miR-125a-3p and miR-483-5p regulate RhoA/ROCK1/ERK1/2 signaling and promote mouse de novo adipogenesis. hADSCs were transfected with a lentiviral vector containing pre-miRs of miR-125a (LV-miR-125a), miR-483 (LV-miR-483), or negative control miR (LV-NC) and transplanted to the back subcutaneous tissues of nude mice with the transfected hADSCs or non-tranfected hADSC as control group (Con) or injection of PBS. After 5 weeks of self-differentiation, ( A ) De novo adipose tissue formation was observed (n = 5); ( B ) The weights of the de novo adipose tissues were measured (n = 5); ( C ) The expression levels of miR-125a-3p/5p and miR-483-3p/5p in de novo adipose tissue were detected by real-time PCR (n = 5); ( D ) The de novo adipose tissue was stained to observe the histology (n = 5); ( E ) Adipoctye size were analyzed by ImageJ software ( F ) The protein expression levels of RhoA, ROCK1, total ERK1/2 (T-EKR1/2), and phosphorylated ERK1/2 (T-p-EKR1/2) were analyzed by western blot; and ( G ) Total nuclear ERK1/2 (n-T-ERK1/2) and p-ERK1/2 (n-p-ERK1/2) were analyzed by western blot. All measurements were preformed by three independent experiments. *p
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