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Peripheral blood leucocytes (PBL) of multiple sclerosis (MS) patients and healthy controls were examined for their reactivity with EAC3b, EAC3b-beta 1H, and EAC3bi intermediates and C3b- or beta 1H-coated microspheres (ms). A marked decrease was found in the number of EAC3b-beta 1H (P = 0.04) and EAC3bi (P = 0.03) rosettes accompanied with a decrease in the(More)
Coating of EAC14oxy23b with highly purified human serum beta 1H globulin (beta 1H) led to acceleration of rosette formation with human peripheral blood lymphocytes (PBL), tonsil lymphocytes, B lymphoblastoid (Raji) cells, granulocytes and monocytes. This reaction was discernible from C3bi-dependent rosette formation. Enhancement of rosette formation of C3b(More)
A 20-year-old woman developed transient right-sided hemichoreatic movements after household exposure to varicella-zoster. Some days before the appearance of involuntary movements a vesicular rash had occurred. About 6 months later an elevated IgG serum titer against varicella virus was found and two-dimensional echocardiography showed signs of an(More)
We examined the effect of 20 micrograms recombinant gamma-interferon (rec-gamma-IFN) upon corticotropin (ACTH) and cortisol secretion in 10 healthy male controls. We observed that rec-gamma-IFN enhances cortisol secretion with maxima around 3 hours after injection of the test dose. This effect was suppressible by a single dose of 1.5 mg dexamethasone and(More)
The spontaneous chemiluminescence activity (CL-A) of peripheral mononuclear cells (MNC) was examined in Lewis rats with acute experimental allergic encephalomyelitis (EAE), compared to rats immunized with complete adjuvant (n = 11) and healthy animals (n = 16). In rats with EAE, CL-A increased sharply 8-9 days after immunization (3420 +/- 3124 counts/10 s,(More)
We compared measurements of chemiluminescence (CL) assessing the rate of production of oxygen intermediates at a given instance, and of nitro blue tetrazolium (NBT) reduction detecting total superoxide produced during the assay period, for the assessment of the respiratory burst of both human monocytes (M phi) and polymorphonuclear leukocytes (PMN). In the(More)
The plasma from eight patients with multiple sclerosis (MS) whose disease was in remission, was investigated by a chemiluminescence technique for its ability to stimulate the oxidative metabolism of peripheral blood monocytes (PBM). The active fraction identified had a molecular weight between 13,700 and 43,000 Da. Its activity was reduced by incubation at(More)
I has been reported that myelin basic protein (BP) reacts extremely sensitively to peroxide, which is formed when monocytes/macrophages are stimulated to produce a "respiratory burst" (RB). We measured the RB activity by means of chemiluminescence in peripheral blood monocytes/macrophages (MO) of 17 MS patients, 5 patients with a viral infection of the CNS,(More)