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Kabelitz D, Zarobkiewicz M, Heib M, Serrano R, Kunz M, Chitadze G, Adam D, Peters C. Signal strength of STING activation determines cytokine plasticity and cell death in human monocytes. Sci Rep 2022; 12:17827. [PMID: 36280676 PMCID: PMC9590392 DOI: 10.1038/s41598-022-20519-7] [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: 06/21/2022] [Accepted: 09/14/2022] [Indexed: 01/20/2023] Open
Abstract
The cyclic GMP-AMP synthase (cGAS)/stimulator of interferon genes (STING) pathway is a cytosolic sensor of microbial and host-derived DNA and plays a key role in innate immunity. Activation of STING by cyclic dinucleotide (CDN) ligands in human monocytes induces a type I interferon response and production of pro-inflammatory cytokines associated with the induction of massive cell death. In this study we have re-evaluated the effect of signal strength of STING activation on the cytokine plasticity of human monocytes. CDN (2'3'c-GAMP) and non-CDN (diABZI, MSA-2) STING ligands in the range of EC50 concentrations (15 μM 2'3'c-GAMP, 100 nM diABZI, 25 μM MSA-2) induced IFN-β, IP-10, and large amounts of IL-1β and TNF-α, but no IL-10 or IL-19. Interestingly, LPS-induced production of IL-10 and IL-19 was abolished in the presence of diABZI or MSA-2, whereas IL-1β and TNF-α were not inhibited. Surprisingly, we observed that tenfold lower (MSA-2, i.e. 2.5 μM) or 100-fold lower (diABZI, i.e. 1 nM) concentrations strongly stimulated secretion of anti-inflammatory IL-10 and IL-19, but little of IL-1β and TNF-α. Induction of IL-10 was associated with up-regulation of PRDM1 (Blimp-1). While cytokine secretion stimulated by the higher concentrations was accompanied by apoptosis as shown by cleavage of caspase-3 and PARP-1, the low concentrations did not trigger overt cell death yet induced cleavage of gasdermin-D. Our results reveal a previously unrecognized plasticity of human monocytes in their signal strength-dependent production of pro- versus anti-inflammatory cytokines upon STING activation.
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Affiliation(s)
- Dieter Kabelitz
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany
| | - Michal Zarobkiewicz
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany ,grid.411484.c0000 0001 1033 7158Present Address: Department of Clinical Immunology, Medical University of Lublin, 20-093 Lublin, Poland
| | - Michelle Heib
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany
| | - Ruben Serrano
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany ,grid.10423.340000 0000 9529 9877Present Address: Institute of Immunology, Medical University Hannover, 30625 Hannover, Germany
| | - Monika Kunz
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany
| | - Guranda Chitadze
- grid.412468.d0000 0004 0646 2097Unit for Hematological Diagnostics, Department of Internal Medicine II, University Hospital Schleswig-Holstein, 24105 Kiel, Germany
| | - Dieter Adam
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany
| | - Christian Peters
- grid.9764.c0000 0001 2153 9986Institute of Immunology, Christian-Albrechts University Kiel, Arnold-Heller-Str. 3, Building U30, 24105 Kiel, Germany
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Chang E, Kobayashi R, Hagiwara-Hamano M, Kurita-Ochiai T, Komiya M. Sublingual immunization with recombinant GroEL plus CpG-ODN inhibits Porphyromonas gingivalis-induced inflammation and alveolar bone loss. Mol Oral Microbiol 2021; 37:31-41. [PMID: 34921516 DOI: 10.1111/omi.12358] [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: 06/22/2021] [Revised: 07/28/2021] [Accepted: 08/09/2021] [Indexed: 11/30/2022]
Abstract
It has been reported that GroEL, a heat shock protein (HSP) produced by the representative periodontopathogenic bacterium, Porphyromonas gingivalis, induces inflammation-induced osteoclastogenesis and promotes alveolar bone resorption. In this study, we demonstrated the efficacy of a mucosal vaccine targeting GroEL against bone resorption induced by P. gingivalis. Female BALB/c mice received sublingual CpG oligodeoxynucleotide as an adjuvant with recombinant GroEL (rGroEL) prior to P. gingivalis exposure. Animals were euthanized 30 days after P. gingivalis inoculation. Sublingual immunization (SLI) with rGroEL elicited significant rGroEL-specific serum immunoglobulin (Ig)G and salivary IgA antibody (Ab) responses, and these responses were sustained for approximately 1 year. Interestingly, 10-fold more GroEL-specific IgA Ab-producing cells were detected in the submandibular glands (SMGs) than in the spleen. Antigen (Ag)-specific cells isolated from the spleen and SMGs induced significantly higher levels of IFN-γ expression after Ag restimulation in vitro. Flow cytometry illustrated that the frequency of CD11b+ dendritic cells with enhanced expression of CD80, CD86, CD40, and major histocompatibility complex II molecules was significantly increased in the SMGs. Furthermore, SLI with rGroEL significantly suppressed P. gingivalis-induced alveolar bone resorption and P. gingivalis-stimulated tumor necrosis factor-α, interleukin-6, and HSP60 expression in the gingiva. These findings suggest that SLI with rGroEL and CpG oligodeoxynucleotide is a beneficial strategy for preventing periodontal disease, mainly by presenting Ags in the oral region and inducing antibody production in the mucosal and systemic systems.
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Affiliation(s)
- Emily Chang
- Department of Oral Surgery, Nihon University, School of Dentistry at Matsudo, Chiba, Japan
| | - Ryoki Kobayashi
- Department of Microbiology and Immunology, Nihon University, School of Dentistry at Matsudo, Chiba, Japan
| | - Mio Hagiwara-Hamano
- Department of Oral Surgery, Nihon University, School of Dentistry at Matsudo, Chiba, Japan
| | - Tomoko Kurita-Ochiai
- Department of Microbiology and Immunology, Nihon University, School of Dentistry at Matsudo, Chiba, Japan
| | - Masamichi Komiya
- Department of Oral Surgery, Nihon University, School of Dentistry at Matsudo, Chiba, Japan
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Ho JD, Takara LEM, Monaris D, Gonçalves AP, Souza-Filho AF, de Souza GO, Heinemann MB, Ho PL, Abreu PAE. GroEL protein of the Leptospira spp. interacts with host proteins and induces cytokines secretion on macrophages. BMC Microbiol 2021; 21:99. [PMID: 33789603 PMCID: PMC8011160 DOI: 10.1186/s12866-021-02162-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Accepted: 03/22/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Leptospirosis is a zoonotic disease caused by infection with spirochetes from Leptospira genus. It has been classified into at least 17 pathogenic species, with more than 250 serologic variants. This wide distribution may be a result of leptospiral ability to colonize the renal tubules of mammalian hosts, including humans, wildlife, and many domesticated animals. Previous studies showed that the expression of proteins belonging to the microbial heat shock protein (HSP) family is upregulated during infection and also during various stress stimuli. Several proteins of this family are known to have important roles in the infectious processes in other bacteria, but the role of HSPs in Leptospira spp. is poorly understood. In this study, we have evaluated the capacity of the protein GroEL, a member of HSP family, of interacting with host proteins and of stimulating the production of cytokines by macrophages. RESULTS The binding experiments demonstrated that the recombinant GroEL protein showed interaction with several host components in a dose-dependent manner. It was also observed that GroEL is a surface protein, and it is secreted extracellularly. Moreover, two cytokines (tumor necrosis factor-α and interleukin-6) were produced when macrophages cells were stimulated with this protein. CONCLUSIONS Our findings showed that GroEL protein may contribute to the adhesion of leptospires to host tissues and stimulate the production of proinflammatory cytokines during infection. These features might indicate an important role of GroEL in the pathogen-host interaction in the leptospirosis.
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Affiliation(s)
- Joana Dias Ho
- Laboratory of Bacteriology, Butantan Institute, São Paulo, Brazil.,Laboratory of Bacterial Zoonosis, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | | | - Denize Monaris
- Laboratory of Bacteriology, Butantan Institute, São Paulo, Brazil
| | | | - Antonio Francisco Souza-Filho
- Laboratory of Bacterial Zoonosis, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Gisele Oliveira de Souza
- Laboratory of Bacterial Zoonosis, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Marcos Bryan Heinemann
- Laboratory of Bacterial Zoonosis, School of Veterinary Medicine and Animal Science, University of São Paulo, São Paulo, Brazil
| | - Paulo Lee Ho
- Bioindustrial Division, Butantan Institute, São Paulo, Brazil
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Noor S, Sanchez JJ, Sun MS, Pervin Z, Sanchez JE, Havard MA, Epler LT, Nysus MV, Norenberg JP, Wagner CR, Davies S, Wagner JL, Savage DD, Jantzie LL, Mellios N, Milligan ED. The LFA-1 antagonist BIRT377 reverses neuropathic pain in prenatal alcohol-exposed female rats via actions on peripheral and central neuroimmune function in discrete pain-relevant tissue regions. Brain Behav Immun 2020; 87:339-358. [PMID: 31918004 PMCID: PMC7316595 DOI: 10.1016/j.bbi.2020.01.002] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 12/20/2019] [Accepted: 01/05/2020] [Indexed: 12/13/2022] Open
Abstract
Previous reports show that moderate prenatal alcohol exposure (PAE) poses a risk factor for developing neuropathic pain following adult-onset peripheral nerve injury in male rats. Recently, evidence suggests that immune-related mechanisms underlying neuropathic pain in females are different compared to males despite the fact that both sexes develop neuropathy of similar magnitude and duration following chronic constriction injury (CCI) of the sciatic nerve. Data suggest that the actions of peripheral T cells play a greater role in mediating neuropathy in females. The goal of the current study is to identify specificity of immune cell and cytokine changes between PAE and non-PAE neuropathic females by utilizing a well-characterized rodent model of sciatic nerve damage, in an effort to unmask unique signatures of immune-related factors underlying the risk of neuropathy from PAE. Cytokines typically associated with myeloid cell actions such as interleukin (IL)-1β, tumor necrosis factor (TNF), IL-6, IL-4 and IL-10 as well as the neutrophil chemoattractant CXCL1, are examined. In addition, transcription factors and cytokines associated with various differentiated T cell subtypes are examined (anti-inflammatory FOXP3, proinflammatory IL-17A, IL-21, ROR-γt, interferon (IFN)-γ and T-bet). Lymphocyte function associated antigen 1 (LFA-1) is an adhesion molecule expressed on peripheral immune cells including T cells, and regulates T cell activation and extravasation into inflamed tissue regions. A potential therapeutic approach was explored with the goal of controlling proinflammatory responses in neuroanatomical regions critical for CCI-induced allodynia by blocking LFA-1 actions using BIRT377. The data show profound development of hindpaw allodynia in adult non-PAE control females following standard CCI, but not following minor CCI, while minor CCI generated allodynia in PAE females. The data also show substantial increases in T cell-associated proinflammatory cytokine mRNA and proteins, along with evidence of augmented myeloid/glial activation (mRNA) and induction of myeloid/glial-related proinflammatory cytokines, CCL2, IL-1β and TNF in discrete regions along the pain pathway (damaged sciatic nerve, dorsal root ganglia; DRG, and spinal cord). Interestingly, the characteristic anti-inflammatory IL-10 protein response to nerve damage is blunted in neuropathic PAE females. Moreover, T cell profiles are predominantly proinflammatory in neuropathic Sac and PAE females, augmented levels of Th17-specific proinflammatory cytokines IL-17A and IL-21, as well as the Th1-specific factor, T-bet, are observed. Similarly, the expression of RORγt, a critical transcription factor for Th17 cells, is detected in the spinal cord of neuropathic females. Blocking peripheral LFA-1 actions with intravenous (i.v.) BIRT377 reverses allodynia in Sac and PAE rats, dampens myeloid (IL-1β, TNF, CXCL1)- and T cell-associated proinflammatory factors (IL-17A and RORγt) and spinal glial activation. Moreover, i.v. BIRT377 treatment reverses the blunted IL-10 response to CCI observed only in neuropathic PAE rats and elevates FOXP3 in pain-reversed Sac rats. Unexpectedly, intrathecal BIRT377 treatment is unable to alter allodynia in either Sac or PAE neuropathic females. Together, these data provide evidence that: 1) fully differentiated proinflammatory Th17 cells recruited at the sciatic nerve, DRGs and lumbar spinal cord may interact with the local environment to shape the immune responses underlying neuropathy in female rats, and, 2) PAE primes peripheral and spinal immune responses in adult females. PAE is a risk factor in females for developing peripheral neuropathy after minor nerve injury.
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Affiliation(s)
- Shahani Noor
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM 87131-0001, USA.
| | - Joshua J. Sanchez
- Department of Neurosciences, School of Medicine, University of California, San Diego, CA, USA
| | - Melody S. Sun
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
| | - Zinia Pervin
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM 87131-0001, USA.
| | - Jacob E. Sanchez
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
| | - Mara A. Havard
- Department of Anesthesiology and Critical Care, University of New Mexico, Albuquerque, NM, 8713,USA
| | - Lauren T. Epler
- Department of Biochemistry and Molecular Biology, School of Medicine, University of New Mexico, Albuquerque, NM 87131-001, USA
| | - Monique V. Nysus
- Department of Radiopharmaceutical Sciences, College of Pharmacy, New Mexico Center for Isotopes in Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
| | - Jeffrey P. Norenberg
- Department of Radiopharmaceutical Sciences, College of Pharmacy, New Mexico Center for Isotopes in Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
| | - Carston R. Wagner
- Department of Medicinal Chemistry, University of Minnesota, College of Pharmacy, MN 55455, USA
| | - Suzy Davies
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM 87131-0001, USA.
| | - Jennifer L Wagner
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM 87131-0001, USA.
| | - Daniel D. Savage
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
| | - Lauren L. Jantzie
- Department of Pediatrics and Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205-2196, USA
| | - Nikolaos Mellios
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM 87131-0001, USA.
| | - Erin. D. Milligan
- Department of Neurosciences, School of Medicine, University of New Mexico, Albuquerque, NM, 87131,USA
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