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1The compelling link between physical activity and the body's defense system显示文摘This review summarizes research discoveries within 4 areas of exercise immunology that have received the most attention from investigators :(1) acute and chronic effects of exercise on the immune system,(2) clinical benefits of the exercise—immune relationship,(3) nutritional influen?ces on the immune response to exercise, and(4) the effect of exercise on immunosenescence. These scientific discoveries can be organized into distinctive time periods: 1900-1979, which focused on exercise-induced changes in basic immune cell counts and function; 1980-1989, during which seminal papers were published with evidence that heavy exertion was associated with transient immune dysfunction, elevated inflammatory biomarkers,and increased risk of upper respiratory tract infections; 1990-2009, when additional focus areas were added to the field of exercise immunology including the interactive effect of nutrition, effects on the aging immune system, and inflammatory cytokines; and 2010 to the present, when technological advances in mass spectrometry allowed system biology approaches(i.e., metabolomics, proteomics, lipidomics, and microbiome characterization) to be applied to exercise immunology studies. The future of exercise irmmunology will take advantage of these technologies to provide new insights on the interactions between exercise, nutrition, and immune function, with application down to the person?alized level. Additionally, these methodologies will improve mechanistic understanding of how exercise-induced immune perturbations reduce the risk of common chronic diseases.David C.Nieman Laurel M.Wentz 2019Journal of Sport and Health Science2019,8,3:32
2Structure and function of interleukin-17 family cytokines显示文摘The recently identified interleukin-17(IL-17)cytokines family,which comprises six members in mammals(IL-17A–F),plays essential roles in the host immunity against infectious diseases and chronic inflammatory diseases.The three-dimensional structures containing IL-17A or IL-17F have become available and revealed the unique structural features of IL-17s as well as their receptors.Molecular modeling in this review shows that IL-17s may adopt a“cysteine knot”fold commonly seen in nerve growth factor(NGF)and other neurotrophins.Further modeling analysis unmasks a signature interaction feature of the IL-17F/IL-17RA complex,where a small loop of IL-17RA slots into the deep groove of the interface of IL-17F homodimer.This is quite different from the interaction between the best known four-helix cytokines and their cognate receptors.On the other hand,structure of IL-17A and its monoclonal antibody(CAT-2200)shows that,albeit that the antigenic epitope of IL-17A resides outside of the IL-17A homodimer interface,its physical proximity to the receptor binding groove may explain that antibody blockage would be achieved by interfering with the ligand-receptor interaction.This review is to summarize the advance in understanding the structure and function of IL-17 family cytokines,focusing mainly on IL-17A,IL-17F and IL-17E,in the hope of gaining better knowledge of immunotherapeutic strategies against various inflammatory diseases.Xiaoping Zhang Pornpimon Angkasekwinai Chen Dong Hong Tang 2011Protein & Cell2011,2,1:17
3Liver physiology and liver diseases in the elderly显示文摘The liver experiences various changes with aging that could affect clinical characteristics and outcomes in patients with liver diseases.Both liver volume and blood flow decrease significantly with age.These changes and decreased cytochrome P450 activity can affect drug metabolism,increasing susceptibility to drug-induced liver injury.Immune responses against pathogens or neoplastic cells are lower in the elderly,although these individuals may be predisposed to autoimmunity through impairment of dendritic cell maturation and reduction of regulatory T cells.These changes in immune functions could alter the pathogenesis of viral hepatitis and autoimmune liver diseases,as well as the development of hepatocellular carcinoma.Moreover,elderly patients have significantly decreased reserve functions of various organs,reducing their tolerability to treatments for liver diseases.Collectively,aged patients show various changes of the liver and other organs that could affect the clinical characteristics and management of liver diseases in these patients.Kazuto Tajiri Yukihiro Shimizu 2013World Journal of Gastroenterology2013,19,46:15
4Chimeric antigen receptor T cell targeting EGFRvIII for metastatic lung cancer therapy显示文摘Lung cancer is the most common incident cancer and the leading cause of cancer death. In recent years, the development of tumor immunotherapy especially chimeric antigen receptor T (CAR-T) cell has shown a promising future. Epidermal growth factor receptor variant III (EGFRvlll) is a tumor-specific mutation expressed in various types of tumors and has been detected in non-small cell lung cancer with a mutation rate of 10%. Thus, EGFRvIII is a potential antigen for targeted lung cancer therapy. In this study, CAR vectors were constructed and transfected into virus-packaging cells. Then, activated T cells were infected with retrovirus harvested from stable virus-producing single clone cell lines. CAR expression on the surfaces of the T cells was detected by flow cytometry and Western blot. The function of CAR-T targeting EGFRvIII was then evaluated. The EGFRvIII-CAR vector was successfully constructed and confirmed by DNA sequencing. A stable virus-producing cell line was produced from a single clone by limited dilution. The culture conditions for the cell line, including cell density, temperature, and culture medium were optimized. After infection with retrovirus, CAR was expressed on more than 90% of the T cells. The proliferation of CAR-T cells were induced by cytokine and specific antigen in vitro. More importantly, EGFRvIII-CART specifically and efficiently recognized and killed A549-EGFRvIII cells with an effector/target ratio of 10:1 by expressing and releasing cytokines, including perforin, granzyme B, IFN-γ, and TNF-α. The in vivo study indicated that the metastasis of A549-EGFRvIII cells in mice were inhibited by EGFRvIII-CART cells, and the survival of the mice was significantly prolonged with no serious side effects. EGFRvIII-CART showed significantly efficient antitumor activity against lung cancer cells expressing EGFRvlll in vivo and in vitro. Therefore, CAR-T targeting EGFRvIII is a potential therapeutic strategy in preventing recurrence and metastasis of lung cancer after surgery.Zhao Zhang Jun Jiang Xiaodong Wu Mengyao Zhang Dan Luo Renyu Zhang Shiyou Li Youwen He Huijie Bian Zhinan Chen 2019Frontiers of Medicine2019,13,1:11
5Pancreatic cancer stromal biology and therapy显示文摘Pancreatic cancer is one of the most lethal malignancies.Significant progresses have been made in understanding of pancreatic cancer pathogenesis,including appreciation of precursor lesions or premalignant pancreatic intraepithelial neoplasia(PanINs),description of sequential transformation from normal pancreatic tissue to invasive pancreatic cancer and identification of major genetic and epigenetic events and the biological impact of those events on malignant behavior.However,the currently used therapeutic strategies targeting tumor epithelial cells,which are potent in cell culture and animal models,have not been successful in the clinic.Presumably,therapeutic resistance of pancreatic cancer is at least in part due to its drastic desmoplasis,which is a defining hallmark for and circumstantially contributes to pancreatic cancer development and progression.Improved understanding of the dynamic interaction between cancer cells and the stroma is important to better understanding pancreatic cancer biology and to designing effective intervention strategies.This review focuses on the origination,evolution and disruption of stromal molecular and cellular components in pancreatic cancer,and their biological effects on pancreatic cancer pathogenesis.Dacheng Xie Keping Xie 2015Genes & Diseases2015,2,2:9
6Liver involvement in systemic infection显示文摘The liver is often involved in systemic infections,resulting in various types of abnormal liver function test results.In particular,hyperbilirubinemia in the range of 2-10 mg/dL is often seen in patients with sepsis,and several mechanisms for this phenomenon have been proposed.In this review,we summarize how the liver is involved in various systemic infections that are not considered to be primarily hepatotropic.In most patients with systemic infections,treatment for the invading microbes is enough to normalize the liver function tests.However,some patients may show severe liver injury or fulminant hepatic failure,requiring intensive treatment of the liver.Masami Minemura Kazuto Tajiri Yukihiro Shimizu 2014World Journal of Hepatology2014,6,9:9
7Immunology of tuberculosis显示文摘Various T cells and macrophages as well as cytokines are involved in the immunopathogenesis of tuberculosis(TB). A better understanding of immunology of TB can not only lead to the discovery of new immunodiagnostic tools, accelerate and facilitate the assessment of new therapeutic methods, but also find new treatment regimens. In this highlight topic we cover the latest developments in the role of T cells, macrophages, Natural killer(NK) cells, invariant NK T(iN KT) cells and γδ T cells with TB infection. Histologically, TB displays exudative inflammation, proliferative inflammation and productive inflammation depending on the time course. T cells first recognize antigen within the mycobacterially-infected lung, and then activate, differentiate, but the first T cell activation occurs in the draining lymph nodes of the lung. When protective T cells reach sufficient numbers, they can stop bacterial growth. Except for T cells, neutrophils also participate actively in defense against early-phase TB. NK cells are innate lymphocytes which are a first line of defense against mycobacterial infection. Human NK cells use the NKp46, NCRs and NKG2 D receptors to lyse Mycobacterium TB-infected monocytes and alveolar macrophages. NK cells produce not only interferon-γ, but also interleukin(IL)-22, which is induced by IL-15 and DAP-10. iN KT cells show different phenotypes and functions. Many iN KT cells are CD4+,few iN KT cells are CD8+, while an additional fraction of iN KT cells are negative for both CD4 and CD8. γδ T cells represent an early innate defense in antimycobacterial immunity. Studies done in humans and animal models have demonstrated complex patterns of γδ T cell immune responses during chronic TB. Human alveolar macrophages and monocytes can serve as antigen presentation cells for γδ T cells. Furthermore, the predominance of Vγ9Vδ2 T cells in TB has been confirmed.Qing Zhang Isamu Sugawara 2012World Journal of Experimental Medicine2012,2,4:8
8Cytokine-induced alterations of gastrointestinal motility in gastrointestinal disorders显示文摘Inflammation and immune activation in the gut are usually accompanied by alteration of gastrointestinal(GI) motility.In infection,changes in motor function have been linked to host defense by enhancing the expulsion of the infectious agents.In this review,we describe the evidence for inflammation and immune activation in GI infection,inflammatory bowel disease,ileus,achalasia,eosinophilic esophagitis,microscopic colitis,celiac disease,pseudo-obstruction and functional GI disorders. We also describe the possible mechanisms by which inflammation and immune activation in the gut affect GI motility.GI motility disorder is a broad spectrum disturbance of GI physiology.Although several systems including central nerves,enteric nerves,interstitial cells of Cajal and smooth muscles contribute to a coordinated regulation of GI motility,smooth muscle probably plays the most important role.Thus,we focus on the relationship between activation of cytokines induced by adaptive immune response and alteration of GI smooth muscle contractility.Accumulated evidence has shownthat Th1 and Th2 cytokines cause hypocontractility and hypercontractility of inflamed intestinal smooth muscle. Th1 cytokines downregulate CPI-17 and L-type Ca 2+ channels and upregulate regulators of G protein signaling 4,which contributes to hypocontractility of inflamed intestinal smooth muscle.Conversely,Th2 cytokines cause hypercontractilty via signal transducer and activator of transcription 6 or mitogen-activated protein kinase signaling pathways.Th1 and Th2 cytokines have opposing effects on intestinal smooth muscle contraction via 5-hydroxytryptamine signaling.Understanding the immunological basis of altered GI motor function could lead to new therapeutic strategies for GI functional and inflammatory disorders.Hirotada Akiho Eikichi Ihara Yasuaki Motomura Kazuhiko Nakamura 2011World Journal of Gastrointestinal Pathophysiology2011,2,5:8
9Specific function and modulation of teleost monocytes/macrophages: polarization and phagocytosis显示文摘Macrophages exist in most tissues and play a variety of functions in vertebrates.Teleost fish species are found in most aquatic environments throughout the world and are quite diverse for a group of vertebrate animals.Due to whole genome duplication and en vironme ntal adaptati on,teleost monocytes/macrophages possess a variety of different functions and modulations compared with those of mammals.A deeper understanding of teleost monocytes/macrophages in the immune system will not only help develop teleost-specific methods of disease prevention but will also help improve our understanding of the various immune mechanisms in mammals.In this review,we summarize the differences in polarizati on and phagocytosis of teleost and mammalian macrophages to improve our understanding of the various immune mechanisms in vertebrates.Xin-Jiang Lu Jiong Chen 2019Zoological Research2019,40,3:7
10Immune therapies in pancreatic ductal adenocarcinoma: Where are we now?显示文摘Pancreatic ductal adenocarcinoma(PDAC)is one of the deadliest cancers,mostly due to its resistance to treatment.Of these,checkpoint inhibitors(CPI)are inefficient when used as monotherapy,except in the case of a rare subset of tumors harboring microsatellite instability(<2%).This inefficacy mainly resides in the low immunogenicity and non-inflamed phenotype of PDAC.The abundant stroma generates a hypoxic microenvironment and drives the recruitment of immunosuppressive cells through cancerassociated-fibroblast activation and transforming growth factorβsecretion.Several strategies have recently been developed to overcome this immunosuppressive microenvironment.Combination therapies involving CPI aim at increasing tumor immunogenicity and promoting the recruitment and activation of effector T cells.Ongoing studies are therefore exploring the association of CPI with vaccines,oncolytic viruses,MEK inhibitors,cytokine inhibitors,and hypoxia-and stroma-targeting agents.Adoptive T-cell transfer is also under investigation.Moreover,translational studies on tumor tissue and blood,prior to and during treatment may lead to the identification of biomarkers with predictive value for both clinical outcome and response to immunotherapy.Marc Hilmi Laurent Bartholin Cindy Neuzillet 2018World Journal of Gastroenterology2018,24,20:6
11Fas counterattack in cholangiocarcinoma:a mechanism for immune evasion in human hilar cholangiocarcinomas显示文摘AIM: To investigate FasL expression in hilar cholangiocarcinoma tissues and cultured cholangiocarcinoma cells, and to assess its ability to induce apoptosis.METHODS: We studied the expression of FasL by human hilar cholangiocaroinomas tissues by immunohistochemistry, and the QBC939 cholangiocarcinomacell line by RT- PCR, immunohiatochemistry, and Western Blot. TUNEL and flow cytometry were used to detect apoptotic cells.RESJLTS: Prevalent expression of FasL was detected in 39resected hilar cholangiocarcinoma tissues. TUNEL staining disclosed a high level of cell death among lymphocytes infiltrating FasL positive areas of tumor. FasL mRNA and protein expressions in cholangiocarcinoma cells could induce Jurkat cells.CONCLUSION: Hilar cholangiocarcinomas may elude immunological surveillance by inducing, via Fas/FasL system, the apoptosis of activated lymphocytes.Zi-Yu Li Sheng-Quan Zou Department of General Surgery of Tongji Hospital,Wuhan,430030,Hubei Province,China 2001World Journal of Gastroenterology2001,7,6:6
12Interleukin-22 from bench to bedside:a promising drug for epithelial repair显示文摘Cellular and Molecular Immunology(CMI),the official journal of theChinese Society of Immunology,was established in 2004.CMI hasnow become one of the leading international journals in the fieldand publishes high-quality original articles and reviews.The veryfirst research article published in the inaugural issue of CMI wasfrom our group and described,for the first time,the protectiveeffect of interleukin-22(IL-22)on the epithelium in the liver.1Fascinatingly,14 years later,the first-in-human phase I clinicalstudy of human IL-22-Fc dimer(F-652)in healthy subjects is alsopublished in CMI.2 We are very excited to see these interestingstudies of IL-22 from bench to bedside published in CMI alongsideits strong growth as a journal over the last 14 years.Bin Gao Xiaogang Xiang 2019Cellular & Molecular Immunology2019,16,7:5
13Therapeutic potential of periodontal ligament stem cells显示文摘Inflammatory periodontal disease known as periodontitis is one of the most common conditions that affect human teeth and often leads to tooth loss.Due to the complexity of the periodontium,which is composed of several tissues,its regeneration and subsequent return to a homeostatic state is challenging with the therapies currently available.Cellular therapy is increasingly becoming an alternative in regenerative medicine/dentistry,especially therapies using mesenchymal stem cells,as they can be isolated from a myriad of tissues.Periodontal ligament stem cells(PDLSCs)are probably the most adequate to be used as a cell source with the aim of regenerating the periodontium.Biological insights have also highlighted PDLSCs as promising immunomodulator agents.In this review,we explore the state of knowledge regarding the properties of PDLSCs,as well as their therapeutic potential,describing current and future clinical applications based on tissue engineering techniques.Aline Queiroz Emmanuel Albuquerque-Souza Leticia Miquelitto Gasparoni Bruno Nunes de França Cibele Pelissari Marília Trierveiler Marinella Holzhausen 2021World Journal of Stem Cells2021,13,6:5
14Expression,purification and immunocharacteristics of recombination UreB protein of H.pylori显示文摘INTRODUCTIONHelicobacter pylori (H . pylori) is associated with the development of chronic gastritis ,peptic ulcer and gastric cancer and gastric MALT lymphoma[1-9],H .pylori has many antigens ,including urease ,heat shock protein and vacuolating cytotoxin and so on ,and urease is an important factor in the colinization of the gastric mucosa and suspected to cause damage to the gastric mucosa[10-14].At the same time ,urdase is also one of the important protective antigens .Chao Wu~1 Quan Ming Zou~1 Hong Guo~2 Xiao Peng Yuan~1 Wei Jun Zhang~1 Dong Shui Lu~1 Xu Hu Mao~1 ~1Department of Clinical Microbiology,Third Military Medical University,Chongqing 400038,China ~2Department of Gastroenterology,Xinqiao Hospital,Third Military Medical University,Chongqing 40003?,ChinaDr.Chao Wu graduated from Third Military Medical University as a postgraduate in 2000,now a lecturer,specialized in diagnosis,prevention and therapy of Helicobacter pylori infection,having 6 papers published. 2001World Journal of Gastroenterology2001,7,3:5
15Development of a humanized HLA-A30 transgenic mouse model显示文摘Background:There are remarkable genetic differences between animal major histocompatibility complex(MHC)systems and the human leukocyte antigen(HLA)system.HLA transgenic humanized mouse model systems offer a much better method to study the HLA-A-related principal mechanisms for vaccine development and HLA-Arestricted responses against infection in human.Methods:A recombinant gene encoding the chimeric HLA-A30 monochain was constructed.This HHD molecule contains the following:α1-α2 domains of HLA-A30,α3 and cytoplasmic domains of H-2D~b,linked at its N-terminus to the C-terminus of humanβ2m by a 15-amino-acid peptide linker.The recombinant gene encoding the chimeric HLA-A30 monochain cassette was introduced into bacterial artificial chromosome(BAC)CH502-67J3 containing the HLA-A01 gene locus by Red-mediated homologous recombination.Modified BAC CH502-67J3 was microinjected into the pronuclei of wild-type mouse oocytes.This humanized mouse model was further used to assess the immune responses against influenza A virus(H1N1)pdm09 clinically isolated from human patients.Immune cell population,cytokine production,and histopathology in the lung were analyzed.Results:We describe a novel humanβ2m-HLA-A30(α1α2)-H-2D~b(α3 transmembrane cytoplasmic)(HHD)monochain transgenic mouse strain,which contains the intact HLA-A01 gene locus including 49 kb 5’-UTR and 74 kb 3’-UTR of HLA-A01*01.Five transgenic lines integrated into the large genomic region of HLA-A gene locus were obtained,and the robust expression of exogenous transgene was detected in various tissues from A30-18#and A30-19#lines encompassing the intact flanking sequences.Flow cytometry revealed that the introduction of a large genomic region in HLA-A gene locus can influence the immune cell constitution in humanized mice.Pdm09 infection caused a similar immune response among HLA-A30 Tg humanized mice and wild-type mice,and induced the rapid increase of cytokines,including IFN-γ,TNF-α,and IL-6,in both HLA-A30 humanized Tg mice and wild-type mice.The expression of HLA-A30 transgene was dramatically promoted in tissues from A30-9#line at 3 days post-infection(dpi).Conclusions:We established a promising preclinical research animal model of HLA-A30 Tg humanized mouse,which could accelerate the identification of novel HLA-A30-restricted epitopes and vaccine development,and support the study of HLA-A-restricted responses against infection in humans.Meng-min Zhu Bo-wen Niu Ling-ling Liu Hua Yang Bo-yin Qin Xiu-hua Peng Li-xiang Chen Yang Liu Chao Wang Xiao-nan Ren Chun-hua Xu Xiao-hui Zhou Feng Li 2022Animal Models and Experimental Medicine2022,5,4:5
16Inflammatory processes in the liver: divergent roles in homeostasis and pathology显示文摘The hepatic immune system is designed to tolerate diverse harmless foreign moieties to maintain homeostasis in the healthy liver.Constant priming and regulation ensure that appropriate immune activation occurs when challenged by pathogens and tissue damage.Failure to accurately discriminate,regulate,or effectively resolve inflammation offsets this balance,jeopardizing overall tissue health resulting from an either overly tolerant or an overactive inflammatory response.Compelling scientific and clinical evidence links dysregulated hepatic immune and inflammatory responses upon sterile injury to several pathological conditions in the liver,particularly nonalcoholic steatohepatitis and ischemia-reperfusion injury.Murine and human studies have described interactions between diverse immune repertoires and nonhematopoietic cell populations in both physiological and pathological activities in the liver,although the molecular mechanisms driving these associations are not clearly understood.Here,we review the dynamic roles of inflammatory mediators in responses to sterile injury in the context of homeostasis and disease,the clinical implications of dysregulated hepatic immune activity and therapeutic developments to regulate liver-specific immunity.Ola Ahmed Mark W.Robinson Cliona O’Farrelly 2021Cellular & Molecular Immunology2021,18,6:5
17Innate and adaptive immune responses toward nanomedicines显示文摘Since the commercialization of the frst liposomes used for drug delivery,Doxil/Caelyx® and Myocet®,tremendous progress has been made in understanding interactions between nanomedicines and biological systems.Fundamental work at the interface of engineering and medicine has allowed nanomedicines to deliver therapeutic small molecules and nucleic acids more effciently.While nanomedicines are used in oncology for immunotherapy or to deliver combinations of cytotoxics,the clinical successes of gene silencing approaches like patisiran lipid complexes(Onpattro®)have paved the way for a variety of therapies beyond cancer.In parallel,the global severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)pandemic has highlighted the potential of mR NA vaccines to develop immunization strategies at unprecedented speed.To rationally design therapeutic and vaccines,chemists,materials scientists,and drug delivery experts need to better understand how nanotechnologies interact with the immune system.This review presents a comprehensive overview of the innate and adaptative immune systems and emphasizes the intricate mechanisms through which nanomedicines interact with these biological functions.Iara Maíra de Oliveira Viana Sabrina Roussel Joan Defrêne Eliana Martins Lima Frédéric Barabé Nicolas Bertrand 2021Acta Pharmaceutica Sinica B2021,11,4:5
18A Multi-Agent Immunology Model for Security Computer显示文摘This paper presents a computer immunology model for computer security, whose main components are defined as idea of Multi Agent. It introduces the natural immune system on the principle, discusses the idea and characteristics of Multi Agent. It gives a system model, and describes the structure and function of each agent. Also, the communication method between agents is described.Liang Yi wen, Li Huan, Kang Li shan, Dong Hong bin College of Computer Science, Wuhan University, Wuhan 430072, China 2001Wuhan University Journal of Natural Sciences2001,6,Z1:5
19Current research status of immunology in the genomic era显示文摘This review updates the current status of immunology research under the influence of genomics,both conceptually and technologically.It particularly highlights the advantages of employing the high-throughput and large-scale technology,the large genomic database,and bioinformatic power in the immunology research.The fast development in the fields of basic immunology,clinical immunology(tumor and infectious immunology) and vaccine designing is illustrated with respect to the successful usage of genomic strategy.We also speculate the future research directions of immunology in the era of genomics and post-genomics.LI HaoWen1,LI JinZhi1,ZHAO GuoPing2 & WANG Ying1,2 1 Shanghai Institute of Immunology,Institute of Medical Science,Shanghai Jiaotong University School of Medicine,Shanghai 200025,China 2 Shanghai-MOST Key Laboratory of Health and Disease Genomics,Chinese National Human Genome Center,Shanghai 201203,China 2009Science China(Life Sciences)2009,52,1:4
20IL-1 β genesis: the art of regulating the regulator显示文摘In a study published in Cellular and Molecular Immunology,Singh et al.demonstrated a new mechanism of monocyte IL-1βproduction.1 It was observed that TLR-4-and TLR-2-induced IRAK-ERK pathway cross-talk with p67phox-Nox-2 for reactive oxygen species(ROS)generation,thus regulating IL-1βtranscription and processing in monocytes.This study not only establishes a direct link between IRAK and ERK,but also demonstrates the regulation of p67phox-Nox-2 by ERK for ROS and IL-1βproduction(Fig.1).This study shows that the IRAK-ERK axis can regulate both IL-βtranscription and processing through ROS.Priya Gupta Manoj K.Barthwal 2018Cellular & Molecular Immunology2018,15,11:4
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