Rat MSCs have the ability to differentiate and skew their phenotype towards smooth and striated muscles, as demonstrated by SMA up-regulation and desmin expression. Periurethral injection of MSCs in an animal model of SUI restored the damaged external urethral sphincter and significantly improved VLPP.

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Bladder urine transforming growth factor-beta1 changes through time are associated with similar changes in hydronephrosis grade. Bladder urine transforming growth factor-beta1 in the first 3 months of life can predict the need for surgery in newborns with prenatal hydronephrosis.