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Super-activated interferon-regulatory factors enhance plasmid immunization.

Vaccine Weekly

| June 04, 2003 | COPYRIGHT 2003 NewsRX. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan.  All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)Copyright

2003 JUN 4 - (NewsRx.com & NewsRx.net) -- Super-activated interferon-regulatory factors can enhance plasmid immunization.

According to published research from Canada, "We have been investigating the adjuvant properties of two super-activated interferon-regulatory factors (IRFs), IRF-3(5D) and IRF7/3A, identified in our previous studies of structure-function relationships, for enhancing plasmid vaccines."

"Intramuscular injection of plasmid cocktails encoding IRF-3(5D) and IRF7/3A molecules elicited cytotoxic T cell responses in over 80% of mice following a single immunization compared to a 20% response-rate using a control cocktail," said Jonathan L. Bramson and collaborators at McMaster and McGill Universities. "Most interestingly, greater than 60% of mice immunized with the super-activated IRFs developed antigen-specific antibodies compared to 0% of the mice in the control group. Finally, vaccines which incorporated the super-activated IRFs provided greater protection against challenge with a recombinant ...

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Source: HighBeam Research, Super-activated interferon-regulatory factors enhance plasmid...

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