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Bernardi JP, Nappi TJ, Butler NS. Itaconate as a potential target for antimalarial therapy. Trends Parasitol 2024; 40:275-277. [PMID: 38485579 PMCID: PMC10994723 DOI: 10.1016/j.pt.2024.03.003] [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: 03/04/2024] [Accepted: 03/04/2024] [Indexed: 04/06/2024]
Abstract
In a recent publication, Ramalho et al. investigated monocyte-derived dendritic cell (MODC) mobilization in response to Plasmodium infection. The authors showed that elevated levels of itaconate in MODCs results in reduced CD8 T cell activation and that the absence of itaconate is associated with enhanced parasite control.
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Affiliation(s)
- Jonathon P Bernardi
- Department of Microbiology and Immunology, University of Iowa, Iowa City, IA, USA
| | - Taylen J Nappi
- Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, IA, USA
| | - Noah S Butler
- Department of Microbiology and Immunology, University of Iowa, Iowa City, IA, USA; Interdisciplinary Graduate Program in Immunology, University of Iowa, Iowa City, IA, USA.
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2
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Ramalho T, Assis PA, Ojelabi O, Tan L, Carvalho B, Gardinassi L, Campos O, Lorenzi PL, Fitzgerald KA, Haynes C, Golenbock DT, Gazzinelli RT. Itaconate impairs immune control of Plasmodium by enhancing mtDNA-mediated PD-L1 expression in monocyte-derived dendritic cells. Cell Metab 2024; 36:484-497.e6. [PMID: 38325373 PMCID: PMC10940217 DOI: 10.1016/j.cmet.2024.01.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 10/27/2023] [Accepted: 01/14/2024] [Indexed: 02/09/2024]
Abstract
Severe forms of malaria are associated with systemic inflammation and host metabolism disorders; however, the interplay between these outcomes is poorly understood. Using a Plasmodium chabaudi model of malaria, we demonstrate that interferon (IFN) γ boosts glycolysis in splenic monocyte-derived dendritic cells (MODCs), leading to itaconate accumulation and disruption in the TCA cycle. Increased itaconate levels reduce mitochondrial functionality, which associates with organellar nucleic acid release and MODC restraint. We hypothesize that dysfunctional mitochondria release degraded DNA into the cytosol. Once mitochondrial DNA is sensitized, the activation of IRF3 and IRF7 promotes the expression of IFN-stimulated genes and checkpoint markers. Indeed, depletion of the STING-IRF3/IRF7 axis reduces PD-L1 expression, enabling activation of CD8+ T cells that control parasite proliferation. In summary, mitochondrial disruption caused by itaconate in MODCs leads to a suppressive effect in CD8+ T cells, which enhances parasitemia. We provide evidence that ACOD1 and itaconate are potential targets for adjunct antimalarial therapy.
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Affiliation(s)
- Theresa Ramalho
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA; Department of Molecular Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA.
| | - Patricia A Assis
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Ogooluwa Ojelabi
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Lin Tan
- Department of Bioinformatics and Computational Biology, University of Texas MD Cancer Center, Houston, TX, USA
| | - Brener Carvalho
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil
| | - Luiz Gardinassi
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
| | - Osvaldo Campos
- Plataforma de Medicina Translacional, Fundação Oswaldo Cruz/Faculdade de Medicina de Ribeirao Preto, Ribeirao Preto, Sao Paulo, Brazil
| | - Philip L Lorenzi
- Department of Bioinformatics and Computational Biology, University of Texas MD Cancer Center, Houston, TX, USA
| | - Katherine A Fitzgerald
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Cole Haynes
- Department of Molecular Cell and Cancer Biology, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Douglas T Golenbock
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA
| | - Ricardo T Gazzinelli
- Department of Medicine, University of Massachusetts Chan Medical School, Worcester, MA, USA; Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, Minas Gerais, Brazil; Centro de Tecnologia de Vacinas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.
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3
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Alves SAS, Teixeira DE, Peruchetti DB, Silva LS, Brandão LFP, Caruso-Neves C, Pinheiro AAS. Bradykinin produced during Plasmodium falciparum erythrocytic cycle drives monocyte adhesion to human brain microvascular endothelial cells. Brain Res 2024; 1822:148669. [PMID: 37951562 DOI: 10.1016/j.brainres.2023.148669] [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: 07/20/2023] [Revised: 10/30/2023] [Accepted: 11/06/2023] [Indexed: 11/14/2023]
Abstract
Cerebral malaria (CM) pathogenesis is described as a multistep mechanism. In this context, monocytes have been implicated in CM pathogenesis by increasing the sequestration of infected red blood cells to the brain microvasculature. In disease, endothelial activation is followed by reduced monocyte rolling and increased adhesion. Nowadays, an important challenge is to identify potential pro-inflammatory stimuli that can modulate monocytes behavior. Our group have demonstrated that bradykinin (BK), a pro-inflammatory peptide involved in CM, is generated during the erythrocytic cycle of P. falciparum and is detected in culture supernatant (conditioned medium). Herein we investigated the role of BK in the adhesion of monocytes to endothelial cells of blood brain barrier (BBB). To address this issue human monocytic cell line (THP-1) and human brain microvascular endothelial cells (hBMECs) were used. It was observed that 20% conditioned medium from P. falciparum infected erythrocytes (Pf-iRBC sup) increased the adhesion of THP-1 cells to hBMECs. This effect was mediated by BK through the activation of B2 and B1 receptors and involves the increase in ICAM-1 expression in THP-1 cells. Additionally, it was observed that angiotensin-converting enzyme (ACE) inhibitor, captopril, enhanced the effect of both BK and Pf-iRBC sup on THP-1 adhesion. Together these data show that BK, generated during the erythrocytic cycle of P. falciparum, could play an important role in adhesion of monocytes in endothelial cells lining the BBB.
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Affiliation(s)
- Sarah A S Alves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Douglas E Teixeira
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diogo B Peruchetti
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Leandro S Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Luiz Felipe P Brandão
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Celso Caruso-Neves
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Instituto Nacional de Ciência e Tecnologia em Medicina Regenerativa, INCT-Regenera, Conselho Nacional de Desenvolvimento Científico e Tecnológico/MCTIC, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health - NanoSAUDE/FAPERJ, Rio de Janeiro, Brazil
| | - Ana Acacia S Pinheiro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil; Rio de Janeiro Innovation Network in Nanosystems for Health - NanoSAUDE/FAPERJ, Rio de Janeiro, Brazil.
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Gaio P, Cramer A, de Melo Oliveira NF, Porto S, Kramer L, Nonato Rabelo RA, Pereira RDD, de Oliveira Santos LL, Nascimento Barbosa CL, Silva Oliveira FM, Martins Teixeira M, Castro Russo R, Matos MJ, Simão Machado F. N-(coumarin-3-yl)cinnamamide Promotes Immunomodulatory, Neuroprotective, and Lung Function-Preserving Effects during Severe Malaria. Pharmaceuticals (Basel) 2023; 17:46. [PMID: 38256880 PMCID: PMC10821074 DOI: 10.3390/ph17010046] [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: 12/01/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
Plasmodium berghei ANKA (PbA) infection in mice resembles several aspects of severe malaria in humans, such as cerebral malaria and acute respiratory distress syndrome. Herein, the effects of N-(coumarin-3-yl)cinnamamide (M220) against severe experimental malaria have been investigated. Treatment with M220 proved to protect cognitive abilities and lung function in PbA-infected mice, observed by an object recognition test and spirometry, respectively. In addition, treated mice demonstrated decreased levels of brain and lung inflammation. The production and accumulation of microglia, and immune cells that produce the inflammatory cytokines TNF and IFN-γ, decreased, while the production of the anti-inflammatory cytokine IL-10 by innate and adaptive immune cells was enhanced. Treatment with M220 promotes immunomodulatory, neuroprotective, and lung function-preserving effects during experimental severe malaria. Therefore, it may be an interesting therapeutic candidate to treat severe malaria effects.
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Affiliation(s)
- Paulo Gaio
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Allysson Cramer
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Natália Fernanda de Melo Oliveira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Samuel Porto
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Lucas Kramer
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Rayane Aparecida Nonato Rabelo
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Rafaela das Dores Pereira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - Laura Lis de Oliveira Santos
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
| | - César Luís Nascimento Barbosa
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
| | - Fabrício Marcus Silva Oliveira
- Cellular and Molecular Immunology Group, René Rachou Institute, Oswald o Cruz Foundation—FIOCRUZ, Belo Horizonte 30190-002, MG, Brazil;
| | - Mauro Martins Teixeira
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
| | - Remo Castro Russo
- Laboratory of Pulmonary Immunology and Mechanics, Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais, Belo Horizonte 31270-901, MG, Brazil;
| | - Maria João Matos
- Departamento de Química Orgánica, Facultad de Farmacia, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Spain
| | - Fabiana Simão Machado
- Department of Biochemistry and Immunology, Institute of Biological Science, Universidade Federal de Minas Gerais, Belo Horizonte 31270-901, MG, Brazil; (P.G.); (A.C.); (N.F.d.M.O.); (S.P.); (L.K.); (R.A.N.R.); (R.d.D.P.); (L.L.d.O.S.); (M.M.T.)
- Program in Health Sciences, Infectious Diseases and Tropical Medicine/Interdisciplinary Laboratory of Medical Investigation, Faculty of Medicine, Universidade Federal de Minas Gerais, Belo Horizonte 30130-100, MG, Brazil;
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Mo J, Yang Y, Feng J, Lei Y, Huang S, Cen W, Wei S, Huang H, Lu J, Zhang J. Single-cell analysis reveals dysregulated inflammatory response in peripheral blood immunity in patients with acute respiratory distress syndrome. Front Cell Dev Biol 2023; 11:1199122. [PMID: 37283946 PMCID: PMC10239863 DOI: 10.3389/fcell.2023.1199122] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Accepted: 05/09/2023] [Indexed: 06/08/2023] Open
Abstract
Introduction: Acute respiratory distress syndrome (ARDS) remains a major clinical challenge for patients in intensive care units. Determining the differential mechanisms underlying ARDS with different etiologies is a key goal to improve the effectiveness of ARDS therapy. Despite growing evidence that different immune cell types are involved in ARDS, the role of altered immune cell subpopulations in disease progression is unelucidated. Methods: In this study, we combined scRNA-seq and bulk-level sequencing to analyze the transcriptomes of peripheral blood mononuclear cells from healthy volunteers and patients with septic ARDS (sep-ARDS) and pneumonic ARDS (PNE-ARDS). Results: Our data revealed differential alterations at the cellular and molecular levels and within biological signaling pathways in ARDS with different etiologies. The dynamics of neutrophils, macrophages (Macs), classical dendritic cells (cDCs), myeloid-derived suppressive cells (MDSCs), and CD8+ T cells varied significantly among groups of different samples, with neutrophils and cDCs at higher, and Macs at significantly lower, amounts in the patients with sep-ARDS. Furthermore, MDSCs were highly enriched only in the sep-ARDS patients, whereas a higher abundance of CD8+ T cells was observed in patients with PNE-ARDS. In addition, these cell subpopulations were found to be significantly involved in apoptosis, inflammatory, and immune-related pathways. In particular, a significant enhancement of the oxidative stress response was observed in the neutrophil subpopulation. Conclusion: Our study shows that the composition of cells involved in the main peripheral circulation differs in patients with ARDS with different etiologies. Studying the role and mechanism of action of these cells during ARDS will provide new opportunities for the treatment of this condition.
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Affiliation(s)
- Jingjia Mo
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yanli Yang
- Department of Emergency Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jihua Feng
- Department of Emergency Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Yanhua Lei
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Suhong Huang
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Weiluan Cen
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Shanshan Wei
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Hao Huang
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Junyu Lu
- Intensive Care Unit, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jianfeng Zhang
- Department of General Practice, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
- Department of Emergency Medicine, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
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Liu JC, Wang P, Zeng QX, Yang C, Lyu M, Li Y, Yeung WSB, Chiu PCN, Haidl G, Allam JP, Duan YG. Myd88 Signaling Is Involved in the Inflammatory Response in LPS-Induced Mouse Epididymitis and Bone-Marrow-Derived Dendritic Cells. Int J Mol Sci 2023; 24:ijms24097838. [PMID: 37175545 PMCID: PMC10178089 DOI: 10.3390/ijms24097838] [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: 03/06/2023] [Revised: 03/30/2023] [Accepted: 04/20/2023] [Indexed: 05/15/2023] Open
Abstract
Epididymitis is an epididymal inflammation that may lead to male infertility. Dendritic cells (DCs) and myeloid differentiation primary response gene 88 (Myd88) were associated with epididymitis in rodents. However, the functions of Myd88 on epididymal DCs remain unclear. This study investigated the role of Myd88 in DCs for epididymitis. The Myd88 signaling pathway, phenotypes of DC subsets, and cytokines were investigated in lipopolysaccharide (LPS)-induced epididymitis in mice. CRISPR-Cas9 was used to knockout Myd88 in bone-marrow-derived dendritic cells (BMDCs) and immortalized mouse epididymal (DC2) cell line. In the vivo experiments, levels of the proinflammatory cytokines IL-1α, IL-6, IL-17A, TNF-α, IL-1β, MCP-1, and GM-CSF, mRNA for MyD88 related genes, and the percentages of monocyte-derived DCs (Mo-DCs) were significantly elevated in mice with epididymitis. In the vitro experiments, LPS significantly promoted the apoptosis of BMDCs. In addition, the concentration of inflammatory cytokines in BMDCs and DC2s were increased in the LPS group, while decreasing after the knockout of Myd88. These findings indicate that Myd88 on DCs is involved in the inflammation of epididymitis in mice, which may be a potential target for better strategies regarding the treatment of immunological male infertility.
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Affiliation(s)
- Jin-Chuan Liu
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
- Department of Obstetrics and Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Peng Wang
- Department of Urology, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - Qun-Xiong Zeng
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
- Department of Obstetrics and Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Chen Yang
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - Minmin Lyu
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
| | - Yanfeng Li
- Department of Urology, Daping Hospital, Army Medical University, Chongqing 400042, China
| | - William Shu-Biu Yeung
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
- Department of Obstetrics and Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Philip Chi-Ngong Chiu
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
- Department of Obstetrics and Gynaecology, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong SAR, China
| | - Gerhard Haidl
- Department of Andrology, Bonn University Hospital, Campus-Venusberg 1, 53127 Bonn, Germany
| | - Jean-Pierre Allam
- Department of Andrology, Bonn University Hospital, Campus-Venusberg 1, 53127 Bonn, Germany
| | - Yong-Gang Duan
- Shenzhen Key Laboratory of Fertility Regulation, Center of Assisted Reproduction and Embryology, The University of Hong Kong-Shenzhen Hospital, Shenzhen 518053, China
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7
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Du Y, Hu Z, Luo Y, Wang HY, Yu X, Wang RF. Function and regulation of cGAS-STING signaling in infectious diseases. Front Immunol 2023; 14:1130423. [PMID: 36825026 PMCID: PMC9941744 DOI: 10.3389/fimmu.2023.1130423] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 01/24/2023] [Indexed: 02/10/2023] Open
Abstract
The efficacious detection of pathogens and prompt induction of innate immune signaling serve as a crucial component of immune defense against infectious pathogens. Over the past decade, DNA-sensing receptor cyclic GMP-AMP synthase (cGAS) and its downstream signaling adaptor stimulator of interferon genes (STING) have emerged as key mediators of type I interferon (IFN) and nuclear factor-κB (NF-κB) responses in health and infection diseases. Moreover, both cGAS-STING pathway and pathogens have developed delicate strategies to resist each other for their survival. The mechanistic and functional comprehension of the interplay between cGAS-STING pathway and pathogens is opening the way for the development and application of pharmacological agonists and antagonists in the treatment of infectious diseases. Here, we briefly review the current knowledge of DNA sensing through the cGAS-STING pathway, and emphatically highlight the potent undertaking of cGAS-STING signaling pathway in the host against infectious pathogenic organisms.
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Affiliation(s)
- Yang Du
- Department of Medicine, and Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
- Research Center of Medical Sciences, Guangdong Provincial People's Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, China
| | - Zhiqiang Hu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
| | - Yien Luo
- Department of Neurology, Guangdong Neuroscience Institute, Guangdong Provincial People’s Hospital (Guangdong Academy of Medical Sciences), Southern Medical University, Guangzhou, Guangdong, China
| | - Helen Y. Wang
- Department of Medicine, and Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
- Department of Pediatrics, Children’s Hospital, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
| | - Xiao Yu
- Department of Immunology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong, China
- Guangdong Provincial Key Lab of Single Cell Technology and Application, Southern Medical University, Guangzhou, Guangdong, China
| | - Rong-Fu Wang
- Department of Medicine, and Norris Comprehensive Cancer Center, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
- Department of Pediatrics, Children’s Hospital, Keck School of Medicine, University of Southern California, Los Angeles, CA, United States
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8
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Hirako IC, Antunes MM, Rezende RM, Hojo-Souza NS, Figueiredo MM, Dias T, Nakaya H, Menezes GB, Gazzinelli RT. Uptake of Plasmodium chabaudi hemozoin drives Kupffer cell death and fuels superinfections. Sci Rep 2022; 12:19805. [PMID: 36396745 PMCID: PMC9671901 DOI: 10.1038/s41598-022-23858-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 11/07/2022] [Indexed: 11/18/2022] Open
Abstract
Kupffer cells (KCs) are self-maintained tissue-resident macrophages that line liver sinusoids and play an important role on host defense. It has been demonstrated that upon infection or intense liver inflammation, KCs might be severely depleted and replaced by immature monocytic cells; however, the mechanisms of cell death and the alterations on liver immunity against infections deserves further investigation. We explored the impact of acute Plasmodium infection on KC biology and on the hepatic immune response against secondary infections. Similar to patients, infection with Plasmodium chabaudi induced acute liver damage as determined by serum alanine aminotransferase (ALT) and aspartate aminotransferase (AST) elevation. This was associated with accumulation of hemozoin, increased of proinflammatory response and impaired bacterial and viral clearance, which led to pathogen spread to other organs. In line with this, mice infected with Plasmodium had enhanced mortality during secondary infections, which was associated with increased production of mitochondrial superoxide, lipid peroxidation and increased free iron within KCs-hallmarks of cell death by ferroptosis. Therefore, we revealed that accumulation of iron with KCs, triggered by uptake of circulating hemozoin, is a novel mechanism of macrophage depletion and liver inflammation during malaria, providing novel insights on host susceptibility to secondary infections. Malaria can cause severe liver damage, along with depletion of liver macrophages, which can predispose individuals to secondary infections and enhance the chances of death.
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Affiliation(s)
- Isabella C Hirako
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, MG, Brazil
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Medical School, 364 Plantation Street, Lazare Research Building, 3rd Floor, Worcester, MA, USA
| | - Maísa Mota Antunes
- Center for Gastrointestinal Biology, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Rafael Machado Rezende
- Ann Romney Center for Neurologic Diseases, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | | | | | - Thomaz Dias
- Escola de Ciências Farmacêuticas - Universidade de São Paulo, São Paulo, SP, Brazil
| | - Helder Nakaya
- Escola de Ciências Farmacêuticas - Universidade de São Paulo, São Paulo, SP, Brazil
| | - Gustavo Batista Menezes
- Center for Gastrointestinal Biology, Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - Ricardo Tostes Gazzinelli
- Instituto René Rachou, Fundação Oswaldo Cruz, Belo Horizonte, MG, Brazil.
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Medical School, 364 Plantation Street, Lazare Research Building, 3rd Floor, Worcester, MA, USA.
- Departamento de Bioquímica E Imunologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
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9
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Immunosuppression in Malaria: Do Plasmodium falciparum Parasites Hijack the Host? Pathogens 2021; 10:pathogens10101277. [PMID: 34684226 PMCID: PMC8536967 DOI: 10.3390/pathogens10101277] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/27/2021] [Accepted: 09/28/2021] [Indexed: 12/13/2022] Open
Abstract
Malaria reflects not only a state of immune activation, but also a state of general immune defect or immunosuppression, of complex etiology that can last longer than the actual episode. Inhabitants of malaria-endemic regions with lifelong exposure to the parasite show an exhausted or immune regulatory profile compared to non- or minimally exposed subjects. Several studies and experiments to identify and characterize the cause of this malaria-related immunosuppression have shown that malaria suppresses humoral and cellular responses to both homologous (Plasmodium) and heterologous antigens (e.g., vaccines). However, neither the underlying mechanisms nor the relative involvement of different types of immune cells in immunosuppression during malaria is well understood. Moreover, the implication of the parasite during the different stages of the modulation of immunity has not been addressed in detail. There is growing evidence of a role of immune regulators and cellular components in malaria that may lead to immunosuppression that needs further research. In this review, we summarize the current evidence on how malaria parasites may directly and indirectly induce immunosuppression and investigate the potential role of specific cell types, effector molecules and other immunoregulatory factors.
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10
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Lundahl MLE, Fogli S, Colavita PE, Scanlan EM. Aggregation of protein therapeutics enhances their immunogenicity: causes and mitigation strategies. RSC Chem Biol 2021; 2:1004-1020. [PMID: 34458822 PMCID: PMC8341748 DOI: 10.1039/d1cb00067e] [Citation(s) in RCA: 46] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 05/04/2021] [Indexed: 12/25/2022] Open
Abstract
Protein aggregation in biotherapeutics has been identified to increase immunogenicity, leading to immune-mediated adverse effects, such as severe allergic responses including anaphylaxis. The induction of anti-drug antibodies (ADAs) moreover enhances drug clearance rates, and can directly block therapeutic function. In this review, identified immune activation mechanisms triggered by protein aggregates are discussed, as well as physicochemical properties of aggregates, such as size and shape, which contribute to immunogenicity. Furthermore, factors which contribute to protein stability and aggregation are considered. Lastly, with these factors in mind, we encourage an innovative and multidisciplinary approach with regard to further research in the field, with the overall aim to avoid immunogenic aggregation in future drug development.
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Affiliation(s)
- Mimmi L E Lundahl
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland
| | - Silvia Fogli
- Glycome Biopharma, Unit 4, Joyce House, Barrack Square, Ballincollig Co Cork P31 HW35 Ireland
| | - Paula E Colavita
- School of Chemistry and Trinity Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland
| | - Eoin M Scanlan
- School of Chemistry and Trinity Biomedical Sciences Institute, Trinity College Dublin Dublin 2 Ireland
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11
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Assis PA, Fernandes Durso D, Chacon Cavalcante F, Zaniratto R, Carvalho-Silva AC, Cunha-Neto E, Golenbock DT, Rodrigues Pinto Ferreira L, Tostes Gazzinelli R. Integrative analysis of microRNA and mRNA expression profiles of monocyte-derived dendritic cells differentiation during experimental cerebral malaria. J Leukoc Biol 2020; 108:1183-1197. [PMID: 32362022 PMCID: PMC11215656 DOI: 10.1002/jlb.1ma0320-731r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 03/19/2020] [Accepted: 03/23/2020] [Indexed: 12/27/2022] Open
Abstract
Heterogeneity and high plasticity are common features of cells from the mononuclear phagocyte system: monocytes (MOs), macrophages, and dendritic cells (DCs). Upon activation by microbial agents, MO can differentiate into MO-derived DCs (MODCs). In previous work, we have shown that during acute infection with Plasmodium berghei ANKA (PbA), MODCs become, transiently, the main CD11b+ myeloid population in the spleen (SP) and once recruited to the brain play an important role in the development of experimental cerebral malaria (ECM). Here, we isolated 4 cell populations: bone marrow (BM) MOs (BM-MOs) and SP-MOs from uninfected mice; BM inflammatory MOs (BM-iMOs) and SP-MODCs from PbA-infected mice and used a system biology approach to a holistic transcriptomic comparison and provide an interactome analysis by integrating differentially expressed miRNAs (DEMs) and their differentially expressed gene targets (DEGs) data. The Jaccard index (JI) was used for gauging the similarity and diversity among these cell populations. Whereas BM-MOs, BM-iMOs, and SP-MOs presented high similarity of DEGs, SP-MODCs distinguished by showing a greater number of DEGs. Moreover, functional analysis identified an enrichment in canonical pathways, such as DC maturation, neuroinflammation, and IFN signaling. Upstream regulator analysis identified IFNγ as the potential upstream molecule that can explain the observed DEMs-Target DEGs intersections in SP-MODCs. Finally, directed target analysis and in vivo/ex vivo assays indicate that SP-MODCs differentiate in the SP and IFNγ is a main driver of this process.
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Affiliation(s)
| | - Danielle Fernandes Durso
- Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | | | - Ricardo Zaniratto
- Laboratory of Immunology, Heart Institute (InCor), University of São Paulo School of Medicine, São Paulo, Brazil
| | - Ana Carolina Carvalho-Silva
- RNA Systems Biology Laboratory (RSBL), Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Edecio Cunha-Neto
- Laboratory of Immunology, Heart Institute (InCor), University of São Paulo School of Medicine, São Paulo, Brazil
- Division of Clinical Immunology and Allergy, University of São Paulo School of Medicine, São Paulo, Brazil
| | - Douglas Taylor Golenbock
- Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
| | - Ludmila Rodrigues Pinto Ferreira
- RNA Systems Biology Laboratory (RSBL), Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Ricardo Tostes Gazzinelli
- Division of Infectious Diseases and Immunology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
- Laboratory of Immunopathology, Fundação Oswaldo Cruz - Minas, Belo Horizonte, Minas Gerais, Brazil
- Plataforma de Medicina Translacional, Fundação Oswaldo Cruz/Faculdade de Medicina de Ribeirão Preto, Ribeirão Preto, São Paulo, Brazil
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12
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Bauer O, Milenkovic VM, Hilbert S, Sarubin N, Weigl J, Bahr LM, Wetter TC, Heckel B, Wetzel CH, Rupprecht R, Nothdurfter C. Association of Chemokine (C-C Motif) Receptor 5 and Ligand 5 with Recovery from Major Depressive Disorder and Related Neurocognitive Impairment. Neuroimmunomodulation 2020; 27:152-162. [PMID: 33503626 PMCID: PMC8006585 DOI: 10.1159/000513093] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Accepted: 11/01/2020] [Indexed: 12/28/2022] Open
Abstract
INTRODUCTION Inflammatory processes play an important role in the pathophysiology of major depressive disorder (MDD), but their relevance for specific symptoms such as neurocognitive impairment is rarely investigated. METHODS In this observational study, we investigated the changes of leukocyte chemokine (C-C motif) receptor 5 (CCR5) and ligand 5 (CCL5) mRNA levels and inflammatory cytokines in 60 MDD patients before (PRE) and after 5 weeks (W5) of antidepressive treatment in relation to therapy response and alterations in cognitive functions by means of the Cambridge Neuropsychological Test Automated Battery (CANTAB). We hypothesized that elevated CCR5 and CCL5 levels in depressed patients would decrease upon treatment and could differ with regard to cognitive impairment associated with MDD. RESULTS Both CCR5 and CCL5 levels were significantly decreased in the responder group compared to nonresponders even before treatment. The cytokine IL-6 as a marker of inflammation in depression did not show a difference before treatment in future responders versus nonresponders, but decreased significantly upon antidepressive therapy. Regarding neurocognitive impairment in MDD patients, an increased misperception of the emotion "anger" after 5 weeks of treatment proved to be associated with a more pronounced change in CCR5, and the perception of the emotion "disgust" became faster along with a stronger decrease in CCL5 over the same time. Executive functions typically impaired in MDD patients were not markedly associated with alterations in CCR5/CCL5. DISCUSSION CCR5 and CCL5 are important in the targeting of immune cells by HIV. This is the first study providing valuable hints that both CCR5 and CCL5 might also serve as markers of therapy response prediction in MDD. Regarding neurocognitive impairment in depression, CCR5 and CCL5 did not reveal characteristic changes upon MDD treatment such as executive functions, which are probably delayed. However, changes of emotional perception appear to be an earlier responding feature.
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Affiliation(s)
- Olivia Bauer
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Vladimir M Milenkovic
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Sven Hilbert
- Faculty of Human Sciences, University of Regensburg, Regensburg, Germany
| | - Nina Sarubin
- Hochschule Fresenius, University of Applied Sciences, Munich, Germany
- Department of Psychology, Psychological Methods and Assessment, Ludwig-Maximilians-Universität, Munich, Germany
| | - Johannes Weigl
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Lisa-Marie Bahr
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Thomas C Wetter
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Barbara Heckel
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Christian H Wetzel
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Rainer Rupprecht
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany
| | - Caroline Nothdurfter
- Department of Psychiatry and Psychotherapy, University of Regensburg, Regensburg, Germany,
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