Research Paper Volume 11, Issue 15 pp 5300—5318

Exosomes derived from microRNA-199a-overexpressing mesenchymal stem cells inhibit glioma progression by down-regulating AGAP2

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Figure 10. Combination of miR-199a treatment and hMSCs containing miR-199a inhibits tumor growth in vivo. (A) the tumor sizes in tumor-bearing nude mice after treatment with PBS, MSCs-mimic NC, MSCs-miR-199a mimic. (B) the tumor volume in tumor-bearing nude mice after treatment with PBS, MSCs-mimic NC, MSCs-miR-199a mimic. (C) the tumor weight in tumor-bearing nude mice after treatment with PBS, MSCs-mimic NC, MSCs-miR-199a mimic. (DE) the changes of AGAP2 expression, detected by immunohistochemistry (Scale bar = 50 μM). (F) the apoptosis of glioma cells in tumor-bearing nude mice, detected by TUNEL staining (Scale bar = 25 μM). * p < 0.05 compared with the PBS group. The results were measurement data, presented as mean ± standard deviation. Repeated measures of variance of analysis was used for the analysis in B and one-way variance of analysis was used for the other analyses. The experiment was repeated three times. PBS, cells treated with phosphate buffered saline; MSCs-mimic NC, mesenchymal stem cells transfected with mimic negative control; MSCs-miR-199a mimic, mesenchymal stem cells transfected with miR-199a mimic.