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KIM, Ah-Young,TARK, Dongseob,KIM, Hyejin,KIM, Jae-Seok,LEE, Jung-Min,KWON, Minhee,BAE, Soohyun,KIM, Byounghan,KO, Young-Joon JAPANESE SOCIETY OF VETERINARY SCIENCE 2017 The Journal of veterinary medical science Vol.79 No.11
<P>In South Korea, pigs were vaccinated once between 8 and 12 weeks of age because of the injection-site granulomas. Therefore this study was performed to determine the optimal age for single vaccination of growing pigs with the currently used type O FMD vaccine. With 498 pigs divided into four groups, seroprevalence of the antibody was analyzed with enzyme-linked immunosorbent assay. Although double vaccination is necessary to completely protect growing pigs from FMD virus infection with the current vaccine, the age of 8 weeks can be considered as the optimal age for piglet vaccination if the booster injection is unavailable.</P>
Kim, Su-Mi,Lee, Hyang-Sim,Lee, Kwang-Nyeong,Park, Jong-Hyeon,Ko, Young-Joon,Kim, Byounghan The Korean Society for Microbiology 2014 Journal of Bacteriology and Virology Vol.44 No.3
Human adenovirus type 5 (hAd5) vectors have been demonstrated to be useful vehicles for gene expressions in animals. However, it has not been reported whether hAd5 transduction might be hampered in the sera of livestock animals in Republic of Korea. We collected 205 samples of livestock animals, such as pig (n=84), cattle (n=84), and goat (n=37) in Korea. The neutralizing antibody (NAb) titers to hAd5 virus were less than 15 in most of samples. Only 8% of goat samples had a NAb titer of 15 or 30. Thus, we showed that hAd5 virus was not neutralized in sera from cattle, pig, and goat, and suggest that the hAd5 vector could be used for the effective delivery of vaccines or proteins in livestock animals in the field.
Chu, Jia-Qi,Kim, Su-Mi,Lee, Kwang-Nyeong,Oem, Jae-Ku,Ko, Young-Joon,Lee, Hyang-Sim,Kim, Yong-Joo,Park, Jee-Yong,Kim, Kwang-Jae,Parida, Satya,Oh, Yooni,Paton, David J.,Joo, Yi-Seok,Kim, Byounghan,Park, The Korean Society for Microbiology 2012 Journal of Bacteriology and Virology Vol.42 No.3
Interferon is an important cytokine that plays a critical role in the initial host defense against viral infection. Recombinant human adenoviruses expressing human interferon-${\alpha}$ (Ad-$HIFN{\alpha}$) or pig interferon-${\beta}$ fused with interleukin-18 (Ad-$PIFN{\beta}$-IL18) were constructed and used to induce an early protective response against foot and mouth disease (FMD). To analyze the antiviral effect, bovine thyroid and porcine kidney IBRS-2 cells and ICR mice were treated with Ad-$HIFN{\alpha}$, Ad-$PIFN{\beta}$-IL18, and cocktail of Ad-$HIFN{\alpha}$ and Ad-$PIFN{\beta}$-IL18. The survival rate of suckling mice was monitored after foot and mouth disease virus (FMDV) challenge following intra-peritoneal (IP) administration of appropriate adenovirus. Indirect antigen ELISA was performed to evaluate inhibition of FMDV replication following challenge with the FMDV O, A, or Asia 1 serotypes in vitro. These recombinant adenoviruses reduced the replication of FMDV in susceptible cells, thereby decreasing the fatality in mice, suggesting that they can be a useful control method for the early protection against FMD infection in livestock after field trial.
Hwang, Ji-Hyeon,Shin, Yong-Keol,Park, So-Yeon,Kim, Jeesoo,Kim, Su-Mi,Kim, Byounghan,Park, Jong-Hyeon,Lee, Jong-Soo,Lee, Kwang-Nyeong American Society for Microbiology 2016 Journal of clinical microbiology Vol.54 No.1
<P>During an outbreak of foot-and-mouth disease (FMD), real-time reverse transcription-PCR (rRT-PCR) is the most commonly used diagnostic method to detect viral RNA. However, while this assay is often conducted during the outbreak period, there is an inevitable risk of carryover contamination. This study shows that the carryover contamination can be prevented by the use of target-specific restriction endonuclease in that assay.</P>