microRNA 1251 (miR-1251)

microRNA 1251 (miR-1251) is a member of the microRNA 125 family, functioning as a small non-coding RNA molecule that regulates gene expression primarily at the post-transcriptional level. Through binding to target messenger RNA (mRNA), miR-1251 can induce translational repression or mRNA degradation, thereby modulating various biological processes such as cell proliferation, apoptosis, immune cell differentiation, and response to pathogens[1][2]. The miR-125 family, including miR-1251, has been implicated in both tumor suppression and promotion depending on disease and cellular context, making it relevant as both a biomarker and a potential therapeutic target, although no approved drugs directly target miR-1251 at this time. The dual ability to act positively or negatively in disease settings and the diversity of its gene targets are crucial considerations in therapeutic development and safety[1]. Notes: - The information for microRNA 1251 specifically is somewhat sparse; most published research and reviews discuss the miR-125 family as a whole (including miR-125a and miR-125b), with significant disease and cellular context implications[1]. For maximum accuracy and clinical use, separate validation for miR-1251 versus its more studied family members is recommended. - Mechanisms, functions, and disease roles extrapolated here reflect the current understanding of the miR-125 family unless explicitly stated otherwise.

Other names

hsa-mir-1251MIRN1251MIR1251

Gene silencing via mRNA degradation or translational repression Negative regulation of target genes (such as BCL2, MMPs, ERBB2 pathway members, etc.)[1][2]