CIMmultus Oligo dT Affinity Column Based Extraction of mRNA From IVT Mixtures

The increasing demand for messenger RNA (mRNA) as a therapeutic product requires larger production scales and more efficient extraction techniques. In this poster, fast and efficient way to purify poly-adenylated mRNA using affinity chromatography on CIMmultus Oligo dT column is presented.

The poly-adenylated tail of mRNA interacts with covalently bound oligo dT ligands in high-salt loading conditions, where electrostatic repulsion between negatively charged backbones of both, mRNA and oligo dT, are reduced and H-bonding in T-A base pair is emphasized. High salt concentration additionally screens out attractive electrostatic interactions between mRNA and other components in the process sample, thus facilitating aggregate reduction in purified product.

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