解剖学和形态学
麻醉学
听力与言语-语言病理学
行为科学
心脏和心血管系统
细胞和组织工程学
临床神经病学
危重症监护医学
牙科,口腔外科和医学
皮肤病学
急诊医学
内分泌学和新陈代谢
肠胃学和肝脏学
老人病学和老年医学
卫生保健科学和服务
血液学
免疫学
传染病
综合和补充性医学
医学伦理学
医学信息学
医学实验室技术
医学,全科和内科
医学,法律
医学,研究和试验
神经系统科学
护理
营养学和饮食学
产科医学和妇科医学
肿瘤学
眼科学
整形外科学
耳鼻喉科学
病理学
儿科学
周围血管疾病
药理学和药剂学
生理学
基本医疗保健
精神病学
公共、环境和职业卫生
放射学,核医学和医学成像
康复学
生殖生物学
呼吸系统
风湿病学
运动科学
外科学
毒理学
热带医学
泌尿学和肾脏学
病毒学
老年医学
健康政策和服务
心理学,临床
abstract::T cells utilize the vascular adhesion molecule E-selectin to enter inflamed skin. T cells identified by the mAb HECA-452 [cutaneous lymphocyte-associated antigen (CLA) T cells] are enriched in E-selectin ligand expressing cells. However, the proportion of CLA(+) T cells reactive with an E-selectin/Fc chimeric construc...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.12.002
更新日期:2007-02-15 00:00:00
abstract::Diabetes mellitus is associated with an increased incidence of cardiovascular events and microvascular complications. Serum amyloid A (SAA), a HDL apolipoprotein is a risk marker for cardiovascular disease. A permanent increase in SAA plasma levels is observed in diabetics. Because SAA acts on leukocytes, we evaluated...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.12.005
更新日期:2007-02-15 00:00:00
abstract::In recent years, several investigators have shown that transfer of dendritic cells (DC) prevents diabetes development in non-obese diabetic (NOD) mice. Accumulating evidences showing that DC cultured in medium containing fetal calf serum (FCS) can induce a dominant unspecific immune response in tumor models after i.v....
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.11.007
更新日期:2007-02-15 00:00:00
abstract::T-cell immunoglobulin mucin-1 (TIM-1) is associated with the regulation of T helper type 2 (Th2) immune responses and has been associated with asthma susceptibility. Previous studies have shown that administration of TIM-1 results in T cell hyperproliferation and increased Th2 cytokine secretion. TIM-1 has also been s...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.11.004
更新日期:2007-01-15 00:00:00
abstract::Human deficiency in transporter associated with antigen processing (TAP) is characterized by a very low surface expression of human leukocyte antigen (HLA) class I molecules in hematopoietic and non hematopoietic cells. Among the latter, TAP-deficient skin fibroblasts have previously been shown by us to be very sensit...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.07.010
更新日期:2006-11-15 00:00:00
abstract::The effect of priming with various antigens on subsequent vaccination with the pneumococcal conjugate vaccine (CPV) was determined using BALB/c mice. Priming with pneumococcal polysaccharide or cross-reactive polysaccharide did not inhibit the IgG response to CPV immunization. Additionally, live intranasal colonizatio...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.04.013
更新日期:2006-08-15 00:00:00
abstract::The effect of oligosaccharides and C-terminal lysine residues on the thermal stability of a recombinant IgG(1) monoclonal antibody was investigated using differential scanning calorimetry (DSC). The C-terminal lysine did not appear to affect the thermal stability of this IgG(1) molecule. However, oligosaccharides, whi...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.05.011
更新日期:2006-08-15 00:00:00
abstract::When IL-4 mRNA was distinguished from mRNA encoding its antagonist, the splice variant IL-4delta2, it was found to correlate directly with expression of TLR2 in fresh peripheral blood mononuclear cells (PBMCs) from normal donors (p=0.0013). Similarly IL-4 mRNA was high when TLR2 mRNA was abundant compared to levels of...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.06.001
更新日期:2006-08-15 00:00:00
abstract::RasGRP1 links TCR signaling to Ras in T cells, while both RasGRP1 and RasGRP3 link BCR signaling to Ras in B cells. T cells deficient in RasGRP1 have defective proliferative responses as do B cells deficient in both RasGRP1 and RasGRP3, confirming the importance of Ras activation in lymphocyte proliferation. While age...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2006.01.005
更新日期:2006-05-15 00:00:00
abstract::Protozoa of the genus Leishmania are intracellular parasites of macrophages and may cause diverse clinical forms of leishmaniasis, including cutaneous, diffuse cutaneous, mucocutaneous and visceral leishmaniasis. Infection with L. major in mice indicates that a protective immune response is achieved when Th1 cells are...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.12.002
更新日期:2006-05-15 00:00:00
abstract::ErbB2, a member of the EGF receptor family of tyrosine kinases is overexpressed on many tumor cells of epithelial origin and is the molecular target of trastuzumab (Herceptin), the first humanized antibody used in the therapy of solid tumors. Trastuzumab, which is thought to act, at least in part, by downregulating Er...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.11.018
更新日期:2006-04-15 00:00:00
abstract::Interleukin-18 (IL-18) is a novel pro-inflammatory cytokine which has been implicated to play a pathogenic role in rheumatoid arthritis (RA). Vascular endothelial growth factor (VEGF) plays an important role in angiogenesis in rheumatoid synoviocytes. In present study, we examined the effect of IL-18 on VEGF productio...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.10.020
更新日期:2006-03-15 00:00:00
abstract::Zipper-interacting protein kinase (ZIPK) is a widely expressed serine/threonine kinase that has been implicated in cell death and transcriptional regulation, but its mechanism of regulation remains unknown. Here, we identified threonine-265 (Thr265) in ZIPK as a major autophosphorylation site. Mutational analyses reve...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.10.015
更新日期:2006-03-15 00:00:00
abstract::Dendritic cells (DC), the most potent antigen presenting cells (APC), have been shown able to process apoptotic tumor cells and necrotic tumor cells for antigen presentation. Apoptosis and necrosis are the two common final pathways through which the tumors are killed by chemotherapy or radiation therapy. The tumor cel...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.09.010
更新日期:2006-03-15 00:00:00
abstract::Homogeneous IgG fractions were obtained by chromatography of the sera of patients with multiple sclerosis (MS) on Protein G-Sepharose under conditions that remove non-specifically bound proteins. These IgGs contained several chelated metals, the relative amount of which decreases in the order: Fe>or=Ca>Cu>or=Zn>or=Mg>...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.10.018
更新日期:2006-02-28 00:00:00
abstract::The possibility of inducing immune responses to murine interleukin-4 (IL-4) and IL-13 and generating anti-cytokine monoclonal antibodies (mAbs) was studied in IL-4- and IL-13-knockout mice. The minimal doses of IL-4 or IL-13 that could induce significant anti-cytokine responses with titers of 5000-10,000 were 20 micro...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.08.005
更新日期:2006-02-15 00:00:00
abstract::Dendritic cells (DC) can direct downstream T-cell responses. Although bacterial adjuvants are strong activators of DC in vitro, the effects of normal enteric bacteria on DC in vivo are not well defined. We used germ-free (GF) mice to determine whether enteric bacteria alter DC phenotype and ability to stimulate naïve ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.07.001
更新日期:2006-01-15 00:00:00
abstract::Dendritic cells (DCs) are highly specialized antigen-presenting cells that play a key role in the initiation and regulation of immune responses. The ability of DCs to process antigens and the outcome of their interaction with T cells are largely dependent on phenotype as well as maturation state of DCs. In this study,...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.05.012
更新日期:2005-11-15 00:00:00
abstract::The peripheral B-cell pool is in dynamic equilibrium and is controlled by a variety of factors. The rate of generation of B cells can influence both the composition and size of the peripheral B-cell compartment. Mice deficient for lambda5 gene expression have a block in early B-cell development leading to a markedly r...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.05.013
更新日期:2005-11-15 00:00:00
abstract::Dendritic cell (DC)-based tumor vaccine is a promising therapy for malignancies. Recent studies showed greater potency with DC/tumor fusion vaccines against acute myeloid leukemia and melanoma compared with lysate-pulsed DC vaccines. We compared these two vaccine strategies against murine colon cancer and investigated...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.05.006
更新日期:2005-11-15 00:00:00
abstract::We have previously reported that the capacity of highly malignant B16BL6 murine melanoma cells to induce cell death in naive syngeneic lymphocytes stems from the absence of major histocompatibility complex (MHC) class I glycoproteins in these melanoma cells. Our present study provides evidence that the above-mentioned...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.03.016
更新日期:2005-09-15 00:00:00
abstract::Neuraminidases act as a virulence factors for several pathogens that invade the human body through Peyer's patch M-cells. Because of the structural similarity of Aleuria aurantia lectin (AAL) to neuraminidases, we hypothesized that AAL might also target human M-cells. In an in vitro human M-cell co-culture model signi...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.03.020
更新日期:2005-09-15 00:00:00
abstract::We examined the alphabeta T cell receptor (TCR) repertoire of naturally occurring CD4+CD25+ regulatory T (Treg) cells isolated from healthy human blood. Three-color FACS analysis demonstrated that the usage of variable region segments of TCRbeta chains by CD4+CD25+ cells did not differ from those of CD4+CD25- cells. C...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.02.011
更新日期:2005-07-15 00:00:00
abstract::Phosphatidylinositol 3-kinase (PI3K) is critical player in cell proliferation and survival. The effects of LY294002 and wortmannin, inhibitors of PI3K, on nitric oxide (NO) production and inducible nitric oxide synthase (iNOS) expression in lipoploysaccharide (LPS)-induced Raw 264.7 cells were investigated. Significan...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.12.007
更新日期:2005-06-15 00:00:00
abstract::Mast cells are important effector cells in IgE-associated immune responses, but also can contribute to host defense in certain examples of bacterial infection. We found that genetically mast cell-deficient WBB6F1-Kit(W)/Kit(W-v) mice exhibited more bacterial CFUs per spleen by 6 days after intraperitoneal injection of...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2005.02.015
更新日期:2005-06-15 00:00:00
abstract::MHC tetramers are used to directly enumerate and visualize the antigen-specific T lymphocyte population of interest by flow cytometry, regardless of the T lymphocyte's functional capacity. Assay sensitivity can be hindered by non-specific binding activity, which is due to the inherent interactions of CD8 and MHC. Poin...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.11.016
更新日期:2005-05-15 00:00:00
abstract::Corticotropin releasing hormone (CRH) is a major regulator of the stress response. This study examined whether CRH regulates interleukin-18 expression on microglia, BV2. Our data show that CRH enhanced IL-18 expression and significantly induced the secretion of functional IL-18 protein. Furthermore, CRH induced IL-18 ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.12.003
更新日期:2005-05-15 00:00:00
abstract::Previously we reported that a mega-dose of Vitamin C enhanced the initial stage of delayed-type hypersensitivity reaction in Balb/c mice. In this study its effects were further evaluated as follows. Mice were administered Vitamin C intraperitoneally at 0.625 mg/day or at 5mg/day for variable days before, during, or af...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.10.012
更新日期:2005-04-15 00:00:00
abstract::While cases of silicosis are often complicated by various autoimmune disorders, patients with asbestosis develop malignant tumors such as lung cancer and malignant mesothelioma. These differences may derive from different biological effects, particularly on immunological cells, of silica and asbestos. To find differen...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.11.005
更新日期:2005-04-15 00:00:00
abstract::Both, HIV envelope proteins gp120 and gp41 can directly activate complement system, even in the absence of HIV-specific antibodies. During the budding process HIV acquires host membrane-associated molecules among these complement regulatory proteins (CRPs). The presence of CRPs on the viral surface rescues HIV from co...
journal_title:Immunology letters
pub_type: 杂志文章,评审
doi:10.1016/j.imlet.2004.11.007
更新日期:2005-03-15 00:00:00
abstract::The prevalence of asthma and allergic disease has increased in many countries and there has been speculation that immunization promotes allergic sensitization. Bordetella pertussis infection exacerbates allergic asthmatic responses. We investigated whether whole-cell pertussis vaccine (Pw) enhanced or prevented B. per...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.10.011
更新日期:2005-02-15 00:00:00
abstract::It is well-established that chemokines play a critical role in the orchestration of inflammation and immunity. Interactions between chemokines and their receptors are essential for the homing of specific subsets of leukocytes to their functional microenvironments. They also influence other diverse biological processes...
journal_title:Immunology letters
pub_type: 杂志文章,评审
doi:10.1016/j.imlet.2004.08.018
更新日期:2005-01-31 00:00:00
abstract::Interleukin-18 (IL-18) gene promoter polymorphism is known as a genetic risk factor for child type 1 diabetes mellitus development. To test the role of IL-18 gene polymorphism in predisposition to adult type 1 diabetes (T1DM) and latent autoimmune diabetes in adults (LADA), we analysed SNPs at position -607 (C/A) and ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.08.016
更新日期:2005-01-31 00:00:00
abstract::Lipopolysaccharide (LPS) is a major component of the outer membrane of Gram-negative bacteria. As such, it signals monocytes, macrophages and neutrophils to up-regulate phagocytic functions and to release pro-inflammatory cytokines. Despite the established role of CD14 as the main LPS receptor, the precise nature of t...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.07.019
更新日期:2005-01-15 00:00:00
abstract::The diminished expression of HLA-DR on monocytes has been proposed as a reliable marker of immunosuppression occuring during septic shock. The objective of the present observational study was to establish the time-dependent relation between plasma cytokines interleukin (IL)-10, transforming growth factor (TGF)-beta1, ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.07.009
更新日期:2004-09-01 00:00:00
abstract::Several studies have implicated a role for the cell surface glycoprotein CD44 in lymphocyte differentiation, adhesion to the matrix, homing, activation and apoptosis. However, the requirement of CD44 in B cell maturation remains elusive. To address this point, we analyzed the generation and activation of B lymphocytes...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.06.004
更新日期:2004-08-15 00:00:00
abstract:UNLABELLED:Helicobacter pylori infection in humans causes gastritis. The infection elicits a complex immune response in which the activation of mast cells and histamine release is of particular importance. Histamine further promotes the immune response and stimulates gastric acid secretion. The inflammatory effects of ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.05.005
更新日期:2004-07-15 00:00:00
abstract::The induction of antigen (Ag)-specific tolerance is critical for the prevention of autoimmunity and maintenance of immune homeostasis. Recently, attention has been focused on induction of active suppression by regulatory T cells (Treg cells). Also, a role for dendritic cells (DCs) in the promotion of peripheral tolera...
journal_title:Immunology letters
pub_type: 杂志文章,评审
doi:10.1016/j.imlet.2004.04.015
更新日期:2004-06-15 00:00:00
abstract::An essential key to pathogenicity in Yersinia is the presence of a 70 kb plasmid (pYV) which encodes a type-III secretion system and several virulence outer proteins whose main function is to enable the bacteria to survive in the host. Thus, a specific immune response is needed in which cytokines are engaged. The aim ...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.04.007
更新日期:2004-06-15 00:00:00
abstract::N-Chlorotaurine (NCT) plays an important role in the human defense system as a main component of long-lived oxidants, and shows bactericidal, fungicidal, and virucidal activity. Besides this role, NCT seems to act regulatory on immunocompetent cells by altering cytokine production. NCT inhibited nitric oxide, TNF-alph...
journal_title:Immunology letters
pub_type: 杂志文章
doi:10.1016/j.imlet.2004.03.006
更新日期:2004-05-15 00:00:00