- Simple – streamlined protocol for straightforward validation of RNA extraction and determination of RT-qPCR assay inhibition
- Sensitive – control assay identifies even small effects on RNA extraction and inhibition of amplification
- Optimized - control RNA has a sequence with no known homology to any organism thereby avoiding detection of sample RNA
- Specific – probe-based assay designed specifically for the REC control sequence
- Flexible – ideal for use with a wide range of sample types, including inhibitor-rich samples like blood, urine and sputum samples
A common practice in qPCR is to add a known amount of spiked control RNA after RNA extraction, this monitors PCR inhibition but has no value as an extraction control. The ideal situation is to have the test sample and internal control undergo the same processing prior to qPCR. Bioline has developed a RNA Extraction Control (REC), which more closely mimics the test sample, as compared to spike controls. Genetic material from the test sample and the REC is simultaneously extracted by common extraction methods, with the extraction control being as sensitive to inhibition and extraction failure as the test sample.
Artificial REC cells are of a known concentration, containing the Internal Control RNA sequence. This sequence contains no known homology to any organism and, importantly, has minimal interference with detection of sample RNA. The REC cells are spiked into the lysis buffer with the target sample, prior to RNA extraction. Control Mix, which includes primers and probe, is then added to the reaction mix before amplification. Signal derived from the Internal Control RNA confirms the success of the extraction step. REC also monitors co-purification of PCR inhibitors that may cause biased or false amplification patterns.
- Pathogen detection
- Cancer risk assessment
- Gene expression analysis
- Copy number variation (CNV) analysis
- Viral loading
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DNA Extraction Control 610 is suitable for use with commercially available silica-membrane DNA extraction kits and CHELEX matrices and has been tested on a wide range of qPCR platforms including ABI-7500, LightCycler 480®, RotorGene-Q™, Mic and MX3005P®.
DNA Extraction Control 610 uses Cal Fluor® Red 610 and is also available with Quasar®670 or Cal Fluor® Orange 560, to fit in with existing protocols. CAL Fluor and Quasar dyes are performance-optimized fluorophores for multiplex qPCR.
Certification of Analysis (COAs)
Internal Control RNA
5 x 200 µL
25 x Control Mix
5 x 100 µL
Storage & Stability
All kit components should be stored at -80°C upon receipt. When stored under the recommended conditions and handled correctly, full activity of the kit is retained until the expiry date on the outer box label.
RNA Extraction Control 610 is shipped on dry/blue ice