Kansas State teams with MDx on ASF vaccine

ASF vaccine candidate development project entering first year of funding and will continue through 2023.

July 16, 2020

2 Min Read
Kansas State teams with MDx on ASF vaccine
Getty Images/Scott Olson

New vaccine development work at Kansas State University may soon help confront African swine fever (ASF), a disease that is endemic in sub-Saharan Africa and has spread to different regions of Europe and Asia.

Kansas State noted that it is contributing to vaccine development work through a sponsored research agreement facilitated by K-State Innovation Partners and MEDIAN Diagnostics Inc. (MDx), a veterinary medicine company based in South Korea. K-State Innovation Partners facilitates technology commercialization for the university.

"The technology we are utilizing is based on a novel adenovirus backbone — developed from human adenovirus serotype 6 — that can amplify a transgene up to 10,000 copies in the infected cell without producing infectious viruses," said Waithaka Mwangi, professor of diagnostic medicine and pathobiology in the Kansas State College of Veterinary Medicine.

Mwangi said the technology of single-cycle adenovirus (SCAd) allows a recombinant virus encoding a gene of interest to mediate protein expression in an infected cell in a similar manner as a replication competent virus, but without producing infectious progeny, thus making it safe to use. This platform was originally developed at the Mayo Clinic.

Kansas State ASF vax process.jpg

"We believe this will be a way to deliver a safe and effective vaccine," Mwangi said, adding that the SCAd vaccine platform can safely induce more robust and persistent immune responses compared to live, inactivated and sub-unit vaccines that are traditionally used.

Related:Stem cell approach to aid vaccine development

"There are a lot of issues to be solved for commercializing an African swine fever virus vaccine, and one of the main problems is safety," MDx chief executive officer JinSik Oh said. "We should enhance the vaccine efficacy on the basis of guaranteed safety. We are convinced the SCAd technology is one of the most advanced and promising platforms to develop next-generation African swine fever vaccine candidates, and Kansas State University is the best partner to cooperate with in the veterinary research and development area, so MDx made a decision to invest in this project."

MDx expects the formulation and testing of the new ASF virus vaccine candidate to be completed through this research and development project, which is entering the first year of funding and will continue through 2023.

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