h.pylori infection stimulates immune responses. these responses at the mucosal level are predominantly of iga types, while circulating antibodies against this microorganism are predominantly igg classes. igm antibodies are rarely found and seem to be non-specific for this bacterium. in this research, water extract antigen, from three strains of h.pylori (isolated from patients with gastritis, d...

helicobacter pylori (h.pylori) is the most common human infection in the world. this agent has a strong role in pathogenesis of chronic gastritis and peptic ulcers. therefore introducing of simple and cost effective and non invasive tests are important for diagnosis of h.pylori infections. in this study 215 patient suffering from different gastrointestinal disorders referred to gi endoscopy dep...

background: brucellosis is one of the endemic and a zoonotic disease of the iran. science the rapid diagnosis and quick treatment are very important, selection of a sensitive and specific test solving this problem is of a great importance. the main aim of this study is comparison of routine serologic test with standard elisa test. materials and methods: in this survey, 176 suspected patients wi...

Visceral leishmaniasis (VL) is a zoonotic disease caused by leishmania species. Dogs are considered to be the main reservoir of VL. A number of methods and antigen-based assays are used for the diagnosis of leishmaniasis. However, currently available methods are mainly based on direct examination of tissues for the presence of parasites, which is highly invasive. A variety of serological tests ...