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Ali YBM, Saed MM, Abdel-Hakem NE, Hussein MAEA, El-Shahat M. Genetic Association of Interleukin 16 Gene Polymorphisms (rs11556218 & rs4778889) with Type 1 Diabetes in Egyptian Children: A Case-Control Study. Immunol Invest 2024:1-13. [PMID: 38771670 DOI: 10.1080/08820139.2024.2349034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
BACKGROUND Type 1 diabetes (T1D) is a serious chronic autoimmune condition. Even though the underlying reason for the onset of T1D is unknown, due to their effector and regulatory roles in immune responses, cytokines are essential in developing autoimmune disorders. Interleukin (IL)16 is an immunomodulatory cytokine implicated in several inflammatory and autoimmune diseases. OBJECTIVE This study was designed to examine the association of IL16 gene polymorphisms, rs11556218 T > G and rs4778889 T > C, with the risk of T1D in Egyptian children. METHODS Using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) assay, we analyzed rs11556218 T > G and rs4778889 T > C polymorphisms of the IL16 gene in 100 T1D subjects and 93 controls. RESULTS Rs11556218 T > G polymorphism of the IL16 gene was not associated with the risk of developing T1D. Analysis of IL16 gene rs4778889 T > C showed that the TT genotype had a considerably higher risk of T1D than the TC genotype [OR = 2.195 (1.205-3.999)]. In comparison to patients with the C allele [OR = 0.6914 (0.38-1.2569)], patients with the T allele [OR = 1.45 (0.7956-2.6296)] were notably more likely to have T1D. A significant decrease was found in the frequency of GT (OR = 0.43, p = .03) and TC (OR = 0.32, p = .011) haplotypes of IL16 gene rs11556218 T > G and rs4778889 T > C polymorphisms in T1D patients compared with controls. CONCLUSION IL16 gene rs4778889 T > C polymorphism might be associated with susceptibility to T1D. Egyptians with TT genotypes are more likely to develop T1D. However, GT and TC haplotypes of IL16 gene rs11556218 T > G and rs4778889 T > C polymorphisms highlight their protective role againstT1D disease.
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Affiliation(s)
- Yasser B M Ali
- Molecular Immunology Division, Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City, Egypt
| | - Mai M Saed
- Molecular Biochemistry Division, Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City, Egypt
| | - Nehal E Abdel-Hakem
- Molecular Immunology Division, Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City, Egypt
| | | | - Mohamed El-Shahat
- Molecular Biochemistry Division, Molecular Biology Department, Genetic Engineering and Biotechnology Research Institute (GEBRI), University of Sadat City, Sadat City, Egypt
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He W, Chao J, Gu A, Wang D. Evaluation of 6-PPD quinone toxicity on lung of male BALB/c mice by quantitative proteomics. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 922:171220. [PMID: 38412880 DOI: 10.1016/j.scitotenv.2024.171220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/28/2024] [Accepted: 02/21/2024] [Indexed: 02/29/2024]
Abstract
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine quinone (6-PPDQ), a transformation product of tyre-derived 6-PPD, has been frequently detected in different environments. After 6-PPDQ exposure, we here aimed to examine dynamic lung bioaccumulation, lung injury, and the underlying molecular basis in male BALB/c mice. After single injection at concentration of 4 mg/kg, 6-PPDQ remained in lung up to day 28, and higher level of 6-PPDQ bioaccumulation in lung was observed after repeated injection. Severe inflammation was observed in lung after both single and repeated 6-PPDQ injection as indicated by changes of inflammatory cytokines (TNF-α, IL-6 and IL-10). Sirius red staining and hydroxyproline content analysis indicated that repeated rather than single 6-PPDQ injection induced fibrosis in lung. Repeated 6-PPDQ injection also severely impaired lung function in mice by influencing chord compliance (Cchord) and enhanced pause (Penh). Proteomes analysis was further carried out to identify molecular targets of 6-PPDQ after repeated injection, which was confirmed by transcriptional expression analysis and immunohistochemistry staining. Alterations in Ripk1, Fadd, Il-6st, and Il-16 expressions were identified to be associated with inflammation induction of lung after repeated 6-PPDQ injection. Alteration in Smad2 expression was identified to be associated with fibrosis formation in lung of 6-PPDQ exposed mice. Therefore, long-term and repeated 6-PPDQ exposure potentially resulted in inflammation and fibrosis in lung by affecting certain molecular signals in mammals. Our results suggested several aspects of lung injury caused by 6-PPDQ and provide the underlying molecular basis. These observations implied the possible risks of long-term 6-PPDQ exposure to human health.
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Affiliation(s)
- Wenmiao He
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, China; School of Public Health, Nanjing Medical University, Nanjing, China
| | - Jie Chao
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, China
| | - Aihua Gu
- School of Public Health, Nanjing Medical University, Nanjing, China.
| | - Dayong Wang
- Key Laboratory of Environmental Medicine Engineering of Ministry of Education, Medical School, Southeast University, Nanjing, China.
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Yang SJ, Chang ST, Chang KC, Lin BW, Chang KY, Liu YW, Lai MD, Hung LY. Neutralizing IL-16 enhances the efficacy of targeting Aurora-A therapy in colorectal cancer with high lymphocyte infiltration through restoring anti-tumor immunity. Cell Death Dis 2024; 15:103. [PMID: 38291041 PMCID: PMC10828506 DOI: 10.1038/s41419-023-06381-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 11/30/2023] [Accepted: 12/06/2023] [Indexed: 02/01/2024]
Abstract
Cancer cells can evade immune elimination by activating immunosuppressive signaling pathways in the tumor microenvironment (TME). Targeting immunosuppressive signaling pathways to promote antitumor immunity has become an attractive strategy for cancer therapy. Aurora-A is a well-known oncoprotein that plays a critical role in tumor progression, and its inhibition is considered a promising strategy for treating cancers. However, targeting Aurora-A has not yet got a breakthrough in clinical trials. Recent reports have indicated that inhibition of oncoproteins may reduce antitumor immunity, but the role of tumor-intrinsic Aurora-A in regulating antitumor immunity remains unclear. In this study, we demonstrated that in tumors with high lymphocyte infiltration (hot tumors), higher tumor-intrinsic Aurora-A expression is associated with a better prognosis in CRC patients. Mechanically, tumor-intrinsic Aurora-A promotes the cytotoxic activity of CD8+ T cells in immune hot CRC via negatively regulating interleukin-16 (IL-16), and the upregulation of IL-16 may impair the therapeutic effect of Aurora-A inhibition. Consequently, combination treatment with IL-16 neutralization improves the therapeutic response to Aurora-A inhibitors in immune hot CRC tumors. Our study provides evidence that tumor-intrinsic Aurora-A contributes to anti-tumor immunity depending on the status of lymphocyte infiltration, highlighting the importance of considering this aspect in cancer therapy targeting Aurora-A. Importantly, our results suggest that combining Aurora-A inhibitors with IL-16-neutralizing antibodies may represent a novel and effective approach for cancer therapy, particularly in tumors with high levels of lymphocyte infiltration.
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Affiliation(s)
- Shiang-Jie Yang
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
| | - Sheng-Tsung Chang
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
- Department of Pathology, Chi-Mei Medical Center, Tainan, 71004, Taiwan, ROC
| | - Kung-Chao Chang
- Department of Pathology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
| | - Bo-Wen Lin
- Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
| | - Kwang-Yu Chang
- Department of Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC
- National Institute of Cancer Research, National Health Research Institutes, Tainan, 70456, Taiwan, ROC
| | - Yao-Wen Liu
- Department of Pathology, Kuo General Hospital, Tainan, 70054, Taiwan, ROC
| | - Ming-Derg Lai
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC.
| | - Liang-Yi Hung
- The Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC.
- Department of Biotechnology and Bioindustry Sciences, College of Bioscience and Biotechnology, National Cheng Kung University, Tainan, 70101, Taiwan, ROC.
- Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan, ROC.
- University Center for Bioscience and Biotechnology, National Cheng Kung University, Tainan, 70101, Taiwan, ROC.
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 80708, Taiwan, ROC.
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Qiao XR, Feng T, Zhang D, Zhi LL, Zhang JT, Liu XF, Pan Y, Xu JW, Cui WJ, Dong L. Luteolin alleviated neutrophilic asthma by inhibiting IL-36γ secretion-mediated MAPK pathways. PHARMACEUTICAL BIOLOGY 2023; 61:165-176. [PMID: 36604842 PMCID: PMC9828607 DOI: 10.1080/13880209.2022.2160770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Revised: 11/09/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
CONTEXT Luteolin can affect multiple biological functions, such as anti-inflammatory, antioxidant and immune enhancement processes. Luteolin can inhibit inflammation of T2-high asthma, but its role in neutrophilic asthma has been insufficently studied. OBJECTIVE This study determines the effect of luteolin on IL-36γ secretion-mediated MAPK pathway signalling in neutrophilic asthma. MATERIALS AND METHODS The asthma model was established by using ovalbumin/lipopolysaccharide (OVA/LPS). Female 6-8-week-old C57BL/6 mice were divided into control, asthma, luteolin (20 mg/kg) and asthma + luteolin (20 mg/kg) groups. To explore the mechanism of anti-inflammatory effects of luteolin in neutrophilic asthma, Beas-2B cells were treated with luteolin (20 µmol/L), LPS (100 ng/mL), recombinant human IL-36γ protein (rhIL-36γ; 100 ng/mL) or IL-36γ siRNA. RESULTS IL-36γ secretion and MAPK/IL-1β signalling were significantly increased in the asthma mouse model compared with the control (p < 0.05). However, the levels of IL-36γ secretion and MAPK/IL-1β signalling were reduced by luteolin (p < 0.05). In addition, luteolin inhibited IL-36γ and MAPK/IL-1β levels after LPS (100 ng/mL) stimulation of Beas-2B cells (p < 0.05). We found that in Beas-2B cells, luteolin inhibited activation of the MAPK pathway and IL-1β secretion following stimulation with rhIL-36γ (100 ng/mL; p < 0.05). Finally, IL-1β and phosphorylated MAPK levels were found to be lower in the IL-36γ siRNA + LPS (100 ng/mL) group than in the nonspecific control (NC) siRNA + LPS group (p < 0.05). DISCUSSION AND CONCLUSIONS Luteolin alleviated neutrophilic asthma by inhibiting IL-36γ secretion-mediated MAPK pathways. These findings provided a theoretical basis for the application of luteolin in the treatment of neutrophilic asthma.
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Affiliation(s)
- Xin-rui Qiao
- Department of Respiratory, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Tao Feng
- Department of Respiratory Medicine, Shengli Oilfield Central Hospital, Dongying, China
| | - Dong Zhang
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Li-li Zhi
- Department of Allergy, Shandong Provincial Qianfoshan Hospital, The First Affiliated Hospital of Shandong First Medical University, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Jin-tao Zhang
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Xiao-fei Liu
- Department of Respiratory, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Yun Pan
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Jia-wei Xu
- Department of Respiratory, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
| | - Wen-Jing Cui
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
| | - Liang Dong
- Department of Respiratory, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Shandong Institute of Respiratory Diseases, Jinan, China
- Department of Respiratory, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, China
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Qiao L, Cui X, Jia L, Gao Y, Wang W, Wei F, Zhang Z, Chen D, Ma Y, Zhang Y. Peripheral immune phenotypes and T cell receptor repertoire in pneumocystis pneumonia in HIV-1 infected patients. Clin Immunol 2022; 237:108985. [DOI: 10.1016/j.clim.2022.108985] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/16/2022] [Accepted: 03/22/2022] [Indexed: 11/24/2022]
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Li Z, Yang Q, Tang X, Chen Y, Wang S, Qi X, Zhang Y, Liu Z, Luo J, Liu H, Ba Y, Guo L, Wu B, Huang F, Cao G, Yin Z. Single-cell RNA-seq and chromatin accessibility profiling decipher the heterogeneity of mouse γδ T cells. Sci Bull (Beijing) 2022; 67:408-426. [PMID: 36546093 DOI: 10.1016/j.scib.2021.11.013] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/27/2021] [Accepted: 10/29/2021] [Indexed: 01/06/2023]
Abstract
The distinct characteristics of γδ T cells determine their vital roles in the formation of local immune responses and contribute to tissue homeostasis. However, the heterogeneity of γδ T cells across tissues remains unclear. By combining transcriptional and chromatin analyses with a truly unbiased fashion, we constructed a single-cell transcriptome and chromatin accessibility landscape of mouse γδ T cells in the lymph, spleen, and thymus. We also revealed the heterogeneity of γδ T1 and γδ T17 cells across these tissues and inferred their potential regulatory mechanisms. In the thymus, we reconstructed the developmental trajectory and gained further insights into the signature genes from the mature stage, intermediate stage, and immature stage of γδ T cells on the basis of single-cell RNA sequencing and single-cell assay for transposase-accessible chromatin sequencing data. Notably, a novel Gzma+ γδ T cell subset was identified with immature properties and only localized to the thymus. Finally, NR1D1, a circadian transcription factor (TF), was validated as a key and negative regulator of γδ T17 cell differentiation by performing a combined analysis of TF motif enrichment, regulon enrichment, and Nr1d1 knockout mice. In summary, our data represent a comprehensive mapping on the transcriptome and chromatin accessibility dynamics of mouse γδ T cells, providing a valuable resource and reference for future studies on γδ T cells.
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Affiliation(s)
- Zhenhua Li
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai 519000, China; The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Quanli Yang
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai 519000, China; The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Xin Tang
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China; The First Affiliated Hospital, Faculty of Medical Science, Jinan University, Guangzhou 510000, China
| | - Yiming Chen
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Shanshan Wang
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Xiaojie Qi
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Yawen Zhang
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Zonghua Liu
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China
| | - Jing Luo
- The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China; The First Affiliated Hospital, Faculty of Medical Science, Jinan University, Guangzhou 510000, China
| | - Hui Liu
- Emergency Department, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou 510000, China
| | - Yongbing Ba
- OE Biotech Co., Ltd., Shanghai 201114, China
| | - Lianxia Guo
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou 510700, China
| | - Baojian Wu
- Institute of Molecular Rhythm and Metabolism, Guangzhou University of Chinese Medicine, Guangzhou 510700, China
| | - Fang Huang
- Zhuhai People's Hospital (Zhuhai Hospital Affiliated with Jinan University), Jinan University, Zhuhai 519000, China
| | - Guangchao Cao
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai 519000, China; The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China.
| | - Zhinan Yin
- Guangdong Provincial Key Laboratory of Tumor Interventional Diagnosis and Treatment, Zhuhai Institute of Translational Medicine, Zhuhai People's Hospital Affiliated with Jinan University, Jinan University, Zhuhai 519000, China; The Biomedical Translational Research Institute, Faculty of Medical Science, Jinan University, Guangzhou 510632, China.
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7
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Wang S, Wuniqiemu T, Tang W, Teng F, Bian Q, Yi L, Qin J, Zhu X, Wei Y, Dong J. Luteolin inhibits autophagy in allergic asthma by activating PI3K/Akt/mTOR signaling and inhibiting Beclin-1-PI3KC3 complex. Int Immunopharmacol 2021; 94:107460. [PMID: 33621850 DOI: 10.1016/j.intimp.2021.107460] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 01/26/2021] [Accepted: 01/31/2021] [Indexed: 12/11/2022]
Abstract
Allergic asthma is a common chronic inflammatory disease characterized by airway inflammation, mucus hypersecretion and airway remodeling. Autophagy is a highly conserved intracellular degradation pathway in eukaryotic cells. There is growing evidence suggesting that dysregulation of autophagy is involved in the pathological process of asthma. Luteolin is a typical flavonoid compound with anti-inflammatory, anti-allergic and immune-enhancing functions. Previous studies have shown that luteolin can attenuate airway inflammation and hypersensitivity in asthma. However, whether luteolin can play a role in treating asthma by regulating autophagy remains unclear. The aim of the present study was to evaluate the therapeutic effect of luteolin on ovalbumin (OVA)-induced asthmatic mice, observe its effect on the level of autophagy in lung tissues, and further elucidate its underlying mechanism. The results showed that OVA-induced mice developed airway hyperresponsiveness, mucus over-production and collagen deposition. The number of inflammatory cells, levels of interleukin (IL)-4, IL-5 and IL-13 in bronchoalveolar lavage fluid (BALF) and OVA-specific IgE in serum were significantly increased. Furthermore, the infiltration of inflammatory cells was observed along with the activation of autophagy in lung tissues. Luteolin treatment significantly inhibited the OVA-induced inflammatory responses and the level of autophagy in lung tissues as well. Moreover, luteolin activated the PI3K/Akt/mTOR pathway and inhibited the Beclin-1-PI3KC3 protein complex in lung tissues of asthmatic mice. In conclusion, this study explored the regulatory mechanism of luteolin on autophagy in allergic asthma, providing biologic evidence for its clinical application.
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Affiliation(s)
- Shiyuan Wang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Tulake Wuniqiemu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Weifeng Tang
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Fangzhou Teng
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Qin Bian
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - La Yi
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Jingjing Qin
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Xueyi Zhu
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China
| | - Ying Wei
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China.
| | - Jingcheng Dong
- Department of Integrative Medicine, Huashan Hospital, Fudan University, Shanghai 200040, China; Institutes of Integrative Medicine, Fudan University, Shanghai 200433, China.
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Anti-Interleukin-16-Neutralizing Antibody Attenuates Cardiac Inflammation and Protects against Cardiac Injury in Doxorubicin-Treated Mice. Mediators Inflamm 2021; 2021:6611085. [PMID: 33958974 PMCID: PMC8075660 DOI: 10.1155/2021/6611085] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/04/2021] [Accepted: 04/05/2021] [Indexed: 12/11/2022] Open
Abstract
Background Interleukin-16 (IL-16) is an important inflammatory regulator and has been shown to have a powerful effect on the regulation of the inflammatory response. Cardiac inflammation has been reported to be closely related to doxorubicin- (DOX-) induced cardiac injury. In this study, the role of IL-16 in DOX-induced cardiac injury and the possible mechanisms were examined. Methods Cardiac IL-16 levels were first measured in DOX- or saline-treated mice. Additionally, mice were pretreated with the anti-IL-16-neutralizing antibody (nAb) or isotype IgG for 1 day and further administered DOX or saline for 5 days. Then, cardiac injury, cardiac M1 macrophage levels, and cardiomyocyte apoptosis were analyzed. The effects of the anti-IL-16 nAb on macrophage differentiation and cardiomyocyte apoptosis were also investigated in vitro. Results DOX administration increased IL-16 expression in cardiac macrophages compared with that of saline treatment. The anti-IL-16 nAb significantly decreased serum levels of lactate dehydrogenase (LDH), myocardial-bound creatine kinase (CK-MB), and cardiac troponin T (cTnT) and elevated cardiac function in DOX-induced mice. Treatment with the anti-IL-16 nAb also reduced p65 pathway activation, decreased M1 macrophage-related marker and cytokine expression, and protected against cardiomyocyte apoptosis in DOX-induced mice. In cell studies, the anti-IL-16 nAb also reduced DOX-induced M1 macrophage differentiation and alleviated apoptosis in cardiomyocytes cocultured with macrophages. Conclusions The anti-IL-16 nAb protects against DOX-induced cardiac injury by reducing cardiac inflammation, and IL-16 may be a promising target to prevent DOX-related cardiac injury.
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Anti-Interleukin-16 Neutralizing Antibody Treatment Alleviates Sepsis-Induced Cardiac Injury and Dysfunction via the Nuclear Factor Erythroid-2 Related Factor 2 Pathway in Mice. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6616422. [PMID: 33628366 PMCID: PMC7896865 DOI: 10.1155/2021/6616422] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 01/12/2021] [Accepted: 01/18/2021] [Indexed: 11/17/2022]
Abstract
Several interleukin (IL) members have been reported to participate in sepsis. In this study, the effects of IL-16 on sepsis-induced cardiac injury and dysfunction were examined, and the related mechanisms were detected. IL-16 expression in septic mice was first measured, and the results showed that both cardiac and serum IL-16 expression levels were increased in mice with sepsis induced by LPS or cecal ligation and puncture (CLP) compared with control mice. Then, IL-16 was neutralized, and the effects on lipopolysaccharide- (LPS-) induced cardiac injury were detected. The results showed that an anti-IL-16 neutralizing antibody (nAb) significantly reduced mortality and increased serum lactate dehydrogenase (LDH), creatine kinase myocardial bound (CK-MB), and cardiac troponin T (cTnT) levels while improving cardiac function in mice with LPS-induced sepsis. Neutralization of IL-16 also increased the activation of antioxidant pathways and the expression of antioxidant factors in septic mice while decreasing the activation of prooxidant pathways and the expression of prooxidants. Treatment with the anti-IL-16 nAb increased mitochondrial apoptosis-inducing factor (AIF) expression, decreased nuclear AIF and cleaved poly-ADP-ribose polymerase (PARP) expression, and decreased TUNEL-positive cell percentages in LPS-treated mice. Additionally, treatment with CPUY192018, the nuclear factor erythroid-2 related factor 2 (Nrf2) pathway, significantly increased mortality and reversed the above effects in mice treated with LPS and the anti-IL-16 nAb. Our results showed that the anti-IL-16 nAb regulates oxidative stress through the Nrf2 pathway and participates in the regulation of cardiac injury in septic mice. Neutralization of IL-16 may be a beneficial strategy for the prevention of cardiac injury and dysfunction in sepsis patients.
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Jia R, Wang X, Liu P, Liang X, Ge Y, Tian H, Chang H, Zhou H, Zeng M, Xu J. Mild Cytokine Elevation, Moderate CD4 + T Cell Response and Abundant Antibody Production in Children with COVID-19. Virol Sin 2020; 35:734-743. [PMID: 32699972 PMCID: PMC7373847 DOI: 10.1007/s12250-020-00265-8] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Accepted: 07/06/2020] [Indexed: 12/13/2022] Open
Abstract
Children with Coronavirus Disease 2019 (COVID-19) were reported to show milder symptoms and better prognosis than their adult counterparts, but the difference of immune response against SARS-CoV-2 between children and adults hasn’t been reported. Therefore we initiated this study to figure out the features of immune response in children with COVID-19. Sera and whole blood cells from 19 children with COVID-19 during different phases after disease onset were collected. The cytokine concentrations, SARS-CoV-2 S-RBD or N-specific antibodies and T cell immune responses were detected respectively. In children with COVID-19, only 3 of 12 cytokines were increased in acute sera, including interferon (IFN)-γ-induced protein 10 (IP10), interleukin (IL)-10 and IL-16. We observed an increase in T helper (Th)-2 cells and a suppression in regulatory T cells (Treg) in patients during acute phase, but no significant response was found in the IFN-γ-producing or tumor necrosis factor (TNF)-α-producing CD8+ T cells in patients. S-RBD and N IgM showed an early induction, while S-RBD and N IgG were prominently induced later in convalescent phase. Potent S-RBD IgA response was observed but N IgA seemed to be inconspicuous. Children with COVID-19 displayed an immunophenotype that is less inflammatory than adults, including unremarkable cytokine elevation, moderate CD4+ T cell response and inactive CD8+ T cell response, but their humoral immunity against SARS-CoV-2 were as strong as adults. Our finding presented immunological characteristics of children with COVID-19 and might give some clues as to why children develop less severe disease than adults.
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Affiliation(s)
- Ran Jia
- Department of Clinical Laboratory, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Xiangshi Wang
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Pengcheng Liu
- Department of Clinical Laboratory, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Xiaozhen Liang
- Key Laboratory of Molecular Virology & Immunology, Institut Pasteur of Shanghai, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031, China
| | - Yanling Ge
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - He Tian
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Hailing Chang
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Hao Zhou
- Shanghai Kehua Bio-Engineering Co., Ltd., Shanghai 200233, China
| | - Mei Zeng
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China
| | - Jin Xu
- Department of Clinical Laboratory, Children's Hospital of Fudan University, Shanghai, 201102, China.
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