Compositions and kits for inhibiting an allergic response against an allergenic protein are disclosed. The compositions comprise a eukaryotic cell expression vector containing nucleotide sequences encoding an allergenic protein or a polypeptide that comprises an antigenic epitope of said allergenic protein； and an allergenic protein or a polypeptide that comprises an antigenic epitope of the allergenic protein. The kits comprise a first container which comprises a eukaryotic cell expression vector containing nucleotide sequences encoding an allergenic protein or a polypeptide that comprises an antigenic epitope of the allergenic protein and a second container which comprises an allergenic protein or a polypeptide that comprises an antigenic epitope of said allergenic protein. Compositions and kits for inhibiting an allergic response against an flea allergenic protein； a feline allergenic protein； a canine allergenic protein； a dust mite allergenic protein； a peanut allergenic protein； a Japanese cedar allergenic protein； and a blomia tropicalis allergenic protein are disclosed. Methods if using such compositions and kits are also disclosed.
