نتایج جستجو برای: sag1 antigen
تعداد نتایج: 200339 فیلتر نتایج به سال:
background : toxoplasma gondii is an obligate intracellular parasite that infects humans at high preva-lence rates. the virulent rh strain of t. gondii is generally considered to have lost its cyst forming ca-pacity. this study performed to obtain tissue cysts in mice infected with tachyzoites of rh strain treated with sulfadiazine (sdz). it provides the opportunity to analyze the conversion of...
BACKGROUND A strategy to combat infectious diseases, including neglected tropical diseases (NTDs), will depend on the development of reliable epidemiological surveillance methods. To establish a simple and practical seroprevalence detection system, we developed a microsphere-based multiplex immunoassay system and evaluated utility using samples obtained in Kenya. METHODS We developed a micros...
Cats are important in the epidemiology of Toxoplasma gondii infection because they are the only hosts that can excrete the environmentally-resistant oocysts. In the present study, prevalence of T. gondii was determined in serum, feces, and tissues of 170 unwanted cats from Colombia, South America. Antibodies to T. gondii were assayed by the modified agglutination test and found in 77 of 170 (45...
The membrane protein composition of the primary cilium, a key sensory organelle, is dynamically regulated during cilium-generated signaling [1, 2]. During ciliogenesis, ciliary membrane proteins, along with structural and signaling proteins, are carried through the multicomponent, intensely studied ciliary diffusion barrier at the base of the organelle [3-8] by intraflagellar transport (IFT) [9...
Loop-mediated isothermal amplification (LAMP), a rapid nucleic acid amplification method, was developed for the clinical diagnosis of toxoplasmosis. Three LAMP assays based on the SAG1, SAG2, and B1 genes of Toxoplasma gondii were developed. The sensitivities and specificities of the LAMP assays were evaluated by comparison with the results of conventional nested PCR. The LAMP assays were highl...
background: toxoplasma gondii is an obligate intracellular parasite and its sexual and asexual cycles, respectively take place in the intestinal epithelial cell of definitive host and tissue of intermediate hosts. congenital toxoplasmosis is more impor tant when the mother acquired the infection during pregnancy period for the first time. serological tests are the only meth ods for diagnosis of...
Background and Objectives Polytopic antigens are recently applied for replacing crude antigens, for control of infectious agents. The surface of the Toxoplasma is covered with immunogenic antigens namely surface antigens (SAGs). These antigens possess several immunogenic epitopes, inducing immune responses. Materials and Methods In this study, a DNA construct comprising of sequences encoding ...
background: severe and fatal complications of toxoplasmosis urge development of effective vaccines against the disease. the current study was performed to evaluate cocktail dna vaccine containing plasmids encoding gra5, sag1, and rop2 genes of toxoplasma gondii in balb/c mice in tarbiat modares university in 2012. methods: the plasmids containing complete gra5, sag1, and rop2 genes were mass e...
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