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Model of miR-21 network and feedback regulation. Maturation of miR-21 from pri-miR-21 is shown in the center of the model. miR-21 direct target genes are depicted on blue background. Genes shown on green background are regulated (probably indirectly) by miR-21 and are involved in miR-21 processing from pri-miR-21 to pre-miR-21.
