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U.S. Department of Health and Human Services

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Vaccine 2010 Aug 16;28(36):5817-27

Genetic control of immune responses to influenza A matrix 2 protein (M2).

Misplon JA, Lo CY, Gabbard JD, Tompkins SM, Epstein SL


Vaccines should protect genetically diverse populations. Therefore we tested the candidate "universal" influenza A matrix protein 2 (M2) vaccine in multiple mouse strains. Mice were primed with M2 DNA and boosted with M2 recombinant adenovirus (rAd). C57BL/6 (B6) mice developed no antibody or T-cell response to M2, while BALB/c responded strongly. CBA responses were intermediate. Both MHC and background genes influenced responsiveness. To improve low responses we immunized with adjuvanted peptide-carrier conjugates, or co-immunized with nucleoprotein (NP), which can augment T-cell help. The conjugate vaccine enhanced some outcomes but not others. Co-immunizing with NP improved outcomes over either NP or M2 immunizations alone. These results have implications for vaccination of genetically diverse populations.

Category: Journal Article
PubMed ID: #20600476
Includes FDA Authors from Scientific Area(s): Biologics
Entry Created: 2011-10-04 Entry Last Modified: 2019-10-27