101
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Magyari L, Varszegi D, Kovesdi E, Sarlos P, Farago B, Javorhazy A, Sumegi K, Banfai Z, Melegh B. Interleukins and interleukin receptors in rheumatoid arthritis: Research, diagnostics and clinical implications. World J Orthop 2014; 5:516-536. [PMID: 25232528 PMCID: PMC4133458 DOI: 10.5312/wjo.v5.i4.516] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2014] [Revised: 04/05/2014] [Accepted: 05/16/2014] [Indexed: 02/06/2023] Open
Abstract
Rheumatoid arthritis (RA) is an autoimmune disease, resulting in a chronic, systemic inflammatory disorder. It may affect many tissues and organs, but it primarily affects the flexible joints. In clinical practice patient care generates many questions about diagnosis, prognosis, and treatment. It is challenging for health care specialists to keep up to date with the medical literature. This review summarizes the pathogenesis, the polymorphisms of interleukin and interleukin genes and the standard available and possible future immunologic targets for RA treatment. The identification of disease-associated interleukin and interleukin receptor genes can provide precious insight into the genetic variations prior to disease onset in order to identify the pathways important for RA pathogenesis. The knowledge of the complex genetic background may prove useful for developing novel therapies and making personalized medicine based on the individual’s genetics.
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102
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Zhu L, Wang Y, Jie G, Chi Q, Zhou J, Cui B, Piao D, Zhao Y. Association between Toll-like receptor 4 and interleukin 17 gene polymorphisms and colorectal cancer susceptibility in Northeast China. Med Oncol 2014; 31:73. [PMID: 25216863 DOI: 10.1007/s12032-014-0073-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Accepted: 06/10/2014] [Indexed: 12/15/2022]
Abstract
Limited studies about the effects of TLR 4 and IL17 polymorphisms (SNPs) on the risk of colorectal cancer (CRC) have yielded inconsistent results. Totally, 601 CRC patients and 627 controls were enrolled. Unconditional logistic regression was used to estimate the association between tagSNPs and susceptibility of CRC and the interactions effects of gene and environment on the risk of CRC. IL17 rs6973569 AG and AG/AA genotypes significantly decreased the risk of CRC compared with GG genotype (ORadjusted=0.72, 95% CI 0.55-0.94 and ORadjusted=0.74, 95 % CI 0.57-0.97). The haplotype G-T-G-C-A-G accounting for the largest proportion haplotypes increased the risk of CRC (OR=1.27, 95 % CI 1.06-1.53). However, G-C-C-T-A-G and G-C-G-C-A-G haplotypes decreased the susceptibility of CRC. Synergistic interactions between TLR 4 rs1927911 CT/TT and higher pungent food intake as well as IL17 rs6973569 AG/AA genotypes and higher intake of sausage food (ORi=1.72, 95% CI 1.04-2.84 and ORi=3.38, 95% CI 1.28-8.91) on the risk of CRC were observed. IL17 rs6973569 SNP might be an independent factor of susceptibility to CRC. TLR 4 haplotype of G-T-G-C-A-G may increase risk of CRC. Higher intake of pungent and sausage food synergistically interacted with TLR 4 and IL17 SNPs on the risk of CRC.
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Affiliation(s)
- Lin Zhu
- Department of Epidemiology, Public Health College, Harbin Medical University, 157 Baojian Street, Nangang District, Harbin, Heilongjiang, People's Republic of China,
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103
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Interleukin-17 gene polymorphisms contribute to cancer risk. Mediators Inflamm 2014; 2014:128490. [PMID: 25147431 PMCID: PMC4131465 DOI: 10.1155/2014/128490] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 07/13/2014] [Accepted: 07/14/2014] [Indexed: 01/16/2023] Open
Abstract
Epidemiological studies have suggested that interleukin-17 (IL-17) polymorphisms are associated with cancer risk. However, the results of these studies are inconsistent. Therefore, we performed a meta-analysis to obtain a precise conclusion. Odds ratios (ORs) with 95% confidence intervals (CIs) were used to assess the association of the IL-17A rs2275913G>A and IL-17F rs763780T>C polymorphisms with cancer risk. Publication bias and sensitivity analyses were performed to ensure the statistical power. Overall, 10 relevant case-control studies involving 4,516 cases and 5,645 controls were included. The pooled ORs with 95% CIs indicated that the IL-17A rs2275913G>A polymorphism was significantly associated with increased cancer risk (for A versus G: OR = 1.28, 95% CI: 1.16–1.41, P < 0.001, I2 = 61.1%; for GA versus GG: OR = 1.12, 95% CI: 1.02–1.23, P = 0.015, I2 = 27.8%; for AA versus GG: OR = 1.71, 95% CI: 1.38–2.41, P < 0.001, I2 = 69.6%; for GA + AA versus GG: OR = 1.23, 95% CI: 1.13–1.34, P < 0.001, I2 = 6.4%; for AA versus GG + GA: OR = 1.62, 95% CI: 1.27–2.07, P < 0.001, I2 = 81.4%). Succeeding analysis of HWE and stratified analysis of gastric cancer and the Asian (and Chinese) population revealed similar results. The IL-17F rs763780T>C polymorphism was also significantly associated with gastric cancer development. Overall, the present meta-analysis suggests that IL-17 polymorphisms increase the risk of developing cancer, particularly gastric cancer, in the Asian (and Chinese) population.
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104
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Raeiszadeh Jahromi S, Mahesh PA, Jayaraj BS, Madhunapantula SRV, Holla AD, Vishweswaraiah S, Ramachandra NB. Serum levels of IL-10, IL-17F and IL-33 in patients with asthma: a case-control study. J Asthma 2014; 51:1004-13. [PMID: 24960440 DOI: 10.3109/02770903.2014.938353] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
OBJECTIVES The development of inflammation in asthma involves an intricate network of cytokines that recruit and activate numerous immune cells. This study was aimed to compare serum levels of IL-10, IL-17F, and IL-33 in asthmatic patients and non-asthmatic controls and correlate cytokine levels to asthma severity and various clinical, spirometric, and laboratory variables. METHODS Using ELISA, serum levels of IL-10, IL-17F, and IL-33 were evaluated in 44 asthmatics (14 mild persistent, 15 moderate persistent, and 15 severe persistent) and 44 controls. RESULTS This is one of the first reports showing a significant difference in serum levels of asthma-associated cytokines, anti-inflammatory IL-10, and pro-inflammatory IL-17F and IL-33, in the same subset of asthmatic patients. Our results showed diminished level of IL-10 and elevated levels of IL-17F and IL-33 in asthmatics than in controls (p < 0.001). Assessment of cytokine levels between subjects of different gender, age group, and BMI showed non-significant differences. Correlation analysis of cytokine levels to clinical variables showed that IL-17F is associated negatively to FVC % predicted (forced vital capacity) and FEV1% predicted (forced expiratory volume in one second) and positively to number of allergens sensitized and FEV1 reversibility. A strong negative correlation was found between IL-10 and IL-33 levels (p = 0.001). CONCLUSIONS Negative correlation between IL-10 and IL-33 levels may reflect a converse relationship between anti-inflammatory and pro-inflammatory cytokines in an individually balanced pattern. The association between IL-17F level and asthmatic phenotypes such as reduced FVC and FEV1, higher degree of sensitization, and post-bronchodilator reversibility needs further assessments.
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Affiliation(s)
- Sareh Raeiszadeh Jahromi
- Genetics and Genomics Lab, Department of Studies in Zoology, University of Mysore , Manasagangotri, Mysore, Karnataka , India
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105
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Yao F, Yan S, Wang X, Shi D, Bai J, Li F, Sun B, Qian B. Role of IL-17F T7488C polymorphism in carcinogenesis: a meta-analysis. Tumour Biol 2014; 35:9061-8. [PMID: 24913709 DOI: 10.1007/s13277-014-2171-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2014] [Accepted: 05/28/2014] [Indexed: 02/07/2023] Open
Abstract
Previous case-control studies on the association of interleukin-17F (IL-17F) T7488C polymorphism and cancer risk have yielded conflicting and inconclusive findings. We performed a meta-analysis by pooling all currently available data to acquire a more precise estimation of the association. A comprehensive literature screening from the PubMed, Embase, Web of Science, and Wanfang databases was performed for eligible publications without language restrictions. The pooled odds ratios (ORs) with corresponding 95 % confidence intervals (95 % CIs) were calculated. According to the inclusion criteria, a total of nine case-control studies with 3,034 cases and 3,694 controls were included. Overall, the pooled ORs showed that IL-17F T7488C polymorphism was associated with neither increased nor decreased risk of cancer. However, the IL-17F T7488C polymorphism exerted risk effect on cancer in population-based case-control studies when stratifying analysis by source of controls (C vs T OR = 1.24, 95 % CI, 1.10-1.40, pooled OR (POR) < 0.001; TC vs TT OR = 1.28, 95 % CI, 1.11-1.48, POR = 0.001; CC + TC vs TT OR = 1.29, 95 % CI, 1.12-1.48, POR < 0.001). Additionally, the variant genotypes of IL-17F T7488C could alter the risk of gastric cancer under the following comparisons (C vs T OR = 1.29, 95 % CI, 1.13-1.47, POR < 0.001; TC vs TT OR = 1.35, 95 % CI, 1.14-1.60, POR < 0.001; CC + TC vs TT OR = 1.35, 95 % CI, 1.15-1.58, POR < 0.001). Sensitivity analysis by sequential omission of single study did not materially alter the pooled findings. The present meta-analysis suggests that the IL-17F T7488C polymorphism may modify the risk of cancer, particularly gastric cancer. However, the precise association needs to be elucidated by more individual studies with sufficient statistical power.
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Affiliation(s)
- Fen Yao
- Department of Anesthesiology, Fourth Affiliated Hospital of Nantong University, First Hospital of Yancheng, Yancheng, 224001, Jiangsu Province, China
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106
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Varzaneh FN, Keller B, Unger S, Aghamohammadi A, Warnatz K, Rezaei N. Cytokines in common variable immunodeficiency as signs of immune dysregulation and potential therapeutic targets - a review of the current knowledge. J Clin Immunol 2014; 34:524-43. [PMID: 24827633 DOI: 10.1007/s10875-014-0053-0] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 05/05/2014] [Indexed: 01/19/2023]
Abstract
Common variable immunodeficiency (CVID) is characterized by low levels of circulating immunoglobulins and compromised specific antibody response leading to frequent infections. Cytokines play an important role in the orchestration of the antibody response. Several previous studies have attempted to identify distinct cytokines responsible for the inflammatory changes and different manifestations of CVID, but there are conflicting results regarding the cytokine profiles in CVID patients. In light of this, an extensive review regarding the level of various cytokines and their potential therapeutic role in CVID patients was performed. This review delineates the contribution of interleukin (IL)-1, IL-2, IL-4, IL-5, IL-6, IL-7, IL-10, IL-12, IL-21, interferons, tumor necrosis factor (TNF)-α, IL-17, APRIL (a proliferation inducing ligand) and BAFF (B cell activating factor) in CVID disease and outline their potential therapeutic implications in these patients.
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Affiliation(s)
- Farnaz Najmi Varzaneh
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran
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107
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Dai W, Zhou Q, Tan X, Sun C. IL-17A (-197G/A) and IL-17F (7488T/C) gene polymorphisms and cancer risk in Asian population: a meta-analysis. Onco Targets Ther 2014; 7:703-11. [PMID: 24868166 PMCID: PMC4027853 DOI: 10.2147/ott.s62781] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Interleukin (IL)-17 has been shown to play an important role in the pathogenesis of inflammation and cancer. The IL-17A (-197G/A) and IL-17F (7488T/C) polymorphisms have been extensively investigated with cancer risk, but individually published results have been inconclusive. The aim of this study was to clarify the effects of the IL-17A (-197G/A) and IL-17F (7488T/C) polymorphisms on cancer risk in Asian populations. Relevant studies were identified by searching databases extensively. The association between the IL-17A (-197G/A) and IL-17F (7488T/C) polymorphisms and cancer risk was assessed by odds ratios (ORs) together with their 95% confidence intervals (CIs). A total of 12 articles with adequate information satisfied our inclusion criteria; these included 12 studies, with 4,540 cases and 5,875 controls, of IL-17A (-197G/A) polymorphism and seven studies, with 1,960 cases and 3,226 controls, of IL-17F (7488T/C) polymorphism. In the overall analysis, the IL-17A (-197G/A) polymorphism was significantly associated with increased cancer risk (P<0.05), for all genetic models. However, there was no statistically significant association between IL-17F (7488T/C) and cancer risk (P>0.05), for any genetic models. Furthermore, stratification by cancer type revealed a significant correlation between the IL-17A (-197G/A) polymorphism and cancer risk for all cancer types. When stratified by source of controls, a significant correlation was observed between the IL-17A (-197G/A) polymorphism and cancer risk in the population-based control subgroup but not in hospital-based control subgroup. In conclusion, our meta-analysis provides evidence that the IL-17A (-197G/A) polymorphism might be associated with cancer risk, while no evidence suggested a significant association between IL-17F (7488T/C) polymorphism and cancer risk.
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Affiliation(s)
- Wei Dai
- Department of Oromaxillofacial, Head and Neck Surgery, Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, People's Republic of China
| | - Qing Zhou
- Department of Oromaxillofacial, Head and Neck Surgery, Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, People's Republic of China
| | - Xuexin Tan
- Department of Oromaxillofacial, Head and Neck Surgery, Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, People's Republic of China
| | - Changfu Sun
- Department of Oromaxillofacial, Head and Neck Surgery, Department of Oral and Maxillofacial Surgery, School of Stomatology, China Medical University, Shenyang, People's Republic of China
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108
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The Treg/Th17 paradigm in lung cancer. J Immunol Res 2014; 2014:730380. [PMID: 24872958 PMCID: PMC4020459 DOI: 10.1155/2014/730380] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2013] [Revised: 03/21/2014] [Accepted: 04/04/2014] [Indexed: 01/07/2023] Open
Abstract
Pathogenic mechanisms underlying the development of lung cancer are very complex and not yet entirely clarified. T lymphocytes and their immune-regulatory cytokines play a pivotal role in controlling tumor growth and metastasis. Following activation by unique cytokines, CD4+ T helper cells differentiate into Th1, Th2, Th17, and regulatory T cells (Tregs). Traditionally, research in lung cancer immunity has focused almost exclusively on Th1/Th2 cell balance. Recently, Th17 cells and Tregs represent an intriguing issue to be addressed in lung cancer pathogenesis. Tregs play an important role in the preservation of self-tolerance and modulation of overall immune responses against tumor cells. Th17 cells directly or via other proinflammatory cytokines modulate antitumor immune responses. Notably, there is a close relation between Tregs and Th17 cells. However, the possible interaction between these subsets in lung cancer remains to be elucidated. In this setting, targeting Treg/Th17 balance for therapeutic purposes may represent a useful tool for lung cancer treatment in the future. The purpose of this review is to discuss recent findings of the role of these novel populations in lung cancer immunity and to highlight the pleiotropic effects of these subsets on the development and regulation of lung cancer.
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109
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Ota K, Kawaguchi M, Matsukura S, Kurokawa M, Kokubu F, Fujita J, Morishima Y, Huang SK, Ishii Y, Satoh H, Hizawa N. Potential involvement of IL-17F in asthma. J Immunol Res 2014; 2014:602846. [PMID: 24829928 PMCID: PMC4009148 DOI: 10.1155/2014/602846] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Revised: 12/03/2013] [Accepted: 12/05/2013] [Indexed: 01/13/2023] Open
Abstract
The expression of IL-17F is seen in the airway of asthmatics and its level is correlated with disease severity. Several studies have demonstrated that IL-17F plays a pivotal role in allergic airway inflammation and induces several asthma-related molecules such as CCL20. IL-17F-induced CCL20 may attract Th17 cells into the airway resulting in the recruitment of additional Th17 cells to enhance allergic airway inflammation. We have recently identified, for the first time, that bronchial epithelial cells are its novel cell source in response to IL-33 via ST2-ERK1/2-MSK1 signaling pathway. The receptor for IL-17F is the heterodimeric complex of IL-17RA and IL-17RC, and IL-17F activates many signaling pathways. In a case-control study of 867 unrelated Japanese subjects, a His161 to Arg161 (H161R) substitution in the third exon of the IL-17F gene was associated with asthma. In atopic patients with asthma, prebronchodilator baseline FEV1/FVC values showed a significant association with the H161R variant. Moreover, this variant is a natural antagonist for the wild-type IL-17F. Moreover, IL-17F is involved in airway remodeling and steroid resistance. Hence, IL-17F may play an orchestrating role in the pathogenesis of asthma and may provide a valuable therapeutic target for development of novel strategies.
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Affiliation(s)
- Kyoko Ota
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Mio Kawaguchi
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Satoshi Matsukura
- Department of Respiratory Medicine, Showa University Fujigaoka Hospital, 1-30 Aoba-ku, Yokohama 227-8501, Japan
| | - Masatsugu Kurokawa
- Division of Allergy and Respiratory Medicine, Department of Internal Medicine, Showa University, School of Medicine, 1-5-8 Hatanodai, Shinagawa-ku, Tokyo 142-8666, Japan
| | - Fumio Kokubu
- Department of Respiratory Medicine, Showa University Fujigaoka Hospital, 1-30 Aoba-ku, Yokohama 227-8501, Japan
| | - Junichi Fujita
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Yuko Morishima
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Shau-Ku Huang
- Johns Hopkins University, Asthma and Allergy Center, 5501 Hopkins Bayview Circle, Baltimore, MD 21224-6801, USA
- National Health Research Institutes, 35 Keyan Road, Zhunan, Miaoli County 35053, Taiwan
| | - Yukio Ishii
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Hiroaki Satoh
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
| | - Nobuyuki Hizawa
- Division of Clinical Medicine, Department of Respiratory Medicine, Faculty of Medicine, University of Tsukuba, 1-1-1 Tennoudai, Tsukuba, Ibaraki 305-8575, Japan
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110
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Omrane I, Marrakchi R, Baroudi O, Mezlini A, Ayari H, Medimegh I, Stambouli N, Kourda N, Bouzaienne H, Uhrhammer N, Bougatef K, Bignon YJJ, Benammar-Elgaaied A. Significant association between interleukin-17A polymorphism and colorectal cancer. Tumour Biol 2014; 35:6627-32. [PMID: 24699997 DOI: 10.1007/s13277-014-1890-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Accepted: 03/25/2014] [Indexed: 12/21/2022] Open
Abstract
Interleukin (IL) 17A is an inflammatory cytokine expressed by Th 17 cells and plays a role in tissue inflammation by inducing release of proinflammatory and neutrophil-mobilizing cytokines. We have investigated the association between colorectal cancer and polymorphisms of IL17A (rs2275913. G197A). The study was performed in 241 subjects (102 with colorectal cancer and 139 healthy controls). Genotypes were determined by fluorescent-based restriction fragment length polymorphism method. The association between the molecular features at the gene in relation to tumor and patient clinical characteristics was analyzed. There was a significant difference between the genotype frequencies of IL17A G197A of control subjects (GG 68.34 % and GA + AA 31.65 %) and patients with colorectal cancer (GG 47.05 % and GA + AA 52.94 %) (p = 0.001 with odds ratio (OR) 2.45 (1.43-4.11)). IL17A G197A polymorphism is particularly associated with colon cancer. Indeed, the IL17A GG genotype could be considered as a protective factor against colon cancer (p = 0.00001) with OR 3.77 (2.04-6.99). We have noted a significant association of IL17A G197A polymorphism not only with tumor localization (p = 0.003) but also with tumor differentiation (p = 0.0005) in CRC patients. We have also showed a significant association of G197A variant with an increased risk of advanced stage (p = 0.005). Our result suggests that the A allele of IL17A gene is involved in susceptibility to colorectal cancer and is associated with clinical features as tumor location, tumor differentiation, and TNM stage. IL17A polymorphism may serve as biomarker of disease location and progression.
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Affiliation(s)
- Inés Omrane
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis, University of Tunis El Manar, El Manar, Tunis, 209, Tunisia,
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111
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Magyari L, Kovesdi E, Sarlos P, Javorhazy A, Sumegi K, Melegh B. Interleukin and interleukin receptor gene polymorphisms in inflammatory bowel diseases susceptibility. World J Gastroenterol 2014; 20:3208-22. [PMID: 24695754 PMCID: PMC3964393 DOI: 10.3748/wjg.v20.i12.3208] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Revised: 12/20/2013] [Accepted: 02/20/2014] [Indexed: 02/06/2023] Open
Abstract
Inflammatory bowel disease (IBD), which includes Crohn's disease (CD) and ulcerative colitis (UC), represents a group of chronic inflammatory disorders caused by dysregulated immune responses in genetically predisposed individuals. Genetic markers are associated with disease phenotype and long-term evolution, but their value in everyday clinical practice is limited at the moment. IBD has a clear immunological background and interleukins play key role in the process. Almost 130 original papers were revised including meta-analysis. It is clear these data are very important for understanding the base of the disease, especially in terms of clinical utility and validity, but text often do not available for the doctors use these in the clinical practice nowadays. We conducted a systematic review of the current literature on interleukin and interleukin receptor gene polymorphisms associated with IBD, performing an electronic search of PubMed Database from publications of the last 10 years, and used the following medical subject heading terms and/or text words: IBD, CD, UC, interleukins and polymorphisms.
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112
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Lv T, Li J, Han Z, Chen Z. Association of interleukin-17F gene polymorphism with enterovirus 71 encephalitis in patients with hand, foot, and mouth disease. Inflammation 2014; 36:977-81. [PMID: 23519962 DOI: 10.1007/s10753-013-9629-8] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Enterovirus 71 (EV71) is one of the common pathogenic agents of hand, foot, and mouth disease (HFMD) and is associated with severe complications including encephalitis. Interleukin (IL)-17F plays an important role in tissue inflammation by inducing release of proinflammatory cytokines and chemokines. We investigated the association between EV71 encephalitis and of IL-17F 7488T/C (rs763780) gene polymorphism, which is known to cause a His-to-Arg substitution at amino acid 161. The study was performed in 58 Chinese patients with EV71 encephalitis and 127 Chinese patients with EV71-related HFMD without complications. Genotyping was determined by the polymerase chain reaction-restriction fragment length polymorphism technique. The patients with EV71 encephalitis had a significantly lower frequency of the IL-17F 7488TC+CC genotypes (10.3%) as compared to the patients with EV71-related HFMD without complications (27.6%, p = 0.008). The frequency of IL-17F 7488C alleles was also significantly lower among the patients with EV71 encephalitis (5.2%) as compared to that of the patients with EV71-related HFMD without complications (15%, OR = 0.310, 95% CI = 0.127-0.756, p = 0.006). Furthermore, homozygotes with the T allele had significantly higher levels of C-reactive protein, white blood cell count, and neutrophil count as compared to the patients with CC+CT genotypes (p = 0.004, 0.001, and 0.000, respectively). These findings suggested that the IL-17F 7488C allele could be significantly associated with protection against encephalitis in Chinese patients with EV71-related HFMD.
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Affiliation(s)
- Tiegang Lv
- Pediatric Department, Affiliated Hospital of Qingdao University Medical School, 16 Jangsu road, Qingdao, 266100, Shandong, China
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113
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Azizi G, Jadidi-Niaragh F, Mirshafiey A. Th17 Cells in Immunopathogenesis and treatment of rheumatoid arthritis. Int J Rheum Dis 2014; 16:243-53. [PMID: 23981743 DOI: 10.1111/1756-185x.12132] [Citation(s) in RCA: 84] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by the sequestration of various leukocyte subpopulations within both the developing pannus and synovial space. The chronic nature of this disease results in inflammation of multiple joints, with subsequent destruction of the joint cartilage and erosion of bone. Identification of T helper (Th)17 cells led to breaking the dichotomy of the Th1/Th2 axis in immunopathogenesis of autoimmune diseases such as RA, and its experimental model, collagen-induced arthritis (CIA). Th17 cells produce cytokines, including interleukin (IL)-17, IL-6, IL-21, IL-22 and tumor necrosis factor (TNF)-α, with pro-inflammatory effects, which appear to have a role in immunopathogenesis of RA. Regarding the wide ranging production of pro-inflammatory cytokines and chemokines by Th17 cells, it is expected that Th17 cell could be a potent pathogenic factor in disease immunopathophysiology. Thus the identification of effector mechanisms used by Th17 cells in induction of disease lesions may open new prospects for designing a new therapeutic strategy for treatment of RA.
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Affiliation(s)
- Gholamreza Azizi
- Imam Hassan Mojtaba Hospital, Alborz University of Medical Sciences, Karaj, Iran
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114
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Interleukin-17A and -17F genes polymorphisms in lung cancer. Cytokine 2014; 66:23-9. [DOI: 10.1016/j.cyto.2013.12.012] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2013] [Revised: 10/21/2013] [Accepted: 12/12/2013] [Indexed: 12/17/2022]
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115
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Severa M, Islam SA, Waggoner SN, Jiang Z, Kim ND, Ryan G, Kurt-Jones E, Charo I, Caffrey DR, Boyartchuk VL, Luster AD, Fitzgerald KA. The transcriptional repressor BLIMP1 curbs host defenses by suppressing expression of the chemokine CCL8. THE JOURNAL OF IMMUNOLOGY 2014; 192:2291-304. [PMID: 24477914 DOI: 10.4049/jimmunol.1301799] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
The transcriptional repressor B lymphocyte-induced maturation protein 1 (BLIMP1) is a master regulator of B and T cell differentiation. To examine the role of BLIMP1 in innate immunity, we used a conditional knockout (CKO) of Blimp1 in myeloid cells and found that Blimp1 CKO mice were protected from lethal infection induced by Listeria monocytogenes. Transcriptome analysis of Blimp1 CKO macrophages identified the murine chemokine (C-C motif) ligand 8, CCL8, as a direct target of Blimp1-mediated transcriptional repression in these cells. BLIMP1-deficient macrophages expressed elevated levels of Ccl8, and consequently Blimp1 CKO mice had higher levels of circulating CCL8, resulting in increased neutrophils in the peripheral blood, promoting a more aggressive antibacterial response. Mice lacking the Ccl8 gene were more susceptible to L. monocytogenes infection than were wild-type mice. Although CCL8 failed to recruit neutrophils directly, it was chemotactic for γ/δ T cells, and CCL8-responsive γ/δ T cells were enriched for IL-17F. Finally, CCL8-mediated enhanced clearance of L. monocytogenes was dependent on γ/δ T cells. Collectively, these data reveal an important role for BLIMP1 in modulating host defenses by suppressing expression of the chemokine CCL8.
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Affiliation(s)
- Martina Severa
- Division of Infectious Diseases and Immunology, Department of Medicine, University of Massachusetts Medical School, Worcester, MA 01605
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Maalmi H, Beraies A, Charad R, Ammar J, Hamzaoui K, Hamzaoui A. IL-17A and IL-17F genes variants and susceptibility to childhood asthma in Tunisia. J Asthma 2014; 51:348-54. [PMID: 24393079 DOI: 10.3109/02770903.2013.876647] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
OBJECTIVES IL-17A and IL-17F are new pro-inflammatory cytokines implicated in neutrophilic inflammation and thus, involved in the pathogenesis of asthma. We investigated the possible association among asthma and IL-17A -197G/A (rs2275913), IL-17F 7488A/G (rs763780) and IL-17F 7383A/G (rs2397084). METHODS The study was performed in 171 patients with asthma (mean age 9.5 years, 105 boys, and 66 girls) and 171 healthy individuals matched with patients in age and sex. The polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) method was used to detect genes' polymorphisms. RESULTS IL-17A -197G/A and IL-17F 7383A/G were associated with asthma in children (p = 0.008, p = 0.001, respectively). No association was found with IL-17F 7488A/G polymorphism. Haplotype analysis revealed a significant association between GA and AG haplotypes and asthma (p = 0.004, p = 0.02). When patients were stratified according to the atopic status, no significant association was detected with any of the three studied variants. CONCLUSION Our results suggested that SNPs in IL-17A and IL-17F confer susceptibility to childhood asthma in Tunisia.
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Affiliation(s)
- Haifa Maalmi
- Faculté de médecine de Tunis, 99/08-40 Unité de Recherche "Homéostasie et disfonctionnement cellulaire" (99/08-40), Université de Tunis El Manar , Tunis , Tunisia and
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Omrane I, Baroudi O, Bougatef K, Mezlini A, Abidi A, Medimegh I, Stambouli N, Ayari H, Kourda N, Uhrhammer N, Bignon YJ, Benammar Elgaaied A, Marrakchi R. Significant association between IL23R and IL17F polymorphisms and clinical features of colorectal cancer. Immunol Lett 2014; 158:189-94. [PMID: 24440568 DOI: 10.1016/j.imlet.2014.01.002] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Revised: 01/03/2014] [Accepted: 01/03/2014] [Indexed: 01/09/2023]
Abstract
Th17cells are involved in inflammatory and autoimmune diseases. These cells may be involved in pathological processes mainly producing pro-inflammatory cytokines. Recently, it was shown that the IL23/IL17 pathway plays an important role in the development of inflammatory bowel disease. In general, genes encoding cytokines are genetically polymorphic and polymorphisms in genes IL23R el IL17F were shown associated with susceptibility to Crohn's disease and ulcerative colitis which in their turn are considered as risk factors for developing colorectal cancer (CRC). Our approach is to study IL17F and IL23R polymorphisms as risk factor associated with CRC in the Tunisian population in patients and healthy controls. Interesting, we noted a significant association between IL17F and IL23R polymorphisms and tumor location (p=0.0001 and p=0.049, respectively), tumor histology (p=0.007 and p=0.049, respectively) and tumor architecture (p=0.0000000001 and p=0.07, respectively) in CRC patients. We also showed a significant association of IL17F variant with an increased risk of TNM stage III/IV (p=0.007), showing an increased risk of advanced stage. Finally, we observed a positive link between IL17F polymorphism and CRC patients with lymph nodes (p=0.0000000001) and metastasis (p=0.00000009). However, we found no evidence to support a significant association between IL17F and IL23R polymorphisms and colorectal cancer susceptibility. Our findings suggest that IL17F and IL23R polymorphisms were significantly associated with clinical features variables. The IL17F cytokine appear to be involved in the control of tumor growth and invasion of gastrointestinal tumors. IL17 and IL23 polymorphisms or those of their receptors as important determinants of susceptibility to colorectal cancer are still subject to questioning.
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Affiliation(s)
- Inés Omrane
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia.
| | - Olfa Baroudi
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Karim Bougatef
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Amel Mezlini
- Gastroenterology Service, Salah Azaiez hospital of Tunis, Tunisia
| | - Ahmed Abidi
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Imen Medimegh
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Nejla Stambouli
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Hager Ayari
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Nadia Kourda
- Laboratory of Anatomy and Pathology, Charles Nicolle Hospital of Tunis, Tunisia
| | - Nancy Uhrhammer
- Laboratory of Diagnosis and Molecular Genetics, Centre Jean Perrin, Clermont Ferrand, France
| | - Yves Jean Bignon
- Laboratory of Diagnosis and Molecular Genetics, Centre Jean Perrin, Clermont Ferrand, France
| | - Amel Benammar Elgaaied
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
| | - Raja Marrakchi
- Laboratory of Human Genetics Immunology and Pathology, Faculty of Sciences Tunis El Manar, University of Tunis, Tunisia
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Zhang Y, Yang E, Pu J, Liu L, Che Y, Wang J, Liao Y, Wang L, Ding D, Zhao T, Ma N, Song M, Wang X, Shen D, Tang D, Huang H, Zhang Z, Chen D, Feng M, Li Q. The gene expression profile of peripheral blood mononuclear cells from EV71-infected rhesus infants and the significance in viral pathogenesis. PLoS One 2014; 9:e83766. [PMID: 24392094 PMCID: PMC3879270 DOI: 10.1371/journal.pone.0083766] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2013] [Accepted: 11/07/2013] [Indexed: 12/03/2022] Open
Abstract
Enterovirus 71 (EV71) is the major pathogen responsible for fatal hand, foot and mouth disease (HFMD). Our previous work reported on an EV71-infected rhesus monkey infant model that presented with histo-pathologic changes of the central nervous system (CNS) and lungs. This study is focused on the correlated modulation of gene expression in the peripheral blood mononuclear cells (PBMCs) from EV71-infected rhesus monkey infants. The expression of more than 500 functional genes associated with multiple pathways was modulated. The expression of genes associated with immune inflammatory responses was up-regulated during the period from days 4 to 10 post-infection. The expression of two genes (TAC1 and IL17A), which play major roles in inflammatory reactions, was remarkably up-regulated during the infection period. Furthermore, a higher expression level of the TAC1 gene was identified in the CNS compared to the lungs, but a high expression level of the IL-17A gene was observed in the lungs and not in the CNS. The results of this study suggest at least two facts about EV71 infection, which are that: the TAC1 gene that encodes substance P and neurokinin-A is present in both PBMCs and the hypothalamus; and the up-regulation of IL-17A is sustained in the peripheral blood.
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Affiliation(s)
- Ying Zhang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Erxia Yang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Jing Pu
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Longding Liu
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Yanchun Che
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Jingjing Wang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Yun Liao
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Lichun Wang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Dong Ding
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Ting Zhao
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Na Ma
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Ming Song
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Xi Wang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Dong Shen
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Donghong Tang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Hongtai Huang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Zhixiao Zhang
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
| | - Dai Chen
- Department of Bioinformatic analyses, Novel Bioinformatics Co., Ltd, Shanghai, China
| | - Mingfei Feng
- Department of Bioinformatic analyses, Novel Bioinformatics Co., Ltd, Shanghai, China
| | - Qihan Li
- Yunnan Key Laboratory of Vaccine Research & Development on Severe Infectious Diseases, Institute of Medical Biology, Chinese Academy of Medicine Science and Peking Union Medical College, Kunming, China
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119
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Wu B, Muzammil S, Jones B, Nemeth JF, Janecki DJ, Baker A, Merle Elloso M, Naso M, Carton J, Taudte S. The role of interchain disulfide bond in a recombinant human interleukin-17A variant. Cytokine 2013; 65:167-74. [PMID: 24345576 DOI: 10.1016/j.cyto.2013.11.007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 11/06/2013] [Accepted: 11/18/2013] [Indexed: 10/25/2022]
Abstract
Interleukin-17A (IL-17A) is the prototype of IL-17 family and has been implicated in the pathogenesis of a variety of autoimmune diseases. Therefore its structural and functional properties are of great medical interest. During our research on a recombinant human IL-17A (rhIL-17A) variant, four isoforms were obtained when it was refolded. While isoforms 1 and 2 represented non-covalent dimers, isoforms 3 and 4 were determined to be covalent dimers. All four isoforms were structurally similar by Circular Dichroism and fluorescence spectroscopy studies, but differential scanning calorimetry demonstrated thermal stability in the order of isoform 1=isoform 2<isoform 4<isoform 3. In addition, compared to covalent dimers (isoform 3 and 4), the non-covalent dimers (isoforms 1 and 2) are slightly less active in a receptor-binding assay but at least 5-fold less active in a cell-based assay.
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Affiliation(s)
- Bingyuan Wu
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States.
| | - Salman Muzammil
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Brian Jones
- Immunology Discovery Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Jennifer F Nemeth
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Dariusz J Janecki
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Audrey Baker
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - M Merle Elloso
- Immunology Discovery Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Michael Naso
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Jill Carton
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
| | - Susann Taudte
- Biologics Research, Janssen Research and Development, LLC., 1400 McKean Road, Spring House, PA 19477, United States
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120
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Anti-IL-17 antibody improves hepatic steatosis by suppressing interleukin-17-related fatty acid synthesis and metabolism. Clin Dev Immunol 2013; 2013:253046. [PMID: 24396389 PMCID: PMC3876773 DOI: 10.1155/2013/253046] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2013] [Accepted: 08/20/2013] [Indexed: 12/20/2022]
Abstract
To investigate the relationship between interleukin-17 and proteins involved in fatty acid metabolism with respect to alcoholic liver disease, male ICR mice were randomized into five groups: control, alcoholic liver disease (ALD) at 4 weeks, 8 weeks, and 12 weeks, and anti-IL-17 antibody treated ALD. A proteomic approach was adopted to investigate changes in liver proteins between control and ALD groups. The proteomic analysis was performed by two-dimensional difference gel electrophoresis. Spots of interest were subsequently subjected to nanospray ionization tandem mass spectrometry (MS/MS) for protein identification. Additionally, expression levels of selected proteins were confirmed by western blot. Transcriptional levels of some selected proteins were determined by RT-PCR. Expression levels of 95 protein spots changed significantly (ratio >1.5, P < 0.05) during the development of ALD. Sterol regulatory element-binding protein-lc (SREBP-1c), carbohydrate response element binding protein (ChREBP), enoyl-coenzyme A hydratase (ECHS1), and peroxisome proliferator-activated receptor alpha (PPAR-α) were identified by MS/MS among the proteins shown to vary the most; increased IL-17 elevated the transcription of SREBP-1c and ChREBP but suppressed ECHS1 and PPAR-α. The interleukin-17 signaling pathway is involved in ALD development; anti-IL-17 antibody improved hepatic steatosis by suppressing interleukin-17-related fatty acid metabolism.
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121
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Qinghai Z, Yanying W, Yunfang C, Xukui Z, Xiaoqiao Z. Effect of interleukin-17A and interleukin-17F gene polymorphisms on the risk of gastric cancer in a Chinese population. Gene 2013; 537:328-32. [PMID: 24315816 DOI: 10.1016/j.gene.2013.11.007] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2013] [Revised: 10/28/2013] [Accepted: 11/02/2013] [Indexed: 12/11/2022]
Abstract
We selected six tagged single-nucleotide polymorphisms (SNPs) in the IL-17A and IL-17F genes, and evaluated the relationship between the six common SNPs and H. pylori infection, tobacco smoking and subsites of gastric cancer in gastric cancer patients. Genotyping of IL-17A (rs2275913, rs3748067 and rs3819025) and IL-17A (rs763780, rs9382084, and rs12203582) was performed in a 384-well plate format on the MassARRAY® platform. An unconditional multiple logistical regression model was performed to determine the association between IL-17A and IL-17F genetic variations and gastric cancer risk. Unconditional logistic regression analysis showed that subjects carrying the rs2275913AA and rs3748067 TT genotypes were 1.70 and 3.45 times more likely to develop gastric cancer. Furthermore, rs2275913 and rs3748067 genetic variants significantly interacted with H. pylori infection on the risk of gastric cancer. The interaction between rs3748067 and rs9382084 genetic variants and tobacco smoking trend was significant. In addition, rs2275913, rs3748067 and rs9382084 genetic variants were only associated with non-cardia gastric cancer. The findings suggest that the rs2275913, rs3748067 and rs9382084 polymorphisms increase the risk of gastric cancer, and they interact with H. pylori infection, tobacco smoking and subsites of gastric cancer. These findings could be helpful in identifying individuals at increased risk for developing gastric cancer.
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Affiliation(s)
- Zhu Qinghai
- Department of General Surgery, Zhumadian Centre Hospital, Zhumadian, China
| | - Wang Yanying
- Department of General Surgery, Zhumadian Centre Hospital, Zhumadian, China.
| | - Chen Yunfang
- Department of Oncology, Zhumadian Centre Hospital, Zhumadian, China
| | - Zhang Xukui
- Department of General Surgery, PLA Jinan General Hospital, Jinan, China
| | - Zhang Xiaoqiao
- Department of General Surgery, PLA Jinan General Hospital, Jinan, China
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122
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Osborne LM, Monk C. Perinatal depression--the fourth inflammatory morbidity of pregnancy?: Theory and literature review. Psychoneuroendocrinology 2013; 38:1929-52. [PMID: 23608136 PMCID: PMC4376311 DOI: 10.1016/j.psyneuen.2013.03.019] [Citation(s) in RCA: 175] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2012] [Revised: 03/20/2013] [Accepted: 03/21/2013] [Indexed: 01/22/2023]
Abstract
Perinatal depression is one of the leading causes of maternal morbidity and mortality. The biological etiology of this disorder remains in question, despite considerable research into the contributions of hormonal imbalance, the role of monoamines, and dysregulation of the HPA axis. Because inflammation is known to be associated with major depression in men and non-perinatal women as well as with other important morbidities of pregnancy (such as preeclampsia, preterm birth, and gestational diabetes), and because these morbidities may correlate with perinatal depression, inflammation may be a common physiological pathway that can also help explain perinatal depression. In this paper, we review the theoretical background of inflammation in perinatal depression and then review the literature concerning immune and inflammatory factors in the etiology and course of perinatal depression. We close with recommendations for future studies in this still relatively unexplored area. Identification and understanding of a common pathophysiology between other pregnancy morbidities and perinatal depression would link physical and mental well-being, likely leading to better treatment and prevention.
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Affiliation(s)
- Lauren M Osborne
- Department of Psychiatry, Columbia University/New York State Psychiatric Institute, 1051 Riverside Drive, Box 89, New York, NY 10032, USA.
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123
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IL-17 expression in dermatitis herpetiformis and bullous pemphigoid. Mediators Inflamm 2013; 2013:967987. [PMID: 23970818 PMCID: PMC3732598 DOI: 10.1155/2013/967987] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2013] [Accepted: 06/25/2013] [Indexed: 12/14/2022] Open
Abstract
Dermatitis herpetiformis (DH) and bullous pemphigoid (BP) are skin diseases associated with eosinophilic and neutrophilic infiltrations. Although cytokines are critical for the inflammatory process, there are single findings concerning concentration of IL-17 in bullous diseases. The goal of this study was to assess IL-17 expression in DH and BP patients. Skin biopsies were taken from 10 DH, 14 BP patients and from 10 healthy subjects. The localization and expression of IL-17 was studied by immunohistochemistry and the serum concentration was measured by immunoassays. Expression of IL-17 in the epidermis and in influxed cells in dermis was detected in skin biopsies. Expression of IL-17 was statistically higher in epidermis and infiltration cells in specimens from BP than from DH patients. Examined interleukin expression was detected in perilesional skin of all patients but it was much lower than in lesional skin. The expression of IL-17 was not observed in biopsies from healthy people. Serum level of IL-17 was statistically higher in BP and DH groups as compared to control group. Our results provide the evidence that IL-17 may play an essential role in activating and recruiting eosinophils and neutrophils, which ultimately contribute to the tissue damage in DH and BP.
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124
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Abhimanyu, Bose M, Komal, Varma-Basil M. Lack of association between IL17A and IL17F polymorphisms and related serum levels in north Indians with tuberculosis. Gene 2013; 529:195-8. [PMID: 23876429 DOI: 10.1016/j.gene.2013.06.090] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2013] [Revised: 06/12/2013] [Accepted: 06/29/2013] [Indexed: 11/16/2022]
Affiliation(s)
- Abhimanyu
- Department of Microbiology, Vallabhbhai Patel Chest Institute, University of Delhi, New Delhi 110007, India
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Nagasaki T, Matsumoto H. Influences of smoking and aging on allergic airway inflammation in asthma. Allergol Int 2013; 62:171-9. [PMID: 23612496 DOI: 10.2332/allergolint.12-ra-0523] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Accepted: 01/30/2013] [Indexed: 11/20/2022] Open
Abstract
Asthma is a heterogeneous disease with varying phenotypes and numerous risk factors. This condition results from complex interactions between genetic and environmental factors, and active smoking is one of these risk factors. The effects of aging should also be taken into account in these interactions. From an epidemiological standpoint, smokers and/or elderly patients with asthma are not small part in the total population with asthma. Furthermore, both smoking and aging are important risk factors for severe asthma. This review discusses the potential effects of smoking and aging on healthy subjects and patients with asthma, particularly from the perspective of inflammatory changes. First we show evidence that smokers and the elderly have increased neutrophil counts in their airways, which may have impacts on their clinical characteristics of elderly smokers with asthma. Secondly, on the basis of our recent findings on the interactions between smoking and aging in patients with asthma, we propose that IgE/eosinophilic inflammation should not be underestimated in elderly smokers with asthma, particularly those who are atopic. This review may expand our understanding of the effects of smoking and aging on asthma with a new perspective of an old issue.
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Affiliation(s)
- Tadao Nagasaki
- Department of Respiratory Medicine, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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126
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Wu SZ, Huang XD, Li Q, He MX. Interleukin-17 in pearl oyster (Pinctada fucata): molecular cloning and functional characterization. FISH & SHELLFISH IMMUNOLOGY 2013; 34:1050-1056. [PMID: 23357025 DOI: 10.1016/j.fsi.2013.01.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2012] [Revised: 01/14/2013] [Accepted: 01/15/2013] [Indexed: 06/01/2023]
Abstract
IL-17 from pearl oyster Pinctada fucata, one of mollusk, was identified and characterized, and its genomic structure and promoter were analyzed. The full-length cDNA of P. fucata IL-17 (PfIL-17) is 907 bp with an open reading frame of 585 bp encoding a putative protein of 194 amino acids. The deduced PfIL-17 contains a 19 amino acid signal peptide and a conserved IL-17 domain. Multiple sequence alignments and phylogenetic analysis revealed that PfIL-17 has lower similarity with other invertebrate IL-17 and was clustered with CgIL-17, but not clustered with other invertebrate IL-17. Gene expression analysis indicated that PfIL-17 took part in the immune response to LPS and poly(I:C) stimulation, and dual-luciferase reporter assays showed that PfIL-17 could active vertebrate target genes containing the NF-κB binding site and involve NF-κB signal pathway in HEK293 cells. Combined with the results mentioned above, it is suggested that PfIL-17 might involve and activate NF-κB signal pathway against extracellular pathogens.
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Affiliation(s)
- Shan-Zeng Wu
- Key Laboratory of Marine Bio-resources Sustainable Utilization, South China Sea Institute of Oceanology, Chinese Academy of Sciences, 164 West Xingang Road, Guangzhou 510301, PR China
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Poulsen KP, Faith NG, Steinberg H, Czuprynski CJ. Bacterial load and inflammation in fetal tissues is not dependent on IL-17a or IL-22 in 10-14 day pregnant mice infected with Listeria monocytogenes. Microb Pathog 2013; 56:47-52. [PMID: 23178254 PMCID: PMC3578105 DOI: 10.1016/j.micpath.2012.11.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2012] [Revised: 11/06/2012] [Accepted: 11/08/2012] [Indexed: 01/23/2023]
Abstract
In this study, we first assessed the effect of intragastric infection of pregnant mice with Listeria monocytogenes on relative expression of select genes associated with T cell subsets. Relative gene expression was moderately increased in placental tissues for IFNγ, IL-4, IL-17a, IL-22, CD3, and FoxP3. To assess the roles of IL-17a and IL-22 in resistance to listeriosis during pregnancy, we compared the severity of maternal and fetal infection in IL-17a((-/-)), IL-22((-/-)), and IL-17a((-/-))/IL-22((-/-)) mice with that of wild type C57BL/6 mice. Intragastric infection with modest numbers of bacterial cells (10(5) CFU) caused reproducible maternal and fetal infection in all four mouse strains. We recovered greater numbers of CFU from the bloodstream of pregnant IL-22((-/-)) mice than pregnant wild type mice. Otherwise we found no significant difference in bacterial load in maternal or fetal tissues (spleen, liver, fetoplacental units) from pregnant IL-17a((-/-)), IL-22((-/-)), or IL-17a((-/-))/IL-22((-/-)) or wild type mice. Nor did we observe histopathologic differences in severity of inflammation in maternal or fetal tissues from the various groups of mice. Although IL-17a and IL-22 are up-regulated in placental tissue, our study suggests that antibacterial resistance and the host inflammatory response are not dependent on IL-17a or IL-22 during infection of mice with L. monocytogenes at 10-14 days of gestation.
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Affiliation(s)
- Keith P. Poulsen
- Department of Clinical Sciences, College of Veterinary Medicine, Oregon State University, 700 SW 30 Street, Corvallis, Oregon, 97331, USA
| | - Nancy G. Faith
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA
- Food Research Institute, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA
| | - Howard Steinberg
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA
| | - Charles J. Czuprynski
- Department of Pathobiological Sciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA
- Food Research Institute, University of Wisconsin-Madison, Madison, Wisconsin, 53706, USA
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128
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Gomez FP, Steelman AJ, Young CR, Welsh CJ. Hormone and immune system interactions in demyelinating disease. Horm Behav 2013; 63:315-21. [PMID: 23137721 DOI: 10.1016/j.yhbeh.2012.10.014] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2012] [Revised: 10/25/2012] [Accepted: 10/29/2012] [Indexed: 11/17/2022]
Abstract
The immune, endocrine and nervous systems communicate with each other through a myriad of molecules including cytokines, hormones and neurotransmitters. Alterations in the balance of the products of these systems affect susceptibility to autoimmune disease and also the progression of disease. One of the most intensely studied autoimmune diseases is multiple sclerosis (MS). The purpose of this review is to explore the relationships between sex hormones and MS disease progression and to attempt to understand the paradox that although women are more likely to develop MS, female sex hormones appear to be beneficial in symptom amelioration. The proposed mechanisms of the therapeutic action of estrogens will be discussed with respect to T cell polarization and also on CNS cell populations. Investigations into the pathogenesis of multiple sclerosis (MS) and animal models of MS have given insights into the interactions between the neuroendocrine systems and provide important potential therapeutic venues that may be expanded to other autoimmune and neurodegenerative conditions.
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Affiliation(s)
- Francisco P Gomez
- Department of Veterinary Integrative Biosciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX 77843-4458, USA
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129
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Peng Y, Zhou B, Wang YY, Shi S, Zhang K, Zhang L, Rao L. Analysis of IL-17 gene polymorphisms in Chinese patients with dilated cardiomyopathy. Hum Immunol 2013; 74:635-9. [PMID: 23376081 DOI: 10.1016/j.humimm.2013.01.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2012] [Revised: 12/04/2012] [Accepted: 01/24/2013] [Indexed: 02/05/2023]
Abstract
Cardiomyopathy is one of the major causes of sudden death and/or progressive heart failure. Dilated cardiomyopathy (DCM), comprising 60% of the cases of identified cardiomyopathy, is the most common form of heart muscle disease. Interleukin 17 (IL-17) is a proinflammatory cytokine that has been implicated in the pathogenesis of various diseases. To evaluate the influence of IL-17A and IL-17F gene polymorphisms on the risk of DCM, a case-control study was conducted in a Chinese Han population. The TaqMan® SNP Genotyping Assay was used to genotype the SNP rs2275913 of IL-17A and SNP rs763780 of IL-17F in 288 DCM patients and 421 ethnicity-matched controls. No significant difference in genotypic and allelic frequencies between DCM patients and control subjects was observed. However, Results of stratified analysis revealed that rs763780 was associated with male DCM patients in a dominant genetic model (p=0.031, OR=1.83, 95% CI=1.04-3.22). Our results suggest that the tested two IL-17 SNPs, rs2275913 and rs763780, are not found to be associated with DCM in the Chinese population studied.
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Affiliation(s)
- Ying Peng
- Department of Cardiology, West China Hospital of Sichuan University, Chengdu, PR China
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130
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Abstract
Listeria monocytogenes causes several clinical manifestations in humans and domestic animals. This bacterium is a saprophyte in soil and ensiled feeds, which are sources of infection for food producing animals (i.e. ruminants). The most common route of infection for people is via ingestion of contaminated ready-to-eat food products such as produce, soft cheeses and deli meats. In the United States, L. monocytogenes causes relatively few cases of clinical disease compared to other food-borne pathogens. However, clinical listeriosis is associated with high mortality, especially in immunocompromised patients, pregnant women, neonates, and the elderly. Listeria is an intracellular pathogen, which has been widely used in basic research to elucidate mechanisms of molecular pathogenesis and protective cell-mediated immunity. Despite the sizeable knowledge on L. monocytogenes pathogenesis, key points regarding listeriosis during pregnancy and the perinatal period remain unknown. This review summarizes listeriosis in humans and domestic animals during pregnancy, and animal models used to study the pathogenesis and immune response to L. monocytogenes infection during these periods.
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131
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Rzepecka J, Siebeke I, Coltherd JC, Kean DE, Steiger CN, Al-Riyami L, McSharry C, Harnett MM, Harnett W. The helminth product, ES-62, protects against airway inflammation by resetting the Th cell phenotype. Int J Parasitol 2013; 43:211-23. [PMID: 23291461 PMCID: PMC3584281 DOI: 10.1016/j.ijpara.2012.12.001] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 12/01/2012] [Accepted: 12/03/2012] [Indexed: 12/23/2022]
Abstract
We previously demonstrated inhibition of ovalbumin-induced allergic airway hyper-responsiveness in the mouse using ES-62, a phosphorylcholine-containing glycoprotein secreted by the filarial nematode, Acanthocheilonema viteae. This inhibition correlated with ES-62-induced mast cell desensitisation, although the degree to which this reflected direct targeting of mast cells remained unclear as suppression of the Th2 phenotype of the inflammatory response, as measured by eosinophilia and IL-4 levels in the lungs, was also observed. We now show that inhibition of the lung Th2 phenotype is reflected in ex vivo analyses of draining lymph node recall cultures and accompanied by a decrease in the serum levels of total and ovalbumin-specific IgE. Moreover, ES-62 also suppresses the lung infiltration by neutrophils that is associated with severe asthma and is generally refractory to conventional anti-inflammatory therapies, including steroids. Protection against Th2-associated airway inflammation does not reflect induction of regulatory T cell responses (there is no increased IL-10 or Foxp3 expression) but rather a switch in polarisation towards increased Tbet expression and IFNγ production. This ES-62-driven switch in the Th1/Th2 balance is accompanied by decreased IL-17 responses, a finding in line with reports that IFNγ and IL-17 are counter-regulatory. Consistent with ES-62 mediating its effects via IFNγ-mediated suppression of pathogenic Th2/Th17 responses, we found that neutralising anti-IFNγ antibodies blocked protection against airway inflammation in terms of pro-inflammatory cell infiltration, particularly by neutrophils, and lung pathology. Collectively, these studies indicate that ES-62, or more likely small molecule analogues, could have therapeutic potential in asthma, in particular for those subtypes of patients (e.g. smokers, steroid-resistant) who are refractory to current treatments.
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Affiliation(s)
- Justyna Rzepecka
- Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 161 Cathedral Street, Glasgow G4 0RE, UK
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132
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Genetic association between IL-17F gene polymorphisms and the pathogenesis of Graves' Disease in the Han Chinese population. Gene 2013; 512:300-4. [DOI: 10.1016/j.gene.2012.10.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2012] [Revised: 09/28/2012] [Accepted: 10/21/2012] [Indexed: 12/27/2022]
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133
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134
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Li N, Zhu Q, Li Z, Han Q, Zhang G, Chen J, Lv Y, Xing F, Chen Y, Zeng X, Liu Z. IL17A gene polymorphisms, serum IL-17A and IgE levels, and hepatocellular carcinoma risk in patients with chronic hepatitis B virus infection. Mol Carcinog 2012; 53:447-57. [PMID: 23280722 DOI: 10.1002/mc.21992] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 10/08/2012] [Accepted: 11/27/2012] [Indexed: 12/15/2022]
Abstract
Interleukin (IL)-17A plays important roles in hepatitis B virus (HBV)-induced liver diseases. This study aims to investigate IL17A single nucleotide polymorphisms (SNPs) and the predispositions to chronic HBV infection and hepatocellular carcinoma (HCC) risk and the correlations to IL-17A and IgE levels. Three hundred ninety-five chronic HBV patients, 75 HBV infection resolvers, and 174 healthy controls were included. IL17A SNPs rs8193036 (C/T) and rs2275913 (A/G) and serum IL-17A and IgE levels were determined. HBV infection resolvers had higher rs8193036 allele T and allele T-containing genotypes than HBV patients or controls. Compared with chronic hepatitis, HCC patients had more frequent rs2275913 genotype GG (odds ratios [OR] 3.317, 95% confidence interval [CI] 1.663-6.617, P = 0.001) and allele G (OR 1.844, 95% CI 1.311-2.595, P < 0.001), and more frequent haplotypes CG (OR 1.868, 95% CI 1.256-2.778, P = 0.002) and TG (OR 1.788, 95% CI 1.031-3.101, P = 0.037) of rs8193036 and rs2275913. Comparison of HCC patients with cirrhosis yielded similar findings. Apart from male gender and older ages, IL-17A level (OR 1.020, 95% CI 1.003-1.036, P = 0.019) and rs2275913 genotypes AG and GG (OR 1.704, 95% CI 1.214-2.390, P = 0.006) were factors significantly associated with HCC risk in multivariate analysis in comparison with HBV patients without HCC. These factors remained significant in multivariate analysis in relation to cirrhosis. IL17A rs2275913 genotype GG was associated with significantly increased IL-17A and IgE levels. IL17A polymorphisms may influence HCC risk in chronic HBV infection via regulating IL-17A production.
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Affiliation(s)
- Na Li
- Department of Infectious Diseases, First Affiliated Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi Province, China
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135
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Chatterjee D, Chaudhuri K. Vibrio cholerae O395 outer membrane vesicles modulate intestinal epithelial cells in a NOD1 protein-dependent manner and induce dendritic cell-mediated Th2/Th17 cell responses. J Biol Chem 2012; 288:4299-309. [PMID: 23275338 DOI: 10.1074/jbc.m112.408302] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Like other Gram-negative pathogens, Vibrio cholerae, the causative agent of the diarrheal disease cholera, secretes outer membrane vesicles (OMVs). OMVs are complex entities composed of a subset of envelope lipid and protein components and play a role in the delivery of effector molecules to host cells. We previously showed that V. cholerae O395 cells secrete OMVs that are internalized by host cells, but their role in pathogenesis has not been well elucidated. In the present study, we evaluated the interaction of OMVs with intestinal epithelial cells. These vesicles induced expression of proinflammatory cytokines such as IL-8 and GM-CSF and chemokines such as CCL2, CCL20, and thymic stromal lymphopoietin in epithelial cells through activation of MAPK and NF-κB pathways in NOD1-dependent manner. Epithelial cells stimulated with OMVs activated dendritic cells (DCs) in a direct co-culture system. Activated DCs expressed high levels of co-stimulatory molecules; released inflammatory cytokines IL-1β, IL-6, TNF-α, and IL-23 and chemokines CCL22 and CCL17; and subsequently primed CD4(+) T cells leading to IL-4, IL-13, and IL-17 expression. These results suggest that V. cholerae O395 OMVs modulate the epithelial proinflammatory response and activate DCs, which promote T cell polarization toward an inflammatory Th2/Th17 response.
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Affiliation(s)
- Debashree Chatterjee
- Molecular and Human Genetics Division, Council of Scientific and Industrial Research (CSIR)-Indian Institute of Chemical Biology, Kolkata 700032, India
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136
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Association of single nucleotide polymorphisms on Interleukin 17 receptor A (IL17RA) gene with aspirin hypersensitivity in asthmatics. Hum Immunol 2012; 74:598-606. [PMID: 23220496 DOI: 10.1016/j.humimm.2012.11.002] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2012] [Revised: 10/25/2012] [Accepted: 11/15/2012] [Indexed: 12/30/2022]
Abstract
AIM To investigate the association of single nucleotide polymorphisms (SNP) on IL17RA gene with Aspirin Exacerbated Respiratory Disease (AERD) and the functional effect of these variants on expression of IL17RA gene products. MATERIAL & METHODS 15 SNPs of IL17RA gene were analyzed in 825 normal controls and 143 subjects with AERD and 411 with aspirin-tolerant asthma (ATA) and functionally characterized using measurement of protein and m-RNA expression. RESULT Minor alleles frequencies of the three SNPs (-1075 A>G, -947 A>G, -50 C>T) and one haplotype (BL1_ht1) were significantly lower in AERD compared to those in ATA (p(corr)=0.002-0.03). IL17RA protein expression and mRNA amount in CD14(+) peripheral blood monocytes and mononuclear cells were significantly increased in subjects carrying the common alleles homozygote compared with those carrying the minor alleles. CONCLUSIONS The minor alleles of the three SNPs may decrease the risk of AERD via attenuation of IL17RA gene expression.
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137
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Cloning and characterization of rainbow trout interleukin-17A/F2 (IL-17A/F2) and IL-17 receptor A: expression during infection and bioactivity of recombinant IL-17A/F2. Infect Immun 2012; 81:340-53. [PMID: 23147036 DOI: 10.1128/iai.00599-12] [Citation(s) in RCA: 75] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Lower vertebrates have been found to possess genes that have similar homology to both interleukin (IL)-17A and IL-17F, which have been termed IL-17A/F. In fish species, several of these genes can be present, but, to date, very little is known about their functional activity. This article describes the discovery and sequence analysis of a rainbow trout (Oncorhynchus mykiss) IL-17A/F2 molecule and an IL-17RA receptor. In addition, the bioactivity of the trout IL-17A/F2 is investigated for the first time in any species. The predicted IL-17A/F2 and IL-17RA proteins consist of 146 and 966 amino acids (aa), respectively, with both molecules containing conserved family motifs. Expression analysis revealed high constitutive expression of trout IL-17A/F2 in mucosal tissues from healthy fish, suggesting a potential role in mucosal immunity. When the modulation of IL-17A/F2 and IL-17RA in vitro was analyzed, it was observed that the two molecules were similarly affected. The expression of IL-17A/F2 was also induced in head kidney during bacterial, parasitic, and viral infections, revealing a possible function in defense against such pathogens. However, downregulation of IL-17RA was seen in some tissues and infections. The recombinant IL-17A/F2 protein was produced in Escherichia coli and was found to affect the expression of an antimicrobial peptide and the proinflammatory cytokines IL-6 and IL-8 in splenocytes. Consistent with mammalian IL-17 homologues, our expression and bioactivity results imply that trout IL-17A/F2 plays an important role in promoting inflammatory and host innate immune responses directed against different pathogen groups.
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138
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Jin Y, Lin Y, Lin L, Zheng C. IL-17/IFN-γ interactions regulate intestinal inflammation in TNBS-induced acute colitis. J Interferon Cytokine Res 2012; 32:548-56. [PMID: 23030668 DOI: 10.1089/jir.2012.0030] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Colonic administration of 2,4,6-trinitrobenzene sulfonic acid (TNBS) induced acute colitis in mice and elicited a Th1 immune response. Th17 cells are believed to play a major role in TNBS-induced colitis. The aim of this study is to investigate the roles of interleukin (IL)-17 and interferon (IFN)-γ in the pathogenesis of TNBS-induced acute colitis. We assessed the inflammation scores of TNBS-induced acute colitis in wild-type (WT), IL-17 knockout (KO), and IFN-γ KO mice and measured the levels of inflammatory cytokines using real-time PCR and ELISAs. Histology data showed that IL-17 KO mice with TNBS-induced colitis had significantly lower neutrophil infiltration and inflammatory macroscopic scores compared to the IFN-γ KO mice and WT mice. Intraperitoneal injection of anti-IL-17 monoclonal antibody confirmed a specific role for IL-17 in TNBS-induced acute colitis in the 3 strains of mice. The severity of colitis was higher in IFN-γ KO mice and lower in IL-17 KO mice compared to WT mice. Our data suggested that IL-17 signaling plays a critical role in the local inflammation of TNBS-induced colitis, while IFN-γ was not an important mediator of the local inflammation response. IL-17 may represent a target for therapeutic intervention in inflammatory bowel disease patients.
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Affiliation(s)
- Yu Jin
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, Liaoning, China
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139
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Lorenz O, Parzefall W, Kainzbauer E, Wimmer H, Grasl-Kraupp B, Gerner C, Schulte-Hermann R. Proteomics reveals acute pro-inflammatory and protective responses in rat Kupffer cells and hepatocytes after chemical initiation of liver cancer and after LPS and IL-6. Proteomics Clin Appl 2012; 3:947-67. [PMID: 21136998 DOI: 10.1002/prca.200800173] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Inflammation is a key event in the development of liver cancer. We studied early inflammatory responses of Kupffer cells (KCs) and hepatocyte (HC) after cancer initiation. The chemical carcinogen N-nitrosomorpholine (NNM) was used in a rat model. We applied a comprehensive analytical strategy including metabolic labeling, 2-D PAGE, LC-MS/MS-based spot identification and shotgun proteomics and thus determined the rates of synthesis of individual proteins, compared whole tissue with isolated constituent cells and performed in vivo to in vitro comparisons of NNM effects. NNM increased synthesis of overall and 138 individual proteins identified in HC and/or KC, indicating reprogramming of metabolism favoring protection, repair and replacement of cell constituents in HC and KC. Secretome analysis by 2-D PAGE and shotgun proteomics of HC revealed the induction of acute phase proteins, in case of KC of proteases, cytokines and chemokines, indicating inflammatory effects. All responses were induced rapidly, independently of signals from other cells, and closely mimicked the pro-inflammatory and protective effects of inflammation modulators LPS in KC and IL-6 in HC. In conclusion, the carcinogen NNM exerts pro-inflammatory effects in the liver, partially by direct activation of KC. The acute inflammation and its protective component will enhance formation, survival and proliferation of initiated cells and may therefore act synergistically with the genotoxic action of the carcinogen.
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Affiliation(s)
- Olga Lorenz
- Department of Medicine I, Division: Institute of Cancer Research, Research Unit Toxicology and Prevention, Medical University of Vienna, Austria
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140
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Association between IL17 polymorphisms and risk of cervical cancer in Chinese women. Clin Dev Immunol 2012; 2012:258293. [PMID: 23049595 PMCID: PMC3463183 DOI: 10.1155/2012/258293] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2012] [Revised: 07/31/2012] [Accepted: 07/31/2012] [Indexed: 12/24/2022]
Abstract
Interleukin-17 (IL-17) is a proinflammatory cytokine that is associated with inflammation, autoimmune disorders, and even tumors. Previous studies revealed that a large group of human malignant tumors have abnormally high IL-17 expression. In the present study, we analyzed two single-nucleotide polymorphisms (SNPs) in the IL17A (rs2275913) and IL17F (rs763780) in 311 cervical cancer patients and 463 controls using TaqMan assays. Our results indicated that the frequencies of AA genotype and A allele of rs2275913 were significantly different between the cervical cancer patients and controls (P = 0.008, OR = 1.32, 95% CI, 1.07-1.62). Stratified analyses revealed that the polymorphism of rs2275913 was also associated with positive peritumor intravascular cancer emboli and high clinical stage. The genotype and allele frequencies of rs763780 did not show any difference between patients and controls or relate to patient clinical characteristics. Collectively, these findings suggested that IL17 gene polymorphism rs2275913 was associated with the susceptibility as well as positive peritumor intravascular cancer emboli and high clinical stage of cervical cancer in Chinese women.
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141
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Yan N, Yu YL, Yang J, Qin Q, Zhu YF, Wang X, Song RH, Zhang JA. Association of interleukin-17A and -17F gene single-nucleotide polymorphisms with autoimmune thyroid diseases. Autoimmunity 2012; 45:533-9. [DOI: 10.3109/08916934.2012.702814] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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142
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Chong DLW, Ingram RJ, Lowther DE, Muir R, Sriskandan S, Altmann DM. The nature of innate and adaptive interleukin-17A responses in sham or bacterial inoculation. Immunology 2012; 136:325-33. [PMID: 22384827 DOI: 10.1111/j.1365-2567.2012.03584.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Streptococcus pyogenes is the causative agent of numerous diseases ranging from benign infections (pharyngitis and impetigo) to severe infections associated with high mortality (necrotizing fasciitis and bacterial sepsis). As with other bacterial infections, there is considerable interest in characterizing the contribution of interleukin-17A (IL-17A) responses to protective immunity. We here show significant il17a up-regulation by quantitative real-time PCR in secondary lymphoid organs, correlating with increased protein levels in the serum within a short time of S. pyogenes infection. However, our data offer an important caveat to studies of IL-17A responsiveness following antigen inoculation, because enhanced levels of IL-17A were also detected in the serum of sham-infected mice, indicating that inoculation trauma alone can stimulate the production of this cytokine. This highlights the potency and speed of innate IL-17A immune responses after inoculation and the importance of proper and appropriate controls in comparative analysis of immune responses observed during microbial infection.
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Affiliation(s)
- Deborah L W Chong
- Section of Infectious Diseases & Immunity, Imperial College, Hammersmith Hospital, London Centre for Infection & Immunity, Queen's University, Belfast, UK
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143
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Immunologic therapeutic interventions in asthma: impact on natural history. Clin Chest Med 2012; 33:585-97. [PMID: 22929104 DOI: 10.1016/j.ccm.2012.06.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The discovery of new pathobiological pathways involved in asthma chronicity and reliefs offers novel therapeutic avenues. Enhanced phenotyping criteria associated with simple biologic characterization allowed to test targeted interventions in selected patients. Long-term studies are de facto lacking but required to address their impact on the natural history of the disease. Here, the authors review all potential available therapeutics based on immunologic pathways involved in asthma pathophysiology during the last decade.
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144
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Zhou B, Zhang P, Wang Y, Shi S, Zhang K, Liao H, Zhang L. Interleukin-17 gene polymorphisms are associated with bladder cancer in a Chinese Han population. Mol Carcinog 2012; 52:871-8. [PMID: 22692973 DOI: 10.1002/mc.21928] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2011] [Revised: 04/20/2012] [Accepted: 04/27/2012] [Indexed: 01/21/2023]
Abstract
Interleukin-17 (IL-17) has been shown to play an important role in the pathogenesis of inflammation and autoimmune disorders, and to be elevated in several types of cancer. The present study analyzed polymorphisms in IL-17 gene and their impact on the pathogenesis of bladder cancer. The TaqMan® SNP Genotyping Assay was used to genotype the SNP rs2275913 of IL-17A and SNP rs763780 of IL-17F in 301 bladder cancer patients and 446 ethnicity-matched healthy controls. The frequencies of AA genotype and A allele of rs2275913, as well as TT genotype and T allele of rs763780 in the bladder cancer patients were significantly higher than that of controls, indicating that both of these two SNPs were associated with bladder cancer (P = 0.003, OR = 1.37, 95% CI = 1.12-1.69 for allele A of rs2275913, and P = 0.018, OR = 1.46, 95% CI = 1.07-2.00 for allele T of rs763780, respectively). Results of stratified analysis revealed that rs2275913 was associated with male, non-smokers, and invasion of bladder cancer, while rs763780 was associated with invasion of bladder cancer. Our results suggested that the SNP rs2275913 of IL-17A and SNP rs763780 of IL-17F were associated with the development, as well as gender, smoking status and tumor stage of bladder cancer.
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Affiliation(s)
- Bin Zhou
- Laboratory of Molecular Translational Medicine, West China Institute of Women and Children's Health, Key Laboratory of Obstetric & Gynecologic and Pediatric Diseases and Birth Defects of Ministry of Education, West China Second University Hospital, Sichuan University, Chengdu, Sichuan, PR China
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145
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Fujita J, Kawaguchi M, Kokubu F, Ohara G, Ota K, Huang SK, Morishima Y, Ishii Y, Satoh H, Sakamoto T, Hizawa N. Interleukin-33 induces interleukin-17F in bronchial epithelial cells. Allergy 2012; 67:744-50. [PMID: 22540331 DOI: 10.1111/j.1398-9995.2012.02825.x] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/07/2012] [Indexed: 10/28/2022]
Abstract
BACKGROUND IL-33 is clearly expressed in the airway of patients with asthma, but its role in asthma has not yet been fully understood. IL-17F is also involved in the pathogenesis of asthma. However, the regulatory mechanisms of IL-17F expression remain to be defined. To further indentify the role of IL-33 in asthma, we investigated the expression of IL-17F by IL-33 in bronchial epithelial cells and its signaling mechanisms. METHODS Bronchial epithelial cells were stimulated with IL-33. The levels of IL-17F expression were analyzed using real-time PCR and ELISA. Next, the involvement of ST2, MAP kinases, and mitogen- and stress-activated protein kinase1 (MSK1) was determined by Western blot analyses. Various kinase inhibitors and anti-ST2 neutralizing Abs were added to the culture to identify the key signaling events leading to the expression of IL-17F, in conjunction with the use of short interfering RNAs (siRNAs) targeting MSK1. RESULTS IL-33 significantly induced IL-17F gene and protein expression. The receptor for IL-33, ST2, was expressed in bronchial epithelial cells. Among MAP kinases, IL-33 phosphorylated ERK1/2, but not p38MAPK and JNK. It was inhibited by the pretreatment of anti-ST2 neutralizing (blocking) Abs. MEK inhibitor significantly blocked IL-17F production. Moreover, IL-33 phosphorylated MSK1, and MEK inhibitor diminished its phosphorylation. Finally, MSK1 inhibitors and transfection of the siRNAs targeting MSK1 significantly blocked the IL-17F expression. CONCLUSIONS IL-33 induces IL-17F via ST2-ERK1/2-MSK1 signaling pathway in bronchial epithelial cells. These data suggest that the IL-33/IL-17F axis is involved in allergic airway inflammation and may be a novel therapeutic target.
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Affiliation(s)
- J. Fujita
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - M. Kawaguchi
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - F. Kokubu
- Department of Respiratory Medicine; Showa University Fujigaoka Hospital; Yokohama; Japan
| | - G. Ohara
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - K. Ota
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | | | - Y. Morishima
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - Y. Ishii
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - H. Satoh
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - T. Sakamoto
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
| | - N. Hizawa
- Department of Pulmonary Medicine; Institute of Clinical Medicine; University of Tsukuba; Ibaraki; Japan
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147
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Lemancewicz D, Bolkun L, Jablonska E, Czeczuga-Semeniuk E, Kostur A, Kloczko J, Dzieciol J. The role of Interleukin-17A and Interleukin-17E in multiple myeloma patients. Med Sci Monit 2012; 18:BR54-59. [PMID: 22207110 PMCID: PMC3560674 DOI: 10.12659/msm.882204] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2011] [Accepted: 07/11/2011] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Tumor growth in multiple myeloma (MM) is regulated by the cytokine networks which are produced by myeloma cells and the microenvironment of the bone marrow. Interleukin-17 (IL-17) is implicated in the increased angiogenesis in the bone marrow of MM. Recent studies reported elevated levels of interleukin 17A (IL-17A) in the sera of patients with advanced stages according to Durie-Salmon classification. MATERIAL/METHODS We compared the concentration of IL-17A and IL-17E in the blood serum of 34 newly diagnosed MM patients with healthy subjects' sera. We also evaluated the concentration of IL-17A and IL-17E in the blood serum of MM patients and the relation to the percentage of plasma cells and other clinical parameters. The concentration of IL-17E and IL-17A of healthy subjects and patients with MM was assessed by enzyme-linked immunosorbent assay (ELISA). RESULTS Our data confirm that IL-17A and IL-17E serum levels were significantly higher in all MM patients and also in patients with advanced stage compared with healthy subjects. We found the correlation between serum levels of IL-17A in MM patients and percentage of plasma cells. Our results also showed that if serum levels of IL-17E were higher in MM patients, the percentage of plasma cells and beta-2-microglobulin levels were lower. CONCLUSIONS The IL-17 family of cytokines may suppress or promote tumor growth. There seems to be some balance between the effects of IL-17A and IL-17E. The role of increased levels of IL-17E needs further investigation to understand its role in the pathobiology of MM.
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Affiliation(s)
- Dorota Lemancewicz
- Department of Human Anatomy, Medical University of Bialystok, Bialystok, Poland.
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148
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Wang L, Jiang Y, Zhang Y, Wang Y, Huang S, Wang Z, Tian B, Yang Y, Jiang W, Pang D. Association analysis of IL-17A and IL-17F polymorphisms in Chinese Han women with breast cancer. PLoS One 2012; 7:e34400. [PMID: 22461912 PMCID: PMC3312906 DOI: 10.1371/journal.pone.0034400] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Accepted: 02/27/2012] [Indexed: 01/07/2023] Open
Abstract
BACKGROUND Research into the etiology of breast cancer has recently focused on the role of the immunity and inflammation. The proinflammatory cytokines IL-17A and IL-17F can mediate inflammation and cancer. To evaluate the influences of IL-17A and IL-17F gene polymorphisms on the risk of sporadic breast cancer, a case-control study was conducted in Chinese Han women. METHODOLOGY AND PRINCIPAL FINDINGS We genotyped three single-nucleotide polymorphisms (SNPs) in IL-17A (rs2275913, rs3819025 and rs3748067) and five SNPs in IL-17F (rs7771511, rs9382084, rs12203582, rs1266828 and rs763780) to determine the haplotypes in 491 women with breast cancer and 502 healthy individuals. The genotypes were determined using the SNaPshot technique. The differences in the genotypic distribution between breast cancer patients and healthy controls were analyzed with the Chi-square test for trends. For rs2275913 in IL-17A, the frequency of the AA genotype was higher in patients than controls (P = 0.0016). The clinical features analysis demonstrated significant associations between IL-17 SNPs and tumor protein 53 (P53), progesterone receptor (PR), human epidermal growth factor receptor 2 (Her-2) and triple-negative (ER-/PR-/Her-2-) status. In addition, the haplotype analysis indicated that the frequency of the haplotype A(rs2275913)G(rs3819025)G(rs3748067), located in the IL-17A linkage disequilibrium (LD) block, was higher in patients than in controls (P = 0.0471 after correction for multiple testing). CONCLUSIONS AND SIGNIFICANCE Our results suggested that SNPs in IL-17A but not IL-17F were associated with the risk of breast cancer. Both IL-17A and IL-17F gene polymorphisms may provide valuable information for predicting the prognosis of breast cancer in Chinese women.
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Affiliation(s)
- Lihong Wang
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
| | - Yongdong Jiang
- Department of Breast Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Youxue Zhang
- Department of Breast Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Yuwen Wang
- Department of Laboratory Diagnostics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Sunhui Huang
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
| | - Zhihua Wang
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
| | - Baoling Tian
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
| | - Yue Yang
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
| | - Wei Jiang
- College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, China
- * E-mail: (DP); (WJ)
| | - Da Pang
- Institute of Cancer Prevention and Treatment, Harbin Medical University, Harbin, China
- Department of Breast Surgery, The Third Affiliated Hospital of Harbin Medical University, Harbin, China
- * E-mail: (DP); (WJ)
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Beekman L, Tohver T, Léguillette R. Comparison of Cytokine mRNA Expression in the Bronchoalveolar Lavage Fluid of Horses with Inflammatory Airway Disease and Bronchoalveolar Lavage Mastocytosis or Neutrophilia Using REST Software Analysis. J Vet Intern Med 2011; 26:153-61. [DOI: 10.1111/j.1939-1676.2011.00847.x] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2011] [Revised: 08/01/2011] [Accepted: 10/25/2011] [Indexed: 12/01/2022] Open
Affiliation(s)
- L. Beekman
- From the Department of Veterinary Clinical and Diagnostic Sciences; Faculty of Veterinary Medicine; University of Calgary; Calgary; Alberta,; Canada
| | - T. Tohver
- From the Department of Veterinary Clinical and Diagnostic Sciences; Faculty of Veterinary Medicine; University of Calgary; Calgary; Alberta,; Canada
| | - R. Léguillette
- From the Department of Veterinary Clinical and Diagnostic Sciences; Faculty of Veterinary Medicine; University of Calgary; Calgary; Alberta,; Canada
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Zhao H, Kang CI, Rouse MS, Patel R, Kita H, Juhn YJ. The Role of IL-17 in the Association between Pneumococcal Pneumonia and Allergic Sensitization. Int J Microbiol 2011; 2011:709509. [PMID: 22164165 PMCID: PMC3227511 DOI: 10.1155/2011/709509] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2011] [Accepted: 09/07/2011] [Indexed: 01/05/2023] Open
Abstract
Interleukin- (IL-) 17 is important in the development of asthma and host defense against pneumococci. We determined the role of IL-17 in the risk of pneumococcal pneumonia. We challenged mice intranasally with a bioluminescent Streptococcus pneumoniae strain after sensitization and challenge with ovalbumin (OVA). We measured the levels of cytokines, including IL-17 (pg/mL), in the lung homogenate in experimental mice with and without OVA sensitization/challenge, as well as those with and without pneumococcal pneumonia. IL-17 levels were significantly lower in OVA-sensitized/challenged mice (9.69 ± 1.49), compared to the control mice (20.92 ± 1.82, P < 0.001). In our overall analysis, including IL-4 and IL-17 levels and OVA sensitization/challenge, IL-4 levels (OR: 81.9, 95%CI: 4.3-1523 per increment of 1.0 pg/mL, P = 0.003) were more significant than IL-17 levels (OR: 1.1, 95%CI: 1.03-1.17 per increment of 1.0 pg/mL, P = 0.003) in determining the risk of pneumococcal pneumonia. IL-17 levels result in a much smaller impact on the risk for pneumococcal pneumonia, compared to IL-4 levels.
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Affiliation(s)
- Hongxia Zhao
- Division of Community Pediatric and Adolescent Medicine, Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, MN, USA
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