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Product Watch: May 12, 2010


Qiagen this week launched several assays for miRNA research, gene silencing, and DNA methylation analysis.

The new PyroMark CpG assays enable high-resolution methylation analysis of specific genomic targets. Using pyrosequencing, consecutive methylation sites can be analyzed independently and quantitative methylation data can be obtained quickly and conveniently, Qiagen said.

Specifically, PyroMark custom assays are customer-designed and can be used for any type of pyrosequencing research application, such as epigenetics, genotyping, microbial identification, and resistance typing. By designating PCR and sequencing primers, the researcher can generate optimized, user-specific assays to determine methylation patterns, insertion/deletion frequency, or other mutations.

In addition, the PyroMark OneStep RT-PCR kit is a one-step kit for identifying and resistance typing RNA viruses using pyrosequencing. The kit generates a high-quality sequencing template in the quantities needed for sensitive mutation and microbial analysis, Qiagen said.

Qiagen also launched the miScript Target Protector assay for revealing the targets and roles of specific miRNAs; and the FlexiTube siRNA premix, which contains siRNA and a transfection reagent premixed at optimized ratios.

Lucigen this week announced the availability of its PyroScript RT-PCR master mix kit, which contains a novel enzyme in a 2X master mix that performs both reverse transcription and PCR.

The thermostable enzyme allows RT-PCR at temperatures higher than 70°C with no need for a separate reverse transcription step. Amplification of viral and cellular RNA up to 400 bp in length can be performed in 30 minutes. Results can be analyzed using real-time or end-point methods, Lucigen said.

Biohit, the US subsidiary of Finland's Biohit Oyj, last week launched the mLINE PCR starter kit.

The kit includes three pipettes covering the standard volumes used in PCR along with sterile and certified SafetySpace filter tips, which guarantee contamination-free and safe pipetting, Biohit said.

The kit also includes a pipette holder, color-coded caps, microtube opener/calibration tool, cooling rack, cryo pen, and literature.

The Scan

Study Tracks Off-Target Gene Edits Linked to Epigenetic Features

Using machine learning, researchers characterize in BMC Genomics the potential off-target effects of 19 computed or experimentally determined epigenetic features during CRISPR-Cas9 editing.

Coronary Artery Disease Risk Loci, Candidate Genes Identified in GWAS Meta-Analysis

A GWAS in Nature Genetics of nearly 1.4 million coronary artery disease cases and controls focused in on more than 200 candidate causal genes, including the cell motility-related myosin gene MYO9B.

Multiple Sclerosis Contributors Found in Proteome-Wide Association Study

With a combination of genome-wide association and brain proteome data, researchers in the Annals of Clinical and Translational Neurology tracked down dozens of potential multiple sclerosis risk proteins.

Quality Improvement Study Compares Molecular Tumor Boards, Central Consensus Recommendations

With 50 simulated cancer cases, researchers in JAMA Network Open compared molecular tumor board recommendations with central consensus plans at a dozen centers in Japan.