Epstein-Barr virus transactivates the human endogenous retrovirus HERV-K18 that encodes a superantigen.

abstract：:The intestinal microbiota shapes and directs immune development locally and systemically, but little is known about whether commensal microbes in the stomach can impact their immunological microenvironment. Here, we report that group 2 innate lymphoid cells (ILC2s) were the predominant ILC subset in the stomach and sh...

journal_title：Immunity

authors： Satoh-Takayama N,Kato T,Motomura Y,Kageyama T,Taguchi-Atarashi N,Kinoshita-Daitoku R,Kuroda E,Di Santo JP,Mimuro H,Moro K,Ohno H

更新日期：2020-04-14 00:00:00

abstract：:Mutant RAS is a major oncoprotein in human cancer and PD-L1 is a key driver of cancer immune evasion. In this issue of Immunity, Coelho et al. (2017) demonstrate that oncogenic RAS signaling promotes tumor immune escape by stabilizing PD-L1 mRNA. ...

journal_title：Immunity

authors： Glodde N,Hölzel M

更新日期：2017-12-19 00:00:00

abstract：:Glycolysis is linked to the rapid response of memory CD8+ T cells, but the molecular and subcellular structural elements enabling enhanced glucose metabolism in nascent activated memory CD8+ T cells are unknown. We found that rapid activation of protein kinase B (PKB or AKT) by mammalian target of rapamycin complex 2 ...

journal_title：Immunity

authors： Bantug GR,Fischer M,Grählert J,Balmer ML,Unterstab G,Develioglu L,Steiner R,Zhang L,Costa ASH,Gubser PM,Burgener AV,Sauder U,Löliger J,Belle R,Dimeloe S,Lötscher J,Jauch A,Recher M,Hönger G,Hall MN,Romero P,Frez

更新日期：2018-03-20 00:00:00

abstract：:CD4+ T helper (Th) differentiation is regulated by diverse inputs, including the vitamin A metabolite retinoic acid (RA). RA acts through its receptor RARα to repress transcription of inflammatory cytokines, but is also essential for Th-mediated immunity, indicating complex effects of RA on Th specification and the ou...

journal_title：Immunity

authors： Schwartz DM,Farley TK,Richoz N,Yao C,Shih HY,Petermann F,Zhang Y,Sun HW,Hayes E,Mikami Y,Jiang K,Davis FP,Kanno Y,Milner JD,Siegel R,Laurence A,Meylan F,O'Shea JJ

更新日期：2019-01-15 00:00:00

abstract：:Neutrophil accumulation is a hallmark of immune complex-mediated inflammatory disorders. Current models of neutrophil recruitment envision the capture of circulating neutrophils by activated endothelial cells. We now demonstrate that immobilized immune complexes alone support the rapid attachment of neutrophils, under...

journal_title：Immunity

authors： Coxon A,Cullere X,Knight S,Sethi S,Wakelin MW,Stavrakis G,Luscinskas FW,Mayadas TN

更新日期：2001-06-01 00:00:00

abstract：:Tristetraprolin (TTP) is a widely expressed potential transcription factor that contains two unusual CCCH zinc fingers and is encoded by the immediate-early response gene, Zfp-36. Mice made deficient in TTP by gene targeting appeared normal at birth, but soon manifested marked medullary and extramedullary myeloid hype...

journal_title：Immunity

authors： Taylor GA,Carballo E,Lee DM,Lai WS,Thompson MJ,Patel DD,Schenkman DI,Gilkeson GS,Broxmeyer HE,Haynes BF,Blackshear PJ

更新日期：1996-05-01 00:00:00

abstract：:Uric acid (UA) crystals are a potent stimulator of inflammation, but how they activate immune cells is not known. In this issue of Immunity, Ng et al. (2008) provide evidence suggesting that UA activates the Syk kinase via membrane cholesterol. ...

journal_title：Immunity

authors： DeFranco AL

更新日期：2008-11-14 00:00:00

abstract：:Interleukin 9 (IL-9) is a pleiotropic cytokine that can regulate autoimmune responses by enhancing regulatory CD4(+)FoxP3(+) T regulatory (Treg) cell survival and T helper 17 (Th17) cell proliferation. Here, we analyzed the costimulatory requirements for the induction of Th9 cells, and demonstrated that Notch pathway ...

journal_title：Immunity

authors： Elyaman W,Bassil R,Bradshaw EM,Orent W,Lahoud Y,Zhu B,Radtke F,Yagita H,Khoury SJ

更新日期：2012-04-20 00:00:00

abstract：:To determine the site and mechanism of suppression by regulatory T (Treg) cells, we investigated their migration and function in an islet allograft model. Treg cells first migrated from blood to the inflamed allograft where they were essential for the suppression of alloimmunity. This process was dependent on the chem...

journal_title：Immunity

authors： Zhang N,Schröppel B,Lal G,Jakubzick C,Mao X,Chen D,Yin N,Jessberger R,Ochando JC,Ding Y,Bromberg JS

更新日期：2009-03-20 00:00:00

abstract：:By virtue of its ability to couple the BCR to an inhibitory pathway, FcgammaRIIB can potentially determine the fate of B cells upon IgG immune complex engagement. We now provide evidence for FcgammaRIIB as a component of a peripheral tolerance pathway with the observation that RIIB-/- mice develop autoantibodies and a...

journal_title：Immunity

authors： Bolland S,Ravetch JV

更新日期：2000-08-01 00:00:00

abstract：:Phosphatidylinositol 3' OH kinase (PI3K) signaling and FOXO transcription factors play opposing roles at several B cell developmental stages. We show here abundant nuclear FOXO1 expression in the proliferative compartment of the germinal center (GC), its dark zone (DZ), and PI3K activity, downregulating FOXO1, in the ...

journal_title：Immunity

authors： Sander S,Chu VT,Yasuda T,Franklin A,Graf R,Calado DP,Li S,Imami K,Selbach M,Di Virgilio M,Bullinger L,Rajewsky K

更新日期：2015-12-15 00:00:00

abstract：:How antigen valency affects B cells in vivo during immune responses is not well understood. Here, using HIV immunogens with defined valencies ranging from 1 to 60, we investigated the role of antigen valency during different phases of B cell responses in vivo. Highly multimerized immunogens preferentially rapidly acti...

journal_title：Immunity

authors： Kato Y,Abbott RK,Freeman BL,Haupt S,Groschel B,Silva M,Menis S,Irvine DJ,Schief WR,Crotty S

更新日期：2020-09-15 00:00:00

abstract：:The classical model of hematopoiesis established in the mouse postulates that lymphoid cells originate from a founder population of common lymphoid progenitors. Here, using a modeling approach in humanized mice, we showed that human lymphoid development stemmed from distinct populations of CD127- and CD127+ early lymp...

journal_title：Immunity

authors： Alhaj Hussen K,Vu Manh TP,Guimiot F,Nelson E,Chabaane E,Delord M,Barbier M,Berthault C,Dulphy N,Alberdi AJ,Burlen-Defranoux O,Socié G,Bories JC,Larghero J,Vanneaux V,Verhoeyen E,Wirth T,Dalod M,Gluckman JC,Cumano A

更新日期：2017-10-17 00:00:00

abstract：:CD4⁺ T cell differentiation is regulated by specialized antigen-presenting cells. Dendritic cells (DCs) produce cytokines that promote naive CD4⁺ T cell differentiation into T helper 1 (Th1), Th17, and inducible T regulatory (iTreg) cells. However, the initiation of Th2 cell responses remains poorly understood, althou...

journal_title：Immunity

authors： Gao Y,Nish SA,Jiang R,Hou L,Licona-Limón P,Weinstein JS,Zhao H,Medzhitov R

更新日期：2013-10-17 00:00:00

abstract：:Lipopolysaccharide binding protein (LBP) has a well-established role in LPS-induced immune responses. Here, we report that LBP also plays an essential role in the innate immune response to Gram-positive pneumococci, specifically to their major inflammatory component, pneumococcal cell wall (PCW). LBP was present in th...

journal_title：Immunity

authors： Weber JR,Freyer D,Alexander C,Schröder NW,Reiss A,Küster C,Pfeil D,Tuomanen EI,Schumann RR

更新日期：2003-08-01 00:00:00

abstract：:Several experimental evidences suggested that beta1 integrin-mediated adhesion of hematopoietic stem cells (HSC) is important for their function in the bone marrow (BM). Using induced deletion of the beta1 integrin gene restricted to the hematopoietic system, we show that beta1 integrin is not essential for HSC retent...

journal_title：Immunity

authors： Brakebusch C,Fillatreau S,Potocnik AJ,Bungartz G,Wilhelm P,Svensson M,Kearney P,Körner H,Gray D,Fässler R

更新日期：2002-03-01 00:00:00

abstract：:The World Health Organization has declared SARS-CoV-2 virus outbreak a worldwide pandemic. However, there is very limited understanding on the immune responses, especially adaptive immune responses to SARS-CoV-2 infection. Here, we collected blood from COVID-19 patients who have recently become virus-free, and therefo...

journal_title：Immunity

authors： Ni L,Ye F,Cheng ML,Feng Y,Deng YQ,Zhao H,Wei P,Ge J,Gou M,Li X,Sun L,Cao T,Wang P,Zhou C,Zhang R,Liang P,Guo H,Wang X,Qin CF,Chen F,Dong C

更新日期：2020-06-16 00:00:00

abstract：:Tissue-resident mast cells are associated with many inflammatory and physiological processes. Although mast cells arise from the yolk sac, the exact ontogeny of adult mast cells remains unclear. Here we have investigated the hematopoietic origin of mast cells using fate-mapping systems. We have shown that early erythr...

journal_title：Immunity

authors： Li Z,Liu S,Xu J,Zhang X,Han D,Liu J,Xia M,Yi L,Shen Q,Xu S,Lu L,Cao X

更新日期：2018-10-16 00:00:00

abstract：:Conserved molecular patterns derived from pathogenic microorganisms prime antigen-presenting dendritic cells (DC) to induce adaptive T cell responses. In contrast, virus-infected or tumor cells that express low levels of major histocompatibility complex (MHC) class I activate natural killer (NK) cells for direct killi...

journal_title：Immunity

authors： Mocikat R,Braumüller H,Gumy A,Egeter O,Ziegler H,Reusch U,Bubeck A,Louis J,Mailhammer R,Riethmüller G,Koszinowski U,Röcken M

更新日期：2003-10-01 00:00:00

abstract：:In T cell-dependent immune responses, high-affinity B cells are selected and differentiate into memory cells; however, the mechanism behind this process remains largely unknown. Here, we report that the selection of high-affinity B cells within germinal centers (GCs) is impaired in Fas-deficient lpr mice in the primar...

journal_title：Immunity

authors： Takahashi Y,Ohta H,Takemori T

更新日期：2001-02-01 00:00:00

abstract：:CD1d-restricted natural killer T cells (NKT cells) possess a wide range of effector and regulatory activities that are related to their ability to secrete both T helper 1 (Th1) cell- and Th2 cell-type cytokines. We analyzed presentation of NKT cell activating alpha galactosylceramide (alphaGalCer) analogs that give pr...

journal_title：Immunity

authors： Im JS,Arora P,Bricard G,Molano A,Venkataswamy MM,Baine I,Jerud ES,Goldberg MF,Baena A,Yu KO,Ndonye RM,Howell AR,Yuan W,Cresswell P,Chang YT,Illarionov PA,Besra GS,Porcelli SA

更新日期：2009-06-19 00:00:00

abstract：:Studies of T cell anergy in vitro have led to the widely accepted view that anergy is induced by T cell antigen recognition without costimulation. We show that the induction of T cell anergy in vivo is due to an abortive T cell response that requires recognition of B7 molecules, since blocking B7 maintains T cells in ...

journal_title：Immunity

authors： Perez VL,Van Parijs L,Biuckians A,Zheng XX,Strom TB,Abbas AK

更新日期：1997-04-01 00:00:00

abstract：:Tissue macrophages arise during embryogenesis from yolk-sac (YS) progenitors that give rise to primitive YS macrophages. Until recently, it has been impossible to isolate or derive sufficient numbers of YS-derived macrophages for further study, but data now suggest that induced pluripotent stem cells (iPSCs) can be dr...

journal_title：Immunity

authors： Takata K,Kozaki T,Lee CZW,Thion MS,Otsuka M,Lim S,Utami KH,Fidan K,Park DS,Malleret B,Chakarov S,See P,Low D,Low G,Garcia-Miralles M,Zeng R,Zhang J,Goh CC,Gul A,Hubert S,Lee B,Chen J,Low I,Shadan NB,Lum J

更新日期：2017-07-18 00:00:00

abstract：:B7-0 or B7-2 (CD86) is a T cell costimulatory molecule that binds the same receptors (CD28 and CTLA-4) as B7-1 (CD80), but shares with it only approximately 25% sequence identity and is expressed earlier during an immune response. Here we show that human CD86 maintains similar (within approximately 2- to 3-fold) overa...

journal_title：Immunity

authors： Linsley PS,Greene JL,Brady W,Bajorath J,Ledbetter JA,Peach R

更新日期：1994-12-01 00:00:00

abstract：:The nucleotide-binding domain and leucine-rich-repeat-containing (NLR) proteins regulate innate immunity. Although the positive regulatory impact of NLRs is clear, their inhibitory roles are not well defined. We showed that Nlrx1(-/-) mice exhibited increased expression of antiviral signaling molecules IFN-β, STAT2, O...

journal_title：Immunity

authors： Allen IC,Moore CB,Schneider M,Lei Y,Davis BK,Scull MA,Gris D,Roney KE,Zimmermann AG,Bowzard JB,Ranjan P,Monroe KM,Pickles RJ,Sambhara S,Ting JP

更新日期：2011-06-24 00:00:00

abstract：:Latent and activated forms of Stat1 and Stat6 have been expressed and purified, enabling biochemical experiments relating to their functional activities. Stat1 bound to a phosphotyrosine peptide derived from the IFN gamma receptor with a KD of 50 nM, whereas Stat6 bound to an IL-4 receptor peptide with a KD of 300 nM....

journal_title：Immunity

authors： Schindler U,Wu P,Rothe M,Brasseur M,McKnight SL

更新日期：1995-06-01 00:00:00

abstract：:Blood, lymphoid tissues, and placenta contain diverse subpopulations of natural killer (NK) cells that possess distinct immune functions. Recent studies have shown that human and mouse gut-associated lymphoid tissues harbor a unique NK cell subset that specializes in production of interleukin (IL)-22. This cytokine pl...

journal_title：Immunity

authors： Colonna M

更新日期：2009-07-17 00:00:00

abstract：:As humans age, their T cell repertoire becomes dominated by cells exhibiting "memory" characteristics. In this issue of Immunity, Su et al. (2013) demonstrate that a large percentage of virus-specific CD4(+) T cells also exhibit a memory phenotype in unexposed adults. ...

journal_title：Immunity

authors： Nolz JC,Harty JT

更新日期：2013-02-21 00:00:00

abstract：:Recognition of self is essential for repertoire selection, immune regulation, and autoimmunity and may be a consequence of infection. Self-induced recognition may represent the escape mechanism adopted by pathogens but may also incite autoimmune diseases. Here, we show that bacterial infection may promote activation o...

journal_title：Immunity

authors： De Libero G,Moran AP,Gober HJ,Rossy E,Shamshiev A,Chelnokova O,Mazorra Z,Vendetti S,Sacchi A,Prendergast MM,Sansano S,Tonevitsky A,Landmann R,Mori L

更新日期：2005-06-01 00:00:00

abstract：:The cause of common polygenic autoimmune diseases is not understood because of genetic and cellular complexity. Here, we pinpoint the action of a subset of autoimmune susceptibility loci in the NOD mouse strain linked to D1mit181, D2mit490, D7mit101, and D15mit229, which cause a generalized resistance to thymic deleti...

journal_title：Immunity

authors： Liston A,Lesage S,Gray DH,O'Reilly LA,Strasser A,Fahrer AM,Boyd RL,Wilson J,Baxter AG,Gallo EM,Crabtree GR,Peng K,Wilson SR,Goodnow CC

更新日期：2004-12-01 00:00:00