PMID: 26767257Jan 16, 2016Paper

Study on immunologic function of thioredoxin glutathione reductase from Schistosoma japonicum

Zhongguo xue xi chong bing fang zhi za zhi = Chinese journal of schistosomiasis control
Li-Jun SongJing Yang

Abstract

To study the immunogenicity and the immuno-protection of thioredoxin glutathione reductase from Schistosomajaponicum (SjTGR) against schistosome infection in mice. Seventy-five mice were randomly divided into 5 groups, namely, blank group, PBS group, CpG2 immunized group, TGR immunized group and TGR + CpG2 co-immunized group. Each mouse was immunized for 3 times. The mice were tail bled before the first immunization and 2 weeks after the third immunization. The serum antibody levels of total IgG, IgG1 and IgG2a against SjTGR were assayed by ELISA. Two weeks after the third immunization, each mouse was infected with 40 ± 2 S. japonicum cercariae by abdominal skin penetration. Forty-two days later, all the mice were sacrificed to collect schistosome adult worms and liver eggs. The worm and egg reduction rates were calculated respectively. The single splenocyte of mouse was collected 2 weeks after the third immunization, and the expressions of CD44high, CD4+CD44high or CD8+CD44high on splenocytes of mice were examined by flow cytometry. After 72 h incubation with recombinant SjTGR, the levels of IL-2, IL-4, IL-10, and IFN-γ in the single-cell supernatant were determined by using ELISA kit. Two weeks after the third immunization, t...Continue Reading

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