Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

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Record number 504271
Title Full protection of swine against foot-and-mouth disease by a bivalent B-cell epitope dendrimer peptide
Author(s) Blanco, Esther; Guerra, Beatriz; Torre, Beatriz de la; Defaus, Sira; Dekker, A.; Andreu, D.; Sobrino, Francisco
Source Antiviral Research 129 (2016). - ISSN 0166-3542 - p. 74 - 80.
DOI https://doi.org/10.1016/j.antiviral.2016.03.005
Department(s) CVI Virology
Publication type Refereed Article in a scientific journal
Publication year 2016
Abstract Foot-and-mouth disease virus (FMDV) causes a highly contagious disease of cloven-hoofed animals. We have reported (Cubillos et al., 2008) that a synthetic dendrimeric peptide consisting of four copies of a B-cell epitope [VP1(136–154)] linked through thioether bonds to a T-cell epitope [3A(21–35)] of FMDV [B4T(thi)] elicits potent B- and T-cell specific responses and confers solid protection in pigs to type C FMDV challenge. Herein we show that downsized versions of this peptide bearing two copies of a B-cell epitope from a type O isolate and using thioether [B2T(thi)] or maleimide [B2T(mal)] conjugation chemistries for their synthesis elicited in swine similar or higher B and T-cell specific responses than tetravalent B4T(thi). Moreover, while partial protection was observed in animals immunized with B4T(thi) (60%) and B2T(thi) (80%), B2T(mal) conferred full (100%) protection against FMDV challenge, associated to high levels of circulating IgG2 and mucosal IgGA, and entirely prevented virus shedding. Interestingly, B2T(mal) is also the most advantageous option in terms of synthetic practicality. Taken together, the results reported here point out to B2T(mal) as a highly valuable, cost-effective FMDV candidate vaccine.
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