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Eosinophils promote CD8+ T cell memory generation to potentiate anti-bacterial immunity

Signal Transduction and Targeted Therapy 2024年第3期9卷 1230-1243页

作者： Jun Zhou Jiaqi Liu Bingjing Wang Nan Li Juan Liu Yanmei Han Xuetao Cao institute of immunology Zhejiang University School of MedicineHangzhou 310058China National Key Laboratory of Immunity and Inflammation Institute of ImmunologyNaval Medical UniversityShanghai 200433China Department of immunology Center for ImmunotherapyInstitute of Basic Medical SciencesPeking Union Medical CollegeChinese Academy of Medical SciencesBeijing 100005China institute of immunology College of Life SciencesNankai UniversityTianjin 300071China

Memory CD8+T cell generation is crucial for pathogen elimination and effective vaccination against *** cellular and molecular circuitry that underlies the generation of memory CD8+T cells remains *** can modulate inflammatory allergic responses and interact with lymphocytes to regulate their functions in immune *** we report that eosinophils are required for the generation of memory CD8+T cells by inhibiting CD8+T cell ***-deficient mice display significantly impaired memory CD8+T cell response and weakened resistance against Listeria monocytogenes(L.m.)***,eosinophils secrete interleukin-4(IL-4)to inhibit JNK/Caspase-3 dependent apoptosis of CD8+T cells upon *** in ***,active eosinophils are recruited into the spleen and secrete more IL-4 to suppress CD8+T cell apoptosis during early stage of *** in *** transfer of wild-type(WT)eosinophils but not IL-4-deficient eosinophils into eosinophil-deficient mice could rescue the impaired CD8+T cell memory ***,our findings suggest that eosinophil-derived IL-4 promotes the generation of CD8+T cell memory and enhances immune defense against *** study reveals a new adjuvant role of eosinophils in memory T cell generation and provides clues for enhancing the vaccine potency via targeting eosinophils and related cytokines.

关键词： impaired immunity spleen

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Novel insights into regulation of butyrophilin molecules:critical components of cancer immunosurveillance by yo T cells

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Cellular & Molecular immunology 2024年第4期21卷 409-411页

作者： Dieter Kabelitz institute of immunology University of KielKielGermany

Members of the butyrophilin(BTN)family of transmembrane molecules play an important role in the activation of humanγδT *** recent years,it has been discovered that BTN3A1 and BTN2A1 are indispensable in this process,but other members like BTN3A2 and BTN3A3 are also *** far,very little is known about the transcriptional and post-translational regulation of BTN expression.

关键词： expression. insight critical

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Virus-like nanoparticle vaccines for inducing long-lasting immunity against infectious diseases

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National Science Review 2024年第4期11卷 13-15页

作者： Yi-Nan Zhang Sarah Auclair Jiang Zhu Department of Integrative Structural and Computational Biology The Scripps Research Institute Department of immunology and Microbiology The Scripps Research Institute

Prophylactic vaccines that can generate long-lasting protective immune responses are needed for many infectious diseases. Efficient vaccination requires vaccine antigens to be retained and presented to B cells in lymp...

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Methyltransferase-like 3(METTL3)inhibition potentiates anti-tumor immunity:a novel strategy for improving anti-PD1 therapy

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Signal Transduction and Targeted Therapy 2024年第1期9卷 10-11页

作者： Anna Brichkina Roman Suezov Magdalena Huber institute of Systems immunology Member of the German Center for Lung Research(DZL)Philipps University of Marburg35043 MarburgGermany

In a recent article published in Cancer Discovery,Guirguis et *** that enzymatic inhibitors of the m6 A methyltransferase METTL3 induced a formation of immunostimulatory doublestranded mRNAs(dsRNAs)in cancer cells,which triggered a profound tumor-cell-intrinsic interferon response leading to an enhanced antigen presentation and thereby increased killing of tumor cells by cytotoxic CD8+*** inhibition of METTL3 synergized with anti-PD1 immunotherapy,highlighting its potential for improving cancer treatment.

关键词： PD1 immunity

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Nutritional competition within tumor microenvironment dictates anti-tumor immunity

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National Science Review 2024年第2期11卷 98-100页

作者： Yankang Fei Xuetao Cao Juan Liu National Key Laboratory of Immunity and Inflammation Institute of Immunology Naval Medical University Department of immunology Chinese Academy of Medical Sciences institute of immunology College of Life Sciences Nankai University

The crosstalk between metabolism and immunity has emerged as an essential regulator of tumor immune escape, and targeting immunometabolic pathways holds great potential for cancer immunotherapy [1]. Abnormal metabolic...

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Identification of gene classifier and modules associated with SARS-CoV-2 ARI in nasal swab

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Genes & Diseases 2024年第1期11卷 38-41页

作者： Pandikannan Krishnamoorthy Athira S.Raj Himanshu Kumar Department of Biological Sciences Laboratory of Immunology and Infectious Disease BiologyIndian Institute of Science Education and Research(llSER)BhopalBhopalMP 462066India Laboratory of Host Defense WPl ImmunologyFrontier ResearchCentreOsakaUniversityOsaka 5650871Japan

During a sudden viral pandemic,where the pathogenesis and nature of the infection are unclear,early and accurate identification of the patients infected with the pandemiccausing pathogen is crucial to prevent excess *** the coronavirus disease 2019(COvID-19)pandemic,early diagnosis of severe acute respiratory syndrome virus-2(SARS-CoV-2)is limited by the incidence of the symptoms that are shared with acute respiratory illnesses(ARl)caused by other pathogens.

关键词： acute diagnosis respiratory

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The RNA m^(6)A demethylase ALKBH5 drives emergency granulopoiesis and neutrophil mobilization by upregulating G-CSFR expression

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Cellular & Molecular immunology 2024年第1期21卷 6-18页

作者： Yang Liu Renjie Song Zhike Lu Lu Zhao Xinyi Zhan Yini Li Xuetao Cao Department of immunology Center for ImmunotherapyInstitute of Basic Medical SciencesPeking Union Medical CollegeChinese Academy of Medical SciencesBeijingChina Suzhou institute of Systems Medicine Chinese Academy of Medical SciencesSuzhouChina Frontier Research Center for Cell Response Institute of ImmunologyCollege of Life SciencesNankai UniversityTianjinChina School of Life Sciences Westlake UniversityHangzhouChina

Emergency granulopoiesis and neutrophil mobilization that can be triggered by granulocyte colony-stimulating factor(G-CSF)through its receptor G-CSFR are essential for antibacterial innate ***,the epigenetic modifiers crucial for intrinsically regulating G-CSFR expression and the antibacterial response of neutrophils remain largely unclear.N6-methyladenosine(m^(6)A)RNA modification and the related demethylase alkB homolog 5(ALKBH5)are key epigenetic regulators of immunity and inflammation,but their roles in neutrophil production and mobilization are still *** used cecal ligation and puncture(CLP)-induced polymicrobial sepsis to model systemic bacterial infection,and we report that ALKBH5 is required for emergency granulopoiesis and neutrophil ***5 depletion significantly impaired the production of immature neutrophils in the bone marrow of septic *** addition,Alkbh5-deficient septic mice exhibited higher retention of mature neutrophils in the bone marrow and defective neutrophil release into the circulation,which led to fewer neutrophils at the infection site than in their wild-type *** bacterial infection,ALKBH5 imprinted production-and mobilization-promoting transcriptome signatures in both mouse and human ***,ALKBH5 erased m^(6)A methylation on the CSF3R mRNA to increase the mRNA stability and protein expression of G-CSFR,consequently upregulating cell surface G-CSFR expression and downstream STAT3 signaling in *** RIP-qPCR results confirmed the direct binding of ALKBH5 to the CSF3R mRNA,and the binding strength declined upon bacterial infection,accounting for the decrease in G-CSFR expression on bacteria-infected *** these results collectively,we define a new role of ALKBH5 in intrinsically driving neutrophil production and mobilization through m^(6)A demethylation-dependent posttranscriptional regulation,indicating that m^(6)A RNA modification in neutrop

关键词： Emergency granulopoiesis Neutrophil mobilization ALKBH5 m^(6)A RNA modification G-CSF receptor

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Not to be and how not to be:the questions of Tregs controlled by RIPK1

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Cellular & Molecular immunology 2024年第2期21卷 205-206页

作者： Zhengcai Peng Huiyuan Zhang Hongbo Hu Center for immunology and Hematology Department of Biotherapy and Cancer Center and State Key Laboratory of BiotherapyWest China HospitalSichuan UniversityChengdu610041China Chongqing International institute for immunology Chongqing401338China

Millions of cells undergo daily cell death,a process essential for maintaining physiological homeostasis and *** forms of cell death,such as apoptosis,necroptosis,ferroptosis and pyroptosis,have been extensively studied for their distinct biological functions[1,2].Generally,programmed cell death,like apoptosis,is considered physiological and results in little to no inflammatory response.

关键词： death homeostasis pathogenesis

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SARS-CoV-2 and innate immunity:the good,the bad,and the"goldilocks"

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Cellular & Molecular immunology 2024年第2期21卷 171-183页

作者： Benjamin L.Sievers Mark T.K.Cheng Kata Csiba Bo Meng Ravindra K.Gupta Department of Medicine University of CambridgeCambridgeUK Cambridge institute of Therapeutic immunology&Infectious Disease(CITID) Department of MedicineUniversity of CambridgeCambridgeUk

An ancient conflict between hosts and pathogens has driven the innate and adaptive arms of *** about this interplay can not only help us identify biological mechanisms but also reveal pathogen vulnerabilities that can be leveraged *** humoral response to SARS-CoV-2 infection has been the focus of intense research,and the role of the innate immune system has received significantly less ***,we review current knowledge of the innate immune response to SARS-CoV-2 infection and the various means SARS-CoV-2 employs to evade innate defense *** also consider the role of innate immunity in SARS-CoV-2 vaccines and in the phenomenon of long COVID.

关键词： SARS-CoV-2 Innate immune response Interferon Cytokines Inflammation Antiviral targets

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New insights into the role of the immune inhibitory receptor VSTM1 in autoimmune disease

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Cellular & Molecular immunology 2024年第1期21卷 95-96页

作者： Najun Miaol Jing Wang Center for Immune-related Diseases at Shanghai institute of immunology Rujin HospitalShanghai Jiao Tong University School of MedicineShanghaiChina

Immune inhibitory receptors(IRs)are germline-encoded transmembrane receptors that function as negative regulators of immune cells and dampen the cellular response to keep the immune system in balance^([1]).There are more than 300 potential immune IRs encoded in the human genome^([2]).The most studied IRs in cancer immunity are programmed cell death protein 1,cytotoxic T lymphocyte protein 4 in T cells,and killer cell Ig-like IRs on NK cells^([3]).

关键词： immunity immune autoimmune

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