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2003 NOV 12 - (NewsRx.com & NewsRx.net) -- Researchers have identified a vaccine candidate for Venezuelan equine encephalitis to begin testing in human trials.
According to published research from the United States, "The central objective of this research was to test molecularly defined, live attenuated Venezuelan equine encephalitis virus (VEEV) vaccine candidates that were produced through precise genetic manipulation of rationally selected viral nucleotide sequences."
"Molecular clones of vaccine candidates were constructed by inserting either three independently attenuating mutations or a PE2 cleavage-signal mutation with a second-site resuscitating mutation into full-length cDNA clones," reported William D. Pratt and collaborators at the U.S. Army Medical Research Institute of Infectious Diseases, University of North Carolina, and AlphaVax, Inc. "Vaccine candidate viruses were recovered through DNA transcription and RNA transfection of cultured cells, and assessed in rodent and non-human primate models. Based ...