background: boophilus tick is responsible for the transmission of some pathogens (types of germs) and the reduction of fertility in cattles. tropomyosin protein plays an important role in regulating actin function, immune and allergic reactions and vaccine production. objectives: accurate identification of antigenic determinants (epitopes) is difficult, time consuming and not economic, thus we ...

objective: toxoplasma gondii is an obligate intracellular protozoan that causes toxoplasmosis in human and animal. in recent years, significant progress has been made in the identification of vaccine candidates which can induce protective responses. in this study we used complete rhoptry protein 2 gene of toxoplasma gondii as a single dna vaccine and evaluated its immune responses in comparison...

crohn’s disease is an inflammatory bowel disease (ibd), characterized by chronic intestinal inflammation that causes the loss of immune tolerance leading to bizarre inflammatory signals and disruption of mucosal barriers. environmental triggers and interaction of genetic determinants also play an indispensible role. in this case report, we present a pre-pubertal girl with intermittent and refra...