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. 2019 Mar 4;10(3):223. doi: 10.1038/s41419-019-1443-2

Fig. 5. MiR-184 increases the embryo resorption rate in vivo.

Fig. 5

a In two groups of mice, we administered 15 nmol negative control and miR-184-3p agomir respectively, and detected the expression of miR-184 in the peripheral blood of these mice 24 h later. Unpaired student’s t-test (two-tailed) was used for comparison between two groups. ****P < 0.0001. Data represent mean ± SEM. b At the 11th day of pregnancy, we detected miR-184 expression in uteruses from pregnant mice. Unpaired student’s t-test (two-tailed) was used for comparison between two groups. ****P < 0.0001. Data represent mean ± SEM. c In two groups of mice, we administered negative control or miR-184-3p agomir once every 3 days respectively, and executed pregnant mice at the 11th day of pregnancy. Although administration with 5 nmol miR-184-3p agomir could increase the embryo resorption rate, there was no obvious difference between these two groups. However, administration with 15 nmol miR-184-3p agomir could significantly increase the embryo resorption rate. Arrows indicate the embryo resorption. Two-way ANOVA was used for comparison between the two groups. *P < 0.05. Data represent mean ± SEM. d TUNEL assay was used to compare the apoptosis of placental tissues between the two groups. Scale bar: 100 μm. Unpaired student’s t-test (two-tailed) was used for comparison between two groups. **P < 0.01. Data represent mean ± SEM. e Relative expression of miR-184 in villi tissues from normal pregnant women and abortion patients was detected by RT-PCR. (n = 13) And western blot was used to evaluate the expression of WIG1 in villi tissues from normal pregnant women and abortion patients. (n = 6) Unpaired student’s t-test (two-tailed) was used for comparison between two groups. **P < 0.01. Data represent mean ± SEM. f Expression of WIG1 was also tested in placental tissues from BALB/c mice receiving either negative control or miR-184-3p agomir. (n = 6) (Negative control: mice injected with negative control; miR-184-3p agomir: mice injected with miR-184-3p agomir.)