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Wang Y, Xue N, Wang Z, Zeng X, Ji N, Chen Q. Targeting Th17 cells: a promising strategy to treat oral mucosal inflammatory diseases. Front Immunol 2023; 14:1236856. [PMID: 37564654 PMCID: PMC10410157 DOI: 10.3389/fimmu.2023.1236856] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 07/06/2023] [Indexed: 08/12/2023] Open
Abstract
With the improved quality of life, oral health is under increased pressure. Numerous common oral mucosal diseases, such as oral lichen planus(OLP) and gingivitis, are related to the destruction of the oral immune barrier. The cytokines secreted by T-helper 17 (Th17) cells are essential for maintaining oral immune homeostasis and play essential roles in immune surveillance. When antigens stimulate the epithelium, Th17 cells expand, differentiate, and generate inflammatory factors to recruit other lymphocytes, such as neutrophils, to clear the infection, which helps to maintain the integrity of the epithelial barrier. In contrast, excessive Th17/IL-17 axis reactions may cause autoimmune damage. Therefore, an in-depth understanding of the role of Th17 cells in oral mucosa may provide prospects for treating oral mucosal diseases. We reviewed the role of Th17 cells in various oral and skin mucosal systemic diseases with oral characteristics, and based on the findings of these reports, we emphasize that Th17 cellular response may be a critical factor in inflammatory diseases of the oral mucosa. In addition, we should pay attention to the role and relationship of "pathogenic Th17" and "non-pathogenic Th17" in oral mucosal diseases. We hope to provide a reference for Th17 cells as a potential therapeutic target for treating oral mucosal inflammatory disorders in the future.
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Affiliation(s)
| | | | | | | | - Ning Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Research Unit of Oral Carcinogenesis and Management, Chinese Academy of Medical Sciences, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
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Meitei HT, Lal G. T cell receptor signaling in the differentiation and plasticity of CD4 + T cells. Cytokine Growth Factor Rev 2023; 69:14-27. [PMID: 36028461 DOI: 10.1016/j.cytogfr.2022.08.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 08/17/2022] [Indexed: 02/07/2023]
Abstract
CD4+ T cells are critical components of the adaptive immune system. The T cell receptor (TCR) and co-receptor signaling cascades shape the phenotype and functions of CD4+ T cells. TCR signaling plays a crucial role in T cell development, antigen recognition, activation, and differentiation upon recognition of foreign- or auto-antigens. In specific autoimmune conditions, altered TCR repertoire is reported and can predispose autoimmunity with organ-specific inflammation and tissue damage. TCR signaling modulates various signaling cascades and regulates epigenetic and transcriptional regulation during homeostasis and disease conditions. Understanding the mechanism by which coreceptors and cytokine signals control the magnitude of TCR signal amplification will aid in developing therapeutic strategies to treat inflammation and autoimmune diseases. This review focuses on the role of the TCR signaling cascade and its components in the activation, differentiation, and plasticity of various CD4+ T cell subsets.
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Affiliation(s)
| | - Girdhari Lal
- National Centre for Cell Science, SPPU campus, Ganeshkhind, Pune, MH 411007, India.
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Lu Y, Kared H, Tan SW, Becht E, Newell EW, Van Bever HPS, Ng TP, Larbi A. Dynamics of helper CD4 T cells during acute and stable allergic asthma. Mucosal Immunol 2018; 11:1640-1652. [PMID: 30087444 DOI: 10.1038/s41385-018-0057-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 05/14/2018] [Accepted: 06/12/2018] [Indexed: 02/04/2023]
Abstract
Asthma comprises heterogeneous clinical subtypes driven by diverse pathophysiological mechanisms. We characterized the modulation of the inflammatory environment with the phenotype, gene expression, and function of helper CD4 T cells among acutely exacerbated and stable asthma patients. Systemic Th2 immune deviation (IgE and Th2 cytokines) and inflammation (IL-6, CRP) were associated with increased Th17 cells during acute asthma. Th2/Th17 cell differentiation during acute asthma was regulated by the enhanced expression of transcription factors (c-MAF, IRF-4). The development of pathogenic Th2 cells during acute asthma was characterized by the secretion of inflammatory cytokines coupled with Th2 molecules and PPARγ expression. The acquisition of CD15S, CD39, CD101, and CCR4 contributed to the increased heterogeneity of Regulatory T cells during asthma. Two clusters were derived from above cytokines, CD4 T cell phenotypes, and clinical data. Cluster 1, characterized by high eosinophils, Th2 and ILC2 frequencies, and higher exacerbation rates, may represent Th2-high subtype. Cluster 2 represents a more complex subtype; it is constituted by higher neutrophils or Th17 frequencies, higher inhaled corticosteroids dose and poor asthma control. In conclusion, we characterized systematically and longitudinally Th2-high and non-Th2 asthma subtypes and the heterogeneity of CD4 T cells in stable and acute asthma.
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Affiliation(s)
- Yanxia Lu
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore. .,Department of Clinical Psychology and Psychiatry/School of Public Health, Zhejiang University College of Medicine, Hangzhou, China.
| | - Hassen Kared
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Shu Wen Tan
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Etienne Becht
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Evan W Newell
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Hugo P S Van Bever
- Department of Pediatrics, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Tze Pin Ng
- Department of Psychological Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore
| | - Anis Larbi
- Singapore Immunology Network (SIgN), Immunos Building at Biopolis, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore.,Department of Biology, Faculty of Science, University Tunis El Manar, Tunis, Tunisia.,Department of Medicine, Research Center on Aging, University of Sherbrooke, Sherbrooke, Canada
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Zhang S. The role of transforming growth factor β in T helper 17 differentiation. Immunology 2018; 155:24-35. [PMID: 29682722 PMCID: PMC6099164 DOI: 10.1111/imm.12938] [Citation(s) in RCA: 108] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 04/11/2018] [Accepted: 04/11/2018] [Indexed: 12/12/2022] Open
Abstract
T helper 17 (Th17) cells play critical roles in inflammatory and autoimmune diseases. The lineage-specific transcription factor RORγt is the key regulator for Th17 cell fate commitment. A substantial number of studies have established the importance of transforming growth factor β (TGF-β) -dependent pathways in inducing RORγt expression and Th17 differentiation. TGF-β superfamily members TGF-β1 , TGF-β3 or activin A, in concert with interleukin-6 or interleukin-21, differentiate naive T cells into Th17 cells. Alternatively, Th17 differentiation can occur through TGF-β-independent pathways. However, the mechanism of how TGF-β-dependent and TGF-β-independent pathways control Th17 differentiation remains controversial. This review focuses on the perplexing role of TGF-β in Th17 differentiation, depicts the requirement of TGF-β for Th17 development, and underscores the multiple mechanisms underlying TGF-β-promoted Th17 generation, pathogenicity and plasticity. With new insights and comprehension from recent findings, this review specifically tackles the involvement of the canonical TGF-β signalling components, SMAD2, SMAD3 and SMAD4, summarizes diverse SMAD-independent mechanisms, and highlights the importance of TGF-β signalling in balancing the reciprocal conversion of Th17 and regulatory T cells. Finally, this review includes discussions and perspectives and raises important mechanistic questions about the role of TGF-β in Th17 generation and function.
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Affiliation(s)
- Song Zhang
- State Key Laboratory of Medicinal Chemical BiologyCollege of Life SciencesNankai UniversityTianjinChina
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Anti-Dll4 Antibody Inhibits the Differentiation of Th17 Cells in Asthmatic Mice. Inflammation 2018; 40:1975-1982. [PMID: 28812183 DOI: 10.1007/s10753-017-0638-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
T helper 17 (Th17) cells play an important role in allergic asthma, and the Notch ligand Delta-like ligand (Dll)4 has been reported to direct the differentiation of Th17 cells. In this study, experimental animals were divided into five groups (control group, asthma group, physiological saline group, anti-Dll4 antibody group, and immunoglobulin G group). The study aimed to explore the effect of anti-Dll4 antibody on the differentiation of Th17 cell in asthmatic mice. Dll4 protein expressions were performed by immunohistochemical imaging. The proportion of Th17 cells in mouse spleen-isolated CD4+ T cells were measured by flow cytometry. The protein expression of Th17 transcription factor retinoid-related orphan nuclear receptor (RORγt) was detected by Western blotting. Interleukin (IL)-17 levels in serum were measured by enzyme-linked immunosorbent assay (ELISA). The study found that the expression of Dll4 in lung tissue from the asthma group significantly increased compared with the anti-Dll4 antibody group. The ratio of Th17 cells in CD4+ T cells was significantly downregulated, and the protein expression of RORγt in spleen significantly reduced in the anti-Dll4 antibody group compared with the asthma group. Moreover, the IL-17 level in serum from the anti-Dll4 antibody group significantly reduced compared with the asthma group. These results suggested that anti-Dll4 antibody could inhibit the differentiation of Th17 cells in asthmatic mice.
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Zeng Z, Lin X, Zheng R, Zhang H, Zhang W. Celastrol Alleviates Airway Hyperresponsiveness and Inhibits Th17 Responses in Obese Asthmatic Mice. Front Pharmacol 2018; 9:49. [PMID: 29445341 PMCID: PMC5797758 DOI: 10.3389/fphar.2018.00049] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2017] [Accepted: 01/15/2018] [Indexed: 02/05/2023] Open
Abstract
Severe airway hyperresponsiveness (AHR) is a clinical feature of asthma, which has been associated with obesity and has shown a poor response to standard asthma treatments such as glucocorticoids. Numerous studies have shown that Interleukin (IL)-17 producing CD4+T cells (Th17 cells), which could be inhibited by celastrol, is essential in mediating steroid-resistant AHR. The following study investigates the impact of celastrol and its mechanism on the regulation of AHR in murine model of obesity and asthma. C57BL/6 mice were sensitized by intraperitoneal injection of ovalbumin (OVA) on day 1 and 13 starting from 12th week, which was followed by aerosol OVA challenge that lasted for 30 min per daily for 7 consecutive days starting from 16th week. Diet-induced obesity (DIO) mice were fed a high fat diet (HFD) for 16 weeks. Celastrol was administrated orally for 7 consecutive days, 30 min before every challenge in DIO-OVA-induced mice. Lung functions were analyzed by measuring the airway resistance (Rn) and methacholine (MCh) AHR, while H&E staining was used to examine histological changes in the lungs. Immunohistochemistry was used to observe IL-17A protein in lung tissues; flow cytometry to detect the proportion of Th17 cells in CD4+T cells. The concentration of cytokines IL-17A in serum was assessed by standardized sandwich ELISA, while the expression of IL-17A mRNA in lung was examined by quantitative real-time RT-PCR. Briefly, our data indicated that celastrol reduced body mass in DIO-OVA-induced obesity and asthma. Both baseline Rn and MCh AHR were significantly lower in celastrol group. Moreover, celastrol treatment decreased the frequency of Th17 cell expansion and reduced the production of IL-17A in both lung and serum. To sum up, our findings indicated that Th17 and its cytokine measured in the spleen and lung were closely associated with AHR. In addition, celastrol has shown the ability to suppress AHR through Th17 inhibition in obese asthmatic mice.
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Affiliation(s)
- Zeyu Zeng
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xixi Lin
- Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Rongying Zheng
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Hui Zhang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
| | - Weixi Zhang
- Department of Pediatric Allergy and Immunology, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China
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Group III phospholipase A 2 promotes colitis and colorectal cancer. Sci Rep 2017; 7:12261. [PMID: 28947740 PMCID: PMC5612992 DOI: 10.1038/s41598-017-12434-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Accepted: 09/11/2017] [Indexed: 12/21/2022] Open
Abstract
Lipid mediators play pivotal roles in colorectal cancer and colitis, but only a limited member of the phospholipase A2 (PLA2) subtypes, which lie upstream of various lipid mediators, have been implicated in the positive or negative regulation of these diseases. Clinical and biochemical evidence suggests that secreted PLA2 group III (sPLA2-III) is associated with colorectal cancer, although its precise role remains obscure. Here we have found that sPLA2-III-null (Pla2g3 -/-) mice are highly resistant to colon carcinogenesis. Furthermore, Pla2g3 -/- mice are less susceptible to dextran sulfate-induced colitis, implying that the amelioration of colonic inflammation by sPLA2-III ablation may underlie the protective effect against colon cancer. Lipidomics analysis of the colon revealed significant reduction of pro-inflammatory/pro-tumorigenic lysophosholipids as well as unusual steady-state elevation of colon-protective fatty acids and their oxygenated metabolites in Pla2g3 -/- mice. Overall, our results establish a role of sPLA2-III in the promotion of colorectal inflammation and cancer, expand our understanding of the divergent roles of multiple PLA2 enzymes in the gastrointestinal tract, and point to sPLA2-III as a novel druggable target for colorectal diseases.
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Keck J, Gupta R, Christenson LK, Arulanandam BP. MicroRNA mediated regulation of immunity against gram-negative bacteria. Int Rev Immunol 2017; 36:287-299. [PMID: 28800263 PMCID: PMC6904929 DOI: 10.1080/08830185.2017.1347649] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Evidence over the last couple decades has comprehensively established that short, highly conserved, non-coding RNA species called microRNA (miRNA) exhibit the ability to regulate expression and function of host genes at the messenger RNA (mRNA) level. MicroRNAs play key regulatory roles in immune cell development, differentiation, and protective function. Intrinsic host immune response to invading pathogens rely on intricate orchestrated events in the development of innate and adaptive arms of immunity. We discuss the involvement of miRNAs in regulating these processes against gram negative pathogens in this review.
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Affiliation(s)
- Jonathon Keck
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249
| | - Rishein Gupta
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249
| | - Lane K. Christenson
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, Kansas 66160
| | - Bernard P. Arulanandam
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, One UTSA Circle, San Antonio, TX 78249
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Li C, Sheng A, Jia X, Zeng Z, Zhang X, Zhao W, Zhang W. Th17/Treg dysregulation in allergic asthmatic children is associated with elevated notch expression. J Asthma 2017; 55:1-7. [PMID: 28463581 DOI: 10.1080/02770903.2016.1266494] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
BACKGROUND Notch signaling pathway is critically involved in the differentiation of T helper (Th) cells, key players in the pathogenesis of allergic diseases. OBJECTIVE The study is to explore whether Th17/Treg dysregulation in children with allergic asthma (AA) is associated with alteration of Notch expression. METHODS Thirty-five patients with AA and thirty-five healthy control children were selected. Flow cytometry was used to detect Th17 and Treg cells. Quantitative real-time polymerase chain reaction (QRT-PCR) was used to measure the expression of Notch1 mRNA. The correlations among Notch1 mRNA expression, the percentage of Th17 cells, and Th17/Treg ratio were calculated. RESULTS Th17 and Treg cells were significantly increased and decreased, respectively, in children with AA than in healthy control (p < 0.001). mRNA level of Notch1 was elevated in children with AA comparing to healthy controls (p < 0.001). The mRNA expression of Notch1 was positively correlated with the percentage of Th17 cells (r = 0.775, p < 0.001) and Th17/Treg ratio (r = 0.698, p < 0.001). CONCLUSION Children with AA showed dysregulation of Th17/Treg cells in peripheral blood. Such change is accompanied with overexpression of Notch1, indicating Th17/Treg dysregulation in children with AA is associated with elevated Notch expression.
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Affiliation(s)
- Changchong Li
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
| | - Anqun Sheng
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
| | - Xiaoxiao Jia
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
| | - Zeyu Zeng
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
| | - Xueya Zhang
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
| | - Wei Zhao
- b Division of Allergy and Immunology, Department of Pediatrics , Virginia Commonwealth University , Richmond , VA , USA
| | - Weixi Zhang
- a Department of Pediatric Allergy and Immunology , The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University , Wenzhou , Zhejiang Province , China
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Gupta R, Arkatkar T, Keck J, Koundinya GKL, Castillo K, Hobel S, Chambers JP, Yu JJ, Guentzel MN, Aigner A, Christenson LK, Arulanandam BP. Antigen specific immune response in Chlamydia muridarum genital infection is dependent on murine microRNAs-155 and -182. Oncotarget 2016; 7:64726-64742. [PMID: 27556515 PMCID: PMC5323111 DOI: 10.18632/oncotarget.11461] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Accepted: 08/02/2016] [Indexed: 12/21/2022] Open
Abstract
Anti-chlamydial immunity involves efficient presentation of antigens (Ag) to effector cells resulting in Ag-specific immune responses. There is limited information on inherent underlying mechanisms regulating these events. Previous studies from our laboratory have established that select microRNAs (miRs) function as molecular regulators of immunity in Chlamydia muridarum (Cm) genital infection. In this report, we investigated immune cell type-specific miRs, i.e. miR-155 and -182, and the role in Ag-specific immunity. We observed significant up-regulation of miR-155 in C57BL/6 bone marrow derived dendritic cells (BMDC), and miR-182 in splenic Ag-specific CD4+ T-cells. Using mimics and inhibitors, we determined that miR-155 contributed to BMDC activation following Cm infection. Co-cultures of miR-155 over-expressed in BMDC and miR-182 over-expressed in Ag-specific CD4+ T-cells, or miR-155-/- BMDC with miR-182 inhibitor treated Ag-specific CD4+ T-cells, resulted in IFN-γ production comparable to Ag-specific CD4+ T-cells isolated from Cm infected mice. Additionally, miR-182 was significantly up-regulated in intranasally vaccinated mice protected against Cm infection. In vivo depletion of miR-182 resulted in reduction in Ag-specific IFN-γ and genital pathology in Cm infected mice. To the best of our knowledge, this is the first study to report an interaction of miR-155 (in Cm infected DC) and miR-182 (in CD4+ T-cell) resulting in Ag specific immune responses against genital Cm.
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Affiliation(s)
- Rishein Gupta
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Tanvi Arkatkar
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Jonathon Keck
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Gopala Krishna Lanka Koundinya
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Kevin Castillo
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Sabrina Hobel
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, University of Leipzig, HärtelstraΔe, Leipzig, Germany
| | - James P. Chambers
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Jieh-Juen Yu
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - M. Neal Guentzel
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
| | - Achim Aigner
- Rudolf-Boehm-Institute for Pharmacology and Toxicology, Clinical Pharmacology, University of Leipzig, HärtelstraΔe, Leipzig, Germany
| | - Lane K. Christenson
- Department of Molecular and Integrative Physiology, University of Kansas Medical Center, Kansas City, KS, USA
| | - Bernard P. Arulanandam
- South Texas Center for Emerging Infectious Diseases and Center of Excellence in Infection Genomics, University of Texas at San Antonio, San Antonio, TX, USA
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