Covaris Introduces Novel FFPE DNA Extraction Kit at AGBT 2013
26 Feb 2013

Covaris, Inc. introduced the single-tube FFPE DNA Extraction Kit at the 2013 Advances in Genome Biology and Technology (AGBT) meeting held recently in Marco Island, Florida. This newest innovation from Covaris provides an optimized reagent and protocol for high-yield DNA extraction from Formalin-Fixed, Paraffin Embedded (FFPE) tissue samples. Adaptive Focused Acoustic™ (AFA) Technology is used to emulsify and separate the paraffin, while simultaneously re-hydrating the tissue sample in an aqueous solution within a few minutes. Covaris Focused-ultrasonicators enable the purely mechanical processing of the samples, eliminating the need for organic solvents. Large Molecular Weight DNA is efficiently extracted from FFPE samples, with greater yield when compared to organic extraction with other commercially available kits. The AFA-based kit brings standardization to a previously uncontrolled pre-analytical preparatory step.

The FFPE Nucleic Acid Extraction Kit utilizes AFA Technology, the standard method for DNA fragmentation for Next Generation Sequencing (NGS). An optional DNA fragmentation step can be included in the workflow to precisely size the DNA for applications requiring short DNA fragments, such as NGS – all in the same tube. This optional integrated single-tube DNA Shearing streamlines the sample preparation workflow, while also doubling total DNA yield when compared to extraction without fragmentation.

FFPE is a widely used method for archiving tissue specimens; especially clinical samples. Extraction of DNA or RNA from FFPE tissue has traditionally been a challenge as it requires removing the paraffin, rehydrating the sample, and reversing the formaldehyde cross-links, which results in low yields and poor quality of nucleic acid samples. Additionally, the traditionalextraction processes require the use of hazardous or difficult-to-handle solvents. Archived FFPE tissues are a rich resource for studying gene variations or gene expression profile changes. This trend has been growing with the continued advances in the fields of genomics and trancriptomics.These new applications benefit from the high-quality starting material and improved workflow provided by the Covaris FFPE DNA Extraction Kit.

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Sarah Thomas
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