC Pyroptosome and Supports Pyroptosome Spreading during Cell Division. J Biol Chem 2016; 291:18419-29. [PMID: 27402835 DOI: 10.1074/jbc.m116.718668] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Indexed: 01/03/2023] Open
Abstract
Caspase-1 is a key player during the initiation of pro-inflammatory innate immune responses, activating pro-IL-1β in so-called inflammasomes. A subset of patients with recurrent febrile episodes and systemic inflammation of unknown origin harbor mutations in CASP1 encoding caspase-1. CASP1 variants result in reduced enzymatic activity of caspase-1 and impaired IL-1β secretion. The apparent paradox of reduced IL-1β secretion but systemic inflammation led to the hypothesis that CASP1 mutations may result in variable protein interaction clusters, thus activating alternative signaling pathways. To test this hypothesis, we established and characterized an in vitro system of transduced immortalized murine macrophages expressing either WT or enzymatically inactive (p.C284A) procaspase-1 fusion reporter proteins. Macrophages with variant p.C284A caspase-1 did not secrete IL-1β and exhibited reduced inflammatory cell death, referred to as pyroptosis. Caspase-1 and apoptosis-associated speck-like protein containing a CARD (ASC) formed cytosolic macromolecular complexes (so-called pyroptosomes) that were significantly increased in number and size in cells carrying the p.C284A caspase-1 variant compared with WT caspase-1. Furthermore, enzymatically inactive caspase-1 interacted with ASC longer and with increased intensity compared with WT caspase-1. Applying live cell imaging, we documented for the first time that pyroptosomes containing enzymatically inactive variant p.C284A caspase-1 spread during cell division. In conclusion, variant p.C284A caspase-1 stabilizes pyroptosome formation, potentially enhancing inflammation by two IL-1β-independent mechanisms: pyroptosomes convey an enhanced inflammatory stimulus through the recruitment of additional proteins (such as RIP2, receptor interacting protein kinase 2), which is further amplified through pyroptosome and cell division.
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Affiliation(s)
- Robert Stein
- From the Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, and
| | - Franz Kapplusch
- From the Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, and
| | | | - Susanne Russ
- From the Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, and
| | - Wolfgang Staroske
- Biotechnology Center, Technische Universität Dresden, 01307 Dresden, Germany
| | | | - Angela Rösen-Wolff
- From the Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, and
| | - Sigrun Ruth Hofmann
- From the Department of Pediatrics, Medizinische Fakultät Carl Gustav Carus, and
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