The adjuvanticity of a synthetic oligodeoxynucleotide containing unmethylated CpG motifs (CpG ODN) was determined in cattle. Calves were immunized with a truncated secreted version of glycoprotein D (tgD) of bovine herpes virus-1 (BHV-1) formulated with alum, CpG ODN, or a combination of both. BHV-1 tgD formulated with CpG ODN or with alum and CpG ODN induced a stronger and more balanced immune response than tgD in alum. This level of immunity was of sufficient magnitude to minimize weight loss and significantly reduce the duration of virus shedding after intranasal viral challenge. Local tissue reactions generated by CpG ODN were very mild and transient, whereas reactions induced by alum or a combination of CpG ODN and alum were moderate in severity and duration. These data demonstrate that CpG ODN causes minimal injection site reactions and yet acts as an effective adjuvant in cattle. (C) 2002 Elsevier Science Ltd. All rights reserved.
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Indian Vet Res Inst, Natl Biotechnol Ctr, Izatnagar 243122, Uttar Pradesh, IndiaIndian Vet Res Inst, Natl Biotechnol Ctr, Izatnagar 243122, Uttar Pradesh, India
Gupta, PK
Saini, M
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Saini, M
Gupta, LK
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Gupta, LK
Rao, VDP
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Rao, VDP
Bandyopadhyay, SK
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Bandyopadhyay, SK
Butchaiah, G
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Butchaiah, G
Garg, GK
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Garg, GK
Garg, SK
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