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Last Updated: September 28, 2020

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Patent: 5,266,313

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Summary for Patent: 5,266,313
Title: Raccoon poxvirus as a gene expression and vaccine vector for genes of rabies virus and other organisms
Abstract:Raccoon poxvirus, an organism that may be indigenous in nature, is established as a suitable substrate for insertion and expression of nucleotide coding sequence of heterolgous organisms. Two infectious raccoon poxvirus recombinants for expressing rabies virus surface spike glycoprotein (G) were produced by homologous recombination between raccoon poxvirus DNA and chimeric plasmids previously used for production of vaccinia virus recombinants by thymidine kinase insertional inactivation. Raccoons that were fed polyurethane baits loaded with raccoon poxvirus recombinant quickly developed high levels of rabies virus neutralizing antibodies and were protected when challenged with an otherwise lethal dose of raccoon rabies street virus. Dogs developed rabies virus neutralizing antibodies after feeding a vectored raccoon poxvirus recombinant in contrast to feeding a vaccinia: G recombinant that induced no rabies neutralizing antibodies. Cotton rats, skunks, mice and rabbits that were fed recombinant raccoon poxvirus developed variable levels of rabies neutralizing antibodies. All vaccinated cotton rats were protected from otherwise lethal rabies challenge.
Inventor(s): Esposito; Joseph J. (Atlanta, GA), Baer; George M. (Atlanta, GA)
Assignee: The United States of America as represented by the Department of Health (Washington, DC)
Application Number:07/829,597
Patent Claims:see list of patent claims

Details for Patent 5,266,313

Applicant Tradename Biologic Ingredient Dosage Form BLA Number Approval Date Patent No. Assignee Estimated Patent Expiration Status Orphan Source
Glaxosmithkline Biologicals Sa RABAVERT rabies vaccine KIT 103334 1 2016-12-19   Start Trial The United States of America as represented by the Department of Health (Washington, DC) 2010-11-30 search
>Applicant >Tradename >Biologic Ingredient >Dosage Form >BLA >Number >Approval Date >Patent No. >Assignee >Estimated Patent Expiration >Status >Orphan >Source

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