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Exos-26a promoted spinal cord injury repair via the PTEN-AKT-mTOR pathway. a Diagram of the mechanism underlying the effect of Exos-26a via the PTEN-AKT-mTOR pathway. b, c Representative images of western blots used to analyze the expression of PETN-AKT-mTOR pathway-related proteins and semiquantification of the data. *P < 0.05, **P < 0.01, and ***P < 0.001 compared with the control group by t test or ANOVA. #P < 0.05 compared with the Exos group by t test. n = 3 for each group
