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microRNA Mimics and Inhibitors

Trusted reagents for interrogating miRNA function across a wide range of experimental designs

Modulation of microRNA (miRNA) levels is a fundamental approach for understanding miRNA function and the pathways in which they are involved. Dharmacon™ reagents offer both synthetic and lentiviral miRNA mimic, and synthetic inhibitor reagents for every mature human, mouse, and rat miRNA in the miRBase database 21.0. With comprehensive genome-wide coverage and flexible format options, researchers can confidently interrogate any miRNA target from single-gene studies to large-scale functional screens.

microRNA Mimics and Inhibitors

Why choose Dharmacon™ miRNA reagents?

  • Comprehensive coverage

    reagents available for every mature human, mouse, and rat miRNA in the miRBase database 21.0

  • Functional enhancement and loss-of-function

    study endogenous microRNA functional activity with microRNA inhibitors or mimics

  • Proprietary chemical modifications

    ensures correct strand loading into RISC and enhanced potency with minimal toxicity

  • Lentiviral options available

    shMIMIC lentiviral miRNA for exogenously introduced miRNA expression with flexible promoter and reporter options

  • Inducible expression

    shMIMIC inducible format featuring Tet-On® 3G technology for inducible, controlled miRNA expression

  • Custom solutions

    modify existing reagents, target novel microRNAs, or design a custom miRNA screening library

microRNA mimics

miRNA mimics are designed to mimic endogenous miRNA activity and are used in functional enhancement experiments.

  • miRIDIAN microRNA mimics are synthetic double-stranded miRNA reagents in which one strand represents the mature miRNA. A proprietary chemical modification ensures that only the desired mature strand is loaded into RISC. miRIDIAN microRNA mimics require delivery into cells using standard methods such as transfection reagents or electroporation.
  • shMIMIC lentiviral microRNA reagents are lentiviral vector reagents encoding native microRNA sequences for stable, exogenous microRNA expression. Based on the patented flexible promoter and reporter system of the Dharmacon SMARTvector lentiviral backbone, shMIMICs are optimized for functional expression and designed to ensure strand bias, loading only the specific targeting strand representing the mature miRNA sequence. Also available in an inducible format featuring Tet-On® 3G technology for reversible, controlled expression.
SMARTvector ShRNA Vector Diagram image

microRNA inhibitors

miRNA inhibitors are designed to suppress endogenous miRNA activity and are used in loss-of-function experiments.

  • miRIDIAN microRNA hairpin inhibitors are synthetic single-stranded RNA molecules that inhibit endogenous miRNA activity. A proprietary combination of chemical modifications and a novel secondary structure motif delivers enhanced potency and longevity, enabling multiplexed miRNA inhibition at low nanomolar concentrations with minimal toxicity.

Additional resources

Get your siRNA right from the start: The essential resuspension protocol

Follow this step-by-step protocol to achieve accurate concentrations, preserve siRNA integrity, and set your gene silencing studies up for reproducible results.

Find the right miRNA tool for your research

From synthetic mimics and hairpin inhibitors to lentiviral delivery and whole-genome libraries, use this quick selection guide to identify the best Dharmacon miRNA reagent for your studies.

Need help choosing the right miRNA reagent?

Contact us