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. 2020 Oct 29;11(10):931. doi: 10.1038/s41419-020-03132-2

Fig. 6. TGF-β1/miR-200b/c-3p/RAC1 axis regulates intercellular adhesion.

Fig. 6

a HaCaT cells were transfected with RNA inhibitors as indicated and allowed to grow to confluent. E-cadherin protein was shown by immunofluorescence staining (green). Inhibition of miR-200b/c-3p led to dissociation of adherens junction as shown by loss of E-cadherin indicated by immunofluorescence average integrated optical intensity (IOD) (n = 12). b HaCaT cells transfected with RNA duplexes as indicated were fixed at 24 h post TGF-β1 treatment. Overexpression of miR-200b/c-3p or repression of RAC1 maintained the expression of E-cadherin (n = 12). c HaCaT cells were transfected with RNA duplexes as indicated and confluent cells were scratch wounded and treated with TGF-β1 for 24 h. Wound edge cells loss E-cadherin. Overexpression of miR-200b/c-3p or repression of RAC1 maintained the expression of E-cadherin (n = 12). Data presented as mean ± SD. **P < 0.01 versus negative control, one-way ANOVA. Scale bars: 25 μm.