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Schistosomiasis Vaccine

 Schistosoma mansoni tetraspanins protect against schistosomiasis

Published in Medical Letter on the CDC and FDA, September 17th, 2006

Tetraspanins on the surface of Schistosoma mansoni are protective antigens against schistosomiasis.

"Schistosomes are blood-dwelling flukes that infect 200 million people worldwide and are responsible for hundreds of thousands of deaths annually. Using a signal sequence trap, we cloned from Schistosoma mansoni two cDNAs, Sm-tsp-1 and Sm-tsp-2, encoding the tetraspanin (TSP) integral membrane proteins TSP-1 and TSP-2. We raised antibodies to recombinant TSP fusion proteins and showed that both proteins are exposed on the surface of S. mansoni," researchers in Australia report.

"Recombinant TSP-2, but not TSP-1, is strongly...

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