The invention refers to a method for modulating the differentiation of cells, comprising contacting said cells with one or more RNA sequences corresponding substantially to the RNA sequences of the miRNAs selected from the group consisting of miR-10a, miR-23a, miR-23b, miR-24, miR-29a, miR-29b, miR-29c, miR-99a, miR-125a-5p, miR-125b, miR-142-3p, miR-142-5p, miR-146a, miR-146b-5p, miR-191, miR-425, miR-484, miR-551b or the complement sequence thereof.