Abstract:
:Immunodeficiency syndromes associated with protein-energy malnutrition (PEM) have been documented extensively, although to date the mechanism underlying these defects remains uncharacterized. In this study, we have evaluated T, B, and antigen-presenting cell functions of malnourished mice fed a 4% protein diet compared with litter-mate controls fed a 20% protein diet. Spleen cells from malnourished mice presented both soluble foreign protein and allogeneic MHC antigens less efficiently than control mice. However, T cells from malnourished animals demonstrated effective or enhanced specific T-cell activation when stimulated with allogeneic cells, while B cells from protein-deprived animals responded normally in proliferative responses to T-cell driven cognate and non-cognate, as well as mitogen, stimulation. To assess further antigen-presenting cell function, three requirements for successful antigen presentation were evaluated. First, the proliferation of the IL-1-dependent cloned T-cell line D10 demonstrated a slight deficiency in IL-1 production by malnourished splenic antigen-presenting cells, and the addition of saturating amounts of IL-1 to the assay could partially reconstitute function. Second, quantitative cell-sorter analysis revealed minimal deficiencies of spleen-cell Ia expression. Third, antigen-processing function was assayed in vitro by using processed antigen fragments; no improvement in protein-deprived antigen-presenting function resulted. Together, these findings suggest that either decreased Ia glycoprotein expression on a critical subset of antigen-presenting cells (APCs) or a quantitative deficiency in such a subset of cells, or both, underlie the defective antigen-presenting cell function observed in chronic protein deprivation (CPD).
journal_name
Immunologyjournal_title
Immunologyauthors
Conzen SD,Janeway CAsubject
Has Abstractpub_date
1988-04-01 00:00:00pages
683-9issue
4eissn
0019-2805issn
1365-2567journal_volume
63pub_type
杂志文章相关文献
IMMUNOLOGY文献大全abstract::The subcutaneous (s.c.) injection of sheep red blood cells (SRBC) without adjuvant into mice preferentially induced delayed hypersensitivity (DH) reaction, as measured by footpad swelling, while intraperitoneal (i.p.) measured by the haemagglutinin test. Under these conditions, the properties of the helper activities...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1975-05-01 00:00:00
abstract::Gene ablation studies in mice indicate that lymphotoxin (LT)alpha, LTbeta and LTbetaR are essential for the genesis of lymph nodes (LN), normal structural development of peripheral lymphoid tissues and the differentiation of natural killer (NK) cells. LTbetaR binds to the heterotrimeric cytokines LTalpha1beta2 and LIG...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.2003.01586.x
更新日期:2003-03-01 00:00:00
abstract::Compared with adults, the circulating Vγ2Vδ2 T-cell population in cord blood is present at low levels and does not show the strong bias for Vγ2-Jγ1.2 rearrangements. These features may be a result of limited exposure to stimulatory phosphoantigens, lack of T-cell-derived interleukin-2 (IL-2) or both. In cord blood mon...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1111/imm.12039
更新日期:2013-04-01 00:00:00
abstract::T cells from mice injected with picryl sulphonic acid (PSA) inhibit the expression of contact sensitivity to picryl chloride. Adult thymectomy (aTx) prevents the production of cells which inhibit the effector stage but cells from aTx mice are, however, still able to suppress the induction of contact sensitivity. These...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1981-01-01 00:00:00
abstract::A role of neutrophils in the host response against Mycobacterium avium (MAC) has recently been suggested. To investigate this matter further, we determined the effect of granulocyte colony-stimulating factor (G-CSF) on the outcome of MAC infection in mice. C57BL/6bg+/bg- black mice were intravenously infected with 1 x...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.1998.00529.x
更新日期:1998-07-01 00:00:00
abstract::The role of Peyer's patches in the local intestinal and serum antibody responses to keyhole limpet haemocyanin (KLH) was studied in rabbits with chronically isolated ileal loops. Four weekly doses of 400 microgram KLH were administered into loops prepared with and without Peyer's patches. Isotype-specific IgA and IgG ...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1981-03-01 00:00:00
abstract::Nod-like receptors are a family of innate immune receptors that link cytosolic sensing of microbial and danger stimuli to the activation of immune responses. Two Nod-like receptor family members, Nod1 and Nod2, recognize bacterial peptidoglycan and activate immune responses via nuclear factor-κB (NF-κB) and mitogen-ac...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1111/imm.12307
更新日期:2014-10-01 00:00:00
abstract::In this study we followed the in vivo fate and distribution of hapten-coupled sheep red blood cells (TNP-SRBC) coated with 125I-labelled anti-hapten antibody in mice. The majority of these complexes was rapidly taken up by the liver, and by macrophages in the marginal zone of the spleen. Within a few hours, however, m...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1984-05-01 00:00:00
abstract::Stimulated T lymphocytes and certain T-cell hybridomas secrete molecules capable of inducing B-lymphocyte proliferation and differentiation. It has been shown recently that one such B-cell stimulatory factor is associated with chondroitin sulphate proteoglycan (CSPG) and was designated T-cell proteoglycan fraction, or...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1988-08-01 00:00:00
abstract::Different genetic mutations have been described in complement component C7 deficiency, a molecular defect clinically associated with an increased susceptibility to neisserial recurrent infections. In this work we report the genetic basis of C7 deficiency in two different Spanish families (family 1 and family 2). In fa...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1111/j.1365-2567.2004.01997.x
更新日期:2004-12-01 00:00:00
abstract::The plant lectin concanavalin A (Con A) has been used in an invertebrate model of lectin-dependent cell-mediated cytotoxicity (LDCC). Macrophage-like cells from the susceptible host snail Biomphalaria glabrata become cytotoxic effectors when they encounter sporocysts of the parasitic trematode Schistosoma mansoni that...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1986-02-01 00:00:00
abstract::Suppressor T (Ts) cells specific for minor alloantigens can be generated by intravenous administration of high doses (10(8) cells) of alloantigenic spleen cells. Such Ts cells have previously been shown to inhibit the in vivo induction of CTL responses and are now shown to suppress in vitro proliferative responses to ...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1989-10-01 00:00:00
abstract::The addition of crude extracts from rat submandibular (SM) glands to murine spleen and lymph node cell cultures stimulated with concanavalin A (Con A) induced either suppression (at high concentrations) or further stimulation (at lower concentrations) or further stimulation (at lower concentrations) of proliferative a...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1985-10-01 00:00:00
abstract::Undesired immunological responses to products of therapeutic gene replacement have been obstacles to successful gene therapy. Understanding such responses of the host immune system to achieve immunological tolerance to a transferred gene product is therefore crucial. In this article, we review relevant studies of immu...
journal_title:Immunology
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2567.2009.03069.x
更新日期:2009-05-01 00:00:00
abstract::A major role has been recently ascribed to the neutrophil in the resistance to infection by Listeria monocytogenes (L. monocytogenes). Here we evaluated whether such neutrophils played a role in the non-specific resistance to listeriosis that develops in hosts infected by mycobacteria. We found that the depletion of n...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.1996.d01-758.x
更新日期:1996-11-01 00:00:00
abstract::The IgE immune response was studied in female athymic, nude (Lewis rnu/rnu) and euthymic (Lewis +/+) rats infected with the nematode Nippostrongylus brasiliensis. During the course of the infection, serum IgE levels were followed using an enzyme-linked immunosorbent assay technique (ELISA), while the surface expressio...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1995-11-01 00:00:00
abstract::Signaling by Kit has been extensively studied in hematopoietic cells and is essential for the survival, proliferation and maintenance of hematopoietic stem and progenitor cells. In addition to the activation of intrinsic signaling pathways, Kit has been shown to interact with lineage-restricted type I cytokine recepto...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1111/imm.13174
更新日期:2020-04-01 00:00:00
abstract::Haemolytic assays were used to compare alternative and classical complement (C) pathway activities in sera obtained from neonatal pigs reared on porcine colostrum, bovine colostrum or an immunoglobulin-free synthetic diet. Dramatic increases in immunoglobulin concentrations were noted in the colostrum-fed animals duri...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1980-09-01 00:00:00
abstract::We have studied activation-induced changes in intracellular calcium [Ca2+]i, interleukin-2 (IL-2) secretion, and clonal abortion of the human leukaemic T-cell line Jurkat and three T-cell receptor (TcR)/CD3 receptor negative clones deficient for the TcR alpha, TcR beta and CD3 gamma chains respectively, as well as thr...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1993-03-01 00:00:00
abstract::The intestine immune response in rats following immunization with horseradish peroxidase (HRP) was studied morphologically. Various routes of immunization (intraperitoneal, intravenous, intraenteric and intra-Peyer's patch) were tested. Single injections did not evoke any specific antibody-containing (anti-HRP) cells ...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1983-09-01 00:00:00
abstract::A panel of monoclonal antibodies was used to define the lymphocyte subpopulations in the sheep uterus at various stages of the oestrous cycle. A striking finding was that the majority of lymphocytes in the uterine and endometrial glandular epithelia belonged to a unique lymphocyte subpopulation that expressed the CD45...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1988-01-01 00:00:00
abstract::Lymphocyte migration into inflammatory sites involves a change from a spherical, non-motile phenotype to an irregular, constantly shape-changing, motile phenotype. We have previously shown that lymphocytes are maintained in the non-motile state by the constitutive activity of protein kinase C (PKC). In this paper we h...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.1996.486567.x
更新日期:1996-03-01 00:00:00
abstract::This paper describes attempts to isolate and characterize glycosaminoglycan (GAG)-binding molecules on the surface of lymphocytes and lymphoma cell lines and relate their expression to splenic and lymph node homing capacity. Initial binding studies with radiolabelled GAG and rosetting studies with GAG-coupled erythroc...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1991-02-01 00:00:00
abstract::The specific recognition of the acetylcholine receptor and its alpha-subunit by T cells derived from patients with myasthenia gravis or mice with experimental autoimmune myasthenia gravis raises the question of the role of autoreactive T cells in the myasthenic process. Sequences of the acetylcholine receptor alpha-su...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1990-04-01 00:00:00
abstract::In chronic inflammatory conditions, mononuclear cells infiltrate the involved connective tissue and may persist, perhaps because of binding to adhesion molecules on connective tissue cells, as well as extracellular matrix. Here we investigated whether vascular cell adhesion molecule-1 (VCAM-1) may be induced on human ...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.1996.d01-750.x
更新日期:1996-11-01 00:00:00
abstract::Bursal and splenic lymphocytes in developing chick embryos were examined for the number of antigen binding cells (ABC) which could form rosettes with red blood cells from sheep, guinea-pig, rabbit or dinitrophenylated sheep red blood cells (DNP-SRBC). The kinetics of the development of bursal ABC to rabbit red blood c...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1979-08-01 00:00:00
abstract::Expression of the lymph node homing and CC-chemokine receptor 7 (CCR7), with L-selectin (CD62L), has been shown to divide human memory T cells into two functionally distinct subsets. We generated a polyclonal antibody against murine CCR7 and used this antibody to study CCR7 expression on murine T-cell subsets. Using f...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1046/j.1365-2567.2003.01727.x
更新日期:2003-10-01 00:00:00
abstract::T. brucei infection in mice causes generalized immunosuppression with multiple changes in the cells of the lymphoid tissue. Loss of B cell responsiveness to antigens and mitogens, and the induction of suppressive T-cells and macrophages, have been previously reported (Hudson, Byner, Freeman & Terry, 1976; Corsini, Cla...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1979-02-01 00:00:00
abstract::Flow cytometric analyses of the surface immunoglobulins of murine memory B cells revealed the existence of populations expressing multiple isotypes, including an IgM+/IgG+ population that could be stimulated in vitro with antigen to secrete both IgM and IgG. Female BALB/c mice were immunized with R-phycoerythrin (RPE)...
journal_title:Immunology
pub_type: 杂志文章
doi:
更新日期:1991-01-01 00:00:00
abstract::Human papillomaviruses (HPVs) are obligate epithelial pathogens and typically cause localized mucosal infections. We therefore hypothesized that T-cell responses to HPV antigens would be greater at sites of pathology than in the blood. Focusing on HPV-16 because of its association with cervical cancer, the magnitude o...
journal_title:Immunology
pub_type: 杂志文章
doi:10.1111/j.1365-2567.2006.02465.x
更新日期:2006-12-01 00:00:00