The effect of hUCBSC-MO treatment in upregulation of myelin basic protein in the spinal cord after injury. Intraperitoneal injection of MO (150 mg/kg) was started one day after injury and continued once a day for 14 days after injury. Intraspinal grafting of hUCBSCs was started 24 hr after injury. Data are represented as mean of RT-PCR bands density ± SEM (n = 2) and analyzed by one-way ANOVA followed by post hoc Bonferroni’s multiple comparison test. ***p < .001 shows significant difference between SCI versus intact. #p < .05, ##p < .01, and ###p < .001 versus spinal cord injury. Φ shows significant difference between SCI-MO-hUCBSC and SCI-hUCBSC (p < .05). $, $$, and $$$ show significant difference between SCI-MO-hUCBSC and SCI-MO (p < .05, p < .01, and p < .001, respectively). Note. hUCBSCs = human umbilical cord blood stem cells; MO = Melissa officinalis; SCI = spinal cord injury; SEM = standard error of the mean; ANOVA = analysis of variance.