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자료유형
학술저널
저자정보
박미나 (파로스백신) 이혜영 (파로스백신) 이현수 (파로스백신) 임대석 (파로스백신) 문상범 (파로스백신)
저널정보
한국생물공학회 KSBB Journal KSBB Journal Vol.35 No.4(Wn.175)
발행연도
2020.12
수록면
319 - 329 (11page)
DOI
10.7841/ksbbj.2020.35.4.319

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초록· 키워드

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Foot-and-mouth disease (FMD) is a highly contagious viral disease susceptible to cloven- hoofed animals such as cattle, pig and goat, consequently exerting a bad influence on the livestock industry. Although various FMD vaccines have been developed for several decades, the efficacy of current FMD vaccines is restrictive because of the FMD virus (FMDV) diversity. The aim of this study was to determine whether the FMD virus (FMDV) serotype A and O epitope recombinant protein vaccine shows protective effects in a FMD animal model using pigs. To manufacture the recombinant protein vaccine, three or six replicates of VP1 epitopes of A/Pocheon/SKR/2010 and O/Andong/SKR/2010 FMDV strains were used and coupled with a swine immunoglobulin G heavy-chain constant region. Pigs were vaccinated twice (interval of 4 weeks) intramuscularly and examined the serum titers of FMDV specific antibody and neutralization antibody. After FMDV challenge, the gross lesions and clinical signs in FMD were assessed, and the viremia was measured by RTPCR assay using oral swabs. In the field experiment using pigs, FMDV-specific antibodies were markedly induced in the sera of FMD vaccine-immunized pigs. In addition, produced antibodies dramatically inhibited FMDV in vitro. Moreover, from challenge test in pigs to test the potency of FMD vaccine, at least more than 93% of vaccinated pigs were clearly protected from FMD. Taken together, these results strongly demonstrate that FMDV bivalent epitope-constituted recombinant protein vaccine shows obviously protective effects against two different serotypes (A, O) of FMDV.

목차

Abstract
1. INTRODUCTION
2. MATERIALS AND METHODS
3. RESULTS
4. DISCUSSION
5. CONCLUSION
REFERENCES

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