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BACKGROUND There is an association between C677T polymorphism of the methylenetetrahydrofolate reductase (MTHFR) gene and methotrexate related toxicity. OBJECTIVE To examine the relations between the recently described A1298C polymorphism of the MTHFR gene, plasma homocysteine, methotrexate toxicity, and disease activity in patients with rheumatoid(More)
Sex hormones, especially estrogen and prolactin (PRL), have an important role in modulating the immune response. PRL is secreted from the pituitary gland as well as other organs and cells particularly lymphocytes. PRL has an immune stimulatory effect and promotes autoimmunity. PRL interferes specifically with B cell tolerance induction, enhances(More)
BACKGROUND AND AIMS Antiphospholipid syndrome (APS) is a systemic autoimmune disease characterised by thrombosis, obstetric complications and the presence of anti-phospholipid antibodies such as anti-β2GPI-Abs. These antibodies may set off the coagulation cascade via several mechanisms, including the induction of tissue factor (TF) expression. Vitamin D has(More)
Evidence points to an association of prolactin to autoimmune diseases. We examined the correlation between hyperprolactinemia and disease manifestations and activity in a large patient cohort. Age- and sex-adjusted prolactin concentration was assessed in 256 serum samples from lupus patients utilizing the LIASON prolactin automated immunoassay method(More)
BACKGROUND Low serum vitamin D concentrations have been reported in several autoimmune disorders. OBJECTIVE To assess whether low serum vitamin D concentrations are related to disease activity of patients with systemic lupus erythematosus (SLE). METHODS 378 patients from several European and Israeli cohorts were pooled and their disease activity was(More)
Intravenous immunoglobulin (IVIg) is administered for various indications and generally considered a safe therapy. Most of the adverse effects (AEs) associated with IVIg administration are mild and transient. The immediate AEs include headache, flushing, malaise, chest tightness, fever, chills, myalgia, fatigue, dyspnea, back pain, nausea, vomiting,(More)
The development of autoimmune diseases may be influenced by hormonal, immunomodulatory, and metabolic pathways. Prolactin (PRL), ferritin, vitamin D, and the tumor marker tissue polypeptide antigen (TPA) were measured in autoimmune diseases: systemic lupus erythematosus (SLE), systemic sclerosis (SSc), rheumatoid arthritis (RA), polymyositis (PM),(More)
The autoimmune diseases are more common in females. The sex hormones have an important role in this gender bias, mainly estrogen and prolactin (PRL) which modulate the immune response. PRL is secreted from the pituitary gland and other organs and cells mainly the lymphocytes. PRL has an immunostimulatory effect and promotes autoimmunity: PRL impairs the(More)