Vaccination against Fasciola hepatica infection using a Schistosoma mansoni defined recombinant antigen, Sm14. 2003

Marília S Almeida, and Humberto Torloni, and Paulo Lee-Ho, and Monica M Vilar, and Nilton Thaumaturgo, and Andrew J G Simpson, and Miriam Tendler
Universidade Federal de Santa Catarina - MIP/CCB, Campus Universitário, Trindade, 88010-970, Florianópolis, - SC, Brazil.

Fasciola hepatica is the causative agent of fasciolosis in many areas in America, Europe, Africa, Asia and Australia. There is an urgent need for improved methods to control the parasite's transmission. We describe the use of an experimental vaccine based on a recombinant antigen cloned from another parasite, Schistosoma mansoni (Sm14), that induces high levels of cross protection in mice against both S. mansoni and F. hepatica. Sheep and mice vaccinated with Sm14 were significantly protected against challenge infection with metacercariae of Fasciola hepatica and were completely free of the histopathological hepatic damage related to liver fluke infection. The vaccine will provide a valuable new tool to aid in transmission control of this economically important disease.

UI MeSH Term Description Entries
D007110 Immunity, Active Resistance to a disease agent resulting from the production of specific antibodies by the host, either after exposure to the disease or after vaccination. Active Immune Response,Active Immune Responses,Active Immunities,Active Immunity,Immune Response, Active,Immune Responses, Active,Immunities, Active,Response, Active Immune,Responses, Active Immune
D008099 Liver A large lobed glandular organ in the abdomen of vertebrates that is responsible for detoxification, metabolism, synthesis and storage of various substances. Livers
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002352 Carrier Proteins Proteins that bind or transport specific substances in the blood, within the cell, or across cell membranes. Binding Proteins,Carrier Protein,Transport Protein,Transport Proteins,Binding Protein,Protein, Carrier,Proteins, Carrier
D005210 Fasciola hepatica A species of helminth commonly called the sheep liver fluke. It occurs in the biliary passages, liver, and gallbladder during various stages of development. Snails and aquatic vegetation are the intermediate hosts. Occasionally seen in man, it is most common in sheep and cattle. Liver Fluke,Fasciola hepaticas,Fluke, Liver,Flukes, Liver,Liver Flukes,hepatica, Fasciola
D005211 Fascioliasis Liver disease caused by infections with parasitic flukes of the genus FASCIOLA, such as FASCIOLA HEPATICA. Fasciola Infection,Fasciola Infections,Fascioliases,Infection, Fasciola,Infections, Fasciola
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D000947 Antigens, Helminth Any part or derivative of a helminth that elicits an immune reaction. The most commonly seen helminth antigens are those of the schistosomes. Helminth Antigens
D012550 Schistosoma mansoni A species of trematode blood flukes of the family Schistosomatidae. It is common in the Nile delta. The intermediate host is the planorbid snail. This parasite causes schistosomiasis mansoni and intestinal bilharziasis. Schistosoma mansonus,mansonus, Schistosoma
D012756 Sheep Any of the ruminant mammals with curved horns in the genus Ovis, family Bovidae. They possess lachrymal grooves and interdigital glands, which are absent in GOATS. Ovis,Sheep, Dall,Dall Sheep,Ovis dalli

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