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Melo-Silva CR, Sigal LJ. Innate and adaptive immune responses that control lymph-borne viruses in the draining lymph node. Cell Mol Immunol 2024; 21:999-1007. [PMID: 38918577 PMCID: PMC11364670 DOI: 10.1038/s41423-024-01188-0] [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: 03/30/2024] [Accepted: 05/23/2024] [Indexed: 06/27/2024] Open
Abstract
The interstitial fluids in tissues are constantly drained into the lymph nodes (LNs) as lymph through afferent lymphatic vessels and from LNs into the blood through efferent lymphatics. LNs are strategically positioned and have the appropriate cellular composition to serve as sites of adaptive immune initiation against invading pathogens. However, for lymph-borne viruses, which disseminate from the entry site to other tissues through the lymphatic system, immune cells in the draining LN (dLN) also play critical roles in curbing systemic viral dissemination during primary and secondary infections. Lymph-borne viruses in tissues can be transported to dLNs as free virions in the lymph or within infected cells. Regardless of the entry mechanism, infected myeloid antigen-presenting cells, including various subtypes of dendritic cells, inflammatory monocytes, and macrophages, play a critical role in initiating the innate immune response within the dLN. This innate immune response involves cellular crosstalk between infected and bystander innate immune cells that ultimately produce type I interferons (IFN-Is) and other cytokines and recruit inflammatory monocytes and natural killer (NK) cells. IFN-I and NK cell cytotoxicity can restrict systemic viral spread during primary infections and prevent serious disease. Additionally, the memory CD8+ T-cells that reside or rapidly migrate to the dLN can contribute to disease prevention during secondary viral infections. This review explores the intricate innate immune responses orchestrated within dLNs that contain primary viral infections and the role of memory CD8+ T-cells following secondary infection or CD8+ T-cell vaccination.
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Affiliation(s)
- Carolina R Melo-Silva
- Department of Microbiology and Immunology, Thomas Jefferson University, Bluemle Life Sciences Building Room 709, 233 South 10th Street, Philadelphia, PA, 19107, USA.
| | - Luis J Sigal
- Department of Microbiology and Immunology, Thomas Jefferson University, Bluemle Life Sciences Building Room 709, 233 South 10th Street, Philadelphia, PA, 19107, USA.
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NKG2D Natural Killer Cell Receptor-A Short Description and Potential Clinical Applications. Cells 2021; 10:cells10061420. [PMID: 34200375 PMCID: PMC8229527 DOI: 10.3390/cells10061420] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/27/2021] [Accepted: 06/01/2021] [Indexed: 12/12/2022] Open
Abstract
Natural Killer (NK) cells are natural cytotoxic, effector cells of the innate immune system. They can recognize transformed or infected cells. NK cells are armed with a set of activating and inhibitory receptors which are able to bind to their ligands on target cells. The right balance between expression and activation of those receptors is fundamental for the proper functionality of NK cells. One of the best known activating receptors is NKG2D, a member of the CD94/NKG2 family. Due to a specific NKG2D binding with its eight different ligands, which are overexpressed in transformed, infected and stressed cells, NK cells are able to recognize and attack their targets. The NKG2D receptor has an enormous significance in various, autoimmune diseases, viral and bacterial infections as well as for transplantation outcomes and complications. This review focuses on the NKG2D receptor, the mechanism of its action, clinical relevance of its gene polymorphisms and a potential application in various clinical settings.
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Rohn H, Tomoya Michita R, Schwich E, Dolff S, Gäckler A, Trilling M, Le-Trilling VTK, Wilde B, Korth J, Heinemann FM, Horn PA, Kribben A, Witzke O, Rebmann V. The Donor Major Histocompatibility Complex Class I Chain-Related Molecule A Allele rs2596538 G Predicts Cytomegalovirus Viremia in Kidney Transplant Recipients. Front Immunol 2018; 9:917. [PMID: 29867932 PMCID: PMC5953334 DOI: 10.3389/fimmu.2018.00917] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Accepted: 04/13/2018] [Indexed: 01/14/2023] Open
Abstract
The interaction of major histocompatibility complex class I chain-related protein A (MICA) and its cognate activating receptor natural killer (NK) group 2 member D (NKG2D) receptor plays a significant role in viral immune control. In the context of kidney transplantation (KTx), cytomegalovirus (CMV) frequently causes severe complications. Hypothesizing that functional polymorphisms of the MICA/NKG2D axis might affect antiviral NK and T cell responses to CMV, we explored the association of the MICA-129 Met/Val single nucleotide polymorphism (SNP) (affecting the binding affinity of MICA with the NKG2D receptor), the MICA rs2596538 G/A SNP (influencing MICA transcription), and the NKG2D rs1049174 G/C SNP (determining the cytotoxic potential of effector cells) with the clinical outcome of CMV during the first year after KTx in a cohort of 181 kidney donor-recipients pairs. Univariate analyses identified the donor MICA rs2596538 G allele status as a protective prognostic determinant for CMV disease. In addition to the well-known prognostic factors CMV high-risk sero-status of patients and the application of lymphocyte-depleting drugs, the donor MICA rs2596538 G allele carrier status was confirmed by multivariate analyses as novel-independent factor predicting the development of CMV infection/disease during the first year after KTx. The results of our study emphasize the clinical importance of the MICA/NKG2D axis in CMV control in KTx and point out that the potential MICA transcription in the donor allograft is of clinically relevant importance for CMV immune control in this allogeneic situation. Furthermore, they provide substantial evidence that the donor MICA rs2596538 G allele carrier status is a promising genetic marker predicting CMV viremia after KTx. Thus, in the kidney transplant setting, donor MICA rs2596538 G may help to allow the future development of personal CMV approaches within a genetically predisposed patient cohort.
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Affiliation(s)
- Hana Rohn
- Department of Infectious Diseases, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Rafael Tomoya Michita
- Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Esther Schwich
- Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Sebastian Dolff
- Department of Infectious Diseases, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Anja Gäckler
- Department of Nephrology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Mirko Trilling
- Institute for Virology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | | | - Benjamin Wilde
- Department of Nephrology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Johannes Korth
- Department of Nephrology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Falko M Heinemann
- Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Peter A Horn
- Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Andreas Kribben
- Department of Nephrology, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Oliver Witzke
- Department of Infectious Diseases, University Hospital Essen, University Duisburg-Essen, Essen, Germany
| | - Vera Rebmann
- Institute for Transfusion Medicine, University Hospital Essen, University Duisburg-Essen, Essen, Germany
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Yadav MK, Chae SW, Go YY, Im GJ, Song JJ. In vitro Multi-Species Biofilms of Methicillin-Resistant Staphylococcus aureus and Pseudomonas aeruginosa and Their Host Interaction during In vivo Colonization of an Otitis Media Rat Model. Front Cell Infect Microbiol 2017; 7:125. [PMID: 28459043 PMCID: PMC5394157 DOI: 10.3389/fcimb.2017.00125] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 03/27/2017] [Indexed: 01/30/2023] Open
Abstract
Staphylococcus aureus (SA) and Pseudomonas aeruginosa (PA) are known to cause biofilm-related infections. MRSA and PA have been frequently isolated from chronically infected wounds, cystic fibrosis, chronic suppurative otitis media (CSOM), and from indwelling medical devices, and these bacteria co-exist; however, their interaction with each-other or with the host is not well known. In this study, we investigated MRSA and PA multi-species biofilm communities in vitro and their interaction with the host during in vivo colonization using an OM rat-model. In-vitro biofilm formation and in-vivo colonization were studied using CV-microtiter plate assay and OM rat-model respectively. The biofilms were viewed under scanning electron microscope and bacteria were enumerated using cfu counts. The differential gene expressions of rat mucosa colonized with single or multi-species of MRSA or PA were studied using RNA-sequencing of total transcriptome. In multi-species in-vitro biofilms PA partially inhibited SA growth. However, no significant inhibition of MRSA was detected during in-vivo colonization of multi-species in rat bullae. A total of 1,797 genes were significantly (p < 0.05) differentially expressed in MRSA or PA or MRSA + PA colonized rat middle ear mucosa with respect to the control. The poly-microbial colonization of MRSA and PA induced the differential expression of a significant number of genes that are involved in immune response, inflammation, signaling, development, and defense; these were not expressed with single species colonization by either MRSA or PA. Genes involved in defense, immune response, inflammatory response, and developmental process were exclusively up-regulated, and genes that are involved in nervous system signaling, development and transmission, regulation of cell growth and development, anatomical and system development, and cell differentiation were down-regulated after multi-species inoculation. These results indicate that poly-microbial colonization induces a host response that is different from that induced by single species infection.
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Affiliation(s)
- Mukesh K Yadav
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of MedicineSeoul, South Korea.,Institute for Medical Device Clinical Trials, Korea University College of MedicineSeoul, South Korea
| | - Sung-Won Chae
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of MedicineSeoul, South Korea
| | - Yoon Young Go
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of MedicineSeoul, South Korea
| | - Gi Jung Im
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of MedicineSeoul, South Korea
| | - Jae-Jun Song
- Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of MedicineSeoul, South Korea
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Greene TT, Tokuyama M, Knudsen GM, Kunz M, Lin J, Greninger AL, DeFilippis VR, DeRisi JL, Raulet DH, Coscoy L. A Herpesviral induction of RAE-1 NKG2D ligand expression occurs through release of HDAC mediated repression. eLife 2016; 5:e14749. [PMID: 27874833 PMCID: PMC5132344 DOI: 10.7554/elife.14749] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Accepted: 11/07/2016] [Indexed: 01/02/2023] Open
Abstract
Natural Killer (NK) cells are essential for control of viral infection and cancer. NK cells express NKG2D, an activating receptor that directly recognizes NKG2D ligands. These are expressed at low level on healthy cells, but are induced by stresses like infection and transformation. The physiological events that drive NKG2D ligand expression during infection are still poorly understood. We observed that the mouse cytomegalovirus encoded protein m18 is necessary and sufficient to drive expression of the RAE-1 family of NKG2D ligands. We demonstrate that RAE-1 is transcriptionally repressed by histone deacetylase inhibitor 3 (HDAC3) in healthy cells, and m18 relieves this repression by directly interacting with Casein Kinase II and preventing it from activating HDAC3. Accordingly, we found that HDAC inhibiting proteins from human herpesviruses induce human NKG2D ligand ULBP-1. Thus our findings indicate that virally mediated HDAC inhibition can act as a signal for the host to activate NK-cell recognition.
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Affiliation(s)
- Trever T Greene
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
| | - Maria Tokuyama
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
| | - Giselle M Knudsen
- Department of Biochemistry and Biophysics, University of California, San Francisco, United States
| | - Michele Kunz
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
| | - James Lin
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
| | - Alexander L Greninger
- Department of Biochemistry and Biophysics, University of California, San Francisco, United States
| | - Victor R DeFilippis
- Vaccine and Gene Therapy Institute, Oregon Health and Science University, Beaverton, United States
| | - Joseph L DeRisi
- Department of Biochemistry and Biophysics, University of California, San Francisco, United States
| | - David H Raulet
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
| | - Laurent Coscoy
- Department of Molecular and Cell Biology, University of California, Berkeley, United States
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