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1.  Immunogenicity of yeast-derived hepatitis B vaccine from two different producers. 
Epidemiology and Infection  1990;104(1):143-149.
The immunogenicity and reactogenicity of two preparations of yeast-derived hepatitis B vaccines were compared in healthy adult populations. The two groups were vaccinated in parallel, but they were not matched for age and sex. All subjects seroconverted, and 9 months after the first vaccine dose, all had anti HBs titres of at least 10 IU/l. The anti-HBs titres were higher in the group of subjects given 20 micrograms vaccine antigen made by Smith Kline & RIT (GMT 2943 at 9 months) compared to those who received 10 micrograms of vaccine made by Merck, Sharp & Dohme (GMT 729 at 9 months). Adverse effects were recorded in 32.0 and 44.7% of the participants, but these were limited to minor local and general reactions. In the present study both preparations were safe and efficient.
PMCID: PMC2271739  PMID: 2137785
2.  Lack of activity of fusidic acid against human immunodeficiency virus in monocytes. 
The effect of fusidic acid on the multiplication of human immunodeficiency virus in monocyte-derived macrophages was examined in in vitro cultures. Virus titers, measured by reverse transcriptase and by p24 antigen in the supernatants and in lysed cells, were reduced in some experiments by 50 micrograms/ml or more; in other experiments, 10 micrograms of fusidic acid per ml added to the cells simultaneously with the virus inoculation reduced virus titers. The effect was comparable in peripheral blood lymphocytes. The drug was generally toxic to the cells, both macrophages and peripheral blood lymphocytes, in concentrations of 50 micrograms/ml or more.
PMCID: PMC172513  PMID: 2473711
3.  Immune interferon in serum and synovial fluid in rheumatoid arthritis and related disorders. 
Annals of the Rheumatic Diseases  1983;42(6):672-676.
Moderate titres of antiviral activity were demonstrated in 48-58% of sera obtained from patients suffering from seropositive and seronegative rheumatoid arthritis (RA), psoriatic arthritis, Reiter's syndrome, ankylosing spondylitis, and juvenile rheumatoid arthritis. Sera from blood donors and from patients with various noninflammatory diseases were positive in 16% of cases. The activity was species-specific, mediated by the homologous cells, and destroyed by treatment with trypsin and exposure to pH 2. Antibodies against human IFN-alpha did not neutralise the activity. These characteristics are compatible with those of IFN-gamma or immune interferon. Neither the presence nor the titre of IFN was correlated with disease activity defined by concentration of C-reactive protein, C3 concentration, and erythrocyte sedimentation rate. IFN-gamma was present in 4 of 10 synovial fluids from patients with RA. The titre in one of these was higher than in the corresponding serum, indicating local production in the rheumatoid joint.
PMCID: PMC1001327  PMID: 6418086
4.  Natural killer (NK) cell activity of peripheral blood, synovial fluid, and synovial tissue lymphocytes from patients with rheumatoid arthritis and juvenile rheumatoid arthritis. 
Annals of the Rheumatic Diseases  1982;41(5):490-494.
Natural killer (NK) cell activity was investigated in peripheral blood, synovial fluid, and synovial tissue lymphocytes from patients with rheumatoid arthritis (RA) and juvenile rheumatoid arthritis (JRA). Unfractionated lymphocytes, T lymphocytes, and non-T lymphocytes from the 3 compartments of JRA patients had reduced activity compared with that of normal peripheral blood lymphocytes (with p values usually between 0.05 and 0.1). Unfractionated synovial tissue lymphocytes of RA patients also showed reduced cytotoxicity (0.05 less than p less than 0.1), whereas peripheral blood lymphocytes exerted normal NK cell activity. The NK activity was exerted by cells both with and without Fc gamma receptors. The highest cytotoxicity was observed in Fc gamma receptor-positive cells, both in peripheral blood and synovial fluid, since more than 70% reduction in NK activity was found after depletion of Fc gamma receptor-positive cells. No evidence of lymphocytotoxic antibodies or other factors with influence on NK cells was observed in the patients' sera.
PMCID: PMC1001029  PMID: 6181746
5.  Mouse fibroblast interferon modifies Salmonella typhimurium infection in infant mice. 
Infection and Immunity  1984;45(1):62-66.
The effect of mouse fibroblast interferon on Salmonella typhimurium infection in infant mice was examined. The lethality to mice that had been given S. typhimurium intragastrically was significantly reduced in a dose-dependent manner when the mice were pretreated with fibroblast interferon. Lower doses of interferon delayed the development of disease. Interferon neutralized with anti-interferon globulin did not influence the lethality of S. typhimurium to mice. In mice treated with interferon there was also a reduced invasiveness of S. typhimurium in intestinal epithelial cells in vivo. It was further demonstrated in an in vitro system that interferon pretreatment of mouse L-929 cells inhibited the invasiveness of the bacteria in a dose-dependent manner. The in vitro inhibition was neutralized with anti-interferon globulin. The results indicate that interferon inhibits Salmonella bacteria from invading cells and establishing an intracellular state of infection. This may represent an important factor in the pathogenesis of disease.
PMCID: PMC263266  PMID: 6376362
6.  Effect of human leukocyte interferon on invasiveness of Salmonella species in HEp-2 cell cultures. 
Infection and Immunity  1983;42(3):1198-1202.
The effect of human leukocyte interferon on the invasiveness of Salmonella and Shigella species in HEp-2 cell cultures was examined. The intracellular and extracellular bacteria were identified by a combination of Nomarski differential interference contrast microscopy and UV incident light microscopy applied on the same microscope. Pretreatment of HEp-2 cells with human leukocyte interferon reduced the number of Salmonella typhimurium and Salmonella paratyphi-B bacteria per cell and the proportion of cells containing bacteria in a dose-dependent manner. Maximum inhibitory effect was observed with ca. 100 U of interferon per ml. The inhibitory effect was neutralized with anti-human interferon globulin. Murine fibroblast interferon did not influence the invasiveness of Salmonella species. Invasiveness of Shigella flexneri was not influenced by treatment of cells with human interferon.
PMCID: PMC264427  PMID: 6358041

Results 1-6 (6)