The distal V(H) gene cluster of the Igh locus contains distinct regulatory elements with Pax5 transcription factor-dependent activity in pro-B cells.

abstract：:Vaccine-induced memory B cell responses to evolving viruses like influenza A involve activation of pre-existing immunity and generation of new responses. To define the contribution of these two types of responses, we analyzed the response to H7N9 vaccination in H7N9-naive adults. We performed comprehensive comparisons...

journal_title：Immunity

authors： Andrews SF,Chambers MJ,Schramm CA,Plyler J,Raab JE,Kanekiyo M,Gillespie RA,Ransier A,Darko S,Hu J,Chen X,Yassine HM,Boyington JC,Crank MC,Chen GL,Coates E,Mascola JR,Douek DC,Graham BS,Ledgerwood JE,McDermott AB

更新日期：2019-08-20 00:00:00

abstract：:T helper 17 (Th17) cells play an important role in mucosal host defense through production of the signature cytokines IL-17 and IL-22. Prostaglandin E2 (PGE2) has been shown to enhance IL-17 production by mature Th17 cells. However, when present during Th17 cell differentiation, we found that PGE2 inhibited the transc...

journal_title：Immunity

authors： Valdez PA,Vithayathil PJ,Janelsins BM,Shaffer AL,Williamson PR,Datta SK

更新日期：2012-04-20 00:00:00

abstract：:Inhibition of immune regulatory checkpoints, such as CTLA-4 and the PD-1-PD-L1 axis, is at the forefront of immunotherapy for cancers of various histological types. However, such immunotherapies fail to control neoplasia in a significant proportion of patients. Here, we review how a range of cancer-cell-autonomous cue...

journal_title：Immunity

authors： Pitt JM,Vétizou M,Daillère R,Roberti MP,Yamazaki T,Routy B,Lepage P,Boneca IG,Chamaillard M,Kroemer G,Zitvogel L

更新日期：2016-06-21 00:00:00

abstract：:Immunoglobulin G (IgG) antibodies confer protection against pathogenic microorganisms, serve as therapeutics in tumor therapy, and are involved in destruction of healthy tissues during autoimmune diseases. Understanding the molecular pathways and effector cell types involved in antibody-mediated effector functions is ...

journal_title：Immunity

authors： Biburger M,Aschermann S,Schwab I,Lux A,Albert H,Danzer H,Woigk M,Dudziak D,Nimmerjahn F

更新日期：2011-12-23 00:00:00

abstract：:Natural hosts for simian immunodeficiency virus (SIV) can be, and are often naturally, infected with species-specific SIVs, but do not develop acquired immunodeficiency syndrome (AIDS). These natural hosts maintain high SIV viral loads, but avoid immunodeficiency. Elucidating the mechanisms that allow natural hosts to...

journal_title：Immunity

authors： Brenchley JM,Silvestri G,Douek DC

更新日期：2010-06-25 00:00:00

abstract：:Minor or histocompatibility (H) antigens are recognized by CD4+ and CD8+ T lymphocytes as short polymorphic peptides associated with MHC molecules. They are the targets of graft versus host and graft versus leukemia responses following bone marrow transplantation between HLA-identical siblings. Several genes encoding ...

journal_title：Immunity

authors： Scott D,Addey C,Ellis P,James E,Mitchell MJ,Saut N,Jurcevic S,Simpson E

更新日期：2000-06-01 00:00:00

abstract：:Reorganization of the actin cytoskeleton requires nucleating factors, which initiate actin fiber formation. In this issue of Immunity, the functions of two classes of actin nucleators are examined in T lymphocytes, giving insight into the regulation of T cell polarity (Gomez et al., 2007). ...

journal_title：Immunity

authors： Schwartzberg PL

更新日期：2007-02-01 00:00:00

abstract：:CXCR5, the receptor for B lymphocyte chemoattractant (BLC), is required for normal development of Peyer's patches, inguinal lymph nodes, and splenic follicles. To test the in vivo activity of BLC in isolation of other lymphoid organizers, transgenic mice were generated expressing BLC in the pancreatic islets. In addit...

journal_title：Immunity

authors： Luther SA,Lopez T,Bai W,Hanahan D,Cyster JG

更新日期：2000-05-01 00:00:00

abstract：:CD4(+) T cells differentiate into phenotypically distinct T helper cells upon antigenic stimulation. Regulation of plasticity between these CD4(+) T-cell lineages is critical for immune homeostasis and prevention of autoimmune disease. However, the factors that regulate lineage stability are largely unknown. Here we i...

journal_title：Immunity

authors： Brown CC,Esterhazy D,Sarde A,London M,Pullabhatla V,Osma-Garcia I,Al-Bader R,Ortiz C,Elgueta R,Arno M,de Rinaldis E,Mucida D,Lord GM,Noelle RJ

更新日期：2015-03-17 00:00:00

abstract：:T cell receptor (TCR) transgenic mice specific for hen egg lysozyme (HEL) were crossed with mice expressing HEL on the thyroid epithelium, on pancreatic islet beta cells, or systemically. Depending on the pattern of HEL expression, deletion of double-positive thymocytes ranged from minimal to complete, and peripheral ...

journal_title：Immunity

authors： Akkaraju S,Ho WY,Leong D,Canaan K,Davis MM,Goodnow CC

更新日期：1997-08-01 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：:C57BI/6 mice infected with mouse hepatitis virus, strain JHM (MHV-JHM) develop a chronic demyelinating encephalomyelitis. Infectious virus can be isolated only from symptomatic mice. In C57BI/6 mice, two CD8+ T cell epitopes within the MHV-JHM surface glycoprotein were previously identified. Here, we show that mutatio...

journal_title：Immunity

authors： Pewe L,Wu GF,Barnett EM,Castro RF,Perlman S

更新日期：1996-09-01 00:00:00

abstract：:Regulatory T (Treg) cells are essential for maintaining immune homeostasis. Although Foxp3 expression marks the commitment of progenitors to Treg cell lineage, how Treg cells are generated during lymphocyte development remains enigmatic. We report here that the c-Rel transcription factor controlled development of Treg...

journal_title：Immunity

authors： Ruan Q,Kameswaran V,Tone Y,Li L,Liou HC,Greene MI,Tone M,Chen YH

更新日期：2009-12-18 00:00:00

abstract：:To understand how orally introduced antigen regulates peripheral immune responses, we fed cytochrome c protein to mice transgenic for the beta chain of a cytochrome c-specific TCR and followed the antigen-specific T cell responses with a cyt c/I-Ek tetramer staining reagent. We find that within 6 hr of cytochrome c ad...

journal_title：Immunity

authors： Gütgemann I,Fahrer AM,Altman JD,Davis MM,Chien YH

更新日期：1998-06-01 00:00:00

abstract：:The participation of a specific subset of B cells and how they are regulated in cancer is unclear. Here, we demonstrate that the proportion of CD5(+) relative to interleukin-6 receptor α (IL-6Rα)-expressing B cells was greatly increased in tumors. CD5(+) B cells responded to IL-6 in the absence of IL-6Rα. IL-6 directl...

journal_title：Immunity

authors： Zhang C,Xin H,Zhang W,Yazaki PJ,Zhang Z,Le K,Li W,Lee H,Kwak L,Forman S,Jove R,Yu H

更新日期：2016-04-19 00:00:00

abstract：:The c-Myb transcription factor is crucial during definitive hematopoiesis. However, the embryonic lethality of Myb traditional null mutations has precluded analysis of c-Myb function in lymphocytes. Using tissue-specific inactivation at the Myb locus, we demonstrate that loss of Myb causes a partial block during B cel...

journal_title：Immunity

authors： Thomas MD,Kremer CS,Ravichandran KS,Rajewsky K,Bender TP

更新日期：2005-09-01 00:00:00

abstract：:CD8 T cells persist at high frequencies in peripheral organs after resolution of an immune response, and their presence in the periphery is important for resistance to secondary challenge. We show here that LCMV-specific T cells in peripheral tissue (peritoneal cavity, lung, fat pads) reacted much less with the apopto...

journal_title：Immunity

authors： Wang XZ,Stepp SE,Brehm MA,Chen HD,Selin LK,Welsh RM

更新日期：2003-05-01 00:00:00

abstract：:Direct and indirect cytopathic mechanisms have been proposed to account for the loss of CD4+ T cells after infection with human immunodeficiency virus type 1 (HIV-1). We report here that HIV-1 infection of the human thymus in vivo results in thymocyte depletion by at least two different mechanisms. Thymocytes within m...

journal_title：Immunity

authors： Su L,Kaneshima H,Bonyhadi M,Salimi S,Kraft D,Rabin L,McCune JM

更新日期：1995-01-01 00:00:00

abstract：:The establishment and maintenance of immunological tolerance entails both central and peripheral mechanisms. The latter have been highlighted in the past several years, mostly because of great interest in the activities of regulatory T cells. However, an important role for central tolerance mechanisms has been reempha...

journal_title：Immunity

authors： Mathis D,Benoist C

更新日期：2004-05-01 00:00:00

abstract：:Antigen presentation and microbial killing are critical arms of host defense that depend upon cargo trafficking into lysosomes. Yet, the molecular regulators of traffic into lysosomes are only partly understood. Here, using a lysosome-dependent immunological screen of a trafficking shRNA library, we identified the Arf...

journal_title：Immunity

authors： Garg S,Sharma M,Ung C,Tuli A,Barral DC,Hava DL,Veerapen N,Besra GS,Hacohen N,Brenner MB

更新日期：2011-08-26 00:00:00

abstract：:Human cytomegalovirus inhibits peptide import into the endoplasmic reticulum (ER) by the MHC-encoded TAP peptide transporter. We identified the open reading frame US6 to mediate this effect. Expression of the 21 kDa US6 glycoprotein in human cytomegalovirus-infected cells correlates with the inhibition of peptide tran...

journal_title：Immunity

authors： Hengel H,Koopmann JO,Flohr T,Muranyi W,Goulmy E,Hämmerling GJ,Koszinowski UH,Momburg F

更新日期：1997-05-01 00:00:00

abstract：:The effector potential of NK cells is counterbalanced by their sensitivity to inhibition by "self" MHC class I molecules in a process called "education." In humans, interactions between inhibitory killer immunoglobulin-like receptors (KIR) and human MHC (HLA) mediate NK cell education. In HLA-B(∗)27:05(+) transgenic m...

journal_title：Immunity

authors： Boudreau JE,Liu XR,Zhao Z,Zhang A,Shultz LD,Greiner DL,Dupont B,Hsu KC

更新日期：2016-08-16 00:00:00

abstract：:A major mechanism maintaining immune tolerance is the deletion of potentially autoreactive thymocytes by apoptosis during development in the thymus. Previous reports suggest that apoptosis is induced by high avidity signals transduced via the T cell receptor; however, the role of signals transduced by other cell surfa...

journal_title：Immunity

authors： Castro JE,Listman JA,Jacobson BA,Wang Y,Lopez PA,Ju S,Finn PW,Perkins DL

更新日期：1996-12-01 00:00:00

abstract：:Membrane recruitment of SHIP is responsible for the inhibitory signal generated by FcgammaRIIB coligation to the BCR. By reducing the level of PIP3, SHIP regulates the association of the tyrosine kinase Btk with the membrane through PH domain-phosphoinositol lipid interactions. Inhibition of BCR signaling by either Fc...

journal_title：Immunity

authors： Bolland S,Pearse RN,Kurosaki T,Ravetch JV

更新日期：1998-04-01 00:00:00

abstract：:Polyreactivity is the ability of a single antibody to bind to multiple molecularly distinct antigens and is a common feature of antibodies induced upon pathogen exposure. However, little is known about the role of polyreactivity during anti-influenza virus antibody responses. By analyzing more than 500 monoclonal anti...

journal_title：Immunity

authors： Guthmiller JJ,Lan LY,Fernández-Quintero ML,Han J,Utset HA,Bitar DJ,Hamel NJ,Stovicek O,Li L,Tepora M,Henry C,Neu KE,Dugan HL,Borowska MT,Chen YQ,Liu STH,Stamper CT,Zheng NY,Huang M,Palm AE,García-Sastre A,Nachba

更新日期：2020-12-15 00:00:00

abstract：:Galactocerebrosides (GCs) represent a major class of glycolipids in the nervous system. Here, we show that mice lacking the key enzyme to generate GCs, UDP-galactose:ceramide galactosyltransferase (CGT(-/-)), exhibit severe postnatal atrophy of all lymphoid organs, owing to a maturational arrest before the pro-B/T cel...

journal_title：Immunity

authors： Katayama Y,Frenette PS

更新日期：2003-06-01 00:00:00

abstract：:Null mutations that cripple T cell receptor (TCR) signaling explain rare primary immunodeficiencies, but it is not understood why more common polymorphisms that lead to subtle TCR signaling defects are paradoxically associated with autoimmunity. Here we analyzed how a series of Zap70 variants with step-wise decreases ...

journal_title：Immunity

authors： Siggs OM,Miosge LA,Yates AL,Kucharska EM,Sheahan D,Brdicka T,Weiss A,Liston A,Goodnow CC

更新日期：2007-12-01 00:00:00

abstract：:Activation of the innate immune response in Metazoans is initiated through the recognition of microbes by host pattern-recognition receptors. In Drosophila, diaminopimelic acid (DAP)-containing peptidoglycan from Gram-negative bacteria is detected by the transmembrane receptor PGRP-LC and by the intracellular receptor...

journal_title：Immunity

authors： Iatsenko I,Kondo S,Mengin-Lecreulx D,Lemaitre B

更新日期：2016-11-15 00:00:00

abstract：:Helping B cells and antibody responses is a major function of CD4+ T cells. It has been 10 years since the publication of Bcl6 as the lineage-defining transcription factor for T follicular helper (Tfh) differentiation and the requirement of Tfh cells as the specialized subset of CD4+ T cells needed for germinal center...

journal_title：Immunity

authors： Crotty S

更新日期：2019-05-21 00:00:00

abstract：:T cell activation induces functional changes in cell shape and cytoskeletal architecture. To facilitate the collection of dynamic, high-resolution images of activated T cells, we plated T cells on coverslips coated with antibodies to the T cell receptor (TCR). Using these images, we were able to quantitate the morphol...

journal_title：Immunity

authors： Bunnell SC,Kapoor V,Trible RP,Zhang W,Samelson LE

更新日期：2001-03-01 00:00:00