Research Article

Gene Gun Bombardment with DNA-Coated Golden Particles Enhanced the Protective Effect of a DNA Vaccine Based on Thioredoxin Glutathione Reductase of Schistosoma japonicum

Table 1

Protective efficacy induced by pVAX1/SjTGR in mice.

GroupsWorm reductionEgg reduction
Worm burden  
(mean ± SE)
Percent reduction in worm burden (%)aLiver egg per gram (EPG) (mean ± SE)Percent reduction in liver egg count (%)b

Trail 1
 pVAX1/SjTGR/g.g. ( )c * 27.83 * 40.38
 pVAX1/g.g. ( ) −8.03 18.86
 pVAX1/SjTGR/i.m. ( ) −14.12 * 51.77
 pVAX1/i.m. ( ) −8.09 −8.86
 PBS ( )

Trail 2
 pVAX1/SjTGR/g.g. ( ) * 38.83 * 44.51
 pVAX1/g.g. ( ) −4.85 −9.79
 PBS ( )

Differences were significant at (*); data was presented in 95% confidence interval.
aPercent reduction was determined using total worms in immunized group compared to PBS group.
bPercent reduction was calculated using liver egg burden in immunized group compared to PBS group.
cThe number of animals in each group when perfusion.