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Song G, Sun M, Zhang Y, Zhang B, Peng M, Bao B. Anti-inflammation of LZTFL1 knockdown in OVA-induced asthmatic mice: Through ERK/GATA3 signaling pathway. Mol Immunol 2024; 167:16-24. [PMID: 38310669 DOI: 10.1016/j.molimm.2024.01.010] [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: 09/14/2023] [Revised: 12/29/2023] [Accepted: 01/18/2024] [Indexed: 02/06/2024]
Abstract
Asthma is a common chronic respiratory disease characterized by Th2-type inflammation in the airways. Leucine zip transcription factor-like 1 (LZTFL1) has been implicated in the regulation of Th2-related factors. The knockdown of LZTFL1 resulted in decreased levels of IL-4, IL-5, and IL-13. We hypothesize that LZTFL1 may have an effect on asthma. We established an acute asthmatic mouse model using the Ovalbumin (OVA) sensitization, and we found that LZTFL1 expression was upregulated in OVA-induced CD4 + T cells. Mice challenged with OVA were administered 5 × 107 TU of lentivirus via tail vein injection. LZTFL1 knockdown reversed the frequency of sneezing and nose rubbing in OVA mice. LZTFL1 knockdown reduced inflammatory cell infiltration, reduced goblet cell numbers, and mitigated collagen deposition in lung tissue. LZTFL1 knockdown decreased the levels of OVA-specific IgE, IL-4, IL-5, and IL-13 in alveolar lavage fluid of asthmatic mice. Furthermore, LZTFL1 knockdown inhibited the aberrant activation of MEK/ERK signaling pathway in asthmatic mice. GATA binding protein 3 (GATA3) is an essential transcription factor in Th2 differentiation. Flow cytometry results revealed that LZTFL1 knockdown reduced the number of GATA3 + CD4 + Th2 cells, while it did not affect the stability of GATA3 mRNA. This may be attributed to ERK signaling which stabilized GATA3 by preventing its ubiquitination and subsequent degradation. In conclusion, LZTFL1 knockdown attenuates inflammation and pathological changes in OVA-induced asthmatic mice through ERK/GATA3 signaling pathway.
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Affiliation(s)
- Guihua Song
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China.
| | - Mengmeng Sun
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Yan Zhang
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Bingxue Zhang
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Minghao Peng
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, Henan, China
| | - Beibei Bao
- Department of Pediatrics, Henan University of Chinese Medicine, Zhengzhou, Henan, China
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Yang G, Li J, Liu Y, Wu G, Mo L, Xu Z, Liao Y, Huang Q, Yang P. Targeting the RhoA-GEF-H1 pathway of mast cells attenuates experimental airway allergy. Arch Biochem Biophys 2023; 741:109597. [PMID: 37054768 DOI: 10.1016/j.abb.2023.109597] [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: 01/29/2023] [Revised: 04/02/2023] [Accepted: 04/04/2023] [Indexed: 04/15/2023]
Abstract
Mast cells are the major effector cells in allergic diseases. RhoA and its downstream pathway is associated with the pathogenesis of airway allergy. The objective of this study is to test a hypothesis that modulating the RhoA-GEF-H1 axis in mast cells can attenuate airway allergy. An airway allergic disorder (AAD) mouse model was employed. Mast cells were isolated from AAD mouse airway tissues to be analyzed by RNA sequencing. We observed that mast cells isolated from the respiratory tract of AAD mice were resistant to apoptosis. Mast cell mediator levels in nasal lavage fluid were correlated with apoptosis resistance in AAD mice. Activation of RhoA in AAD mast cells was related to resistance to apoptosis. Mast cells isolated from the airway tissues in AAD mouse exhibited strong RhoA-GEF-H1 expression. The RhoA-GEF-H1 axis was associated with the lower FasL expression in AAD mast cells. Activation of the RhoA-GEF-H1 axis promoted the production of mediators in mast cells. Inhibition of GEF-H1 facilitated the SIT-induced mast cell apoptosis and enhanced the therapeutic efficacy of AAD. In conclusion, RhoA-GEF-H1 activities are associated with resistance to apoptosis in mast cells isolated from sites of allergic lesions. The state of apoptosis resistance in mast cells is associated with the state of AAD disease. Inhibition of GEF-H1 restores the sensitivity of mast cells to apoptosis inducers, and alleviates experimental AAD in mice.
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Affiliation(s)
- Gui Yang
- Department of Otolaryngology and Allergy, Longgang Central Hospital, Shenzhen, China
| | - Jianxiang Li
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China
| | - Yu Liu
- Department of Otolaryngology, Jinjiang Municipal Hospital, Jinjiang, China
| | - Gaohui Wu
- Department of Otolaryngology, Jinjiang Municipal Hospital, Jinjiang, China
| | - Lihua Mo
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Shenzhen, China; Institute of Allergy & Immunology of Shenzhen University, State Key Laboratory of Respiratory Disease Allergy Division at Shenzhen University, Shenzhen, China
| | - Ziyi Xu
- Vanke Meisha Academy, Shenzhen, China
| | - Yun Liao
- Department of Otolaryngology and Allergy, Longgang Central Hospital, Shenzhen, China
| | - Qinmiao Huang
- Department of General Practice Medicine, Third Affiliated Hospital of Shenzhen University, Shenzhen, China.
| | - Pingchang Yang
- Guangdong Provincial Key Laboratory of Regional Immunity and Diseases, Shenzhen, China; Institute of Allergy & Immunology of Shenzhen University, State Key Laboratory of Respiratory Disease Allergy Division at Shenzhen University, Shenzhen, China.
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Zhao L, Wang Y, Jaganathan A, Sun Y, Ma N, Li N, Han X, Sun X, Yi H, Fu S, Han F, Li X, Xiao K, Walsh MJ, Zeng L, Zhou M, Cheung KL. BRD4-PRC2 represses transcription of T-helper 2-specific negative regulators during T-cell differentiation. EMBO J 2023; 42:e111473. [PMID: 36719036 PMCID: PMC10015369 DOI: 10.15252/embj.2022111473] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 12/26/2022] [Accepted: 01/11/2023] [Indexed: 02/01/2023] Open
Abstract
BRD4 is a well-recognized transcriptional activator, but how it regulates gene transcriptional repression in a cell type-specific manner has remained elusive. In this study, we report that BRD4 works with Polycomb repressive complex 2 (PRC2) to repress transcriptional expression of the T-helper 2 (Th2)-negative regulators Foxp3 and E3-ubiqutin ligase Fbxw7 during lineage-specific differentiation of Th2 cells from mouse primary naïve CD4+ T cells. Brd4 binds to the lysine-acetylated-EED subunit of the PRC2 complex via its second bromodomain (BD2) to facilitate histone H3 lysine 27 trimethylation (H3K27me3) at target gene loci and thereby transcriptional repression. We found that Foxp3 represses transcription of Th2-specific transcription factor Gata3, while Fbxw7 promotes its ubiquitination-directed protein degradation. BRD4-mediated repression of Foxp3 and Fbxw7 in turn promotes BRD4- and Gata3-mediated transcriptional activation of Th2 cytokines including Il4, Il5, and Il13. Chemical inhibition of the BRD4 BD2 induces transcriptional de-repression of Foxp3 and Fbxw7, and thus transcriptional downregulation of Il4, Il5, and Il13, resulting in inhibition of Th2 cell lineage differentiation. Our study presents a previously unappreciated mechanism of BRD4's role in orchestrating a Th2-specific transcriptional program that coordinates gene repression and activation, and safeguards cell lineage differentiation.
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Affiliation(s)
- Li Zhao
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Yiqi Wang
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Anbalagan Jaganathan
- Department of Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Yifei Sun
- Department of Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Ning Ma
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Ning Li
- The Institute of Genetics and Cytology, Northeast Normal UniversityChangchunChina
| | - Xinye Han
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Xueying Sun
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Huanfa Yi
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Shibo Fu
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Fangbin Han
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Xue Li
- Department of ChemistryMichigan State UniversityEast LansingMIUSA
| | - Kunhong Xiao
- Center for Proteomics & Artificial Intelligence and Center for Clinical Mass SpectrometryAllegheny Health Network Cancer InstitutePittsburghPAUSA
- Department of Pharmacology and Chemical Biology, School of MedicineUniversity of PittsburghPittsburghPAUSA
| | - Martin J Walsh
- Department of Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Lei Zeng
- Institute of Epigenetic Medicine, First Hospital of Jilin UniversityChangchunChina
| | - Ming‐Ming Zhou
- Department of Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNYUSA
| | - Ka Lung Cheung
- Department of Pharmacological SciencesIcahn School of Medicine at Mount SinaiNew YorkNYUSA
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A20 (Tnfaip3) expressed in CD4 + T cells suppresses Th2 cell-mediated allergic airway inflammation in mice. Biochem Biophys Res Commun 2022; 629:47-53. [PMID: 36099784 DOI: 10.1016/j.bbrc.2022.08.097] [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: 08/22/2022] [Revised: 08/22/2022] [Accepted: 08/31/2022] [Indexed: 11/24/2022]
Abstract
A20 (Tnfaip3), a ubiquitin-editing enzyme, inhibits NF-κB signaling pathways in response to pro-inflammatory cytokines. Previous studies have proved the anti-inflammatory roles of A20 in various cell types, including T cells, B cells, dendritic cells, and intestinal epithelial cells. Moreover, recent studies have shown that A20 expressed in lung epithelial cells is required for LPS-induced protection from asthma. In humans, a single-nucleotide polymorphism in TNFAIP3 is associated with asthma risk. However, the role of A20 expressed in T cells in asthmatic responses has not been elucidated. We addressed this point by generating mice lacking A20 expression in T cells (CD4-CreA20 fl/fl mice). We found that house dust mite (HDM)-induced allergic airway inflammation, mucus production, airway hyperresponsiveness, and Th2 cytokine production were significantly exacerbated in CD4-CreA20 fl/fl mice compared with those in control A20 fl/fl mice. In vitro differentiation of Th2 cells but not of Th1 cells or Th17 cells was enhanced in CD4+ T cells by the absence of A20. Consistently, enforced expression of A20 inhibited the differentiation of Th2 cells but not of Th1 cells or Th17 cells. Notably, the expression of GATA3 was significantly enhanced in A20-deficient CD4+ T cells, and the enhanced GATA3 expression was partly canceled by IL-2 neutralization. These results suggest that A20 functions as a stabilizing factor maintaining GATA3 levels during the induction of Th2 cells to prevent excessive Th2 cell differentiation.
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Avery TY, Köhler N, Zeiser R, Brummer T, Ruess DA. Onco-immunomodulatory properties of pharmacological interference with RAS-RAF-MEK-ERK pathway hyperactivation. Front Oncol 2022; 12:931774. [PMID: 35965494 PMCID: PMC9363660 DOI: 10.3389/fonc.2022.931774] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Accepted: 06/30/2022] [Indexed: 12/25/2022] Open
Abstract
Hyperactivation of the RAS-RAF-MEK-ERK cascade - a mitogen-activated protein kinase pathway – has a well-known association with oncogenesis of leading tumor entities, including non-small cell lung cancer, colorectal carcinoma, pancreatic ductal adenocarcinoma, and malignant melanoma. Increasing evidence shows that genetic alterations leading to RAS-RAF-MEK-ERK pathway hyperactivation mediate contact- and soluble-dependent crosstalk between tumor, tumor microenvironment (TME) and the immune system resulting in immune escape mechanisms and establishment of a tumor-sustaining environment. Consequently, pharmacological interruption of this pathway not only leads to tumor-cell intrinsic disruptive effects but also modification of the TME and anti-tumor immunomodulation. At the same time, the importance of ERK signaling in immune cell physiology and potentiation of anti-tumor immune responses through ERK signaling inhibition within immune cell subsets has received growing appreciation. Specifically, a strong case was made for targeted MEK inhibition due to promising associated immune cell intrinsic modulatory effects. However, the successful transition of therapeutic agents interrupting RAS-RAF-MEK-ERK hyperactivation is still being hampered by significant limitations regarding durable efficacy, therapy resistance and toxicity. We here collate and summarize the multifaceted role of RAS-RAF-MEK-ERK signaling in physiology and oncoimmunology and outline the rationale and concepts for exploitation of immunomodulatory properties of RAS-RAF-MEK-ERK inhibition while accentuating the role of MEK inhibition in combinatorial and intermittent anticancer therapy. Furthermore, we point out the extensive scientific efforts dedicated to overcoming the challenges encountered during the clinical transition of various therapeutic agents in the search for the most effective and safe patient- and tumor-tailored treatment approach.
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Affiliation(s)
- Thomas Yul Avery
- Department of General and Visceral Surgery, Center of Surgery, Medical Center University of Freiburg, Freiburg, Germany
- *Correspondence: Thomas Yul Avery, ; Dietrich Alexander Ruess,
| | - Natalie Köhler
- Department of Medicine I - Medical Center, Medical Center University of Freiburg, Freiburg, Germany
- CIBSS - Centre for Integrative Biological Signalling Studies, University of Freiburg, Freiburg, Germany
| | - Robert Zeiser
- Department of Medicine I - Medical Center, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium Deutsches Konsortium Translationale Krebsforschung (DKTK), partner site Freiburg, German Cancer Research Center Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
| | - Tilman Brummer
- German Cancer Consortium Deutsches Konsortium Translationale Krebsforschung (DKTK), partner site Freiburg, German Cancer Research Center Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
- Institute of Molecular Medicine and Cell Research (IMMZ), Faculty of Medicine, University of Freiburg, Freiburg, Germany
- Comprehensive Cancer Center Freiburg (CCCF), Faculty of Medicine, Medical Center University of Freiburg, Freiburg, Germany
| | - Dietrich Alexander Ruess
- Department of General and Visceral Surgery, Center of Surgery, Medical Center University of Freiburg, Freiburg, Germany
- German Cancer Consortium Deutsches Konsortium Translationale Krebsforschung (DKTK), partner site Freiburg, German Cancer Research Center Deutsches Krebsforschungszentrum (DKFZ), Heidelberg, Germany
- *Correspondence: Thomas Yul Avery, ; Dietrich Alexander Ruess,
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6
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Bilirubin represents a negative regulator of ILC2 in allergic airway inflammation. Mucosal Immunol 2022; 15:314-326. [PMID: 34686839 DOI: 10.1038/s41385-021-00460-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 08/29/2021] [Accepted: 09/16/2021] [Indexed: 02/04/2023]
Abstract
Group 2 innate lymphoid cells (ILC2s) play an important role in allergic airway inflammation. Despite recent advances in defining molecular mechanisms that control ILC2 development and function, the role of endogenous metabolites in the regulation of ILC2s remains poorly understood. Herein, we demonstrated that bilirubin, an end product of heme catabolism, was a potent negative regulator of ILC2s. Bilirubin metabolism was found to be significantly induced during airway inflammation in mouse models. The administration of unconjugated bilirubin (UCB) dramatically suppressed ILC2 responses to interleukin (IL)-33 in mice, including cell proliferation and the production of effector cytokines. Furthermore, UCB significantly alleviated ILC2-driven airway inflammation, which was aggravated upon clearance of endogenous UCB. Mechanistic studies showed that the effects of bilirubin on ILC2s were associated with downregulation of ERK phosphorylation and GATA3 expression. Clinically, newborns with hyperbilirubinemia displayed significantly lower levels of ILC2 with impaired function and suppressed ERK signaling. Together, these findings indicate that bilirubin serves as an endogenous suppressor of ILC2s and might have potential therapeutic value in the treatment of allergic airway inflammation.
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Fang L, Yan Y, Gao Y, Wu Z, Wang Z, Yang S, Cheng JC, Sun YP. TGF-β1 inhibits human trophoblast cell invasion by upregulating kisspeptin expression through ERK1/2 but not SMAD signaling pathway. Reprod Biol Endocrinol 2022; 20:22. [PMID: 35101033 PMCID: PMC8802482 DOI: 10.1186/s12958-022-00902-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 01/22/2022] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND Tightly regulation of extravillous cytotrophoblast (EVT) cell invasion is critical for the placentation and establishment of a successful pregnancy. Insufficient EVT cell invasion leads to the development of preeclampsia (PE) which is a leading cause of maternal and perinatal mortality and morbidity. Transforming growth factor-beta1 (TGF-β1) and kisspeptin are expressed in the human placenta and have been shown to inhibit EVT cell invasion. Kisspeptin is a downstream target of TGF-β1 in human breast cancer cells. However, whether kisspeptin is regulated by TGF-β1 and mediates TGF-β1-suppressed human EVT cell invasion remains unclear. METHODS The effect of TGF-β1 on kisspeptin expression and the underlying mechanisms were explored by a series of in vitro experiments in a human EVT cell line, HTR-8/SVneo, and primary cultures of human EVT cells. Serum levels of TGF-β1 and kisspeptin in patients with or without PE were measured by ELISA. RESULTS TGF-β1 upregulates kisspeptin expression in HTR-8/SVneo cells and primary cultures of human EVT cells. Using pharmacological inhibitor and siRNA, we demonstrate that the stimulatory effect of TGF-β1 on kisspeptin expression is mediated via the ALK5 receptor. Treatment with TGF-β1 activates SMAD2/3 canonical pathways as well as ERK1/2 and PI3K/AKT non-canonical pathways. However, only inhibition of ERK1/2 activation attenuates the stimulatory effect of TGF-β1 on kisspeptin expression. In addition, siRNA-mediated knockdown of kisspeptin attenuated TGF-β1-suppressed EVT cell invasion. Moreover, we report that serum levels of TGF-β1 and kisspeptin are significantly upregulated in patients with PE. CONCLUSIONS By illustrating the potential physiological role of TGF-β1 in the regulation of kisspeptin expression, our results may serve to improve current strategies used to treat placental diseases.
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Affiliation(s)
- Lanlan Fang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Yang Yan
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Yibo Gao
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Ze Wu
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Zhen Wang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Sizhu Yang
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China
| | - Jung-Chien Cheng
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China.
| | - Ying-Pu Sun
- Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, 40, Daxue Road, Zhengzhou, Henan, China.
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Lin XW, Fan ZZ, Liu YH, Li J, Ma Q, Yan RH. High MEK/ERK signalling is a key regulator of diapause maintenance in the cotton bollworm, Helicoverpa armigera. INSECT MOLECULAR BIOLOGY 2021; 30:508-518. [PMID: 34086372 DOI: 10.1111/imb.12721] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 05/30/2021] [Accepted: 06/01/2021] [Indexed: 06/12/2023]
Abstract
MEK/ERK signalling has been identified as a key factor that terminates diapause in Sarcophaga crassipalpis and Bombyx mori. Paradoxically, high p-MEK/p-ERK signalling induces diapause in pupae of the moth Helicoverpa armigera; however, the regulatory mechanism is unknown. In the present study, we show that p-MEK and p-ERK are elevated in the brain of diapause-destined pupae and suppression of MEK/ERK activity terminates diapause progress. Reactive oxygen species (ROS) activate MEK/ERK signalling, causing large-scale phosphorylation of downstream proteins. The levels of ubiquitin-conjugated proteins are also significantly reduced when ROS or p-ERK level decreased. Moreover, terminated diapause progress by 20-hydroxyecdysone injection significantly decreases p-MEK, p-ERK and phospho-ribosomal S6 kinase levels, while phospho-MAPK substrates and ubiquitin-conjugated protein levels increase. Our data demonstrate that high MEK/ERK signalling mediated by ROS promotes diapause maintenance via increasing phosphorylation and degradation of downstream substrates. The results of this study may provide important information for understanding the regulatory mechanisms during insect diapause.
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Affiliation(s)
- X W Lin
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
| | - Z Z Fan
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
| | - Y H Liu
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
| | - J Li
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
| | - Q Ma
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
| | - R H Yan
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests (Hainan University), Ministry of Education, Haikou, China
- College of Plant Protection, Hainan University, Haikou, China
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Clostridium butyricum MIYAIRI 588 Modifies Bacterial Composition under Antibiotic-Induced Dysbiosis for the Activation of Interactions via Lipid Metabolism between the Gut Microbiome and the Host. Biomedicines 2021; 9:biomedicines9081065. [PMID: 34440269 PMCID: PMC8391242 DOI: 10.3390/biomedicines9081065] [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: 07/29/2021] [Revised: 08/16/2021] [Accepted: 08/17/2021] [Indexed: 12/13/2022] Open
Abstract
The gut microbiome is closely related to gut metabolic functions, and the gut microbiome and host metabolic functions affect each other. Clostridium butyricum MIYAIRI 588 (CBM 588) upregulates protectin D1 production in host colon tissue following G protein-coupled receptor (GPR) 120 activation to protect gut epithelial cells under antibiotic-induced dysbiosis. However, how CBM 588 enhances polyunsaturated fatty acid (PUFA) metabolites remains unclear. Therefore, we focused on the metabolic function alterations of the gut microbiome after CBM 588 and protectin D1 administration to reveal the interaction between the host and gut microbiome through lipid metabolism during antibiotic-induced dysbiosis. Consequently, CBM 588 modified gut microbiome and increased the butyric acid and oleic acid content. These lipid metabolic modifications induced GPR activation, which is a trigger of ERK 1/2 signaling and directed differentiation of downstream immune cells in the host colon tissue. Moreover, endogenous protectin D1 modified the gut microbiome, similar to CBM 588. This is the first study to report that CBM 588 influences the interrelationship between colon tissue and the gut microbiome through lipid metabolism. These findings provide insights into the mechanisms of prevention and recovery from inflammation and the improvement of host metabolism by CBM 588.
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Suehiro KI, Suto A, Suga K, Furuya H, Iwata A, Iwamoto T, Tanaka S, Kageyama T, Suzuki K, Hirose K, Lefebvre V, Nakajima H. Sox12 enhances Fbw7-mediated ubiquitination and degradation of GATA3 in Th2 cells. Cell Mol Immunol 2021; 18:1729-1738. [PMID: 32152552 PMCID: PMC8245422 DOI: 10.1038/s41423-020-0384-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 02/12/2020] [Indexed: 02/06/2023] Open
Abstract
Allergic asthma that is caused by inhalation of house dust mites (HDMs) is mainly mediated by Th2 cells. Recently, the roles of Sox (SRY-related high-mobility-group (HMG)-box) family members in various immune responses have been investigated. However, the roles of Sox12, a member of the SoxC group, in Th2 cell differentiation and allergic airway inflammation, remain unknown. We showed that Sox12 mRNA was significantly increased during Th2 cell differentiation. In vivo, HDM-induced eosinophil infiltration into the lung and Th2 cell differentiation were exacerbated in Sox12-/- mice compared with those in control Sox12+/- mice. In vitro, Sox12-/- CD4+ T cells that were cultured under Th2 conditions had increased production of Th2 cytokines and GATA3 protein compared with those of control Sox12+/- CD4+ T cells. Importantly, forced expression of Sox12 decreased the protein levels of GATA3 in CD4+ T cells under Th2 conditions without affecting mRNA expression. Furthermore, Sox12 induced degradation of GATA3 through the proteasome pathway in CD4+ T cells. Consistently, Sox12 enhanced ubiquitination of GATA3, which was mediated by the E3 ligase Fbw7. Finally, we found that Fbw7 knockdown partly abrogated Sox12-mediated GATA3 suppression in CD4+ T cells. Taken together, these results suggest that Sox12 suppresses Th2 cell differentiation by accelerating Fbw7-mediated GATA3 degradation, and attenuates HDM-induced allergic inflammation.
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Affiliation(s)
- Ken-Ichi Suehiro
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Akira Suto
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan.
- Institute for Global Prominent Research, Chiba University, Chiba, Japan.
| | - Kensuke Suga
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Hiroki Furuya
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Arifumi Iwata
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Taro Iwamoto
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Shigeru Tanaka
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Takahiro Kageyama
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Kotaro Suzuki
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Koichi Hirose
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan
| | - Véronique Lefebvre
- Department of Surgery/Division of Orthopedic Surgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Hiroshi Nakajima
- Department of Allergy and Clinical Immunology, Graduate School of Medicine, Chiba, Japan.
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11
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Sripada A, Sirohi K, Michalec L, Guo L, McKay JT, Yadav S, Verma M, Good J, Rollins D, Gorska MM, Alam R. Sprouty2 positively regulates T cell function and airway inflammation through regulation of CSK and LCK kinases. PLoS Biol 2021; 19:e3001063. [PMID: 33684096 PMCID: PMC7971865 DOI: 10.1371/journal.pbio.3001063] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 03/18/2021] [Accepted: 02/12/2021] [Indexed: 11/19/2022] Open
Abstract
The function of Sprouty2 (Spry2) in T cells is unknown. Using 2 different (inducible and T cell-targeted) knockout mouse strains, we found that Spry2 positively regulated extracellular signal-regulated kinase 1/2 (ERK1/2) signaling by modulating the activity of LCK. Spry2-/- CD4+ T cells were unable to activate LCK, proliferate, differentiate into T helper cells, or produce cytokines. Spry2 deficiency abrogated type 2 inflammation and airway hyperreactivity in a murine model of asthma. Spry2 expression was higher in blood and airway CD4+ T cells from patients with asthma, and Spry2 knockdown impaired human T cell proliferation and cytokine production. Spry2 deficiency up-regulated the lipid raft protein caveolin-1, enhanced its interaction with CSK, and increased CSK interaction with LCK, culminating in augmented inhibitory phosphorylation of LCK. Knockdown of CSK or dislodgment of caveolin-1-bound CSK restored ERK1/2 activation in Spry2-/- T cells, suggesting an essential role for Spry2 in LCK activation and T cell function.
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Affiliation(s)
- Anand Sripada
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Kapil Sirohi
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Lidia Michalec
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Lei Guo
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Jerome T McKay
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Sangya Yadav
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - Mukesh Verma
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
| | - James Good
- Division of Pulmonary and Critical Care, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Donald Rollins
- Division of Pulmonary and Critical Care, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Magdalena M Gorska
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
| | - Rafeul Alam
- Division of Allergy and Immunology, Department of Medicine, National Jewish Health, Denver, Colorado, United States of America
- Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, United States of America
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12
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Sereesongsaeng N, McDowell SH, Burrows JF, Scott CJ, Burden RE. Cathepsin V suppresses GATA3 protein expression in luminal A breast cancer. Breast Cancer Res 2020; 22:139. [PMID: 33298139 PMCID: PMC7726886 DOI: 10.1186/s13058-020-01376-6] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 11/30/2020] [Indexed: 12/21/2022] Open
Abstract
Background Lysosomal cysteine protease cathepsin V has previously been shown to exhibit elevated expression in breast cancer tissue and be associated with distant metastasis. Research has also identified that cathepsin V expression is elevated in tumour tissues from numerous other malignancies, but despite this, there has been limited examination of the function of this protease in cancer. Here we investigate the role of cathepsin V in breast cancer in order to delineate the molecular mechanisms by which this protease contributes to tumourigenesis. Methods Lentiviral transductions were used to generate shRNA cell line models, with cell line validation undertaken using RQ-PCR and Western blotting. Phenotypic changes of tumour cell biology were examined using clonogenic and invasion assays. The relationship between GATA3 expression and cathepsin V was primarily analysed using Western blotting. Site-directed mutagenesis was used to generate catalytic mutant and shRNA-resistant constructs to confirm the role of cathepsin V in regulating GATA3 expression. Results We have identified that elevated cathepsin V expression is associated with reduced survival in ER-positive breast cancers. Cathepsin V regulates the expression of GATA3 in ER-positive breast cancers, through promoting its degradation via the proteasome. We have determined that depletion of cathepsin V results in elevated pAkt-1 and reduced GSK-3β expression, which rescues GATA3 from proteasomal degradation. Conclusions In this study, we have identified that cysteine protease cathepsin V can suppress GATA3 expression in ER-positive breast cancers by facilitating its turnover via the proteasome. Therefore, targeting cathepsin V may represent a potential therapeutic strategy in ER-positive breast cancers, by restoring GATA3 protein expression, which is associated with a more favourable clinical outcome. Supplementary Information The online version contains supplementary material available at 10.1186/s13058-020-01376-6.
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Affiliation(s)
- Naphannop Sereesongsaeng
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Sara H McDowell
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.,Patrick G Johnston Centre for Cancer Research, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7AE, UK
| | - James F Burrows
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK
| | - Christopher J Scott
- Patrick G Johnston Centre for Cancer Research, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7AE, UK
| | - Roberta E Burden
- School of Pharmacy, Medical Biology Centre, Queen's University Belfast, 97 Lisburn Road, Belfast, BT9 7BL, UK.
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13
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Liu W, Xu L, Liang X, Liu X, Zhao Y, Ma C, Gao L. Tim-4 in Health and Disease: Friend or Foe? Front Immunol 2020; 11:537. [PMID: 32300343 PMCID: PMC7142236 DOI: 10.3389/fimmu.2020.00537] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 03/09/2020] [Indexed: 12/14/2022] Open
Abstract
T-cell immunoglobulin and mucin domain containing 4 (Tim-4) is a phosphatidylserine receptor and is selectively expressed on antigen presenting cells. Recently, Tim-4 was reported to be expressed on iNKT cells, B1 cells, and tumor cells, suggesting it has multiple biological functions. In this review, we mainly summarize the expression and regulation of Tim-4 in immune cells including T cells, macrophages, dendritic cells, NKT cells, B cells, and mast cells. The expression of Tim-4 in these cells implies that Tim-4 might participate in immune related diseases. Emerging evidence emphasizes a substantial role for Tim-4 in maintaining homeostasis by regulating various immune responses, including viral infection, allergy, autoimmunity, and tumor immunity. Here, we collectively evaluated the role of Tim-4 in health and diseases. This summary will be extremely useful to fully understand the function of Tim-4 in the pathogenesis of immune related diseases, which would provide novel clues for the diagnosis and treatment of diseases.
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Affiliation(s)
- Wen Liu
- Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection and Immunology, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Liyun Xu
- Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection and Immunology, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, China.,Cell and Molecular Biology Laboratory, Zhoushan Hospital, Zhoushan, China
| | - Xiaohong Liang
- Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection and Immunology, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Xiaojun Liu
- Center for Cellular Immunotherapies, University of Pennsylvania Cancer Center, Philadelphia, PA, United States
| | - Yangbing Zhao
- Center for Cellular Immunotherapies, University of Pennsylvania Cancer Center, Philadelphia, PA, United States.,Department of Pathology and Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | - Chunhong Ma
- Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection and Immunology, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, China
| | - Lifen Gao
- Key Laboratory for Experimental Teratology of Ministry of Education, Shandong Provincial Key Laboratory of Infection and Immunology, Department of Immunology, School of Basic Medical Sciences, Shandong University, Jinan, China
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14
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El-Arabey AA, Denizli M, Kanlikilicer P, Bayraktar R, Ivan C, Rashed M, Kabil N, Ozpolat B, Calin GA, Salama SA, Abd-Allah AR, Sood AK, Lopez-Berestein G. GATA3 as a master regulator for interactions of tumor-associated macrophages with high-grade serous ovarian carcinoma. Cell Signal 2020; 68:109539. [PMID: 31935430 DOI: 10.1016/j.cellsig.2020.109539] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 01/09/2020] [Accepted: 01/10/2020] [Indexed: 02/03/2023]
Abstract
High-grade serous ovarian carcinoma (HGSOC) is the most lethal gynecologic cancer. Emerging evidence suggests that tumor-associated macrophages (TAMs) play an immunosuppressive role in the tumor microenvironment and promote tumor growth, angiogenesis, and metastasis in ovarian cancer. Therefore, targeting TAMs in patients with ovarian cancer is an appealing strategy; however, all trials to date have failed. To improve the efficacy of this approach, we sought to elucidate the underlying mechanisms of the role of TAMs in ovarian cancer. We found that the developmental transcription factor GATA3 was highly expressed in HGSOC cell lines but not in the fallopian tube, which is the main origin of HGSOC. GATA3 expression was associated with poor prognosis in HGSOC patients (P < .05) and was found to promote proliferation and migration in HGSOC cell lines. GATA3 was released abundantly from TAM cells via exosomes and contributed to tumor growth in the tumor microenvironment. Moreover, GATA3 acted as a regulator for macrophage polarization and interactions between TAMs and HGSOC to support proliferation, motility, and cisplatin chemoresistance in mutant TP53 HGSOC cell lines. Furthermore, GATA3 played a critical role in the interactions between TAMs and mutant TP53 HGSOC to promote angiogenesis and epithelial-mesenchymal transition with epigenetic regulation. Targeting GATA3 using GATA3siRNA in TAMs impeded GATA3-driven proliferation, migration, cisplatin chemoresistance, and angiogenesis in mutant TP53 HGSOC cell lines. Our findings indicate that GATA3 plays a novel role in immunoediting of HGSOC and demonstrate that GATA3 may serve as a prognostic marker for HGSOC and a promising target in the treatment of HGSOC.
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Affiliation(s)
- Amr Ahmed El-Arabey
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Pharmacology and Toxicology, Al-Azhar University, Faculty of Pharmacy, Cairo, Egypt
| | - Merve Denizli
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Pinar Kanlikilicer
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Recep Bayraktar
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Cristina Ivan
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Mohammed Rashed
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Pharmacology and Toxicology, Al-Azhar University, Faculty of Pharmacy, Cairo, Egypt
| | - Nashwa Kabil
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Bulent Ozpolat
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - George A Calin
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Salama Abdou Salama
- Department of Pharmacology and Toxicology, Al-Azhar University, Faculty of Pharmacy, Cairo, Egypt
| | - Adel Rashad Abd-Allah
- Department of Pharmacology and Toxicology, Al-Azhar University, Faculty of Pharmacy, Cairo, Egypt
| | - Anil K Sood
- Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Cancer Biology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - Gabriel Lopez-Berestein
- Department of Experimental Therapeutics, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Center for RNA Interference and Non-Coding RNA, The University of Texas MD Anderson Cancer Center, Houston, TX, USA; Department of Gynecologic Oncology and Reproductive Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
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15
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ncRNAs in Type-2 Immunity. Noncoding RNA 2020; 6:ncrna6010010. [PMID: 32155783 PMCID: PMC7151598 DOI: 10.3390/ncrna6010010] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2020] [Revised: 02/26/2020] [Accepted: 02/27/2020] [Indexed: 02/07/2023] Open
Abstract
Immunological diseases, including asthma, autoimmunity and immunodeficiencies, affect a growing percentage of the population with significant unmet medical needs. As we slowly untangle and better appreciate these complex genetic and environment-influenced diseases, new therapeutically targetable pathways are emerging. Non-coding RNA species, which regulate epigenetic, transcriptional and translational responses are critical regulators of immune cell development, differentiation and effector function, and may represent one such new class of therapeutic targets. In this review we focus on type-2 immune responses, orchestrated by TH2 cell-derived cytokines, IL-4, IL-5 and IL-13, which stimulate a variety of immune and tissue responses- commonly referred to as type-2 immunity. Evolved to protect us from parasitic helminths, type-2 immune responses are observed in individuals with allergic diseases, including Asthma, atopic dermatitis and food allergy. A growing number of studies have identified the involvement of various RNA species, including microRNAs (miRNA) and long non-coding (lncRNA), in type-2 immune responses and in both clinical and pre-clinical disease settings. We highlight these recent findings, identify gaps in our understanding and provide a perspective on how our current understanding can be harnessed for novel treat opportunities to treat type-2 immune-mediated diseases.
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16
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Yang J, Wang HX, Xie J, Li L, Wang J, Wan ECK, Zhong XP. DGK α and ζ Activities Control T H1 and T H17 Cell Differentiation. Front Immunol 2020; 10:3048. [PMID: 32010133 PMCID: PMC6974463 DOI: 10.3389/fimmu.2019.03048] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 12/12/2019] [Indexed: 01/09/2023] Open
Abstract
CD4+ T helper (TH) cells are critical for protective adaptive immunity against pathogens, and they also contribute to the pathogenesis of autoimmune diseases. How TH differentiation is regulated by the TCR's downstream signaling is still poorly understood. We describe here that diacylglycerol kinases (DGKs), which are enzymes that convert diacylglycerol (DAG) to phosphatidic acid, exert differential effects on TH cell differentiation in a DGK dosage-dependent manner. A deficiency of either DGKα or ζ selectively impaired TH1 differentiation without obviously affecting TH2 and TH17 differentiation. However, simultaneous ablation of both DGKα and ζ promoted TH1 and TH17 differentiation in vitro and in vivo, leading to exacerbated airway inflammation. Furthermore, we demonstrate that dysregulation of TH17 differentiation of DGKα and ζ double-deficient CD4+ T cells was, at least in part, caused by increased mTOR complex 1/S6K1 signaling.
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Affiliation(s)
- Jialong Yang
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
| | - Hong-Xia Wang
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
| | - Jinhai Xie
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
| | - Lei Li
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
| | - Jinli Wang
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States
| | - Edwin C K Wan
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States.,Department of Microbiology, Immunology, and Cell Biology, West Virginia University School of Medicine, Morgantown, WV, United States.,Department of Neuroscience, West Virginia University School of Medicine, Morgantown, WV, United States
| | - Xiao-Ping Zhong
- Division of Allergy and Immunology, Department of Pediatrics, Duke University Medical Center, Durham, NC, United States.,Department of Immunology, Duke University Medical Center, Durham, NC, United States.,Hematologic Malignancies and Cellular Therapies Program, Duke Cancer Institute, Duke University Medical Center, Durham, NC, United States
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17
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Chao J, Han X, Liu K, Li Q, Peng Q, Lu S, Zhu X, Hu G, Dong Y, Hu C, Chen Y, Chen J, Khan FA, Chen H, Guo AA. Calves Infected with Virulent and Attenuated Mycoplasma bovis Strains Have Upregulated Th17 Inflammatory and Th1 Protective Responses, Respectively. Genes (Basel) 2019; 10:genes10090656. [PMID: 31466385 PMCID: PMC6770603 DOI: 10.3390/genes10090656] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/14/2019] [Accepted: 08/27/2019] [Indexed: 02/08/2023] Open
Abstract
Mycoplasma bovis is a critical bovine pathogen, but its pathogenesis remains poorly understood. Here, the virulent HB0801 (P1) and attenuated HB0801-P150 (P150) strains of M. bovis were used to explore the potential pathogenesis and effect of induced immunity from calves’ differential transcriptomes post infection. Nine one-month-old male calves were infected with P1, P150, or mock-infected with medium and euthanized at 60 days post-infection. Calves in P1 group exhibited other clinical signs and pathological changes compared to the other two groups. Transcriptome profiles of peripheral blood mononuclear cells revealed seven and 10 hub differentially expressed genes (DEGs) in P1 and P150 groups compared with mock-infected group, respectively. Then, P1-induced pathogenesis was predicted to be associated with enhanced Th17, and P150-induced immunity with Th1 response and expression of ubiquitination-associated enzymes. Association analysis showed that 14 and 11 DEGs were positively and negatively correlated with pathological changes, respectively. Furthermore, up-regulated expression in molecules critical to differentiation of pathogenic Th17 cells in lung and peripheral blood mononuclear cells in P1 group was validated at RNA and protein levels. The results confirmed virulent and attenuated strains might be associated with biased differentiation of pro-inflammatory pathogenic Th17 and Th1 subsets respectively.
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Affiliation(s)
- Jin Chao
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan 430070, China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 430070, China
| | - Xiaoxiao Han
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Kai Liu
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Qingni Li
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | | | - Siyi Lu
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Xifang Zhu
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Guyue Hu
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yaqi Dong
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Changmin Hu
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Yingyu Chen
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Jianguo Chen
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
| | - Farhan Anwar Khan
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
| | - Huanchun Chen
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China
- Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan 430070, China
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 430070, China
| | - And Aizhen Guo
- The State Key Laboratory of Agricultural Microbiology, Huazhong Agricultural University, Wuhan, China.
- College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, China.
- Hubei International Scientific and Technological Cooperation Base of Veterinary Epidemiology, Huazhong Agricultural University, Wuhan 430070, China.
- Key Laboratory of Development of Veterinary Diagnostic Products, Ministry of Agriculture, Huazhong Agricultural University, Wuhan 430070, China.
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18
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TRAF3IP3 at the trans-Golgi network regulates NKT2 maturation via the MEK/ERK signaling pathway. Cell Mol Immunol 2019; 17:395-406. [PMID: 31076725 DOI: 10.1038/s41423-019-0234-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 04/08/2019] [Indexed: 12/28/2022] Open
Abstract
Thymic natural killer T (NKT)2 cells are a subset of invariant NKT cells with PLZFhiGATA3hiIL-4+. The differentiation of NKT2 cells is not fully understood. In the present study, we report an important role of TRAF3-interacting protein 3 (TRAF3IP3) in the functional maturation and expansion of committed NKT2s in thymic medulla. Mice with T-cell-specific deletion of TRAF3IP3 had decreased thymic NKT2 cells, decreased IL-4-producing peripheral iNKTs, and defects in response to α-galactosylceramide. Positive selection and high PLZF expression in CD24+CD44- and CCR7+CD44- immature iNKTs were not affected. Only CD44hiNK1.1- iNKTs in Traf3ip3-/- mice showed reduced expression of Egr2, PLZF, and IL-17RB, decreased proliferation, and reduced IL-4 production upon stimulation. This Egr2 and IL-4 expression was augmented by MEK1/ERK activation in iNKTs, and TRAF3IP3 at the trans-Golgi network recruited MEK1 and facilitated ERK phosphorylation and nuclear translocation. LTβR-regulated bone marrow-derived nonlymphoid cells in the medullary thymic microenvironment were required for MEK/ERK activation and NKT2 maturation. These data demonstrate an important functional maturation process in NKT2 differentiation that is regulated by MEK/ERK signaling at the trans-Golgi network.
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19
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Characterization of lymphocyte subsets in peripheral blood cells of children with EV71 infection. JOURNAL OF MICROBIOLOGY, IMMUNOLOGY, AND INFECTION = WEI MIAN YU GAN RAN ZA ZHI 2019; 53:705-714. [PMID: 30914258 DOI: 10.1016/j.jmii.2019.03.001] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2018] [Revised: 01/23/2019] [Accepted: 03/07/2019] [Indexed: 12/18/2022]
Abstract
BACKGROUND Enterovirus 71 (EV71) is one of the major causative pathogens of hand, foot, and mouth disease (HFMD). Immune cells play a critical role in determining the outcomes of virus infection. We aimed to characterize the lymphocyte subsets and transcriptional levels of T lymphocytes-associated transcription factors in peripheral blood cells of children with EV71 infection. METHODS Peripheral blood samples from 32 children with EV71 infection and 32 control subjects were included in this study. The frequencies of T-, B-lymphocytes, and their subsets were determined by flow cytometry. The expression of transcription factors, including T-bet, Gata3, ROR γ t, Foxp3, TCF-1, and BCL-6 in the whole blood cells were evaluated by real-time reverse-transcription quantitative polymerase chain reaction (RT-qPCR). RESULTS The frequencies of T cells, helper T cells (Th), cytotoxic T cells (Tc), IFN-γ+ Th1, IFN-γ+ Tc1, and regulatory T (Treg) cells were significantly decreased (P < 0.01) in children with EV71 infection. As for IL-4+ Th2, IL-4+ Tc2, IL-17+ Th17, IL-17+ Tc17, follicular helper T cells (Tfh), CD3+CD8+IL-21+ T cells, CD19+ B cells, and CD19+IL-10+ B10 cells, their frequencies were significantly increased in the EV71 group (P < 0.01). The EV71 group had lower mRNA expressions of T-bet, Gata3, and Foxp3 than the control group (P < 0.05), whereas the expressions of ROR γ t, TCF-1, and BCL-6 showed no significant difference between two groups. CONCLUSIONS EV71 infection in children caused a decreased frequency of total Th, Tc and Treg cells, and increased percentages of B cell, Th2 and Th17 cells in blood.
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20
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Onodera A, Kokubo K, Nakayama T. Epigenetic and Transcriptional Regulation in the Induction, Maintenance, Heterogeneity, and Recall-Response of Effector and Memory Th2 Cells. Front Immunol 2018; 9:2929. [PMID: 30619290 PMCID: PMC6299044 DOI: 10.3389/fimmu.2018.02929] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2018] [Accepted: 11/29/2018] [Indexed: 12/24/2022] Open
Abstract
Antigen-primed T cells respond to restimulation much faster than naïve T cells and form the cellular basis of immunological memory. The formation of memory Th2 cells starts when naïve CD4 T cells are transformed into effector Th2 cells and is completed after antigen clearance and a long-term resting phase accompanied by epigenetic changes in the Th2 signature genes. Memory Th2 cells maintain their functions and acquired heterogeneity through epigenetic machinery, on which the recall-response of memory Th2 cells is also dependent. We provide an overview of the epigenetics in the whole Th2 cell cycle, mainly focusing on two different histone lysine methyltransferase complexes: the Polycomb and Trithorax groups. We finally discuss the pathophysiology and potential therapeutic strategies for the treatment of Th2-mediated inflammatory diseases in mice and humans.
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Affiliation(s)
- Atsushi Onodera
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan.,Institue for Global Prominent Research, Chiba University, Chiba, Japan
| | - Kota Kokubo
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
| | - Toshinori Nakayama
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba, Japan
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21
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Xu M, Wang S, Wang Y, Wu H, Frank JA, Zhang Z, Luo J. Role of p38γ MAPK in regulation of EMT and cancer stem cells. Biochim Biophys Acta Mol Basis Dis 2018; 1864:3605-3617. [PMID: 30251680 DOI: 10.1016/j.bbadis.2018.08.024] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 07/30/2018] [Accepted: 08/17/2018] [Indexed: 02/06/2023]
Abstract
p38γ is a member of p38 MAPK family which contains four isoforms p38α, p38β, p38γ, and p38δ. p38γ MAPK has unique function and is less investigated. Recent studies revealed that p38γ MAPK may be involved in tumorigenesis and cancer aggressiveness. However, the underlying cellular/molecular mechanisms remain unclear. Epithelial-mesenchymal transition (EMT) is a process that epithelial cancer cells transform to facilitate the loss of epithelial features and gain of mesenchymal phenotype. EMT promotes cancer cell progression and metastasis, and is involved in the regulation of cancer stem cells (CSCs) which have self-renewal capacity and are resistant to chemotherapy and target therapy. We showed that p38γ MAPK significantly increased EMT in breast cancer cells; over-expression of p38γ MAPK enhanced EMT while its down-regulation inhibited EMT. Meanwhile, p38γ MAPK augmented CSC population while knock down of p38γ MAPK decreased CSC ratio in breast cancer cells. MicroRNA-200b (miR-200b) was down-stream of p38γ MAPK and inhibited by p38γ MAPK; miR-200b mimics blocked p38γ MAPK-induced EMT while miR-200b inhibitors promoted EMT. p38γ MAPK regulated miR-200b through inhibiting GATA3. p38γ MAPK induced GATA3 ubiquitination, leading to its proteasome-dependent degradation. Suz12, a Polycomb group protein, was down-stream of miR-200b and involved in miR-200b regulation of EMT. Thus, our study established an important role of p38γ MAPK in EMT and identified a novel signaling pathway for p38γ MAPK-mediated tumor promotion.
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Affiliation(s)
- Mei Xu
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Siying Wang
- School of Basic Medical Sciences, Anhui Medical University, Hefei 230032, Anhui, China
| | - Yongchao Wang
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Huaxun Wu
- Institute of Clinical Pharmacology, Key Laboratory of Anti-Inflammatory and Immune Medicine, Anhui Medical University, Hefei 230032, China
| | - Jacqueline A Frank
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Zhuo Zhang
- Department of Toxicology and Cancer Biology, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America
| | - Jia Luo
- Department of Pharmacology and Nutritional Sciences, University of Kentucky College of Medicine, Lexington, KY 40536, United States of America.
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22
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Lei AH, Xiao Q, Liu GY, Shi K, Yang Q, Li X, Liu YF, Wang HK, Cai WP, Guan YJ, Gabrilovich DI, Zhou J. ICAM-1 controls development and function of ILC2. J Exp Med 2018; 215:2157-2174. [PMID: 30049704 PMCID: PMC6080904 DOI: 10.1084/jem.20172359] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2017] [Revised: 05/02/2018] [Accepted: 07/03/2018] [Indexed: 12/12/2022] Open
Abstract
ILC2s are key players in allergic airway inflammation. Lei et al. show that ICAM-1 controls ILC2 development and function through regulating ERK signaling pathway, suggesting targeting ICAM-1 as a potential strategy for ILC2-induced asthma. Group 2 innate lymphoid cells (ILC2s) are emerging as key players in the pathogenesis of allergic airway inflammation. The mechanisms regulating ILC2, however, are not fully understood. Here, we found that ICAM-1 is required for the development and function of ILC2. ICAM-1–deficient (ICAM-1−/−) mice displayed significantly lower levels of ILC2s in the bone marrow and peripheral tissues than wild-type controls. CLP transfer and in vitro culture assays revealed that the regulation of ILC2 by ICAM-1 is cell intrinsic. Furthermore, ILC2s from ICAM-1−/− mice were functionally impaired, as indicated by the diminished production of type-2 cytokines in response to IL-33 challenge. The reduction in lung ILC2s caused a clear remission of airway inflammation in ICAM-1−/− mice after administration of papain or Alternaria alternata. We further demonstrate that ILC2 defects caused by ICAM-1 deficiency are due to ERK signaling-dependent down-regulation of GATA3 protein. Collectively, these observations identify ICAM-1 as a novel regulator of ILC2.
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Affiliation(s)
- Ai-Hua Lei
- Joint Program in Immunology, Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Qiang Xiao
- Joint Program in Immunology, Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Gao-Yu Liu
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Kun Shi
- Department of Gynecology, Guangzhou Women and Children's Medical Center, Guangzhou, China
| | - Qiong Yang
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Xing Li
- Department of Medical Oncology and Guangdong Key Laboratory of Liver Disease, the Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, China
| | - Yu-Feng Liu
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Hai-Kun Wang
- CAS Key Laboratory of Molecular Virology and Immunology, Institut Pasteur of Shanghai, Chinese Academy of Sciences, Shanghai, China
| | | | | | - Dmitry I Gabrilovich
- Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,The Wistar Institute, Philadelphia, PA.,Key Laboratory of Tropical Disease Control, Chinese Ministry of Education, Sun Yat-sen University, Guangzhou, China
| | - Jie Zhou
- Joint Program in Immunology, Department of Internal Medicine, Affiliated Guangzhou Women and Children's Medical Center, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China .,Institute of Human Virology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China.,Key Laboratory of Tropical Disease Control, Chinese Ministry of Education, Sun Yat-sen University, Guangzhou, China
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23
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Bisogno LS, Friedersdorf MB, Keene JD. Ras Post-transcriptionally Enhances a Pre-malignantly Primed EMT to Promote Invasion. iScience 2018; 4:97-108. [PMID: 30240757 PMCID: PMC6147080 DOI: 10.1016/j.isci.2018.05.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2017] [Revised: 02/12/2018] [Accepted: 05/15/2018] [Indexed: 02/06/2023] Open
Abstract
Epithelial-to-mesenchymal transition (EMT) is integral to cancer progression, with considerable evidence that EMT has multiple intermediary stages. Understanding the mechanisms of this stepwise activation is of great interest. We recreated a genetically defined model in which primary cells were immortalized, resulting in migratory capacity, and subsequently H-Ras-transformed, causing malignancy and invasion. To determine the mechanisms coordinating stepwise malignancy, we quantified the changes in messenger RNA (mRNA) and protein abundance. During immortalization, we found dramatic changes in mRNA, consistent with EMT, which correlated with protein abundance. Many of these same proteins also changed following Ras transformation, suggesting that pre-malignant cells were primed for malignant conversion. Unexpectedly, changes in protein abundance did not correlate with changes in mRNA following transformation. Importantly, proteins involved in cellular adhesion and cytoskeletal structure decreased during immortalization and decreased further following Ras transformation, whereas their encoding mRNAs only changed during the immortalization step. Thus, Ras induced EMT-associated invasion via post-transcriptional mechanisms in primed pre-malignant cells. Two-stage progressive cell culture model demonstrates partial EMT states Pre-malignant immortalization alters RNA abundance to induce cell migration Ras transformation alters protein abundance, but not RNA, to induce cell invasion Both stages cooperate to regulate protein expression of adhesion molecules and RBPs
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Affiliation(s)
- Laura S Bisogno
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Matthew B Friedersdorf
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC 27710, USA
| | - Jack D Keene
- Department of Molecular Genetics & Microbiology, Duke University Medical Center, Durham, NC 27710, USA.
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24
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Interleukin-4 and interleukin-13 increase NADPH oxidase 1-related proliferation of human colon cancer cells. Oncotarget 2018; 8:38113-38135. [PMID: 28498822 PMCID: PMC5503519 DOI: 10.18632/oncotarget.17494] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2016] [Accepted: 04/17/2017] [Indexed: 01/01/2023] Open
Abstract
Human colon cancers express higher levels of NADPH oxidase 1 [NOX1] than adjacent normal epithelium. It has been suggested that reactive oxygen species [ROS] derived from NOX1 contribute to DNA damage and neoplastic transformation in the colon, particularly during chronic inflammatory stress. However, the mechanism(s) underlying increased NOX1 expression in malignant tumors or chronic inflammatory states involving the intestine are poorly characterized. We examined the effects of two pro-inflammatory cytokines, IL-4 and IL-13, on the regulation of NOX1. NOX1 expression was increased 4- to 5-fold in a time- and concentration-dependent manner by both cytokines in human colon cancer cell lines when a functional Type II IL-4 receptor was present. Increased NOX1 transcription following IL-4/IL-13 exposure was mediated by JAK1/STAT6 signaling, was associated with a ROS-related inhibition of protein tyrosine phosphatase activity, and was dependent upon activation and specific binding of GATA3 to the NOX1 promoter. NOX1-mediated ROS production increased cell cycle progression through S-phase leading to a significant increase in cellular proliferation. Evaluation of twenty pairs of surgically-resected colon cancers and their associated uninvolved adjacent colonic epithelium demonstrated a significant increase in the active form of NOX1, NOX1-L, in tumors compared to normal tissues, and a significant correlation between the expression levels of NOX1 and the Type II IL-4 receptor in tumor and the uninvolved colon. These studies imply that NOX1 expression, mediated by IL-4/IL-13, could contribute to an oxidant milieu capable of supporting the initiation or progression of colonic cancer, suggesting a role for NOX1 as a therapeutic target.
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25
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Magalhaes GS, Barroso LC, Reis AC, Rodrigues-Machado MG, Gregório JF, Motta-Santos D, Oliveira AC, Perez DA, Barcelos LS, Teixeira MM, Santos RAS, Pinho V, Campagnole-Santos MJ. Angiotensin-(1-7) Promotes Resolution of Eosinophilic Inflammation in an Experimental Model of Asthma. Front Immunol 2018; 9:58. [PMID: 29434591 PMCID: PMC5797293 DOI: 10.3389/fimmu.2018.00058] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2017] [Accepted: 01/09/2018] [Indexed: 01/31/2023] Open
Abstract
Defective apoptosis of eosinophils, the main leukocyte in the pathogenesis of asthma, and delay in its removal lead to lung damage and loss of pulmonary function due to failure in the resolution of inflammation. Here, we investigated the ability of angiotensin-(1-7) [Ang-(1-7)], a pivotal peptide of the renin-angiotensin system, to promote resolution of an allergic lung inflammatory response. Balb/c mice were sensitized and challenged with ovalbumin and treated with Ang-(1-7) at the peak of the inflammatory process. Bronchoalveolar lavage (BAL) fluid and lungs were collected 24 h after treatment. Different lung lobes were processed for histology to evaluate inflammatory cell infiltration, airway and pulmonary remodeling, total collagen staining, and measurements of (i) collagen I and III mRNA expression by qRT-PCR; (ii) ERK1/2, IκB-α, and GATA3 protein levels by Western blotting; and (iii) eosinophilic peroxidase activity. Total number of inflammatory cells, proportion of apoptotic eosinophils and immunofluorescence for caspase 3 and NF-κB in leukocytes were evaluated in the BAL. Mas receptor immunostaining was evaluated in mouse and human eosinophils. Engulfment of human polimorphonuclear cells by macrophages, efferocytosis, was evaluated in vivo. Ang-(1-7) reduced eosinophils in the lung and in the BAL, increased the number of apoptotic eosinophils, shown by histology criteria and by increase in caspase 3 immunostaining. Furthermore, Ang-(1-7) decreased NF-kB immunostaining in eosinophils, reduced GATA3, ERK1/2, and IκB-α expression in the lung and decreased pulmonary remodeling and collagen deposition. Importantly, Ang-(1-7) increased efferocytosis. Our results demonstrate, for the first time, Ang-(1-7) activates events that are crucial for resolution of the inflammatory process of asthma and promotion of the return of lung homeostasis, indicating Ang-(1-7) as novel endogenous inflammation-resolving mediator.
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Affiliation(s)
- Giselle S Magalhaes
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Lívia C Barroso
- Department of Biochemistry and Immunology, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Alesandra C Reis
- Department of Morphology, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Maria G Rodrigues-Machado
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Juliana F Gregório
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Daisy Motta-Santos
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Aline C Oliveira
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Denise A Perez
- Department of Morphology, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Lucíola S Barcelos
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Mauro M Teixeira
- Department of Biochemistry and Immunology, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Robson A S Santos
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Vanessa Pinho
- Department of Morphology, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Maria Jose Campagnole-Santos
- Department of Physiology and Biophysics, Biological Sciences Institute, Federal University of Minas Gerais, Belo Horizonte, Brazil
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26
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Han M, Ji X, Li G, Sang N. NO 2 inhalation enhances asthma susceptibility in a rat model. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27843-27854. [PMID: 28986735 DOI: 10.1007/s11356-017-0402-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 10/02/2017] [Indexed: 06/07/2023]
Abstract
Nitrogen dioxide (NO2) is a major air pollutant. Epidemiologic studies have found that NO2 exposure is associated with an increased risk of asthma. Nevertheless, the potential molecular mechanisms remain unclear. In this study, we investigated the effect of NO2 inhalation on the occurrence of allergic airway inflammation and its underlying mechanisms. Firstly, male Wistar rats were exposed to 2 and 5 mg/m3 NO2 (28 days, 5 h/day). The results showed that NO2 exposure could induce pulmonary inflammatory response, mucus formation, and Th1/Th2 imbalance in the lung of normal rats, resulting in allergic asthma-like features. Secondly, male Wistar rats were exposed to 5 mg/m3 NO2 (42 days, 5 h/day), sensitized with ovalbumin (OVA), challenged with aerosolized OVA, and characterized in asthma models. Results showed that NO2 exposure aggravated lung inflammation in the OVA-sensitized rats, accompanied by the increase in inflammatory cell infiltration, mucus hypersecretion, and collagen deposition. Furthermore, NO2 exposure promoted the increase in the expression of mucin gene (MUC5AC) and pro-inflammatory factors [interleukin (IL)-1β, intercellular adhesion molecule-1 (ICAM-1), and IL-6] as well as serum OVA-specific immunoglobulin E (IgE) production. Taken together, we established that NO2 exposure promotes allergic airway inflammation and increases the asthma susceptibility. The underlying mechanisms involve the promotion of activation of interleukin-4/signal transducer and activator of transcription-6 (IL-4/STAT6) pathway [IL-4 receptor (IL-4R) α, janus kinase (JAK) 1, JAK 3, and STAT6] and related transcription factor [T cell-specific protein-tyrosine kinase (Lck), extracellular-regulated kinase (ERK)1/2, and nuclear factor-κB (NF-κB)]. In particular, the imbalance of Th1/Th2 cell differentiation [IL-4, interferon (IFN)-γ, GATA-binding protein-3 (GATA-3), and T-box expressed in T cells (T-bet)] plays a pivotal role in NO2-induced inflammatory responses. These findings may provide a better understanding of mechanism of NO2-associated respiratory diseases.
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Affiliation(s)
- Ming Han
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, 030006, Shanxi, People's Republic of China.
| | - Xiaotong Ji
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, 030006, Shanxi, People's Republic of China
| | - Guangke Li
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, 030006, Shanxi, People's Republic of China.
| | - Nan Sang
- College of Environment and Resource, Research Center of Environment and Health, Shanxi University, Taiyuan, 030006, Shanxi, People's Republic of China
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27
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Targeting CXCR7 improves the efficacy of breast cancer patients with tamoxifen therapy. Biochem Pharmacol 2017; 147:128-140. [PMID: 29175422 DOI: 10.1016/j.bcp.2017.11.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Accepted: 11/21/2017] [Indexed: 01/09/2023]
Abstract
Chemokine (C-X-C motif) receptor 7 (CXCR7) has been established to be involved in breast cancer (BCa) progression. However, the role of CXCR7 in different subtype of BCa still remains unclear. Here we note that CXCR7 expression is significantly amplified in Luminal type BCa tissues as compared with Her2 and TNBC types through data-mining in TCGA datasets, and its protein level positively correlates with ERα expression by staining of human BCa tissue. Interestingly, alteration of CXCR7 expression in Luminal type BCa cells is able to modulate the expression of ERα through ubiquitination at post-translational level. Additionally, overexpression of CXCR7 in these cells greatly induces 4-OHT insensitivity in vitro and is associated with earlier recurrence in patients with tamoxifen therapy. Notably, silencing ERα expression potentially rescues the sensitivity of the above cells to 4-OHT, suggesting that elevated level of ERα is responsible for CXCR7-induced 4-OHT insensitivity in Luminal type BCa. Finally, mechanistic analyses show that the reduced BRCA1 (ubiquitin E3 ligase) and elevated OTUB1 (deubiquitinase) expression, which are regulated by CXCR7/ERK1/2 signaling pathway, are responsible for stabilizing ERα protein. In conclusion, our results suggest that targeting CXCR7 may serve as a potential therapeutic strategy for improving the efficacy of BCa patients with tamoxifen therapy.
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28
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Li J, Zhao L, Zhang Y, Li W, Duan X, Chen J, Guo Y, Yang S, Sun G, Li B. Imbalanced immune responses involving inflammatory molecules and immune-related pathways in the lung of acute and subchronic arsenic-exposed mice. ENVIRONMENTAL RESEARCH 2017; 159:381-393. [PMID: 28843991 DOI: 10.1016/j.envres.2017.08.036] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 08/17/2017] [Accepted: 08/18/2017] [Indexed: 06/07/2023]
Abstract
Inorganic arsenic has been claimed to increase the risk of pulmonary diseases through ingestion, as opposed to inhalation, which makes it a unique and intriguing environmental toxicant. However, the immunotoxic effects of lung, one of the targets of arsenic exposure, have not been extensively investigated in vivo. In the present study, we first confirmed that 2.5, 5 and 10mg/kg NaAsO2 orally for 24h dose-dependently triggered the infiltration of neutrophils, lymphocytes and macrophages in BALF. Not only the transcription activity, but also the secretion of proinflammatory cytokines IL-1β, IL-6 and TNF-α were consistently raised in the lung and BALF of acute arsenic-exposed mice. Acute oral administration of NaAsO2 also raised pulmonary MPO activity and mRNA levels of chemokine Mip-2 and Mcp-1. Meanwhile, obvious histopathological damages with inflammatory cells infiltration and erythrocyte aggregation around the capillaries were verified in the lung of mice drank arsenic-rich water freely for 3 months. Furthermore, we affirmed notable disturbance of CD4+ T-cell differentiation in the lung of acute arsenic-exposed mice, as demonstrated by up-regulated mRNA levels of regulator Gata3 and cytokine Il-4 of Th2, enhanced Foxp3 and Il-10 of Treg, down-regulated T-bet and Ifn-γ of Th1, as well as lessened Ror-γt and Il-23 of Th17. However, impressive elevation of cytokine Ifn-γ and Il-23, as well as moderate enhancement of Il-4 and Il-10 were found in the lung by subchronic arsenic administration. Finally, our present study demonstrated that both a single and sustained arsenic exposure prominently increased the expression of immune-related p38, JNK, ERK1/2 and NF-κB proteins in the lung tissue. While disrupting the pulmonary redox homeostasis by increasing MDA levels, exhausting GSH and impaired enzyme activities of CAT and GSH-Px, antioxidant regulator NRF2 and its downstream targets HO-1 and GSTO1/2 were also up-regulated by both acute and subchronic arsenic treatment. Conclusively, our present study demonstrated both acute and subchronic oral administration of arsenic triggers multiple pulmonary immune responses involving inflammatory molecules and T-cell differentiation, which might be closely associated with the imbalanced redox status and activation of immune-related MAPKs, NF-κB and anti-inflammatory NRF2 pathways.
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Affiliation(s)
- Jinlong Li
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China; Department of Occupational and Environmental Health, Key Laboratory of Occupational Health and Safety for Coal Industry in Hebei Province, School of Public Health, North China University of Science and Technology, Tangshan, Hebei, China
| | - Lu Zhao
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Yang Zhang
- Chengde City Center for Disease Prevention and Control, Chengde City, Hebei Province 069000, China
| | - Wei Li
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Xiaoxu Duan
- Department of Toxicology, School of Public Health, Shenyang Medical College, Shenyang 110034, Liaoning, China
| | - Jinli Chen
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Yuanyuan Guo
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Shan Yang
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Guifan Sun
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China
| | - Bing Li
- Environment and Non-Communicable Disease Research Center, Key Laboratory of Arsenic-related Biological Effects and Prevention and Treatment in Liaoning Province, School of Public Health, China Medical University, Shenyang 110122, China.
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29
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Jiao Y, Tan S, Xiong J. Proteomic changes of CD4 +/CD25 +/forkhead box p3 + regulatory T cells in a 30-day rat model of sepsis survival. Exp Ther Med 2017; 14:5619-5628. [PMID: 29285101 DOI: 10.3892/etm.2017.5233] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 07/20/2017] [Indexed: 02/07/2023] Open
Abstract
Sepsis is defined as life threatening organ dysfunction arising from a dysregulated host response to infection. The outcomes of sepsis include early mortality, delayed mortality and recovery, and depend on the inflammatory response. Previous studies have demonstrated that regulatory T cells (Tregs) are important in determining the outcome of sepsis, as their suppressive function serves a role in maintaining immune homeostasis. However, Treg-mediated immunosuppression during the course of sepsis remains unclear and little is known about the survival of patients following diagnosis. Studying the survivors of sepsis may explain the mechanisms of natural recovery. Therefore, a 30-day rat model of sepsis survival was established in the current study. Cluster of differentiation CD4+/CD25+/forkhead box p3+ Tregs were isolated from the blood and spleens of rats undergoing cecal ligation and puncture or sham surgery, using flow cytometry. Proteomic analysis was performed using nano high-performance liquid chromatography-mass spectrometry. Several different biological pathways associated with uncommon differentially-expressed proteins were identified in the blood and spleen survivor and sham groups. Extracellular-regulated kinase/mitogen-activated protein kinase, as well as integrin and actin cytoskeletal pathway elements, including Ras-related protein 1b, talin 1 and filamin A, were associated with Tregs in the blood. Pathway elements associated with cell cycle regulators in the B-cell translocation gene family of proteins, tumor necrosis factor receptor superfamily member 4, Hippo signaling, P70-S6 kinase 1, phosphatidylinositol 3-kinase/protein kinase B signaling and 1,25-dihydroxyvitamin D3 biosynthesis were associated with Tregs from the spleen including phosphatase 2A activator regulatory factor 4, histone arginine methyltransferase, CD4, major histocompatibility complex class I antigens, 14-3-3 protein θ and nicotinamide adenine dinucleotide phosphate cytochrome P450 reductase. These results explain the mechanism by which Tregs naturally recover and indicates that Tregs in the blood and spleen vary. Differentially-expressed proteins serving a role in these pathways provide additional insight for the identification of new targets for the diagnosis and treatment of sepsis.
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Affiliation(s)
- Yuxia Jiao
- Department of Anesthesiology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116027, P.R. China
| | - Siqi Tan
- Department of Anesthesiology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116027, P.R. China
| | - Junyu Xiong
- Department of Anesthesiology, The Second Hospital of Dalian Medical University, Dalian, Liaoning 116027, P.R. China
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30
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Role of JMJD2B in colon cancer cell survival under glucose-deprived conditions and the underlying mechanisms. Oncogene 2017; 37:389-402. [DOI: 10.1038/onc.2017.345] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2016] [Revised: 06/24/2017] [Accepted: 07/28/2017] [Indexed: 12/12/2022]
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31
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Song C, Xue L. Roles of the µ-opioid receptor and its related signaling pathways in the pathogenesis of premenstrual syndrome liver-qi stagnation. Exp Ther Med 2017; 13:3130-3136. [PMID: 28587388 DOI: 10.3892/etm.2017.4374] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Accepted: 12/23/2016] [Indexed: 01/08/2023] Open
Abstract
The present study aimed to investigate the roles of the µ-opioid receptor (MOR) and its related signaling pathways in the pathogenesis of premenstrual syndrome (PMS) liver-qi stagnation, along with the therapeutic effects of the Shu-Yu capsule in treating the condition. A PMS liver-qi stagnation rat model was established using a chronic restraint stress method. The protein expression level of MOR within rat hippocampal tissue was detected via western blot analysis and cyclic adenosine monophosphate (cAMP) levels within the supernatant of a rat hippocampal cell culture were determined by ELISA. The western blot analysis indicated that the hippocampal expression level of MOR was significantly elevated in the PMS liver-qi stagnation model group. However, subsequent treatment with a Shu-Yu capsule was found to significantly decrease the level of MOR expression. In addition, in vitro experiments were performed, whereby primary hippocampal neurons were treated with model rat serum. It was observed that the level of MOR expression was significantly elevated, while brain-derived neurotrophic factor (BDNF) and cAMP levels in the culture supernatant were significantly decreased. These effects were reversed by treatment with serum from the Shu-Yu capsule-treated rats. Furthermore, when treated with the MOR activator DAMGO, the following were significantly decreased in the primary neurons: Phosphorylation levels of cAMP response element binding protein and extracellular signal-regulated protein kinases (ERK); BDNF expression; and cAMP content in the culture supernatant. These effects were reversed in primary neurons treated with DAMGO and Shu-Yu-containing rat serum. Collectively, the data suggest that increased MOR expression and activation of the cAMP/ERK signaling pathway in the hippocampus may be involved in the pathogenesis of PMS liver-qi stagnation. Furthermore, the efficacy of the Shu-Yu capsule in treating the condition may be via its regulation of MOR receptor signaling.
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Affiliation(s)
- Chunhong Song
- Key Laboratory for Classical Theory of Traditional Chinese Medicine, The Education Ministry, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China
| | - Ling Xue
- Key Laboratory for Classical Theory of Traditional Chinese Medicine, The Education Ministry, Shandong University of Traditional Chinese Medicine, Jinan, Shandong 250355, P.R. China
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Lin R, Nie J, Ren J, Liang R, Li D, Wang P, Gao C, Zhuo C, Yang C, Li B. USP4 interacts and positively regulates IRF8 function via K48-linked deubiquitination in regulatory T cells. FEBS Lett 2017; 591:1677-1686. [DOI: 10.1002/1873-3468.12668] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Revised: 03/20/2017] [Accepted: 05/03/2017] [Indexed: 11/07/2022]
Affiliation(s)
- Ruirong Lin
- Department of Gastrointestinal Surgical Oncology; Fujian Provincial Key Laboratory of Tumor Biotherapy; Fujian Cancer Hospital & Fujian Medical University Cancer Hospital; Fuzhou China
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
- Key Laboratory of Molecular Virology & Immunology; CAS Center for Excellence in Molecular Cell Science; Unit of Molecular Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences Medical School; Shanghai China
| | - Jia Nie
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
| | - Jiazi Ren
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
- Key Laboratory of Molecular Virology & Immunology; CAS Center for Excellence in Molecular Cell Science; Unit of Molecular Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences Medical School; Shanghai China
| | - Rui Liang
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
- Key Laboratory of Molecular Virology & Immunology; CAS Center for Excellence in Molecular Cell Science; Unit of Molecular Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences Medical School; Shanghai China
| | - Dan Li
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
- Key Laboratory of Molecular Virology & Immunology; CAS Center for Excellence in Molecular Cell Science; Unit of Molecular Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences Medical School; Shanghai China
| | - Ping Wang
- Department of Central Laboratory; School of Life Science and Technology; Shanghai Tenth People's Hospital of Tongji University; Tongji University; Shanghai China
| | - Chengjiang Gao
- Department of Immunology and Key Laboratory of Infection and Immunity of Shandong Province; Shandong University School of Basic Medical Sciences; Jinan China
| | - Changhua Zhuo
- Department of Gastrointestinal Surgical Oncology; Fujian Provincial Key Laboratory of Tumor Biotherapy; Fujian Cancer Hospital & Fujian Medical University Cancer Hospital; Fuzhou China
| | - Chunkang Yang
- Department of Gastrointestinal Surgical Oncology; Fujian Provincial Key Laboratory of Tumor Biotherapy; Fujian Cancer Hospital & Fujian Medical University Cancer Hospital; Fuzhou China
| | - Bin Li
- Shanghai Institute of Immunology; Shanghai JiaoTong University School of Medicine; China
- Key Laboratory of Molecular Virology & Immunology; CAS Center for Excellence in Molecular Cell Science; Unit of Molecular Immunology; Institut Pasteur of Shanghai; Shanghai Institutes for Biological Sciences; Chinese Academy of Sciences; University of Chinese Academy of Sciences Medical School; Shanghai China
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Zhong J, Wang H, Chen W, Sun Z, Chen J, Xu Y, Weng M, Shi Q, Ma D, Miao C. Ubiquitylation of MFHAS1 by the ubiquitin ligase praja2 promotes M1 macrophage polarization by activating JNK and p38 pathways. Cell Death Dis 2017; 8:e2763. [PMID: 28471450 PMCID: PMC5520684 DOI: 10.1038/cddis.2017.102] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2016] [Revised: 01/18/2017] [Accepted: 02/13/2017] [Indexed: 02/07/2023]
Abstract
Sepsis is a systemic inflammation caused by infection. The balance between M1–M2 macrophage polarization has an essential role in the pathogenesis of sepsis. However, the exact mechanism underlying macrophage polarization is unclear. We previously showed that levels of malignant fibrous histiocytoma amplified sequence 1 (MFHAS1) were significantly elevated in septic patients compared with those in nonseptic patients, and involved in the activation of Toll-like receptor (TLR) 2/c-Jun N-terminal kinase (JNK)/nuclear factor (NF)-κB pathway. In the present study, we explored whether MFHAS1 was involved in macrophage polarization and determined the effect of MFHAS1 on inflammation. We performed in vitro pulldown assays and in vivo co-immunoprecipitation assays and found that E3 ubiquitin ligase praja2 could directly bind to MFHAS1. In situ immunostaining analysis confirmed the colocalization of endogenous praja2 with MFHAS1. We first reported that praja2 promotes the accumulation of ubiquitylated MFHAS1 but does not degrade it. Moreover, our results indicate that MFHAS1 ubiquitylation by praja2 positively regulates TLR2-mediated JNK/p38 pathway and promotes M1 macrophage polarization, M2 to M1 macrophage transformation and inflammation.
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Affiliation(s)
- Jing Zhong
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Huihui Wang
- Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical College, Xuzhou, China
| | - Wankun Chen
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Zhirong Sun
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Jiawei Chen
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Yajun Xu
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Meilin Weng
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China
| | - Qiqing Shi
- Department of Anesthesiology, Children's Hospital of Fudan University, Shanghai, China
| | - Duan Ma
- Key Laboratory of Metabolism and Molecular Medicine, Ministry of Education, Department of Biochemistry and Molecular Biology, Collaborative Innovation Center of Genetics and Development, Institute of Biomedical Sciences, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Changhong Miao
- Department of Anesthesiology, Fudan University Shanghai Cancer Center, Shanghai, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, China.,Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical College, Xuzhou, China
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Chen CC, Kobayashi T, Iijima K, Hsu FC, Kita H. IL-33 dysregulates regulatory T cells and impairs established immunologic tolerance in the lungs. J Allergy Clin Immunol 2017; 140:1351-1363.e7. [PMID: 28196763 DOI: 10.1016/j.jaci.2017.01.015] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 12/10/2016] [Accepted: 01/05/2017] [Indexed: 12/29/2022]
Abstract
BACKGROUND Airway exposure to environmental antigens generally leads to immunologic tolerance. A fundamental question remains: Why is airway tolerance compromised in patients with allergic airway diseases? IL-33 promotes innate and adaptive type 2 immunity and might provide the answer to this question. OBJECTIVE The goal of this study was to investigate the roles played by IL-33 in altering regulatory T (Treg) cells in the lungs and in affecting previously established airway immunologic tolerance. METHODS We analyzed CD4+ forkhead box P3 (Foxp3)+ Treg cells that were isolated from the lungs of naive BALB/c mice and those treated with IL-33. Airway tolerance and allergen-induced airway inflammation models in mice were used to investigate how IL-33 affects established immunologic tolerance in vivo. RESULTS CD4+Foxp3+ Treg cells in the lungs expressed the IL-33 receptor ST2. When exposed to IL-33, Treg cells upregulated their expression of the canonical TH2 transcription factor GATA3, as well as ST2, and produced type 2 cytokines. Treg cells lost their ability to suppress effector T cells in the presence of IL-33. Airway administration of IL-33 with an antigen impaired immunologic tolerance in the lungs that had been established by prior exposure to the antigen. Dysregulated Foxp3+ Treg cells with distinct characteristics of TH2 cells increased in the lungs of mice undergoing IL-33-dependent allergen-driven airway inflammation. CONCLUSIONS IL-33 dysregulated lung Treg cells and impaired immunologic tolerance to inhaled antigens. Established airway tolerance might not be sustained in the presence of an innate immunologic stimulus, such as IL-33.
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Affiliation(s)
| | | | - Koji Iijima
- Department of Medicine, Mayo Clinic Rochester, Minn
| | - Fan-Chi Hsu
- Department of Immunology, Mayo Clinic Rochester, Minn
| | - Hirohito Kita
- Department of Immunology, Mayo Clinic Rochester, Minn; Department of Medicine, Mayo Clinic Rochester, Minn.
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Mitra I, Lavillaureix A, Yeh E, Traglia M, Tsang K, Bearden CE, Rauen KA, Weiss LA. Reverse Pathway Genetic Approach Identifies Epistasis in Autism Spectrum Disorders. PLoS Genet 2017; 13:e1006516. [PMID: 28076348 PMCID: PMC5226683 DOI: 10.1371/journal.pgen.1006516] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2016] [Accepted: 12/01/2016] [Indexed: 02/08/2023] Open
Abstract
Although gene-gene interaction, or epistasis, plays a large role in complex traits in model organisms, genome-wide by genome-wide searches for two-way interaction have limited power in human studies. We thus used knowledge of a biological pathway in order to identify a contribution of epistasis to autism spectrum disorders (ASDs) in humans, a reverse-pathway genetic approach. Based on previous observation of increased ASD symptoms in Mendelian disorders of the Ras/MAPK pathway (RASopathies), we showed that common SNPs in RASopathy genes show enrichment for association signal in GWAS (P = 0.02). We then screened genome-wide for interactors with RASopathy gene SNPs and showed strong enrichment in ASD-affected individuals (P < 2.2 x 10-16), with a number of pairwise interactions meeting genome-wide criteria for significance. Finally, we utilized quantitative measures of ASD symptoms in RASopathy-affected individuals to perform modifier mapping via GWAS. One top region overlapped between these independent approaches, and we showed dysregulation of a gene in this region, GPR141, in a RASopathy neural cell line. We thus used orthogonal approaches to provide strong evidence for a contribution of epistasis to ASDs, confirm a role for the Ras/MAPK pathway in idiopathic ASDs, and to identify a convergent candidate gene that may interact with the Ras/MAPK pathway.
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Affiliation(s)
- Ileena Mitra
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
| | - Alinoë Lavillaureix
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
- Université Paris Descartes, Sorbonne Paris Cité, Faculty of Medicine, Paris, France
| | - Erika Yeh
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
| | - Michela Traglia
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
| | - Kathryn Tsang
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
| | - Carrie E. Bearden
- Department of Psychiatry and Biobehavioral Sciences, Semel Institute for Neuroscience and Human Behavior, University of California Los Angeles, Los Angeles, California, United States of America
- Department of Psychology, University of California Los Angeles, Los Angeles, California, United States of America
| | - Katherine A. Rauen
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
- Department of Pediatrics, School of Medicine, University of California San Francisco, San Francisco, California, United States of America
| | - Lauren A. Weiss
- Department of Psychiatry, University of California San Francisco, San Francisco, California, United States of America
- Institute for Human Genetics, University of California San Francisco, San Francisco, California, United States of America
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Song S, Lee SJ, Park DJ, Oh S, Lim KT. The anti-allergic activity of Lactobacillus plantarum L67 and its application to yogurt. J Dairy Sci 2016; 99:9372-9382. [DOI: 10.3168/jds.2016-11809] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Accepted: 09/02/2016] [Indexed: 01/04/2023]
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Gao SF, Zhong B, Lin D. Regulation of T helper cell differentiation by E3 ubiquitin ligases and deubiquitinating enzymes. Int Immunopharmacol 2016; 42:150-156. [PMID: 27914308 DOI: 10.1016/j.intimp.2016.11.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2016] [Revised: 11/16/2016] [Accepted: 11/16/2016] [Indexed: 12/22/2022]
Abstract
CD4 T cells are essential components of adaptive immunity and play a critical role in anti-pathogenic or anti-tumor responses as well as autoimmune and allergic diseases. Naive CD4 T cells differentiate into distinct subsets of T helper (Th) cells by various signals including TCR, costimulatory and cytokine signals. Accumulating evidence suggests that these signaling pathways are critically regulated by ubiquitination and deubiquitination, two reversible posttranslational modifications mediated by E3 ubiquitin ligases and deubiquitinating enzymes (DUBs), respectively. In this review, we briefly introduce the signaling pathways that control the differentiation of Th cells and then focused on the roles of E3s- and DUBs-mediated ubiquitin modification or demodification in regulating Th cell differentiation.
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Affiliation(s)
- Si-Fa Gao
- Cancer Center, Renmin Hospital, Wuhan University, Wuhan 430060, China
| | - Bo Zhong
- State Key Laboratory of Virology, College of Life Sciences, Wuhan University, Wuhan 430072, China
| | - Dandan Lin
- Cancer Center, Renmin Hospital, Wuhan University, Wuhan 430060, China.
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Nakayama T, Hirahara K, Onodera A, Endo Y, Hosokawa H, Shinoda K, Tumes DJ, Okamoto Y. Th2 Cells in Health and Disease. Annu Rev Immunol 2016; 35:53-84. [PMID: 27912316 DOI: 10.1146/annurev-immunol-051116-052350] [Citation(s) in RCA: 240] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Helper T (Th) cell subsets direct immune responses by producing signature cytokines. Th2 cells produce IL-4, IL-5, and IL-13, which are important in humoral immunity and protection from helminth infection and are central to the pathogenesis of many allergic inflammatory diseases. Molecular analysis of Th2 cell differentiation and maintenance of function has led to recent discoveries that have refined our understanding of Th2 cell biology. Epigenetic regulation of Gata3 expression by chromatin remodeling complexes such as Polycomb and Trithorax is crucial for maintaining Th2 cell identity. In the context of allergic diseases, memory-type pathogenic Th2 cells have been identified in both mice and humans. To better understand these disease-driving cell populations, we have developed a model called the pathogenic Th population disease induction model. The concept of defined subsets of pathogenic Th cells may spur new, effective strategies for treating intractable chronic inflammatory disorders.
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Affiliation(s)
- Toshinori Nakayama
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , , .,AMED-CREST, AMED, Chiba 260-8670, Japan
| | - Kiyoshi Hirahara
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , ,
| | - Atsushi Onodera
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , , .,Institute for Global Prominent Research, Chiba University, Chiba 260-8670, Japan
| | - Yusuke Endo
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , ,
| | - Hiroyuki Hosokawa
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , ,
| | - Kenta Shinoda
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , ,
| | - Damon J Tumes
- Department of Immunology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan; , , , , , , , .,South Australian Health and Medical Research Institute, North Terrace, Adelaide SA 5000, Australia
| | - Yoshitaka Okamoto
- Department of Otorhinolaryngology, Graduate School of Medicine, Chiba University, Chiba 260-8670, Japan
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Huang P, Zhou Y, Liu Z, Zhang P. Interaction between ANXA1 and GATA-3 in Immunosuppression of CD4 + T Cells. Mediators Inflamm 2016; 2016:1701059. [PMID: 27833268 PMCID: PMC5090097 DOI: 10.1155/2016/1701059] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 09/20/2016] [Indexed: 01/29/2023] Open
Abstract
Decreased Th1/Th2 ratio is one of the major characteristics of immunosuppression in sepsis. Both membrane adhesive protein Annexin-A1 (ANXA1) and transcription factor GATA-3 have been reported to play important roles in T cell differentiation. However, the relationship between ANXA1 and GATA-3 in Th1/Th2 shift is unknown. Our study investigated the interaction effects of ANXA1 and GATA-3 to influence T cell differentiation in CD4+ T cells. We found that GATA-3 and ANXA1 were coexpressed on Th0/Th1/Th2 cytoplasm and nuclear. Overexpressed ANXA1 significantly increased the expression of IFNγ and reduced IL-4 expression in T cells, while ANXA1-silenced T cells exhibited decreased production of IFNγ and increased production of IL-4. Knockdown of ANXA1 promoted higher expression level of GATA-3 and low level of T-box transcription factor (T-bet/Tbx21). Further study demonstrated that ANXA1 regulated GATA-3 expression through the formyl peptide receptor like-1 (FPRL-1) downstream signaling pathways ERK and PKB/Akt. These results suggested that ANXA1 modulates GATA-3/T-bet expression induced Th0/Th1 differentiation. Moreover, we found that GATA-3 inhibited ANXA1 expression by binding to its promoter for the first time. It is proposed that the interactions between ANXA1 and GATA-3 may provide clues to understand the immunosuppression and have potential as new therapeutic targets in immunotherapy after sepsis.
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Affiliation(s)
- Peng Huang
- Department of Burns and Reconstructive Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yuxiang Zhou
- Department of Burns and Reconstructive Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Zan Liu
- Department of Burns and Reconstructive Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Pihong Zhang
- Department of Burns and Reconstructive Surgery, Xiangya Hospital, Central South University, Changsha, Hunan, China
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Abimannan T, Peroumal D, Parida JR, Barik PK, Padhan P, Devadas S. Oxidative stress modulates the cytokine response of differentiated Th17 and Th1 cells. Free Radic Biol Med 2016; 99:352-363. [PMID: 27567538 DOI: 10.1016/j.freeradbiomed.2016.08.026] [Citation(s) in RCA: 53] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 08/17/2016] [Accepted: 08/23/2016] [Indexed: 12/11/2022]
Abstract
Reactive oxygen species (ROS) signaling is critical in T helper (Th) cell differentiation; however its role in differentiated Th cell functions is unclear. In this study, we investigated the role of oxidative stress on the effector functions of in vitro differentiated mouse Th17 and Th1 cells or CD4+ T cells from patients with Rheumatoid Arthritis using pro-oxidants plumbagin (PB) and hydrogen peroxide. We found that in mouse Th cells, non-toxic concentration of pro-oxidants inhibited reactivation induced expression of IL-17A in Th17 and IFN-γ in Th1 cells by reducing the expression of their respective TFs, RORγt and T-bet. Interestingly, in both the subsets, PB increased the expression of IL-4 by enhancing reactivation induced ERK1/2 phosphorylation. We further investigated the cytokine modulatory effect of PB on CD4+ T cells isolated from PBMCs of patients with Rheumatoid Arthritis, a well-known Th17 and or Th1 mediated disease. In human CD4+ T cells from Rheumatoid Arthritis patients, PB reduced the frequencies of IL-17A+ (Th17), IFN-γ+ (Th1) and IL-17A+/IFN-γ+ (Th17/1) cells and also inhibited the production of pro-inflammatory cytokines TNF-α and IL-6. N-Acetyl Cysteine (NAC) an antioxidant completely reversed PB mediated cytokine modulatory effects in both mouse and human cells indicating a direct role for ROS. Together our data suggest that oxidative microenvironment can alter cytokine response of terminally differentiated cells and thus altering intracellular ROS could be a potential way to target Th17 and Th1 cells in autoimmune disorders.
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Affiliation(s)
- Thiruvaimozhi Abimannan
- Infectious Disease Biology, Institute of Life Sciences, Chandrashekarpur, Bhubaneswar 751023, Odisha, India
| | - Doureradjou Peroumal
- Infectious Disease Biology, Institute of Life Sciences, Chandrashekarpur, Bhubaneswar 751023, Odisha, India
| | - Jyoti R Parida
- Institute of Medical Sciences & SUM Hospital, Kalinga Nagar, Bhubaneswar 751003, Odisha, India
| | - Prakash K Barik
- Infectious Disease Biology, Institute of Life Sciences, Chandrashekarpur, Bhubaneswar 751023, Odisha, India
| | - Prasanta Padhan
- Kalinga Institute of Medical Sciences, Patia, Bhubaneswar 751024, Odisha, India
| | - Satish Devadas
- Infectious Disease Biology, Institute of Life Sciences, Chandrashekarpur, Bhubaneswar 751023, Odisha, India.
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Yasuoka T, Kuwahara M, Yamada T, Maruyama S, Suzuki J, Taniguchi M, Yasukawa M, Yamashita M. The Transcriptional Repressor Gfi1 Plays a Critical Role in the Development of NKT1- and NKT2-Type iNKT Cells. PLoS One 2016; 11:e0157395. [PMID: 27284976 PMCID: PMC4902269 DOI: 10.1371/journal.pone.0157395] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2016] [Accepted: 05/27/2016] [Indexed: 01/09/2023] Open
Abstract
Gfi1 plays an important role in the development and maintenance of many hematopoietic linage cells. However, the impact of Gfi1-deficiency on the iNKT cell differentiation remains unclear. We herein demonstrate a critical role of Gfi1 in regulating the development of iNKT cell subsets. In the thymus of T cell-specific Gfi1-deficient mice, iNKT cells normally developed up to stage 2, while the number of stage 3 NK1.1pos iNKT cells was significantly reduced. Furthermore, CD4pos iNKT cells were selectively reduced in the peripheral organs of T cell-specific Gfi1-deficient mice. The α-GalCer-dependent production of IFN-γand Th2 cytokines, but not IL-17A, was severely reduced in T cell-specific Gfi1-deficient mice. In addition, a reduction of the α-GalCer-induced anti-tumor activity was observed in Gfi1-deficient mice. These findings demonstrate the important role of Gfi1 in regulating the development and function of NKT1- and NKT2-type iNKT cell subsets.
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Affiliation(s)
- Toshiaki Yasuoka
- Department of Obstetrics and Gynecology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
| | - Makoto Kuwahara
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
- Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Ehime, Japan
- Division of Immune Regulation, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon, Ehime, Japan
| | - Takeshi Yamada
- Department of Infection and Host Defenses, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
| | - Saho Maruyama
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
| | - Junpei Suzuki
- Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Ehime, Japan
- Department of Hematology, Clinical Immunology and Infectious Diseases, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
| | - Masaru Taniguchi
- Laboratory of Immune Regulation, RIKEN Center for Integrative Medical Sciences, 1-7-22 suehiro-cho, Tsurumi-ku, Yokohama, Japan
| | - Masaki Yasukawa
- Department of Hematology, Clinical Immunology and Infectious Diseases, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
| | - Masakatsu Yamashita
- Department of Immunology, Graduate School of Medicine, Ehime University, Shitsukawa, Toon, Ehime, Japan
- Translational Research Center, Ehime University Hospital, Shitsukawa, Toon, Ehime, Japan
- Division of Immune Regulation, Department of Proteo-Inovation, Proteo-Science Center, Ehime University, Toon, Ehime, Japan
- * E-mail:
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Takekuma M, Wong KK, Coleman RL. A long-term surviving patient with recurrent low-grade serous ovarian carcinoma treated with the MEK1/2 inhibitor, selumetinib. GYNECOLOGIC ONCOLOGY RESEARCH AND PRACTICE 2016. [PMID: 27231576 DOI: 10.1186/s40661-016-0026-5] [] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Selumetinib is a potent, selective, orally available, and non-ATP competitive small molecule inhibitor of mitogen-activated protein kinase kinase 1/2 (MEK1/2) that has demonstrated single agent activity in a number of solid tumor including recurrent low-grade serous ovarian carcinoma (LGSOC). However, the long-term prognosis of patients who receive selumetinib, as well as the late toxicity of the agent, have not yet been described. CASE PRESENTATION In this case report, we present a patient with recurrent LGSOC with KRAS mutation whose tumor has not progressed and who has maintained a good general condition without severe toxicities following treatment with selumetinib for more than 7 years. Next generation sequencing of her tumor revealed a G12V mutation in KRAS. MAPK signaling inhibition plays a role in the biology of LGSOC. CONCLUSIONS Although biomarkers have yet to definitively define patients with LGSOC who are likely to respond to therapy, exploration of specific alterations should be pursued in an excersie to develop a reliable companion diagnostic test.
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Affiliation(s)
- Munetaka Takekuma
- The Division of Gynecology, Shizuoka Cancer Center, Shizuoka, 411-8777 Japan
| | - Kwong K Wong
- Department of Gynecologic Oncology & Reproductive Medicine, University of Texas, M.D. Anderson Cancer Center, 1155 Herman Pressler Dr., CPB6.3590, Houston, TX 77030 USA
| | - Robert L Coleman
- Department of Gynecologic Oncology & Reproductive Medicine, University of Texas, M.D. Anderson Cancer Center, 1155 Herman Pressler Dr., CPB6.3590, Houston, TX 77030 USA
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Layman AAK, Oliver PM. Ubiquitin Ligases and Deubiquitinating Enzymes in CD4+ T Cell Effector Fate Choice and Function. JOURNAL OF IMMUNOLOGY (BALTIMORE, MD. : 1950) 2016; 196:3975-82. [PMID: 27183634 PMCID: PMC5738552 DOI: 10.4049/jimmunol.1502660] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2015] [Accepted: 03/10/2016] [Indexed: 12/22/2022]
Abstract
The human body is exposed to potentially pathogenic microorganisms at barrier sites such as the skin, lungs, and gastrointestinal tract. To mount an effective response against these pathogens, the immune system must recruit the right cells with effector responses that are appropriate for the task at hand. Several types of CD4(+) T cells can be recruited, including Th cells (Th1, Th2, and Th17), T follicular helper cells, and regulatory T cells. These cells help to maintain normal immune homeostasis in the face of constantly changing microbes in the environment. Because these cells differentiate from a common progenitor, the composition of their intracellular milieu of proteins changes to appropriately guide their effector function. One underappreciated process that impacts the levels and functions of effector fate-determining factors is ubiquitylation. This review details our current understanding of how ubiquitylation regulates CD4(+) T cell effector identity and function.
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Affiliation(s)
- Awo A K Layman
- Medical Scientist Training Program, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104; and
| | - Paula M Oliver
- Department of Pathology, Children's Hospital of Philadelphia and Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA 19104
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Takekuma M, Wong KK, Coleman RL. A long-term surviving patient with recurrent low-grade serous ovarian carcinoma treated with the MEK1/2 inhibitor, selumetinib. GYNECOLOGIC ONCOLOGY RESEARCH AND PRACTICE 2016; 3:5. [PMID: 27231576 PMCID: PMC4880811 DOI: 10.1186/s40661-016-0026-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/16/2016] [Accepted: 04/27/2016] [Indexed: 12/31/2022]
Abstract
Background Selumetinib is a potent, selective, orally available, and non-ATP competitive small molecule inhibitor of mitogen-activated protein kinase kinase 1/2 (MEK1/2) that has demonstrated single agent activity in a number of solid tumor including recurrent low-grade serous ovarian carcinoma (LGSOC). However, the long-term prognosis of patients who receive selumetinib, as well as the late toxicity of the agent, have not yet been described. Case Presentation In this case report, we present a patient with recurrent LGSOC with KRAS mutation whose tumor has not progressed and who has maintained a good general condition without severe toxicities following treatment with selumetinib for more than 7 years. Next generation sequencing of her tumor revealed a G12V mutation in KRAS. MAPK signaling inhibition plays a role in the biology of LGSOC. Conclusions Although biomarkers have yet to definitively define patients with LGSOC who are likely to respond to therapy, exploration of specific alterations should be pursued in an excersie to develop a reliable companion diagnostic test.
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Affiliation(s)
- Munetaka Takekuma
- The Division of Gynecology, Shizuoka Cancer Center, Shizuoka, 411-8777 Japan
| | - Kwong K Wong
- Department of Gynecologic Oncology & Reproductive Medicine, University of Texas, M.D. Anderson Cancer Center, 1155 Herman Pressler Dr., CPB6.3590, Houston, TX 77030 USA
| | - Robert L Coleman
- Department of Gynecologic Oncology & Reproductive Medicine, University of Texas, M.D. Anderson Cancer Center, 1155 Herman Pressler Dr., CPB6.3590, Houston, TX 77030 USA
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Akt1-mediated Gata3 phosphorylation controls the repression of IFNγ in memory-type Th2 cells. Nat Commun 2016; 7:11289. [PMID: 27053161 PMCID: PMC4829694 DOI: 10.1038/ncomms11289] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2015] [Accepted: 03/09/2016] [Indexed: 12/21/2022] Open
Abstract
Th2 cells produce Th2 cytokines such as IL-4, IL-5 and IL-13, but repress Th1 cytokine IFNγ. Recent studies have revealed various distinct memory-type Th2 cell subsets, one of which produces a substantial amount of IFNγ in addition to Th2 cytokines, however it remains unclear precisely how these Th2 cells produce IFNγ. We herein show that phosphorylation of Gata3 at Ser308, Thr315 and Ser316 induces dissociation of a histone deacetylase Hdac2 from the Gata3/Chd4 repressive complex in Th2 cells. We also identify Akt1 as a Gata3-phosphorylating kinase, and the activation of Akt1 induces derepression of Tbx21 and Ifng expression in Th2 cells. Moreover, T-bet-dependent IFNγ expression in IFNγ-producing memory Th2 cells appears to be controlled by the phosphorylation status of Gata3 in human and murine systems. Thus, this study highlights the molecular basis for posttranslational modifications of Gata3 that control the regulation of IFNγ expression in memory Th2 cells.
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O'Brien TF, Bao K, Dell'Aringa M, Ang WXG, Abraham S, Reinhardt RL. Cytokine expression by invariant natural killer T cells is tightly regulated throughout development and settings of type-2 inflammation. Mucosal Immunol 2016; 9:597-609. [PMID: 26349658 PMCID: PMC4785102 DOI: 10.1038/mi.2015.78] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2014] [Accepted: 07/22/2015] [Indexed: 02/04/2023]
Abstract
Invariant natural killer T (iNKT) cells produce cytokines interleukin-4 (IL-4) and IL-13 during type-2 inflammatory responses. However, the nature in which iNKT cells acquire type-2 cytokine competency and the precise contribution of iNKT cell-derived IL-4 and IL-13 in vivo remains unclear. Using IL-13-reporter mice to fate-map cytokine-expressing cells in vivo, this study reveals that thymic iNKT cells express IL-13 early during development, and this IL-13-expressing intermediate gives rise to mature iNKT1, iNKT2, and iNKT17 subsets. IL-4 and IL-13 reporter mice also reveal that effector iNKT2 cells produce IL-4 but little IL-13 in settings of type-2 inflammation. The preferential production of IL-4 over IL-13 in iNKT2 cells results in part from their reduced GATA-3 expression. In summary, this work helps integrate current models of iNKT cell development, and further establishes non-coordinate production of IL-4 and IL-13 as the predominant pattern of type-2 cytokine expression among innate cells in vivo.
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Affiliation(s)
- T F O'Brien
- grid.189509.c0000000100241216Department of Immunology, Duke University Medical Center, Durham, North Carolina USA
| | - K Bao
- grid.189509.c0000000100241216Department of Immunology, Duke University Medical Center, Durham, North Carolina USA
| | - M Dell'Aringa
- grid.189509.c0000000100241216Department of Immunology, Duke University Medical Center, Durham, North Carolina USA
| | - W X G Ang
- grid.189509.c0000000100241216Department of Pathology, Duke University Medical Center, Durham, North Carolina USA
| | - S Abraham
- grid.189509.c0000000100241216Department of Pathology, Duke University Medical Center, Durham, North Carolina USA
| | - R L Reinhardt
- grid.189509.c0000000100241216Department of Immunology, Duke University Medical Center, Durham, North Carolina USA
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Chen Q, Tao J, Hei H, Li F, Wang Y, Peng W, Zhang X. Up-Regulatory Effects of Curcumin on Large Conductance Ca2+-Activated K+ Channels. PLoS One 2015; 10:e0144800. [PMID: 26672753 PMCID: PMC4682634 DOI: 10.1371/journal.pone.0144800] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2015] [Accepted: 11/24/2015] [Indexed: 12/21/2022] Open
Abstract
Large conductance Ca2+-activated potassium channels (BK) are targets for research that explores therapeutic means to various diseases, owing to the roles of the channels in mediating multiple physiological processes in various cells and tissues. We investigated the pharmacological effects of curcumin, a compound isolated from the herb Curcuma longa, on BK channels. As recorded by whole-cell patch-clamp, curcumin increased BK (α) and BK (α+β1) currents in transfected HEK293 cells as well as the current density of BK in A7r5 smooth muscle cells in a dose-dependent manner. By incubating with curcumin for 24 hours, the current density of exogenous BK (α) in HEK293 cells and the endogenous BK in A7r5 cells were both enhanced notably, though the steady-state activation of the channels did not shift significantly, except for BK (α+β1). Curcumin up-regulated the BK protein expression without changing its mRNA level in A7r5 cells. The surface expression and the half-life of BK channels were also increased by curcumin in HEK293 cells. These effects of curcumin were abolished by MG-132, a proteasome inhibitor. Curcumin also increased ERK 1/2 phosphorylation, while inhibiting ERK by U0126 attenuated the curcumin-induced up-regulation of BK protein expression. We also observed that the curcumin-induced relaxation in the isolated rat aortic rings was significantly attenuated by paxilline, a BK channel specific blocker. These results show that curcumin enhances the activity of the BK channels by interacting with BK directly as well as enhancing BK protein expression through inhibiting proteasomal degradation and activating ERK signaling pathway. The findings suggest that curcumin is a potential BK channel activator and provide novel insight into its complicated pharmacological effects and the underlying mechanisms.
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Affiliation(s)
- Qijing Chen
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Jie Tao
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong New District, Shanghai, 201203, China
- Department of Nephrology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine,164 Lanxi road, Shanghai, 200062, China
| | - Hongya Hei
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Fangping Li
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong New District, Shanghai, 201203, China
| | - Yunman Wang
- Department of Nephrology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine,164 Lanxi road, Shanghai, 200062, China
| | - Wen Peng
- Department of Nephrology, Putuo Hospital, Shanghai University of Traditional Chinese Medicine,164 Lanxi road, Shanghai, 200062, China
- * E-mail: (XZ); (WP)
| | - Xuemei Zhang
- Department of Pharmacology, School of Pharmacy, Fudan University, 826 Zhangheng Road, Pudong New District, Shanghai, 201203, China
- * E-mail: (XZ); (WP)
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Wei Z, Gao W, Wu Y, Ni B, Tian Y. Mutual interaction between BCL6 and microRNAs in T cell differentiation. RNA Biol 2015; 12:21-5. [PMID: 25826411 DOI: 10.1080/15476286.2015.1017232] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
Abstract
The transcription factor B-cell CLL/lymphoma 6 (BCL6) and the regulatory factor microRNAs (miRNAs) are of great importance in the differentiation of T cell subsets. An increasing body of evidence has demonstrated that BCL6 and miRNAs can target one another and mutually adjust their expression in T cell subsets, such as T helper (Th)-2, Th17, CD8+ regulatory T (CD8+Treg) and T follicular helper (Tfh) cells. Here, we discuss the most recent advances and emerging concepts in how BCL6 and miRNAs regulate one another, and the effects of such mutual regulations on T cell subset differentiation.
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Affiliation(s)
- Zhiyuan Wei
- a Institute of Immunology; PLA; Third Military Medical University ; Chongqing , PR China
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Kerbrat S, Vingert B, Junier MP, Castellano F, Renault-Mihara F, Dos Reis Tavares S, Surenaud M, Noizat-Pirenne F, Boczkowski J, Guellaën G, Chneiweiss H, Le Gouvello S. Absence of the Adaptor Protein PEA-15 Is Associated with Altered Pattern of Th Cytokines Production by Activated CD4+ T Lymphocytes In Vitro, and Defective Red Blood Cell Alloimmune Response In Vivo. PLoS One 2015; 10:e0136885. [PMID: 26317969 PMCID: PMC4552951 DOI: 10.1371/journal.pone.0136885] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2015] [Accepted: 08/10/2015] [Indexed: 01/08/2023] Open
Abstract
TCR-dependent and costimulation signaling, cell division, and cytokine environment are major factors driving cytokines expression induced by CD4+ T cell activation. PEA-15 15 (Protein Enriched in Astrocyte / 15kDa) is an adaptor protein that regulates death receptor-induced apoptosis and proliferation signaling by binding to FADD and relocating ERK1/2 to the cytosol, respectively. By using PEA-15-deficient mice, we examined the role of PEA-15 in TCR-dependent cytokine production in CD4+ T cells. TCR-stimulated PEA-15-deficient CD4+ T cells exhibited defective progression through the cell cycle associated with impaired expression of cyclin E and phosphoRb, two ERK1/2-dependent proteins of the cell cycle. Accordingly, expression of the division cycle-dependent cytokines IL-2 and IFNγ, a Th1 cytokine, was reduced in stimulated PEA-15-deficient CD4+ T cells. This was associated with abnormal subcellular compartmentalization of activated ERK1/2 in PEA-15-deficient T cells. Furthermore, in vitro TCR-dependent differentiation of naive CD4+ CD62L+ PEA-15-deficient T cells was associated with a lower production of the Th2 cytokine, IL-4, whereas expression of the Th17-associated molecule IL4I1 was enhanced. Finally, a defective humoral response was shown in PEA-15-deficient mice in a model of red blood cell alloimmunization performed with Poly IC, a classical adjuvant of Th1 response in vivo. Collectively, our data suggest that PEA-15 contributes to the specification of the cytokine pattern of activated Th cells, thus highlighting a potential new target to interfere with T cell functional polarization and subsequent immune response.
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Affiliation(s)
- Stéphane Kerbrat
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
| | - Benoit Vingert
- Inserm U955, Créteil, France
- Etablissement Français du Sang, Créteil, France
| | - Marie-Pierre Junier
- Inserm, U1130, Neuroscience Paris Seine, IBPS, Paris, France
- Université Pierre et Marie Curie, UM119, Neuroscience Paris Seine, IBPS, Paris, France
- CNRS, UMR8246, Neuroscience Paris Seine, IBPS, Paris, France
| | - Flavia Castellano
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
- AP-HP, Hôpital H. Mondor- A. Chenevier, Pôle de Biologie-Pathologie, Créteil, France
| | - François Renault-Mihara
- Inserm, U1130, Neuroscience Paris Seine, IBPS, Paris, France
- Université Pierre et Marie Curie, UM119, Neuroscience Paris Seine, IBPS, Paris, France
- CNRS, UMR8246, Neuroscience Paris Seine, IBPS, Paris, France
| | - Silvina Dos Reis Tavares
- Inserm, U1130, Neuroscience Paris Seine, IBPS, Paris, France
- Université Pierre et Marie Curie, UM119, Neuroscience Paris Seine, IBPS, Paris, France
- CNRS, UMR8246, Neuroscience Paris Seine, IBPS, Paris, France
| | | | - France Noizat-Pirenne
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
- Etablissement Français du Sang, Créteil, France
| | - Jorge Boczkowski
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
| | - Georges Guellaën
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
| | - Hervé Chneiweiss
- Inserm, U1130, Neuroscience Paris Seine, IBPS, Paris, France
- Université Pierre et Marie Curie, UM119, Neuroscience Paris Seine, IBPS, Paris, France
- CNRS, UMR8246, Neuroscience Paris Seine, IBPS, Paris, France
- * E-mail: (SLG); (HC)
| | - Sabine Le Gouvello
- Université Paris-Est, Créteil, France
- Inserm U955, Créteil, France
- AP-HP, Hôpital H. Mondor- A. Chenevier, Pôle de Biologie-Pathologie, Créteil, France
- * E-mail: (SLG); (HC)
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Receptor expression and responsiveness of human peripheral blood mononuclear cells to a human cytomegalovirus encoded CC chemokine. Braz J Infect Dis 2015; 19:403-9. [PMID: 26142284 PMCID: PMC9427514 DOI: 10.1016/j.bjid.2015.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2015] [Revised: 05/08/2015] [Accepted: 05/09/2015] [Indexed: 11/24/2022] Open
Abstract
Human cytomegalovirus is a ubiquitous pathogen that infects the majority of the world's population. After long period of time co-evolving with human being, this pathogen has developed several strategies to evade host immune surveillance. One of the major trick is encoding homologous to those of the host organism or stealing host cellular genes that have significant functions in immune system. To date, we have found several viral immune analogous which include G protein coupled receptor, class I major histocompatibility complex and chemokine. Chemokine is a small group of molecules which is defined by the presence of four cysteines in highly conserved region. The four kinds of chemokines (C, CC, CXC, and CX3C) are classified based on the arrangement of 1 or 2 N-terminal cysteine residues. UL128 protein is one of the analogous that encoded by human cytomegalovirus that has similar amino acid sequences to the human CC chemokine. It has been proved to be one of the essential particles that involved in human cytomegalovirus entry into epithelial/endothelial cells as well as macrophages. It is also the target of potent neutralizing antibodies in human cytomegalovirus-seropositive individuals. We had demonstrated the chemotactic trait of UL128 protein in our previous study. Recombinant UL128 in vitro has the ability to attract monocytes to the infection region and enhances peripheral blood mononuclear cell proliferation by activating the MAPK/ERK signaling pathway. However, the way that this viral encoded chemokine interacting with peripheral blood mononuclear cells and the detailed mechanism that involving the virus entry into host cells keeps unknown. Here we performed in vitro investigation into the effects of UL128 protein on peripheral blood mononuclear cell's activation and receptor binding, which may help us further understand the immunomodulatory function of UL128 protein as well as human cytomegalovirus diffusion mechanism.
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