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Immunoglobulin (Ig) G and IgM antibody levels to soluble egg antigens (SEA), adult worm glycoproteins (AWGP), carbohydrate antigens (CHO) and cationic exchange fraction 6 (CEF6) were measured in serum specimens taken from Brazilian patients with acute, intestinal, hepato-intestinal and hepatosplenic
125I-Schistosoma mansoni schistosomulum surface antigens were immunoprecipitated with human antibodies from individual Egyptian patients diagnosed as being either acutely or chronically infected with S. mansoni. Both sets of patients were found to have IgG antibodies in their sera capable of
We have previously reported that the slow development of immunity to reinfection after treatment of Schistosoma mansoni infections is partly attributable to the continued presence of 'blocking' antibodies in young, susceptible children. A further analysis of this phenomenon supports the hypothesis
The effects of the organophosphorous insecticide, Dursban, on aerobic oxidation, glycolysis, glucose utilization and gluconeogenesis in snails tissues were determined. Dursban had a biphasic effect on the aerobic oxidation of succinate, glutamate + malate and TMPD + ascorbate while it had only an
Previous work has shown that the aerobic oxidation of certain intermediates of Krebs cycle by the snail B. alexandrina and B. truncatusis inhibited by TPT. This paper reports data on the effect of TPT on glucose utilization, glycolysis, glycogen content, and glucone ogenesis in snail tissue
Schistosomes are eliminated from laboratory rats around 28 days post-infection, whilst they are still resident within the hepatic portal distributaries of the liver. We have previously shown that their presence in this location is accompanied by an intense mastocytosis. We have investigated the
A series of human monoclonal antibodies were generated using splenocytes from a Chinese patient with chronic schistosomiasis who had undergone splenectomy as part of a portacaval decompression operation. Splenocytes were transformed in bulk culture by Epstein Barr virus and transformants fused with
Schistosomiasis affects 200 million individuals in underdeveloped and developing regions and is a growing concern for travelers worldwide. There has been evidence of resistance to the praziquantel-based therapy and reports of acute-disease manifestation; therefore, other drugs affecting different
A monoclonal antibody (MAb) 5H11/B1 that reacts with a repeating epitope on an excretory-secretory (E + S) antigen of adult worms of Schistosoma mansoni was used in the detection of circulating antigen (CA) in sera from S. mansoni-infected mice using an antigen-capture sandwich ELISA.
The ability of monoclonal based dot-ELISA and a previously described solid-phase ELISA were directly compared to detect circulating schistosomal antigens in sera from 50 Egyptian individuals with parasitologically proven schistosomiasis. The mAb employed, 128C3/3/21, recognized a repeating
Schistosomiasis and malnutrition are often overlapped in poor communities, resulting in disproportionately high mortality rates. Currently, fragmented data make it difficult to define the relationship between diet and schistosomiasis. Thus, we systematically review the preclinical evidence on the
Vasoactive intestinal peptide (VIP) exerts a broad range of biologic actions that may include modulation of hepatic granuloma formation. This study aimed to investigate the effect of VIP administration on the course of acute murine schistosomiasis mansoni. Mice were infected each with 40 Schistosoma
The existence of a shared epitope between the hemocyanin of the marine mollusk Megathura crenulata, better known as the keyhole limpet, and schistosomula has been reported. This epitope has been shown to be a major immunogen in human infection. In this study, keyhole limpet hemocyanin (KLH) was used
Schistosomiasis is a helminthic parasitic disease that results in a wide-ranging pathology in the approximately 200 million infected people worldwide. Much of the immunity to the parasite is directed against carbohydrate determinants in both glycoproteins and glycolipids from the adult worms and
Based on the fact that schistosomiasis patients in both the acute and chronic phase of the infection show a strong humoral immune response against the gut-associated circulating cathodic antigen, a simple and sensitive dot immunobinding assay for schistosomiasis japonica was developed. Circulating