[Improved preparation of pure alive eggs of Schistosoma japonicum].

Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi

Published: April 2008

To prepare a large amount of pure alive Schistosoma japonicum eggs, rabbit was infected with 2000 cercariae and its liver was taken aseptically 38-45 days after infection and homogenized. The homogenate was screened through different sieves(60, 120, 200, 300, 360 meshes per inch respectively), and washed with 1.2% NaCl. The eggs and leftover were then digested with 0.25% trypsin for 2 hours, sieved over 360 meshes per inch and washed with RPMI 1640 medium. The collected eggs reached to (95.1 +/- 6.4)% of live eggs, with a high efficiency.

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