Abstract:
:Antibodies to DNA (anti-DNA) play an important role in the pathogenesis of systemic lupus erythematosus (SLE). In blood, these antibodies may exist in a free, unbound state or as part of complexes with DNA. Furthermore, circulating DNA may be either complexed or free. Because of the central role of these immunoreactants (anti-DNA and DNA) in the disease, monitoring of their levels could provide valuable information for both clinical and investigative purposes. In these studies, we have explored the use of a DNA-binding dye, PicoGreen, for the detection of circulating DNA, either total or immune complex bound. In addition, we have used this dye for Farr-type antibody assays. Using autoimmune MRL/lpr mice as a model, we have shown that, while the levels of free DNA in the plasma of these mice were comparable with those of normal BALB/c mice, the amounts in complexes precipitable by ammonium sulfate were significantly greater. Furthermore, we showed that Farr assays using PicoGreen reliably detect levels of free anti-DNA, with values correlated with anti-DNA levels by an enzyme-linked immunosorbent assay. Together, our results suggest that a fluorometric dye can accurately monitor DNA and anti-DNA antibody levels in SLE and may provide important information on immunopathogenesis.
journal_name
Scand J Immunoljournal_title
Scandinavian journal of immunologyauthors
Björkman L,Reich CF,Pisetsky DSdoi
10.1046/j.1365-3083.2003.01261.xkeywords:
subject
Has Abstractpub_date
2003-06-01 00:00:00pages
525-33issue
6eissn
0300-9475issn
1365-3083pii
1261journal_volume
57pub_type
杂志文章abstract::The aim of this study was to test the hypothesis that exercise would induce inflammatory response characterized by increased pro-inflammatory cytokines - interleukin-6 (IL-6) and tumour necrosis factor-α (TNF-α), adhesion molecule, matrix metalloprotease-9 (MMP-9) and myeloperoxidase (MPO) levels. Additional aim was t...
journal_title:Scandinavian journal of immunology
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abstract::During B-cell development in the avian bursa of Fabricius most of the developing B cells die by apoptosis and only a minority survive to emigrate into the periphery. Recently, it has been shown that when developing bursal cells become mature and ready to migrate they start to express chL12 antigen. The expression of t...
journal_title:Scandinavian journal of immunology
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abstract::An antigen-specific T-cell line which transforms into T-lymphoma cells in vitro but apparently not in vivo is described. Membrane markers, tumorigenicity and T-cell receptor (TcR) V alpha and V beta-gene usage of the in vitro transformed T-cell line were analysed to investigate whether the transformation event was pol...
journal_title:Scandinavian journal of immunology
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abstract::Coexistence of amyloid fibril protein AA and homogeneous immunoglobulin light-chain fragments was found in the isolated amyloid fibrils of two patients with amyloidosis secondary to rheumatoid arthritis. The light-chain amyloid fibril protein showed antigenic identity with a light-chain amyloid from a patient with pri...
journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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journal_title:Scandinavian journal of immunology
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abstract::C57BL/6 mice treated with intranasal instillation of 100 micrograms of Aspergillus antigen three times a week developed a pulmonary eosinophilia, observed in the bronchoalveolar lavage (BAL) and on histopathological examination. At week 3, the instillation of Aspergillus antigen provoked a 10-fold increase in the BAL ...
journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1046/j.1365-3083.1996.d01-309.x
更新日期:1996-09-01 00:00:00
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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更新日期:2004-11-01 00:00:00
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1111/j.1365-3083.1991.tb02539.x
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abstract::The superantigen SEA binds to MHC class II molecules and activates a large fraction of T cells as a result of interaction with particular TCR-V beta sequences. MHC class II transfected CHO cells induce a marginal CD4+ T-cell proliferation in the presence of SEA. CHO cells transfected with both MHC class II and LFA-3 (...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Scandinavian journal of immunology
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journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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更新日期:1998-01-01 00:00:00
abstract::Rabbit anti-beta 2 microglobulin antibodies have been described as a potent mitogen for human B lymphocytes. However, when fractionated after activation, only the T-cell enriched population is actively dividing. The induction of proliferation in purified T cells requires the presence of non-T cells. Daudi cells (which...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
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abstract::Behçet's disease (BD) is a heterogeneous multi-organ disorder in search of a unified pathophysiological theory and classification. The disease frequently has overlapping features resembling other disease clusters, such as vasculitides, spondyloarthritides and thrombophilias with similar genetic risk variants, namely H...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章,评审
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更新日期:2020-11-01 00:00:00
abstract::Rabbit Ig against human beta2-microglobulin was found to be mitogenic for human peripheral lymphocytes, tonsil lymphocytes, and appendix and spleen cells. Anti-beta2-m gave increased DNA synthesis, with peak responses on day 3 or 4 and showed a dose-response effect when diluted. The effect was seen in both serum-free ...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1111/j.1365-3083.1975.tb02614.x
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abstract::Extracorporeal photochemotherapy (ECP) has been shown to induce apoptosis in lymphocytes. Until recently the prevailing opinion has been that the monocytes were mainly not affected by this treatment. This study has investigated the effect of ECP and gamma irradiation on monocytes and immature dendritic cells (DC) in v...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1111/j.1365-3083.2008.02179.x
更新日期:2008-12-01 00:00:00
abstract::During the assembly of the HLA class I molecules with peptides in the peptide-loading complex, a series of transient interactions are made with ER-resident chaperones. These interactions culminate in the trafficking of the HLA class I molecules to the cell surface and presentation of peptides to CD8(+) T lymphocytes. ...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章,评审
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更新日期:2007-06-01 00:00:00
abstract::Crude preparations of platelet-activating factors (PAF) derived by methanolic extraction of supernatants from antigen-challenged basophils generally stimulated the secretion of histamine from human peripheral blood leucocytes when co-incubated with these cells in the absence of an additional stimulator. When these cru...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1111/j.1365-3083.1981.tb00168.x
更新日期:1981-01-01 00:00:00
abstract::Development of type-II collagen (CII)-induced arthritis (CIA) is dependent on a T-cell mediated activation of autoreactive B cells. However, it is still unclear if B cells can present CII to T cells. To investigate the role of B cells as antigen-presenting cells (APCs) for CII, we purified B cells from lymph nodes of ...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1046/j.1365-3083.2002.01071.x
更新日期:2002-04-01 00:00:00
abstract::Here we analyse the ability of soluble immune complexes (IC) prepared with cationized antibodies to induce cytotoxic responses mediated by neutrophils. While cationized IC induced high levels of cytotoxicity, control IC induced very low levels of response. Inhibition of cytotoxicity by catalase but not by three haemen...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章
doi:10.1111/j.1365-3083.1993.tb01755.x
更新日期:1993-02-01 00:00:00
abstract::Human natural killer (NK) cells are able to adhere to xenogeneic porcine endothelial cells (EC) and evidence from in vitro studies as well as animal models suggests a potential role for NK cells in the cellular recognition and damage of porcine xenogeneic tissues. One possible explanation for the observed NK cell-medi...
journal_title:Scandinavian journal of immunology
pub_type: 杂志文章,评审
doi:10.1046/j.1365-3083.2001.00966.x
更新日期:2001-07-01 00:00:00