Mir-192/215 microRNA precursor
The miR-192 microRNA precursor (homologous to miR-215), is a short non-coding RNA gene involved in gene regulation. miR-192 and miR-215 have now been predicted or experimentally confirmed in mouse and human.[1][2]
microRNAs are transcribed as ~70 nucleotide precursors and subsequently processed by the Dicer enzyme to give a ~22 nucleotide product. In this case the mature sequence comes from the 5' arm of the precursor. The mature products are thought to have regulatory roles through complementarity to mRNA.[3]
mir-192 and mir-215 are overexpressed in gastric cancer, and could be used as biomarkers or therapeutic targets.[4] It has also been suggested that mir-192 could be used as a biomarker for drug-induced liver damage.[5]
miR-215 and miR-192 are also both implicated in major depressive disorder. Small-RNA sequencing reveals upregulated expression for both miR-215 and miR-192 in the synaptosomes derived from the dorsolateral prefrontal cortex of MDD subjects.[6]
References
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