microRNA-related gene regulation

MicroRNA-related gene regulation is a fundamental biological process in which microRNAs (miRNAs), typically 21–22 nucleotides long, bind to complementary sequences usually in the 3′ untranslated region (3′ UTR) of target mRNAs, leading to mRNA degradation or translational repression[1][5][6]. miRNAs can occasionally bind to other regions, including the 5′ UTR, coding sequences, or promoters, and may even upregulate gene expression in specific contexts[1][3][5]. These regulatory activities are essential for controlling cell fate, development, tissue specification, stress responses, and maintenance of homeostasis[2][6]. Dysregulation of miRNA-mediated gene regulation is implicated in a wide range of diseases, including cancer, neurodegenerative disorders, and cardiovascular disease[5]. Experimental therapies aim to modulate specific miRNAs rather than the regulatory process as a whole. Circulating miRNAs and exosomal miRNAs are being developed as non-invasive biomarkers for disease diagnosis and patient selection[5]. Clarification: Because the entry is a biological process encompassing many molecular entities (miRNAs themselves and their gene targets) rather than a singular target molecule, it does not map directly onto canonical therapeutic target categories like "receptor" or "enzyme," and should not be used as a drug target name for structured data extraction.

Other names

microRNA regulationmiRNA-mediated gene regulationmiRNA regulation

Inhibition of specific microRNAs to relieve gene repression (antagomirs/anti-miRs) - Supplementation with miRNA mimics to restore lost regulatory activity - Activation of gene expression via small activating RNAs targeting gene promoters[5]