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Wang LL, Wang H, Lin SJ, Xu XY, Hu WJ, Liu J, Zhang HY. ABBV-744 alleviates LPS-induced neuroinflammation via regulation of BATF2-IRF4-STAT1/3/5 axis. Acta Pharmacol Sin 2024; 45:2077-2091. [PMID: 38862817 PMCID: PMC11420366 DOI: 10.1038/s41401-024-01318-4] [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: 01/02/2024] [Accepted: 05/17/2024] [Indexed: 06/13/2024] Open
Abstract
Suppression of neuroinflammation using small molecule compounds targeting the key pathways in microglial inflammation has attracted great interest. Recently, increasing attention has been gained to the role of the second bromodomain (BD2) of the bromodomain and extra-terminal (BET) proteins, while its effect and molecular mechanism on microglial inflammation has not yet been explored. In this study, we evaluated the therapeutic effects of ABBV-744, a BD2 high selective BET inhibitor, on lipopolysaccharide (LPS)-induced microglial inflammation in vitro and in vivo, and explored the key pathways by which ABBV-744 regulated microglia-mediated neuroinflammation. We found that pretreatment of ABBV-744 concentration-dependently inhibited the expression of LPS-induced inflammatory mediators/enzymes including NO, TNF-α, IL-1β, IL-6, iNOS, and COX-2 in BV-2 microglial cells. These effects were validated in LPS-treated primary microglial cells. Furthermore, we observed that administration of ABBV-744 significantly alleviated LPS-induced activation of microglia and transcriptional levels of pro-inflammatory factors TNF-α and IL-1β in mouse hippocampus and cortex. RNA-Sequencing (RNA-seq) analysis revealed that ABBV-744 induced 508 differentially expressed genes (DEGs) in LPS-stimulated BV-2 cells, and gene enrichment and gene expression network analysis verified its regulation on activated microglial genes and inflammatory pathways. We demonstrated that pretreatment of ABBV-744 significantly reduced the expression levels of basic leucine zipper ATF-like transcription factor 2 (BATF2) and interferon regulatory factor 4 (IRF4), and suppressed JAK-STAT signaling pathway in LPS-stimulated BV-2 cells and mice, suggesting that the anti-neuroinflammatory effect of ABBV-744 might be associated with regulation of BATF2-IRF4-STAT1/3/5 pathway, which was confirmed by gene knockdown experiments. This study demonstrates the effect of a BD2 high selective BET inhibitor, ABBV-744, against microglial inflammation, and reveals a BATF2-IRF4-STAT1/3/5 pathway in regulation of microglial inflammation, which might provide new clues for discovery of effective therapeutic strategy against neuroinflammation.
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Affiliation(s)
- Le-le Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Huan Wang
- University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Si-Jin Lin
- University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Xing-Yu Xu
- University of Chinese Academy of Sciences, Beijing, 100049, China
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Wen-Juan Hu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Jia Liu
- Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China
| | - Hai-Yan Zhang
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, 201203, China.
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Aghajani Mir M. Illuminating the pathogenic role of SARS-CoV-2: Insights into competing endogenous RNAs (ceRNAs) regulatory networks. INFECTION, GENETICS AND EVOLUTION : JOURNAL OF MOLECULAR EPIDEMIOLOGY AND EVOLUTIONARY GENETICS IN INFECTIOUS DISEASES 2024; 122:105613. [PMID: 38844190 DOI: 10.1016/j.meegid.2024.105613] [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: 03/07/2024] [Revised: 05/20/2024] [Accepted: 05/31/2024] [Indexed: 06/10/2024]
Abstract
The appearance of SARS-CoV-2 in 2019 triggered a significant economic and health crisis worldwide, with heterogeneous molecular mechanisms that contribute to its development are not yet fully understood. Although substantial progress has been made in elucidating the mechanisms behind SARS-CoV-2 infection and therapy, it continues to rank among the top three global causes of mortality due to infectious illnesses. Non-coding RNAs (ncRNAs), being integral components across nearly all biological processes, demonstrate effective importance in viral pathogenesis. Regarding viral infections, ncRNAs have demonstrated their ability to modulate host reactions, viral replication, and host-pathogen interactions. However, the complex interactions of different types of ncRNAs in the progression of COVID-19 remains understudied. In recent years, a novel mechanism of post-transcriptional gene regulation known as "competing endogenous RNA (ceRNA)" has been proposed. Long non-coding RNAs (lncRNAs), circular RNAs (circRNAs), and viral ncRNAs function as ceRNAs, influencing the expression of associated genes by sequestering shared microRNAs. Recent research on SARS-CoV-2 has revealed that disruptions in specific ceRNA regulatory networks (ceRNETs) contribute to the abnormal expression of key infection-related genes and the establishment of distinctive infection characteristics. These findings present new opportunities to delve deeper into the underlying mechanisms of SARS-CoV-2 pathogenesis, offering potential biomarkers and therapeutic targets. This progress paves the way for a more comprehensive understanding of ceRNETs, shedding light on the intricate mechanisms involved. Further exploration of these mechanisms holds promise for enhancing our ability to prevent viral infections and develop effective antiviral treatments.
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Affiliation(s)
- Mahsa Aghajani Mir
- Deputy of Research and Technology, Babol University of Medical Sciences, Babol, Iran.
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3
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Tinkey RA, Smith BC, Habean ML, Williams JL. BATF2 is a regulator of interferon-γ signaling in astrocytes during neuroinflammation. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.07.10.602938. [PMID: 39071355 PMCID: PMC11275732 DOI: 10.1101/2024.07.10.602938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/30/2024]
Abstract
Astrocytic interferon (IFN)γ signaling is associated with a reduction in neuroinflammation. We have previously shown that the benefits of astrocytic IFNγ arise from a variety of mechanisms; however, downstream effectors responsible for regulating this protection are unknown. We address this by identifying a specific transcription factor that may play a key role in modulating the consequences of IFNγ signaling. RNA-sequencing of primary human astrocytes treated with IFNγ revealed basic leucine zipper ATF-like transcription factor ( BATF )2 as a highly expressed interferon-specific gene. Primarily studied in the periphery, BATF2 has been shown to exert both inflammatory and protective functions; however, its function in the central nervous system (CNS) is unknown. Here, we demonstrate that human spinal cord astrocytes upregulate BATF2 transcript and protein in an IFNγ-specific manner. Additionally, we found that BATF2 prevents overexpression of interferon regulatory factor (IRF)1 and IRF1 targets such as Caspase-1, which are known downstream pro-inflammatory mediators. We also show that Batf2 -/- mice exhibit exacerbated clinical disease severity in a murine model of CNS autoimmunity, characterized by an increase in both CNS immune cell infiltration and demyelination. Batf2 -/- mice also exhibit increased astrocyte-specific expression of IRF1 and Caspase-1, suggesting an amplified interferon response in vivo . Further, we demonstrate that BATF2 is expressed primarily in astrocytes in MS lesions and that this expression is co-localized with IRF1. Collectively, our results further support a protective role for IFNγ and implicate BATF2 as a key suppressor of overactive immune signaling in astrocytes during neuroinflammation.
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4
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Zong Y, Chang Y, Huang K, Liu J, Zhao Y. The role of BATF2 deficiency in immune microenvironment rearrangement in cervical cancer - New biomarker benefiting from combination of radiotherapy and immunotherapy. Int Immunopharmacol 2024; 126:111199. [PMID: 37995570 DOI: 10.1016/j.intimp.2023.111199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 10/25/2023] [Accepted: 11/06/2023] [Indexed: 11/25/2023]
Abstract
Despite the significant progress in immunotherapy for certain cancers, including cervical cancer, most patients remain unresponsive or derive limited benefits from combined radiotherapy and chemotherapy. The factors underlying treatment resistance are unknown and there are few reliable predictive biomarkers. BATF2 is a member of the basic leucine zipper transcription factor family and is involved in immune response and immune cell development. However, the role of BATF2 in the immune microenvironment of patients with cervical cancer after radiotherapy remains unclear. In this study, immunohistochemistry and multicolour immunofluorescence analyses of patient tumor samples were used to assess BATF2 expression. We found that cervical cancer patients with high BATF2 expression had higher infiltration levels of CD4+ T cells, CD8+ T cells, and macrophages within the tumor than those with low expression levels. Furthermore, BATF2 expression was positively correlated with the prognosis of patients after concurrent chemoradiotherapy. A wild-type mouse model with BATF2-knockdown U14 cell-derived subcutaneous tumors and a Batf2-/- mouse model with wild-type U14 cell-derived subcutaneous tumors were used to assess CD8+ T cell infiltration and function. As expected, the knockdown of BATF2 in the U14 cell line substantially promoted tumor growth, which was mediated by a reduction in CD8+ T cell infiltration and antitumor function in vivo. Additionally, the Batf2-/- mouse model demonstrated that host BATF2 is also involved in controlling tumor growth. Furthermore, the combination of radiotherapy and anti-PD-1 therapy showed synergistic antitumour effects. These findings collectively suggest that BATF2 may serve as a potent positive regulator of the tumor immune microenvironment of cervical cancer after radiotherapy, and has the potential to be a prognostic biomarker to guide the application of a combination of radiotherapy and immunotherapy.
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Affiliation(s)
- Yan Zong
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yu Chang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Kexin Huang
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jun Liu
- Department of Thoracic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430022, China.
| | - Yingchao Zhao
- Cancer Center, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Institute of Radiation Oncology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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5
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Nakatani A, Okumura R, Ishibashi A, Okamoto S, Sakaki K, Ito Y, Okuzaki D, Inohara H, Takeda K. Differential dependence on microbiota of IL-23/IL-22-dependent gene expression between the small- and large-intestinal epithelia. Genes Cells 2023; 28:776-788. [PMID: 37680073 DOI: 10.1111/gtc.13065] [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: 07/28/2023] [Revised: 08/25/2023] [Accepted: 08/27/2023] [Indexed: 09/09/2023]
Abstract
In the intestine, interleukin (IL)-23 and IL-22 from immune cells in the lamina propria contribute to maintenance of the gut epithelial barrier through the induction of antimicrobial production and the promotion of epithelial cell proliferation. Several previous studies suggested that some of the functions of the IL-23/IL-22 axis on intestinal epithelial cells are shared between the small and large intestines. However, the similarities and differences of the IL-23/IL-22 axis on epithelial cells between these two anatomical sites remain unclear. Here, we comprehensively analyzed the gene expression of intestinal epithelial cells in the ileum and colon of germ-free, Il23-/- , and Il22-/- mice by RNA-sequencing. We found that while the IL-23/IL-22 axis is largely dependent on gut microbiota in the small intestine, it is much less dependent on it in the large intestine. In addition, the negative regulation of lipid metabolism in the epithelial cells by IL-23 and IL-22 in the small intestine was revealed, whereas the positive regulation of epithelial cell proliferation by IL-23 and IL-22 in the large intestine was highlighted. These findings shed light on the intestinal site-specific role of the IL-23/IL-22 axis in maintaining the physiological functions of intestinal epithelial cells.
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Affiliation(s)
- Ayaka Nakatani
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- Department of Otorhinolaryngology-Head and Neck Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Ryu Okumura
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Institute for Open and Transdisciplinary Research Initiative, Osaka University, Suita, Osaka, Japan
| | - Airi Ishibashi
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Shota Okamoto
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Kei Sakaki
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Yuki Ito
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Daisuke Okuzaki
- WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Institute for Open and Transdisciplinary Research Initiative, Osaka University, Suita, Osaka, Japan
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
| | - Hidenori Inohara
- Department of Otorhinolaryngology-Head and Neck Surgery, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
| | - Kiyoshi Takeda
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Suita, Osaka, Japan
- WPI Immunology Frontier Research Center, Osaka University, Suita, Osaka, Japan
- Institute for Open and Transdisciplinary Research Initiative, Osaka University, Suita, Osaka, Japan
- Center for Infectious Disease Education and Research, Osaka University, Suita, Osaka, Japan
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6
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van der Geest R, Peñaloza HF, Xiong Z, Gonzalez-Ferrer S, An X, Li H, Fan H, Tabary M, Nouraie SM, Zhao Y, Zhang Y, Chen K, Alder JK, Bain WG, Lee JS. BATF2 enhances proinflammatory cytokine responses in macrophages and improves early host defense against pulmonary Klebsiella pneumoniae infection. Am J Physiol Lung Cell Mol Physiol 2023; 325:L604-L616. [PMID: 37724373 PMCID: PMC11068429 DOI: 10.1152/ajplung.00441.2022] [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: 12/29/2022] [Revised: 07/12/2023] [Accepted: 08/31/2023] [Indexed: 09/20/2023] Open
Abstract
Basic leucine zipper transcription factor ATF-like 2 (BATF2) is a transcription factor that is emerging as an important regulator of the innate immune system. BATF2 is among the top upregulated genes in human alveolar macrophages treated with LPS, but the signaling pathways that induce BATF2 expression in response to Gram-negative stimuli are incompletely understood. In addition, the role of BATF2 in the host response to pulmonary infection with a Gram-negative pathogen like Klebsiella pneumoniae (Kp) is not known. We show that induction of Batf2 gene expression in macrophages in response to Kp in vitro requires TRIF and type I interferon (IFN) signaling, but not MyD88 signaling. Analysis of the impact of BATF2 deficiency on macrophage effector functions in vitro showed that BATF2 does not directly impact macrophage phagocytic uptake and intracellular killing of Kp. However, BATF2 markedly enhanced macrophage proinflammatory gene expression and Kp-induced cytokine responses. In vivo, Batf2 gene expression was elevated in lung tissue of wild-type (WT) mice 24 h after pulmonary Kp infection, and Kp-infected BATF2-deficient (Batf2-/-) mice displayed an increase in bacterial burden in the lung, spleen, and liver compared with WT mice. WT and Batf2-/- mice showed similar recruitment of leukocytes following infection, but in line with in vitro observations, proinflammatory cytokine levels in the alveolar space were reduced in Batf2-/- mice. Altogether, these results suggest that BATF2 enhances proinflammatory cytokine responses in macrophages in response to Kp and contributes to the early host defense against pulmonary Kp infection.NEW & NOTEWORTHY This study investigates the signaling pathways that mediate induction of BATF2 expression downstream of TLR4 and also the impact of BATF2 on the host defense against pulmonary Kp infection. We demonstrate that Kp-induced upregulation of BATF2 in macrophages requires TRIF and type I IFN signaling. We also show that BATF2 enhances Kp-induced macrophage cytokine responses and that BATF2 contributes to the early host defense against pulmonary Kp infection.
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Affiliation(s)
- Rick van der Geest
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Hernán F Peñaloza
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Zeyu Xiong
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Shekina Gonzalez-Ferrer
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Xiaojing An
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Huihua Li
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Hongye Fan
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Mohammadreza Tabary
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - S Mehdi Nouraie
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Yanwu Zhao
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Yingze Zhang
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Kong Chen
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - Jonathan K Alder
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
| | - William G Bain
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
- Veterans Affairs Pittsburgh Health Care System, Pittsburgh, Pennsylvania, United States
| | - Janet S Lee
- Division of Pulmonary, Allergy, Critical Care, and Sleep Medicine, Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
- Vascular Medicine Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, United States
- Acute Lung Injury Center of Excellence, Department of Medicine, Pittsburgh, Pennsylvania, United States
- Division of Pulmonary and Critical Care Medicine, John T. Milliken Department of Medicine, Washington University School of Medicine, St. Louis, Missouri, United States
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7
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Taniguchi M, Okumura R, Matsuzaki T, Nakatani A, Sakaki K, Okamoto S, Ishibashi A, Tani H, Horikiri M, Kobayashi N, Yoshikawa HY, Motooka D, Okuzaki D, Nakamura S, Kida T, Kameyama A, Takeda K. Sialylation shapes mucus architecture inhibiting bacterial invasion in the colon. Mucosal Immunol 2023; 16:624-641. [PMID: 37385587 DOI: 10.1016/j.mucimm.2023.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 06/07/2023] [Accepted: 06/07/2023] [Indexed: 07/01/2023]
Abstract
In the intestine, mucin 2 (Muc2) forms a network structure and prevents bacterial invasion. Glycans are indispensable for Muc2 barrier function. Among various glycosylation patterns of Muc2, sialylation inhibits bacteria-dependent Muc2 degradation. However, the mechanisms by which Muc2 creates the network structure and sialylation prevents mucin degradation remain unknown. Here, by focusing on two glycosyltransferases, St6 N-acetylgalactosaminide α-2,6-sialyltransferase 6 (St6galnac6) and β-1,3-galactosyltransferase 5 (B3galt5), mediating the generation of desialylated glycans, we show that sialylation forms the network structure of Muc2 by providing negative charge and hydrophilicity. The colonic mucus of mice lacking St6galnac6 and B3galt5 was less sialylated, thinner, and more permeable to microbiota, resulting in high susceptibility to intestinal inflammation. Mice with a B3galt5 mutation associated with inflammatory bowel disease (IBD) also showed the loss of desialylated glycans of mucus and the high susceptibility to intestinal inflammation, suggesting that the reduced sialylation of Muc2 is associated with the pathogenesis of IBD. In mucins of mice with reduced sialylation, negative charge was reduced, the network structure was disturbed, and many bacteria invaded. Thus, sialylation mediates the negative charging of Muc2 and facilitates the formation of the mucin network structure, thereby inhibiting bacterial invasion in the colon to maintain gut homeostasis.
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Affiliation(s)
- Mugen Taniguchi
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; Infectious Diseases Unit, Department of Medical Innovations, New Drug Research Division, Otsuka Pharmaceutical Co., Ltd., Tokushima, Japan
| | - Ryu Okumura
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan; Institute for Open and Transdisciplinary Research Initiative, Osaka University, Osaka, Japan
| | - Takahisa Matsuzaki
- Center for Future Innovation, Graduate School of Engineering, Osaka University, Osaka, Japan; Department of Applied Physics, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Ayaka Nakatani
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; Department of Otorhinolaryngology-Head and Neck Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kei Sakaki
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Shota Okamoto
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Airi Ishibashi
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Haruka Tani
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan
| | - Momoka Horikiri
- Department of Applied Physics, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Naritaka Kobayashi
- Department of Electronic Systems Engineering, The University of Shiga Prefecture, Shiga, Japan
| | - Hiroshi Y Yoshikawa
- Department of Applied Physics, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Daisuke Motooka
- Institute for Open and Transdisciplinary Research Initiative, Osaka University, Osaka, Japan; Department of Infection Metagenomics, Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Daisuke Okuzaki
- WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan; Department of Infection Metagenomics, Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Shota Nakamura
- Department of Infection Metagenomics, Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Toshiyuki Kida
- Institute for Open and Transdisciplinary Research Initiative, Osaka University, Osaka, Japan; Department of Applied Chemistry, Graduate School of Engineering, Osaka University, Osaka, Japan
| | - Akihiko Kameyama
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Ibaraki, Japan
| | - Kiyoshi Takeda
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan; WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan; Institute for Open and Transdisciplinary Research Initiative, Osaka University, Osaka, Japan; Center for Infectious Disease Education and Research, Osaka University, Osaka, Japan.
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8
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Zsurka G, Appel MLT, Nastaly M, Hallmann K, Hansen N, Nass D, Baumgartner T, Surges R, Hartmann G, Bartok E, Kunz WS. Loss of the Immunomodulatory Transcription Factor BATF2 in Humans Is Associated with a Neurological Phenotype. Cells 2023; 12:227. [PMID: 36672163 PMCID: PMC9856319 DOI: 10.3390/cells12020227] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/21/2022] [Accepted: 12/31/2022] [Indexed: 01/06/2023] Open
Abstract
Epilepsy and mental retardation are known to be associated with pathogenic mutations in a broad range of genes that are expressed in the brain and have a role in neurodevelopment. Here, we report on a family with three affected individuals whose clinical symptoms closely resemble a neurodevelopmental disorder. Whole-exome sequencing identified a homozygous stop-gain mutation, p.Gln19*, in the BATF2 gene in the patients. The BATF2 transcription factor is predominantly expressed in macrophages and monocytes and has been reported to modulate AP-1 transcription factor-mediated pro-inflammatory responses. Transcriptome analysis showed altered base-level expression of interferon-stimulated genes in the patients' blood, typical for type I interferonopathies. Peripheral blood mononuclear cells from all three patients demonstrated elevated responses to innate immune stimuli, which could be reproduced in CRISPR-Cas9-generated BATF2-/- human monocytic cell lines. BATF2 is, therefore, a novel disease-associated gene candidate for severe epilepsy and mental retardation related to dysregulation of immune responses, which underscores the relevance of neuroinflammation for epilepsy.
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Affiliation(s)
- Gábor Zsurka
- Institute of Experimental Epileptology and Cognition Research, Medical Faculty, University of Bonn, 53127 Bonn, Germany
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
| | - Maximilian L. T. Appel
- Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University of Bonn, 53127 Bonn, Germany
- Institute of Experimental Haematology and Transfusion Medicine, Medical Faculty, University of Bonn, 53127 Bonn, Germany
| | - Maximilian Nastaly
- Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University of Bonn, 53127 Bonn, Germany
| | - Kerstin Hallmann
- Institute of Experimental Epileptology and Cognition Research, Medical Faculty, University of Bonn, 53127 Bonn, Germany
| | - Niels Hansen
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
| | - Daniel Nass
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
| | - Tobias Baumgartner
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
| | - Rainer Surges
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
| | - Gunther Hartmann
- Institute of Clinical Chemistry and Clinical Pharmacology, Medical Faculty, University of Bonn, 53127 Bonn, Germany
| | - Eva Bartok
- Institute of Experimental Haematology and Transfusion Medicine, Medical Faculty, University of Bonn, 53127 Bonn, Germany
- Unit of Experimental Immunology, Department of Biomedical Sciences, Institute of Tropical Medicine, 2000 Antwerp, Belgium
| | - Wolfram S. Kunz
- Institute of Experimental Epileptology and Cognition Research, Medical Faculty, University of Bonn, 53127 Bonn, Germany
- Department of Epileptology, University Hospital Bonn, 53127 Bonn, Germany
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9
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Li Z, Wang Z, Sun T, Liu S, Ding S, Sun L. Identifying key genes in CD4+ T cells of systemic lupus erythematosus by integrated bioinformatics analysis. Front Genet 2022; 13:941221. [PMID: 36046235 PMCID: PMC9420982 DOI: 10.3389/fgene.2022.941221] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 07/11/2022] [Indexed: 11/13/2022] Open
Abstract
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized by excessive activation of T and B lymphocytes and breakdown of immune tolerance to autoantigens. Despite several mechanisms including the genetic alterations and inflammatory responses have been reported, the overall signature genes in CD4+ T cells and how they affect the pathological process of SLE remain to be elucidated. This study aimed to identify the crucial genes, potential biological processes and pathways underlying SLE pathogenesis by integrated bioinformatics. The gene expression profiles of isolated peripheral CD4+ T cells from SLE patients with different disease activity and healthy controls (GSE97263) were analyzed, and 14 co-expression modules were identified using weighted gene co-expression network analysis (WGCNA). Some of these modules showed significantly positive or negative correlations with SLE disease activity, and primarily enriched in the regulation of type I interferon and immune responses. Next, combining time course sequencing (TCseq) with differentially expressed gene (DEG) analysis, crucial genes in lupus CD4+ T cells were revealed, including some interferon signature genes (ISGs). Among these genes, we identified 4 upregulated genes (PLSCR1, IFI35, BATF2 and CLDN5) and 2 downregulated genes (GDF7 and DERL3) as newfound key genes. The elevated genes showed close relationship with the SLE disease activity. In general, our study identified 6 novel biomarkers in CD4+ T cells that might contribute to the diagnosis and treatment of SLE.
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Affiliation(s)
- Zutong Li
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Zhilong Wang
- Department of Reproductive Medicine Center, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Tian Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Shanshan Liu
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
| | - Shuai Ding
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
- *Correspondence: Lingyun Sun, ; Shuai Ding,
| | - Lingyun Sun
- Department of Rheumatology and Immunology, The Affiliated Drum Tower Hospital of Nanjing University Medical School, Nanjing, China
- *Correspondence: Lingyun Sun, ; Shuai Ding,
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10
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STING inhibitor ameliorates LPS-induced ALI by preventing vascular endothelial cells-mediated immune cells chemotaxis and adhesion. Acta Pharmacol Sin 2022; 43:2055-2066. [PMID: 34907359 PMCID: PMC9343420 DOI: 10.1038/s41401-021-00813-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/01/2021] [Indexed: 02/08/2023] Open
Abstract
Acute lung injury (ALI) is a common and devastating clinical disorder featured by excessive inflammatory responses. Stimulator of interferon genes (STING) is an indispensable molecule for regulating inflammation and immune response in multiple diseases, but the role of STING in the ALI pathogenesis is not well elucidated. In this study, we explored the molecular mechanisms of STING in regulating lipopolysaccharide (LPS)-induced lung injury. Mice were pretreated with a STING inhibitor C-176 (15, 30 mg/kg, i.p.) before LPS inhalation to induce ALI. We showed that LPS inhalation significantly increased STING expression in the lung tissues, whereas C-176 pretreatment dose-dependently suppressed the expression of STING, decreased the production of inflammatory cytokines including TNF-α, IL-6, IL-12, and IL-1β, and restrained the expression of chemokines and adhesion molecule vascular cell adhesion protein-1 (VCAM-1) in the lung tissues. Consistently, in vitro experiments conducted in TNF-α-stimulated HMEC-1cells (common and classic vascular endothelial cells) revealed that human STING inhibitor H-151 or STING siRNA downregulated the expression levels of adhesion molecule and chemokines in HMEC-1cells, accompanied by decreased adhesive ability and chemotaxis of immunocytes upon TNF-α stimulation. We further revealed that STING inhibitor H-151 or STING knockdown significantly decreased the phosphorylation of transcription factor STAT1, which subsequently influenced its binding to chemokine CCL2 and adhesive molecule VCAM-1 gene promoter. Collectively, STING inhibitor can alleviate LPS-induced ALI in mice by preventing vascular endothelial cells-mediated immune cell chemotaxis and adhesion, suggesting that STING may be a promising therapeutic target for the treatment of ALI.
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11
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Nihei J, Cardillo F, Mengel J. The Blockade of Interleukin-2 During the Acute Phase of Trypanosoma cruzi Infection Reveals Its Dominant Regulatory Role. Front Cell Infect Microbiol 2021; 11:758273. [PMID: 34869064 PMCID: PMC8635756 DOI: 10.3389/fcimb.2021.758273] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Accepted: 10/29/2021] [Indexed: 11/16/2022] Open
Abstract
Trypanosoma cruzi infection causes Chagas’ disease in humans. The infection activates the innate and adaptative immunity in an orchestrated immune response to control parasite growth, guaranteeing host survival. Despite an effective immune response to the parasite in the acute phase, the infection progresses to a chronic stage. The parasite infects different tissues such as peripheral neurons, the brain, skeletal muscle, and heart muscle, among many others. It is evident now that tissue-specific immune responses may develop along with anti-parasite immunity. Therefore, mechanisms to regulate immunity and to ensure tissue-specific tolerance are operating during the infection. Studying those immunoregulatory mechanisms is fundamental to improve host protection or control inflammatory reactions that may lead to pathology. The role of IL-2 during T. cruzi infection is not established. IL-2 production by T cells is strongly down-modulated early in the disease by unknown mechanisms and remains low during the chronic phase of the disease. IL-2 activates NK cells, CD4, and CD8 T cells and may be necessary to immunity development. Also, the expansion and maintenance of regulatory T cells require IL-2. Thus, IL-2 may be a key cytokine involved in promoting or down-regulating immune responses, probably in a dose-dependent manner. This study blocked IL-2 during the acute T. cruzi infection by using a neutralizing monoclonal antibody. The results show that parasitemia and mortality rate was lower in animals treated with anti-IL-2. The percentages and total numbers of CD4+CD25+Foxp3+ T cells diminished within three weeks of infection. The numbers of splenic activated/memory CD4 and CD8 splenic T cells increased during the acute infection. T cells producing IFN-γ, TNF-α and IL-10 also augmented in anti-IL-2-treated infected mice. The IL-2 blockade also increased the numbers of inflammatory cells in the heart and skeletal muscles and the amount of IL-17 produced by heart T cells. These results suggest that IL-2 might be involved in the immune regulatory response during the acute T. cruzi infection, dampening T cell activation through the expansion/maintenance of regulatory T cells and regulating IL-17 production. Therefore, the IL-2 pathway is an attractive target for therapeutic purposes in acute and chronic phases of Chagas’ disease.
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Affiliation(s)
- Jorge Nihei
- Gonçalo Moniz Research Institute, Oswaldo Cruz Foundation (Fiocruz), Salvador, Brazil.,Center of Health Sciences, Federal University of Recôncavo da Bahia (UFRP), Santo Antonio de Jesus, Brazil
| | - Fabiola Cardillo
- Gonçalo Moniz Research Institute, Oswaldo Cruz Foundation (Fiocruz), Salvador, Brazil
| | - Jose Mengel
- Oswaldo Cruz Institute, Oswaldo Cruz Foundation (Fiocruz), Rio de Janeiro, Brazil.,Petropolis Medical School, University Faculties Arthur Sa Earp Neto (FMP/UNIFASE), Petropolis, Brazil
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12
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Qi X, Wang XQ, Jin L, Gao LX, Guo HF. Uncovering potential single nucleotide polymorphisms, copy number variations and related signaling pathways in primary Sjogren's syndrome. Bioengineered 2021; 12:9313-9331. [PMID: 34723755 PMCID: PMC8809958 DOI: 10.1080/21655979.2021.2000245] [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] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
Primary Sjogren’s syndrome (pSS) is a complex systemic autoimmune disease, which is difficult to accurately diagnose due to symptom diversity in patients, especially at earlier stages. We tried to find potential single nucleotide polymorphisms (SNPs), copy number variations (CNVs) and related signaling pathways. Genomic DNA was extracted from peripheral blood of 12 individuals (7 individuals from 3 pSS pedigrees and 5 sporadic cases) for whole-exome sequencing (WES) analysis. SNPs and CNVs were identified, followed by functional annotation of genes with SNPs and CNVs. Gene expression profile (involving 64 normal controls and 166 cases) was downloaded from the Gene Expression Omnibus database (GEO) dataset for differentially expression analysis. Sanger sequencing and in vitro validation was used to validate the identified SNPs and differentially expressed genes, respectively. A total of 5 SNPs were identified in both pedigrees and sporadic cases, such as FES, PPM1J, and TRAPPC9. A total of 3402 and 19 CNVs were identified in pedigrees and sporadic cases, respectively. Fifty-one differentially expressed genes were associated with immunity, such as BATF3, LAP3, BATF2, PARP9, and IL15RA. AMPK signaling pathway and cell adhesion molecules (CAMs) were the most significantly enriched signaling pathways of identified SNPs. Identified CNVs were associated with systemic lupus erythematosus, mineral absorption, and HTLV-I infection. IL2-STAT5 signaling, interferon-gamma response, and interferon-alpha response were significantly enriched immune related signaling pathways of identified differentially expressed genes. In conclusion, our study found some potential SNPs, CNVs, and related signaling pathways, which could be useful in understanding the pathological mechanism of pSS.
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Affiliation(s)
- Xuan Qi
- Department of Rheumatism and Immunology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Xi-Qin Wang
- Internal Medicine, Yuhua Yunfang Integrated Traditional Chinese and Western Medicine Clinic, Shijiazhuang, Hebei, China
| | - Lu Jin
- Department of Rheumatism and Immunology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Li-Xia Gao
- Department of Rheumatism and Immunology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
| | - Hui-Fang Guo
- Department of Rheumatism and Immunology, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China
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13
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Casares-Marfil D, Strauss M, Bosch-Nicolau P, Lo Presti MS, Molina I, Chevillard C, Cunha-Neto E, Sabino E, Ribeiro ALP, González CI, Martín J, Acosta-Herrera M. A Genome-Wide Association Study Identifies Novel Susceptibility loci in Chronic Chagas Cardiomyopathy. Clin Infect Dis 2021; 73:672-679. [PMID: 33539531 DOI: 10.1093/cid/ciab090] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 02/01/2021] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Chagas disease is an infectious disease caused by the parasite Trypanosoma cruzi and is endemic from Latin American countries. The goal of our study was to identify novel genetic loci associated with chronic Chagas cardiomyopathy development in Chagas disease patients from different Latin American populations. METHODS We performed a cross-sectional, nested case-control study including 3 sample collections from Colombia, Argentina, and Bolivia. Samples were genotyped to conduct a genome-wide association study (GWAS). These results were meta-analyzed with summary statistic data from Brazil, gathering a total of 3413 Chagas disease patients. To identify the functional impact of the associated variant and its proxies, we performed an in silico analysis of this region. RESULTS The meta-analysis revealed a novel genome-wide statistically significant association with chronic Chagas cardiomyopathy development in rs2458298 (OR = 0.90, 95%CI = 0.87-0.94, P-value = 3.27 × 10-08), nearby the SAC3D1 gene. In addition, further in silico analyses displayed functional relationships between the associated variant and the SNX15, BAFT2, and FERMT3 genes, related to cardiovascular traits. CONCLUSIONS Our findings support the role of the host genetic factors in the susceptibility to the development of the chronic cardiac form of this neglected disease.
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Affiliation(s)
| | - Mariana Strauss
- Centro de Estudios e Investigación de la Enfermedad de Chagas y Leishmaniasis, FCM, INICSA-CONICET-UNC, Córdoba, Argentina
| | - Pau Bosch-Nicolau
- Unidad de Medicina Tropical y Salud Internacional Hospital Universitari Vall d'Hebron, PROSICS, Barcelona, Spain
| | - María Silvina Lo Presti
- Centro de Estudios e Investigación de la Enfermedad de Chagas y Leishmaniasis, FCM, INICSA-CONICET-UNC, Córdoba, Argentina
| | - Israel Molina
- Unidad de Medicina Tropical y Salud Internacional Hospital Universitari Vall d'Hebron, PROSICS, Barcelona, Spain
| | | | - Edecio Cunha-Neto
- Laboratory of Immunology, Heart Institute (InCor)/Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Ester Sabino
- Instituto de Medicina Tropical Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Antonio Luiz P Ribeiro
- Centro de Telessaúde, Hospital das Clínicas, Belo Horizonte, Brazil.,Departamento de Clínica Médica, Faculdade de Medicina, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil
| | - Clara Isabel González
- Grupo de Inmunología y Epidemiología Molecular, Escuela de Microbiología, Universidad Industrial de Santander, Bucaramanga, Colombia
| | - Javier Martín
- Instituto de Parasitología y Biomedicina López-Neyra, CSIC, Granada, Spain
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14
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Choudhuri S, Rios L, Vázquez-Chagoyán JC, Garg NJ. Oxidative stress implications for therapeutic vaccine development against Chagas disease. Expert Rev Vaccines 2021; 20:1395-1406. [PMID: 34406892 DOI: 10.1080/14760584.2021.1969230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Pathogenesis of Chagas disease (CD) caused by the protozoan parasite Trypanosoma cruzi (T. cruzi) involves chronic oxidative and inflammatory stress. In this review, we discuss the research efforts in therapeutic vaccine development to date and the potential challenges imposed by oxidative stress in achieving an efficient therapeutic vaccine against CD. AREAS COVERED This review covers the immune and nonimmune mechanisms of reactive oxygen species production and immune response patterns during T. cruzi infection in CD. A discussion on immunotherapy development efforts, the efficacy of antigen-based immune therapies against T. cruzi, and the role of antioxidants as adjuvants is discussed to provide promising insights to developing future treatment strategies against CD. EXPERT OPINION Administration of therapeutic vaccines can be a good option to confront persistent parasitemia in CD by achieving a rapid, short-lived stimulation of type 1 cell-mediated immunity. At the same time, adjunct therapies could play a critical role in the preservation of mitochondrial metabolism and cardiac muscle contractility in CD. We propose combined therapy with antigen-based vaccine and small molecules to control the pathological oxidative insult would be effective in the conservation of cardiac structure and function in CD.
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Affiliation(s)
- Subhadip Choudhuri
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Lizette Rios
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA
| | - Juan Carlos Vázquez-Chagoyán
- Centro de Investigación y Estudios Avanzados En Salud Animal, Facultad de Medicina Veterinaria y Zootecnia, Universidad Autónoma del Estado de México, Toluca, México
| | - Nisha Jain Garg
- Department of Microbiology & Immunology, University of Texas Medical Branch, Galveston, TX, USA.,Institute for Human Infections and Immunity, University of Texas Medical Branch, Galveston, Tx, USA
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15
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Hemed-Shaked M, Cowman MK, Kim JR, Huang X, Chau E, Ovadia H, Amar KO, Eshkar-Sebban L, Melamed M, Lev LB, Kedar E, Armengol J, Alemany J, Beyth S, Okon E, Kanduc D, Elgavish S, Wallach-Dayan SB, Cohen SJ, Naor D. MTADV 5-MER peptide suppresses chronic inflammations as well as autoimmune pathologies and unveils a new potential target-Serum Amyloid A. J Autoimmun 2021; 124:102713. [PMID: 34390919 DOI: 10.1016/j.jaut.2021.102713] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 07/21/2021] [Accepted: 07/24/2021] [Indexed: 11/17/2022]
Abstract
Despite the existence of potent anti-inflammatory biological drugs e.g., anti-TNF and anti IL-6 receptor antibodies, for treating chronic inflammatory and autoimmune diseases, these are costly and not specific. Cheaper oral available drugs remain an unmet need. Expression of the acute phase protein Serum Amyloid A (SAA) is dependent on release of pro-inflammatory cytokines IL-1, IL-6 and TNF-α during inflammation. Conversely, SAA induces pro-inflammatory cytokine secretion, including Th17, leading to a pathogenic vicious cycle and chronic inflammation. 5- MER peptide (5-MP) MTADV (methionine-threonine-alanine-aspartic acid-valine), also called Amilo-5MER, was originally derived from a sequence of a pro-inflammatory CD44 variant isolated from synovial fluid of a Rheumatoid Arthritis (RA) patient. This human peptide displays an efficient anti-inflammatory effects to ameliorate pathology and clinical symptoms in mouse models of RA, Inflammatory Bowel Disease (IBD) and Multiple Sclerosis (MS). Bioinformatics and qRT-PCR revealed that 5-MP, administrated to encephalomyelytic mice, up-regulates genes contributing to chronic inflammation resistance. Mass spectrometry of proteins that were pulled down from an RA synovial cell extract with biotinylated 5-MP, showed that it binds SAA. 5-MP disrupted SAA assembly, which is correlated with its pro-inflammatory activity. The peptide MTADV (but not scrambled TMVAD) significantly inhibited the release of pro-inflammatory cytokines IL-6 and IL-1β from SAA-activated human fibroblasts, THP-1 monocytes and peripheral blood mononuclear cells. 5-MP suppresses the pro-inflammatory IL-6 release from SAA-activated cells, but not from non-activated cells. 5-MP could not display therapeutic activity in rats, which are SAA deficient, but does inhibit inflammations in animal models of IBD and MS, both are SAA-dependent, as shown by others in SAA knockout mice. In conclusion, 5-MP suppresses chronic inflammation in animal models of RA, IBD and MS, which are SAA-dependent, but not in animal models, which are SAA-independent.
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Affiliation(s)
- Maayan Hemed-Shaked
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - Mary K Cowman
- Department of Biomedical Engineering, Tandon School of Engineering, New York University, New York, NY, USA
| | - Jin Ryoun Kim
- Othmer-Jacobs Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, Brooklyn, USA
| | - Xiayun Huang
- Othmer-Jacobs Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, Brooklyn, USA
| | - Edward Chau
- Othmer-Jacobs Department of Chemical and Biomolecular Engineering, Tandon School of Engineering, Brooklyn, USA
| | - Haim Ovadia
- Department of Neurology, Agnes Ginges Center for Human Neurogenetics, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Keren-Or Amar
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - Lora Eshkar-Sebban
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - Michal Melamed
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - Libat Bar Lev
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - Eli Kedar
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | | | | | - Shaul Beyth
- Orthopedic Surgery Department, Hadassah University Hospital, Jerusalem, Israel
| | - Eli Okon
- Department of Pathology, Hadassah University Hospital, Jerusalem, Israel
| | - Darja Kanduc
- Biotechnologies and Biopharmaceutics, University of Bari, Bari, 70126, Italy
| | - Sharona Elgavish
- Bioinformatics Unit of the Hebrew University of Jerusalem and Hadassah Medical Center, Israel
| | - Shulamit B Wallach-Dayan
- Lung Cellular and Molecular Biology Laboratory, Institute of Pulmonary Medicine, Hadassah-Hebrew University Medical Center, Israel
| | - Shmuel Jaffe Cohen
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel
| | - David Naor
- The Lautenberg Center of Immunology and Cancer Research, Faculty of Medicine, Hebrew University of Jerusalem, Israel.
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16
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Hu Y, Gu J, Wang Y, Lin J, Yu H, Yang F, Wu S, Yin J, Lv H, Ji X, Wang S. Promotion Effect of EGCG on the Raised Expression of IL-23 through the Signaling of STAT3-BATF2-c-JUN/ATF2. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:7898-7909. [PMID: 34227806 DOI: 10.1021/acs.jafc.1c02433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Tea polyphenol of epigallocatechin-3-gallate (EGCG) has been verified to possess multiple biological activities. Interleukin-23 (IL-23) is a heterodimeric cytokine consisting of two subunits of IL-23p19 and IL-12p40, with the functionality in regulating the production of cytokines under physiological or pathological conditions. By serendipity, the raised expression of IL-23 was observed after treating cells with EGCG, whereas the detailed mechanism remains poorly understood. This study was proposed to investigate the signaling related to EGCG-induced IL-23. The raised expression of IL-23 was confirmed primarily by intraperitoneally injecting with different concentrations of EGCG (0, 20, 50, 80 mg/kg) into BALB/c mice, and the raised expression was confirmed by quantitative real-time polymerase chain reaction (qRT-PCR) and western blot. Results from enzyme-linked immunosorbent assay (ELISA) revealed the increase of IL-23 in serum from 116.09 to 153.90 pg/mL after treating with EGCG. The same results were also observed in RAW264.7 and peritoneal macrophages after treating with EGCG (0, 1, 5, 10, 25 μM) with the increased tendency of IL-23 in cultural medium (7.98 to 25.38 pg/mL for RAW264.7; 3.64 to 260.93 pg/mL for peritoneal macrophages). After preliminary exploration of the signaling related to the increased IL-23, the classical signaling pathways and key transcription factors, such as nuclear factor kappa-B (NF-κB), mitogen-activated protein kinase (MAPK) signaling pathways, and interferon regulatory factor 5 (IRF5), were demonstrated with no relevant contribution. A further study revealed the involvement of the key transcription factor of BATF2, which could antagonistically modulate the transcription and translation of IL-23. The signaling of STAT3-BATF2-c-JUN/ATF2-IL-23 has been further verified in RAW264.7 macrophages using the STAT3 inhibitor of AG490 and the activator of Colivelin TFA. The results indicated that EGCG inhibits the phosphorylation of STAT3 to facilitate the decreased level of BATF2, which contributed to the increased level of IL-23 by the enhancing heterodimerization of c-JUN and ATF2.
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Affiliation(s)
- Yaozhong Hu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Jiaxin Gu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Yi Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Jing Lin
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Huaning Yu
- Guangdong Midea Kitchen Appliances Manufacturing Co., Ltd, Guangdong 528000, China
| | - Feier Yang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Sihao Wu
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Jia Yin
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Huan Lv
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Xuemeng Ji
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
| | - Shuo Wang
- Tianjin Key Laboratory of Food Science and Health, School of Medicine, Nankai University, Tianjin 300071, China
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17
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Zhou A, Dong X, Liu M, Tang B. Comprehensive Transcriptomic Analysis Identifies Novel Antiviral Factors Against Influenza A Virus Infection. Front Immunol 2021; 12:632798. [PMID: 34367124 PMCID: PMC8337049 DOI: 10.3389/fimmu.2021.632798] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Accepted: 06/04/2021] [Indexed: 12/21/2022] Open
Abstract
Influenza A virus (IAV) has a higher genetic variation, leading to the poor efficiency of traditional vaccine and antiviral strategies targeting viral proteins. Therefore, developing broad-spectrum antiviral treatments is particularly important. Host responses to IAV infection provide a promising approach to identify antiviral factors involved in virus infection as potential molecular drug targets. In this study, in order to better illustrate the molecular mechanism of host responses to IAV and develop broad-spectrum antiviral drugs, we systematically analyzed mRNA expression profiles of host genes in a variety of human cells, including transformed and primary epithelial cells infected with different subtypes of IAV by mining 35 microarray datasets from the GEO database. The transcriptomic results showed that IAV infection resulted in the difference in expression of amounts of host genes in all cell types, especially those genes participating in immune defense and antiviral response. In addition, following the criteria of P<0.05 and |logFC|≥1.5, we found that some difference expression genes were overlapped in different cell types under IAV infection via integrative gene network analysis. IFI6, IFIT2, ISG15, HERC5, RSAD2, GBP1, IFIT3, IFITM1, LAMP3, USP18, and CXCL10 might act as key antiviral factors in alveolar basal epithelial cells against IAV infection, while BATF2, CXCL10, IFI44L, IL6, and OAS2 played important roles in airway epithelial cells in response to different subtypes of IAV infection. Additionally, we also revealed that some overlaps (BATF2, IFI44L, IFI44, HERC5, CXCL10, OAS2, IFIT3, USP18, OAS1, IFIT2) were commonly upregulated in human primary epithelial cells infected with high or low pathogenicity IAV. Moreover, there were similar defense responses activated by IAV infection, including the interferon-regulated signaling pathway in different phagocyte types, although the differentially expressed genes in different phagocyte types showed a great difference. Taken together, our findings will help better understand the fundamental patterns of molecular responses induced by highly or lowly pathogenic IAV, and the overlapped genes upregulated by IAV in different cell types may act as early detection markers or broad-spectrum antiviral targets.
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Affiliation(s)
- Ao Zhou
- College of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China.,Basic Medical College, Southwest Medical University, Luzhou, China
| | - Xia Dong
- College of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Mengyun Liu
- College of Animal Science and Nutritional Engineering, Wuhan Polytechnic University, Wuhan, China
| | - Bin Tang
- Basic Medical College, Southwest Medical University, Luzhou, China.,Key Lab of Process Analysis and Control of Sichuan Universities, Yibin University, Yibin, China
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18
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Li C, Liu M, Liu K, Li M, Liu Y, Li T, Wei Y, Long Y, He W, Shi X, Li Y, Zhang H. BATF2 balances the T cell-mediated immune response of CADM with an anti-MDA5 autoantibody. Biochem Biophys Res Commun 2021; 551:155-160. [PMID: 33740622 DOI: 10.1016/j.bbrc.2021.02.128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 02/24/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Clinically amyopathic dermatomyositis (CADM) is a subtype of dermatomyositis (DM) characterized by low-grade or absent muscle inflammation but frequent and rapidly progressive interstitial lung disease (RP-ILD) and skin ulcers with anti-melanoma differentiation-associated gene 5 (anti-MDA5) autoantibodies. Basic leucine zipper transcription factor ATF-like 2 (BATF2) is thought to function as an inhibitor of tumours and inflammation. Here, we aimed to investigate the roles of BATF2 in Th cell differentiation of CADM with an anti-MDA5 autoantibody (anti-MDA5+ CADM). METHODS Naive CD4+ T cells from human peripheral blood mononuclear cells (PBMCs) of healthy controls (HCs) were isolated and then cultured with IL-12, TGF-β or TGF-β plus IL-6 following anti-CD3 and anti-CD28 stimulations. The expression of BATF2 was measured by real-time PCR. The percentages of Th1, Th17 and Treg CD4+ T cells were detected by flow cytometry. BATF2 knockdown of CD4+ T cells was performed using small interfering RNAs (siRNAs). RESULTS The expression of BATF2 in PBMCs was higher in anti-MDA5+ CADM patients than in healthy controls. The BATF2 mRNA expression was increased under Th1 and Treg polarization but decreased under Th17 polarization. Th17 cell activation-associated genes were possibly increased while Th1 and Treg cell differentiation-associated genes were inhibited by posttranscriptional gene silencing of BATF2 in CD4+ T cells. CONCLUSIONS BATF2 promoted Th1 and Treg cell differentiation but suppressed Th17 cell activation in anti-MDA5+ CADM.
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Affiliation(s)
- Caiyan Li
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China; Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Meidong Liu
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Ke Liu
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Muyuan Li
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China; Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Yanjuan Liu
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Tao Li
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Yu Wei
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China.
| | - Ying Long
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China.
| | - Weijia He
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China.
| | - Xueyan Shi
- Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
| | - Yisha Li
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China.
| | - Huali Zhang
- Department of Rheumatology, Xiangya Hospital, Central South University, Changsha City, Hunan Province, China; Department of Pathophysiology, School of Basic Medicine Science, Central South University, Changsha City, Hunan Province, China; Sepsis Translational Medicine Key Lab of Hunan Province, Central South University, Changsha City, Hunan Province, China.
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19
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Dissanayake TK, Schäuble S, Mirhakkak MH, Wu WL, Ng ACK, Yip CCY, López AG, Wolf T, Yeung ML, Chan KH, Yuen KY, Panagiotou G, To KKW. Comparative Transcriptomic Analysis of Rhinovirus and Influenza Virus Infection. Front Microbiol 2020; 11:1580. [PMID: 32849329 PMCID: PMC7396524 DOI: 10.3389/fmicb.2020.01580] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 06/17/2020] [Indexed: 12/15/2022] Open
Abstract
Rhinovirus (RV) and influenza virus are the most frequently detected respiratory viruses among adult patients with community acquired pneumonia. Previous clinical studies have identified major differences in the clinical presentations and inflammatory or immune response during these infections. A systematic transcriptomic analysis directly comparing influenza and RV is lacking. Here, we sought to compare the transcriptomic response to these viral infections. Human airway epithelial Calu-3 cells were infected with contemporary clinical isolates of RV, influenza A virus (IAV), or influenza B virus (IBV). Host gene expression was determined using RNA-seq. Differentially expressed genes (DEGs) with respect to mock-infected cells were identified using the overlapping gene-set of four different statistical models. Transcriptomic analysis showed that RV-infected cells have a more blunted host response with fewer DEGs than IAV or IBV-infected cells. IFNL1 and CXCL10 were among the most upregulated DEGs during RV, IAV, and IBV infection. Other DEGs that were highly expressed for all 3 viruses were mainly genes related to type I or type III interferons (RSAD2, IDO1) and chemokines (CXCL11). Notably, ICAM5, a known receptor for enterovirus D68, was highly expressed during RV infection only. Gene Set Enrichment Analysis (GSEA) confirmed that pathways associated with interferon response, innate immunity, or regulation of inflammatory response, were most perturbed for all three viruses. Network analysis showed that steroid-related pathways were enriched. Taken together, our data using contemporary virus strains suggests that genes related to interferon and chemokine predominated the host response associated with RV, IAV, and IBV infection. Several highly expressed genes, especially ICAM5 which is preferentially-induced during RV infection, deserve further investigation.
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Affiliation(s)
| | - Sascha Schäuble
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany
| | - Mohammad Hassan Mirhakkak
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany
| | - Wai-Lan Wu
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Anthony Chin-Ki Ng
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Cyril C Y Yip
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Albert García López
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany
| | - Thomas Wolf
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany
| | - Man-Lung Yeung
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,State Key Laboratory for Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,Department of Clinical Microbiology and Infection Control, The University of Hong Kong, Hong Kong, China.,Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, China
| | - Kwok-Hung Chan
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China
| | - Kwok-Yung Yuen
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,State Key Laboratory for Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,Department of Clinical Microbiology and Infection Control, The University of Hong Kong, Hong Kong, China.,Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, China
| | - Gianni Panagiotou
- Systems Biology and Bioinformatics Unit, Leibniz Institute for Natural Product Research and Infection Biology - Hans Knöll Institute, Jena, Germany.,Systems Biology and Bioinformatics Group, School of Biological Sciences, Faculty of Sciences, The University of Hong Kong, Hong Kong, China
| | - Kelvin Kai-Wang To
- Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,State Key Laboratory for Emerging Infectious Diseases, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong, China.,Department of Clinical Microbiology and Infection Control, The University of Hong Kong, Hong Kong, China.,Carol Yu Centre for Infection, The University of Hong Kong, Hong Kong, China
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20
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Mendonça AAS, Gonçalves-Santos E, Souza-Silva TG, González-Lozano KJ, Caldas IS, Gonçalves RV, Diniz LF, Novaes RD. Thioridazine aggravates skeletal myositis, systemic and liver inflammation in Trypanosoma cruzi-infected and benznidazole-treated mice. Int Immunopharmacol 2020; 85:106611. [PMID: 32447223 DOI: 10.1016/j.intimp.2020.106611] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 12/27/2022]
Abstract
While thioridazine (Tio) inhibits the antioxidant defenses of Trypanosoma cruzi, the gold standard antitrypanosomal drug benznidazole (Bz) has potent anti-inflammatory and pro-oxidant properties. The combination of these drugs has never been tested to determine the effect on T. cruzi infection. Thus, we compared the impact of Tio and Bz, administered alone and in combination, on the development of skeletal myositis and liver inflammation in T. cruzi-infected mice. Swiss mice were randomized into six groups: uninfected untreated, infected untreated, treated with Tio (80 mg/kg) alone, Bz (50 or 100 mg/kg) alone, or a combination of Tio and Bz. Infected animals were inoculated with a virulent T. cruzi strain (Y) and treated by gavage for 20 days. Mice untreated or treated with Tio alone developed the most intense parasitemia, highest parasitic load, elevated IL-10, IL-17, IFN-γ, and TNF-α plasma levels, increased N-acetylglucosaminidase and myeloperoxidase activity in the liver and skeletal muscle, as well as severe myositis and liver inflammation (P < 0.05). All parameters were markedly attenuated in animals receiving Bz alone (P < 0.05). However, the co-administration of Tio impaired the response to Bz chemotherapy, causing a decrease in parasitological control (parasitemia and parasite load), skeletal muscle and liver inflammation, and increased microstructural damage, when compared to the group receiving Bz alone (P < 0.05). Altogether, our findings indicated that Tio aggravates systemic inflammation, skeletal myositis and hepatic inflammatory damage in T. cruzi-infected mice. By antagonizing the antiparasitic potential of Bz, Tio limits the anti-inflammatory, myoprotectant and hepatoprotective effects of the reference chemotherapy, aggravating the pathological remodeling of both organs. As the interaction of T. cruzi infection, Bz and Tio is potentially toxic to the liver, inducing inflammation and microvesicular steatosis; this drug combination represents a worrying pharmacological risk factor in Chagas disease.
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Affiliation(s)
- Andréa A S Mendonça
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Structural Biology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Elda Gonçalves-Santos
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Structural Biology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Thaiany G Souza-Silva
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Structural Biology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Kelly J González-Lozano
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Pathology and Parasitology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Ivo S Caldas
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Pathology and Parasitology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Reggiani V Gonçalves
- Department of Animal Biology, Federal University of Viçosa, Viçosa 36570-000, Minas Gerais, Brazil
| | - Lívia F Diniz
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Pathology and Parasitology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil
| | - Rômulo D Novaes
- Institute of Biomedical Sciences, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil; Department of Structural Biology, Federal University of Alfenas, Alfenas 37130-001, Minas Gerais, Brazil.
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21
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Amezcua Vesely MC, Rodríguez C, Gruppi A, Acosta Rodríguez EV. Interleukin-17 mediated immunity during infections with Trypanosoma cruzi and other protozoans. Biochim Biophys Acta Mol Basis Dis 2020; 1866:165706. [PMID: 31987839 PMCID: PMC7071987 DOI: 10.1016/j.bbadis.2020.165706] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Revised: 12/05/2019] [Accepted: 01/22/2020] [Indexed: 12/31/2022]
Abstract
Host resistance during infection with Trypanosoma cruzi, and other protozoans, is dependent on a balanced immune response. Robust immunity against these pathogens requires of the concerted action of many innate and adaptive cell populations including macrophages, neutrophils, dendritic cells, CD4+, and CD8+ T cells and B cells among others. Indeed, during most protozoan infections only a balanced production of inflammatory (TH1) and anti-inflammatory (TH2/regulatory) cytokines will allow the control of parasite spreading without compromising host tissue integrity. The description of TH17 cells, a novel effector helper T cell lineage that produced IL-17 as signature cytokine, prompted the revision of our knowledge about the mechanisms that mediate protection and immunopathology during protozoan infections. In this manuscript we discuss the general features of IL-17 mediated immune responses as well as the cellular sources, effector mechanisms and overall role of IL-17 in the immune response to T. cruzi and other protozoan infections.
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Affiliation(s)
- María Carolina Amezcua Vesely
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI)-CONICET, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina
| | - Constanza Rodríguez
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI)-CONICET, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina
| | - Adriana Gruppi
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI)-CONICET, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina
| | - Eva Virginia Acosta Rodríguez
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI)-CONICET, Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Argentina.
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22
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Wu Y, Wu B, Zhang Z, Lu H, Fan C, Qi Q, Gao Y, Li H, Feng C, Zuo J, Tang W. Heme protects intestinal mucosal barrier in DSS-induced colitis through regulating macrophage polarization in both HO-1-dependent and HO-1-independent way. FASEB J 2020; 34:8028-8043. [PMID: 32301543 DOI: 10.1096/fj.202000313rr] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Revised: 03/29/2020] [Accepted: 03/30/2020] [Indexed: 12/26/2022]
Abstract
Hemoglobin-derived heme was reported to play protective roles in hemorrhagic diseases by modulating the macrophages toward recovery. Mucosal bleeding is one of the pathological features of inflammatory bowel diseases (IBD). However, whether heme provides anti-inflammatory profiles in macrophages, thus contributing to the intestinal mucosal barrier protection, is unclear. In the current study, we investigated the beneficial effects of heme on DSS-induced colitis mice and explored the underlying mechanisms. In vivo, systemic heme supplementation by hemin injection relieved intestinal inflammation and remedied intestinal mucosal barrier damage by correcting abnormal intestinal macrophage polarization. In vitro, we confirmed the reciprocally regulating effects of hemin on M1/M2 macrophage polarization in BMDM. Intriguingly, with knockdown of HO-1, the inhibiting effects of hemin on M1 polarization were maintained, while the promoting effects on M2 polarization were reversed. Further research proved that hemin repressed the inflammatory profiles in macrophages through inhibiting the translocation of NF-κB p65 by disrupting IRF5-NF-κB p65 complex formation in Spi-C-dependent way. In conclusion, these results showed that the modification of colon tissue microenvironment with heme supplementation plays a protective role in DSS-induced colitis mice through regulating the macrophage polarization in both HO-1-dependent and HO-1-independent way, indicating a new choice to therapeutically modulate the macrophage function and prevent IBD.
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Affiliation(s)
- Yanwei Wu
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Bing Wu
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China
| | - Zongwang Zhang
- School of Life Sciences, Shanghai University, Shanghai, China
| | - Huimin Lu
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China
| | - Chen Fan
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Qing Qi
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Yuanzhuo Gao
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China
| | - Heng Li
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China
| | - Chunlan Feng
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Jianping Zuo
- School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China.,Laboratory of Immunopharmacology, State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China
| | - Wei Tang
- Laboratory of Anti-inflammation, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, Shanghai, China.,School of Pharmacy, University of Chinese Academy of Sciences, Beijing, China
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23
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Kayama H, Tani H, Kitada S, Opasawatchai A, Okumura R, Motooka D, Nakamura S, Takeda K. BATF2 prevents T-cell-mediated intestinal inflammation through regulation of the IL-23/IL-17 pathway. Int Immunol 2020; 31:371-383. [PMID: 30753547 PMCID: PMC6528702 DOI: 10.1093/intimm/dxz014] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 02/19/2019] [Indexed: 12/15/2022] Open
Abstract
Inappropriate activation of the IL-23 signaling pathway causes chronic inflammation through the induction of immunopathological Th17 cells in several tissues including the intestine, whereas adequate Th17 responses are essential for host defense against harmful organisms. In the intestinal lamina propria, IL-23 is primarily produced by innate myeloid cells including dendritic cells (DCs) and macrophages (Mϕs). However, the molecular mechanisms underlying the regulation of IL-23 production by these cells remains poorly understood. In this study, we demonstrated that BATF2 regulates intestinal homeostasis by inhibiting IL-23-driven T-cell responses. Batf2 was highly expressed in intestinal innate myeloid subsets, such as monocytes, CD11b+ CD64+ Mϕs and CD103+ DCs. Batf2-/- mice spontaneously developed colitis and ileitis with altered microbiota composition. In this context, IL-23, but not TNF-α and IL-10, was produced in high quantities by intestinal CD11b+ CD64+ Mϕs from Batf2-/- mice compared with wild-type mice. Moreover, increased numbers of IFN-γ+, IL-17+ and IFN-γ+ IL-17+ CD4+ T cells, but not IL-10+ CD4+ T cells, accumulated in the colons and small intestines of Batf2-/- mice. In addition, RORγt-expressing innate lymphoid cells were increased in Batf2-/- mice. Batf2-/-Rag2-/- mice showed a reduction in intestinal inflammation present in Batf2-/- mice. Furthermore, the high numbers of intestinal IL-17+ and IFN-γ+ IL-17+ CD4+ T cells were markedly reduced in Batf2-/- mice when introducing Il23a deficiency, which was associated with the abrogation of intestinal inflammation. These results indicated that BATF2 in innate myeloid cells is a key molecule for the suppression of IL-23/IL-17 pathway-mediated adaptive intestinal pathology.
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Affiliation(s)
- Hisako Kayama
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Haruka Tani
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Shoko Kitada
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Anunya Opasawatchai
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Ryu Okumura
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Daisuke Motooka
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan
| | - Shota Nakamura
- Genome Information Research Center, Research Institute for Microbial Diseases, Osaka University, Osaka, Japan.,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan
| | - Kiyoshi Takeda
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan.,Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan
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24
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Zhang W, Dai L, Li X, Li Y, Hung Yap MK, Liu L, Deng H. SARI prevents ocular angiogenesis and inflammation in mice. J Cell Mol Med 2020; 24:4341-4349. [PMID: 32119762 PMCID: PMC7171405 DOI: 10.1111/jcmm.15096] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 10/22/2019] [Accepted: 11/26/2019] [Indexed: 02/05/2023] Open
Abstract
SARI (Suppressor of AP‐1, regulated by IFN‐β) is known to play an important role in some systemic disease processes such an inflammatory conditions and cancer. We hypothesize that SARI may also play a role in ocular diseases involving inflammation and neovascularization. To explore our hypothesis, further, we investigated an endotoxin‐induced uveitis (EIU) and experimental argon laser‐induced choroidal neovascularization (CNV) model in SARI wild‐type (SARIWT) and SARI‐deficient (SARI−/−) mice. Through imaging, morphological and immunohistochemical (IHC) studies, we found that SARI deficiency exacerbated the growth of CNV. More VEGF‐positive cells were presented in the retina of SARI−/− mice with CNV. Compared to SARIWT mice, more inflammatory cells infiltrated the ocular anterior segment and posterior segments in SARI−/− mice with EIU. Collectively, the results point to a potential dual functional role of SARI in inflammatory ocular diseases, suggesting that SARI could be a potential therapy target for ocular inflammation and neovascularization.
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Affiliation(s)
- Wenqiu Zhang
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China.,Research Laboratory of Ophthalmology and Vision Sciences, West China Hospital, Sichuan University, Chengdu, China.,Department of Optometry and Visual Science, West China Hospital, Sichuan University, Chengdu, China
| | - Lei Dai
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | - Xun Li
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China.,Research Laboratory of Ophthalmology and Vision Sciences, West China Hospital, Sichuan University, Chengdu, China
| | - Yiming Li
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
| | | | - Longqian Liu
- Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu, China.,Department of Optometry and Visual Science, West China Hospital, Sichuan University, Chengdu, China
| | - Hongxin Deng
- State Key Laboratory of Biotherapy/Collaborative Innovation Center for Biotherapy, West China Hospital, Sichuan University, Chengdu, China
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25
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Vásquez Velásquez C, Russomando G, Espínola EE, Sanchez Z, Mochizuki K, Roca Y, Revollo J, Guzman A, Quiroga B, Rios Morgan S, Vargas Ortiz R, Zambrana Ortega A, Espinoza E, Nishizawa JE, Kamel MG, Kikuchi M, Mizukami S, Na-Bangchang K, Tien Huy N, Hirayama K. IL-17A, a possible biomarker for the evaluation of treatment response in Trypanosoma cruzi infected children: A 12-months follow-up study in Bolivia. PLoS Negl Trop Dis 2019; 13:e0007715. [PMID: 31553732 PMCID: PMC6760767 DOI: 10.1371/journal.pntd.0007715] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2019] [Accepted: 08/16/2019] [Indexed: 12/14/2022] Open
Abstract
Background The National Program for Chagas disease was implemented in Bolivia in 2006, and it greatly decreased the number of infections through vector control. Subsequently, a treatment regimen of benznidazole (BNZ) was started in seropositive school-age children living in certified vector control areas. Methods and findings We conducted a 12-month follow-up study and seven blood samples were taken during and after the treatment. Serology, conventional diagnostic PCR (cPCR) and quantitative Real-time PCR (qPCR) were performed. Plasma Th1/Th2/Th17 cytokines levels were also determined. Approximately 73 of 103 seropositive children complied with BNZ, with three interruptions due to side effects. To evaluate each individual’s treatment efficacy, the cPCR and qPCR values during the final 6 months of the follow-up period were observed. Among 57 children who completed follow-up, 6 individuals (11%) showed both cPCR(+) and qPCR(+) (non reactive), 24 (42%) cPCR(-) but qPCR(+) (ambiguous) and 27 (47%) cPCR(-) and qPCR(-) (reactive). Within 14 Th1/Th2/Th17 cytokines, IL-17A showed significantly higher levels in seropositive children before the treatment compared to age-matched seronegative children and significantly decreased to the normal level one-year after. Moreover, throughout the follow-up study, IL-17A levels were positively co-related to parasite counts detected by qPCR. At the 12 months’ time point, IL-17A levels of non-reactive subjects were significantly higher than either those of reactive or ambiguous subjects suggesting that IL-17A might be useful to determine the reactivity to BNZ treatment. Conclusions Plasma levels of IL-17A might be a bio-marker for detecting persistent infection of T. cruzi and its chronic inflammation. Chagas is a zoonosis endemic in 21 Latin American countries caused by T. cruzi. Results of common Benznidazole (BNZ) treatment vary by infection phase, treatment period, and dosage. In Bolivia, the national Chagas program controls vector distribution in different regions of the country. The program began BNZ treatment in school-age children from infestation-free endemic areas. Lack of information regarding follow-up and efficacy in children with recent chronic Chagas makes treatment failure difficult to detect in endemic areas. The present study aimed to estimate parasite DNA in blood through quantitative real-time and conventional PCR (qPCR, cPCR), and observe Th1/Th2/Th17 cytokine profiling during a 12-month follow-up in Bolivia school children. Results showed persistence of low, substantial amounts of T. cruzi DNA, and significantly higher IL-17A levels in the seropositive group before treatment than the seronegative group, which decreased to seronegative levels one year later. Of 57 treated, 6 showed cPCR positive results 6 months after treatment and were diagnosed as definitely non-reactive (10.5%). The six non-reactive individuals showed significantly higher levels of IL-17A at 12 months than residual reactive (cPCR negative, qPCR negative) and ambiguously reactive (cPCR negative, qPCR positive) groups, indicating that IL-17A might be a biomarker for non-reactive to BNZ.
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Affiliation(s)
- Clara Vásquez Velásquez
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki, Japan
| | - Graciela Russomando
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Asunción, Asunción, Paraguay
| | - Emilio E. Espínola
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Asunción, Asunción, Paraguay
| | - Zunilda Sanchez
- Departamento de Biología Molecular y Biotecnología, Instituto de Investigaciones en Ciencias de la Salud, Universidad Nacional de Asunción, Asunción, Paraguay
| | - Kota Mochizuki
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki, Japan
| | - Yelin Roca
- Centro Nacional de Enfermedades Tropicales (CENETROP), Santa Cruz, Bolivia
| | - Jimmy Revollo
- Centro Nacional de Enfermedades Tropicales (CENETROP), Santa Cruz, Bolivia
| | - Angelica Guzman
- Centro Nacional de Enfermedades Tropicales (CENETROP), Santa Cruz, Bolivia
| | - Benjamín Quiroga
- Programa Departamental de Control de Chagas del Ministerio de Salud, Santa Cruz, Bolivia
| | - Susana Rios Morgan
- Programa Departamental de Control de Chagas del Ministerio de Salud, Santa Cruz, Bolivia
| | - Roberto Vargas Ortiz
- Programa Departamental de Control de Chagas del Ministerio de Salud, Santa Cruz, Bolivia
| | | | - Eida Espinoza
- Hospital Municipal Warnes "Nuestra Señora del Rosario", Santa Cruz, Bolivia
| | | | | | - Mihoko Kikuchi
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki, Japan
| | - Shusaku Mizukami
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki, Japan
| | - Kesara Na-Bangchang
- Chulabhorn International College of Medicine, Thammasat University, Pathumthani, Thailand
| | - Nguyen Tien Huy
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki, Japan
- Department of Clinical Product Development, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Nagasaki, Japan
| | - Kenji Hirayama
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), School of Tropical Medicine and Global Health, Nagasaki University, Sakamoto, Nagasaki, Japan
- Graduate School of Biomedical Sciences, Nagasaki University, Sakamoto, Nagasaki, Japan
- * E-mail:
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SARI attenuates colon inflammation by promoting STAT1 degradation in intestinal epithelial cells. Mucosal Immunol 2019; 12:1130-1140. [PMID: 31182817 DOI: 10.1038/s41385-019-0178-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 04/30/2019] [Accepted: 05/26/2019] [Indexed: 02/05/2023]
Abstract
SARI functions as a suppressor of colon cancer and predicts survival of colon cancer patients, but its role in regulating colitis has not been characterized. Here we show that SARI-/- mice were highly susceptible to colitis, which was associated with enhanced macrophage infiltration and inflammatory cytokine production. Bone marrow reconstitution experiments demonstrated that disease susceptibility was not dependent on the deficiency of SARI in the immune compartment but on the protective role of SARI in the intestinal epithelial cells (IECs). Furthermore, SARI deficiency enhanced Chemokine (C-C motif) Ligand 2 (CCL2) production and knockout of CCR2 blocks the promoting role of SARI deficiency on colitis. Mechanistically, SARI directly targets and promotes signal transducer and activator of transcription 1 (STAT1) degradation in IECs, followed by persistent inactivation of the STAT1/CCL2 transcription complex. In summary, SARI attenuated colitis in mice by impairing colitis-dependent STAT1/CCL2 transcriptional activation in IECs and macrophages recruitment in colon tissue.
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Wang Q, Dai L, Wang Y, Deng J, Lin Y, Wang Q, Fang C, Ma Z, Wang H, Shi G, Cheng L, Liu Y, Chen S, Li J, Dong Z, Su X, Yang L, Zhang S, Jiang M, Huang M, Yang Y, Yu D, Zhou Z, Wei Y, Deng H. Targeted demethylation of the SARI promotor impairs colon tumour growth. Cancer Lett 2019; 448:132-143. [DOI: 10.1016/j.canlet.2019.01.040] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2018] [Revised: 01/23/2019] [Accepted: 01/29/2019] [Indexed: 10/27/2022]
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28
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Guler R, Mpotje T, Ozturk M, Nono JK, Parihar SP, Chia JE, Abdel Aziz N, Hlaka L, Kumar S, Roy S, Penn-Nicholson A, Hanekom WA, Zak DE, Scriba TJ, Suzuki H, Brombacher F. Batf2 differentially regulates tissue immunopathology in Type 1 and Type 2 diseases. Mucosal Immunol 2019; 12:390-402. [PMID: 30542107 PMCID: PMC7051910 DOI: 10.1038/s41385-018-0108-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 10/04/2018] [Accepted: 10/07/2018] [Indexed: 02/04/2023]
Abstract
Basic leucine zipper transcription factor 2 (Batf2) activation is detrimental in Type 1-controlled infectious diseases, demonstrated during infection with Mycobacterium tuberculosis (Mtb) and Listeria monocytogenes Lm. In Batf2-deficient mice (Batf2-/-), infected with Mtb or Lm, mice survived and displayed reduced tissue pathology compared to infected control mice. Indeed, pulmonary inflammatory macrophage recruitment, pro-inflammatory cytokines and immune effectors were also decreased during tuberculosis. This explains that batf2 mRNA predictive early biomarker found in active TB patients is increased in peripheral blood. Similarly, Lm infection in human macrophages and mouse spleen and liver also increased Batf2 expression. In striking contrast, Type 2-controlled schistosomiasis exacerbates during infected Batf2-/- mice with increased intestinal fibro-granulomatous inflammation, pro-fibrotic immune cells, and elevated cytokine production leading to wasting disease and early death. Together, these data strongly indicate that Batf2 differentially regulates Type 1 and Type 2 immunity in infectious diseases.
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Affiliation(s)
- Reto Guler
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aWellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Diseases and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Thabo Mpotje
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Mumin Ozturk
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Justin K. Nono
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 0595 6917grid.500526.4The Medical Research Centre, Institute of Medical Research and Medicinal Plant Studies (IMPM), Ministry of Scientific Research and Innovation, Yaoundé, Cameroon
| | - Suraj P. Parihar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aWellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Diseases and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDivision of Medical Microbiology, Department of Pathology, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Julius Ebua Chia
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Nada Abdel Aziz
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 0639 9286grid.7776.1Department of Chemistry, Faculty of Science, Cairo University, Cairo, Egypt
| | - Lerato Hlaka
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Santosh Kumar
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
| | - Sugata Roy
- RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045 Japan
| | - Adam Penn-Nicholson
- 0000 0004 1937 1151grid.7836.aSouth African Tuberculosis Vaccine Initiative, Division of Immunology, Department of Pathology, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, 7925 South Africa
| | - Willem A. Hanekom
- 0000 0004 1937 1151grid.7836.aSouth African Tuberculosis Vaccine Initiative, Division of Immunology, Department of Pathology, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, 7925 South Africa
| | - Daniel E. Zak
- 0000 0004 0463 2611grid.53964.3dThe Center for Infectious Disease Research, Seattle, WA 98109 USA
| | - Thomas J. Scriba
- 0000 0004 1937 1151grid.7836.aSouth African Tuberculosis Vaccine Initiative, Division of Immunology, Department of Pathology, Institute of Infectious Disease and Molecular Medicine, University of Cape Town, Cape Town, 7925 South Africa
| | - Harukazu Suzuki
- RIKEN Center for Integrative Medical Sciences, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, 230-0045 Japan
| | - Frank Brombacher
- International Centre for Genetic Engineering and Biotechnology (ICGEB), Cape Town Component, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aDepartment of Pathology, University of Cape Town, Institute of Infectious Diseases and Molecular Medicine (IDM), Division of Immunology and South African Medical Research Council (SAMRC) Immunology of Infectious Diseases, Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa ,0000 0004 1937 1151grid.7836.aWellcome Centre for Infectious Diseases Research in Africa (CIDRI-Africa), Institute of Infectious Diseases and Molecular Medicine (IDM), Faculty of Health Sciences, University of Cape Town, Cape Town, 7925 South Africa
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Heme ameliorates dextran sodium sulfate-induced colitis through providing intestinal macrophages with noninflammatory profiles. Proc Natl Acad Sci U S A 2018; 115:8418-8423. [PMID: 30061415 PMCID: PMC6099887 DOI: 10.1073/pnas.1808426115] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Following hemorrhage in damaged tissues, hemoglobin induces macrophages (Mϕs) possessing ability to protect against tissue inflammation. Hemorrhage-appearing mucosa is observed in patients with inflammatory bowel disease. However, heme-mediated modulation of intestinal Mϕ activity remains poorly understood. Here, we provide evidence that Spi-C induced by heme is a key molecule for providing noninflammatory gene expression patterns of intestinal CX3CR1high Mϕs. We found that the Spic deficiency in intestinal Mϕs resulted in increased sensitivity to dextran sodium sulfate-induced colitis. Heme-mediated Spi-C inhibited a subset of LPS-induced genes such as Il6 and Il1a by intestinal CX3CR1high Mϕs through inhibition of IRF5-NF-κB p65 complex formation. These results reveal a mechanism modulating the noninflammatory phenotype of intestinal Mϕs and may help identify targets for therapy of intestinal inflammation. The local environment is crucial for shaping the identities of tissue-resident macrophages (Mϕs). When hemorrhage occurs in damaged tissues, hemoglobin induces differentiation of anti-inflammatory Mϕs with reparative function. Mucosal bleeding is one of the pathological features of inflammatory bowel diseases. However, the heme-mediated mechanism modulating activation of intestinal innate immune cells remains poorly understood. Here, we show that heme regulates gut homeostasis through induction of Spi-C in intestinal CX3CR1high Mϕs. Intestinal CX3CR1high Mϕs highly expressed Spi-C in a heme-dependent manner, and myeloid lineage-specific Spic-deficient (Lyz2-cre; Spicflox/flox) mice showed severe intestinal inflammation with an increased number of Th17 cells during dextran sodium sulfate-induced colitis. Spi-C down-regulated the expression of a subset of Toll-like receptor (TLR)-inducible genes in intestinal CX3CR1high Mϕs to prevent colitis. LPS-induced production of IL-6 and IL-1α, but not IL-10 and TNF-α, by large intestinal Mϕs from Lyz2-cre; Spicflox/flox mice was markedly enhanced. The interaction of Spi-C with IRF5 was linked to disruption of the IRF5-NF-κB p65 complex formation, thereby abrogating recruitment of IRF5 and NF-κB p65 to the Il6 and Il1a promoters. Collectively, these results demonstrate that heme-mediated Spi-C is a key molecule for the noninflammatory signature of intestinal Mϕs by suppressing the induction of a subset of TLR-inducible genes through binding to IRF5.
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Kanemaru H, Yamane F, Tanaka H, Maeda K, Satoh T, Akira S. BATF2 activates DUSP2 gene expression and up-regulates NF-κB activity via phospho-STAT3 dephosphorylation. Int Immunol 2018. [DOI: 10.1093/intimm/dxy023] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Affiliation(s)
- Hisashi Kanemaru
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
| | - Fumihiro Yamane
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
| | - Hiroki Tanaka
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
- Laboratory of Host Defense, Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka, Japan
| | - Kazuhiko Maeda
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
- Laboratory of Host Defense, Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka, Japan
| | - Takashi Satoh
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
- Laboratory of Host Defense, Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka, Japan
| | - Shizuo Akira
- Department of Host Defense, Research Institute for Microbial Diseases (RIMD), Osaka University, Suita, Osaka, Japan
- Laboratory of Host Defense, Immunology Frontier Research Center (IFReC), Osaka University, Suita, Osaka, Japan
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Fresno M, Gironès N. Regulatory Lymphoid and Myeloid Cells Determine the Cardiac Immunopathogenesis of Trypanosoma cruzi Infection. Front Microbiol 2018; 9:351. [PMID: 29545782 PMCID: PMC5838393 DOI: 10.3389/fmicb.2018.00351] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 02/14/2018] [Indexed: 01/19/2023] Open
Abstract
Chagas disease is a multisystemic disorder caused by the protozoan parasite Trypanosoma cruzi, which affects ~8 million people in Latin America, killing 7,000 people annually. Chagas disease is one of the main causes of death in the endemic area and the leading cause of infectious myocarditis in the world. T. cruzi infection induces two phases, acute and chronic, where the infection is initially asymptomatic and the majority of patients will remain clinically indeterminate for life. However, over a period of 10–30 years, ~30% of infected individuals will develop irreversible, potentially fatal cardiac syndromes (chronic chagasic cardiomyopathy [CCC]), and/or dilatation of the gastro-intestinal tract (megacolon or megaesophagus). Myocarditis is the most serious and frequent manifestation of chronic Chagas heart disease and appears in about 30% of infected individuals several years after infection occurs. Myocarditis is characterized by a mononuclear cell infiltrate that includes different types of myeloid and lymphoid cells and it can occur also in the acute phase. T. cruzi infects and replicates in macrophages and cardiomyocytes as well as in other nucleated cells. The pathogenesis of the chronic phase is thought to be dependent on an immune-inflammatory reaction to a low-grade replicative infection. It is known that cytokines produced by type 1 helper CD4+ T cells are able to control infection. However, the role that infiltrating lymphoid and myeloid cells may play in experimental and natural Chagas disease pathogenesis has not been completely elucidated, and several reports indicate that it depends on the mouse genetic background and parasite strain and/or inoculum. Here, we review the role that T cell CD4+ subsets, myeloid subclasses including myeloid-derived suppressor cells may play in the immunopathogenesis of Chagas disease with special focus on myocarditis, by comparing results obtained with different experimental animal models.
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Affiliation(s)
- Manuel Fresno
- Centro de Biología Molecular Severo Ochoa (CSIC), Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Universitario de La Princesa, Madrid, Spain
| | - Núria Gironès
- Centro de Biología Molecular Severo Ochoa (CSIC), Madrid, Spain.,Instituto de Investigación Sanitaria del Hospital Universitario de La Princesa, Madrid, Spain
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Verma S, Pal R, Gupta SK. Decrease in invasion of HTR-8/SVneo trophoblastic cells by interferon gamma involves cross-communication of STAT1 and BATF2 that regulates the expression of JUN. Cell Adh Migr 2018; 12:432-446. [PMID: 29394132 DOI: 10.1080/19336918.2018.1434030] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Trophoblast invasion is one of the critical steps during embryo implantation. IFNG secreted during pregnancy by uterine NK cells acts as a negative regulator of invasion. IFNG in a dose dependent fashion inhibits invasion of HTR-8/SVneo trophoblastic cells. It phosphorylates STAT1 both at tyr 701 and ser 727 residues. Silencing of STAT1 significantly increases invasion (∼59%) of the cells. Based on NGS data, out of 207 genes, BATF2 expression was significantly increased after IFNG treatment. Silencing of BATF2 significantly increases the invasion of cells with (∼53%) or without (∼44%) treatment with IFNG. Expression of BATF2 and STAT1 is dependent on each other, silencing of one significantly inhibit the expression of other. Interestingly, phosphorylated JUN is also regulated by BATF2 and STAT1. Collectively, these findings showed that decrease in the invasion of HTR-8/SVneo cells after IFNG treatment is controlled by STAT1 and BATF2, which further regulates the expression of JUN.
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Affiliation(s)
- Sonam Verma
- a Reproductive Cell Biology Laboratory, National Institute of Immunology , New Delhi - 110 067 , India
| | - Rahul Pal
- b Immunoendocrinology Laboratory, National Institute of Immunology , New Delhi , India
| | - Satish Kumar Gupta
- a Reproductive Cell Biology Laboratory, National Institute of Immunology , New Delhi - 110 067 , India
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De Alba-Alvarado M, Salazar-Schettino PM, Jiménez-Álvarez L, Cabrera-Bravo M, García-Sancho C, Zenteno E, Vazquez-Antona C, Cruz-Lagunas A, Zúñiga J, Bucio-Torres MI. Th-17 cytokines are associated with severity of Trypanosoma cruzi chronic infection in pediatric patients from endemic areas of Mexico. Acta Trop 2018; 178:134-141. [PMID: 29180164 DOI: 10.1016/j.actatropica.2017.11.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2017] [Revised: 11/07/2017] [Accepted: 11/20/2017] [Indexed: 01/07/2023]
Abstract
In Chagas disease the clinical, acute and chronic manifestations are the result of the interaction between the parasite and the host factors. The balance between inflammatory and anti-inflammatory immune responses is essential for the increase or resolution of the manifestations in individuals infected with T. cruzi. To identify if children with chronic Chagas disease and heart injury is related with non-regulated Th1, Th2 and Th17 responses. We included 31 children with T. cruzi confirmed chronic infection from endemic areas of Mexico. Subsequently, they were separated according to their ECHO and ECG results into three groups according to the severity of cardiac involvement. Circulating Th1, Th2 and Th17 cytokine profiles were performed by Luminex assays and the results were analyzed by bivariate and multivariable analysis. Patients were classified in asymptomatic chronic (group 1, N=12); individuals with IRBBB in ECG and incipient lesions in ECHO (Group 2, N=8) and Patients with severe chronic symptomatic disease (Group 3, N=11). The analysis of immune mediators revealed that patients with severe cardiac manifestations had significant higher levels (p <0.05) of Th17 related cytokines including IL-17 and IL-6 as well as IFN-γ and IL-2. Also patients with severe cardiomyopathy exhibit increased levels of IL-13 (p <0.05) after multivariate analysis. High levels of Th17 related cytokines including IL-17, IFN-γ, IL-6 and IL-2 and pro-fibrotic factors such as IL-13 could be associated to the severity of cardiac involvement in children with chronic T. cruzi infection. These cytokines could be useful as indicators for the early identification of cardiac damage associated to the T. cruzi infection.
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Affiliation(s)
- Mariana De Alba-Alvarado
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Paz María Salazar-Schettino
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Luis Jiménez-Álvarez
- Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Margarita Cabrera-Bravo
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Cecilia García-Sancho
- Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Edgar Zenteno
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Clara Vazquez-Antona
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - Alfredo Cruz-Lagunas
- Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Joaquín Zúñiga
- Laboratory of Immunobiology and Genetics, Instituto Nacional de Enfermedades Respiratorias Ismael Cosío Villegas, Mexico City, Mexico
| | - Martha Irene Bucio-Torres
- Department of Microbiology and Parasitology, Faculty of Medicine, National Autonomous University of Mexico, Mexico City, Mexico.
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Kayama H, Kitada S, Takeda K. Quantification of Trypanosoma cruzi in Tissue and Trypanosoma cruzi Killing Assay. Bio Protoc 2017; 7:e2613. [PMID: 34595286 DOI: 10.21769/bioprotoc.2613] [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: 08/16/2017] [Revised: 10/16/2017] [Accepted: 10/22/2017] [Indexed: 11/02/2022] Open
Abstract
Infection with Trypanosoma cruzi causes Chagas disease. The methods provided here allow for the quantification of T. cruzi in the liver, heart, and blood of intraperitoneally-infected mice and analysis of the killing activity of the cells infected with T. cruzi in vitro.
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Affiliation(s)
- Hisako Kayama
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Shoko Kitada
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
| | - Kiyoshi Takeda
- Department of Microbiology and Immunology, Graduate School of Medicine, Osaka University, Osaka, Japan.,WPI Immunology Frontier Research Center, Osaka University, Osaka, Japan.,Core Research for Evolutional Science and Technology, Japan Agency for Medical Research and Development, Tokyo, Japan
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Berger BA, Bartlett AH, Saravia NG, Galindo Sevilla N. Pathophysiology of Leishmania Infection during Pregnancy. Trends Parasitol 2017; 33:935-946. [PMID: 28988681 DOI: 10.1016/j.pt.2017.08.012] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 08/28/2017] [Accepted: 08/30/2017] [Indexed: 12/11/2022]
Abstract
The pathological processes resulting from parasitic infection are known to have important impacts on the mother child dyad during pregnancy. The roles of parasite transmission and the maternal immune response have been described in diseases such as malaria, toxoplasmosis, and trypanosomiasis. However, the impact of parasites of the genus Leishmania, etiological agents of the neglected tropical diseases tegumentary leishmaniasis (TL) and visceral leishmaniasis (VL), is comparatively less well known, though it is an increasingly recognized concern for infected mothers and their fetuses. In this review, we first consider the pathophysiology of placental infection and transplacental transmission of this parasite, and then discuss the role and mechanisms of the maternal immune system in simultaneously mediating maternal-fetal infection and adverse pregnancy outcomes.
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Affiliation(s)
- Brandon A Berger
- University of Chicago Pritzker School of Medicine, Chicago, IL, USA.
| | - Allison H Bartlett
- University of Chicago Comer Children's Hospital, Section of Infectious Disease, Chicago, IL, USA
| | - Nancy Gore Saravia
- Centro Internacional de Entrenamiento e Investigaciones Médicas, Cali, Colombia
| | - Norma Galindo Sevilla
- Instituto Nacional de Perinatología Isidro Espinosa de los Reyes, Mexico City, Mexico
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