abstract：:Dendritic cells (DC) are heterogenous, comprising several subpopulations of migratory and lymphoid-organ-resident types. Recent studies addressing the role of each subset in antigen presentation in vivo have revealed a complex division of labor within the DC network. In addition to CD8(+) DC, migratory lung or dermal ...

journal_title：Current opinion in immunology

authors： Segura E,Villadangos JA

更新日期：2009-02-01 00:00:00

abstract：:The sensing of nucleic acids by pattern recognition receptors is a central feature of innate immunity and is mediated by two types of receptors, Toll-like receptors and cytosolic receptors. Indeed, DNA, be it pathogen-derived or self-derived, can potently trigger the innate immune system; and much attention has been f...

journal_title：Current opinion in immunology

authors： Yanai H,Savitsky D,Tamura T,Taniguchi T

更新日期：2009-02-01 00:00:00

abstract：:The NLR (nucleotide-binding domain leucine-rich repeat containing) family of intracellular sensors is a crucial component of the innate immune system. A number of NLR family members can form multiprotein complexes, called inflammasomes, and are capable of activating the cysteine protease caspase-1 in response to a wid...

journal_title：Current opinion in immunology

authors： Pedra JH,Cassel SL,Sutterwala FS

更新日期：2009-02-01 00:00:00

abstract：:Consolidating the information that we have on pharmacogenetics and on cytokine genetics to produce patient-oriented individualized drug regimens is an important challenge in transplantation medicine. Using a multi-variant approach based on genetic profile and other relevant clinical factors a score system may be devel...

journal_title：Current opinion in immunology

authors： Girnita DM,Burckart G,Zeevi A

更新日期：2008-10-01 00:00:00

abstract：:Physiological cell death, which occurs as a continuous byproduct of cellular turnover, is non-immunogenic or even tolerogenic, thereby avoiding autoimmunity. By contrast, cancer cell death elicited by radiotherapy and some chemotherapeutic agents such as anthracyclines is immunogenic. Recent data suggest that innate a...

journal_title：Current opinion in immunology

authors： Tesniere A,Apetoh L,Ghiringhelli F,Joza N,Panaretakis T,Kepp O,Schlemmer F,Zitvogel L,Kroemer G

更新日期：2008-10-01 00:00:00

abstract：:Accessory molecules are required for microbial recognition by Toll-like receptor (TLR), subsequent signaling, and regulation of ensuing immune responses. Accessory molecules regulate TLRs on the cell surface (MD-2 and RP105), or in the endoplasmic reticulum (ER) (Unc93B, PRAT4A, and gp96). Other types of accessory mol...

journal_title：Current opinion in immunology

authors： Akashi-Takamura S,Miyake K

更新日期：2008-08-01 00:00:00

abstract：:The prevailing paradigm ascribes activation of Toll-like receptor 9 (TLR9) to the detection of CpG-motifs within pathogen derived DNA. However, new work ties natural phospho-diester (PD) DNA recognition by TLR9 to the detection of the DNA sugar backbone 2' deoxyribose. PD 2' deoxyribose homopolymers lacking DNA bases ...

journal_title：Current opinion in immunology

authors： Wagner H

更新日期：2008-08-01 00:00:00

abstract：:While Interleukin-5 (IL-5) is initially identified by its ability to support the growth and differentiation of activated B cells, overexpression of IL-5 significantly increases eosinophil numbers and antibody levels predominantly from an expanded population of B-1 cells in vivo. Conversely, mice lacking a functional g...

journal_title：Current opinion in immunology

authors： Takatsu K,Nakajima H

更新日期：2008-06-01 00:00:00

abstract：:The proteasome is the protein destroying machinery conserved in all eukaryotes and plays essential roles in various cellular processes. Apart from the conserved 'standard' proteasome, a special type of proteasome called 'immunoproteasome' exists in vertebrates for better presentation of antigenic peptides on MHC class...

journal_title：Current opinion in immunology

authors： Murata S,Takahama Y,Tanaka K

更新日期：2008-04-01 00:00:00

abstract：:Perception of pathogen-associated molecular patterns (PAMPs) constitutes the first layer of plant innate immunity and is referred to as PAMP-triggered immunity (PTI). For a long time, part of the plant community was sceptical about the importance of PAMP perception in plants. Genetic and biochemical studies have recen...

journal_title：Current opinion in immunology

authors： Zipfel C

更新日期：2008-02-01 00:00:00

abstract：:The extent of airway remodeling correlates with severity of asthma. Persistent airway hyperresponsiveness (AHR) is associated with airway remodeling, but not with inflammation. The increase in ASM mass is recognized as one of the most important factors related to AHR and to the severity of asthma. The infiltration of ...

journal_title：Current opinion in immunology

authors： Okayama Y,Ra C,Saito H

更新日期：2007-12-01 00:00:00

abstract：:Simply detecting the presence or absence of Foxp3, a transcription factor characteristic of naturally occurring CD4+ CD25+ regulatory T cells (Tregs), now appears of minimal value in predicting the outcome of immunologic responses, since dividing human CD4+ effector T cells can induce Foxp3 without attaining repressiv...

journal_title：Current opinion in immunology

authors： Tao R,de Zoeten EF,Ozkaynak E,Wang L,Li B,Greene MI,Wells AD,Hancock WW

更新日期：2007-10-01 00:00:00

abstract：:While mutations in human FOXP3 predispose individuals to autoimmune conditions, it is unclear how the mutant protein fails to function as a transcriptional regulator. There is also limited detail of how FOXP3 itself interacts with the transcriptional machinery and which components of the FOXP3 ensembles exert phenotyp...

journal_title：Current opinion in immunology

authors： Li B,Saouaf SJ,Samanta A,Shen Y,Hancock WW,Greene MI

更新日期：2007-10-01 00:00:00

abstract：:The discovery of novel immune receptors has led to a recent renaissance of research into the innate immune system, following decades of intense research of the adaptive immune system. Of particular interest has been the discovery of the natural killer (NK) cell receptors which, depending on type, interact with classic...

journal_title：Current opinion in immunology

authors： Sambrook JG,Beck S

更新日期：2007-10-01 00:00:00

abstract：:T cell activation leads to a segregation of plasma membrane domains to form TCR signalling clusters and eventually immunological synapses. At these T cell activation sites signalling protein networks reside in plasma membrane regions which adopt a highly ordered physical state. Studies of reconstituted model membranes...

journal_title：Current opinion in immunology

authors： Harder T,Rentero C,Zech T,Gaus K

更新日期：2007-08-01 00:00:00

abstract：:Defensins are a component of the host response against bacterial infections. Multiple studies suggest a linked upregulation of beta-defensins and pro-inflammatory cytokines expression in various tissues, as well as the possibility of mutual induction. Recent data demonstrate the importance of nucleotide-binding oligom...

journal_title：Current opinion in immunology

authors： Menendez A,Brett Finlay B

更新日期：2007-08-01 00:00:00

abstract：:IL-17-producing T cells have recently been classified as a new effector T-cell subset, termed Th17, which is distinct from Th1, Th2 and Treg subsets. There has been much progress in the past year, leading to identification of the molecular mechanisms that drive differentiation of Th17 T cells. This has helped to clari...

journal_title：Current opinion in immunology

authors： Stockinger B,Veldhoen M

更新日期：2007-06-01 00:00:00

abstract：:Protective and pathogenic immune responses were initially thought to be determined by the differentiation of naïve T cells into Th1 and Th2 effector subsets and the immunosuppressive activity of thymic-derived regulatory T cells. It is now clear that naïve T cells can also differentiate into 'induced' regulatory T cel...

journal_title：Current opinion in immunology

authors： Sundrud MS,Rao A

更新日期：2007-06-01 00:00:00

abstract：:The divergence of alphabeta and gammadelta T cells from a common precursor in the thymus is regulated by multiple cell-intrinsic and cell-extrinsic factors, most of which are not well defined. Recent studies have provided crucial data regarding the precise timing of lineage commitment and some clarification on the ext...

journal_title：Current opinion in immunology

authors： Narayan K,Kang J

更新日期：2007-04-01 00:00:00

abstract：:Clinical and experimental data now clearly indicate that chronic inflammation significantly contributes to cancer development. Emerging out of these studies is an appreciation that persistent humoral immune responses exacerbate recruitment and activation of innate immune cells in neoplastic microenvironments where the...

journal_title：Current opinion in immunology

authors： Tan TT,Coussens LM

更新日期：2007-04-01 00:00:00

abstract：:Vaccines prophylactic against infection with human papillomavirus (HPV) are based on alum adjuvanted virus-like particles. Two such vaccines have recently been shown to prevent persistent HPV infection and associated cervical cancer precursor lesions. The genotype-specific neutralising antibody directed at conformatio...

journal_title：Current opinion in immunology

authors： Leggatt GR,Frazer IH

更新日期：2007-04-01 00:00:00

abstract：:Cancer results from a tumor cell intrinsic dysregulation of oncogenes, tumor suppressor and stability genes as well as from the avoidance of immunosurveillance. A complex network of cellular interactions allows one to mount cognate anti-tumor immune responses. Recently, discoveries have been made regarding the links b...

journal_title：Current opinion in immunology

authors： Ghiringhelli F,Apetoh L,Housseau F,Kroemer G,Zitvogel L

更新日期：2007-04-01 00:00:00

abstract：:The development and maintenance of regulatory T (T-reg) cells is crucial for determining the level of reactivity in the immune system. Until recently, however, surprisingly little was known about the factors involved in the development of these cells in the thymus or the mechanisms that maintain them in the periphery....

journal_title：Current opinion in immunology

authors： Liston A,Rudensky AY

更新日期：2007-04-01 00:00:00

abstract：:The molecular repertoire for innate recognition of bacterial pathogens has expanded rapidly in the past decade. These immunosensors include Toll-like receptors and the more recently defined NOD-like receptors (NLRs): NODs, NALPs, NAIP and IPAF. Toll-like receptors signal from the cell surface or endosome upon ligand b...

journal_title：Current opinion in immunology

authors： Delbridge LM,O'Riordan MX

更新日期：2007-02-01 00:00:00

abstract：:The hygiene hypothesis was initially formulated to explain the steep increase in the prevalence of allergies in Western societies observed over the past few decades. It proposes that the microbial environment interfaces with the innate immune system and modulates its ability to impart instructions to adaptive immune r...

journal_title：Current opinion in immunology

authors： Vercelli D

更新日期：2006-12-01 00:00:00

abstract：:There has been great progress in understanding the alloresponse and the process of immune recovery after stem cell transplantation. Here, we highlight ways in which transplant outcome is determined by unique immunological features of the early post-transplant period that modulate the growth and function of the grafted...

journal_title：Current opinion in immunology

authors： Barrett J

更新日期：2006-10-01 00:00:00

abstract：:Innate and adaptive immune responses target pathogenic fungi and provide defense against fungal infections. Recent studies demonstrate that specific host receptors recognize ligands that are unique to fungi and activate signaling cascades that lead to phagocytosis of fungi, generation of pro-inflammatory mediators, fo...

journal_title：Current opinion in immunology

authors： Hohl TM,Rivera A,Pamer EG

更新日期：2006-08-01 00:00:00

abstract：:Precursor B cells assemble a diverse repertoire of immunoglobulin (Ig) genes by the process of V(D)J recombination. Assembly of IgH genes is regulated in a tissue- and stage-specific manner via the activation and then the inactivation of distinct regions within the one megabase IgH locus. Recent studies have shown tha...

journal_title：Current opinion in immunology

authors： Sen R,Oltz E

更新日期：2006-06-01 00:00:00

abstract：:B-cell antigen receptor (BCR) signals are crucial for initiation of humoral immune responses and must be actively modulated and/or terminated in preparation for receipt of subsequent cues for progression. BCR signaling is also actively inhibited in autoreactive cells in which unresponsiveness is maintained by anergy. ...

journal_title：Current opinion in immunology

authors： Gauld SB,Merrell KT,Cambier JC

更新日期：2006-06-01 00:00:00

abstract：:Antiviral T-cell responses between individuals that have similar major histocompatibility complex molecules share similarities in epitope hierarchies and T-cell receptor variable gene usage (public specificities), yet the T-cell receptor amino acid sequences differ between individuals (private specificities). The sign...

journal_title：Current opinion in immunology

authors： Welsh RM

更新日期：2006-06-01 00:00:00

abstract：:The innate immune system is comprised of a sophisticated network of recognition and effector molecules that act together to protect the host in the first minutes or hours of exposure to an infectious challenge. The mannose-binding lectin (MBL) is an evolutionary conserved circulating host defense protein that acts as ...

journal_title：Current opinion in immunology

authors： Takahashi K,Ip WE,Michelow IC,Ezekowitz RA

更新日期：2006-02-01 00:00:00

abstract：:Various new aspects of antigen processing have been uncovered through the study of tumor antigens. One of these is the production of antigenic peptides by splicing of two distinct peptide fragments. In one of the two cases reported, the proteasome was found to be responsible for splicing. The presentation of another p...

journal_title：Current opinion in immunology

authors： van der Bruggen P,Van den Eynde BJ

更新日期：2006-02-01 00:00:00

abstract：:The identification and quantitation of peptides selected by class II MHC molecules during natural processing of proteins is of key importance in understanding the repertoire and distribution of T cells. The examination of peptides selected by class II MHC molecules has depended greatly on mass spectrometry, a powerful...

journal_title：Current opinion in immunology

authors： Suri A,Lovitch SB,Unanue ER

更新日期：2006-02-01 00:00:00

abstract：:The treatment of autoimmune diseases using conventional chemical immunosuppressants has short-term effects, imposing the need for chronic treatment with its risks of over-immunosuppression. CD3-specific monoclonal antibodies can restore self-tolerance in a durable fashion after a single short-term treatment, as demons...

journal_title：Current opinion in immunology

authors： Chatenoud L

更新日期：2005-12-01 00:00:00

abstract：:The recent discovery of PTPN22 as a novel susceptibility gene in human type 1 diabetes and continued progress in defining genes in animal models of the disease mark a fruitful period in the field of type 1 diabetes genetics. In addition, the similarities of the genetic and functional aspects across species have been s...

journal_title：Current opinion in immunology

authors： Maier LM,Wicker LS

更新日期：2005-12-01 00:00:00

abstract：:Malaria remains one of the greatest impediments to development in many tropical regions of the world. Understanding host immune responses to malaria parasites is crucial for the effective design and implementation of new vaccines and drugs. Recent research has seen the identification of the first pattern recognition r...

journal_title：Current opinion in immunology

authors： Engwerda CR,Good MF

更新日期：2005-08-01 00:00:00

abstract：:Our understanding of NKT cells has been rapidly advancing over recent years, with many research groups studying how these cells behave and how they can be manipulated to prevent disease. Although good progress has been made, a difficulty is the lack of a clear consensus about how to assay, or even identify, NKT cells....

journal_title：Current opinion in immunology

authors： Berzins SP,Smyth MJ,Godfrey DI

更新日期：2005-08-01 00:00:00

abstract：:The discovery of the CD1 antigen-presenting system reveals that T cells survey the lipid content of target cells via T-cell receptor (TCR) contact with CD1 bound to lipids, glycolipids and small molecules. Recently, CD1 proteins have been found to present mycobacterial lipopeptides that are involved in scavenging iron...

journal_title：Current opinion in immunology

authors： Van Rhijn I,Zajonc DM,Wilson IA,Moody DB

更新日期：2005-06-01 00:00:00

abstract：:The germinal center (GC) is an important anatomical site for the development of high affinity antibodies during T-cell dependent B cell responses. Although the importance of the GC response to humoral immunity is well known, much remains to be elucidated about GC induction, maintenance and regulation. Recent studies e...

journal_title：Current opinion in immunology

authors： Cozine CL,Wolniak KL,Waldschmidt TJ

更新日期：2005-06-01 00:00:00

abstract：:Natural killer T (NKT) cells are a distinct lymphocyte lineage that regulates immune responses. During their development in the thymus, immature uncommitted double-positive CD4+CD8+ thymocytes that rearrange the semi-invariant T-cell receptor found on mature NKT cells are positively selected by the non-classical MHC c...

journal_title：Current opinion in immunology

authors： Matsuda JL,Gapin L

更新日期：2005-04-01 00:00:00