HDAC3 siRNA duplex (Guangzhou RiboBio Co., Ltd.) or RGFP966 (Selleck Chemicals Co., Ltd.) was used to interfere with endogenous HDAC3 mRNA levels. siRNA was performed with siRNA transfection reagent (Guangzhou RiboBio Co., Ltd.) as we have described in detail previously (Zhang et al., 2017 (link)). Cells were incubated in 6-well culture microplates at 37°C with antibiotic-free medium containing 10 μM RGFP966. After 24 h, the expression of AQP4 mRNA and protein, and miR-130a levels were investigated by the above methods. Untreated cells and non-specific siRNA (scrambled siRNA; Guangzhou RiboBio Co., Ltd.) were used as controls. This experiment was repeated three times and performed in duplicate.
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