DICER1 and neoplasm: miRNA processing-related lncRNA NR_034085 (MPRL) is a lncRNA, located on the human chromosome 5 and consisting of an exon with a total length of 2869 nt, involved in miRNA processing because of its DICER-inhibiting activity; it is transactivated by E2F1 transcription factor and has a putative tumor-suppressor activity.