scholarly journals Age-dependent production of IgA and IgM autoantibodies against IgG2a in a colony of 129/Sv mice

1979 ◽  
Vol 149 (6) ◽  
pp. 1519-1530 ◽  
Author(s):  
JL Van Snick ◽  
PL Masson
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Rheumatoid Factor ◽  
Lupus Erythematosus ◽  
Plaque Assay ◽  
Systemic Lupus ◽  
Igg Antibody ◽  
Sheep Erythrocytes ◽  
Cba Mice ◽  
Age Dependent

Although much of the basic immunological work has been done with mice, little is known about anti-IgG autoantibodies in this species. Dresser (1, 2) has reported the occurrence, in CBA mice, of anti-IgG antibody (Ab)(1) detected by a hemolytic-plaque assay after stimulation with endotoxin or immunization against sheep erythrocytes. IgM rheumatoid factor has also been described in various strains of mice with a systemic lupus erythematosus-like disease (3). Recently, we have tried to induce anti-IgG in mice of the 129/Sv strain by inoculating autologous IgG. To our surprise, we found that the sera of all the animals had, before any inoculation, anti-IgG detectable by agglutination of particles coated with autologous IgG. The possibilities to investigate the mechanism of production and the biological role of this kind of Ab prompted us to undertake a study of the nature and specificity of the mouse anti-IgG.

scholarly journals THE ROLE OF PLATELETS IN FORMATION OF NEUTROPHIL EXTRACELLULAR TRAPS IN PATIENTS WITH IMMUNOCOMPLEX PATHOLOGY

2016 ◽  
pp. 66-70
Author(s):  
J. V. Zubkova ◽  
I. A. Novikova ◽  
V. V. Zhelezko
Keyword(s):  
Rheumatoid Arthritis ◽  
Systemic Lupus Erythematosus ◽  
Rheumatoid Factor ◽  
Lupus Erythematosus ◽  
Neutrophil Extracellular Traps ◽  
In Vitro Cultures ◽  
Systemic Lupus ◽  
Extracellular Traps

The article presents the results of the assessment of the role of platelets in formation of extracellular traps by neutrophils. We have detected the ability of platelets to oppress the formation of extracellular traps by neutrophils in vitro cultures in patients with rheumatoid arthritis (RA) (n = 42) and systemic lupus erythematosus (SLE) (n = 24), but not in patients with hemorrhagic vasculitis (GW) (n = 15). The study has revealed the interrelation of NETosis and rheumatoid factor in patients with RA and SLE, as well as NET formation and number of platelets in patients with GW.

The role of microRNAs (MiR-125a and MiR-146a), RANTES, and IFN-γin systemic lupus erythematosus

2020 ◽  
Vol 23 (13) ◽  
Author(s):  
Ikram khazal Qasim Al- hasso ◽  
Aida Rashid Al- Derzi ◽  
Ahmed Abdul-hassan Abbas ◽  
Faiq I. Gorial ◽  
Ahmed Sameer Alnuimi
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Systemic Lupus

scholarly journals Acute interstitial nephritis and drug-induced systemic lupus erythematosus due to chlorthalidone and amiodarone: A case report

2020 ◽  
Vol 8 ◽  
pp. 2050313X2091002 ◽  
Author(s):  
Umut Selamet ◽  
Ramy M Hanna ◽  
Anthony Sisk ◽  
Lama Abdelnour ◽  
Lena Ghobry ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Interstitial Nephritis ◽  
Lupus Erythematosus ◽  
Kidney Biopsy ◽  
Kidney Injury ◽  
Acute Interstitial Nephritis ◽  
Systemic Lupus ◽  
Drug Induced ◽  
Systemic Manifestations

Drug-induced lupus erythematosus has features distinct from primary systemic lupus erythematosus. It can occur with a wide variety of agents that result in the generation of anti-histone or other types of antibodies. Systemic manifestations of drug-induced systemic lupus erythematosus may include renal dysfunction due to circulating immune complexes or due to other immune reactions to the culprit medication(s). Acute interstitial nephritis occurs due to DNA–drug or protein–drug complexes that trigger an allergic immune response. We report a patient who developed acute kidney injury, rash, and drug-induced systemic lupus diagnosed by serologies after starting chlorthalidone and amiodarone. A renal biopsy showed acute interstitial nephritis and not lupus-induced glomerulonephritis. It is important to note that systemic lupus erythematosus and acute interstitial nephritis can occur together, and this report highlights the role of the kidney biopsy in ascertaining the pathological diagnosis and outlining therapy in drug-induced lupus erythematosus.

scholarly journals Leptin promotes systemic lupus erythematosus by increasing autoantibody production and inhibiting immune regulation

2016 ◽  
Vol 113 (38) ◽  
pp. 10637-10642 ◽  
Author(s):  
Elaine V. Lourenço ◽  
Aijing Liu ◽  
Giuseppe Matarese ◽  
Antonio La Cava
Keyword(s):  
Systemic Lupus Erythematosus ◽  
T Cells ◽  
New Zealand ◽  
Renal Disease ◽  
Lupus Erythematosus ◽  
Cellular Level ◽  
Presentation Of Self ◽  
Systemic Lupus ◽  
Autoantibody Production

Leptin is an adipocytokine that plays a key role in the modulation of immune responses and the development and maintenance of inflammation. Circulating levels of leptin are elevated in systemic lupus erythematosus (SLE) patients, but it is not clear whether this association can reflect a direct influence of leptin on the propathogenic events that lead to SLE. To investigate this possibility, we compared the extent of susceptibility to SLE and lupus manifestations between leptin-deficient (ob/ob) and H2-matched leptin-sufficient (wild-type, WT) mice that had been treated with the lupus-inducing agent pristane. Leptin deficiency protected ob/ob mice from the development of autoantibodies and renal disease and increased the frequency of immunoregulatory T cells (Tregs) compared with leptin-sufficient WT mice. The role of leptin in the development of SLE was confirmed in the New Zealand Black (NZB) × New Zealand White (NZW)F1 (NZB/W) mouse model of spontaneous SLE, where elevated leptin levels correlated with disease manifestations and the administration of leptin accelerated development of autoantibodies and renal disease. Conversely, leptin antagonism delayed disease progression and increased survival of severely nephritic NZB/W mice. At the cellular level, leptin promoted effector T-cell responses and facilitated the presentation of self-antigens to T cells, whereas it inhibited the activity of regulatory CD4 T cells. The understanding of the role of leptin in modulating autoimmune responses in SLE can open possibilities of leptin-targeted therapeutic intervention in the disease.

Role of apoptosis failure in etiopathogenesis of systemic lupus erythematosus and murine lupus

2008 ◽  
Vol 4 (1) ◽  
pp. 33-42
Author(s):  
Kerstin Sarter ◽  
Connie Schulze ◽  
Reinhard E Voll ◽  
Martin Herrmann
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Systemic Lupus ◽  
Murine Lupus

Pregnancy and systemic lupus erythematosus: role of ultrasound monitoring

2011 ◽  
Vol 154 (2) ◽  
pp. 233-234 ◽  
Author(s):  
A. Giancotti ◽  
A. Spagnuolo ◽  
F. Bisogni ◽  
V. D’Ambrosio ◽  
G. Pasquali ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
Systemic Lupus ◽  
Ultrasound Monitoring
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