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. 2019 Sep 26;10:2188. doi: 10.3389/fmicb.2019.02188

Figure 5.

Figure 5

3HP-β-LG could not enter into blood circulation when applied through the vagina or anus. (A) Concentration of 3HP-β-LG in sera of monkeys through vaginal administration. (B) Concentration of 3HP-β-LG in sera of monkeys through rectal administration. 3HP-β-LG was formulated in a carbomer gel (1.8 mg/each) and administered through the vagina or anus of rhesus macaques. Their blood samples were collected at different time points before and after the application (−1 to 24 h). 3HP-β-LG in the blood samples was analyzed by ELISA. Each sample was tested in triplicate, and the experiment was repeated twice. Data from a representative experiment are presented as mean ± SD. The asterisks represent significant differences: *p < 0.05; **p < 0.01; ***p < 0.001.