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Fig. 3 | Journal of Nanobiotechnology

Fig. 3

From: MicroRNA engineered umbilical cord stem cell-derived exosomes direct tendon regeneration by mTOR signaling

Fig. 3

Histological examination after application of HUMSC-Exos at injured tendons. A, B Representative H&E staining and Masson staining. C, D Histology score of tendons at 2 and 4 weeks after injury. HUMSC-Exo-treated tendons showed better tendon morphology and density than the sham and fibrin groups. Histological evaluation, the HUMSC-Exo group scores were lower than those of the sham group (n = 6 per group). Scale bar: 100 μm. W: wound region, T: normal region. The yellow dotted line indicates the boundary between the new tendon tissue and normal tissue after injury. ***P < 0.001

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