The Effects of Affinity-Purified Anti-DNA Antibodies Derived from Patients with Systemic Lupus Erythematosus on the Fluorescent Antinuclear Antibody Assay Using HEp-2 Cells

2002 ◽  
Vol 40 (1) ◽  
Author(s):  
Kimihiro Suzuki ◽  
Masahide Kawamura ◽  
Midori Mineo ◽  
Tadashi Shinohara ◽  
Koji Kataharada ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Antinuclear Antibody ◽  
Systemic Lupus ◽  
Antibody Assay ◽  
Dna Antibodies

scholarly journals Lamin B autoantibodies in sera of certain patients with systemic lupus erythematosus.

1987 ◽  
Vol 165 (3) ◽  
pp. 750-762 ◽  
Author(s):  
W H Reeves ◽  
N Chaudhary ◽  
A Salerno ◽  
G Blobel
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Antinuclear Antibody ◽  
Nuclear Lamina ◽  
Biological Functions ◽  
Systemic Lupus ◽  
Antibody Assay ◽  
Western Blots ◽  
Lamin B ◽  
Cytoplasmic Filaments

Sera from four patients with systemic lupus erythematosus containing antibodies that yield nuclear rim staining of HEp-2 cells by indirect immunofluorescence were identified and characterized. Each serum contained autoantibodies reacting strongly with lamin B on western blots. One of the four sera displayed weaker reactivity with lamins A and C, while the other three displayed only minimal reactivity with lamins A and C. Titers of antilamin antibodies ranged from 1:1,250 to 1:36,250. Two of the sera also reacted at a dilution of 1:20 with cytoplasmic filaments of PTK-2 cells, suggesting that a small fraction of the autoantibodies in these sera may bind to alpha-helical domains of the lamins that are homologous to those of intermediate filaments. The majority of the antilamin antibodies in these patients' sera are specific for portions of the lamin B molecule that are not homologous to lamins A and C, however. The findings suggest that autoantibodies to the nuclear lamina may, in some instances, be responsible for a rim pattern in the fluorescent antinuclear antibody assay. In addition, autoantibodies to the nuclear lamina in sera of certain patients with systemic lupus erythematosus may be useful for defining the molecular structure and biological functions of lamin B, as well as for studying mechanisms of autoimmunity.

scholarly journals The Impact of T Cell Vaccination in Alleviating and Regulating Systemic Lupus Erythematosus Manifestation

2016 ◽  
Vol 2016 ◽  
pp. 1-9 ◽  
Author(s):  
Liuye Huang ◽  
Yuan Yang ◽  
Yu Kuang ◽  
Dapeng Wei ◽  
Wanyi Li ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
T Cells ◽  
T Cell ◽  
Side Effects ◽  
Lupus Erythematosus ◽  
Clinical Symptoms ◽  
Systemic Lupus ◽  
T Cell Vaccination ◽  
Dna Antibodies

Objective. Systemic lupus erythematosus (SLE) is an autoimmune disease identified by a plethora of production of autoantibodies. Autoreactive T cells may play an important role in the process. Attenuated T cell vaccination (TCV) has proven to benefit some autoimmune diseases by deleting or suppressing pathogenic T cells. However, clinical evidence for TCV in SLE is still limited. Therefore, this self-controlled study concentrates on the clinical effects of TCV on SLE patients. Methods. 16 patients were enrolled in the study; they accepted TCV regularly. SLEDAI, clinical symptoms, blood parameters including complements 3 and 4 levels, ANA, and anti-ds-DNA antibodies were tested. In addition, the side effects and drug usage were observed during the patients’ treatment and follow-up. Results. Remissions in clinical symptoms such as facial rash, vasculitis, and proteinuria were noted in most patients. There are also evident reductions in SLEDAI, anti-ds-DNA antibodies, and GC dose and increases in C3 and C4 levels, with no pathogenic side effects during treatment and follow-up. Conclusions. T cell vaccination is helpful in alleviating and regulating systemic lupus erythematosus manifestation.

scholarly journals Immunological and Clinical Characteristics of Systemic Lupus Erythematosus: A Series from Morocco

2018 ◽  
Vol 2018 ◽  
pp. 1-5 ◽  
Author(s):  
Zeineb Zian ◽  
Mouna Maamar ◽  
Mohamed El Aouni ◽  
Amina Barakat ◽  
Naima Ghailani Nourouti ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Clinical Manifestations ◽  
Arab Countries ◽  
University Hospital ◽  
Nuclear Antigen ◽  
Systemic Lupus ◽  
Female Predominance ◽  
Dna Antibodies ◽  
Moroccan Patients

Systemic Lupus Erythematosus (SLE) is a complex autoimmune disease with a high female predominance. To date, studies about SLE in Morocco are few. This retrospective study describes the clinical and immunological features in a series of 50 SLE Moroccan patients in University Hospital Center of Rabat, Morocco, between December 2011 and December 2013. All patients were screened for antinuclear antibodies (ANA) and anti-DNA antibodies by indirect immunofluorescence, followed by identification of anti-extractable nuclear antigen antibodies by ELISA. The female to male ratio was 6.1:1. Mean age was 31.72 years. The main clinical manifestations were arthritis (82%), mucocutaneous manifestations (80%), renal manifestations (50%), and hematological features (46%). Of the mucocutaneous features, the highest frequencies were observed in the malar rash (68%) and photosensitivity (60%). Of the hematological features, lymphopenia was most frequently observed in 30% of patients, followed by hemolytic anemia in 16% and leucopenia and thrombocytopenia in 8%. Central nervous system was involved in 10%. ANA were found in 88%, anti-DNA antibodies in 56%, and anti-Sm antibodies in 50%. Anti-SSA, anti-SSB, anti-Sm/RNP, and anti-Scl70 antibodies were detected in 38%, 10%, 48%, and 8%, respectively. Our data show that, in our patients, the main clinical and immunological features of SLE remain comparable to patients from other Arab countries.

Differential immunoadsorption coupled with rate nephelometry for estimation of DNA-binding immunoglobulins.

1984 ◽  
Vol 30 (7) ◽  
pp. 1187-1192 ◽  
Author(s):  
V A DeBari ◽  
J Nicotra ◽  
J F Blaney ◽  
E F Schultz ◽  
M A Needle
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Binding Assay ◽  
Systemic Lupus ◽  
Control Serum ◽  
Present Technique ◽  
Before And After ◽  
Dna Antibodies ◽  
Nonparametric Correlation ◽  
Combined Data

Abstract We describe a technique for estimating the mass of anti-DNA antibodies by immunonephelometry of serum immunoglobulins (IgG, IgA, IgM) before and after adsorption onto DNA bound to agarose-polylysine columns. Sixteen patients with systemic lupus erythematosus and 16 age- and sex-matched controls were studied. Precision was determined for high-value (in 10 patients) and low-value (in nine controls) ranges for each of the immunoglobulins. Within-run CVs ranged from 3.0% (IgG, controls) to 11.8% (IgA, patients); between-run CVs ranged from 15.5% (IgG, patients) to 25.2% (IgM, patients). We found anti-DNA antibody concentrations (mean +/- SD) in systemic lupus erythematosus of 1.981 +/- 1.015 g/L for IgG (controls: 0.243 +/- 0.231, p less than 0.001), 0.257 +/- 0.215 g/L for IgA (controls: 0.038 +/- 0.035, p less than 0.001), and 0.282 +/- 0.234 g/L for IgM (controls: 0.191 +/- 0.165, p greater than 0.05). Sensitivity and linearity are such that fivefold dilutions of patients' serum with either a buffered albumin solution or control serum yielded values close to the expected values for IgG. Similarly diluted sera gave inordinately high values in the radiometric binding assay. Neither parametric (linear regression) nor nonparametric correlation methods (Spearman's rank and Kendall's tau) show a significant correlation between patients' data obtained by the present technique and that by a radiometric binding assay (p greater than 0.05), although combined data from patients and controls demonstrate a significant nonparametric correlation (p less than 0.005 for Spearman's and p less than 0.02 for Kendall's).

Monoclonal human anti-DNA antibodies from EB virus-transformed lymphocytes of systemic lupus erythematosus (SLE) patients

1985 ◽  
Vol 5 (4) ◽  
pp. 246-253 ◽  
Author(s):  
Takeshi Sasaki ◽  
Tai Muryoi ◽  
Yukio Sekiguchi ◽  
Eiichi Tamate ◽  
Kaoru Yoshinaga ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Systemic Lupus ◽  
Eb Virus ◽  
Dna Antibodies
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