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Recognition of B and T cell epitopes by cattle immunized with a synthetic peptide containing the major immunogenic site of VP1 FMDV 01 Campos

Zamorano, P.; Wigdorovitz, A.; Chaher, M.T.; Fernandez, F.M.; Carrillo, C.; Marcovecchio, F.E.; Sadir, A.M.; Borca, M.V.

Virology 201(2): 383-387

1994


ISSN/ISBN: 0042-6822
PMID: 8184548
DOI: 10.1006/viro.1994.1305
Accession: 009306196

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The precise location of B and T cell epitopes have been established in a peptide containing the major immunogenic site (residues 135-160) of FMDV strain 01 Campos (01C) VP1. The peptide (p135-160), administered free or conjugated to bovine serum albumin, induced complete protection in guinea pigs and a strong neutralizing antibody (NAb) response in cattle. Using a set of partially overlapping peptides it was shown that although several B cell epitopes were distributed along the p135-160, the residues responsible for the induction of NAb were restricted to the amino acids 135-144. In addition, bovines immunized with the p135-160 showed a strong proliferative response to this peptide but a very poor response against purified virus. Two T-epitopes were located in the 135-160 sequence: one on the region 135-144 and the other in the region 150-160. The immunodominance of these two T cell epitopes was confirmed in cattle immunized with inactivated virus vaccines.

Recognition of B and T cell epitopes by cattle immunized with a synthetic peptide containing the major immunogenic site of VP1 FMDV 01 Campos

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