Recognition of pneumococcal peptidoglycan: an expanded, pivotal role for LPS binding protein.

abstract：:Effector CD8(+) T cells scan tissues to locate and kill infected host cells. In this issue of Immunity, Hickman et al. (2015) show that the exploration is not random: infected monocytes attract their assassins by secreting chemokines, which accelerates clearance of epicutaneous vaccinia virus infection. ...

journal_title：Immunity

authors： Beura LK,Masopust D

更新日期：2015-03-17 00:00:00

abstract：:mel-18 is a mammalian Polycomb group gene encoding a transcriptional repressor with tumor suppressive activity. Overexpression of mel-18 in mice results in cell cycle arrest of B cells upon B cell receptor stimulation with downregulation of c-myc. This phenotype is rescued in mel-18/c-myc double-transgenic mice, sugge...

journal_title：Immunity

authors： Tetsu O,Ishihara H,Kanno R,Kamiyasu M,Inoue H,Tokuhisa T,Taniguchi M,Kanno M

更新日期：1998-10-01 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：:The transcription factor GATA3 is crucial for the differentiation of naive CD4(+) T cells into T helper 2 (Th2) cells. Here, we show that deletion of Gata3 allowed the appearance of interferon-gamma (IFN-gamma)-producing cells in the absence of interleukin-12 (IL-12) and IFN-gamma. Such IFN-gamma production was transc...

journal_title：Immunity

authors： Yagi R,Junttila IS,Wei G,Urban JF Jr,Zhao K,Paul WE,Zhu J

更新日期：2010-04-23 00:00:00

abstract：:Antigenic peptides are translocated by the TAP peptide transporter from the cytosol into the endoplasmic reticulum (ER) for loading onto MHC class I molecules. Peptides that fail to bind need to be removed from the ER. Here we provide evidence that peptide export utilizes the Sec61p translocon as demonstrated by block...

journal_title：Immunity

authors： Koopmann JO,Albring J,Hüter E,Bulbuc N,Spee P,Neefjes J,Hämmerling GJ,Momburg F

更新日期：2000-07-01 00:00:00

abstract：:Monocytes are circulating, short-lived mononuclear phagocytes, which in mice and man comprise two main subpopulations. Murine Ly6C+ monocytes display developmental plasticity and are recruited to complement tissue-resident macrophages and dendritic cells on demand. Murine vascular Ly6C- monocytes patrol the endotheliu...

journal_title：Immunity

authors： Mildner A,Schönheit J,Giladi A,David E,Lara-Astiaso D,Lorenzo-Vivas E,Paul F,Chappell-Maor L,Priller J,Leutz A,Amit I,Jung S

更新日期：2017-05-16 00:00:00

abstract：:Sensing tissue damage is an ancient function of immune cells that is central to the regulation of inflammation, tissue repair, and immunity. In this issue of Immunity, Lai et al. (2020) uncover a role for the C-type lectin receptor Clec2d as a sensor of cell death, which directly detects histones released during necro...

journal_title：Immunity

authors： Del Fresno C,Sancho D

更新日期：2020-01-14 00:00:00

abstract：:Antibody responses develop following SARS-CoV-2 infection, but little is known about their epitope specificities, clonality, binding affinities, epitopes, and neutralizing activity. We isolated B cells specific for the SARS-CoV-2 envelope glycoprotein spike (S) from a COVID-19-infected subject 21 days after the onset ...

journal_title：Immunity

authors： Seydoux E,Homad LJ,MacCamy AJ,Parks KR,Hurlburt NK,Jennewein MF,Akins NR,Stuart AB,Wan YH,Feng J,Whaley RE,Singh S,Boeckh M,Cohen KW,McElrath MJ,Englund JA,Chu HY,Pancera M,McGuire AT,Stamatatos L

更新日期：2020-07-14 00:00:00

abstract：:Why HIV-specific CD8(+) T cells ultimately fail to clear or control HIV infection is not known. We show here that HIV-specific CD8(+) T cells exhibit increased sensitivity to CD95/Fas-induced apoptosis. This apoptosis is 3-fold higher compared to CMV-specific CD8(+) T cells from the same patients. HIV-specific CD8(+) ...

journal_title：Immunity

authors： Mueller YM,De Rosa SC,Hutton JA,Witek J,Roederer M,Altman JD,Katsikis PD

更新日期：2001-12-01 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：:T follicular helper (Tfh) cells are essential in the induction of high-affinity, class-switched antibodies. The differentiation of Tfh cells is a multi-step process that depends upon the co-receptor ICOS and the activation of phosphoinositide-3 kinase leading to the expression of key Tfh cell genes. We report that ICO...

journal_title：Immunity

authors： Stone EL,Pepper M,Katayama CD,Kerdiles YM,Lai CY,Emslie E,Lin YC,Yang E,Goldrath AW,Li MO,Cantrell DA,Hedrick SM

更新日期：2015-02-17 00:00:00

abstract：:For a preferential homing of T cells to the gut, expression of the integrin alpha4beta7 and the chemokine receptor CCR9 is essential and is induced by antigenic stimulation with dendritic cells from the gut-associated lymphoid organs. Here, we show that the vitamin A (retinol) metabolite, retinoic acid, enhances the e...

journal_title：Immunity

authors： Iwata M,Hirakiyama A,Eshima Y,Kagechika H,Kato C,Song SY

更新日期：2004-10-01 00:00:00

abstract：:Proliferation of memory-phenotype (CD44hi) CD8+ cells induced by infectious agents can be mimicked by injection of type I interferon (IFN I) and by IFN I-inducing agents such as lipopolysaccharide and Poly I:C; such proliferation does not affect naive T cells and appears to be TCR independent. Since IFN I inhibits pro...

journal_title：Immunity

authors： Zhang X,Sun S,Hwang I,Tough DF,Sprent J

更新日期：1998-05-01 00:00:00

abstract：:Virus-specific memory T cell populations demonstrate plasticity in antigenic and functional phenotype, in recognition of antigen, and in their ability to accommodate new memory T cell populations. The adaptability of complex antigen-specific T cell repertoires allows the host to respond to a diverse array of pathogens...

journal_title：Immunity

authors： Selin LK,Welsh RM

更新日期：2004-01-01 00:00:00

abstract：:In this issue of Immunity, studies from Atherly et al (2006) and Broussard et al. (2006) show that mice deficient in Tec kinases support development of a population of CD8(+) T cells with "innate-immune" properties. The similarity of these cells to NKT and MHC-class-Ib-restricted T cells suggests a common developmenta...

journal_title：Immunity

authors： Hogquist KA

更新日期：2006-07-01 00:00:00

abstract：:In this issue of Immunity, Pérez de Diego et al. (2010) report a primary human immune deficiency involving a TRAF protein and show that human immunity to the virus HSV-1 is critically dependent on TRAF3. ...

journal_title：Immunity

authors： Bowie AG

更新日期：2010-09-24 00:00:00

abstract：:The first lineage commitment step of hematopoietic stem cells (HSC) results in separation into distinct lymphoid and myeloid differentiation pathways, reflected in the generation of common lymphoid and myeloid progenitors (CLP and CMP, respectively). In this report we present the first evidence for a nonredundant regu...

journal_title：Immunity

authors： Sitnicka E,Bryder D,Theilgaard-Mönch K,Buza-Vidas N,Adolfsson J,Jacobsen SE

更新日期：2002-10-01 00:00:00

abstract：:Mycobacterium tuberculosis infection in humans triggers formation of granulomas, which are tightly organized immune cell aggregates that are the central structure of tuberculosis. Infected and uninfected macrophages interdigitate, assuming an altered, flattened appearance. Although pathologists have described these ch...

journal_title：Immunity

authors： Cronan MR,Beerman RW,Rosenberg AF,Saelens JW,Johnson MG,Oehlers SH,Sisk DM,Jurcic Smith KL,Medvitz NA,Miller SE,Trinh LA,Fraser SE,Madden JF,Turner J,Stout JE,Lee S,Tobin DM

更新日期：2016-10-18 00:00:00

abstract：:Cyclic GMP-AMP synthase (cGAS) is a cytosolic DNA sensor mediating innate antimicrobial immunity. It catalyzes the synthesis of a noncanonical cyclic dinucleotide, 2',5' cGAMP, that binds to STING and mediates the activation of TBK1 and IRF-3. Activated IRF-3 translocates to the nucleus and initiates the transcription...

journal_title：Immunity

authors： Li X,Shu C,Yi G,Chaton CT,Shelton CL,Diao J,Zuo X,Kao CC,Herr AB,Li P

更新日期：2013-12-12 00:00:00

abstract：:Select humans and animals control persistent viral infections via adaptive immune responses that include production of neutralizing antibodies. The precise genetic basis for the control remains enigmatic. Here, we report positional cloning of the gene responsible for production of retrovirus-neutralizing antibodies in...

journal_title：Immunity

authors： Denzin LK,Khan AA,Virdis F,Wilks J,Kane M,Beilinson HA,Dikiy S,Case LK,Roopenian D,Witkowski M,Chervonsky AV,Golovkina TV

更新日期：2017-08-15 00:00:00

abstract：:Apoptosis induced by tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL/APO-2L) has been shown to exert important functions during various immunological processes. The involvement of the death adaptor proteins FADD/MORT1, TRADD, and RIP and the apoptosis-initiating caspases-8 and -10 in death signali...

journal_title：Immunity

authors： Sprick MR,Weigand MA,Rieser E,Rauch CT,Juo P,Blenis J,Krammer PH,Walczak H

更新日期：2000-06-01 00:00:00

abstract：:We report essential roles of zinc finger transcription factor Gfi-1 in myeloid development. Gene-targeted Gfi-1(-/-) mice lack normal neutrophils and are highly susceptible to abscess formation by gram-positive bacteria. Arrested, morphologically atypical, Gr1(+)Mac1(+) myeloid cells expand with age in the bone marrow...

journal_title：Immunity

authors： Hock H,Hamblen MJ,Rooke HM,Traver D,Bronson RT,Cameron S,Orkin SH

更新日期：2003-01-01 00:00:00

abstract：:The B cell antigen receptor (BCR) functions to initiate signaling and to internalize antigen for processing from within Lyn kinase-enriched membrane lipid rafts. The signaling function of the BCR is blocked by Epstein-Barr Virus (EBV) latent membrane protein 2A (LMP2A), which is constitutively phosphorylated by Lyn. H...

journal_title：Immunity

authors： Dykstra ML,Longnecker R,Pierce SK

更新日期：2001-01-01 00:00:00

abstract：:The identification is made in normal mice of the stages in T cell development at which the rearranged beta chain of the T cell receptor (TCR) is utilized to promote T cell maturation, independent of the TCR alpha chain. In addition, evidence is provided that utilization of beta chains in T cell progenitors does not pr...

journal_title：Immunity

authors： Dudley EC,Petrie HT,Shah LM,Owen MJ,Hayday AC

更新日期：1994-05-01 00:00:00

abstract：:The mechanisms underpinning integration of instructions that program naive CD8+ T cells for effector and/or memory differentiation are not well understood. Herein, we demonstrate that interleukin-12 (IL-12) enhanced and sustained antigen and costimulatory molecule (B7.1)-induced mTOR kinase activity in naive CD8+ (OT-...

journal_title：Immunity

authors： Rao RR,Li Q,Odunsi K,Shrikant PA

更新日期：2010-01-29 00:00:00

abstract：:Group 2 innate lymphoid cells (ILC2s) release interleukin-13 (IL-13) during protective immunity to helminth infection and detrimentally during allergy and asthma. Using two mouse models to deplete ILC2s in vivo, we demonstrate that T helper 2 (Th2) cell responses are impaired in the absence of ILC2s. We show that MHCI...

journal_title：Immunity

authors： Oliphant CJ,Hwang YY,Walker JA,Salimi M,Wong SH,Brewer JM,Englezakis A,Barlow JL,Hams E,Scanlon ST,Ogg GS,Fallon PG,McKenzie AN

更新日期：2014-08-21 00:00:00

abstract：:microRNA-155 (miR-155) is expressed by cells of the immune system after activation and has been shown to be required for antibody production after vaccination with attenuated Salmonella. Here we show the intrinsic requirement for miR-155 in B cell responses to thymus-dependent and -independent antigens. B cells lackin...

journal_title：Immunity

authors： Vigorito E,Perks KL,Abreu-Goodger C,Bunting S,Xiang Z,Kohlhaas S,Das PP,Miska EA,Rodriguez A,Bradley A,Smith KG,Rada C,Enright AJ,Toellner KM,Maclennan IC,Turner M

更新日期：2007-12-01 00:00:00

abstract：:During signal transduction through the B cell antigen receptor (BCR), several signaling elements are brought together by the adaptor protein SLP-65. We have investigated the role of SLP-65 in B cell maturation and function in mice deficient for SLP-65. While the mice are viable, B cell development is affected at sever...

journal_title：Immunity

authors： Jumaa H,Wollscheid B,Mitterer M,Wienands J,Reth M,Nielsen PJ

更新日期：1999-11-01 00:00:00

abstract：:Understanding heterogeneity in adaptive immune responses is essential to dissect pathways of memory B and T cell differentiation and to define correlates of protective immunity. Traditionally, immunologists have deconvoluted this heterogeneity with flow cytometry--with combinations of markers to define signatures that...

journal_title：Immunity

authors： Haining WN,Wherry EJ

更新日期：2010-02-26 00:00:00

abstract：:Pancreatic adenocarcinoma (PDAC) is mostly refractory to immunotherapies. In this issue of Immunity, Li et al. (2018) generate a library of clonal PDAC tumors to examine the tumor-intrinsic features shaping the anti-tumor immune response and find that tumor cell-derived CXCL1 directly blunts T cell infiltration and re...

journal_title：Immunity

authors： Horton B,Spranger S

更新日期：2018-07-17 00:00:00