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Schematic diagram showing the distances (dashed lines) between human MIR181A1B1 and MIR181A2B2 TSS (bent arrows) and mature miRNA coding sequences (dotted bubbles) and length (double arrow lines) of the pri-miRNAs. Distances are not drawn to scale. Summarized is human NK cell differential regulation of MIR181A1B1 and MIR181A2B2 gene expression in response to developmental signals and immune regulatory cytokines (boxes).
