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Abbasnia S, Hashem Asnaashari AM, Sharebiani H, Soleimanpour S, Mosavat A, Rezaee SA. Mycobacterium tuberculosis and host interactions in the manifestation of tuberculosis. J Clin Tuberc Other Mycobact Dis 2024; 36:100458. [PMID: 38983441 PMCID: PMC11231606 DOI: 10.1016/j.jctube.2024.100458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/11/2024] Open
Abstract
The final step of epigenetic processes is changing the gene expression in a new microenvironment in the body, such as neuroendocrine changes, active infections, oncogenes, or chemical agents. The case of tuberculosis (TB) is an outcome of Mycobacterium tuberculosis (M.tb) and host interaction in the manifestation of active and latent TB or clearance. This comprehensive review explains and interprets the epigenetics findings regarding gene expressions on the host-pathogen interactions in the development and progression of tuberculosis. This review introduces novel insights into the complicated host-pathogen interactions, discusses the challengeable results, and shows the gaps in the clear understanding of M.tb behavior. Focusing on the biological phenomena of host-pathogen interactions, the epigenetic changes, and their outcomes provides a promising future for developing effective TB immunotherapies when converting gene expression toward appropriate host immune responses gradually becomes attainable. Overall, this review may shed light on the dark sides of TB pathogenesis as a life-threatening disease. Therefore, it may support effective planning and implementation of epigenetics approaches for introducing proper therapies or effective vaccines.
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Affiliation(s)
- Shadi Abbasnia
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Hiva Sharebiani
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saman Soleimanpour
- Antimicrobial Resistance Research Center, Bu-Ali Research Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Microbiology and Virology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Arman Mosavat
- Blood Borne Infections Research Center, Academic Center for Education, Culture, and Research (ACECR), Razavi Khorasan, Mashhad, Iran
| | - Seyed Abdolrahim Rezaee
- Immunology Research Center, Inflammation and Inflammatory Diseases Division, Mashhad University of Medical Sciences, Mashhad, Iran
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Kommoju V, Mariaselvam CM, Bulusu SN, Michael BNR, Kavadichanda C, Thabah MM, Negi VS. Rheumatoid arthritis autologous synovial fluid affects the plasticity and function of peripheral and induced T regulatory cells in vitro. Immunol Lett 2024; 267:106859. [PMID: 38670465 DOI: 10.1016/j.imlet.2024.106859] [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: 08/24/2023] [Revised: 03/01/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
The synovial fluid (SF) microenvironment in rheumatoid arthritis (RA) may alter the stability and function of Tregs. In the present study, we assessed cytokine levels and percentage of Tregs, Tregs expressing CXCR3 (Th1-like Treg), CCR6 (Th17-like Treg) in RA peripheral blood (PB) and RA-SF using fluorescence cytometry. Effect of autologous SF on plasticity and function of RA-PB Tregs (pTregs; CD4+CD25hiCD127Lo/-) and induced vimentin-pulsed Tregs (iTregsVIM) was assessed in vitro. Cytokines and percentage of Th1-like and Th17-like Tregs were higher in RA-PB than OA-PB; higher in RA-SF than osteoarthritis (OA)-SF. Compared to OA-SF exposed OA-pTregs, RA-SF exposed RA-pTregs showed higher percentage of Th1-like (11% vs 20%) and Th17-like (16% vs 36%) Tregs; higher T-bet (p = 0.0001), RORγ (p = 0.0001) and lower FOXP3 (p = 0.0001) gene expression; and diminished percentage suppression of autologous T effector cells (36% vs 74%). RA-SF exposed iTregsVIM showed increased percentage of Th1-like and Th17-like Tregs compared to iTregsVIM exposed to AB serum (8% vs 0.1%; 21% vs 0.1%). IL-2, Tocilizumab and 5-azacytidine reduced the conversion of iTregsVIM (8% vs 2.4%; 21% vs 6.9%), when used in combination. To conclude, microenvironment in the RA synovial fluid is possibly responsible for conversion of pTregs into Th-like Tregs and their functional loss. A blockade of cytokine receptors and methyl transferases could inhibit Tregs conversion, providing clinical relevance for future Tregs targeting therapies.
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Affiliation(s)
- Vallayyachari Kommoju
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Christina Mary Mariaselvam
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Sree Nethra Bulusu
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Benita Nancy Reni Michael
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Chengappa Kavadichanda
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Molly Mary Thabah
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India
| | - Vir Singh Negi
- Department of Clinical Immunology, Jawaharlal Institute of Postgraduate Medical Education and Research (JIPMER), Pondicherry 605 006, India; All India Institute of Medical Sciences (AIIMS), Bilaspur, Himachal Pradesh 174001, India.
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Negi S, Rutman AK, Saw CL, Paraskevas S, Tchervenkov J. Pretransplant, Th17 dominant alloreactivity in highly sensitized kidney transplant candidates. FRONTIERS IN TRANSPLANTATION 2024; 3:1336563. [PMID: 38993777 PMCID: PMC11235243 DOI: 10.3389/frtra.2024.1336563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 03/21/2024] [Indexed: 07/13/2024]
Abstract
Introduction Sensitization to donor human leukocyte antigen (HLA) molecules prior to transplantation is a significant risk factor for delayed access to transplantation and to long-term outcomes. Memory T cells and their cytokines play a pivotal role in shaping immune responses, thereby increasing the risk of allograft rejection among highly sensitized patients. This study aims to elucidate the precise contribution of different CD4+ memory T cell subsets to alloreactivity in highly sensitized (HS) kidney transplant recipients. Methods and results Stimulation of peripheral blood mononuclear cells (PBMC) with various polyclonal stimulating agents to assess non-specific immune responses revealed that HS patients exhibit elevated immune reactivity even before kidney transplantation, compared to non-sensitized (NS) patients. HS patients' PBMC displayed higher frequencies of CD4+ T cells expressing IFNγ, IL4, IL6, IL17A, and TNFα and secreted relatively higher levels of IL17A and IL21 upon stimulation with PMA/ionomycin. Additionally, PBMC from HS patients stimulated with T cell stimulating agent phytohemagglutinin (PHA) exhibited elevated expression levels of IFNγ, IL4 and, IL21. On the other hand, stimulation with a combination of resiquimod (R848) and IL2 for the activation of memory B cells demonstrated higher expression of IL17A, TNFα and IL21, as determined by quantitative real-time PCR. A mixed leukocyte reaction (MLR) assay, employing third-party donor antigen presenting cells (APCs), was implemented to evaluate the direct alloreactive response. HS patients demonstrated notably higher frequencies of CD4+ T cells expressing IL4, IL6 and IL17A. Interestingly, APCs expressing recall HLA antigens triggered a stronger Th17 response compared to APCs lacking recall HLA antigens in sensitized patients. Furthermore, donor APCs induced higher activation of effector memory T cells in HS patients as compared to NS patients. Conclusion These results provide an assessment of pretransplant alloreactive T cell subsets in highly sensitized patients and emphasize the significance of Th17 cells in alloimmune responses. These findings hold promise for the development of treatment strategies tailored to sensitized kidney transplant recipients, with potential clinical implications.
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Affiliation(s)
- Sarita Negi
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Human Islet Transplantation Laboratory, McGill University Health Centre, Montréal, QC, Canada
| | | | - Chee Loong Saw
- HLA Laboratory, Division of Hematology, McGill University Health Centre, Montréal, QC, Canada
| | - Steven Paraskevas
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Human Islet Transplantation Laboratory, McGill University Health Centre, Montréal, QC, Canada
- Department of Surgery, McGill University, Montréal, QC, Canada
- Division of General Surgery and Multi-Organ Transplant Program, Department of Surgery, McGill University Health Centre, Montréal, QC, Canada
| | - Jean Tchervenkov
- Infectious Diseases and Immunity in Global Health Program, Research Institute of the McGill University Health Centre, Montréal, QC, Canada
- Department of Surgery, McGill University, Montréal, QC, Canada
- Division of General Surgery and Multi-Organ Transplant Program, Department of Surgery, McGill University Health Centre, Montréal, QC, Canada
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Wang D, Zou F, Li Y, Hu J, Gao L. Targeting MELK improves PD-1 blockade efficiency in cervical cancer via enhancing antitumor immunity. MOLECULAR THERAPY. ONCOLOGY 2024; 32:200759. [PMID: 38596298 PMCID: PMC10869760 DOI: 10.1016/j.omton.2024.200759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 10/24/2023] [Accepted: 01/05/2024] [Indexed: 04/11/2024]
Abstract
The balance between T helper 1 (Th1) and T helper 2 (Th2) has a critical function in determining intratumoral immune response and anti-PD-1 immunotherapy. The level of maternal embryonic leucine zipper kinase (MELK) is reported to correlate with infiltration of immune cells in cancers, but the underlying molecular mechanism is not clarified. In the present study, we aimed to elucidate the potential function of MELK in cervical cancer. We found that MELK was upregulated and played an oncogenic role in cervical cancer. MELK overexpression shifted Th1/Th2 balance toward Th2 predisposition in mouse cervical tumors in vivo and naive T cells from human PBMCs in vitro, whereas MELK knockdown exhibited opposite effects. MELK overexpression activated NF-κB signaling and promoted IL-6 secretion by cervical cancer cells. Depletion of IL-6 by neutralization antibodies abrogated the influence of MELK on Th1/Th2 balance. In addition, MELK modulated the antitumor activity of cytotoxic CD8+ T cells in cervical tumors, but depletion of Th2 cells by IL-4 neutralization abrogated this effect. Finally, MELK overexpression conferred tolerance to PD-1 blockade in cervical tumors, whereas targeting MELK by OTSSP167 significantly enhanced PD-1 blockade efficiency. Our data elucidated a novel role of MELK in regulating Th1/Th2 balance and anti-PD-1 immunotherapy in cervical cancer.
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Affiliation(s)
- Dongjiao Wang
- Department of Gynecological Oncology, The First Hospital of Jilin University, Changchun 130021, China
| | - Fei Zou
- Department of Pediatrics, The First Hospital of Jilin University, Changchun 130021, China
| | - Yu Li
- Department of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China
| | - Jinqiu Hu
- Pathology Teaching and Research Office, Changchun Medical College, Changchun 130021, China
| | - Ling Gao
- Department of Radiation Oncology & Therapy, The First Hospital of Jilin University, Changchun 130021, China
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Liu Q, Wang Y, Harpaz N. Coexisting Th1 and Th2 cytokines in patients with collagenous gastritis and implications for its pathogenesis. J Pediatr Gastroenterol Nutr 2024; 78:231-240. [PMID: 38374564 DOI: 10.1002/jpn3.12109] [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: 07/14/2023] [Revised: 11/28/2023] [Accepted: 12/02/2023] [Indexed: 02/21/2024]
Abstract
OBJECTIVES Collagenous gastritis (CG) is a rare cause of refractory dyspepsia and anemia that frequently affects children and young adults and whose histological hallmark is chronic mucosal inflammation with a subepithelial collagen band. The etiology remains obscure, and no established treatments exist. We investigated the pathogenesis of CG by determining the expression profiles of genes related to immunity and inflammation in index biopsies. METHODS Gastric biopsies from 10 newly diagnosed patients with CG were evaluated using the NanoString nCounter assay. Gastric biopsies from 14 normal individuals served as controls. The gene expression ratios for CG versus controls were determined in pooled samples and confirmed in individual samples by quantitative reverse transcription polymerase chain reaction. The results were compared with previously reported expression data from a cohort of patients with collagenous colitis, a colonic disorder with similar morphology, including subepithelial collagen band. RESULTS CG biopsies featured enhanced expression of key genes encoding both Th1 (IFNγ, TNF-α, IL-2, IL-10, IL-12A, IL-12B, and IL-18) and Th2 cytokines (IL-3, IL-4, IL-5, IL-6, and IL-13). In contrast, biopsies from patients with CC exhibited upregulated Th1 cytokines only. CONCLUSIONS We show in this first published gene expression profiling study that CG involves simultaneous upregulation of Th1 and Th2 cytokines. This finding is unique, contrasting with other types of chronic gastritis as well as with collagenous colitis, which shares the presence of a collagen band. Involvement of Th2 immunity in CG would support further investigation of potential dietary, environmental, or allergic factors to guide future therapeutic trials.
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Affiliation(s)
- Qingqing Liu
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Yanping Wang
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
- Department of Pathology and Laboratory Medicine, Loyola University Health System, Maywood, Illinois, USA
| | - Noam Harpaz
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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Aspden JW, Murphy MA, Kashlan RD, Xiong Y, Poznansky MC, Sîrbulescu RF. Intruders or protectors - the multifaceted role of B cells in CNS disorders. Front Cell Neurosci 2024; 17:1329823. [PMID: 38269112 PMCID: PMC10806081 DOI: 10.3389/fncel.2023.1329823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Accepted: 12/20/2023] [Indexed: 01/26/2024] Open
Abstract
B lymphocytes are immune cells studied predominantly in the context of peripheral humoral immune responses against pathogens. Evidence has been accumulating in recent years on the diversity of immunomodulatory functions that B cells undertake, with particular relevance for pathologies of the central nervous system (CNS). This review summarizes current knowledge on B cell populations, localization, infiltration mechanisms, and function in the CNS and associated tissues. Acute and chronic neurodegenerative pathologies are examined in order to explore the complex, and sometimes conflicting, effects that B cells can have in each context, with implications for disease progression and treatment outcomes. Additional factors such as aging modulate the proportions and function of B cell subpopulations over time and are also discussed in the context of neuroinflammatory response and disease susceptibility. A better understanding of the multifactorial role of B cell populations in the CNS may ultimately lead to innovative therapeutic strategies for a variety of neurological conditions.
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Affiliation(s)
- James W. Aspden
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Matthew A. Murphy
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Rommi D. Kashlan
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Yueyue Xiong
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Mark C. Poznansky
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
| | - Ruxandra F. Sîrbulescu
- Vaccine and Immunotherapy Center, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
- Department of Neurology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, United States
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Martin-Salgado M, Ochoa-Echeverría A, Mérida I. Diacylglycerol kinases: A look into the future of immunotherapy. Adv Biol Regul 2024; 91:100999. [PMID: 37949728 DOI: 10.1016/j.jbior.2023.100999] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 11/01/2023] [Indexed: 11/12/2023]
Abstract
Cancer still represents the second leading cause of death right after cardiovascular diseases. According to the World Health Organization (WHO), cancer provoked around 10 million deaths in 2020, with lung and colon tumors accounting for the deadliest forms of cancer. As tumor cells become resistant to traditional therapeutic approaches, immunotherapy has emerged as a novel strategy for tumor control. T lymphocytes are key players in immune responses against tumors. Immunosurveillance allows identification, targeting and later killing of cancerous cells. Nevertheless, tumors evolve through different strategies to evade the immune response and spread in a process called metastasis. The ineffectiveness of traditional strategies to control tumor growth and expansion has led to novel approaches considering modulation of T cell activation and effector functions. Program death receptor 1 (PD-1) and cytotoxic T-lymphocyte antigen 4 (CTLA-4) showed promising results in the early 90s and nowadays are still being exploited together with other drugs for several cancer types. Other negative regulators of T cell activation are diacylglycerol kinases (DGKs) a family of enzymes that catalyze the conversion of diacylglycerol (DAG) into phosphatidic acid (PA). In T cells, DGKα and DGKζ limit the PLCγ/Ras/ERK axis thus attenuating DAG mediated signaling and T cell effector functions. Upregulation of either of both isoforms results in impaired Ras activation and anergy induction, whereas germline knockdown mice showed enhanced antitumor properties and more effective immune responses against pathogens. Here we review the mechanisms used by DGKs to ameliorate T cell activation and how inhibition could be used to reinvigorate T cell functions in cancer context. A better knowledge of the molecular mechanisms involved upon T cell activation will help to improve current therapies with DAG promoting agents.
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Affiliation(s)
- Miguel Martin-Salgado
- Department of Immunology and Oncology. National Centre for Biotechnology. Spanish Research Council (CNB-CSIC), Spain
| | - Ane Ochoa-Echeverría
- Department of Immunology and Oncology. National Centre for Biotechnology. Spanish Research Council (CNB-CSIC), Spain
| | - Isabel Mérida
- Department of Immunology and Oncology. National Centre for Biotechnology. Spanish Research Council (CNB-CSIC), Spain.
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Qiu M, Tulufu N, Tang G, Ye W, Qi J, Deng L, Li C. Black Phosphorus Accelerates Bone Regeneration Based on Immunoregulation. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2304824. [PMID: 37953457 PMCID: PMC10767454 DOI: 10.1002/advs.202304824] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2023] [Revised: 09/25/2023] [Indexed: 11/14/2023]
Abstract
A fundamental understanding of inflammation and tissue healing suggests that the precise regulation of the inflammatory phase, both in terms of location and timing, is crucial for bone regeneration. However, achieving the activation of early inflammation without causing chronic inflammation while facilitating quick inflammation regression to promote bone regeneration continues to pose challenges. This study reveals that black phosphorus (BP) accelerates bone regeneration by building an osteogenic immunological microenvironment. BP amplifies the acute pro-inflammatory response and promotes the secretion of anti-inflammatory factors to accelerate inflammation regression and tissue regeneration. Mechanistically, BP creates an osteoimmune-friendly microenvironment by stimulating macrophages to express interleukin 33 (IL-33), amplifying the inflammatory response at an early stage, and promoting the regression of inflammation. In addition, BP-mediated IL-33 expression directly promotes osteogenic differentiation of bone marrow mesenchymal stem cells (BMSCs), which further facilitates bone repair. To the knowledge, this is the first study to reveal the immunomodulatory potential of BP in bone regeneration through the regulation of both early-stage inflammatory responses and later-stage inflammation resolution, along with the associated molecular mechanisms. This discovery serves as a foundation for the clinical use of BP and is an efficient approach for managing the immune microenvironment during bone regeneration.
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Affiliation(s)
- Minglong Qiu
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Nijiati Tulufu
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Guoqing Tang
- Kunshan Hospital of Traditional Chinese MedicineAffiliated Hospital of Yangzhou University388 Zuchongzhi RoadKunshan CityJiangsu Province215300P. R. China
| | - Wenkai Ye
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Jin Qi
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Lianfu Deng
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
| | - Changwei Li
- Department of OrthopaedicsShanghai Key Laboratory for Prevention and Treatment of Bone and Joint DiseasesShanghai Institute of Traumatology and OrthopaedicsRuijin HospitalShanghai Jiao Tong University School of Medicine197 Ruijin 2nd RoadShanghai200025P. R. China
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Calderon-Rico F, Bravo-Patiño A, Mendieta I, Perez-Duran F, Zamora-Aviles AG, Franco-Correa LE, Ortega-Flores R, Hernandez-Morales I, Nuñez-Anita RE. Glycoprotein 5-Derived Peptides Induce a Protective T-Cell Response in Swine against the Porcine Reproductive and Respiratory Syndrome Virus. Viruses 2023; 16:14. [PMID: 38275949 PMCID: PMC10819526 DOI: 10.3390/v16010014] [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: 11/22/2023] [Revised: 12/12/2023] [Accepted: 12/14/2023] [Indexed: 01/27/2024] Open
Abstract
We analyzed the T-cell responses induced by lineal epitopes of glycoprotein 5 (GP5) from PRRSV to explore the role of this protein in the immunological protection mediated by T-cells. The GP5 peptides were conjugated with a carrier protein for primary immunization and booster doses. Twenty-one-day-old pigs were allocated into four groups (seven pigs per group): control (PBS), vehicle (carrier), PTC1, and PTC2. Cytokine levels were measured at 2 days post-immunization (DPI) from serum samples. Cytotoxic T-lymphocytes (CTLs, CD8+) from peripheral blood were quantified via flow cytometry at 42 DPI. The cytotoxicity was evaluated by co-culturing primed lymphocytes with PRRSV derived from an infectious clone. The PTC2 peptide increased the serum concentrations of pro-inflammatory cytokines (i.e., TNF-α, IL-1β, IL-8) and cytokines that activate the adaptive cellular immunity associated with T-lymphocytes (i.e., IL-4, IL-6, IL-10, and IL-12). The concentration of CTLs (CD8+) was significantly higher in groups immunized with the peptides, which suggests a proliferative response in this cell population. Primed CTLs from immunized pigs showed cytolytic activity in PRRSV-infected cells in vitro. PTC1 and PTC2 peptides induced a protective T-cell-mediated response in pigs immunized against PRRSV, due to the presence of T epitopes in their sequences.
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Affiliation(s)
- Fernando Calderon-Rico
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Alejandro Bravo-Patiño
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Irasema Mendieta
- Posgrado en Ciencias Quimico-Biológicas, Facultad de Quimica, Universidad Autonoma de Queretaro, Cerro de las Campanas S/N, Querétaro PC 76010, Mexico;
| | - Francisco Perez-Duran
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Alicia Gabriela Zamora-Aviles
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Luis Enrique Franco-Correa
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Roberto Ortega-Flores
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
| | - Ilane Hernandez-Morales
- Escuela Nacional de Estudios Superiores Unidad Leon, Universidad Nacional Autonoma de Mexico, Blv. UNAM No. 2011, Leon PC 37684, Guanajuato, Mexico;
| | - Rosa Elvira Nuñez-Anita
- Facultad de Medicina Veterinaria y Zootecnia, Universidad Michoacana de San Nicolas de Hidalgo, Km. 9.5 S/N carretera Morelia-Zinapecuaro, La Palma, Tarimbaro PC 58893, Mexico; (F.C.-R.); (A.B.-P.); (F.P.-D.); (A.G.Z.-A.); (L.E.F.-C.); (R.O.-F.)
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Fernandes Fidelis C, Silva de Araújo L, Prates-Patarroyo PA, Martins-Kalks KH, Licursi de Oliveira L, Vargas Viloria MI, Tafur-Gómez GA, Patarroyo Salcedo JH. Immunisation with Neospora caninum subunits rsNcSAG4 and rsNcGRA1 (NcSAG4 and NcGRA1 epitopes construct) in BALB/c mice: the profile of the immune response and controlling the vertical transmission. Parasitol Res 2023; 123:58. [PMID: 38110570 PMCID: PMC10728228 DOI: 10.1007/s00436-023-08020-0] [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: 04/17/2023] [Accepted: 11/21/2023] [Indexed: 12/20/2023]
Abstract
Neospora caninum is an apicomplexan protozoan that causes neosporosis, which has a high economic impact on cattle herds with no available vaccine. During infection, the secretion of dense granules and the expression of surface antigens play an important role in hosting immunomodulation. However, some epitopes of those antigens are immunogenic, and using these fractions could improve the subunit antigens in vaccine design. This study evaluates the recombinant peptides rsNcGRA1 and rsNcSAG4 derived from NcGRA1 and NcSAG4 native antigens as vaccine candidates produced by a fermentative process in the yeast culture system of Komagataella phaffii strain Km71, confirmed by colony PCR, SDS-PAGE, and western blotting. The assay was conducted in BALB/c mice using the peptides at low (25 μg) and standard (50 μg) dosages in monovalent and combined administrations at three time points with saponin as an adjuvant assessing the immunogenicity by antibodies response and cytokine production. We challenge the females after pregnancy confirmation using 2 × 105 NC-1 tachyzoites previously propagated in Vero cells. We assessed the chronic infection in dams and vertical transmission in the offspring by PCR and histopathology. Mice, especially those immunised with combined peptides and monovalent rsNcGRA1 at a standard dose, controlling the chronic infection in dams with the absence of clinical manifestations, showed an immune response with induction of IgG1, a proper balance between Th1/Th2 cytokines and reduced vertical transmission in the pups. In contrast, dams inoculated with a placebo vaccine showed clinical signs, low-scored brain lesions, augmented chronic infection with 80% positivity, 31% mortality in pups, and 81% vertical transmission. These findings indicate that rsNcGRA1 peptides in monovalent and combined with rsNCSAG4 at standard dose are potential vaccine candidates and improve the protective immune response against neosporosis in mice.
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Affiliation(s)
- Cintia Fernandes Fidelis
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Leandro Silva de Araújo
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Pablo A Prates-Patarroyo
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Karlos H Martins-Kalks
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Leandro Licursi de Oliveira
- Laboratório de Imunoquímica e Glicobiologia, Departamento de Biologia Geral, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Marlene Isabel Vargas Viloria
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil
| | - Gabriel A Tafur-Gómez
- Universidad de Ciencias Aplicadas y Ambientales - U.D.C.A, Bogotá, 111166, Colombia.
| | - Joaquín Hernán Patarroyo Salcedo
- Laboratório de Biologia e Controle de Hematozoários e Vetores, Departamento de Veterinária, Instituto de Biotecnologia Aplicada à Agropecuária - BIOAGRO, Universidade Federal de Viçosa - UFV, CEP, Viçosa, MG, 36570-900, Brazil.
- Patsos Biotecnologia, Parque tecnológico de Viçosa, CEP, Viçosa, MG, 36570-900, Brazil.
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11
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Zuurveld M, Diks MAP, Kiliaan PCJ, Garssen J, Folkerts G, van’t Land B, Willemsen LEM. Butyrate interacts with the effects of 2'FL and 3FL to modulate in vitro ovalbumin-induced immune activation, and 2'FL lowers mucosal mast cell activation in a preclinical model for hen's egg allergy. Front Nutr 2023; 10:1305833. [PMID: 38174112 PMCID: PMC10762782 DOI: 10.3389/fnut.2023.1305833] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/15/2023] [Indexed: 01/05/2024] Open
Abstract
Background Early life provides a window of opportunity to prevent allergic diseases. With a prevalence of 0.5-2% in infants, hen's egg allergy is one of the most common food allergies. The immunomodulatory effects of human milk oligosaccharides (HMOs), 2'-fucosyllactose (2'FL), and 3-fucosyllactose (3FL) were studied in an in vitro mucosal immune model and an in vivo murine model for hen's egg (ovalbumin) allergy. Methods Intestinal epithelial cell (IEC)/dendritic cell (DC) and DC/T cell cocultures were used to expose IECs to ovalbumin (OVA) in an in vitro mucosal immune model. The effects of epithelial pre-incubation with 0.1% 2'FL or 3FL and/or 0.5 mM butyrate were studied. Three- to four-weeks-old female C3H/HeOuJ mice were fed AIN93G diets containing 0.1-0.5% 2'FL or 3FL 2 weeks before and during OVA sensitization and challenge. Allergic symptoms and systemic and local immune parameters were assessed. Results Exposing IECs to butyrate in vitro left the IEC/DC/T cell cross-talk unaffected, while 2'FL and 3FL showed differential immunomodulatory effects. In 3FL exposed IEC-DC-T cells, the secretion of IFNγ and IL10 was enhanced. This was observed upon pre-incubation of IECs with 2'FL and butyrate as well, but not 2'FL alone. The presence of butyrate did not affect OVA activation, but when combined with 3FL, an increase in IL6 release from DCs was observed (p < 0.001). OVA allergic mice receiving 0.5% 3FL diet had a lower %Th2 cells in MLNs, but the humoral response was unaltered compared to control mice. OVA-allergic mice receiving 0.1 or 0.5% 2'FL diets had lower serum levels of OVA-IgG2a (p < 0.05) or the mast cell marker mMCP1, in association with increased concentration of cecal short-chain fatty acids (SCFAs) (p < 0.05). Conclusion In vitro butyrate exposure promotes the development of a downstream type 1 and regulatory response observed after 2'FL exposure. 2'FL and 3FL differentially modulate ovalbumin-induced mucosal inflammation predominantly independent of butyrate. Mice receiving dietary 3FL during ovalbumin sensitization and challenge had lowered Th2 activation while the frequency of Treg cells was enhanced. By contrast, 2'FL improved the humoral immune response and suppressed mast cell activation in association with increased SCFAs production in the murine model for hen's egg allergy.
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Affiliation(s)
- M. Zuurveld
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - M. A. P. Diks
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - P. C. J. Kiliaan
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - J. Garssen
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
- Danone Nutricia Research B.V, Utrecht, Netherlands
| | - G. Folkerts
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - B. van’t Land
- Danone Nutricia Research B.V, Utrecht, Netherlands
- Center for Translational Immunology, University Medical Center Utrecht, Utrecht, Netherlands
| | - L. E. M. Willemsen
- Division of Pharmacology, Faculty of Science, Utrecht Institute for Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
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12
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Lin Y, Wu Y, Ma F, Shan C, Ma J, Li W, Pan H, Miao X, Liu J, Wang X, Ni Z. Exploration of the mechanism of Qi-Xian decoction in asthmatic mice using metabolomics combined with network pharmacology. Front Mol Biosci 2023; 10:1263962. [PMID: 38155957 PMCID: PMC10753777 DOI: 10.3389/fmolb.2023.1263962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/27/2023] [Indexed: 12/30/2023] Open
Abstract
Introduction: Qi-Xian Decoction (QXD), a traditional Chinese medicine (TCM) formula consisting of eight herbs, has been clinically used to treat asthma. However, the underlying mechanisms have not been completely elucidated. This study aimed to combine metabolomics and network pharmacology to reveal the mechanism of action of QXD in asthma treatment. Methods: An ovalbumin (OVA)-induced asthma mouse model was constructed to evaluate the therapeutic effects of QXD. Serum metabolomics and network pharmacology were combined to study the mechanism of anti-asthma action as well as the potential target, and related biological functions were validated. Results: The QXD treatment has demonstrated significant protective effects in OVA-induced asthmatic mice, as evidenced by its ability to inhibit inflammation, IgE, mucus overproduction, and airway hyperreactivity (AHR). Metabolomic analysis has revealed a total of 140 differential metabolites associated with QXD treatment. In addition, network pharmacology has identified 126 genes that are linked to the effects of QXD, including TNF, IL-6, IL1β, STAT3, MMP9, EGFR, JUN, CCL2, TLR4, MAPK3 and MAPK8. Through comprehensive gene-metabolite interaction network analysis, seven key metabolites have been identified and associated with the potential anti-asthmatic effect of QXD, with palmitic acid (PA) being the most notable among them. In vitro validation studies have confirmed the gene-metabolite interaction involving PA, IL-6, and MAPK8. Furthermore, our research has demonstrated that QXD treatment can effectively inhibit PA-promoted IL-6 expression in MH-S cells and reduce PA concentration in OVA-induced asthmatic mice. Conclusion: The regulation of metabolic pathways by QXD was found to be associated with its anti-asthmatic action, which provides insight into the mechanism of QXD in treating asthma.
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Affiliation(s)
- Yuhua Lin
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Yue Wu
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Fuqi Ma
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Cuiting Shan
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jialu Ma
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Wenguan Li
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Huayang Pan
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiayi Miao
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Jinjin Liu
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiongbiao Wang
- Department of Respiratory Medicine, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Zhenhua Ni
- Central Lab, Putuo Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
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13
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Pochert N, Schneider M, Köpke MB, Wild M, Mattmer A, Sagasser J, Golas MM, Banys-Paluchowski M, Metz A, Hinske C, Reiger M, Jeschke U, Dannecker C, Neumann A, Traidl-Hoffmann C, Untch M, Kühn T, Ditsch N. Th2/Th17 cell associated cytokines found in seroma fluids after breast cancer surgery. Arch Gynecol Obstet 2023; 308:1621-1627. [PMID: 37243864 PMCID: PMC10520137 DOI: 10.1007/s00404-023-07074-w] [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: 03/29/2023] [Accepted: 05/04/2023] [Indexed: 05/29/2023]
Abstract
PURPOSE The development of a seroma after breast cancer surgery is a common postoperative complication seen after simple mastectomy and axillary surgery. We could recently demonstrate that breast cancer patients undergoing a simple mastectomy with subsequent seroma formation developed a T-helper cell increase within the aspirated fluid measured by flow cytometry. The same study revealed a Th2 and/or a Th17 immune response in peripheral blood and seroma fluid of the same patient. Based on these results and within the same study population, we now analyzed the Th2/Th17 cell associated cytokine content as well as the best known clinical important cytokine IL-6. METHODS Multiplex cytokine measurements (IL-4, IL-5, IL-13, IL-10, IL-17, and IL-22) were done on 34 seroma fluids (Sf) after fine needle aspiration of patients who developed a seroma after a simple mastectomy. Serum of the same patient (Sp) and that of healthy volunteers (Sc) were used as controls. RESULTS We found the Sf to be highly cytokine rich. Almost all analyzed cytokines were significantly higher in abundance in the Sf compared to Sp and Sc, especially IL-6, which promotes Th17 differentiation as well as suppresses Th1 differentiation in favor of Th2 development. CONCLUSION Our Sf cytokine measurements reflect a local immune event. In contrast, former study results on T-helper cell populations in both Sf and Sp tend to demonstrate a systemic immune process.
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Affiliation(s)
- Nicole Pochert
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Mariella Schneider
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - Melitta B Köpke
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - Mathis Wild
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
- Department of Data Management and Clinical Decision Support, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Angelika Mattmer
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - Jacqueline Sagasser
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - Monika M Golas
- Human Genetics, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Maggie Banys-Paluchowski
- Department of Obstetrics and Gynecology, University Hospital Schleswig-Holstein, Campus Lübeck, Lübeck, Germany
| | - Aline Metz
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Christian Hinske
- Department of Data Management and Clinical Decision Support, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Matthias Reiger
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | - Udo Jeschke
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany.
| | - Christian Dannecker
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
| | - Avidan Neumann
- Environmental Medicine, Faculty of Medicine, University of Augsburg, Augsburg, Germany
| | | | - Michael Untch
- Department of Obstetrics and Gynecology, Helios Klinikum Berlin-Buch, Berlin, Germany
| | - Thorsten Kühn
- Department of Obstetrics and Gynecology, Die Filderklinik, Filderstadt, Germany
| | - Nina Ditsch
- Department of Obstetrics and Gynecology, University Hospital Augsburg, Augsburg, Germany
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14
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Ciryam P, Gerzanich V, Simard JM. Interleukin-6 in Traumatic Brain Injury: A Janus-Faced Player in Damage and Repair. J Neurotrauma 2023; 40:2249-2269. [PMID: 37166354 PMCID: PMC10649197 DOI: 10.1089/neu.2023.0135] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023] Open
Abstract
Traumatic brain injury (TBI) is a common and often devastating illness, with wide-ranging public health implications. In addition to the primary injury, victims of TBI are at risk for secondary neurological injury by numerous mechanisms. Current treatments are limited and do not target the profound immune response associated with injury. This immune response reflects a convergence of peripheral and central nervous system-resident immune cells whose interaction is mediated in part by a disruption in the blood-brain barrier (BBB). The diverse family of cytokines helps to govern this communication and among these, Interleukin (IL)-6 is a notable player in the immune response to acute neurological injury. It is also a well-established pharmacological target in a variety of other disease contexts. In TBI, elevated IL-6 levels are associated with worse outcomes, but the role of IL-6 in response to injury is double-edged. IL-6 promotes neurogenesis and wound healing in animal models of TBI, but it may also contribute to disruptions in the BBB and the progression of cerebral edema. Here, we review IL-6 biology in the context of TBI, with an eye to clarifying its controversial role and understanding its potential as a target for modulating the immune response in this disease.
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Affiliation(s)
- Prajwal Ciryam
- Shock Trauma Neurocritical Care, Program in Trauma, R Adams Cowley Shock Trauma Center, University of Maryland Medical System, Baltimore, Maryland, USA
- Department of Neurology, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Volodymyr Gerzanich
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - J. Marc Simard
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Department of Physiology, University of Maryland School of Medicine, Baltimore, Maryland, USA
- Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, USA
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15
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Toney NJ, Schlom J, Donahue RN. Phosphoflow cytometry to assess cytokine signaling pathways in peripheral immune cells: potential for inferring immune cell function and treatment response in patients with solid tumors. J Exp Clin Cancer Res 2023; 42:247. [PMID: 37741983 PMCID: PMC10517546 DOI: 10.1186/s13046-023-02802-1] [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: 06/07/2023] [Accepted: 08/17/2023] [Indexed: 09/25/2023] Open
Abstract
Tumor biopsy is often not available or difficult to obtain in patients with solid tumors. Investigation of the peripheral immune system allows for in-depth and dynamic profiling of patient immune response prior to and over the course of treatment and disease. Phosphoflow cytometry is a flow cytometry‒based method to detect levels of phosphorylated proteins in single cells. This method can be applied to peripheral immune cells to determine responsiveness of signaling pathways in specific immune subsets to cytokine stimulation, improving on simply defining numbers of populations of cells based on cell surface markers. Here, we review studies using phosphoflow cytometry to (a) investigate signaling pathways in cancer patients' peripheral immune cells compared with healthy donors, (b) compare immune cell function in peripheral immune cells with the tumor microenvironment, (c) determine the effects of agents on the immune system, and (d) predict cancer patient response to treatment and outcome. In addition, we explore the use and potential of phosphoflow cytometry in preclinical cancer models. We believe this review is the first to provide a comprehensive summary of how phosphoflow cytometry can be applied in the field of cancer immunology, and demonstrates that this approach holds promise in exploring the mechanisms of response or resistance to immunotherapy both prior to and during the course of treatment. Additionally, it can help identify potential therapeutic avenues that can restore normal immune cell function and improve cancer patient outcome.
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Affiliation(s)
- Nicole J Toney
- Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jeffrey Schlom
- Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Renee N Donahue
- Center for Immuno-Oncology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
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16
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Bachus H, McLaughlin E, Lewis C, Papillion AM, Benveniste EN, Hill DD, Rosenberg AF, Ballesteros-Tato A, León B. IL-6 prevents Th2 cell polarization by promoting SOCS3-dependent suppression of IL-2 signaling. Cell Mol Immunol 2023; 20:651-665. [PMID: 37046042 PMCID: PMC10229632 DOI: 10.1038/s41423-023-01012-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 03/23/2023] [Indexed: 04/14/2023] Open
Abstract
Defective interleukin-6 (IL-6) signaling has been associated with Th2 bias and elevated IgE levels. However, the underlying mechanism by which IL-6 prevents the development of Th2-driven diseases remains unknown. Using a model of house dust mite (HDM)-induced Th2 cell differentiation and allergic airway inflammation, we showed that IL-6 signaling in allergen-specific T cells was required to prevent Th2 cell differentiation and the subsequent IgE response and allergic inflammation. Th2 cell lineage commitment required strong sustained IL-2 signaling. We found that IL-6 turned off IL-2 signaling during early T-cell activation and thus inhibited Th2 priming. Mechanistically, IL-6-driven inhibition of IL-2 signaling in responding T cells was mediated by upregulation of Suppressor Of Cytokine Signaling 3 (SOCS3). This mechanism could be mimicked by pharmacological Janus Kinase-1 (JAK1) inhibition. Collectively, our results identify an unrecognized mechanism that prevents the development of unwanted Th2 cell responses and associated diseases and outline potential preventive interventions.
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Affiliation(s)
- Holly Bachus
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Erin McLaughlin
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Crystal Lewis
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Amber M Papillion
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
- Alexion Pharmaceuticals, Inc., New Haven, CT, USA
| | - Etty N Benveniste
- Department of Cell, Developmental and Integrative Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Dave Durell Hill
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Alexander F Rosenberg
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA
- Informatics Institute, University of Alabama at Birmingham, Birmingham, AL, USA
| | - André Ballesteros-Tato
- Department of Medicine, Division of Clinical Immunology and Rheumatology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Beatriz León
- Department of Microbiology, University of Alabama at Birmingham, Birmingham, AL, USA.
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17
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Alhamwe BA, Gao Z, Alhamdan F, Harb H, Pichene M, Garnier A, Andari JE, Kaufmann A, Graumann PL, Kesper D, Daviaud C, Garn H, Tost J, Potaczek DP, Blaser MJ, Renz H. Intranasal administration of Acinetobacter lwoffii in a murine model of asthma induces IL-6-mediated protection associated with cecal microbiota changes. Allergy 2023; 78:1245-1257. [PMID: 36458896 PMCID: PMC10160012 DOI: 10.1111/all.15606] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 09/30/2022] [Accepted: 10/13/2022] [Indexed: 12/05/2022]
Abstract
BACKGROUND Early-life exposure to certain environmental bacteria including Acinetobacter lwoffii (AL) has been implicated in protection from chronic inflammatory diseases including asthma later in life. However, the underlying mechanisms at the immune-microbe interface remain largely unknown. METHODS The effects of repeated intranasal AL exposure on local and systemic innate immune responses were investigated in wild-type and Il6-/- , Il10-/- , and Il17-/- mice exposed to ovalbumin-induced allergic airway inflammation. Those investigations were expanded by microbiome analyses. To assess for AL-associated changes in gene expression, the picture arising from animal data was supplemented by in vitro experiments of macrophage and T-cell responses, yielding expression and epigenetic data. RESULTS The asthma preventive effect of AL was confirmed in the lung. Repeated intranasal AL administration triggered a proinflammatory immune response particularly characterized by elevated levels of IL-6, and consequently, IL-6 induced IL-10 production in CD4+ T-cells. Both IL-6 and IL-10, but not IL-17, were required for asthma protection. AL had a profound impact on the gene regulatory landscape of CD4+ T-cells which could be largely recapitulated by recombinant IL-6. AL administration also induced marked changes in the gastrointestinal microbiome but not in the lung microbiome. By comparing the effects on the microbiota according to mouse genotype and AL-treatment status, we have identified microbial taxa that were associated with either disease protection or activity. CONCLUSION These experiments provide a novel mechanism of Acinetobacter lwoffii-induced asthma protection operating through IL-6-mediated epigenetic activation of IL-10 production and with associated effects on the intestinal microbiome.
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Affiliation(s)
- Bilal Alashkar Alhamwe
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
- Institute for Tumor Immunology, Clinic for Hematology, Oncology and Immunology, Center for Tumor Biology, and Immunology (ZTI), Philipps University Marburg, Marburg, Germany
- College of Pharmacy, International University for Science and Technology (IUST), Daraa 15, Syria
| | - Zhan Gao
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ
| | - Fahd Alhamdan
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
- Department of Medicine, Pulmonary and Critical Care Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
| | - Hani Harb
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
- Institute for Medical Microbiology and Virology, Technical University Dresden, Dresden, Germany
- Psychoneuroimmunology Laboratory, Department of Psychosomatic Medicine and Psychotherapy, Justus-Liebig University Giessen, Giessen, Germany
| | - Matthieu Pichene
- The Laboratory for Epigenetics and Environment, Centre National de Recherche en Genomique Humaine, CEA–Institut de Biologie Francois Jacob, Université Paris-Saclay, Evry, France
| | - Abel Garnier
- The Laboratory for Epigenetics and Environment, Centre National de Recherche en Genomique Humaine, CEA–Institut de Biologie Francois Jacob, Université Paris-Saclay, Evry, France
| | - Jihad El Andari
- SYNMIKRO, LOEWE Center for Synthetic Microbiology and Department of Chemistry, Philipps-University Marburg, Marburg, Germany
| | - Andreas Kaufmann
- Institute for Immunology, Philipps-University Marburg, Marburg, Germany
| | - Peter L. Graumann
- SYNMIKRO, LOEWE Center for Synthetic Microbiology and Department of Chemistry, Philipps-University Marburg, Marburg, Germany
| | - Dörthe Kesper
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
| | - Christian Daviaud
- The Laboratory for Epigenetics and Environment, Centre National de Recherche en Genomique Humaine, CEA–Institut de Biologie Francois Jacob, Université Paris-Saclay, Evry, France
| | - Holger Garn
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
| | - Jörg Tost
- The Laboratory for Epigenetics and Environment, Centre National de Recherche en Genomique Humaine, CEA–Institut de Biologie Francois Jacob, Université Paris-Saclay, Evry, France
| | - Daniel P. Potaczek
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
- Translational Inflammation Research Division & Core Facility for Single Cell Multiomics, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
- Bioscientia MVZ Labor Mittelhessen GmbH, Gießen, Germany
| | - Martin J. Blaser
- Center for Advanced Biotechnology and Medicine, Rutgers University, Piscataway, NJ
| | - Harald Renz
- Institute of Laboratory Medicine, member of the German Center for Lung Research (DZL) and the Universities of Giessen and Marburg Lung Center (UGMLC), Philipps-University Marburg, Marburg, Germany
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Ware MB, Phillips M, McQuinn C, Zaidi MY, Knochelmann HM, Greene E, Robinson B, Herting CJ, Mace TA, Chen Z, Zhang C, Farren MR, Ruggieri AN, Bowers JS, Shakya R, Farris AB, Young G, Carson WE, El-Rayes B, Paulos CM, Lesinski GB. Dual IL-6 and CTLA-4 blockade regresses pancreatic tumors in a T cell- and CXCR3-dependent manner. JCI Insight 2023; 8:e155006. [PMID: 36881480 PMCID: PMC10243806 DOI: 10.1172/jci.insight.155006] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
This study aimed to enhance antitumor immune responses to pancreatic cancer via Ab-based blockade of IL-6 and cytotoxic T-lymphocyte-associated protein 4 (CTLA-4). Mice bearing s.c. or orthotopic pancreatic tumors were treated with blocking Abs to IL‑6 and/or CTLA-4. In both tumor models, dual IL-6 and CTLA-4 blockade significantly inhibited tumor growth. Additional investigations revealed that dual therapy induced an overwhelming infiltration of T cells into the tumor as well as changes in CD4+ T cell subsets. Dual blockade therapy elicited CD4+ T cells to secrete increased IFN-γ in vitro. Likewise, in vitro stimulation of pancreatic tumor cells with IFN-γ profoundly increased tumor cell production of CXCR3-specific chemokines, even in the presence of IL-6. In vivo blockade of CXCR3 prevented orthotopic tumor regression in the presence of the combination treatment, demonstrating a dependence on the CXCR3 axis for antitumor efficacy. Both CD4+ and CD8+ T cells were required for the antitumor activity of this combination therapy, as their in vivo depletion via Abs impaired outcomes. These data represent the first report to our knowledge of IL-6 and CTLA‑4 blockade as a means to regress pancreatic tumors with defined operative mechanisms of efficacy.
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Affiliation(s)
- Michael Brandon Ware
- Department of Hematology and Medical Oncology
- Department of Surgery, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA
| | | | - Christopher McQuinn
- Division of Surgical Oncology, Department of Surgery, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Mohammad Y. Zaidi
- Department of Surgery, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA
| | - Hannah M. Knochelmann
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Columbia, South Carolina, USA
| | | | - Brian Robinson
- Department of Pathology, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA
| | | | - Thomas A. Mace
- Division of Gastroenterology Hepatology and Nutrition, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | - Zhengjia Chen
- Department of Biostatistics, Emory University, Atlanta, Georgia, USA
| | - Chao Zhang
- Department of Biostatistics, Emory University, Atlanta, Georgia, USA
| | | | | | - Jacob S. Bowers
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Columbia, South Carolina, USA
| | | | - Alton B. Farris
- Department of Pathology, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA
| | - Gregory Young
- Center for Biostatistics, The Ohio State University, Columbus, Ohio, USA
| | - William E. Carson
- Division of Surgical Oncology, Department of Surgery, Department of Internal Medicine, The Ohio State University, Columbus, Ohio, USA
| | | | - Chrystal M. Paulos
- Department of Surgery, Winship Cancer Institute of Emory University, Atlanta, Georgia, USA
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19
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Arora S, Tagde P, Alam S, Akram W, Naved T, Gupta S. Influence of toll-like receptor-4 antagonist on bacterial load of asthma in Swiss albino mice: targeting TLR4/MD2 complex pathway. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:32854-32865. [PMID: 36472742 DOI: 10.1007/s11356-022-24521-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 11/27/2022] [Indexed: 06/17/2023]
Abstract
Air pollution and environmental issues significantly impact life, resulting in the emergence and exacerbation of allergic asthma and other chronic respiratory infections. The main objective of this study is to suppress allergic asthma by TAK-242 from lipopolysaccharide-induced airway inflammation primarily stimulating toll-like receptor-4, and also to determine the potential mechanism of asthma eradication. The TAK-242 anti-allergic action was assured through the ovalbumin murine model of asthma via bronchial hyperresponsiveness and inflammation of the respiration tract in a pre-existing allergic inflammation paradigm. Swiss albino mice were sensitized and then challenged by ovalbumin and lipopolysaccharide for 5 days straight. TAK-242 reaction was assessed by inflammatory cytokines, and inflammatory cell count was determined from blood serum and bronchoalveolar lavage fluid, as well as group-wise regular weight assessments. After ovalbumin, lipopolysaccharide infusion, toll-like receptor-4 agonists caused a substantial increase in airway hyperresponsiveness, specific cellular inflammation, histological alterations, and immune mediator synthesis, as well as dose-related body-weight variations. A decrease in lipopolysaccharide-induced leukocyte count and Th1/Th17 related cytokines, TNF-α, and IL-6 expression through the ELISA study was particularly noticeable. Finally in treated groups, TAK-242, a TLR4/MD2 complex inhibitor, reduced airway inflammation and histopathological changes, cytokine expression, and body-weight management. TAK-242 has been found in an ovalbumin allergic asthma model to be a potential inhibitor of lipopolysaccharide-induced respiratory infection.
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Affiliation(s)
- Swamita Arora
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India
| | - Priti Tagde
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India.
| | - Sanjar Alam
- R.V. Northland Institute of Pharmacy, Gautam Buddh Nagar, Ghaziabad, U.P. 203207, India
| | - Wasim Akram
- R.V. Northland Institute of Pharmacy, Gautam Buddh Nagar, Ghaziabad, U.P. 203207, India
| | - Tanveer Naved
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India
| | - Sangeetha Gupta
- Amity Institute of Pharmacy, Amity University, Noida, U.P. 201303, India.
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20
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Molecular Mechanisms Behind the Role of Plasmacytoid Dendritic Cells in Systemic Sclerosis. BIOLOGY 2023; 12:biology12020285. [PMID: 36829561 PMCID: PMC9953616 DOI: 10.3390/biology12020285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 02/04/2023] [Accepted: 02/07/2023] [Indexed: 02/15/2023]
Abstract
Systemic sclerosis (SSc) is a debilitating autoimmune disease that affects multiple systems. It is characterized by immunological deregulation, functional and structural abnormalities of small blood vessels, and fibrosis of the skin, and, in some cases, internal organs. Fibrosis has a devastating impact on a patient's life and lung fibrosis is associated with high morbimortality. Several immune populations contribute to the progression of SSc, and plasmacytoid dendritic cells (pDCs) have been identified as crucial mediators of fibrosis. Research on murine models of lung and skin fibrosis has shown that pDCs are essential in the development of fibrosis, and that removing pDCs improves fibrosis. pDCs are a subset of dendritic cells (DCs) that are specialized in anti-viral responses and are also involved in autoimmune diseases, such as SSc, systemic lupus erythematosus (SLE) and psoriasis, mostly due to their capacity to produce type I interferon (IFN). A type I IFN signature and high levels of CXCL4, both derived from pDCs, have been associated with poor prognosis in patients with SSc and are correlated with fibrosis. This review will examine the recent research on the molecular mechanisms through which pDCs impact SSc.
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21
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Zhao Q, Dai H, Hu Y, Jiang H, Feng Z, Liu W, Dong Z, Tang X, Hou F, Rui H, Liu B. Cytokines network in primary membranous nephropathy. Int Immunopharmacol 2022; 113:109412. [DOI: 10.1016/j.intimp.2022.109412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/24/2022] [Accepted: 10/30/2022] [Indexed: 11/09/2022]
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22
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DeVore SB, Khurana Hershey GK. The role of the CBM complex in allergic inflammation and disease. J Allergy Clin Immunol 2022; 150:1011-1030. [PMID: 35981904 PMCID: PMC9643607 DOI: 10.1016/j.jaci.2022.06.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 06/30/2022] [Indexed: 10/15/2022]
Abstract
The caspase activation and recruitment domain-coiled-coil (CARD-CC) family of proteins-CARD9, CARD10, CARD11, and CARD14-is collectively expressed across nearly all tissues of the body and is a crucial mediator of immunologic signaling as part of the CARD-B-cell lymphoma/leukemia 10-mucosa-associated lymphoid tissue lymphoma translocation protein 1 (CBM) complex. Dysfunction or dysregulation of CBM proteins has been linked to numerous clinical manifestations known as "CBM-opathies." The CBM-opathy spectrum encompasses diseases ranging from mucocutaneous fungal infections and psoriasis to combined immunodeficiency and lymphoproliferative diseases; however, there is accumulating evidence that the CARD-CC family members also contribute to the pathogenesis and progression of allergic inflammation and allergic diseases. Here, we review the 4 CARD-CC paralogs, as well as B-cell lymphoma/leukemia 10 and mucosa-associated lymphoid tissue lymphoma translocation protein 1, and their individual and collective roles in the pathogenesis and progression of allergic inflammation and 4 major allergic diseases (allergic asthma, atopic dermatitis, food allergy, and allergic rhinitis).
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Affiliation(s)
- Stanley B DeVore
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Cincinnati, Ohio
| | - Gurjit K Khurana Hershey
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, Ohio; Division of Asthma Research, Cincinnati Children's Hospital Medical Center, Cincinnati, Cincinnati, Ohio.
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23
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Ngoi S, Yang Y, Iwanowycz S, Gutierrez J, Li Y, Williams C, Hill M, Chung D, Allen C, Liu B. Migrating Type 2 Dendritic Cells Prime Mucosal Th17 Cells Specific to Small Intestinal Commensal Bacteria. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2022; 209:1200-1211. [PMID: 35995508 PMCID: PMC9492644 DOI: 10.4049/jimmunol.2200204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 07/12/2022] [Indexed: 01/04/2023]
Abstract
Dendritic cells (DCs) are professional APCs equipped with MHC-restricted Ags, costimulations, and cytokines that effectively prime and differentiate naive T cells into distinct functional subsets. The immune signals that DCs carry reflect the route of Ag uptake and the innate stimuli they received. In the mucosal tissues, owing to the great variety of foreign Ags and inflammatory cues, DCs are predominantly activated and migratory. In the small intestine, CD4 Th17 cells are abundant and have been shown to be regulated by DCs and macrophages. Using a mouse commensal bacteria experimental model, we identified that the early priming step of commensal-driven Th17 cells is controlled by bona fide Zbtb46-expressing DCs. CCR7-dependent migration of type 2 DCs (DC2s) from the small intestine to the mesenteric lymph nodes (MLNs) is essential for the activation of naive CD4 T cells. The migratory DC2 population in the MLNs is almost exclusively Esam+ cells. Single-cell RNA sequencing highlighted the abundance of costimulatory markers (CD40 and OX40) and chemokines (Ccl22 and Cxcl16) on MLN migratory DCs. Further resolution of MLN migratory DC2s revealed that the Th17-polarizing cytokine IL-6 colocalizes with DC2s expressing CD40, Ccl17, and Ccl22. Thus, early Th17 cell differentiation is initiated by a small subset of migratory DC2s in the gut-draining lymph nodes.
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Affiliation(s)
- Soo Ngoi
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
| | - Yi Yang
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Stephen Iwanowycz
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Jennifer Gutierrez
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Yingqi Li
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Christina Williams
- Department of Microbiology and Immunology, Hollings Cancer Center, Medical University of South Carolina, Charleston, SC
| | - Megan Hill
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
| | - Dongjun Chung
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
| | - Carter Allen
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
| | - Bei Liu
- Division of Hematology, Department of Internal Medicine, The Ohio State University, Columbus, OH; and
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24
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Critical Players and Therapeutic Targets in Chronic Itch. Int J Mol Sci 2022; 23:ijms23179935. [PMID: 36077340 PMCID: PMC9456029 DOI: 10.3390/ijms23179935] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/28/2022] [Accepted: 08/29/2022] [Indexed: 12/04/2022] Open
Abstract
Chronic itch is one of the most prominent clinical characteristics of diverse systematic diseases. It is a devastating sensation in pathological diseases. Despite its importance, there are no FDA-labelled drugs specifically geared toward chronic itch. The associated complex pathogenesis and diverse causes escalate chronic itch to being one of the top challenges in healthcare. Humanized antibodies against IL-13, IL-4, and IL-31 proved effective in treatment of itch-associated atopic dermatitis but remain to be validated in chronic itch. There are still no satisfactory anti-itch therapeutics available toward itch-related neuropeptides including GRP, BNP, SST, CGRP, and SP. The newly identified potential itch targets including OSM, NMB, glutamate, periostin, and Serpin E1 have opened new avenues for therapeutic development. Proof-of-principle studies have been successfully performed on antagonists against these proteins and their receptors in itch treatment in animal models. Their translational interventions in humans need to be evaluated. It is of great importance to summarize and compare the newly emerging knowledge on chronic itch and its pathways to promote the development of novel anti-itch therapeutics. The goal of this review is to analyze the different physiologies and pathophysiologies of itch mediators, whilst assessing their suitability as new targets and discussing future therapeutic development.
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25
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Mao XC, Yang CC, Yang YF, Yan LJ, Ding ZN, Liu H, Yan YC, Dong ZR, Wang DX, Li T. Peripheral cytokine levels as novel predictors of survival in cancer patients treated with immune checkpoint inhibitors: A systematic review and meta-analysis. Front Immunol 2022; 13:884592. [PMID: 36072577 PMCID: PMC9441870 DOI: 10.3389/fimmu.2022.884592] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 07/28/2022] [Indexed: 11/29/2022] Open
Abstract
Background Early identification of patients who will benefit from immune checkpoint inhibitors (ICIs) has recently become a hot issue in cancer immunotherapy. Peripheral cytokines are key regulators in the immune system that can induce the expression of immune checkpoint molecules; however, the association between peripheral cytokines and the efficiency of ICIs remains unclear. Methods A systematic review was conducted in several public databases from inception through 3 February 2022 to identify studies investigating the association between peripheral cytokines (i.e., IL-1β, IL-2, IL-2RA, IL-2R, IL-4, IL-5, IL-6, IL-8, IL-10, IL-12, IL-15, IL-17, TNF-α, IFN-γ, and TGF-β) and ICI treatment. Survival data, including overall survival (OS) and/or progression-free survival (PFS), were extracted, and meta-analyses were performed. Results Twenty-four studies were included in this analysis. The pooled results demonstrated that the pretreatment peripheral levels of IL-6 (univariate analysis: HR = 2.53, 95% CI = 2.21–2.89, p < 0.00001; multivariate analysis: HR = 2.21, 95% CI = 1.67–2.93, p < 0.00001) and IL-8 (univariate analysis: HR = 2.17, 95% CI = 1.98–2.38, p < 0.00001; multivariate analysis: HR = 1.88, 95% CI= 1.70–2.07, p < 0.00001) were significantly associated with worse OS of cancer patients receiving ICI treatment in both univariate and multivariate analysis. However, high heterogeneity was found for IL-6, which might be attributed to region, cancer type, treatment method, sample source, and detection method. Conclusion The peripheral level of IL-8 may be used as a prognostic marker to identify patients with inferior response to ICIs. More high-quality prospective studies are warranted to assess the predictive value of peripheral cytokines for ICI treatment.
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Affiliation(s)
- Xin-Cheng Mao
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Chun-Cheng Yang
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Ya-Fei Yang
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Lun-Jie Yan
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Zi-Niu Ding
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Hui Liu
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Yu-Chuan Yan
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Zhao-Ru Dong
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Dong-Xu Wang
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
| | - Tao Li
- Department of General Surgery, Qilu Hospital, Shandong University, Jinan, China
- Department of Hepatobiliary Surgery, The Second Hospital of Shandong University, Jinan, China
- *Correspondence: Tao Li,
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26
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Doğan HO, Şenol O, Karadağ A, Yıldız SN. Metabolomic profiling in ankylosing spondylitis using time-of-flight mass spectrometry. Clin Nutr ESPEN 2022; 50:124-132. [PMID: 35871913 DOI: 10.1016/j.clnesp.2022.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 04/19/2022] [Accepted: 06/15/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND & AIMS Ankylosing spondylitis (AS) is an inflammatory disease associated with destructive changes in the skeleton and joints. The exact molecular mechanism of the disease has not been fully elucidated. This study aimed to determine metabolic differences between active AS patients and healthy controls to understand the molecular mechanism of AS. PATIENTS AND METHODS The study included 38 subjects, comprising 18 patients with active AS and 20 healthy controls. Metabolic profiling of the plasma was performed using ultra-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry (UPLC Q-TOF/MS). Data acquisition, classification, and identification were achieved with the METLIN (https://metlin.scripps.edu/) database and XCMS (https://xcmsonline.scripps.edu). RESULTS Significant alterations were identified in the unsaturated fatty acids (FA), linoleic acid, alpha-linolenic acid, FA degradation, and FA biosynthesis pathways. Down -regulations were observed in phosphatidylcholine (PC) (16:0/0:0), beta-d-Fructose, stearic acid, trimipramine N-Oxide and muconic acid, and up-regulation were detected in PC (18:2/0:0), 3-Methylindole, palmitic acid (PA), alpha-Tocotrienol, and beta-d-glucopyranoside in active AS patients compared to the healthy control subjects. CONCLUSION Pathway analysis revealed that dysregulation in FA metabolism is associated with AS, and therefore, modulation of diet according to PA and PC may be potential therapeutic targets.
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Affiliation(s)
- Halef Okan Doğan
- Department of Biochemistry, School of Medicine, University of Sivas Cumhuriyet, Sivas, Turkey.
| | - Onur Şenol
- Department of Analytical Chemistry, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Ahmet Karadağ
- Department of Pyhsical Medicine and Rehabilitation, School of Medicine, University of Sivas Cumhuriyet, Sivas, Turkey
| | - Seyma Nur Yıldız
- İzmir International Biomedicine and Genome Institute, Dokuz Eylül University, İzmir, Turkey
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27
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Wong LS, Yen YT. Autoimmune Connective Tissue Diseases-Related Pruritus: Proper Diagnosis and Possible Mechanisms. Diagnostics (Basel) 2022; 12:diagnostics12071772. [PMID: 35885674 PMCID: PMC9317505 DOI: 10.3390/diagnostics12071772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/05/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022] Open
Abstract
Pruritus is a well-known bothersome symptom among skin disorders, especially inflammatory skin disorders. Lately, a high prevalence of pruritus in patients with autoimmune connective tissue diseases (ACTDs) has been revealed. Patients with ACTDs may suffer from varying degrees of pruritus, which affect their quality of life. However, it is rarely recognized both by patients and physicians. Meanwhile, pruritus is not only a symptom but is also related to the disease severity of some ACTDs. The pathophysiology of ACTD related pruritus is ambiguous. This review summarizes the features and possible mechanisms of ACTD-related pruritus, which might lead to proper diagnosis and treatment.
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Affiliation(s)
- Lai-San Wong
- Department of Dermatology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan;
| | - Yu-Ta Yen
- Department of Dermatology, Fooying University Hospital, Pentong 928, Taiwan
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung 80420, Taiwan
- Correspondence: ; Tel.: +886-8-8323146
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28
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Thoreau B, Chaigne B, Mouthon L. Role of B-Cell in the Pathogenesis of Systemic Sclerosis. Front Immunol 2022; 13:933468. [PMID: 35903091 PMCID: PMC9315392 DOI: 10.3389/fimmu.2022.933468] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/06/2022] [Indexed: 11/29/2022] Open
Abstract
Systemic sclerosis (SSc) is a rare multisystem autoimmune disease, characterized by fibrosis, vasculopathy, and autoimmunity. Recent advances have highlighted the significant implications of B-cells in SSc. B-cells are present in affected organs, their subpopulations are disrupted, and they display an activated phenotype, and the regulatory capacities of B-cells are impaired, as illustrated by the decrease in the IL-10+ producing B-cell subpopulation or the inhibitory membrane co-receptor density. Recent multi-omics evidence highlights the role of B-cells mainly in the early stage of SSc and preferentially during severe organ involvement. This dysregulated homeostasis partly explains the synthesis of anti-endothelial cell autoantibodies (AECAs) or anti-fibroblast autoantibodies (AFAs), proinflammatory or profibrotic cytokines (interleukin-6 and transforming growth factor-β) produced by B and plasma cells. That is associated with cell-to-cell interactions with endothelial cells, fibroblasts, vascular smooth muscle cells, and other immune cells, altogether leading to cell activation and proliferation, cell resistance to apoptosis, the impairment of regulatory mechanisms, and causing fibrosis of several organs encountered in the SSc. Finally, alongside these exploratory data, treatments targeting B-cells, through their depletion by cytotoxicity (anti-CD20 monoclonal antibody), or the cytokines produced by the B-cell, or their costimulation molecules, seem interesting, probably in certain profiles of early patients with severe organic damage.
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Affiliation(s)
- Benjamin Thoreau
- Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, AP‐HP, CEDEX 14, Paris, France
- Université Paris Cité, Paris, France
- INSERM U1016, Cochin Institute, CNRS UMR 8104, Université Paris Cité, Paris, France
| | - Benjamin Chaigne
- Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, AP‐HP, CEDEX 14, Paris, France
- Université Paris Cité, Paris, France
- INSERM U1016, Cochin Institute, CNRS UMR 8104, Université Paris Cité, Paris, France
| | - Luc Mouthon
- Department of Internal Medicine, National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, AP‐HP, CEDEX 14, Paris, France
- Université Paris Cité, Paris, France
- INSERM U1016, Cochin Institute, CNRS UMR 8104, Université Paris Cité, Paris, France
- *Correspondence: Luc Mouthon,
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29
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Yu X, Wang X, Sun L, Yamazaki A, Li X. Tumor microenvironment regulation - enhanced radio - immunotherapy. BIOMATERIALS ADVANCES 2022; 138:212867. [PMID: 35913249 DOI: 10.1016/j.bioadv.2022.212867] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/28/2022] [Accepted: 05/13/2022] [Indexed: 06/15/2023]
Abstract
Radiotherapy (RT) is frequently utilized for cancer treatment in clinical practice and has been proved to have immune stimulation potency in recent years. However, its inhibitory effect on tumor growth, especially on tumor metastasis, is still limited by many factors, including the complex tumor microenvironment (TME). Therefore, the TME - regulating SiO2@MnO2 nanoparticles (SM NPs) were prepared and applied to the combination of RT and immunotherapy. In a bilateral animal model, SM NPs not only enhanced the inhibitory effect of RT on primary tumor growth, but also strengthened the abscopal effect to inhibit the growth of distant untreated tumors. As for the distant untreated tumor, 40% of mice showed complete inhibition of tumor growth and 40% showed a suppressed tumor growth. Moreover, SM NPs showed modulation functions for TME through inducing the increase in intracellular levels of oxygen and reactive oxygen species after their reaction with hydrogen peroxide and the main antioxidative agent glutathione in TME. Lastly, SM NPs also effectively induced the increase in the amounts of cytokines secreted by macrophage - like cells, indicating modulation functions for immune responses. This work highlighted a potential strategy of simultaneously inhibiting tumor growth and metastasis through the regulation of TME and immune responses by SM NPs - enhanced radio - immunotherapy.
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Affiliation(s)
- Xueping Yu
- Graduate School of Creative Science and Engineering, Waseda University, 3-4-1 Shin-Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Xiupeng Wang
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
| | - Lue Sun
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
| | - Atsushi Yamazaki
- Graduate School of Creative Science and Engineering, Waseda University, 3-4-1 Shin-Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Xia Li
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan
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Zhou H, Lu Y, Wei H, Chen Y, Limpanon Y, Dekumyoy P, Huang P, Shi P, Lv Z. Stat3/IL-6 signaling mediates sustained pneumonia induced by Agiostrongylus cantonensis. PLoS Negl Trop Dis 2022; 16:e0010461. [PMID: 35617354 PMCID: PMC9176765 DOI: 10.1371/journal.pntd.0010461] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 06/08/2022] [Accepted: 05/02/2022] [Indexed: 01/02/2023] Open
Abstract
Angiostrongylus cantonensis (AC) is well-documented that parasitizes the host brain and causes eosinophilic meningitis. The migration route of AC in permissive hosts is well demonstrated, while in nonpermissive hosts, it remains to be fully defined. In the present study, we exploited live imaging technology, morphological and pathological configuration analysis, and molecular biological technologies to explore the migration route of AC and the accompanying tissue damage in nonpermissive and permissive hosts. Our data indicated that, in nonpermissive host mouse, AC larvae migrated from intestinal wall to liver at 2 hours post-infection (hpi), from liver to lung at 4 hpi and then from lung to brain at 8 hpi. AC larval migration caused fatal lung injury (pneumonia) during acute and early infection phases, along with significant activation of Stat3/IL-6 signaling. In addition, AC induce sustained interstitial pneumonia in mouse and rat and pulmonary fibrosis only in rat during late infection phase. Moreover, during the early and late infection phases, Th2 cytokine expression and Stat3 and IL-6 signaling were persistently enhanced and myeloid macrophage cells were notably enriched in host lung, and administration of Stat3 and IL-6 inhibitors (C188-9 and LMT-28) attenuated AC infection-induced acute pneumonia in mice. Overall, we are the first to provide direct and systemic laboratory evidence of AC migration route in a nonpermissive host and report that infection with a high dose of AC larvae could result in acute and fatal pneumonia through Stat3/IL-6 signaling in mice. These findings may present a feasible to rational strategy to minimize the pathogenesis induced by AC. Angiostrongylus cantonensis is a well-known nematode parasitizing the host brain and is the leading cause of eosinophilic meningitis worldwide. Our study reports the migration route of Angiostrongylus cantonensis larvae in non-permissive host mouse and discovers that the larvae could induce fatal pneumonia in mouse lung during acute and early infection phase characterized by activation of Stat3/IL-6 signaling. Moreover, administration of inhibitors targeting Stat3/IL-6 signaling could significantly attenuate the AC-induced pneumonia of non-permissive host mouse, providing an effective candidate target for intervention of this severe parasitic pneumonia. These findings expand our understanding of Angiostrongyliasis cantonensis and indicate that more attention to AC-induced pneumonia is required when treatment for Angiostrongyliasis cantonensis in the future.
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Affiliation(s)
- Hongli Zhou
- Key Laboratory of Tropical Disease Control (Sun Yat-Sen University), Ministry of Education, Guangzhou, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | - Yuting Lu
- Key Laboratory of Tropical Disease Control (Sun Yat-Sen University), Ministry of Education, Guangzhou, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | - Hang Wei
- Key Laboratory of Tropical Disease Control (Sun Yat-Sen University), Ministry of Education, Guangzhou, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | - Yixin Chen
- Key Laboratory of Tropical Disease Control (Sun Yat-Sen University), Ministry of Education, Guangzhou, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | - Yanin Limpanon
- Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Paron Dekumyoy
- Faculty of Tropical Medicine, Mahidol University, Bangkok, Thailand
| | - Ping Huang
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
| | - Peiyao Shi
- Department of Experimental Diagnosis, Shenzhen Yantian District People’s Hospital, Guangdong, China
- * E-mail: (PS); (ZL)
| | - Zhiyue Lv
- Key Laboratory of Tropical Disease Control (Sun Yat-Sen University), Ministry of Education, Guangzhou, China
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Medical University, Haikou, China
- Department of Infectious Disease, Hainan Affaliated Hospital, Hainan Medical University, Haikou, China
- * E-mail: (PS); (ZL)
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Lee Y, Byeon HR, Jang SY, Hong MG, Kim D, Lee D, Shin JH, Kim Y, Kang SG, Seo JG. Oral administration of Faecalibacterium prausnitzii and Akkermansia muciniphila strains from humans improves atopic dermatitis symptoms in DNCB induced NC/Nga mice. Sci Rep 2022; 12:7324. [PMID: 35513696 PMCID: PMC9072367 DOI: 10.1038/s41598-022-11048-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Accepted: 04/11/2022] [Indexed: 12/27/2022] Open
Abstract
Atopic dermatitis (AD) is a common inflammatory skin disease, and its pathogenesis is closely associated with microbial homeostasis in the gut, namely the gut-skin axis. Particularly, recent metagenomics studies revealed that the abundance of two major bacterial species in the gut, Faecalibacterium prausnitzii and Akkermansia muciniphila, may play a critical role in the pathogenesis of AD, but the effect of these species in AD has not yet been elucidated. To evaluate the potential beneficial effect of F. prausnitzii or A. muciniphila in AD, we conducted an animal model study where F. prausnitzii EB-FPDK11 or A. muciniphila EB-AMDK19, isolated from humans, was orally administered to 2,5-dinitrochlorobenzene (DNCB)-induced AD models using NC/Nga mice at a daily dose of 108 CFUs/mouse for six weeks. As a result, the administration of each strain of F. prausnitzii and A. muciniphila improved AD-related markers, such as dermatitis score, scratching behavior, and serum immunoglobulin E level. Also, the F. prausnitzii and A. muciniphila treatments decreased the level of thymic stromal lymphopoietin (TSLP), triggering the production of T helper (Th) 2 cytokines, and improved the imbalance between the Th1 and Th2 immune responses induced by DNCB. Meanwhile, the oral administration of the bacteria enhanced the production of filaggrin in the skin and ZO-1 in the gut barrier, leading to the recovery of functions. Taken together, our findings suggest that F. prausnitzii EB-FPDK11 and A. muciniphila EB-AMDK19 have a therapeutic potential in AD, which should be verified in humans.
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Affiliation(s)
- Yoonmi Lee
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Hye Rim Byeon
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Seo-Yul Jang
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Moon-Gi Hong
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Dohak Kim
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Dokyung Lee
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Joo-Hyun Shin
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea
| | - Yesol Kim
- Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Korea
| | - Seung-Goo Kang
- Institute of Bioscience and Biotechnology, Kangwon National University, Chuncheon, Korea
| | - Jae-Gu Seo
- R&D Center, Enterobiome Inc., 814 Siksa-dong, Ilsandong-gu, Goyang-si, 10326, Korea.
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Yu X, Wang X, Yamazaki A, Li X. Tumor microenvironment-regulated nanoplatforms for the inhibition of tumor growth and metastasis in chemo-immunotherapy. J Mater Chem B 2022; 10:3637-3647. [PMID: 35439801 DOI: 10.1039/d2tb00337f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Chemotherapy is one of the major clinical anticancer therapies. However, its efficiency is limited by many factors, including the complex tumor microenvironment (TME). Herein, manganese-doped mesoporous silica nanoparticles (MM NPs) were constructed and applied to regulate the TME and enhance the efficiency of the combination of chemotherapy and immunotherapy (chemo-immunotherapy). Notably, the combination of MM NPs, doxorubicin hydrochloride, and immune checkpoint inhibitors enhanced the synergistic efficiency of chemo-immunotherapy in a bilateral animal model, which simultaneously inhibited the growth of primary tumors and distant untreated tumors. Moreover, Mn-doping endowed MSNs with six new regulatory functions for the TME by inducing glutathione depletion, ROS generation, oxygenation, cell-killing effect, immune activation, and degradation promotion. These results demonstrated that MM NPs with TME regulatory functions can potentially improve the efficiency of chemo-immunotherapy.
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Affiliation(s)
- Xueping Yu
- Graduate School of Creative Science and Engineering, Waseda University, 3-4-1 Shin-Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Xiupeng Wang
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
| | - Atsushi Yamazaki
- Graduate School of Creative Science and Engineering, Waseda University, 3-4-1 Shin-Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Xia Li
- Health and Medical Research Institute, Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology (AIST), Central 6, 1-1-1 Higashi, Tsukuba, Ibaraki 305-8566, Japan.
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Discovering the Triad between Nav1.5, Breast Cancer, and the Immune System: A Fundamental Review and Future Perspectives. Biomolecules 2022; 12:biom12020310. [PMID: 35204811 PMCID: PMC8869595 DOI: 10.3390/biom12020310] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/12/2022] [Accepted: 02/13/2022] [Indexed: 02/05/2023] Open
Abstract
Nav1.5 is one of the nine voltage-gated sodium channel-alpha subunit (VGSC-α) family members. The Nav1.5 channel typically carries an inward sodium ion current that depolarises the membrane potential during the upstroke of the cardiac action potential. The neonatal isoform of Nav1.5, nNav1.5, is produced via VGSC-α alternative splicing. nNav1.5 is known to potentiate breast cancer metastasis. Despite their well-known biological functions, the immunological perspectives of these channels are poorly explored. The current review has attempted to summarise the triad between Nav1.5 (nNav1.5), breast cancer, and the immune system. To date, there is no such review available that encompasses these three components as most reviews focus on the molecular and pharmacological prospects of Nav1.5. This review is divided into three major subsections: (1) the review highlights the roles of Nav1.5 and nNav1.5 in potentiating the progression of breast cancer, (2) focuses on the general connection between breast cancer and the immune system, and finally (3) the review emphasises the involvements of Nav1.5 and nNav1.5 in the functionality of the immune system and the immunogenicity. Compared to the other subsections, section three is pretty unexploited; it would be interesting to study this subsection as it completes the triad.
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Russell AE, Liao Z, Tkach M, Tarwater PM, Ostrowski M, Théry C, Witwer KW. Cigarette smoke-induced extracellular vesicles from dendritic cells alter T-cell activation and HIV replication. Toxicol Lett 2022; 360:33-43. [PMID: 35181468 PMCID: PMC9014967 DOI: 10.1016/j.toxlet.2022.02.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/26/2022] [Accepted: 02/12/2022] [Indexed: 10/19/2022]
Abstract
Despite decreased rates of tobacco smoking in many areas, cigarette smoking remains a major contributor to many health problems. Cigarette smoking can reduce immune system functioning while concurrently increasing inflammation. Dendritic cells in the lung exposed to cigarette smoke become stimulated and go on to activate T-cells. Extracellular vesicles (EVs) are nano-sized particles released by cells. They participate in intercellular communication by transferring functional proteins and nucleic acids to recipient cells and have been implicated in immune responses. For example, they can display MHC-peptide complexes to activate T-cells. In the current study, we sought to understand the role of cigarette smoke extract (CSE) on dendritic cell-derived EVs and their capacity to activate and differentiate T-cells. Primary human dendritic cells (iDCs) were exposed to CSE and EVs were separated and characterized. We exposed autologous primary CD4 + T-cells to iDC-EVs and observed T helper cell populations skewing towards Th1 and Th17 phenotypes. As HIV + individuals are disproportionately likely to be current smokers, we also examined the effects of iDC-EVs on acutely infected T-cells as well as on a cell model of HIV latency (ACH-2). We found that in most cases, iDC-CSE EVs tended to reduce p24 release from the acutely infected primary T-cells, albeit with great variability. We did not observe large effects of iDC-EVs or direct CSE exposure on p24 release from the ACH-2 cell line. Together, these data suggest that iDC-CSE EVs have the capacity to modulate the immune responses, in part by pushing T-cells towards Th1 and Th17 phenotypes.
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Affiliation(s)
- Ashley E Russell
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States; Department of Biology, School of Science, Penn State Erie, The Behrend College, Erie, PA, United States.
| | - Zhaohao Liao
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States
| | - Mercedes Tkach
- INSERM U932, Institut Curie Centre de Recherche, PSL Research University, Paris, France
| | - Patrick M Tarwater
- Department of Epidemiology, The Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD, United States
| | - Matias Ostrowski
- Instituto INBIRS, Universidad de Buenos Aires-CONICET, Buenos Aires, Argentina
| | - Clotilde Théry
- INSERM U932, Institut Curie Centre de Recherche, PSL Research University, Paris, France
| | - Kenneth W Witwer
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States; Department of Neurology, The Johns Hopkins University School of Medicine, Baltimore, MD, United States; The Richman Family Precision Medicine Center of Excellence in Alzheimer's Disease.
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35
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Shkair L, Garanina EE, Martynova EV, Kolesnikova AI, Arkhipova SS, Titova AA, Rizvanov AA, Khaiboullina SF. Immunogenic Properties of MVs Containing Structural Hantaviral Proteins: An Original Study. Pharmaceutics 2022; 14:pharmaceutics14010093. [PMID: 35056989 PMCID: PMC8779827 DOI: 10.3390/pharmaceutics14010093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 12/24/2021] [Accepted: 12/27/2021] [Indexed: 02/01/2023] Open
Abstract
Hemorrhagic fever with renal syndrome (HFRS) is an emerging infectious disease that remains a global public health threat. The highest incidence rate is among zoonotic disease cases in Russia. Most cases of HFRS are reported in the Volga region of Russia, which commonly identifies the Puumala virus (PUUV) as a pathogen. HFRS management is especially challenging due to the lack of specific treatments and vaccines. This study aims to develop new approaches for HFRS prevention. Our goal is to test the efficacy of microvesicles (MVs) as PUUV nucleocapsid (N) and glycoproteins (Gn/Gc) delivery vehicles. Our findings show that MVs could deliver the PUUV N and Gn/Gc proteins in vitro. We have also demonstrated that MVs loaded with PUUV proteins could elicit a specific humoral and cellular immune response in vivo. These data suggest that an MV-based vaccine could control HFRS.
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Zhao H, Zhou J, Lu H, Xi A, Luo M, Wang K, Lv H, Wang H, Wang P, Miao J, Xu Z. Azithromycin pretreatment exacerbates atopic dermatitis in trimellitic anhydride-induced model mice accompanied by correlated changes in the gut microbiota and serum cytokines. Int Immunopharmacol 2022; 102:108388. [PMID: 34819259 DOI: 10.1016/j.intimp.2021.108388] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 11/08/2021] [Accepted: 11/18/2021] [Indexed: 12/18/2022]
Abstract
Atopic dermatitis (AD) is a common inflammatory skin disease. This study aims to investigate the effect of azithromycin (AZI) pretreatment, a common macrolide-type antibiotic, on the trimellitic anhydride (TMA) induced AD-like symptoms in mice. AZI (25 mg/kg, once daily, 5 days) was administered intragastrically before the 10-day TMA challenge. AD-like symptoms were assessed by ear thickening, scratching behavior, and pathological or immunofluorescence staining; Cytokines in the skin tissue and serum were measured by cytometric bead array; and the compositions of gut microbiota were assessed by 16S rRNA gene sequencing. AZI pretreatment accelerated the development of ear thickening and enhanced the severity of developed AD-like symptoms. AZI pretreatment promoted the infiltrations of neutrophil-like cells, T cells, and mast cells in ear skin. AZI pretreatment elevated the levels of IL-4, IL-6, and IL-17A in the ear skin of AD model mice, but it increased serum TNF-α and IL-6. AZI-pretreatment increased four gut bacterial genera (Bacteroides, Candidatus_Saccharibacteria_unclassified, Acetatifactor, Firmicutes_unclassified) but depleted three short-chain fatty acids producing gut bacterial genera (Alistipes, Clostridiales_unclassified, Butyricicoccus). AD-associated symptoms were positively associated with skin IL-4 and IL-17A, serum TNF-α, and IL-6, and Acetatifactor, but they negatively correlated to the three decreased gut bacterial genera (Alistipes, Clostridiales_unclassified, Butyricicoccus). Thus, our results demonstrate that AZI exposure deteriorates TMA-induced AD-like symptoms in mice, which is related to the imbalances of gut microbiota and skin/serum cytokines.
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Affiliation(s)
- Huawei Zhao
- Department of Pharmacy, Zhejiang University School of Medicine Children's Hospital, Hangzhou, Zhejiang, China
| | - Jia Zhou
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Haimei Lu
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Anran Xi
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Mengxian Luo
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Keer Wang
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Hongjie Lv
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Huijuan Wang
- Department of Pharmacy, Zhejiang University School of Medicine Children's Hospital, Hangzhou, Zhejiang, China
| | - Ping Wang
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China
| | - Jing Miao
- Department of Pharmacy, Zhejiang University School of Medicine Children's Hospital, Hangzhou, Zhejiang, China.
| | - Zhenghao Xu
- Laboratory of Rheumatology & Institute of TCM Clinical Basic Medicine, College of Basic Medical Science, Zhejiang Chinese Medical University, Hangzhou, Zhejiang, China.
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Hosseini M, Baghaei K, Hajivalili M, Zali MR, Ebtekar M, Amani D. The anti-tumor effects of CT-26 derived exosomes enriched by MicroRNA-34a on murine model of colorectal cancer. Life Sci 2021; 290:120234. [PMID: 34953890 DOI: 10.1016/j.lfs.2021.120234] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/01/2021] [Accepted: 12/09/2021] [Indexed: 12/19/2022]
Abstract
AIMS As conventional therapeutics failed to provide satisfied outcomes against one of the most prevalent cancers, colorectal cancer (CRC), we purposed to implicate MicroRNA (miR)-34a, as a major tumor suppressor, to be delivered by tumor-derived exosomes (TEXs) and investigated its anti-tumor functions in-vivo. MAIN METHODS TEXs were isolated from CT-26 cell line and loaded with miR-34a mimic. Then, mice bearing CRC were treated with miR-34a-enriched TEX (TEX-miR-34a) and then examined for the relative tumor-suppressive impacts of the TEX as well as its potential in promoting an anti-tumor immune response. KEY FINDINGS TEX-miR-34a significantly reduced tumor size and prolonged survival of mice bearing CRC. TEX-miR-34a was able to diminish gene expressions related to invasion, angiogenesis and immune evasion. It was also capable of inducing T cell polarization toward CD8+ T subsets among tumor-infiltrating lymphocytes, draining lymph nodes (DLNs) and spleen cells. Moreover, cytotoxic T cells were professionally induced in mice receiving TEX-miR-34a and the secretion of interleukin (IL)-6, IL-17A and tumor necrosis factor (TGF)-β was reduced in DLNs. However, the enhanced levels of interferon-γ were evaluated in DLN and spleen displaying the polarization of anti-tumor immune responses. Interestingly, mice receiving TEX alone showed a noticeable reduction in certain oncogenic gene expressions as well as IL-17A secretion in DLNs. SIGNIFICANCE TEX-miR-34a demonstrated the potential to induce beneficial anti-tumor immune responses and TEXs, aside from the delivery function of miRNA, revealed certain anti-tumor beneficial characteristics which could introduce TEX-miR-34a as a promising approach in CRC combination therapies.
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Affiliation(s)
- Maryam Hosseini
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran; Pediatric Cell and Gene Therapy Research Center, Gene, Cell & Tissue Research Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Kaveh Baghaei
- Basic and Molecular Epidemiology of Gastrointestinal Disorders Research Center, Research Institute for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mahsa Hajivalili
- Department of Immunology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Reza Zali
- Gastroenterology and Liver Disease Research Center, Research Institute for Gastroenterology and Liver Disease, Shahid Beheshti University of Medical Science, Tehran, Iran
| | - Masoumeh Ebtekar
- Department of Immunology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Iran.
| | - Davar Amani
- Department of Immunology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Rasool KH, Mahmood Alubadi AE, Al-Bayati IFI. The role of Serum Interleukin-4 and Interleukin-6 in Helicobacter pylori-infected patients. Microb Pathog 2021; 162:105362. [PMID: 34942310 DOI: 10.1016/j.micpath.2021.105362] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/04/2021] [Accepted: 12/12/2021] [Indexed: 12/12/2022]
Abstract
BACKGROUND Helicobacter pylori (H. pylori) is a Gram-negative bacteria that colonizes the gastrointestinal mucosa and causes chronic inflammation. AIMS There are several studies related to cytokines concentrations in H. pylori infection, but there is no study that clarifies the role of IL-4 and IL-6 together in H. pylori infection. SUBJECTS and methods: A total of (65) individuals, (25) healthy controls and (40) patients with H. pylori infection which are submitted to the hepato-gastrointestinal unit of AL-Imamian Al-Kadhimiyain medical hospital city in Baghdad consulted and diagnosed by traditional ways. In addition, the diagnosis was confirmed by ELISA Helicobacter pylori IgG kit. IL-4 and IL-6 levels were also assessed by using ELISA kits, according to the manufactures procedures. RESULTS Significant increase of IL-4 and IL-6 concentration in seropositive patients compared with seronegative controls. CONCLUSION Our findings and previous researches indicate that the immune response of gastric mucosa to H. pylori varies among patients. It depends on the stage of infection, and increases the cytokines secretion in the chronic stage, which is expected because of increased immune cell infiltration at the site of infection.
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Affiliation(s)
- Khetam Habeeb Rasool
- Department of Biology, College of Science, Mustansiriyah University, Baghdad, Iraq.
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Castillo-Salazar M, Sánchez-Muñoz F, Springall del Villar R, Navarrete-Vázquez G, Hernández-DiazCouder A, Mojica-Cardoso C, García-Jiménez S, Toledano-Jaimes C, Bernal-Fernández G. Nitazoxanide Exerts Immunomodulatory Effects on Peripheral Blood Mononuclear Cells from Type 2 Diabetes Patients. Biomolecules 2021; 11:1817. [PMID: 34944461 PMCID: PMC8699442 DOI: 10.3390/biom11121817] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/29/2021] [Accepted: 11/30/2021] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Type 2 diabetes (T2D) is a low-grade inflammatory condition with abnormalities in the immune response mediated by T lymphocytes and macrophages. Drug repositioning for immunomodulatory molecules is an attractive proposal for treating T2D. Nitazoxanide (NTZ) is a broad-spectrum drug with promising immunomodulatory effects. Thus, we investigated the immunomodulatory effect of NTZ on peripheral blood mononuclear cells (PBMCs) from patients with T2D. METHODS Fifty patients with T2D were selected, and the proliferative response of T lymphocytes and the M1/M2 ratio of macrophages post cell culture were evaluated by flow cytometry, as well as measuring the concentration of cytokines by ELISA and the relative expression of microRNAs (miRNAs) related to the immune response by real-time PCR. RESULTS NTZ exerts an inhibitory effect on the cell proliferation of T lymphocytes stimulated with anti-CD3 and anti-CD28 antibodies without modifying cell viability, and significant decreases in the supernatant concentrations of interleukin (IL)-1β, IL-2, IL-6, IL-10, and IL-12. Furthermore, NTZ negatively regulates the relative expression of miR-155-5p without changes in miR-146a-5p. The M1/M2 ratio of monocytes/macrophages decreased the M1 and increased the M2 subpopulation by NTZ. CONCLUSIONS Our results suggest that NTZ exerts immunomodulatory effects on PBMCs from T2D patients, and shows potential alternative therapeutic benefits.
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Affiliation(s)
- Mauricio Castillo-Salazar
- Pharmacy Faculty, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico; (M.C.-S.); (G.N.-V.); (S.G.-J.); (C.T.-J.)
| | - Fausto Sánchez-Muñoz
- Immunology Department, Instituto Nacional de Cardiología Ignacio Chávez, Tlalpan, Mexico City 14080, Mexico; (F.S.-M.); (R.S.d.V.); (A.H.-D.)
| | - Rashidi Springall del Villar
- Immunology Department, Instituto Nacional de Cardiología Ignacio Chávez, Tlalpan, Mexico City 14080, Mexico; (F.S.-M.); (R.S.d.V.); (A.H.-D.)
| | - Gabriel Navarrete-Vázquez
- Pharmacy Faculty, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico; (M.C.-S.); (G.N.-V.); (S.G.-J.); (C.T.-J.)
| | - Adrián Hernández-DiazCouder
- Immunology Department, Instituto Nacional de Cardiología Ignacio Chávez, Tlalpan, Mexico City 14080, Mexico; (F.S.-M.); (R.S.d.V.); (A.H.-D.)
| | | | - Sara García-Jiménez
- Pharmacy Faculty, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico; (M.C.-S.); (G.N.-V.); (S.G.-J.); (C.T.-J.)
| | - Cairo Toledano-Jaimes
- Pharmacy Faculty, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico; (M.C.-S.); (G.N.-V.); (S.G.-J.); (C.T.-J.)
| | - Germán Bernal-Fernández
- Pharmacy Faculty, Universidad Autónoma del Estado de Morelos, Cuernavaca 62209, Mexico; (M.C.-S.); (G.N.-V.); (S.G.-J.); (C.T.-J.)
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Ravindranath MH, El Hilali F, Filippone EJ. The Impact of Inflammation on the Immune Responses to Transplantation: Tolerance or Rejection? Front Immunol 2021; 12:667834. [PMID: 34880853 PMCID: PMC8647190 DOI: 10.3389/fimmu.2021.667834] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 10/11/2021] [Indexed: 12/21/2022] Open
Abstract
Transplantation (Tx) remains the optimal therapy for end-stage disease (ESD) of various solid organs. Although alloimmune events remain the leading cause of long-term allograft loss, many patients develop innate and adaptive immune responses leading to graft tolerance. The focus of this review is to provide an overview of selected aspects of the effects of inflammation on this delicate balance following solid organ transplantation. Initially, we discuss the inflammatory mediators detectable in an ESD patient. Then, the specific inflammatory mediators found post-Tx are elucidated. We examine the reciprocal relationship between donor-derived passenger leukocytes (PLs) and those of the recipient, with additional emphasis on extracellular vesicles, specifically exosomes, and we examine their role in determining the balance between tolerance and rejection. The concept of recipient antigen-presenting cell "cross-dressing" by donor exosomes is detailed. Immunological consequences of the changes undergone by cell surface antigens, including HLA molecules in donor and host immune cells activated by proinflammatory cytokines, are examined. Inflammation-mediated donor endothelial cell (EC) activation is discussed along with the effect of donor-recipient EC chimerism. Finally, as an example of a specific inflammatory mediator, a detailed analysis is provided on the dynamic role of Interleukin-6 (IL-6) and its receptor post-Tx, especially given the potential for therapeutic interdiction of this axis with monoclonal antibodies. We aim to provide a holistic as well as a reductionist perspective of the inflammation-impacted immune events that precede and follow Tx. The objective is to differentiate tolerogenic inflammation from that enhancing rejection, for potential therapeutic modifications. (Words 247).
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Affiliation(s)
- Mepur H. Ravindranath
- Department of Hematology and Oncology, Children’s Hospital, Los Angeles, CA, United States
- Terasaki Foundation Laboratory, Santa Monica, CA, United States
| | | | - Edward J. Filippone
- Division of Nephrology, Department of Medicine, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA, United States
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Vu BT, Le HT, Nguyen KN, Van Pham P. Hypoxia, Serum Starvation, and TNF-α Can Modify the Immunomodulation Potency of Human Adipose-Derived Stem Cells. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021:3-18. [PMID: 34739720 DOI: 10.1007/5584_2021_672] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
INTRODUCTION Adipose-derived stem cells (ADSCs) are mesenchymal stem cells (MSCs) that are found in adipose tissues, which are easily obtained from liposuction procedures using an enzyme mixture. The adhering cells are then selectively cultivated. ADSCs have great potential in regenerative medicine because they are plentiful, easily accessible, and less invasive. They also have an impressive proliferation ability and can be differentiated into mesenchymal lineages and trans-differentiating into many other cell types. In particular, they have extraordinary abilities in immunomodulation. This study aimed to investigate the effects of culture conditions (hypoxia, starvation, and TNF-α treatment) on the immunomodulation of human ADSCs. METHODS Human ADSCs were expanded in vitro in the standard condition before they were cultured in different stress conditions. ADSCs from passages fifth were confirmed as MSCs by some standard assays suggested by the International Society for Cell and Gene Therapy. These MSCs were used to culture in four different stress conditions: hypoxia, serum starvation, and TNF-α treatment in 48 h. After treatments, MSCs were used to evaluate their immunomodulation capacity using MSCs mixed lymphocyte reaction assay, and the concentrations of IDO, PGE2, IL-6, and IL-10 were secreted in the culture medium. RESULTS In different stress conditions, ADSCs exhibited different responses related to their immunomodulation. In serum starvation, ADSCs exerted a strong secretion of IDO and PGE2, whereas they showed strong IL-6 secretion in the TNF-α-supplemented medium. When exposed to lymphocytes, ADSCs caused an increase in the ratio of regulatory T cells (Tregs), and co-culture lymphocytes with ADSCs induced in hypoxic malnutrition conditions increased the IL-10 level the most. In addition, when exposed to dendritic cells (DCs), ADSCs inhibited the mature marker expressions of the DCs. CONCLUSION The current research showed that ADSCs change their immunomodulation properties to survive in in vitro culture environments. Treatment of ADSCs in the starvation medium for 48 h can increase the immunomodulation of ADSCs.
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Affiliation(s)
- Binh Thanh Vu
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Hanh Thi Le
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Stem Cell Institute, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Khanh Nha Nguyen
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
- Stem Cell Institute, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Phuc Van Pham
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
- Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
- Stem Cell Institute, University of Science, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam.
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Interleukin-31 promotes fibrosis and T helper 2 polarization in systemic sclerosis. Nat Commun 2021; 12:5947. [PMID: 34642338 PMCID: PMC8511151 DOI: 10.1038/s41467-021-26099-w] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Accepted: 09/13/2021] [Indexed: 11/29/2022] Open
Abstract
Systemic sclerosis (SSc) is a chronic multisystem disorder characterized by fibrosis and autoimmunity. Interleukin (IL)-31 has been implicated in fibrosis and T helper (Th) 2 immune responses, both of which are characteristics of SSc. The exact role of IL-31 in SSc pathogenesis is unclear. Here we show the overexpression of IL-31 and IL-31 receptor A (IL-31RA) in dermal fibroblasts (DFs) from SSc patients. We elucidate the dual role of IL-31 in SSc, where IL-31 directly promotes collagen production in DFs and indirectly enhances Th2 immune responses by increasing pro-Th2 cytokine expression in DFs. Furthermore, blockade of IL-31 with anti-IL-31RA antibody significantly ameliorates fibrosis and Th2 polarization in a mouse model of SSc. Therefore, in addition to defining IL-31 as a mediator of fibrosis and Th2 immune responses in SSc, our study provides a rationale for targeting the IL-31/IL-31RA axis in the treatment of SSc. Systemic sclerosis (SSc) disease involves multisystem fibrosis and autoimmunity with limited treatment options. Here the authors demonstrate that IL-31 and IL-31RA are overexpressed in dermal fibroblasts from SSc patients and show that fibrosis and cytokine release can be reduced upon blocking of IL-31/IL-31RA.
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Fermented Platycodon grandiflorum extract alleviates TNF-α/IFN-γ-induced inflammatory response in HaCaT cells and modulates immune balance on 1-chloro-2,4-dinitrobenzene-induced atopic dermatitis in NC/Nga mice. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104617] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
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Newman H, Shih YV, Varghese S. Resolution of inflammation in bone regeneration: From understandings to therapeutic applications. Biomaterials 2021; 277:121114. [PMID: 34488119 DOI: 10.1016/j.biomaterials.2021.121114] [Citation(s) in RCA: 100] [Impact Index Per Article: 33.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 07/10/2021] [Accepted: 08/28/2021] [Indexed: 12/12/2022]
Abstract
Impaired bone healing occurs in 5-10% of cases following injury, leading to a significant economic and clinical impact. While an inflammatory response upon injury is necessary to facilitate healing, its resolution is critical for bone tissue repair as elevated acute or chronic inflammation is associated with impaired healing in patients and animal models. This process is governed by important crosstalk between immune cells through mediators that contribute to resolution of inflammation in the local healing environment. Approaches modulating the initial inflammatory phase followed by its resolution leads to a pro-regenerative environment for bone regeneration. In this review, we discuss the role of inflammation in bone repair, the negative impact of dysregulated inflammation on bone tissue regeneration, and how timely resolution of inflammation is necessary to achieve normal healing. We will discuss applications of biomaterials to treat large bone defects with a specific focus on resolution of inflammation to modulate the immune environment following bone injury, and their observed functional benefits. We conclude the review by discussing future strategies that could lead to the realization of anti-inflammatory therapeutics for bone tissue repair.
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Affiliation(s)
- Hunter Newman
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27710, USA
| | - Yuru Vernon Shih
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, 27710, USA
| | - Shyni Varghese
- Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC, 27710, USA; Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, NC, 27710, USA; Department of Biomedical Engineering, Duke University, Durham, NC, 27710, USA.
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Lauruschkat CD, Etter S, Schnack E, Ebel F, Schäuble S, Page L, Rümens D, Dragan M, Schlegel N, Panagiotou G, Kniemeyer O, Brakhage AA, Einsele H, Wurster S, Loeffler J. Chronic Occupational Mold Exposure Drives Expansion of Aspergillus-Reactive Type 1 and Type 2 T-Helper Cell Responses. J Fungi (Basel) 2021; 7:jof7090698. [PMID: 34575736 PMCID: PMC8471116 DOI: 10.3390/jof7090698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/20/2021] [Accepted: 08/25/2021] [Indexed: 12/11/2022] Open
Abstract
Occupational mold exposure can lead to Aspergillus-associated allergic diseases including asthma and hypersensitivity pneumonitis. Elevated IL-17 levels or disbalanced T-helper (Th) cell expansion were previously linked to Aspergillus-associated allergic diseases, whereas alterations to the Th cell repertoire in healthy occupationally exposed subjects are scarcely studied. Therefore, we employed functional immunoassays to compare Th cell responses to A. fumigatus antigens in organic farmers, a cohort frequently exposed to environmental molds, and non-occupationally exposed controls. Organic farmers harbored significantly higher A. fumigatus-specific Th-cell frequencies than controls, with comparable expansion of Th1- and Th2-cell frequencies but only slightly elevated Th17-cell frequencies. Accordingly, Aspergillus antigen-induced Th1 and Th2 cytokine levels were strongly elevated, whereas induction of IL-17A was minimal. Additionally, increased levels of some innate immune cell-derived cytokines were found in samples from organic farmers. Antigen-induced cytokine release combined with Aspergillus-specific Th-cell frequencies resulted in high classification accuracy between organic farmers and controls. Aspf22, CatB, and CipC elicited the strongest differences in Th1 and Th2 responses between the two cohorts, suggesting these antigens as potential candidates for future bio-effect monitoring approaches. Overall, we found that occupationally exposed agricultural workers display a largely balanced co-expansion of Th1 and Th2 immunity with only minor changes in Th17 responses.
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Affiliation(s)
- Chris D. Lauruschkat
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
| | - Sonja Etter
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
| | - Elisabeth Schnack
- Institute for Infectious Diseases and Zoonoses, Ludwig-Maximilians-University of Munich, 80539 Munich, Germany; (E.S.); (F.E.)
| | - Frank Ebel
- Institute for Infectious Diseases and Zoonoses, Ludwig-Maximilians-University of Munich, 80539 Munich, Germany; (E.S.); (F.E.)
| | - Sascha Schäuble
- Systems Biology and Bioinformatics, Leibniz Institute for Natural Product Research and Infection Biology—Hans-Knoell-Institute (HKI), 07745 Jena, Germany; (S.S.); (G.P.)
| | - Lukas Page
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
| | - Dana Rümens
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
| | - Mariola Dragan
- Department of Surgery I, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (M.D.); (N.S.)
| | - Nicolas Schlegel
- Department of Surgery I, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (M.D.); (N.S.)
| | - Gianni Panagiotou
- Systems Biology and Bioinformatics, Leibniz Institute for Natural Product Research and Infection Biology—Hans-Knoell-Institute (HKI), 07745 Jena, Germany; (S.S.); (G.P.)
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Olaf Kniemeyer
- Department of Molecular and Applied Microbiology, Leibniz Institute for Natural Product Research and Infection Biology—Hans-Knoell-Institute (HKI), 07745 Jena, Germany; (O.K.); (A.A.B.)
| | - Axel A. Brakhage
- Department of Molecular and Applied Microbiology, Leibniz Institute for Natural Product Research and Infection Biology—Hans-Knoell-Institute (HKI), 07745 Jena, Germany; (O.K.); (A.A.B.)
| | - Hermann Einsele
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
| | - Sebastian Wurster
- Department of Infectious Diseases, Infection Control and Employee Health, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA;
| | - Juergen Loeffler
- Department of Internal Medicine II, University Hospital of Wuerzburg, 97080 Wuerzburg, Germany; (C.D.L.); (S.E.); (L.P.); (D.R.); (H.E.)
- Correspondence: ; Tel.: +49-931-201-36412
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Th17-Related Cytokines as Potential Discriminatory Markers between Neuromyelitis Optica (Devic's Disease) and Multiple Sclerosis-A Review. Int J Mol Sci 2021; 22:ijms22168946. [PMID: 34445668 PMCID: PMC8396435 DOI: 10.3390/ijms22168946] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 02/06/2023] Open
Abstract
Multiple sclerosis (MS) and Devic’s disease (NMO; neuromyelitis optica) are autoimmune, inflammatory diseases of the central nervous system (CNS), the etiology of which remains unclear. It is a serious limitation in the treatment of these diseases. The resemblance of the clinical pictures of these two conditions generates a partial possibility of introducing similar treatment, but on the other hand, a high risk of misdiagnosis. Therefore, a better understanding and comparative characterization of the immunopathogenic mechanisms of each of these diseases are essential to improve their discriminatory diagnosis and more effective treatment. In this review, special attention is given to Th17 cells and Th17-related cytokines in the context of their potential usefulness as discriminatory markers for MS and NMO. The discussed results emphasize the role of Th17 immune response in both MS and NMO pathogenesis, which, however, cannot be considered without taking into account the broader perspective of immune response mechanisms.
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Gallbladder Interleukins in Children with Calculous Cholecystitis. Pediatr Rep 2021; 13:470-482. [PMID: 34449702 PMCID: PMC8396171 DOI: 10.3390/pediatric13030054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/06/2021] [Accepted: 08/02/2021] [Indexed: 11/16/2022] Open
Abstract
Calculous cholecystitis connects to inflammation and various complications. It is a common disease in the paediatric population, yet it is still uncertain how inflammation factors are involved in its morphopathogenesis. Twenty calculous cholecystitis surgery tissue samples were obtained from 20 children. As a control, seven unaffected gallbladders were used. Tissues were immunohistochemically stained for IL-1α, IL-4, IL-6, IL-7, IL-8, IL-10, and IL-17A, and the slides were inspected by light microscopy. To evaluate statistical differences and correlations between interleukins, Mann-Whitney U and Spearman's tests were used. Statistically significant difference between patient and control gallbladder epithelium was for IL-1α and IL-17A, but connective tissue-IL-1α, IL-4, IL-6, IL-7, IL-8, and IL-17A positive structures. A strong positive correlation in patients was detected between epithelial IL-1α and IL-1α in connective tissue, epithelial IL-6 and IL-7, IL-6 and IL-17A, IL-7 and IL-10, IL-7 and IL-17A, as well as between IL-6 and IL-7, IL-7 and IL-10 in connective tissue. The increase of IL-1α, IL-4, IL-6, IL-7, IL-8 and IL-17A positive structures suggests their role in the morphopathogenesis of calculous cholecystitis. The correlations between interleukins in epithelium and in connective tissues prove that the epithelial barrier function and inflammatory response in deeper layers are sustained through intercellular signalling pathways.
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Hong Y, Lee J, Vu TH, Lee S, Lillehoj HS, Hong YH. Immunomodulatory effects of poly(I:C)-stimulated exosomes derived from chicken macrophages. Poult Sci 2021; 100:101247. [PMID: 34174563 PMCID: PMC8242060 DOI: 10.1016/j.psj.2021.101247] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 04/14/2021] [Accepted: 05/02/2021] [Indexed: 11/13/2022] Open
Abstract
Exosomes are small membrane vesicles that contain proteins and nucleic acids derived from secretory cells and mediate intracellular communication. Immune cell-derived exosomes regulate immune responses and gene expression of recipient cells. Macrophages recognize viral dsRNA via Toll-like receptor 3, thereby inducing the activation of transcription factors such as interferon regulatory factor 3 and nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB). In this study, we aimed to identify the immunomodulatory functions of exosomes derived from chicken macrophages (HD11) stimulated with polyinosinic-polycytidylic acid (poly[I:C]); exosomes were then delivered into HD11 cells and CU91 chicken T cells. Exosomes purified from poly(I:C)-activated macrophages stimulated the expression of type I interferons, proinflammatory cytokines, anti-inflammatory cytokines, and chemokines in HD11 and CU91 cells. Moreover, poly(I:C)-stimulated exosomes induced the NF-κB signaling pathway by phosphorylating TAK1 and NF-κB1. Therefore, we suggest that after the activation of Toll-like receptor 3 ligands following infection with dsRNA virus, chicken macrophages regulate the immune response of naive macrophages and T cells through the NF-κB signaling pathway. Furthermore, poly(I:C)-activated exosomes can be potentially utilized as immunostimulators.
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Affiliation(s)
- Yeojin Hong
- Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Jiae Lee
- Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Thi Hao Vu
- Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Sooyeon Lee
- Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea
| | - Hyun S Lillehoj
- Animal Biosciences and Biotechnology Laboratory, Agricultural Research Services, United States Department of Agriculture, Beltsville, MD 20705, USA
| | - Yeong Ho Hong
- Department of Animal Science and Technology, Chung-Ang University, Anseong 17546, Republic of Korea.
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Hill DG, Ward A, Nicholson LB, Jones GW. Emerging roles for IL-6 family cytokines as positive and negative regulators of ectopic lymphoid structures. Cytokine 2021; 146:155650. [PMID: 34343865 DOI: 10.1016/j.cyto.2021.155650] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 07/06/2021] [Accepted: 07/09/2021] [Indexed: 02/07/2023]
Abstract
IL-6 family cytokines display broad effects in haematopoietic and non-haematopoietic cells that regulate immune homeostasis, host defence, haematopoiesis, development, reproduction and wound healing. Dysregulation of these activities places this cytokine family as important mediators of autoimmunity, chronic inflammation and cancer. In this regard, ectopic lymphoid structures (ELS) are a pathological hallmark of many tissues affected by chronic disease. These inducible lymphoid aggregates form compartmentalised T cell and B cell zones, germinal centres, follicular dendritic cell networks and high endothelial venules, which are defining qualities of peripheral lymphoid organs. Accordingly, ELS can support local antigen-specific responses to self-antigens, alloantigens, pathogens and tumours. ELS often correlate with severe disease progression in autoimmune conditions, while tumour-associated ELS are associated with enhanced anti-tumour immunity and a favourable prognosis in cancer. Here, we discuss emerging roles for IL-6 family cytokines as regulators of ELS development, maintenance and activity and consider how modulation of these activities has the potential to aid the successful treatment of autoimmune conditions and cancers where ELS feature.
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Affiliation(s)
- David G Hill
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Amy Ward
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Lindsay B Nicholson
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK
| | - Gareth W Jones
- School of Cellular and Molecular Medicine, University of Bristol, Bristol, UK.
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LaSalle T, Austin EE, Rigney G, Wehrenberg-Klee E, Nesti S, Larimer B, Mahmood U. Granzyme B PET imaging of immune-mediated tumor killing as a tool for understanding immunotherapy response. J Immunother Cancer 2021; 8:jitc-2019-000291. [PMID: 32461343 PMCID: PMC7254099 DOI: 10.1136/jitc-2019-000291] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/13/2020] [Indexed: 12/20/2022] Open
Abstract
Background Cancer immunotherapy research is expanding to include a more robust understanding of the mechanisms of treatment response and resistance. Identification of drivers of pro-tumor and anti-tumor immunity during treatment offers new strategies for effective alternative or combination immunotherapies. Currently, tissue or blood samples are collected and analyzed, then dichotomized based on clinical end points that may occur months or years after tissue is collected. While overall survival is ultimately the desired clinical outcome, this dichotomization fails to incorporate the nuances that may occur during an anti-tumor response. By failing to directly measure immune activation at the time of sampling, tumors may be misclassified and potentially obscure important biological information. Non-invasive techniques, such as positron emission tomography (PET), allow for global and quantitative measurements of cancer specific processes and are widely used clinically to help manage disease. Methods We have previously developed a novel PET agent that can non-invasively quantify granzyme B release in tumors and have demonstrated its ability to predict response to checkpoint inhibitor therapy in multiple murine models of cancer. Here, we used the quantitative measurement of granzyme B release as a direct and time-matched marker of immune cell activation in order to determine immune cell types and cytokines that correlate with effective checkpoint inhibitor therapy in both tumors and tumor-draining lymph nodes. Results Through PET imaging, we were able to successfully distinguish distinct microenvironments, based on tumor type, which influenced immune cell subpopulations and cytokine release. Although each tumor was marked by functionally distinct pathways of immune cell activation and inflammation, they also shared commonalities that ultimately resulted in granzyme B release and tumor killing. Conclusions These results suggest that discrete tumor immune microenvironments can be identified in both responsive and non-responsive tumors and offers strategic targets for intervention to overcome checkpoint inhibitor resistance.
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Affiliation(s)
- Thomas LaSalle
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Emily E Austin
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Grant Rigney
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | | | - Sarah Nesti
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Benjamin Larimer
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
| | - Umar Mahmood
- Radiology, Massachusetts General Hospital, Boston, Massachusetts, USA
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