Research Article

Oral Vaccination Based on DNA-Chitosan Nanoparticles against Schistosoma mansoni Infection

Table 1

Protective effect and liver granuloma size induced by C57BL/6 mice vaccination with CH-DNA nanoparticles and challenged with 25 S. mansoni cercariae.

GroupsTotal worms mean ± SDPercentage reduction of worm burdenHepatic granuloma area (μm2) Mean ± SDPercentage reduction of granuloma area

Control19.0 ± 2.4109743 ± 47427
CH10.1 ± 0.81*47*83269 ± 5022624,1
DNA13.8 ± 4.52782352 ± 46222*24,9*
CHimi-DNA16.5 ± 3.62369085 ± 40416*37,0*
Chimi-DNA (i.m.)17.5 ± 4.18108222 ± 500461,39

*Statistically significant compared with the control group ( 𝑃 < 0 . 0 5 ).