FIGURE 1.
Timeline of th eexperimental procedure. Mice were randomly assigned to eight groups (n = 20 per group) consisting of two control [normal saline solution (NSS) control group and Holothuria scabra (HS) control group] and six study groups. The mice groups III to VIII were managed to subsequent behavioral tests after completed with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) treatment at day 0 and day 3. HS extract was dissolved in NSS (0.9% NaCl). Mice were euthanized by cervical dislocation.
