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토끼 출혈성 바이러스의 병원성, 적혈구응집성 및 물리화학적 요인에 대한 영향
윤인중,전윤성,Yoon, In-joong,Jeon, Yun-seong 대한수의학회 1990 大韓獸醫學會誌 Vol.30 No.1
Rabbits were experimentally infected with rabbit hemorrhagic disease virs and the viral pathogenicity, hemagglutinability, and the effect of physicochemical factors were studied. The experimental results were summariaed as follows: 1. Mean rectal temperature of 11 infected rabbits was $40.0{\pm}0.47^{\circ}C$ prior to the virus inoculation, and $39.9{\pm}0.75^{\circ}C$ after 12hrs., $40.2{\pm}0.65^{\circ}C$ after 24hrs., $40.1{\pm}0.77^{\circ}C$ after 36hurs, and $40.6{\pm}0.56^{\circ}C$ just before the death. 2. Mean death time of infected rabbits was $40.3{\pm}22.0$ honrs and its range was 24 to 93 hours. 3. O, B, AB and A type of human erythrocytes were shown their HA in the order, but rabbit and chicken erythrocytes were not hemagglutinated by the virus. 4. In the hemagglutination, less than 0.25 per cent of a final concentration of erythrocytes and 0.2 per cent of BSA in PBS resulted in the best hemagglutination. Phosphate concentration in a range of 0.01M to 0.10M in PBS was not influenced on the hemagglutination reaction, and its pH 7.0 resulted in a better HA. 5. The hemagglutinating titers, in log 2 scale, of organs and tissues of the virus infected rabbits were $9.3{\pm}3.8$ (liver), $9.1{\pm}3.9$ (blood), $6.2{\pm}2.6$ (spleen) and $5.0{\pm}2.5$ (kidney). 6. The physicochemical factors such as heating ($50^{\circ}C$, 10 min.), trypsin treatment (0.05 pre cent, 5 min.), acid treatment (pH 3.0, 20 min.) and ether extraction (3 times) were not affective to the stability of virus and viral HA activities.
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토끼 출혈성 바이러스에 감염된 토끼의 혈액상과 혈액화학치의 변화
윤인중,전윤성,Yoon, In-joong,Jeon, Yun-seong 대한수의학회 1990 大韓獸醫學會誌 Vol.30 No.1
Hematological and blood chemical changes of rabbits infected with rabbit hemorrhagic disease virus were studied and the results were summarized as follows: 1. Total leukocyte count ($2,410{\pm}1,076/{\mu}l$), lymphocyte count ($1,582{\pm}632.5{\mu}l$) and heterophil count ($705{\pm}411.1{\mu}l$) were significantly decreased after 24 hours of the infection (p<0.01). However, no significant changes were observed in monocyte, eosinophil and basophil numbers. 2. A significant increase of aspartate aminotransferase (96IU/L), alanine aminotransferase (96IU/L) and alkaline phosphatase ($401.1{\pm}131.8IU/L$) was observed (p<0.01). 3. A moderate increase of BUN ($26.9{\pm}3.6mg/100ml$) and creatinine ($3.2{\pm}1.9mg/100ml$) was observed (p<0.05). 4. No significant changes of r-GTP, thymol turbidity, glucose, cholesterol, albumin, total serum protein, fibrinogen were observed.
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고양이 3종(FPV, FHV, FCV) 불활화 백신의 효과
이성민,윤인중,최환원,이근좌,이경열,김무강,Lee, Sung-min,Yoon, In-joong,Choi, Hwan-won,Lee, Keun-jwa,Lee, Kyoung-youl,Kim, Moo-kang 대한수의학회 2005 大韓獸醫學會誌 Vol.45 No.3
This study tested the effect of a trivalent (feline panleukopenia; FPV, feline viral rhinotracheitis; FHV, feline calicivirus infection; FCV) inactivated vaccine in cats. The vaccine was tested for the safety in guinea pigs, mice and cats. Also, it was tested for the efficacy in cats. The vaccine was inoculated to cats at 7~9 and 10~12 weeks of age (conventional schedule) and the serological response to vaccination was assessed and was compared to the unvaccinated group. All cats were bled by jugular venipuncture for FPV, FHV and FCV specific serological test (virus neutralizing antibody, VN) at 7~9, 10~12 and 13~15 weeks. After last bleeding, all cats were inoculated with each virus (FPV : orally $2ml\;10^{7.5}\;TCID_{50}/ml$, FHV : nasally $1ml\;10^{7.0}\;TCID_{50}/ml$ and FCV : nasally $1ml\;10^{7.0}\;TCID_{50}/ml$). The Vaccine verified excellent protective effect in guinea pigs, mice and cats. The VN antibody titers of the unvaccinated group cats against FPV, FHV and FCV were <2~16, on the other hand the vaccinated group cats were $512{\sim}{\geq}4096$, 64~1024 and 64~1024, respectively. When all cats were challenged with virulent viruses, the survival rates of the vaccinated group cats were over 80%, while the survival rates of the unvaccinated group cats were less 20%. The typical clinical signs were not observed in the vaccinated group cats, but the typical clinical signs and histopathological lesions were observed in the unvaccinated group cats. As the result of tests, the VN values obtained in this study appeared to be high enough to protect cats from viral challenges. The trivalent (FPV, FHV, and FCV) inactivated vaccine seemed to be very effective, for prevention of feline viral diseases (FPV, FHV, and FCV).
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