نتایج جستجو برای: recombinant protein sag1
تعداد نتایج: 1297381 فیلتر نتایج به سال:
recombinant human interferon alpha 2a (rhifn α -2a) production and cell growth were monitored in a set of genetically modified e. coli strains (msd1519, msd1520, msd 1521, msd 1522, msd 1523) producing rhifn α -2a. the growth was followed at od 600 nm, changes in cell physiology were detected by pyrolysis mass spectrometry (pyms) of cell biomass and recombinant protein production was determined...
conclusions based on the findings, application of recombinant arcaga antigen for the detection of h. pylori infection is a simple, rapid, and brief non-invasive method. therefore, it can be suggested as an appropriate antigen for h. pylori detection kits. results we investigated caga protein, using the immunoblotting method in stool samples, which were already identified as positive by the appl...
Infection with the protozoan parasite Toxoplasma gondii is transmitted to humans from infected animals by tissue cysts and oocysts excreted by cats. Immunization with inactivated parasites or recombinant proteins has at best shown partial protection. We constructed a plasmid expressing the SAG1 surface antigen of T. gondii, p1tPASAG1, and showed that animals immunized with the plasmid produce a...
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...
Toxoplasma gondii, the etiological agent of toxoplasmosis, utilizes stage-specific expression of antigenically distinct glycosylphosphatidylinositol-tethered surface coat proteins to promote and establish chronic infection. Of the three infective stages of T. gondii, sporozoites are encapsulated in highly infectious oocysts that have been linked to large scale outbreaks of toxoplasmosis. SporoS...
Previous studies have indicated that SAG1, the major surface molecule of the protozoan parasite Toxoplasma gondii, is an important attachment ligand for the host cell. However, the research data that supports this claim comes largely from studies investigating tachyzoite binding, and not SAG1 binding per se. In this study we successfully developed an in vitro attachment assay to directly evalua...
Effective protection against intestinal pathogens requires both mucosal and systemic immune responses. Intranasal administration of antigens induces these responses but generally fails to trigger a strong protective immunity. Mucosal adjuvants can significantly enhance the immunogenicities of intranasally administered antigens. Cholera toxin (CT) and heat-labile enterotoxin (LT) are strong muco...
The aim of this study was to test the potential diagnostic usefulness of recombinant Toxoplasma gondii rhoptry antigens, ROP2 and ROP4, with respect to toxoplasmosis detection and infection phase distinction in laboratory mouce by determining specific serum IgM and IgG antibodies with the use of indirect ELISA technique. The mice antibody response to ROP antigens was significantly higher in the...
background: interleukin-27 is a heterodimeric cytokine belonging to il-12 and il-23 families, secreted by antigen presenting cells( apcs ) .the il-27 is composed of 2 subunits: epstein-barr virus induced gene 3 (ebi3) and p28. il-27 is an anti-inflammatory cytokine which has an inhibitory effect on th17 population and suppress the il-17 expression. it is suggested that il-27 could be a potent ...
white spot syndrome virus (wssv) is a highly pathogenic and prevalent virus affecting shrimp culture worldwide including iran. in the present study, a pair of primers was designed according to the sequence of vp 28 gene of wssv in the genbank. vp28 gene from an iranian wssv isolate (irvp28) was cloned, sequenced and expressed in escherichia coli bl21(de3) strain in order to produce vp28 protein...
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