MIR124-1 host gene (MIR124-1HG)

MIR124-1 host gene (MIR124-1HG, also known as Rncr3, LINC00599, and others) is a long non-coding RNA (lncRNA) locus that serves as the host for microRNA miR-124-1. MIR124-1HG is primarily expressed in neural stem/progenitor cells, playing a critical role in neural development by promoting their proliferation and survival while inhibiting premature differentiation. Methylation of MIR124-1HG exons and binding by MeCP2 protein suppress the processing of embedded miR-124a, a highly abundant neuronal miRNA that drives terminal neuronal differentiation. Disruption of MIR124-1HG function or deletion in mice leads to reduced brain size, increased progenitor cell apoptosis, and defective neurogenesis. Dysregulation of this lncRNA has also been linked to cancer (e.g., glioma, prostate cancer) and possibly metabolic diseases. Note: - MIR124-1HG is a regulatory non-coding RNA and not itself a protein-coding therapeutic target such as a receptor, enzyme, or transporter, so it is not conventionally considered a direct therapeutic target. - No approved drugs, biomarkers, or direct mechanisms of action via small molecule or antibody drugs for this lncRNA are currently documented. - Alterations in MIR124-1HG or related pathways may nonetheless provide targets for future therapeutic or diagnostic strategies, especially in neurodevelopmental or neuro-oncological contexts.

Other names

Rncr3neuroLNCretinal non-coding RNA 3neuron-specific nuclear lncRNALINC00599long intergenic non-protein coding RNA 599