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Liu Y, Xie Y, Han X, Li P, Zhou J, Hu X, Wang Q. Th9/IL-9 may participate in the pathogenesis of multiple myeloma. Int J Lab Hematol 2024; 46:322-328. [PMID: 38058269 DOI: 10.1111/ijlh.14210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 11/18/2023] [Indexed: 12/08/2023]
Abstract
INTRODUCTION This research is aimed to evaluate the correlation between Th9-associated cytokine levels in MM patients, clinical features, and therapy. METHODS Peripheral blood samples were taken in 52 MM patients and 20 healthy volunteers matched by sex and age. The patients with MM were separated into two groups: the untreated group (27) and the remission group (25). An enzyme-linked immunosorbent assay (ELISA) was used to measure the IL-9 plasma levels. The levels of Th9-associated cytokines' mRNA expression (IL-9, PU.1, and IRF4) were measured in RT-qPCR. We also analyzed the correlations between the IL-9 plasma levels and the clinical parameters of newly diagnosed MM patients. RESULTS The IL-9 plasma levels and the Th9-associated cytokines (IL-9, PU.1, and IRF4) mRNA levels in newly diagnosed MM patients were significantly elevated than those in healthy volunteers and significantly decreased after achieving remission. Moreover, PU.1 and IRF4 had a positive correlation with the IL-9 mRNA expression. Then, we found that the upregulation of IL-9 plasma levels correlates with the severity of anemia and decreased albumin Levels. CONCLUSION The results demonstrate that Th9/IL-9 may be involved in the pathogenesis of MM and is correlated with worse patient conditions such as lower hemoglobin and serum albumin. More work is necessary to confirm whether they might serve as a useful therapeutic target and prognostic marker for MM.
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Affiliation(s)
- Yihan Liu
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Yinghua Xie
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Xiyao Han
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Pei Li
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai, China
| | - Jianan Zhou
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Xinxin Hu
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
| | - Qiuyun Wang
- Department of Hematology, Shanghai Fifth People's Hospital, Fudan University, Shanghai, China
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Tokunaga A, Kimura N, Masuda T, Hanaoka T, Matsubara E. Objectively measured prolonged sleep is associated with plasma cytokines in older adults with mild cognitive impairment. J Sleep Res 2024:e14135. [PMID: 38212137 DOI: 10.1111/jsr.14135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 12/13/2023] [Accepted: 12/15/2023] [Indexed: 01/13/2024]
Abstract
This study aimed to determine whether objective sleep time is associated with the concentrations of various plasma cytokines in older adults with mild cognitive impairment (MCI). In total, 118 adults with MCI (66 women; mean age: 75.7 years) participated in this prospective cohort study. All participants were required to wear a wristband sensor for 7.8 days, on average, every 3 months for 1 year and undergo measurement of 27 plasma cytokines using multiplex immunoassays. After adjusting for potential confounders, the associations of total sleep time with cytokine concentrations were assessed by multiple linear regression analysis. The total sleep time was significantly correlated with plasma interleukin (IL)-9 and macrophage inflammatory protein (MIP)-1β levels (r = 0.239, p = 0.009, and r = 0.242, p = 0.008, respectively). Moreover, these associations remained significant after adjusting for covariates, including demographic characteristics, lifestyle-related diseases, and apolipoprotein E status (β = 0.272, 95% confidence interval: 0.095-0.448, p = 0.003, and β = 0.27, 95% confidence interval: 0.092-0.449, p = 0.003, respectively). Thus, this study is the first to demonstrate the association between objective prolonged sleep and higher plasma IL-9 and MIP-1β levels in older adults with MCI.
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Affiliation(s)
- Akari Tokunaga
- Department of Neurology, Faculty of Medicine, Oita University, Yufu, Japan
| | - Noriyuki Kimura
- Department of Neurology, Faculty of Medicine, Oita University, Yufu, Japan
| | - Teruaki Masuda
- Department of Neurology, Faculty of Medicine, Oita University, Yufu, Japan
| | - Takuya Hanaoka
- Department of Neurology, Faculty of Medicine, Oita University, Yufu, Japan
| | - Etsuro Matsubara
- Department of Neurology, Faculty of Medicine, Oita University, Yufu, Japan
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Yan L, Yu C, Zhao Z, Zhang Y, Wang R, Li C. Higher IL-9 Level is Associated with Psoriasis Vulgaris Complicated by Metabolic Syndrome. Clin Cosmet Investig Dermatol 2023; 16:2297-2307. [PMID: 37641663 PMCID: PMC10460594 DOI: 10.2147/ccid.s422355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Accepted: 08/15/2023] [Indexed: 08/31/2023]
Abstract
Purpose The underlying pathophysiology linking psoriasis vulgaris (PV) and metabolic syndrome (MetS) is not fully understood. The present study aimed to investigate the serum level of interleukin (IL)-9 and tissue levels of IL-9 and its receptor in PV patients with MetS and analyze the correlation of IL-9 levels with psoriasis disease severity and MetS. Methods This study enrolled 75 PV patients with MetS, 57 PV patients without MetS, 20 healthy blood donors, and 7 healthy skin donors. Clinical, socio-demographic, and anthropometric data were obtained from all individuals. Fasting blood glucose, insulin, lipid profile levels, and serum levels of IL-9 and IL-17A were measured. The expression of IL-9 and its receptor in skin specimens in PV patients and healthy controls was determined using immunohistochemistry. Normal human epidermal keratinocytes were stimulated with five pro-inflammatory cytokines (tumor necrosis factor-α, oncostatin M, IL-22, IL-17A, and IL-1α) to establish a psoriatic keratinocyte model and subsequently treated with IL-9. Their mRNA levels of antimicrobial peptides and chemokines were measured using quantitative real-time polymerase chain reaction. Results Serum level of IL-9 and tissue levels of IL-9 and its receptor were upregulated in PV patients with MetS. IL-9 level was positively correlated to IL-17A level; however, no significant correlation of IL-9 level with psoriasis area severity index was observed. IL-9 level had a positive correlation with the presence of MetS and its components. Correspondingly, IL-9 level positively correlated with waist circumference, body mass index, homeostasis model assessment-insulin resistance, blood pressure, and triglyceride level and negatively correlated with high-density lipoprotein cholesterol level. Additionally, IL-9 stimulated the expression of antimicrobial peptides and chemokines in a psoriatic keratinocyte model. Conclusion Our findings confirmed that higher IL-9 level is associated with PV complicated by MetS, suggesting that IL-9 may be a link between PV and MetS.
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Affiliation(s)
- Liang Yan
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
- Department of Dermatology, General Hospital of Central Theater Command of PLA, Wuhan, Hubei, 430070, People’s Republic of China
| | - Chongli Yu
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
| | - Zhenkai Zhao
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
| | - Yuan Zhang
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
| | - Rui Wang
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
| | - Chengxin Li
- Department of Dermatology, The First Medical Center, Chinese PLA General Hospital, Beijing, 100853, People’s Republic of China
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Chakraborty S, Schneider J, Mitra DK, Kubatzky KF. Mechanistic insight of interleukin-9 induced osteoclastogenesis. Immunology 2023. [PMID: 36732282 DOI: 10.1111/imm.13630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 01/03/2023] [Indexed: 02/04/2023] Open
Abstract
Interleukin (IL)-9 is an emerging player in the pathogenesis of various chronic inflammatory diseases including bone disorders like rheumatoid arthritis (RA) and psoriatic arthritis. Recently, IL-9 was shown to enhance the osteoclast formation and their function in RA. However, the mechanisms by which IL-9 influences osteoclastogenesis are not known. Therefore, in this study we aimed to unravel the direct and indirect ways by which IL-9 can influence osteoclast formation. We used mouse bone marrow precursor cells for checking the effect of IL-9 on osteoclast differentiation and its function. Next, IL-9 induced signalling pathway were checked in the process of osteoclastogenesis. T cells play an important role in enhancing osteoclastogenesis in inflammatory conditions. We used splenic T cells to understand the impact of IL-9 on the functions of T effector (Teff) and regulatory T (Treg) cells. Furthermore, the effect of IL-9 mediated modulation of the T cell response on osteoclasts was checked using a coculture model of T cells with osteoclast precursors. We showed that IL-9 enhanced osteoclast formation and its function. We found that IL-9 activates STAT3, P38 MAPK, ERK1/2, NFκB and we hypothesize that it mediates the effect on osteoclastogenesis by accelerating mitochondrial biogenesis. Additionally, IL-9 was observed to facilitate the functions of pro-osteoclastogenic IL-17 producing T cells, but inhibits the function of anti-osteoclastogenic Treg cells. Our observations suggest that IL-9 can influence osteoclastogenesis directly by modulating the signalling cascade in the precursor cells; indirectly by enhancing IL-17 producing T cells and by reducing the functions of Treg cells.
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Affiliation(s)
- Sushmita Chakraborty
- Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg University, Heidelberg, Germany.,Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Jakob Schneider
- Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg University, Heidelberg, Germany
| | - Dipendra Kumar Mitra
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi, India
| | - Katharina F Kubatzky
- Department of Infectious Diseases, Medical Microbiology and Hygiene, Heidelberg University, Heidelberg, Germany
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Upparahalli Venkateshaiah S, Yadavalli CS, Kandikattu HK, Kumar S, Oruganti L, Mishra A. Molecules involved in the development of Barrett's esophagus phenotype in chronic eosinophilic esophagitis. Am J Physiol Gastrointest Liver Physiol 2022; 323:G31-G43. [PMID: 35437997 PMCID: PMC9190763 DOI: 10.1152/ajpgi.00321.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
This paper aims to investigate the molecules involved in development of Barrett's esophagus (BE) in human eosinophilic esophagitis (EoE). Histopathological, immunohistochemical, real-time PCR Immuno blot, and ELISA analyses are performed to identify the signature genes and proteins involved in the progression of BE in EoE. We detected characteristic features of BE like intermediate columnar-type epithelial cells, induced BE signature genes like ErbB3, CDX1, ErbB2IP in the esophageal mucosa of patients with EoE. In addition, we had observed several BE-associated proteins such as TFF3, p53 and the progression markers like EGFR, p16, MICA, MICB, and MHC molecules in esophageal biopsies of patients with chronic EoE. Interestingly, we also detected mucin-producing columnar cells and MUC-2, MUC-4, and MUC5AC genes and proteins along with induced IL-9 in patients with chronic EoE. A strong correlation of IL-9 with mucin genes is observed that implicated a possible role for IL-9 in the transformation of esophageal squamous epithelial cells to columnar epithelial cells in patients with EoE. These findings indicate that IL-9 may have an important role in BE development in patients with chronic EoE. We also discovered that IL-9 stimulates mucin-producing and barrier cell transcripts and proteins such CK8/18, GATA4, SOX9, TFF1, MUC5AC, and tight junction proteins in primary esophageal epithelial cells when exposed to IL-9. Taken together, these findings provide evidence that indeed IL-9 has a role in the initiation and progression of BE characteristics like development of mucin-producing columnar epithelial cells in patients with chronic EoE.NEW & NOTEWORTHY Intermediate columnar-type epithelial cells are observed in biopsies of patients with EoE. Induced BE signature genes (CK8/18, CDX1 GATA4, SOX9, and Occludin) were observed in patients with chronic EoE. Induction of IL-9 and its correlation with eosinophils mucin-producing genes and proteins was observed in patients with EoE. Induced IL-9 may be responsible for the development of BE in patients with chronic EoE.
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Affiliation(s)
- Sathisha Upparahalli Venkateshaiah
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
| | - Chandra Sekhar Yadavalli
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
| | - Hemanth Kumar Kandikattu
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
| | - Sandeep Kumar
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
| | - Lokanatha Oruganti
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
| | - Anil Mishra
- Section of Pulmonary Diseases, John W. Deming Department of Medicine, Tulane Eosinophilic Disorder Center (TEDC), Tulane University School of Medicine, New Orleans, Louisiana
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Makled MN, Serrya MS, El-Sheakh AR. Fingolimod ameliorates acetic acid-induced ulcerative colitis: An insight into its modulatory impact on pro/anti-inflammatory cytokines and AKT/mTOR signalling. Basic Clin Pharmacol Toxicol 2022; 130:569-580. [PMID: 35274449 DOI: 10.1111/bcpt.13720] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 02/21/2022] [Accepted: 03/07/2022] [Indexed: 12/20/2022]
Abstract
BACKGROUND Because of the approved immunomodulatory activities of fingolimod, the current study aimed at studying the curative potential of fingolimod against experimentally induced ulcerative colitis (UC) via modulating pro/anti-inflammatory cytokines release and AKT/mTOR signalling. METHODS UC was induced in rats by intracolonic instillation of acetic acid. Fingo (0.5 mg/kg/day, p.o.) was given for 8 consecutive days that started 48 h after UC induction. RESULTS Fingolimod increased body weight growth rate and colon body/weight and colon weight/length indices compared to the UC group. Fingolimod significantly decreased clinical evaluation score and macroscopic score compared to the UC group. The curative potential of fingolimod was further confirmed by histopathological examination revealing marked attenuation of mucosal injury and inflammatory cells infiltration. Fingolimod significantly decreased colon malondialdehyde content and increased colon glutathione contents compared to the UC group. Fingolimod also significantly decreased the expressions of pro-inflammatory cytokines interleukin-9 and T-helper 17 along with increasing the expression of anti-inflammatory interleukin-10 and transforming growth factor-β compared to the UC group. In addition, fingolimod decreased the expressions of AKT and mTOR compared to the UC group. CONCLUSION Fingolimod attenuated acetic acid-induced UC through its immunomodulatory effect by shifting the balance to favour anti-inflammatory cytokine production rather than pro-inflammatory cytokines and modulating the AKT/mTOR signalling.
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Affiliation(s)
- Mirhan N Makled
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Marwa S Serrya
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Ahmed R El-Sheakh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
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Deng KM, Yang XS, Luo Q, She YX, Yu QY, Tang XX. Deleterious Role of Th9 Cells in Pulmonary Fibrosis. Cells 2021; 10:3209. [PMID: 34831433 DOI: 10.3390/cells10113209] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 11/05/2021] [Accepted: 11/09/2021] [Indexed: 12/05/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a progressive and fatal lung disease of unknown etiology. Immune disorders play an important role in IPF pathogenesis. Here, we show that Th9 cells differentiate and activate in the lung tissue of patients with IPF and bleomycin (BLM)-induced lung fibrosis mice. Moreover, we found that Th9 cells promote pulmonary fibrosis in two ways. On the one hand, Th9 cells promote fibroblast differentiation, activation, and collagen secretion by secreting IL-9. On the other hand, they promote differentiation of Th0 cells into Th2 cells by secreting IL-4. Th9 cells and Th2 cells can promote each other, accelerating the Th1/Th2 imbalance and eventually forming a positive feedback of pulmonary fibrosis. In addition, we found that neutralizing IL-9 in both preventive and therapeutic settings ameliorates bleomycin-induced pulmonary fibrosis. Furthermore, we identified several critical signaling pathways involved in the effect of neutralizing IL-9 on pulmonary fibrosis by proteomics study. From an immunological perspective, we elucidated the novel role and underlying mechanism of Th9 cells in pulmonary fibrosis. Our study suggested that Th9-based immunotherapy may be employed as a treatment strategy for IPF.
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Kar S, Gupta R, Malhotra R, Sharma V, Farooque K, Kumar V, Chakraborty S, Mitra DK. Interleukin-9 Facilitates Osteoclastogenesis in Rheumatoid Arthritis. Int J Mol Sci 2021; 22:10397. [PMID: 34638736 DOI: 10.3390/ijms221910397] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/06/2021] [Accepted: 09/11/2021] [Indexed: 12/29/2022] Open
Abstract
In rheumatoid arthritis (RA), inflammatory cytokines play a pivotal role in triggering abnormal osteoclastogenesis leading to articular destruction. Recent studies have demonstrated enhanced levels of interleukin-9 (IL-9) in the serum and synovial fluid of patients with RA. In RA, strong correlation has been observed between tissue inflammation and IL-9 expression in synovial tissue. Therefore, we investigated whether IL-9 influences osteoclastogenesis in patients with RA. We conducted the study in active RA patients. For inducing osteoclast differentiation, mononuclear cells were stimulated with soluble receptor activator of NF-kB ligand (sRANKL) and macrophage-colony-stimulating factor (M-CSF) in the presence or absence of recombinant (r) IL-9. IL-9 stimulation significantly enhanced M-CSF/sRANKL-mediated osteoclast formation and function. Transcriptome analysis revealed differential gene expression induced with IL-9 stimulation in the process of osteoclast differentiation. IL-9 mainly modulates the expression of genes, which are involved in the metabolic pathway. Moreover, we observed that IL-9 modulates the expression of matrix metalloproteinases (MMPs), which are critical players in bone degradation. Our results indicate that IL-9 has the potential to influence the structural damage in the RA by promoting osteoclastogenesis and modulating the expression of MMPs. Thus, blocking IL-9 pathways might be an attractive immunotherapeutic target for preventing bone degradation in RA.
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Liang Z, Pan F, Yang Z, Wang M, Hu C, Shi L, Ji Q, Liu L. Interleukin-9 deficiency affects lipopolysaccharide-induced macrophage-related oxidative stress and myocardial cell apoptosis via the Nrf2 pathway both in vivo and in vitro. Biofactors 2021; 47:674-685. [PMID: 33979459 DOI: 10.1002/biof.1754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2021] [Accepted: 04/25/2021] [Indexed: 01/29/2023]
Abstract
Previous studies showed that interleukin-9 (IL-9) is involved in cardiovascular diseases, including hypertension and cardiac fibrosis. This study aimed to investigate the role of IL-9 in lipopolysaccharide (LPS)-induced myocardial cell (MC) apoptosis. Mice were treated with LPS, and IL-9 expression was measured and the results showed that compared with WT mice, LPS-treated mice exhibited increased cardiac Mø-derived IL-9. Additionally, the effects of IL-9 deficiency (IL-9-/-) on macrophage (Mø)-related oxidative stress and MC apoptosis were evaluated, the results showed that IL-9 knockout significantly exacerbated cardiac dysfunction, inhibited Nrf2 nuclear transfer, promoted an imbalance in M1 and M2 Møs, and exacerbated oxidative stress and MC apoptosis in LPS-treated mice. Treatment with ML385, a specific nuclear factor erythroid-2 related factor 2 (Nrf2) pathway inhibitor significantly alleviated the above effects in LPS-treated IL-9-/- mice. Bone marrow-derived Møs from wild-type (WT) mice and IL-9-/- mice were treated with LPS, and the differentiation and oxidative stress levels of Møs were measured. The effect of Mø differentiation on mouse MC apoptosis was also analyzed in vitro. The results showed that LPS-induced M1 Mø/M2 Mø imbalance and Mø-related oxidative stress were alleviated by IL-9 knockout but were exacerbated by ML385 treatment. The protective effects of IL-9 deficiency on the MC apoptosis mediated by LPS-treated Møs were reversed by ML-385. Our results suggest that deletion of IL-9 decreased the nuclear translocation of Nrf2 in Møs, which further aggravated Mø-related oxidative stress and MC apoptosis. IL-9 may be a target for the prevention of LPS-induced cardiac injury.
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MESH Headings
- Animals
- Antigens, CD/genetics
- Antigens, CD/immunology
- Apoptosis/genetics
- Apoptosis/immunology
- Cell Nucleus/metabolism
- Cytoplasm/metabolism
- Gene Expression Regulation
- Interleukin-9/deficiency
- Interleukin-9/genetics
- Interleukin-9/immunology
- Lipopolysaccharides/administration & dosage
- Macrophages/immunology
- Macrophages/pathology
- Male
- Mice
- Mice, Knockout
- Myocarditis/chemically induced
- Myocarditis/genetics
- Myocarditis/immunology
- Myocarditis/pathology
- Myocytes, Cardiac/immunology
- Myocytes, Cardiac/pathology
- NF-E2-Related Factor 2/antagonists & inhibitors
- NF-E2-Related Factor 2/genetics
- NF-E2-Related Factor 2/immunology
- Oxidative Stress
- Primary Cell Culture
- Protein Transport
- Proto-Oncogene Proteins c-bcl-2/genetics
- Proto-Oncogene Proteins c-bcl-2/immunology
- Receptors, Atrial Natriuretic Factor/genetics
- Receptors, Atrial Natriuretic Factor/immunology
- Receptors, Interleukin-9/genetics
- Receptors, Interleukin-9/immunology
- Signal Transduction
- Thiazoles/pharmacology
- Ventricular Function, Left/physiology
- bcl-2-Associated X Protein/genetics
- bcl-2-Associated X Protein/immunology
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Affiliation(s)
- Zhishan Liang
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Fuze Pan
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Zicong Yang
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Mengjie Wang
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Changxing Hu
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Lei Shi
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Qingwei Ji
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Ling Liu
- Department of Cardiology, the People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, China
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Zhang Q, Yang L, Liu S, Zhang M, Jin Z. Interleukin-35 Suppresses Interleukin-9-Secreting CD4 + T Cell Activity in Patients With Hepatitis B-Related Hepatocellular Carcinoma. Front Immunol 2021; 12:645835. [PMID: 34177894 PMCID: PMC8222719 DOI: 10.3389/fimmu.2021.645835] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Accepted: 05/27/2021] [Indexed: 11/13/2022] Open
Abstract
Chronic hepatitis B virus (HBV) infection induces dysfunction of immune response and chronic liver damage. However, the mechanisms that account for HBV-related hepatocellular carcinoma (HCC) are poorly understood. The aim of present study was to investigate the modulatory role of interleukin (IL)-35, an immunosuppressive cytokine, to IL-9-secreting T cells in hepatitis B-related HCC. Twenty-two HBV-related HCC patients, twenty-seven chronic hepatitis B (CHB) patients, and eleven controls were enrolled. Serum IL-35 and IL-9 concentration was measured by ELISA. Peripheral and liver-infiltrating non-specific and HBV-specific Th9 and Tc9 cells were assessed by flow cytometry. The regulatory activity of IL-35 to peripheral and liver-infiltrating Th9 cells was assessed in co-culture system between CD8+ T cells and HepG2.2.15 cells. Serum IL-35 was up-regulated, while IL-9 was down-regulated in HBV-related HCC patients compared with in CHB patients and controls. Peripheral non-specific and HBV-specific Th9 cells, but not Tc9 cells, were decreased in HBV-related HCC patients. Liver-infiltrating non-specific and HBV-specific Th9 cells were also reduced in HCC tumor sites. CD8+ T cells from CHB and HBV-related HCC patients revealed decreased cytotoxicity compared with those from controls. Autologous Th9 cells mediated the elevation of CD8+ T cell cytotoxicity, and this process was depending on IL-9 secretion. Recombinant IL-35 stimulation inhibited IL-9 secretion and PU.1 mRNA expression in non-specific and HBV-specific Th9 cells, leading to the suppression of Th9-mediated CD8+ T cell cytotoxicity in CHB and HBV-related HCC patients. Our current data indicated that IL-35 might dampen non-specific and HBV-specific Th9 cells activity in HBV-related HCC patients.
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Affiliation(s)
- Qian Zhang
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital, Jilin University, Changchun, China
| | - Lanlan Yang
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital, Jilin University, Changchun, China
| | - Siqi Liu
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital, Jilin University, Changchun, China
| | - Mengyao Zhang
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital, Jilin University, Changchun, China
| | - Zhenjing Jin
- Digestive Diseases Center, Department of Hepatopancreatobiliary Medicine, The Second Hospital, Jilin University, Changchun, China
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Heim J, Almanzar G, Schmalzing M, Gernert M, Tony HP, Prelog M. Induction of IL-9 in Peripheral Lymphocytes of Rheumatoid Arthritis Patients and Healthy Donors by Th17-Inducing Cytokine Conditions. Front Immunol 2021; 12:668095. [PMID: 33995403 PMCID: PMC8117786 DOI: 10.3389/fimmu.2021.668095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 03/30/2021] [Indexed: 12/18/2022] Open
Abstract
IL-9-producing Th9 cells display a group of helper T cells with similarities to Th17 and Th2 T cells and have been shown to be involved in synovial inflammation in rheumatoid arthritis (RA) patients. So far, it is unclear which parameters drive Th9 differentiation in lymphocytes derived from RA patients compared to immunologically healthy individuals and whether autocrine mechanisms are able to enhance Th9 polarization. Further, parallel pathways of induction of IL-17-producing cells with Th9 phenotype have to be distinguished from exclusively Th9-inductive mechanisms. Thus, the present study aimed to determine the parameters of Th9 induction by simulation in a standardized inflammatory cytokine milieu.Peripheral naive and non-naive T cells of RA patients and healthy donors (HD) were cultured under Th9 and Th17-driving conditions and phenotypically analyzed by flow cytometry and molecular analysis.Our findings indicate a similar differentiation pathway of Th9 and Th17 cells and similar distributions of IL-9+ T cells in RA and HD regardless of Th9- or Th17-promoting cytokine milieus. Whereas the magnitude and direction of Th9- or Th17-polarization was about the same in RA and HD, IL-17+ CD4+ T cells were significantly stimulated by Th17-inducing conditions in HD. In conclusion, the results indicate that Th9- and Th17-inducing cytokine conditions mimicking autoimmune inflammation in RA may have similar stimulatory effects regarding polarization of peripheral naive and non-naive T cells into Th9 or Th17 cells. The results suggest that the differentiation of Th9 cells may be also induced by Th17-driving conditions.
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Affiliation(s)
- Jana Heim
- Department of Pediatrics, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Giovanni Almanzar
- Department of Pediatrics, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Marc Schmalzing
- Department of Medicine II, Rheumatology and Clinical Immunology, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Michael Gernert
- Department of Medicine II, Rheumatology and Clinical Immunology, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Hans-Peter Tony
- Department of Medicine II, Rheumatology and Clinical Immunology, University Hospital Wuerzburg, Wuerzburg, Germany
| | - Martina Prelog
- Department of Pediatrics, University Hospital Wuerzburg, Wuerzburg, Germany
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12
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Zhao C, Wang D, Wu M, Luo Y, Yang M, Guo J, Zhang H, Zhang X. Tumor necrosis factor ligand-related molecule 1A affects the intestinal mucosal barrier function by promoting Th9/ interleukin-9 expression. J Int Med Res 2021; 48:300060520926011. [PMID: 32567429 PMCID: PMC7309405 DOI: 10.1177/0300060520926011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Objectives To investigate the effect of tumor necrosis factor ligand-related molecule 1A (TL1A) on the intestinal mucosal barrier in mice with chronic colitis. Methods Male TL1A-overexpressing transgenic mice and male C57BL/6 wild-type mice were used to establish a dextran sodium sulfate (DSS)-induced colitis model. The expression of occludin and claudin-1 was observed. Bacterial distribution in the intestinal mucosa and Th9/interleukin (IL)-9 expression were detected. In vitro co-culture systems of naive CD4+ T cells and Caco-2 cells were established and TL1A was added. Changes in transepithelial electrical resistance and IL-9 expression were measured. CD4+IL-9 cells were detected by flow cytometry. Results DSS mice showed a significant down-regulation of occludin and claudin-1 compared with controls. Expression levels of occludin, zonulin-1, and claudin-1 in the Caco-2+TGF-β+IL-4+TL1A group were significantly lower than in the Caco-2+TGF-β+IL-4 group. Bacterial distribution was clearly disordered in the DSS group. Transmembrane resistance of the Caco-2+TGF-β+IL-4+TL1A group was significantly lower and IL-9 expression significantly higher than in the Caco-2+TGF-β+IL-4 group. Conclusions TL1A overexpression promotes destruction of the intestinal mucosal barrier in mice with chronic colitis. The underlying mechanism may be associated with the promoting role of TL1A in Th9/IL-9 expression, which further destroys the mucosal barrier.
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Affiliation(s)
- Caihong Zhao
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China.,Department of Gastroenterology, Harrison International Peace Hospital, Hengshui, Hebei, China
| | - Dong Wang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Mengyao Wu
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Yuxin Luo
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Mingyue Yang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Jinbo Guo
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Hong Zhang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
| | - Xiaolan Zhang
- Department of Gastroenterology, The Second Hospital of Hebei Medical University, Hebei, China
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13
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Ma C, Qi Y, Liu H, Wu C, Cui X, Liu Z. Inhibitory effect of activin A on IL-9 production by mouse NK cells through Smad3 signaling. Biol Chem 2021; 401:297-308. [PMID: 31400749 DOI: 10.1515/hsz-2019-0245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 07/19/2019] [Indexed: 12/20/2022]
Abstract
Interleukin-9 (IL-9) is a cytokine secreted by T-helper (Th)9 cells, and activin A can enhance Th9 cell differentiation. However, whether activin A affects IL-9 production by natural killer (NK) cells remains unclear. Herein, we found that not only Th cells, but also CD3-CD49b+NKp46+ NK cells of Balb/c mice produced IL-9. Although activin A promoted IL-9 expression in CD4+ Th cells, it inhibited IL-9 production by CD49b+NKp46+ NK cells in mice. Furthermore, the enzyme-linked immunosorbent assay (ELISA) results showed that mouse NK cells could secrete mature IL-9 protein, and activin A inhibited IL-9 release by NK cells. Additionally, activin A inhibited interferon (IFN)-γ production in splenic NK cells in mice, but promoted IL-2 production, and did not alter the production of IL-10. Western blotting results showed that levels of activin type IIA receptor (ActRIIA), Smad3 and phosphorylated-Smad3 (p-SMAD3) protein increased in activin A-treated splenic NK cells, compared with that in control NK cells. The inhibitory effects of activin A on IL-9 production by NK cells were attenuated in the presence of activin antagonist follistatin (FST) or Smad3 knockdown to NK cells. These data suggest that although activin A up-regulates IL-9 expression in Th cells, it inhibits IL-9 production in NK cells through Smad3 signaling.
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Affiliation(s)
- Chunhui Ma
- Department of Immunology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Yan Qi
- Department of Immunology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Haiyan Liu
- Department of Anatomy, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Chengdong Wu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
| | - Xueling Cui
- Department of Genetics, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Zhonghui Liu
- Department of Immunology, College of Basic Medical Sciences, Jilin University, 126 Xinmin Street, Changchun 130021, China
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14
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Gouyou B, Grün K, Kerschenmeyer A, Villa A, Matasci M, Schrepper A, Pfeil A, Bäz L, Jung C, Schulze PC, Neri D, Franz M. Therapeutic Evaluation of Antibody-Based Targeted Delivery of Interleukin 9 in Experimental Pulmonary Hypertension. Int J Mol Sci 2021; 22:ijms22073460. [PMID: 33801620 PMCID: PMC8037792 DOI: 10.3390/ijms22073460] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/19/2021] [Accepted: 03/23/2021] [Indexed: 12/22/2022] Open
Abstract
Background and Aims: Pulmonary hypertension (PH) is a heterogeneous disorder associated with poor prognosis. For the majority of patients, only limited therapeutic options are available. Thus, there is great interest to develop novel treatment strategies focusing on pulmonary vascular and right ventricular remodeling. Interleukin 9 (IL9) is a pleiotropic cytokine with pro- and anti-inflammatory functions. The aim of this study was to evaluate the therapeutic activity of F8IL9F8 consisting of IL9 fused to the F8 antibody, specific to the alternatively-spliced EDA domain of fibronectin, which is abundantly expressed in pulmonary vasculature and right ventricular myocardium in PH. Methods: The efficacy of F8IL9F8 in attenuating PH progression in the monocrotaline mouse model was evaluated in comparison to an endothelin receptor antagonist (ERA) or an IL9 based immunocytokine with irrelevant antibody specificity (KSFIL9KSF). Treatment effects were assessed by right heart catheterization, echocardiography as well as histological and immunohistochemical tissue analyses. Results: Compared to controls, systolic right ventricular pressure (RVPsys) was significantly elevated and a variety of right ventricular echocardiographic parameters were significantly impaired in all MCT-induced PH groups except for the F8IL9F8 group. Both, F8IL9F8 and ERA treatments lead to a significant reduction in RVPsys and an improvement of echocardiographic parameters when compared to the MCT group not observable for the KSFIL9KSF group. Only F8IL9F8 significantly reduced lung tissue damage and displayed a significant decrease of leukocyte and macrophage accumulation in the lungs and right ventricles. Conclusions: Our study provides first pre-clinical evidence for the use of F8IL9F8 as a new therapeutic agent for PH in terms of a disease-modifying concept addressing cardiovascular remodeling.
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Affiliation(s)
- Baptiste Gouyou
- Philochem AG, CH-8112 Otelfingen, Switzerland; (B.G.); (A.K.); (A.V.); (M.M.); (D.N.)
| | - Katja Grün
- Department of Internal Medicine I, Univerisity Hospital Jena, 07747 Jena, Germany; (K.G.); (L.B.); (P.C.S.)
| | - Anne Kerschenmeyer
- Philochem AG, CH-8112 Otelfingen, Switzerland; (B.G.); (A.K.); (A.V.); (M.M.); (D.N.)
| | - Alessandra Villa
- Philochem AG, CH-8112 Otelfingen, Switzerland; (B.G.); (A.K.); (A.V.); (M.M.); (D.N.)
| | - Mattia Matasci
- Philochem AG, CH-8112 Otelfingen, Switzerland; (B.G.); (A.K.); (A.V.); (M.M.); (D.N.)
| | - Andrea Schrepper
- Department of Cardiothoracic Surgery, Univerisity Hospital Jena, 07747 Jena, Germany;
| | - Alexander Pfeil
- Department of Internal Medicine III, Univerisity Hospital Jena, 07747 Jena, Germany;
| | - Laura Bäz
- Department of Internal Medicine I, Univerisity Hospital Jena, 07747 Jena, Germany; (K.G.); (L.B.); (P.C.S.)
| | - Christian Jung
- Division of Cardiology, Pulmonology, and Vascular Medicine, Medical Faculty, Heinrich-Heine University Düsseldorf, 40225 Düsseldorf, Germany;
| | - P. Christian Schulze
- Department of Internal Medicine I, Univerisity Hospital Jena, 07747 Jena, Germany; (K.G.); (L.B.); (P.C.S.)
| | - Dario Neri
- Philochem AG, CH-8112 Otelfingen, Switzerland; (B.G.); (A.K.); (A.V.); (M.M.); (D.N.)
| | - Marcus Franz
- Department of Internal Medicine I, Univerisity Hospital Jena, 07747 Jena, Germany; (K.G.); (L.B.); (P.C.S.)
- Correspondence: ; Tel.: +49-3641-9324127
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15
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Gouyou B, Ongaro T, Cazzamalli S, De Luca R, Kerschenmeyer A, Valet P, Villa A, Neri D, Matasci M. Antibody-based delivery of interleukin-9 to neovascular structures: Therapeutic evaluation in cancer and arthritis. Exp Biol Med (Maywood) 2021; 246:940-951. [PMID: 33475433 DOI: 10.1177/1535370220981578] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Interleukin-9 is a cytokine with multiple functions, including the ability to activate group 2 innate lymphoid cells, which has been postulated to be therapeutically active in mouse models of arthritis. Similarly, interleukin-9 has been suggested to play an important role in tumor immunity. Here, we describe the cloning, expression, and characterization of three fusion proteins based on murine interleukin-9 and the F8 antibody, specific to the alternatively spliced EDA domain of fibronectin. EDA is strongly expressed in cancer and in various arthritic conditions, while being undetectable in the majority of healthy organs. Interleukin-9-based fusion proteins with an irrelevant antibody specific to hen egg lysozyme served as negative control in our study. The fusion proteins were characterized by quantitative biodistribution analysis in tumor-bearing mice using radioiodinated protein preparations. The highest tumor uptake and best tumor:organ ratios were observed for a format, in which the interleukin-9 moiety was flanked by two units of the F8 antibody in single-chain Fv format. Biological activity of interleukin-9 was retained when the payload was fused to antibodies. However, the targeted delivery of interleukin-9 to the disease site resulted in a modest anti-tumor activity in three different murine models of cancer (K1735M2, CT26, and F9), while no therapeutic benefit was observed in a collagen induced model of arthritis. Collectively, these results confirm the possibility to deliver interleukin-9 to the site of disease but cast doubts about the alleged therapeutic activity of this cytokine in cancer and arthritis, which has been postulated in previous publications.
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Affiliation(s)
| | - Tiziano Ongaro
- Philochem AG, Libernstrasse 3, Otelfingen 8112, Switzerland
| | | | | | | | - Philippe Valet
- Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048, Université de Toulouse, UPS, Cedex 4, Toulouse 31432, France
| | | | - Dario Neri
- Department of Chemistry and Applied Biosciences, Swiss Federal Institute of Technology, Zurich 8093, Switzerland
| | - Mattia Matasci
- Philochem AG, Libernstrasse 3, Otelfingen 8112, Switzerland
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16
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Fang H, Li R, Gu Y, Fei Y, Jin K, Chen Y, Cao Y, Liu X, Lv K, Wang J, Yu K, Lin C, Liu H, Li H, He H, Zhang W, Zhang H, Shen Z. Intratumoral interleukin-9 delineates a distinct immunogenic class of gastric cancer patients with better prognosis and adjuvant chemotherapeutic response. Oncoimmunology 2020; 9:1856468. [PMID: 33354409 PMCID: PMC7738302 DOI: 10.1080/2162402x.2020.1856468] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Interleukin-9 (IL-9) is a T cell cytokine that is associated with inflammation and allergy, but the expression level of IL-9 in gastric cancer and its clinical significance are less well established. Our study aims to uncover the critical role of IL-9 in the progression of gastric cancer. Here, a total of 453 patients with gastric cancer undergoing curative resection were enrolled for immunohistochemical analyses, and Kaplan-Meier analysis was conducted to compare overall survival of patients in different subgroups. We further investigated the correlation between IL-9 expression and functional status of intratumoral CD8+ T cells by means of Flow cytometry. Moreover, in vitro study was preformed to further explore the influence of IL-9 on anti-tumor immunity. Results indicated that gastric cancer patients with high IL-9 expression showed improved overall survival and gained more benefit from 5-fluorouracil-based adjuvant chemotherapy (ACT). High IL-9 expression was associated with increased numbers and elevated function of intratumoral CD8+ T cells. In vitro study revealed that recombinant human IL-9 (rhIL-9) exhibit anti-tumor activity via enhancing the function of intratumoral CD8+ T cells. Moreover, we found rhIL-9 could augment the efficacy of Pembrolizumab in gastric cancer. In summary, these results suggest that IL-9 expression could act as an independent predictor for overall survival and ACT response and enhancing IL-9 signaling might represent an important therapeutic strategy in gastric cancer.
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Affiliation(s)
- H Fang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - R Li
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Y Gu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuchao Fei
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Kaifeng Jin
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yifan Chen
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Yifan Cao
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Xin Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Kunpeng Lv
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Jieti Wang
- Department of Gastric Surgery, Shanghai Cancer Center, Fudan University, Shanghai, China
| | - Kuan Yu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Chao Lin
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hao Liu
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - He Li
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Hongyong He
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Weijuan Zhang
- Department of Immunology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Heng Zhang
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Zhenbin Shen
- Department of General Surgery, Zhongshan Hospital, Fudan University, Shanghai, China
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17
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Tong H, Feng H, Hu X, Wang MF, Song YF, Wen XL, Li YR, Wan XP. Identification of Interleukin-9 Producing Immune Cells in Endometrial Carcinoma and Establishment of a Prognostic Nomogram. Front Immunol 2020; 11:544248. [PMID: 33329510 PMCID: PMC7712424 DOI: 10.3389/fimmu.2020.544248] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 10/13/2020] [Indexed: 12/14/2022] Open
Abstract
Background Interleukin-9 (IL9) plays a critical role in immunity and the pathogenesis of endometrial cancer (EC), especially endometrioid EC (EEC). This study aimed to identify the IL9+ immune cell subsets and their pleiotropic functions and establish an optimized prognostic nomogram towards the promotion of personalized treatment of EEC. Methods 1,417 EC patients were involved in the present study. 143 patients from the tertiary gynecology centers in Shanghai between 2013 and 2019 were recruited, and the study protocol was approved by the Institutional Review Board (IRB) of Shanghai First Maternity and Infant Hospital. The genomic data of the other 1,274 patients were extracted from the TCGA and the MSKCC datasets, respectively. Immune and stromal scores were calculated using the ESTIMATE R tool, and the tumor infiltration of immune cells was analyzed using the TIMER platform. Metascape and GEPIA datasets were used for bioinformatic analysis. P < 0.05 was considered statistically significant. All statistical analyses were performed with GraphPad Prism and R studio. Results 552 genes that were correlated with leukocyte infiltration, lymphocyte activation, and regulation of innate immune response were up-regulated in the high immune score group. More IL9+ cell infiltration was detected in the highly and moderately differentiated EC (p = 0.04). High IL9+ lymphocyte infiltration was related to a better overall survival (p = 0.0027). IL9 positive cell clusters included ILC2s, Vδ2 γδT cells, mast cells, macrophages, and Th9 cells. Parameters such as FIGO stage, IL9 score, Vδ2 + γδT cell infiltration, classification of differentiation, and diabetes mellitus were assigned a weighted number of points in the nomogram for a specific predicted 3-, 5- and 10-year overall survival (OS). IL9–IL9R axis played a vital role in EEC, IL9R positive cell subgroups were also identified, and the related function was analyzed in the present study. Additionally, PR (Progesterone Receptor, or PGR) expression was relevant to a higher density of IL9+ lymphocyte infiltration. However, PGRMC1 (Progesterone Receptor Membrane Component 1) was negatively relevant to IL9R (p = 4.26e-8). Conclusion We observed a significant infiltration of IL9+ cells and the overrepresentation of IL-9R in tissue specimens of patients in EC cases. The nomogram incorporating the IL9 could accurately predict individualized survival probability in EEC. Additionally, this study not only established a prognostic nomogram but also assist in the firmer understanding of the relevance of the IL9-IL9R axis and IL9-producing cells in EC immunity.
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Affiliation(s)
- Huan Tong
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Hao Feng
- Department of Liver Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,University Hospital of Munich, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - Xiang Hu
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Meng-Fei Wang
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yun-Feng Song
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiao-Li Wen
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Yi-Ran Li
- Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiao-Ping Wan
- Clinical and Translational Research Center, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China.,Department of Gynecology, Shanghai First Maternity and Infant Hospital, Tongji University School of Medicine, Shanghai, China
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18
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Gang H, Peng D, Hu Y, Tang S, Li S, Huang Q. Interleukin-9-secreting CD4 + T cells regulate CD8 + T cells cytotoxicity in patients with acute coronary syndromes. APMIS 2020; 129:91-102. [PMID: 33113251 DOI: 10.1111/apm.13094] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 10/22/2020] [Indexed: 12/21/2022]
Abstract
T cells play vital roles in the development and progression of acute coronary syndromes (ACS), including cytotoxicity mediated by CD8+ T cells and immunoregulatory activity mediated by CD4+ T cells. Interleukin (IL)-9-secreting CD4+ T cells (Th9 cells) were recently found to be involved in the onset of ACS. We investigated regulatory role of Th9 cells to CD8+ T cells in patients with stable angina pectoris, unstable angina pectoris, and acute myocardial infarction (AMI). Circulating Th9 cells percentage, plasma IL-9 level, and PU.1 mRNA relative level was up-regulated in AMI patients compared with controls. There was no significant difference of IL-9-secreting CD8+ T cells percentage among groups. CD8+ T cells from AMI patients revealed increased cytotoxicity than those from controls, which presented as enhanced cytotolytic activity to target cells, increased interferon-γ and tumor necrosis factor-α secretion, elevated perforin and granzyme B production, and reduced programmed death-1 and cytotoxic T lymphocyte-associated protein 4. IL-9 stimulation did not affect proliferation, but promoted CD8+ T-cell cytotoxicity from both controls and AMI patients. IL-9-secreting CD4+ T cells were enriched in CD4+ CCR4- CCR6- CXCR3- cells. The enhancement of CD8+ T-cell cytotoxicity induced by CD4+ CCR4- CCR6- CXCR3- cells was dependent on IL-9 secretion. The present results indicated that up-regulation of IL-9-secreting CD4+ T cells may contribute to pathogenesis of AMI through enhancement of CD8+ T-cell cytotoxicity.
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Affiliation(s)
- Hongsheng Gang
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Dingfeng Peng
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yongjun Hu
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Shaoyong Tang
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Songhai Li
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Huang
- Department of Cardiology, Wuhan Fourth Hospital, Pu'ai Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
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Zhou Q, Zhang H, Wang Z, Zeng H, Liu Z, Huang Q, Lin Z, Qu Y, Xiong Y, Wang J, Chang Y, Bai Q, Xia Y, Wang Y, Liu L, Dai B, Guo J, Zhu Y, Xu L, Xu J. Poor clinical outcomes and immunoevasive contexture in interleukin-9 abundant muscle-invasive bladder cancer. Int J Cancer 2020; 147:3539-3549. [PMID: 32734613 DOI: 10.1002/ijc.33237] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Revised: 06/25/2020] [Accepted: 07/13/2020] [Indexed: 12/16/2022]
Abstract
Chemotherapy and immunotherapy yield survival benefits for muscle-invasive bladder cancer (MIBC) patients, in which tumor microenvironment has been found to exert crucial roles through tipping the balance between antitumor immunity and immune evasion. Our study aims to explore the clinical significance and therapeutic role of intratumoral interleukin-9-producing cells (IL-9+ cells) in MIBC. Two hundred fifty-nine MIBC patients from two independent clinic centers were utilized for retrospective analysis in the study. Sixty-five fresh MIBC tumor tissues were used to evaluate the infiltration and function of immune cells via flow cytometry and ex vivo intervention experiments. Three hundred ninety-one MIBC patients of The Cancer Genome Atlas were applied for bioinformatics analysis. It was found that patients with high IL-9+ cells infiltration had worse overall survival and relapse-free survival. pT2 patients with low IL-9+ cells infiltration could benefit more from adjuvant chemotherapy (ACT). IL-9+ cells infiltration was correlated with decreased expression of granzyme B from CD8+ T cells and natural killer (NK) cells and perforin from CD8+ T cells, while blockade of IL-9 reactivated the antitumor capacity of both cells leading to tumor regression. Furthermore, IL-9+ cells infiltration could be a biomarker for predicting anti-PD-1 efficacy. In conclusion, IL-9+ cells infiltration could be applied as an independent prognosticator for clinical outcome and ACT/anti-PD-1 effectiveness. IL-9+ cells infiltration diminished the cytotoxicity of CD8+ T cells and NK cells resulting in tumor immune evasion, and thus targeting IL-9 could be a potential therapeutic strategy for MIBC.
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Affiliation(s)
- Quan Zhou
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Hongyu Zhang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Zewei Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Han Zeng
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Zhaopei Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Qiuren Huang
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
| | - Zhiyuan Lin
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yang Qu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Ying Xiong
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jiajun Wang
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yuan Chang
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Qi Bai
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu Xia
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yiwei Wang
- Department of Urology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Li Liu
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Bo Dai
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Jianming Guo
- Department of Urology, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Yu Zhu
- Department of Urology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Le Xu
- Department of Urology, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiejie Xu
- Department of Biochemistry and Molecular Biology, School of Basic Medical Sciences, Fudan University, Shanghai, China
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20
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Park SM, Do-Thi VA, Lee JO, Lee H, Kim YS. Interleukin-9 Inhibits Lung Metastasis of Melanoma through Stimulating Anti-Tumor M1 Macrophages. Mol Cells 2020; 43:479-490. [PMID: 32326670 PMCID: PMC7264476 DOI: 10.14348/molcells.2020.0047] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 03/23/2020] [Accepted: 04/06/2020] [Indexed: 12/15/2022] Open
Abstract
Interleukin-9 (IL-9) is well known for its role in allergic inflammation. For cancer, both pro- and anti-tumor effects of IL-9 were controversially reported, but the impact of IL-9 on tumor metastasis has not yet been clarified. In this study, IL-9 was expressed as a secretory form (sIL-9) and a membrane-bound form (mbIL-9) on B16F10 melanoma cells. The mbIL-9 was engineered as a chimeric protein with the transmembrane and cytoplasmic region of TNF-α. The effect of either mbIL-9 or sIL-9 expressing cells were analyzed on the metastasis capability of the cancer cells. After three weeks of tumor implantation into C57BL/6 mice through the tail vein, the number of tumor modules in lungs injected with IL-9 expressing B16F10 was 5-fold less than that of control groups. The percentages of CD4+ T cells, CD8+ T cells, NK cells, and M1 macrophages considerably increased in the lungs of the mice injected with IL-9 expressing cells. Among them, the M1 macrophage subset was the most significantly enhanced. Furthermore, peritoneal macrophages, which were stimulated with either sIL-9 or mbIL-9 expressing transfectant, exerted higher anti-tumor cytotoxicity compared with that of the mock control. The IL-9-stimulated peritoneal macrophages were highly polarized to M1 phenotype. Stimulation of RAW264.7 macrophages with sIL-9 or mbIL-9 expressing cells also significantly increased the cytotoxicity of those macrophages against wild-type B16F10 cells. These results clearly demonstrate that IL-9 can induce an anti-metastasis effect by enhancing the polarization and proliferation of M1 macrophages.
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Affiliation(s)
- Sang Min Park
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 3434, Korea
| | - Van Anh Do-Thi
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 3434, Korea
| | - Jie-Oh Lee
- Department of Life Sciences, POSTECH, Pohang 37673, Korea
| | - Hayyoung Lee
- Institute of Biotechnology, Chungnam National University, Daejeon 414, Korea
| | - Young Sang Kim
- Department of Biochemistry, College of Natural Sciences, Chungnam National University, Daejeon 3434, Korea
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21
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Han D, Medina-Rodriguez EM, Lowell JA, Beurel E. Glycogen synthase kinase-3 promotes T helper type 17 differentiation by promoting interleukin-9 production. Immunology 2020; 160:357-365. [PMID: 32277469 DOI: 10.1111/imm.13199] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/12/2020] [Accepted: 03/31/2020] [Indexed: 12/16/2022] Open
Abstract
T helper type 17 (Th17) cells are recognized as important contributors to the deleterious effects of several neurological and psychiatric diseases. Clarifying mechanisms that control the production of Th17 cells may therefore provide new strategies for developing novel interventions in a broad spectrum of disorders. Th17 cell differentiation is promoted by glycogen synthase kinase-3 (GSK3), but the mechanisms for this are only beginning to be understood. Using T-cell-selective depletion of GSK3β and multiple selective pharmacological GSK3 inhibitors, we found that GSK3 inhibition decreased C-C motif chemokine (ccl)20, C-C motif chemokine receptor (ccr)6, interleukin (IL)-9, Runt-related transcription factor (Runx)1, interferon regulatory factor (Irf)4 and c-maf mRNA expression after 2 days of Th17 cell differentiation in vitro. These effects were found to be independent of the master regulator transcription factor retinoic acid receptor-related orphan receptor γT (RORγT), as GSK3 inhibition still reduced Th17 cell differentiation in RORγT-depleted cells. Because IL-9 was approximately ninefold down-regulated in GSK3β-/- CD4 cells, we tested if reintroduction of IL-9 during Th17 cell differentiation abolished the inhibition by GSK3 deficiency of Th17 cell differentiation. We found that IL-9 over-expression was sufficient to reverse the inhibition of Th17 cell differentiation by GSK3 inhibition or depletion. We found that IL-9 enhances Th17 cell differentiation in part through signal transducer and activator of transcription 3 (STAT3) activation, and IL-9 also enhances STAT3 binding to the IL-17a promoter. Altogether, these findings suggest that IL-9 might be an important mediator of GSK3β-dependent enhancement of Th17 cell differentiation.
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Affiliation(s)
- Dongmei Han
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Eva M Medina-Rodriguez
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Jeffrey A Lowell
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Eléonore Beurel
- Department of Psychiatry and Behavioral Sciences, Miller School of Medicine, University of Miami, Miami, FL, USA.,Department of Biochemistry and Molecular Biology, Miller School of Medicine, University of Miami, Miami, FL, USA
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22
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Ma J, Tong HF, Lin JH, Chen FN, Wu CX, Cao CZ, Wu J, Hu SQ. miR-208b-5p inhibits invasion of non-small cell lung cancer through the STAT3 pathway by targeting interleukin-9. Oncol Lett 2020; 20:299-307. [PMID: 32565956 PMCID: PMC7285925 DOI: 10.3892/ol.2020.11570] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Accepted: 02/21/2020] [Indexed: 02/06/2023] Open
Abstract
Previous studies reported a dysregulation of micro (mi)R-208b-5p expression level in various types of human cancer; however, the role of miR-208-5p in non-small cell lung cancer (NSCLC) remains unclear. Therefore, the present study aimed to determine whether miR-208b-5p could regulate NSCLC progression. A total of 62 pairs of primary tumor and adjacent normal tissues were collected from patients with NSCLC. miR-208b-5p expression level was determined by reverse transcription-quantitative polymerase chain reaction. Furthermore, miR-208b-5p mimics was transfected into NSCLC A549 and H1299 cells in order to upregulate miR-208b-5p expression. Dual-luciferase reporter assay was utilized to investigate the associations between miR-208b-5p and IL9 mRNA. The results demonstrated that miR-208b-5p expression decreased in NSCLC tissues and cell lines. Furthermore, miR-208b-5p overexpression inhibited A549 and H1299 cell proliferation and invasiveness. miR-208b-5p was demonstrated to bind directly to the 3' untranslated region of interleukin-9 (IL-9) and therefore decreased its expression. In the NSCLC-derived cell lines, miR-208b-5p inactivated IL-9/signal transducer and activator of transcription 3 (STAT3) signaling pathway. Furthermore, enhanced IL-9 level decreased the miR-208b-5p-mediated suppression of epithelial-mesenchymal transition in NSCLC cells by inactivating the STAT3 signaling pathway. In conclusion, the findings from this study demonstrated that miR-208b-5p inhibited migration and invasion of NSCLC cells. The anti-tumor activity of miR-208b-5p may be mediated by IL-9 and STAT-3 pathway.
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Affiliation(s)
- Jun Ma
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Hong-Feng Tong
- Department of Thoracic Surgery, Beijing Hospital, Beijing 100730, P.R. China
| | - Jie-Huan Lin
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Fu-Nan Chen
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Can-Xing Wu
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Cheng-Zhang Cao
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Jian Wu
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
| | - Shu-Qiao Hu
- Department of Cardio-Thoracic Surgery, The First Hospital of Longyan City, Fujian Medical University, Longyan, Fujian 364000, P.R. China
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23
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Jiang W, Yuan X, Zhu H, He C, Ge C, Tang Q, Xu C, Hu B, Huang C, Ma T. Inhibition of Histone H3K27 Acetylation Orchestrates Interleukin-9-Mediated and Plays an Anti-Inflammatory Role in Cisplatin-Induced Acute Kidney Injury. Front Immunol 2020; 11:231. [PMID: 32194547 PMCID: PMC7062682 DOI: 10.3389/fimmu.2020.00231] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Accepted: 01/28/2020] [Indexed: 12/20/2022] Open
Abstract
Nephrotoxicity is a major side effect of cisplatin (CP)- and platinum-related chemotherapy, and inflammation contributes to disease pathogenesis. Interleukin-9 (IL-9) is a pleiotropic cytokine associated with inflammation. Here, we investigated the key role of IL-9 as a regulator of protective mechanisms in CP-induced acute kidney injury (AKI). We observed that IL-9 was decreased not only in a CP-induced AKI mouse model but also in THP-1 and RAW264.7 cell lines. Seventy-two hours post-CP injection, renal dysfunction and tubule injury were significantly attenuated in IL-9 overexpression adeno-associated virus 9 (AAV9)-treated mice. The levels of serum urea, serum creatinine, kidney injury molecule-1 (KIM-1), and histological damage were partially diminished following treatment with IL-9. The renoprotective effects of IL-9 may be attributed to the regulation of cytokines, and we found that IL-9 acted on macrophages in a regulatory manner, promoting an anti-inflammatory phenotype. Furthermore, IL-9 enhanced the suppression of macrophage-driven renal inflammation. Inhibition of H3K27 acetylation orchestrated IL-9-mediated renoprotection in CP-induced AKI. Thus, our findings indicate novel and potent anti-inflammatory properties of IL-9 that confer preservation of kidney function and structure in CP-induced AKI, which may counteract kidney disease procession.
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Affiliation(s)
- Wenjuan Jiang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Xinrong Yuan
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Hong Zhu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Changsheng He
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Caiqiong Ge
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Qing Tang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Chuanting Xu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Bingfeng Hu
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Cheng Huang
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China
| | - Taotao Ma
- Anhui Province Key Laboratory of Major Autoimmune Diseases, School of Pharmacy, Anhui Institute of Innovative Drugs, Anhui Medical University, Hefei, China.,College of Pharmacy, Northeast Ohio Medical University, Rootstown, OH, United States
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24
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Moaaz M, Lotfy H. Changes and significance of T helper-9 cells and interleukin-9 in patients with atherosclerotic chronic lower limb ischemia: Effect on IL-17 release. Vascular 2020; 28:378-389. [PMID: 32063130 DOI: 10.1177/1708538120905430] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
OBJECTIVES Atherosclerosis is considered as a chronic inflammatory disorder where the central role of T cells in its pathogenesis is well known. T helper-9 cells have a distinctive effect upon the inflammatory processes. They stimulate macrophages via secretion of their cytokine interleukin-9. Based on its known involvement with other inflammatory disorders, we hypothesized that interleukin-9 might be associated with the inflammatory limb of peripheral atherosclerotic disease. METHODS We tested this hypothesis on peripheral blood mononuclear cells (PBMCs) and freshly resected arterial tissues from 84 patients with peripheral arterial occlusive disease (PAOD) and 50 non-atherosclerotic subjects. A number of experimental methods were used including flow cytometry analysis of T helper-9 cells using anti-CD3, anti-CD4, and anti-interleukin-9monoclonal antibodies as well as real-time polymerase chain reaction for the assessment of gene expression of interleukin-9. In addition, circulating serum levels of interleukin-9 were measured using enzyme linked immunosorbent assay. We also evaluated the ability of recombinant interleukin-9 to modulate IL-17 release in cultured isolated CD3+ T cells with relation to atherosclerotic disorder in vitro. RESULTS AND CONCLUSIONS Here we report increased percentages of T helper-9 cells and interleukin-9 levels in patients with chronic lower limb atherosclerotic ischemia, compared to healthy controls. Through investigation of different atherosclerotic patient populations with different disease stages, we found elevated interleukin-9 level both systemically and within the lesion and increased expression of cells in severe disease stages. The current study also revealed enhanced expression of mRNA levels of interleukin-9 within the atherosclerotic lesion when compared with non-atherosclerotic vessels. Levels of released IL-17 in CD3+ T cell culture supernatants supplemented with interleukin-9 were significantly positively correlated in the enrolled patients. The results suggest a role for T helper-9 cells and IL-9 in atherosclerotic process, potentially involving IL-17-mediated mechanisms. Indeed, we found that interleukin-9 promoted IL-17 release in PBMCs, with a particularly marked response in severe disease.
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Affiliation(s)
- Mai Moaaz
- Department of Immunology and Allergy, Medical Research Institute, Alexandria University, Alexandria, Egypt
| | - Hassan Lotfy
- Department of Surgery, Vascular Surgery Unit, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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25
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Feng H, Feng J, Zhang Z, Xu Q, Hu M, Wu Y, Lu Y. Role of IL-9 and IL-10 in the pathogenesis of chronic spontaneous urticaria through the JAK/STAT signalling pathway. Cell Biochem Funct 2020; 38:480-489. [PMID: 31989663 DOI: 10.1002/cbf.3481] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 10/17/2019] [Accepted: 12/15/2019] [Indexed: 01/02/2023]
Abstract
This study investigated the role of interleukin (IL)-9 and IL-10 in the pathogenesis of chronic spontaneous urticaria (CSU). Autologous serum skin test and histamine release test were performed in CSU patients and normal subjects. Kunming mice were used to develop a mouse model for CSU. We induced IL-9 overexpression, IL-10 overexpression, and JAK/STAT pathway inhibition as well as a combination of all three conditions in CSU and control mice. Eosinophils in the skin tissues, inflammatory cytokine expression, and distribution of T lymphocyte subsets in peripheral blood of mice were detected. Expression patterns of IL-9, IL-10, STAT3, JAK2, and INF-γ in clinical samples and mice were detected by reverse transcription quantitative polymerase chain reaction (RT-qPCR) and western blot analysis. The positive rate of autologous serum skin test and the histamine release rate of CSU patients, compared with normal subjects, were apparently elevated. Compared with controls, mice with CSU experienced longer duration and higher frequency of pruritus and demonstrated enhanced levels of CD8+ , the ratio of CD4+ /CD8+ , number of eosinophils, and inflammatory cytokine expression in serum as well as activated JAK/STAT signalling pathway; at the same time, levels of CD4+ and INF-γ were reduced. This trend was found in CSU mice overexpressing IL-9 and IL-10 when compared with the CSU mice without treatment. In contrast, JAK/STAT inhibition reversed the above trend. Overall, our study suggests that IL-9 and IL-10 contribute to CSU development via activation of the JAK/STAT signalling pathway.
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Affiliation(s)
- Hua Feng
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China.,School of Public Health, Nanchang University, Nanchang, China
| | - Jiangao Feng
- School of Public Health, Nanchang University, Nanchang, China
| | - Zhongwei Zhang
- School of Public Health, Nanchang University, Nanchang, China
| | - Qunying Xu
- School of Public Health, Nanchang University, Nanchang, China
| | - Min Hu
- School of Public Health, Nanchang University, Nanchang, China
| | - Yongning Wu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China.,NHC Key Laboratory of Food Safety Risk Assessment, Beijing, China.,China National Center for Food Safety Risk Assessment, Beijing, China
| | - Yuanan Lu
- Environmental Health Laboratory, Department of Public Health Sciences, University of Hawaii, Honolulu, HI, USA
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26
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Naqvi MAUH, Memon MA, Jamil T, Naqvi SZ, Aimulajiang K, Gadahi JA, Xu L, Song X, Li X, Yan R. Galectin Domain Containing Protein from Haemonchus contortus Modulates the Immune Functions of Goat PBMCs and Regulates CD4+ T-Helper Cells In Vitro. Biomolecules 2020; 10:E116. [PMID: 31936604 PMCID: PMC7022894 DOI: 10.3390/biom10010116] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 01/05/2020] [Accepted: 01/05/2020] [Indexed: 02/08/2023] Open
Abstract
Galectins are glycan-binding proteins that are widely expressed and distributed in mammalian tissues as well as cells of innate and adaptive immune responses. CD4+ T-helper cells differentiate into effector subsets in response to cytokines. T helper 9 cells are one of the recently described subsets of effector T cells that are relatively new and less studied. In this study, galectin domain containing protein from Haemonchus contortus (Hc-GDC) was cloned, expressed in pET32a, and immunoblotting was performed. Localization of recombinant (r)Hc-GDC on outer and inner surface of H. contortus worm and binding with goat Peripheral Blood Mononuclear cells (PBMCs) were performed using immunofluorescence assay. Moreover, effects of rHc-GDC on proliferation, apoptosis, cell migration, and the nitric oxide production in goat PBMCs were evaluated. Furthermore, modulatory effects of rHc-GDC on production of Th1, Th2, and Th9 cells were evaluated by flowcytometry and on interferon gamma, interleukin (IL)-4 and IL-9 were evaluated by quantitative real-time polymerase chain reaction. The results demonstrated that rHc-GDC was successfully cloned, expressed in expression vector as well as in the gut surface of adult H. contortus worm and successful binding with PBMCs surface were observed. Immunoblotting results revealed that rHc-GDC is an important active protein of H. contortus excretory and secretory products. Moreover, the interaction of rHc-GDC with host cells increased the production of Th2, Th9 cells, IL4, IL-9, PBMC proliferation, nitric oxide, and cell migration. No effects of rHc-GDC were observed on PMBC apoptosis, production of Th1 cells, and secretions of IFN- and IL-10 cytokines. These findings indicate that recombinant GDC protein from H. contortus modulates the immune functions of goat PBMCs and has the potential to enhance protective immunity by inducing T helper-9-derived IL-9 in vitro.
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Affiliation(s)
- Muhammad Ali-ul-Husnain Naqvi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Muhammad Ali Memon
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Tahseen Jamil
- Sindh Agriculture University, Tandojam 70050, Sindh, Pakistan; (T.J.); (J.A.G.)
| | - Sana Zahra Naqvi
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Kalibixiati Aimulajiang
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Javaid Ali Gadahi
- Sindh Agriculture University, Tandojam 70050, Sindh, Pakistan; (T.J.); (J.A.G.)
| | - Lixin Xu
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Xiaokai Song
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Xiangrui Li
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
| | - Ruofeng Yan
- MOE Joint International Research Laboratory of Animal Health and Food Safety, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, China; (M.A.-u.-H.N.); (M.A.M.); (S.Z.N.); (K.A.); (L.X.); (X.S.); (X.L.)
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27
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Sabry SA, El-Senduny FF, Abousamra NK, Salah El-Din M, Youssef MM. Oxidative stress in CLL patients leads to activation of Th9 cells: an experimental and comprehensive survey. Immunol Med 2019; 43:36-46. [PMID: 31829825 DOI: 10.1080/25785826.2019.1700747] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Abstract
Older adults are mostly affected by chronic lymphocytic leukemia (CLL). The present study aimed to evaluate oxidative stress in CLL and to assess its impact on IL-9, Th9 cells levels and prognosis of cases. Seventy Egyptian CLL patients and 15 healthy controls were included. Th9 cell and immunophenotyping of abnormal B cells were assessed by flow cytometry, IL-9 level using ELISA, IL-9 mRNA by qRT-PCR, cytogenetics using FISH, and oxidative stress parameters were determined spectrophotometrically and with native gel electrophoresis. Oxidative stress was elevated in CLL that correlated with abnormal immunophenotyping, cytogenetic changes, bad prognosis, Th9 cells, and overexpression of IL-9. Levels of IL-9 and Th9 cells were strongly correlated with oxidative stress and bad prognostic markers in CLL, indicating that these cells may contribute to CLL by novel mechanisms that could include oxidant injury.
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Affiliation(s)
- Sabry A Sabry
- Biochemistry Division, Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Fardous F El-Senduny
- Biochemistry Division, Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Nashwa K Abousamra
- Clinical Pathology Department, Hematology Unit, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Manal Salah El-Din
- Medical Oncology Department, Oncology Center, Mansoura University, Mansoura, Egypt
| | - Magdy M Youssef
- Biochemistry Division, Chemistry Department, Faculty of Science, Mansoura University, Mansoura, Egypt
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28
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Zhan T, Ma H, Jiang S, Zhong Z, Wang X, Li C, Yu D, Liu L, Xu J, Xia C. Interleukin-9 blockage reduces early hepatic granuloma formation and fibrosis during Schistosoma japonicum infection in mice. Immunology 2019; 158:296-303. [PMID: 31436861 DOI: 10.1111/imm.13111] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2019] [Revised: 08/19/2019] [Accepted: 08/19/2019] [Indexed: 02/07/2023] Open
Abstract
Hepatic fibrosis induced by schistosomes is regulated by a complex network of cytokines. T helper type 9 (Th9) cells are a new type of effector T helper cells, which mainly secrete the specific cytokine interleukin-9 (IL-9). Interleukin-9 has been shown to contribute to liver fibrosis in patients with chronic hepatitis B and in a mouse model due to carbon tetrachloride. However, the role of IL-9 in schistosomiasis fibrosis remains unknown. In this study, we investigated the roles of IL-9 in schistosomiasis through in vivo and in vitro studies. The in vivo studies found that neutralization of IL-9 reduced liver granulomatous inflammation and collagen deposition around parasite eggs. The in vitro studies found that the treatment of primary hepatic stellate cells with IL-9 induced a significant increase of collagen and α-smooth-muscle actin. Moreover, we also described the dynamics and relevance of IL-9 and IL-4 in mice infected with Schistosoma japonicum. We found that IL-9 might appear more quickly and at higher levels than IL-4. Hence, our findings indicated that IL-9 might play a role in regulating hepatic fibrosis in early-stage schistosomiasis and become a promising approach for regulating hepatic fibrosis caused by S. japonicum.
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Affiliation(s)
- Tingzheng Zhan
- Department of Parasitology, Medical College of Soochow University, Suzhou, China.,Department of Parasitology, Guangxi Medical University, Nanning, China
| | - Huihui Ma
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Suqin Jiang
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Zirong Zhong
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Xiaoli Wang
- Department of Parasitology, Medical College of Soochow University, Suzhou, China.,Department of Parasitology, Bengbu Medical College, Bengbu, China
| | - Chunxiang Li
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Dan Yu
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Lei Liu
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Jing Xu
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
| | - Chaoming Xia
- Department of Parasitology, Medical College of Soochow University, Suzhou, China
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Chakraborty S, Kubatzky KF, Mitra DK. An Update on Interleukin-9: From Its Cellular Source and Signal Transduction to Its Role in Immunopathogenesis. Int J Mol Sci 2019; 20:ijms20092113. [PMID: 31035677 PMCID: PMC6522352 DOI: 10.3390/ijms20092113] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 04/17/2019] [Accepted: 04/24/2019] [Indexed: 12/18/2022] Open
Abstract
Interleukin-9 (IL-9) is a pleiotropic cytokine and was primarily studied in the context of T helper 2 (TH2)-associated immuno-pathological conditions such as asthma and parasitic infections. There was a paradigm shift in the biology of IL-9 after the recent discovery of TH9 cells, a new subtype of TH cells which secrete IL-9 in copious amounts. This has resulted in renewed interest in this cytokine, which was neglected since discovery because it was considered it to be just another TH2 cytokine. Recent studies have shown that it has multiple cellular sources and is critically involved in the immune-pathogenesis of inflammatory diseases and in guarding immune tolerance. In this review, we will discuss its discovery, gene organization, cellular sources, and signaling pathways. Especially, we will give an update on the recent development regarding its relevance in the immune pathogenesis of human diseases.
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Affiliation(s)
- Sushmita Chakraborty
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi 1100029, India.
| | - Katharina F Kubatzky
- Zentrum für Infektiologie, Medizinische Mikrobiologie und Hygiene, Universitätsklinikum Heidelberg, Im Neuenheimer Feld 324, 69120 Heidelberg, Germany.
| | - Dipendra Kumar Mitra
- Department of Transplant Immunology and Immunogenetics, All India Institute of Medical Sciences, New Delhi 1100029, India.
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30
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Tian L, Li Y, Chang R, Zhang P, Zhang J, Huo L. Lentiviral vector-mediated IL-9 overexpression stimulates cell proliferation by targeting c-myc and cyclin D1 in colitis-associated cancer. Oncol Lett 2018; 17:175-182. [PMID: 30655753 PMCID: PMC6313219 DOI: 10.3892/ol.2018.9567] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 09/11/2018] [Indexed: 01/06/2023] Open
Abstract
Colorectal cancer caused by inflammatory bowel disease is referred as colitis-associated cancer (CAC). The mechanism underling CAC is not fully understood. In the present study, the role of interleukin-9 (IL-9) in CAC was examined. The current study included 12 colorectal tissue specimens and matched adjacent tissues from CAC. The expression of IL-9 protein was examined using immunohistochemical staining. The expression of IL-9 in cancer tissues was markedly higher compared with that in adjacent tissues. Furthermore, IL-9 gene overexpression lentiviral vectors were constructed to overexpress IL-9 in RKO and Caco-2 cell lines. The role of IL-9 in cell proliferation was investigated using a Cell Counting Kit-8 assay, and MYC proto-oncogene bHLH transcription factor (c-Myc) and cyclinD1 expression levels were detected by reverse transcription-quantitative polymerase chain reaction. Notably, IL-9 overexpression promoted the proliferation of colonic epithelial cells by upregulating of the expression of c-Myc and cyclinD1. In conclusion, the present results suggested that IL-9 may exhibit an essential role in the pathogenesis of CAC, and IL-9 promotes the proliferation of colonic epithelial RKO and Caco2 cells, partially via the upregulation of c-Myc and cyclinD1 expression.
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Affiliation(s)
- Linglin Tian
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Yuan Li
- Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Ruqi Chang
- Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Peng Zhang
- Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Jian Zhang
- Clinical Medical College, Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Lijuan Huo
- Department of Gastroenterology, The First Hospital of Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
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31
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王 进, 董 晓, 朱 新, 赵 华, 毛 德, 赵 鑫. [Expression of interleukin-9 in colon cancer tissues and its clinical significance]. Nan Fang Yi Ke Da Xue Xue Bao 2018; 38:943-948. [PMID: 30187869 PMCID: PMC6744043 DOI: 10.3969/j.issn.1673-4254.2018.08.07] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 04/01/2018] [Indexed: 12/12/2022]
Abstract
OBJECTIVE To investigate the expression of interleukin-9 (IL-9) in colon cancer tissues and its clinical significance. METHODS Immunohistochenmistry and qRT-PCR were used to detect the expressions of IL-9 protein and mRNA in 92 colon cancer tissues and paired adjacent normal tissues. The correlation of IL-9 expressions with the clinicopathological features and prognosis of the patients was analyzed. RESULTS IL-9 protein and mRNA expressions were significantly higher in adjacent normal tissues than in the colon cancer tissues (P < 0.001). In colon cancer patients, IL-9 expression was significantly correlated with TNM stage (P=0.013), Ducks stage (P=0.025) and lymph node metastasis (P=0.004) but not with gender, age, tumor size, differentiation or hepatic metastasis (P > 0.05). The survival time of colon cancer patients with positive IL-9 expression was significantly longer than that of patients negative for IL-9 expression (P=0.015). CONCLUSIONS IL-9 expression is lowered in colon cancer tissues compoved with in the adjacent normal tissues. IL-9 expression is negatively correlated with TNM staging, Ducks staging and lymph node metastasis but positively with good prognosis, suggesting its important role in the tumor microenvironment of colon cancer.
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Affiliation(s)
- 进 王
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - 晓强 董
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - 新国 朱
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - 华 赵
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - 德利 毛
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
| | - 鑫 赵
- />苏州大学附属第一医院普外科,江苏 苏州 215006Department of General Surgery, First Affiliated Hospital of Soochow University, Suzhou 215006, China
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Abstract
Interleukin (IL) 9-producing helper T (Th) 9 cells play a major role in contributing immunity against extracellular pathogens. In addition, the role of Th9 cells was demonstrated in the pathogenesis of allergic, skin, and intestinal inflammation. The functions of Th9 cells were further extended in antitumor immune response, as Th9 cells were suggested to be potent antitumor Th cells. Given the pleotropic functions of IL-9 in various pathophysiological conditions, it is essential to understand the differentiation and stability of Th9 cells and other IL-9-producing T cells. In addition to Th9 cells, Th2 and Th17 cells as well as induced Foxp3+ regulatory T cells (iTregs) cells also produce IL-9, but how IL-9 production is regulated in these cell types is not yet clearly defined. Although Th2, Th9 and Th17 cells as well as iTregs develop in the presence of distinct differentiating factors, yet they all express IL-9 together with their own lineage specific cytokines. Here, in this review, we summarize the current understanding of signaling pathways that lead to the promotion of differentiation of Th9 cells and IL-9 induction in Th2 and Th17 cells, as well as in iTregs. We further discuss the transcriptional regulation of Th9 cells in context of Foxo1, as an essential transcription factor required for the development and functions of Th9 and other IL-9-producing T cells.
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Affiliation(s)
| | - Amit Awasthi
- Immuno-Biology Laboratory, Center for Human Microbial Ecology, Translational Health Science and Technology Institute, Faridabad, India
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Zheng H, Yang B, Xu D, Wang W, Tan J, Sun L, Li Q, Sun L, Xia X. Induction of specific T helper-9 cells to inhibit glioma cell growth. Oncotarget 2018; 8:4864-4874. [PMID: 28002799 PMCID: PMC5354876 DOI: 10.18632/oncotarget.13981] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2016] [Accepted: 12/05/2016] [Indexed: 12/20/2022] Open
Abstract
The effects of Staphylococcal enterotoxin B (SEB) on regulation of immune response have been recognized; whether SEB can enhance the effects of immunotherapy on glioma remains to be investigated. This study tests a hypothesis that administration with SEB enhances the effects of specific immunotherapy on glioma growth in mice. In this study, a glioma-bearing mouse model was developed by adoptive transfer with GL261 cells (a mouse glioma cell line). The mice were treated with the GL261 cell extracts (used as an Ag) with or without administration of SEB. We observed that treating glioma-bearing mice with the glioma Ag and SEB induced glioma-specific Th9 cells in both glioma tissue and the spleen. Treating CD4+ CD25− T cells with SEB increased p300 phosphorylation, histone H3K4 acetylation at the interleukin (IL)-9 promoter locus, and increased the IL-9 transcriptional factor binding to the IL-9 promoter. Treating CD4+ CD25− T cells with both SEB and glioma Ag induced glioma-specific Th9 cells. The glioma-specific Th9 cells induced glioma cell apoptosis in the culture. Treating the glioma-bearing mice with SEB and glioma Ag significantly inhibited the glioma growth. In conclusion, SEB plus glioma Ag immunotherapy inhibits the experimental glioma growth, which may be a novel therapeutic remedy for the treatment of glioma.
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Affiliation(s)
- Haiyan Zheng
- Department of Neurosurgery, The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, 322000, Zhejiang, China
| | - Baohua Yang
- Department of Neurosurgery, Guilin Medical University, Affiliated Hospital, Guilin, 541001, China
| | - Dedong Xu
- Department of Neurosurgery, Hainan General Hospital, Haikou, 570311, China
| | - Wenbo Wang
- Department of Neurosurgery, Guilin Medical University, Affiliated Hospital, Guilin, 541001, China
| | - Jie Tan
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, 541001, China
| | - Liyuan Sun
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, 541001, China
| | - Qinghua Li
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, 541001, China
| | - Li Sun
- Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, 541001, China
| | - Xuewei Xia
- Department of Neurosurgery, Guilin Medical University, Affiliated Hospital, Guilin, 541001, China.,Guangxi Key Laboratory of Brain and Cognitive Neuroscience, Guilin Medical University, Guilin, 541001, China
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Wang X, Zhao J, Qin L. VEGF-C mediated enhancement of lymphatic drainage reduces intestinal inflammation by regulating IL-9/IL-17 balance and improving gut microbiota in experimental chronic colitis. Am J Transl Res 2017; 9:4772-4784. [PMID: 29218079 PMCID: PMC5714765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Accepted: 10/16/2017] [Indexed: 06/07/2023]
Abstract
BACKGROUND Inflammation-associated lymphangiogenesis (IAL) induced by vascular endothelial growth factor (VEGF)-C/VEGF receptor-3 (VEGFR-3) pathway plays a crucial role in chronic intestinal inflammation. This study aimed to investigate the effects of VEGF-C mediated enhancement of lymphatic drainage on the intestinal inflammation in experimental chronic colitis (CC) and the potential mechanism was explored. METHODS Mouse CC model was established by three cycles of 2% DSS administration for 5 days following water administration for 5 days. CC mice were injected via the tail vein with AD-VEGF-C-EGFP (VEGF-C+DSS group) or AD-EGFP (AD-EGFP group) at the end of each cycle and animals in control group were given access to drinking water only. Disease activity index (DAI), lymphatic vessel density (LVD), colonic cytokines, Th9 cells (CD3+ cells) and CD68+ macrophage infiltration, and lymph flow were detected. Fresh feces were collected and processed for DNA extraction and MiSeq Illumina sequencing of V4 region of bacterial 16S rRNA gene. Alpha- and beta diversities and compositional differences at phylum and genus levels were determined in intestinal microbiota. RESULTS AD-VEGF-C treatment significantly reduced colon inflammation, elevated the increase in lymph drainage, decreased CD68+ macrophages and CD3+ T cells (Th9 cells), reduced IL-9, and increased IL-17 in colon mucosa when compared with DSS mice. In addition, VEGF-C treated mice showed significantly increased the abundance of Bacterioidate and decreased Firmicutes at phylum level in fecal samples. CONCLUSION VEGF-C improves intestinal inflammation by enhancing lymphatic drainage, reducing intestinal Th9 cells, regulating intestinal IL-9/IL-17 balance and increasing intestinal Bacterioidate abundance in CC mice.
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Affiliation(s)
- Xiaolei Wang
- Department of Gastroenterology, Shanghai Tenth People’s Hospital, Tongji UniversityShanghai 200072, China
| | - Jin Zhao
- Department of Gastroenterology, Shanghai Tongji Hospital, Tongji UniversityShanghai 200065, China
| | - Li Qin
- Department of Gastroenterology, Shanghai Tongji Hospital, Tongji UniversityShanghai 200065, China
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35
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Gu ZW, Wang YX, Cao ZW. Neutralization of interleukin-9 ameliorates symptoms of allergic rhinitis by reducing Th2, Th9, and Th17 responses and increasing the Treg response in a murine model. Oncotarget 2017; 8:14314-14324. [PMID: 28187441 PMCID: PMC5362408 DOI: 10.18632/oncotarget.15177] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2016] [Accepted: 01/23/2017] [Indexed: 12/30/2022] Open
Abstract
A novel independent Th-cell subset, characterized by high expression of interleukin (IL)-9, has been recognized as the "Th9" subset. Although Th9 cells are important in many diseases, their contribution to allergic rhinitis (AR) remains unclear. We therefore first determined whether Th9 cells were present in a mouse model of AR. We then investigated the their involvement in the distribution of CD4+ T-cell subsets and the symptoms of AR by treating mice with anti-IL-9 antibodies (Abs). Anti-IL-9 Abs were administered intranasally during rechallenge of ovalbumin (OVA)-induced AR in BALB/c mice. We measured nasal rubbing motion, sneezing and eosinophils, as well as the Th1 (Th1 cell percentage, Ifn-γ mRNA/protein, T-bet mRNA), Th2 (Th2 cell percentage, Il-4 mRNA/protein, Gata3 mRNA), Th9 (Th9 cell percentages Il-9 mRNA/protein, PU.1 and Irf4 mRNA), Th17 (Th17 cell percentage, Il-17 mRNA/protein, Rorγt mRNA), and Treg (Treg cell percentage, Foxp3 mRNA) responses in the nasal mucosa. Treatment with anti-IL-9 Abs markedly reduced nasal rubbing, sneezing, eosinophil infiltration, and Th2, Th9, and Th17 responses, and increased the Treg response. Our findings emphasize the importance of IL-9/Th9 in the pathogenesis of AR, and suggest that anti-IL-9 Ab treatment may be an effective therapeutic strategy for AR.
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Affiliation(s)
- Zhao Wei Gu
- Department of Otorhinolaryngology, China Medical University affiliated Shengjing Hospital, Shenyang, Liaoning, China
| | - Yun Xiu Wang
- Hematological Laboratory, China Medical University Affiliated Shengjing Hospital, Shenyang, Liaoning, China
| | - Zhi Wei Cao
- Department of Otorhinolaryngology, China Medical University affiliated Shengjing Hospital, Shenyang, Liaoning, China
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36
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Singh Y, Garden OA, Lang F, Cobb BS. MicroRNAs regulate T-cell production of interleukin-9 and identify hypoxia-inducible factor-2α as an important regulator of T helper 9 and regulatory T-cell differentiation. Immunology 2017; 149:74-86. [PMID: 27278750 DOI: 10.1111/imm.12631] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 05/12/2016] [Accepted: 06/07/2016] [Indexed: 12/16/2022] Open
Abstract
MicroRNAs (miRNAs) regulate many aspects of helper T cell (Th) development and function. Here we found that they are required for the suppression of interleukin-9 (IL-9) expression in Th9 cells and other Th subsets. Two highly related miRNAs (miR-15b and miR-16) that we previously found to play an important role in regulatory T (Treg) cell differentiation were capable of suppressing IL-9 expression when they were over-expressed in Th9 cells. We used these miRNAs as tools to identify novel regulators of IL-9 expression and found that they could regulate the expression of Epas1, which encodes hypoxia-inducible factor (HIF)-2α. HIF proteins regulate metabolic pathway usage that is important in determining appropriate Th differentiation. The related protein, HIF-1α enhances Th17 differentiation and inhibits Treg cell differentiation. Here we found that HIF-2α was required for IL-9 expression in Th9 cells, but its expression was not sufficient in other Th subsets. Furthermore, HIF-2α suppressed Treg cell differentiation like HIF-1α, demonstrating both similar and distinct roles of the HIF proteins in Th differentiation and adding a further dimension to their function. Ironically, even though miR-15b and miR-16 suppressed HIF-2α expression in Treg cells, inhibiting their function in Treg cells did not lead to an increase in IL-9 expression. Therefore, the physiologically relevant miRNAs that regulate IL-9 expression in Treg cells and other subsets remain unknown. Nevertheless, the analysis of miR-15b and miR-16 function led to the discovery of the importance of HIF-2α so this work demonstrated the utility of studying miRNA function to identify novel regulatory pathways in helper T-cell development.
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Affiliation(s)
- Yogesh Singh
- Department of Comparative Biomedical Sciences, The Royal Veterinary College, London, UK.,Institute of Physiology I, Eberhard Karls University of Tuebingen, Tuebingen, Germany
| | - Oliver A Garden
- Department of Clinical Science and Services, The Royal Veterinary College, London, UK
| | - Florian Lang
- Institute of Physiology I, Eberhard Karls University of Tuebingen, Tuebingen, Germany
| | - Bradley S Cobb
- Department of Comparative Biomedical Sciences, The Royal Veterinary College, London, UK
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Zheng R, Qian L, Yu J, Li M, Qian Q. Analysis of the changes in Th9 cells and related cytokines in the peripheral blood of spontaneous urticaria patients. Biomed Rep 2017; 6:633-639. [PMID: 28584634 PMCID: PMC5449968 DOI: 10.3892/br.2017.904] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 03/28/2017] [Indexed: 12/19/2022] Open
Abstract
Spontaneous urticaria (SU) is characterized by immune deregulation of mast cells and T helper (Th) cells. Th9 cells, a subset of Th cells, serve a key role in initiating mast cell accumulation and activation. To understand the role of Th9 cells in the pathogenesis of SU, the authors conducted a control study of 28 patients with acute SU (ASU) and chronic SU (CSU) and 28 healthy controls. The percentage of Th9 cells in peripheral blood was assessed using flow cytometry and levels of Th9 related serum cytokines including interleukin (IL)-4, IL-9, IL-17A, IL-33, IL-1β and transforming growth factor-β1 (TGF-β1) using Luminex 200. ASU patients exhibited higher percentages of Th9 cells and increased serum levels of cytokines IL-9, IL-4 and TGF-β1 compared to healthy controls. In addition, high mRNA expression of the PU.1 transcription factor was observed in ASU patients. However, the percentage of Th9 cells was similar between patients with CSU and healthy controls. Furthermore, the percentage of Th9 cells demonstrated a positive correlation with IL-4 and IL-9 levels in the peripheral blood of ASU patients, but not with disease severity. The current findings suggested that the numbers of Th9 cells increased in ASU patients and indicated its novel role in the pathogenesis of ASU.
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Affiliation(s)
- Renshan Zheng
- Department of Dermatology, Binhai County People's Hospital, Yancheng, Jiangsu 224500, P.R. China
| | - Lei Qian
- Department of Laboratory Medicine, Binhai County People's Hospital, Yancheng, Jiangsu 224500, P.R. China
| | - Jianxiu Yu
- Department of Laboratory Medicine, Binhai County People's Hospital, Yancheng, Jiangsu 224500, P.R. China
| | - Ming Li
- Department of Laboratory Medicine, Binhai County People's Hospital, Yancheng, Jiangsu 224500, P.R. China
| | - Qing Qian
- Department of Dermatology, Peking Hepingli Hospital, Beijing 100013, P.R. China
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Gong F, Pan YH, Huang X, Zhu HY, Jiang DL. From bench to bedside: Therapeutic potential of interleukin-9 in the treatment of asthma. Exp Ther Med 2017; 13:389-394. [PMID: 28352305 DOI: 10.3892/etm.2017.4024] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 10/28/2016] [Indexed: 11/05/2022] Open
Abstract
Initially identified as a T cell and mast cell growth factor, interleukin (IL)-9 has long been recognized as an important mediator of asthma. Recently, accumulating results from transgenic mice demonstrated that systemic or lung-specific overexpression of IL-9 caused asthma-associated symptoms. Moreover, anti-mIL-9 antibody (Ab) blocking treatment alleviated disease in animal models of asthma. In light of the large quantity of data from the murine models, MEDI-528, a humanized anti-IL-9 monoclonal Ab has been produced to assess the activity of IL-9 on human asthma. In order to ascertain whether it is a successful translation from bench to bedside, the biological features of IL-9 were evaluated and up-to-date information regarding the role of IL-9 in different experimental murine models and human asthma were summarized.
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Affiliation(s)
- Fang Gong
- Department of Respiratory Medicine, The Third Hospital Affiliated to Nantong University, Wuxi, Jiangsu 214041, P.R. China
| | - Yu-Hong Pan
- Department of Respiratory Medicine, The Third Hospital Affiliated to Nantong University, Wuxi, Jiangsu 214041, P.R. China
| | - Xuan Huang
- Department of Respiratory Medicine, The Third Hospital Affiliated to Nantong University, Wuxi, Jiangsu 214041, P.R. China
| | - Hua-Yan Zhu
- Department of Respiratory Medicine, The Third Hospital Affiliated to Nantong University, Wuxi, Jiangsu 214041, P.R. China
| | - Dong-Lin Jiang
- Department of Respiratory Medicine, The Third Hospital Affiliated to Nantong University, Wuxi, Jiangsu 214041, P.R. China
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Shin JH, Kim DH, Kim BY, Kim SW, Hwang SH, Lee J, Kim SW. Anti- Interleukin-9 Antibody Increases the Effect of Allergen-Specific Immunotherapy in Murine Allergic Rhinitis. Allergy Asthma Immunol Res 2017; 9:237-246. [PMID: 28293930 PMCID: PMC5352575 DOI: 10.4168/aair.2017.9.3.237] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 10/12/2016] [Accepted: 10/14/2016] [Indexed: 12/21/2022]
Abstract
Purpose Interleukin (IL)-9 induces allergic responses; however, the roles of anti-IL-9 antibody in the induction of tolerance remain unclear. This study investigated the effects of anti-IL-9 antibody on oral tolerance (OT) in a mouse model of allergic rhinitis (AR). Methods BALB/c mice were divided into 4 groups: the control, AR, OT, and OT with anti-IL-9 antibody (OT+IL9AB) groups. Ovalbumin (OVA) was used for sensitization and challenge. Mice in the OT and OT+IL9AB groups were fed OVA for immunotherapy. During immunotherapy, OT+IL9AB mice were injected with anti-IL-9 antibody. Allergic symptoms, tissue eosinophil counts, and serum OVA-specific immunoglobulin E (IgE) were measured. The mRNA expressions of cytokines and transcription factors of T cells of nasal mucosa were determined by real-time polymerase chain reaction (PCR). The protein levels of GATA3, ROR-γt, and Foxp3 in nasal mucosa were determined by Western blot. CD4+CD25+Foxp3+ T cells in the spleen were analyzed by flow cytometry. Results Administration of anti-IL-9 antibody decreased allergic symptoms, OVA-specific IgE levels, and eosinophil counts. In addition, it inhibited T-helper (Th) 2 responses, but had no effect on Th1 responses. Protein levels of ROR-γt and mRNA levels of PU.1 and ROR-γt were reduced by anti-IL-9 antibody. Anti-IL-9 antibody increased Foxp3 and IL-10 mRNA expression, Foxp3 protein, and induction of CD4+CD25+Foxp3+ T cells. Conclusions Anti-IL-9 antibody decreased allergic inflammation through suppression of Th2 and Th17 cells. Anti-IL-9 antibody enhanced the tolerogenic effects of regulatory T cells. These results suggest that anti-IL-9 antibody might represent a potential therapeutic agent for allergen immunotherapy in patients with uncontrolled allergic airway disease.
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Affiliation(s)
- Ji Hyeon Shin
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Do Hyun Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Boo Young Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sung Won Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Se Hwan Hwang
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Joohyung Lee
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Soo Whan Kim
- Department of Otolaryngology-Head and Neck Surgery, College of Medicine, The Catholic University of Korea, Seoul, Korea.
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Qi C, Shan Y, Wang J, Ding F, Zhao D, Yang T, Jiang Y. Circulating T helper 9 cells and increased serum interleukin-9 levels in patients with knee osteoarthritis. Clin Exp Pharmacol Physiol 2016; 43:528-34. [PMID: 26926842 DOI: 10.1111/1440-1681.12567] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 01/21/2016] [Accepted: 02/24/2016] [Indexed: 11/30/2022]
Abstract
The purpose of this study was to examine the roles of T helper 9 (Th9) cells and the serum interleukin (IL)-9 level in the pathogenesis of osteoarthritis (OA). The numbers of IL-9(+) CD4(+) CD8(-) T cells, interferon (IFN)-γ+ CD4(+) CD8(-) T cells, IL-4(+) CD4(+) CD8(-) T cells, and IL-17A(+) CD4(+) CD8(-) T cells in 25 OA patients and 13 healthy controls (HC) were examined by flow cytometry. The serum concentrations of IL-9, IL-4, IL-17A, and IFN-γ were also determined. The numbers of CD4(+) CD45RO(+) T cells, Th9 cells, Th1 cells, and Th17 cells in OA patients were significantly higher than those in HCs. Furthermore, serum IL-9, IL-17A, and IFN-γ levels in OA patients were higher than those in HCs. The number of Th9 cells was positively correlated with the number of Th17 cells in OA patients. Furthermore, greater numbers of Th9 cells were positively associated with elevated C-reactive protein, and both Th9 cells and IL-9 levels were positively correlated with the Western Ontario and McMaster Universities Osteoarthritis index in OA patients. Th9 cell numbers and IL-9 levels are correlated with OA patient symptoms and joint functionality and may be a marker of disease activity.
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Affiliation(s)
- Changlin Qi
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Yuxing Shan
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Jing Wang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Fupeng Ding
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Ding Zhao
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Teng Yang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China
| | - Yanfang Jiang
- Genetic Diagnosis Centre, Ministry of Education, the First Hospital, Jilin University, Changchun, China.,Key Laboratory of Zoonosis Research, Ministry of Education, the First Hospital, Jilin University, Changchun, China.,Jiangsu Co-innovation Centre for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, China
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Wang W, Cheng ZS, Chen YF, Lin YH. Increased circulating IL-9-producing CD8 + T cells are associated with eosinophilia and high FeNO in allergic asthmatics. Exp Ther Med 2016; 12:4055-4060. [PMID: 28105134 DOI: 10.3892/etm.2016.3870] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 10/07/2016] [Indexed: 12/11/2022] Open
Abstract
Allergic asthma is a chronic airway disorder mediated by Th2 cells. It has been shown that IL-9-producing CD8+ cytotoxic T (Tc9) cells promote the subsequent onset of allergic airway inflammation in mice mediated by abnormal Th2 immunity. Whether Tc9 cells are associated with the immunopathogenesis of asthmatic patients remains unknown. In the present study, peripheral blood mononuclear cells (PBMCs) were separated by Ficoll-Hypaque gradient centrifugation from all subjects. The frequency of Tc9 cells was measured by flow cytometry. Serum IL-9 levels were assessed by enzyme-linked immunosorbent assay (ELISA). mRNA expression levels of IL-9, STAT6, and IRF4 in PBMCs from healthy controls and asthmatic patients were detected by reverse transcription-quantitative polymerase chain reaction. The results showed that the numbers of Tc9 cells in allergic asthmatics were significantly increased, compared with healthy controls (P<0.0001). Notably, IL-9 protein and mRNA levels were increased in allergic asthmatics and STAT6 and IRF4 mRNA levels were elevated, as compared with healthy controls. In addition, circulating numbers of Tc9 cells were positively correlated with blood eosinophil counts and fractioned exhaled nitric oxide (FeNO) levels in asthmatic patients. Moreover, the number of Tc9 cells and serum IL-9 levels in asthmatic patients were significantly decreased after treatment with glucocorticoids (P<0.05). These findings suggest that increased circulating Tc9 cells are associated with eosinophilia and high FeNO of allergic asthma, and that abnormal Tc9 immunity may contribute to the pathogenesis of allergic asthmatics.
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Affiliation(s)
- Wei Wang
- Department of Respiratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Zhen-Shun Cheng
- Department of Respiratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Yi-Fei Chen
- Department of Respiratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
| | - Yu-Hui Lin
- Department of Respiratory Medicine, Zhongnan Hospital of Wuhan University, Wuhan, Hubei 430071, P.R. China
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Abstract
Vδ2Vγ9 T cells are the dominant γδ T-cell subset in human peripheral blood. Vδ2 T cells recognize pyrophosphate molecules derived from microbes or tumor cells; hence, they play a role in antimicrobial and antitumor immunity. TGF-β, together with IL-15, induces a regulatory phenotype in Vδ2 T cells, characterized by forkhead box protein P3 (FoxP3) expression and suppressive activity on CD4 T-cell activation. We performed a genome-wide transcriptome analysis and found that the same conditions (TGF-β plus IL-15) strongly enhanced the expression of additional genes in Vδ2 T cells, including IKAROS family zinc finger 4 (IKZF4; Eos), integrin subunit alpha E (ITGAE; CD103/αEβ7), and IL9 This up-regulation was associated with potent IL-9 production as revealed by flow cytometry and multiplex analysis of cell culture supernatants. In contrast to CD4 and CD8 αβ T cells, γδ T cells did not require IL-4 for induction of intracellular IL-9 expression. Upon antigen restimulation of Vδ2 T cells expanded in vitro in the presence of TGF-β and IL-15, IL-9 was the most abundant among 16 analyzed cytokines and chemokines. IL-9 is a pleiotropic cytokine involved in various (patho)physiological conditions, including allergy and tumor defense, where it can promote antitumor immunity. Given the conspicuous sensitivity of many different tumors to Vδ2 T-cell-mediated killing, the conditions defined here for strong induction of IL-9 might be relevant for the development of Vδ2 T-cell-based immunotherapy.
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Sun RL, Zhu SX, Zhang YY, Wu YF, Wang XJ. [Changes in peripheral blood T helper 9 cells and interleukin-9 in children in the acute stage of Kawasaki disease]. Zhongguo Dang Dai Er Ke Za Zhi 2016; 18:721-725. [PMID: 27530789 PMCID: PMC7399522 DOI: 10.7499/j.issn.1008-8830.2016.08.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 05/26/2016] [Indexed: 06/06/2023]
Abstract
OBJECTIVE To investigate the changes in the expression levels of peripheral blood T helper 9 (Th9) cells and cytokine interleukin-9 (IL-9) in children in the acute stage of Kawasaki disease (KD) and their clinical significance. METHODS A total of 45 children in the acute stage of KD who were treated from April 2014 to July 2015 were enrolled, and the children were followed up in the recovery stage. Another 45 healthy children who underwent physical examination were enrolled as the control group. Flow cytometry was used to measure the percentage of peripheral blood Th9 cells, and ELISA was used to measure the serum level of IL-9. RESULTS The children in the acute stage of KD showed a significantly higher percentage of Th9 cells and a significantly higher serum level of IL-9 compared with those in the recovery stage and the control group (P<0.05). The percentage of Th9 cells and serum level of IL-9 showed no significant differences between the children in the recovery stage and those in the control group (P>0.05). In the acute stage, the percentage of Th9 cells was positively correlated with the levels of IL-9, C-reactive protein (CRP), procalcitonin (PCT), erythrocyte sedimentation rate (ESR), platelet count (PLT), and globulin (r=0.624, 0.324, 0.402, 0.382, 0.467, and 0.386 respectively, all P<0.05), but negatively correlated with serum albumin (r=-0.306, P<0.05). The serum level of IL-9 was positively correlated with the levels of CRP, PCT, ESR, PLT, and globulin (r=0.365, 0.456, 0.403, 0.423, and 0.453 respectively, all P<0.05), but negatively correlated with serum albumin (r=-0.343, P<0.05). CONCLUSIONS The children in the acute stage of KD show significant increases in the percentage of peripheral Th9 cells and serum cytokine IL-9 level, which return to normal in the recovery stage. In the acute stage of KD, the expression levels of Th9 and IL-9 are closely correlated with laboratory markers. The results suggest that Th9 cells and IL-9 play important roles in the pathogenesis and outcome of KD.
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Affiliation(s)
- Rui-Li Sun
- Department of Pediatrics, Binzhou Medical College, Binzhou, Shandong 256600, China.
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Kim HK, Kook JH, Kang KR, Oh DJ, Kim TH, Lee SH. Increased expression of hCLCA1 in chronic rhinosinusitis and its contribution to produce MUC5AC. Laryngoscope 2016; 126:E347-E355. [PMID: 27296651 DOI: 10.1002/lary.26109] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 04/19/2016] [Accepted: 05/02/2016] [Indexed: 11/11/2022]
Abstract
OBJECTIVES/HYPOTHESIS Mucus hypersecretion is a hallmarks of chronic rhinosinusitis. The expression of MUC5AC, a major respiratory mucin gene, is increased in chronic rhinosinusitis. The mechanisms inducing mucus hypersecretion have not been fully evaluated in chronic rhinosinusitis. Human Ca2+ -activated Cl- channel 1 (hCLCA1) is implicated in the regulation of mucus production, airway fluid, and electrolyte transport. The present study objectives was to investigate the expression of hCLCA1 in chronic rhinosinusitis and evaluate whether its level is altered by stimulation with type 1 T helper (Th1) and Th2 cytokines, and to determine the possible role of hCLCA1 on the regulation of mucin 5AC (MUC5AC) production. STUDY DESIGN Controlled prospective study. METHODS The expression of hCLCA1 and MUC5AC in normal and inflammatory ethmoid mucosa was determined by real-time polymerase chain reaction, immunohistochemistry, and Western blot. In cultured cells, the expression of hCLCA1 and MUC5AC was measured after stimulation with Th1 and Th2 cytokines. In a supernatant, the MUC5AC level was analyzed using enzyme-linked immunosorbent assay after treatment with niflumic acid. RESULTS The levels of hCLCA1 and MUC5AC were increased in chronic rhinosinusitis, irrespective of nasal polyp presence, where they were distributed in superficial epithelial cells and submucosal glands. In cultured cells treated with interleukin (IL)-9, IL-4, IL-13, tumor necrosis factor-α, transforming growth factor-β, interferon-γ, and IL-1β, the expression of hCLCA1 and MUC5AC was increased. In cells treated with niflumic acid, the production of MUC5AC was inhibited. CONCLUSIONS The current findings indicate that the expression of hCLCA1 is increased in chronic rhinosinusitis and may be regulated by Th1 and Th2 cytokines, possibly contributing to the production of MUC5AC. LEVEL OF EVIDENCE NA Laryngoscope, 126:E347-E355, 2016.
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Affiliation(s)
- Ha Kyun Kim
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, South Korea
| | - Jin Ho Kook
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Hallym University, ChunCheon, South Korea
| | - Ka Ram Kang
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, South Korea
| | - Dong Ju Oh
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, South Korea
| | - Tae Hoon Kim
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, South Korea
| | - Sang Hag Lee
- Department of Otorhinolaryngology-Head & Neck Surgery, College of Medicine, Korea University, Seoul, South Korea.
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Huang Y, Cao Y, Zhang S, Gao F. Association between low expression levels of interleukin-9 and colon cancer progression. Exp Ther Med 2015; 10:942-946. [PMID: 26622419 DOI: 10.3892/etm.2015.2588] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2014] [Accepted: 04/30/2015] [Indexed: 12/13/2022] Open
Abstract
Although interleukin (IL)-9 has been extensively studied in inflammation and autoimmune diseases, the expression level of IL-9 in colon cancer and its clinical significance are less well established. In total, 15 healthy donors (HDs) and 60 patients who had been diagnosed with colon cancer that had undergone a surgical resection were enrolled in the study. The plasma levels of IL-9 in the HDs and cancer patients were detected by the liquid chip technique, while the expression levels of IL-9 in the colon cancer tissues and normal tissues were analyzed using immunohistochemistry (IHC) and reverse transcription-quantitative polymerase chain reaction (RT-qPCR). Finally, the difference in the expression levels of IL-9 between the patients classified as tumor-node-metastasis stage I-II and stage III-IV was compared. The results demonstrated that the plasma levels of IL-9 in the patients with colon cancer were significantly lower when compared with the HDs (1.29 vs. 2.53 pg/ml, P<0.05). Furthermore, according to the IHC and RT-qPCR results, low expression levels of IL-9 were observed in the colon cancer tissues when compared with the normal tissues (P<0.05). With regard to the plasma and tumor tissue samples, patients diagnosed with stage III-IV colon cancer expressed lower levels of IL-9 compared with the stage I-II patients (P<0.05). In conclusion, low expression levels of IL-9 were observed in the tissue and plasma samples collected from the colon cancer patients, and the decreased expression of IL-9 was shown to correlate with colon cancer progression.
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Affiliation(s)
- Yonghong Huang
- Department of Gastroenterological Surgery, Cancer Center of Guangzhou Medical University, Guangzhou, Guangdong 510095, P.R. China
| | - Yunfei Cao
- Department of Colorectal and Anal Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Sen Zhang
- Department of Colorectal and Anal Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
| | - Feng Gao
- Department of Colorectal and Anal Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi 530021, P.R. China
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Venetz D, Hess C, Lin CW, Aebi M, Neri D. Glycosylation profiles determine extravasation and disease-targeting properties of armed antibodies. Proc Natl Acad Sci U S A 2015; 112:2000-5. [PMID: 25646460 DOI: 10.1073/pnas.1416694112] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
The ability of antibodies to extravasate out of blood vessels is critical for therapeutic activity, because molecular targets for most diseases are located outside of the endothelial lining. By performing detailed biodistribution studies with a novel IL9-armed cancer-specific antibody, we identified a clear correlation between N-linked glycan structures and tumor-targeting efficiencies. Site-specific glycan analysis provided a detailed view of the glycan microheterogeneity present on the IL9 portion of the recombinant protein. Nonsialylated glycan structures have a negative impact on disease-homing activity, highlighting the importance of glycosylation control and characterization during process development.
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Yao X, Kong Q, Xie X, Wang J, Li N, Liu Y, Sun B, Li Y, Wang G, Li W, Qu S, Zhao H, Wang D, Liu X, Zhang Y, Mu L, Li H. Neutralization of interleukin-9 ameliorates symptoms of experimental autoimmune myasthenia gravis in rats by decreasing effector T cells and altering humoral responses. Immunology 2014; 143:396-405. [PMID: 24850614 DOI: 10.1111/imm.12322] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 05/01/2014] [Accepted: 05/08/2014] [Indexed: 12/21/2022] Open
Abstract
Interleukin-9 (IL-9) was initially thought to be a type 2 T helper (Th2)-associated cytokine involved in the regulation of autoimmune responses by affecting multiple cell types. However, it was recently shown that IL-9-producing CD4+ T cells represent a discrete subset of Th cells, designated Th9 cells. Although Th9 cells have been shown to be important in many diseases, their roles in myasthenia gravis (MG) are unclear. The aim of this study was to determine whether IL-9 and Th9 cells promote the progression of experimental autoimmune myasthenia gravis (EAMG). The results showed that the percentage of Th9 cells changed during the progression of EAMG, accompanied by an up-regulation of IL-9. Blocking IL-9 activity with antibodies against IL-9 inhibited EAMG-associated pathology in rats and reduced serum anti-acetylcholine receptor IgG levels. Neutralization of IL-9 altered the Th subset distribution in EAMG, reducing the number of Th1 cells and increasing the number of regulatory T cells. Administration of an anti-IL-9 antibody may represent an effective therapeutic strategy for MG-associated pathologies or other T-cell- or B-cell-mediated autoimmune diseases.
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Affiliation(s)
- Xiuhua Yao
- Department of Neurobiology, Provincial Key Laboratory of Neurobiology, Harbin Medical University, Heilongjiang, China
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Froidure A, Shen C, Gras D, Van Snick J, Chanez P, Pilette C. Myeloid dendritic cells are primed in allergic asthma for thymic stromal lymphopoietin-mediated induction of Th2 and Th9 responses. Allergy 2014; 69:1068-76. [PMID: 24888572 DOI: 10.1111/all.12435] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/23/2014] [Indexed: 12/20/2022]
Abstract
BACKGROUND Type 1 myeloid dendritic cells (mDCs) contribute to inception of allergic asthma (AA) and are regulated by epithelial-derived cytokines. OBJECTIVES To evaluate whether mDCs from AA patients are primed for thymic stromal lymphopoietin (TSLP)-driven responses. METHODS mDCs from 18 AA patients and 15 controls were purified using immunomagnetic sorting. Cells were pulsed with TSLP or Dermatophagoides pteronyssinus (Der p) allergen, before FACS phenotyping and co-culture with allogeneic CD4+ T cells. Bronchial biopsies from 15 AA patients and four controls were immunostained for CD1c and TSLP receptor (TSLPR). RESULTS Allergic asthma patients had a higher proportion of TSLPR+ mDCs, in blood and bronchial mucosa. When compared to mDCs from controls, both TSLP- and Der p-pulsed blood mDCs from AA patients induced increased polarization of CD4+ T cells into Th2 cells (IL-5, IL-13, and GATA3+), while only TSLP-mDCs promoted Th9 cells (IL-9 and PU.1+ /IRF4+). In addition, OX40L was induced upon TSLP stimulation and was required for the induction of Th2, but not Th9, cells. In contrast, development of Th9 cells in this model depended on TGF-β1. CONCLUSIONS Our data indicate overlapping but partially distinct effects of TSLP and Der p allergen pathways, showing that DCs are primed in human asthma for TSLP-driven induction of both Th2 and Th9 cells. This novel TSLP/mDC/Th9 axis operates through a distinct, OX40L-independent pathway. These data further highlight the TSLP pathway as a relevant target in human asthma.
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Affiliation(s)
- A. Froidure
- Institut de Recherche Expérimentale et Clinique; Université Catholique de Louvain and Walloon Institute for Excellence in Lifesciences and Biotechnology (WELBIO); Brussels Belgium
- Cliniques Universitaires Saint-Luc; service de Pneumologie; Brussels Belgium
| | - C. Shen
- Institut de Recherche Expérimentale et Clinique; Université Catholique de Louvain and Walloon Institute for Excellence in Lifesciences and Biotechnology (WELBIO); Brussels Belgium
| | - D. Gras
- INSERM U 1067; CNRS UMR 7333 Aix Marseille Université; Marseille France
| | - J. Van Snick
- Ludwig Institute for Cancer Research; Brussels Belgium
| | - P. Chanez
- INSERM U 1067; CNRS UMR 7333 Aix Marseille Université; Marseille France
- Département des Maladies Respiratoires; Assistance Publique des Hôpitaux de Marseille; Marseille France
| | - C. Pilette
- Institut de Recherche Expérimentale et Clinique; Université Catholique de Louvain and Walloon Institute for Excellence in Lifesciences and Biotechnology (WELBIO); Brussels Belgium
- Cliniques Universitaires Saint-Luc; service de Pneumologie; Brussels Belgium
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Farahani R, Sherkat R, Hakemi MG, Eskandari N, Yazdani R. Cytokines ( interleukin-9, IL-17, IL-22, IL-25 and IL-33) and asthma. Adv Biomed Res 2014; 3:127. [PMID: 24949298 PMCID: PMC4063088 DOI: 10.4103/2277-9175.133249] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2013] [Accepted: 10/27/2013] [Indexed: 11/16/2022] Open
Abstract
Asthma is a reversible airway obstruction that is characterized by constriction of airway smooth muscle, hyper secretion of mucus, edema and airway hyper responsiveness (AHR), mucus secretion and thickening of the basement membrane underlying the airway epithelium. During the process of airway inflammation, complex interactions of innate and adaptive immune cells as well as structural cells and their cytokines have many important roles. It was believed that airway inflammation is orchestrated by allergen specific T helper (Th) 2 cells, which recruit and accumulate in the lungs and produce a range of different effector cytokines. However, more recent studies have revealed the potential collaboration of other helper T cells and their cytokines in this process. Th17 cell may have a role in severe asthma and chronic obstructive pulmonary disease (COPD). Interleukin (IL)-9-producing subset called Th9 cell, Th22 cells which primarily secrete IL-22, IL-13 and tumor necrosis factor-α and Th25 cells via producing IL-25 are believed to be important for initiating allergic reactions and developing airway inflammation. Cytokines are important in asthma and play a critical role in orchestrating the allergic inflammatory response, although the precise role of each cytokine remains to be determined. The aim of this review is to summarize the current knowledge about the possible roles of newly identified helper T cells derived cytokines (IL-9, 17, 22, 25 and IL-33) in asthma. The potential therapeutic applications emerging from the roles of these cytokines will be discussed as well.
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Affiliation(s)
- Rahim Farahani
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Roya Sherkat
- Aquired Immunodeficiency Research Center, Infectious Disease Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mazdak Ganjalikhani Hakemi
- Cellular and Molecular Immunology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Nahid Eskandari
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Reza Yazdani
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran ; Applied Physiology Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Abstract
Upon antigen-specific stimulation, naïve CD4⁺ T cells have the potential to differentiate into various T helper (Th) cell subsets. Earlier models of Th cell differentiation focused on IFN-γ-producing Th1 cells and IL-4-secreting Th2 cells. The discovery of additional CD4⁺ Th cell subsets has extended our understanding of Th cell differentiation beyond this dichotomy. Among these is the recently described Th9 cell subset, which preferentially produces interleukin (IL)-9. Here, we review the latest developments in Th9 cell development and differentiation, focusing on contributing environmental signals, and discuss potential physiological and pathophysiological functions of these cells. We describe the challenges inherent to unambiguously defining roles for Th9 cells using the available experimental animal models, and suggest new experimental models to address these concerns.
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Affiliation(s)
- Edgar Schmitt
- Institute for Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstraße 1, Building 708, 55131 Mainz, Germany
| | - Matthias Klein
- Institute for Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstraße 1, Building 708, 55131 Mainz, Germany
| | - Tobias Bopp
- Institute for Immunology, University Medical Center of the Johannes Gutenberg-University Mainz, Langenbeckstraße 1, Building 708, 55131 Mainz, Germany.
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