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The sequences and biogenesis pathway of mature miR‐149. A, Model for miR‐149 processing: DROSHA cleavages pri‐miRNA into a stem‐loop structural pre‐miRNA, then be transferred to cytoplasm and removes the loop region by DICER, leaving the mature sequence. B, Predicted secondary structure of miR‐149. C, Mature miR‐149 and miR‐149* are 23 and 21 bp separately
