miRCURY LNA miRNA Custom PCR Assays
For SYBR® Green qPCR-based miRNA quantification using LNA-optimized miRNA PCR primer sets
miRCURY LNA miRNA Custom PCR Assays are Custom-designed miRNA PCR primer sets that enable extremely sensitive and specific miRNA quantification with the miRCURY LNA miRNA PCR System. Both forward and reverse PCR amplification primers are miRNA-specific and are optimized with LNA technology. Each tube contains sufficient assays for 200 reactions.
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miRCURY LNA miRNA Custom PCR Assays are intended for molecular biology applications. These products are not intended for the diagnosis, prevention, or treatment of a disease.
Unmatched sensitivityCompared with other miRNA real-time PCR systems that use either stem-loop or standard DNA primers, the LNA-enhanced primers offer significantly increased sensitivity, especially for AT-rich miRNAs (see figure LNA-enhanced primers result in greatly increased sensitivity compared to DNA primers).
The low sample requirements also enable miRNA quantitation using total RNA purified from difficult samples such as LCM samples and serum/plasma (see figures Detection of differential expression of miRNAs in LCM specimens from FFPE tissue sections and Differences in miRNA expression between serum samples).
Fast, easy and reproducibleThe easy-to-follow, 3-hour protocol saves you both time and effort in the laboratory. By using the same RT reaction as the template in all subsequent PCR reactions, the procedure is greatly simplified compared with systems that require miRNA-specific first-strand synthesis. The number of pipetting steps is reduced to a minimum, and technical variation is minimized. This makes it possible to achieve extremely high reproducibility from day-to-day and even site-to-site.
miRCURY LNA miRNA PCR Assays have been optimized for use with the miRCURY LNA RT Kit and the miRCURY LNA SYBR Green PCR Kit. Use of other reagents will affect the quality of the results.
The design processThe miRCURY LNA miRNA Custom PCR Assay design tool lets you easily design highly sensitive and specific LNA-enhanced PCR primer sets for any miRNA not available as a predesigned product. The advanced algorithm evaluates approximately 3,000 primer pair designs based on more than 60 different criteria to find LNA optimal primer sets for your miRNA within a few minutes. The tool has been designed for miRNAs but can also be used for other small RNAs 14–27 nucleotides in length.
The design criteria include:
A unique system for miRNA profilingmiRCURY LNA miRNA PCR Assays offer the best combination of performance and ease-of-use available on the miRNA real-time PCR market by combining universal RT with LNA PCR amplification (see figure Schematic outline of the miRCURY LNA miRNA PCR System). Universal RT makes it possible to use one first-strand cDNA synthesis reaction as the template for multiple miRNA real-time PCR assays. This saves precious samples, reduces technical variation and saves time in the laboratory. Plus, both the forward and reverse PCR amplification primers are miRNA specific and optimized with LNA. This provides 1) exceptional sensitivity and extremely low background, enabling accurate quantitation of very low miRNA levels and 2) highly specific assays that allow discrimination between closely related miRNA sequences.
CoverageOver 20,000 assays are available covering all organisms in miRBase 20. Over 1,400 assays are fully wet-lab validated for sensitivity, specificity, efficiency and background on both synthetic as well as different biological samples. The remaining assays are in silico-validated using a comprehensive design algorithm that ensures high-quality, species-specific, LNA-enhanced assays with optimal sensitivity and specificity within each organism. This means that several different assays may target the same sequence. Ultimately, the assay for each species is selected based on the genetic background of the organism. If you are working with novel miRNAs, such as from an NGS experiment, custom-designed LNA miRNA primer sets for any miRNA are also available.
The miRCURY LNA miRNA PCR Assay system is an miRNA-specific, LNA-based system designed for sensitive and accurate detection of miRNA by quantitative real-time PCR using SYBR Green. The first step of the procedure is universal reverse transcription, followed by real-time PCR amplification with LNA-enhanced primers (see figure miRCURY LNA miRNA PCR System at a glance).
miRCURY LNA miRNA PCR Assays are used as part of the miRCURY LNA miRNA PCR System for:
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