USE OF THE SALMONELLA SPP TYPE III SECRETION PROTEINS AS A PROTECTIVE VACCINATION
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United States of America Patent
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Issued Date -
Aug 27, 2015
app pub date -
Oct 22, 2013
filing date -
Oct 22, 2012
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Abstract
Salmonella enteric serotype Typhimurium is a causative agent for gastroenteritis. It is the leading cause of hospitalization and death caused by a food-borne pathogen in the US. As is the case with many gram- negative pathogens, Salmonella spp. use type III secretion systems (T3SS) to deliver proteins to host cells to induce infections. The T3SS uses a molecular syringe and needle, the type III secretion apparatus (T3SA), as a conduit for the transport of the T3SS proteins from the bacteria to the host. Because proteins associated with the tip of the T3SA are extracellular, they are potential protective subunit vaccine candidates against Salmonella. These pathogens also have a T3SS that is involved with intracellular escape from the vacuole with an associated T3SA. Within this invention, we begin to show proof of concept that these proteins are protective.
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