Fig. 3From: Recent progress in microRNA-based delivery systems for the treatment of human diseasemiRNA. (a) Endogenous miRNA with normal function; (b) miRNA inhibition therapy using miRNA inhibitors, miRNA antagomirs, miRNA masks and miRNA sponges; (c) miRNA replacement therapy using miRNA mimics, miRNA agomirs, miRNA precursors and miRNA-expressing plasmids. The dotted lines represent the modified structure of miRNA antagomirs and miRNA agomirsBack to article page