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Sireci G, Badami GD, Di Liberto D, Blanda V, Grippi F, Di Paola L, Guercio A, de la Fuente J, Torina A. Recent Advances on the Innate Immune Response to Coxiella burnetii. Front Cell Infect Microbiol 2021; 11:754455. [PMID: 34796128 PMCID: PMC8593175 DOI: 10.3389/fcimb.2021.754455] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/12/2021] [Indexed: 12/14/2022] Open
Abstract
Coxiella burnetii is an obligate intracellular Gram-negative bacterium and the causative agent of a worldwide zoonosis known as Q fever. The pathogen invades monocytes and macrophages, replicating within acidic phagolysosomes and evading host defenses through different immune evasion strategies that are mainly associated with the structure of its lipopolysaccharide. The main transmission routes are aerosols and ingestion of fomites from infected animals. The innate immune system provides the first host defense against the microorganism, and it is crucial to direct the infection towards a self-limiting respiratory disease or the chronic form. This review reports the advances in understanding the mechanisms of innate immunity acting during C. burnetii infection and the strategies that pathogen put in place to infect the host cells and to modify the expression of specific host cell genes in order to subvert cellular processes. The mechanisms through which different cell types with different genetic backgrounds are differently susceptible to C. burnetii intracellular growth are discussed. The subsets of cytokines induced following C. burnetii infection as well as the pathogen influence on an inflammasome-mediated response are also described. Finally, we discuss the use of animal experimental systems for studying the innate immune response against C. burnetii and discovering novel methods for prevention and treatment of disease in humans and livestock.
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Affiliation(s)
- Guido Sireci
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Giusto Davide Badami
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Diana Di Liberto
- Central Laboratory of Advanced Diagnostic and Biological Research (CLADIBIOR), Department of Biomedicine, Neurosciences and Advanced Diagnostics (BIND), University Hospital "Paolo Giaccone", Università degli studi di Palermo, Palermo, Italy
| | - Valeria Blanda
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Francesca Grippi
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Laura Di Paola
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - Annalisa Guercio
- Istituto Zooprofilattico Sperimentale della Sicilia, Palermo, Italy
| | - José de la Fuente
- SaBio Health and Biotechnology, Instituto de Investigación en Recursos Cinegéticos, IREC -Spanish National Research Council CSIC - University of Castilla-La Mancha UCLM - Regional Government of Castilla-La Mancha JCCM, Ciudad Real, Spain.,Department of Veterinary Pathobiology, Center for Veterinary Health Sciences, Oklahoma State University, Stillwater, OK, United States
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Guzman RM, Howard ZP, Liu Z, Oliveira RD, Massa AT, Omsland A, White SN, Goodman AG. Natural genetic variation in Drosophila melanogaster reveals genes associated with Coxiella burnetii infection. Genetics 2021; 217:6117219. [PMID: 33789347 PMCID: PMC8045698 DOI: 10.1093/genetics/iyab005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 01/07/2021] [Indexed: 12/16/2022] Open
Abstract
The gram-negative bacterium Coxiella burnetii is the causative agent of Query (Q) fever in humans and coxiellosis in livestock. Host genetics are associated with C. burnetii pathogenesis both in humans and animals; however, it remains unknown if specific genes are associated with severity of infection. We employed the Drosophila Genetics Reference Panel to perform a genome-wide association study to identify host genetic variants that affect host survival to C. burnetii infection. The genome-wide association study identified 64 unique variants (P < 10−5) associated with 25 candidate genes. We examined the role each candidate gene contributes to host survival during C. burnetii infection using flies carrying a null mutation or RNAi knockdown of each candidate. We validated 15 of the 25 candidate genes using at least one method. This is the first report establishing involvement of many of these genes or their homologs with C. burnetii susceptibility in any system. Among the validated genes, FER and tara play roles in the JAK/STAT, JNK, and decapentaplegic/TGF-β signaling pathways which are components of known innate immune responses to C. burnetii infection. CG42673 and DIP-ε play roles in bacterial infection and synaptic signaling but have no previous association with C. burnetii pathogenesis. Furthermore, since the mammalian ortholog of CG13404 (PLGRKT) is an important regulator of macrophage function, CG13404 could play a role in host susceptibility to C. burnetii through hemocyte regulation. These insights provide a foundation for further investigation regarding the genetics of C. burnetii susceptibility across a wide variety of hosts.
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Affiliation(s)
- Rosa M Guzman
- School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Zachary P Howard
- School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Ziying Liu
- School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Ryan D Oliveira
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Alisha T Massa
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Anders Omsland
- Paul G. Allen School for Global Animal Health, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
| | - Stephen N White
- Department of Veterinary Microbiology and Pathology, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA.,USDA-ARS Animal Disease Research, Pullman, WA 99164, USA.,Center for Reproductive Biology, Washington State University, Pullman, WA 99164, USA
| | - Alan G Goodman
- School of Molecular Biosciences, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA.,Paul G. Allen School for Global Animal Health, College of Veterinary Medicine, Washington State University, Pullman, WA 99164, USA
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da Rocha Sobrinho HM, Saar Gomes R, da Silva DJ, Quixabeira VBL, Joosten LAB, Ribeiro de Barros Cardoso C, Ribeiro-Dias F. Toll-like receptor 10 controls TLR2-induced cytokine production in monocytes from patients with Parkinson's disease. J Neurosci Res 2021; 99:2511-2524. [PMID: 34260774 DOI: 10.1002/jnr.24916] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 05/25/2021] [Accepted: 06/07/2021] [Indexed: 12/22/2022]
Abstract
Peripheral inflammation, particularly mediated by monocytes, can cause neuroinflammation in Parkinson's disease (PD). We investigated the mechanism of TLR2-induced cytokine impairment in peripheral monocytes from PD patients and the association between the presence of CD14+ TLR10+ monocytes and PD severity. Peripheral blood mononuclear cells from PD patients and healthy individuals were evaluated for TLR expression on monocyte subsets (CD14 and CD16 expression) using flow cytometry. Moreover, cytokines were evaluated using flow cytometry after stimulation with Pam3 Cys (TLR2/TLR1 agonist) in the absence or presence of neutralizing antibodies to TLR10. The severity of PD was assessed using the unified PD rating scale (UPDRS) and motor activity, anxiety (BAI), depression (BDI), and fatigue (PD Fatigue Scale-16) scales. The frequency of CD14+ TLR10+ monocytes and expression intensity of TLR2 and TLR10 were higher in patients with PD than healthy individuals. The frequency of intermediate monocytes (CD14++ CD16+ ) was not significantly increased in patients with PD, but was the main monocyte subset expressing TLR10. The TLR2/TLR1-impaired cytokine production (IL-6, TNFα, IL-8, and IL-10) in PD patients was reversed by neutralizing TLR10. The high frequency of total CD14+ TLR10+ monocytes was associated with a reduction in the severity of PD according to the evaluation of motor and nonmotor symptoms. Peripheral monocytes from patients with PD showed phenotypic and functional alterations. The expression of TLR10 on monocytes can protect against PD by controlling TLR2-induced cytokine production. Furthermore, data suggested that a low frequency of CD14+ TLR10+ monocytes indicates the severity of PD. The results identified new opportunities for the development of novel PD neuroprotective therapies.
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Affiliation(s)
- Hermínio Maurício da Rocha Sobrinho
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil.,Escola de Ciências Médicas, Farmacêuticas e Biomédicas da Pontifícia Universidade Católica de Goiás (PUC Goiás), Goiânia, Brazil
| | - Rodrigo Saar Gomes
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
| | - Delson José da Silva
- Núcleo de Neurociências do Hospital das Clínicas da Universidade Federal de Goiás-UFG, Instituto Integrado de Neurociências, Goiânia, Brazil
| | - Valéria Bernadete Leite Quixabeira
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil.,Escola de Ciências Médicas, Farmacêuticas e Biomédicas da Pontifícia Universidade Católica de Goiás (PUC Goiás), Goiânia, Brazil
| | - Leo A B Joosten
- Department of Internal Medicine, Radboud Institute for Molecular Life Sciences (RIMLS), Radboud Center of Infectious Diseases (RCI), Radboud University Medical Center, Nijmegen, the Netherlands
| | | | - Fátima Ribeiro-Dias
- Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Brazil
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Xiang Q, Zhu L, Zheng K, Ding Y, Chen N, Liu G, He Q. Association of toll-like receptor 10 polymorphisms with pediatric pneumococcal meningitis. APMIS 2020; 128:335-342. [PMID: 31976578 DOI: 10.1111/apm.13028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Accepted: 01/16/2020] [Indexed: 01/26/2023]
Abstract
We aimed to investigate whether the gene polymorphisms of TLR10 were associated with risk and severity of pneumococcal meningitis (PM) and serum cytokine levels in children. Three single nucleotide polymorphisms (SNPs) of TLR10 rs4129009 (2676A > G), rs10004195 (1018T > A) and rs11466617 (40735A > G) were studied in 95 laboratory-confirmed PM pediatric patients and 330 healthy controls by PCR-based sequencing. Ten serum cytokines were determined by multiplex immunoassay. The frequency of variant haplotype GAG of TLR10 was significantly lower in patients than controls (11.3% vs 33.3%, p < 0.001), although frequencies of the genotypes and alleles of the three SNPs did not differ between patients and controls. Frequency of variant haplotype GAG was significantly lower in patients who had CSF protein >1000 mg/L than those who had CSF protein ≤1000 mg/L (3.50% vs 32.4%, p < 0.001). Moreover, higher frequency of the haplotype GAG was found in patients who had higher levels of inflammatory cytokines such as IFN-γ, TNF-α and IL-1β. Our finding suggested that the variant haplotype GAG in TLR10 is associated with decreased risk of PM in Chinese children.
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Affiliation(s)
- Qiaoyan Xiang
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Liang Zhu
- Department of Infectious Diseases, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Kai Zheng
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Yiwei Ding
- Department of Medical Microbiology, Capital Medical University, Beijing, China.,Department of Laboratory Medicine, The Sixth Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Ning Chen
- Department of Medical Microbiology, Capital Medical University, Beijing, China
| | - Gang Liu
- Department of Infectious Diseases, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Qiushui He
- Department of Medical Microbiology, Capital Medical University, Beijing, China.,Department of Medical Microbiology and Immunology, University of Turku, Turku, Finland
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Eldin C, Mélenotte C, Mediannikov O, Ghigo E, Million M, Edouard S, Mege JL, Maurin M, Raoult D. From Q Fever to Coxiella burnetii Infection: a Paradigm Change. Clin Microbiol Rev 2017; 30:115-190. [PMID: 27856520 PMCID: PMC5217791 DOI: 10.1128/cmr.00045-16] [Citation(s) in RCA: 550] [Impact Index Per Article: 78.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Coxiella burnetii is the agent of Q fever, or "query fever," a zoonosis first described in Australia in 1937. Since this first description, knowledge about this pathogen and its associated infections has increased dramatically. We review here all the progress made over the last 20 years on this topic. C. burnetii is classically a strict intracellular, Gram-negative bacterium. However, a major step in the characterization of this pathogen was achieved by the establishment of its axenic culture. C. burnetii infects a wide range of animals, from arthropods to humans. The genetic determinants of virulence are now better known, thanks to the achievement of determining the genome sequences of several strains of this species and comparative genomic analyses. Q fever can be found worldwide, but the epidemiological features of this disease vary according to the geographic area considered, including situations where it is endemic or hyperendemic, and the occurrence of large epidemic outbreaks. In recent years, a major breakthrough in the understanding of the natural history of human infection with C. burnetii was the breaking of the old dichotomy between "acute" and "chronic" Q fever. The clinical presentation of C. burnetii infection depends on both the virulence of the infecting C. burnetii strain and specific risks factors in the infected patient. Moreover, no persistent infection can exist without a focus of infection. This paradigm change should allow better diagnosis and management of primary infection and long-term complications in patients with C. burnetii infection.
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Affiliation(s)
- Carole Eldin
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Cléa Mélenotte
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Oleg Mediannikov
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Eric Ghigo
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Matthieu Million
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Sophie Edouard
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Jean-Louis Mege
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
| | - Max Maurin
- Institut de Biologie et de Pathologie, CHU de Grenoble, Grenoble, France
| | - Didier Raoult
- URMITE, UMR CNRS 7278, IRD 198, INSERM U1095, Faculté de Médecine, Marseille, France
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Shen H, Lu Z, Chen Z, Wu Y, Shen Z. Rapid Fermentable Substance Modulates Interactions between Ruminal Commensals and Toll-Like Receptors in Promotion of Immune Tolerance of Goat Rumen. Front Microbiol 2016; 7:1812. [PMID: 27909428 PMCID: PMC5112275 DOI: 10.3389/fmicb.2016.01812] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Accepted: 10/28/2016] [Indexed: 01/03/2023] Open
Abstract
Whether dietary non-fiber carbohydrate (NFC), a rapid fermentable substance, affects immune homeostasis of rumen through the modulation of interactions of ruminal microbiota and epithelial toll-like receptors (TLRs) remains unclear. A combination of 16S rRNA amplicon sequencing and quantitative PCRs was applied to study the synergetic responses of ruminal microbiota and epithelial TLRs to the dietary NFC switch from 15 to 31% in the goat model. The results showed that the 31% NFC diet caused the radical increases on the richness and diversity of rumen microbiota. The phylum Verrucomicrobia was most significantly expanded, whereas opportunistic pathogens, namely Rikenella, Anaeroplasma, and Olsenella, were significantly decreased. In rumen epithelium, the significantly increased expressions of TLR1, 6, 10 were associated with the significantly decreased expressions of pro-inflammatory cytokines interleukin-1beta (IL-1ß), IL-6, and anti-inflammatory cytokine IL-10. Constrained correlation analysis indicated that the increased abundance of commensal bacteria in Verrucomicrobia subdivision 5 contributed to the upregulation of TLR10 expression. Finally, the significantly increased concentrations of rumen short-chain fatty acids (SCFAs), coupled with the significantly upregulated expressions of epithelial genes related to SCFA absorption were observed in goats fed with 31% NFC diet. Thus, the NFC-induced expansion of rumen microbiota promoted epithelium tolerance by enhancement of the intensity of TLR10 signaling. The newly established equilibrium benefited to the transport of ruminal energy substances into the blood.
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Affiliation(s)
- Hong Shen
- College of Life Science, Nanjing Agricultural UniversityNanjing, China; Bioinformatics Center, Nanjing Agricultural UniversityNanjing, China
| | - Zhongyan Lu
- Key Lab of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University Nanjing, China
| | - Zhan Chen
- College of Life Science, Nanjing Agricultural UniversityNanjing, China; Bioinformatics Center, Nanjing Agricultural UniversityNanjing, China
| | - Yufeng Wu
- Bioinformatics Center, Nanjing Agricultural UniversityNanjing, China; College of Agriculture, Nanjing Agricultural UniversityNanjing, China
| | - Zanming Shen
- Key Lab of Animal Physiology and Biochemistry, College of Veterinary Medicine, Nanjing Agricultural University Nanjing, China
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