Korean Journal of Veterinary Research 1986;26(2):265-276.
Studies on the Factors Influencing the Growth of Swine Testicle Cells and the END Effect of Hog Cholera Virus
Yun-seong Jeon
College of Veterinary Medicine, Seoul National University
우혈청(牛血淸)(분획(分劃))의 돈정소세포(豚精巢細胞) 발육(發育)과 돈(豚)콜레라 바이러스 END효과(效果)에 미치는 인자(因子)에 관한 연구(硏究)
서울대학교 수의과대학
The bovine serum factor influencing the growth of swine testicle (ST) cell and the END effect of hog cholera SN test was studied. Throughout the experimental studies. following results were obtained and summarized. 1. Bovine whole serum of 16(76.2%) and 4(19.0%) samples out of 21 have shown a positive ST cell growth and the END effect, respectively. However, all of 21(100%) and 8(38.1%) samples out of 21 serum supernatant fractions, prepared from the bovine whole serum, have shown positive ST cell growth and END effect, respectively. 2. In the SDS-polyacrylamide gel electrophoretic analysis of the bovine whole serum and the supernatant fractions, ST cell growth inhibiting factor was proved present in globulin fraction and in whole gel plate as a diffusible component. 3. The END ineffective component present in the whole serum and its supernatant fraction was proved to be BVDV neutralizing antibody. 4. The difference of osmolarity, optical density, pH, degree of precipitant formation following heat cold treatment, A/G ratio as we11 as electrophoretic pattern and NDV SN index of the samples were not correlated to the degree of 57 cell growth and to the END effectiveness.

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