Multiple gene transcripts regulated by microRNA-1a

Multiple gene transcripts regulated by microRNA-1a" refers to a collection of diverse mRNA targets bound and repressed by miR-1a, a muscle-specific microRNA, rather than a single defined molecule or receptor. miR-1a typically binds imperfectly to the 3' UTR of these target mRNAs via its seed sequence, recruiting the RNA-induced silencing complex (RISC) to inhibit translation initiation, promote deadenylation, decapping, and eventual mRNA degradation. This posttranscriptional repression fine-tunes gene expression in processes like cell differentiation, proliferation, and response to stress, with mechanisms varying by promoter context (e.g., initiation block for SV40-driven transcripts or postinitiation for others). The targets are not a specific therapeutic entity like a receptor or enzyme but a heterogeneous group, making direct drug targeting impractical; instead, miR-1a mimics or antagomirs modulate their collective regulation. No canonical drugs interact directly with this non-specific set, and disease roles are indirect via miR-1a dysregulation in contexts like cancer or cardiac conditions, though not as a singular target. This phrasing is overly vague and non-standard for biotech target profiling, as it lacks a discrete molecular identity.

Other names

miR-1a target genesmiR-1a-regulated mRNAs