Link Technologies Reveals Latest Trends in Nucleotide Innovation

Increase in demand for vitamin-modified oligos to improve nucleotide drug delivery
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* Link Technologies

* Science

* Southampton - Hampshire - England

Dec. 14, 2012 - PRLog -- As a certified specialist in the provision of phosphoramidites and reagents for oligo synthesis, both direct to research groups and to oligo manufacturers, Link Technologies Ltd ( has observed a significant increase in requests for vitamin-modified oligo precursors, following on from the increasing use of vitamin-modified oligonucleotides in life science research. The growing interest in such compounds is reflective of the current buzz that surrounds research into the enhanced targeting and delivery of nucleotide-based treatments. Such research is vital for the therapeutic industry, wherein accurate targeting and effective uptake of pharmaceutical compounds is essential, not only for positive medicinal value but also to avoid undesirable, potentially dangerous side effects.

For example, researchers have recently highlighted the value of utilising vitamin-modified oligonucleotides, such as those containing tocopherol1, to facilitate oligonucleotide transport across cell membranes. The sourcing of reliable and pure modified phosphoramidite precursors for oligo synthesis will prove an important step in the production of such therapeutics, for use in gene therapy, RNA-induced gene silencing and further academic research.

The rise in demand for modified oligos is not only concurrent with the wealth of research in the drug delivery sector, but also with the progression of promising early-stage drug development into phased clinical trials. Such commercial progressions are utilising increasing quantities of these chemically-altered oligos and, as such, Link Technologies has witnessed a rise in order quantities of the constituent modified phosphoramidites, to the scale of kilogram and beyond.

Dr Catherine McKeen, Technical Manager at Link Technologies, commented: “As a company dedicated to the provision of quality molecular tools, Link Technologies has the expertise and capacity to rapidly upgrade a product from small scale generation to production in kilogram quantities, as and when commercial progression dictates. Link Technologies can uniquely offer researchers supply and support throughout the entire research and testing lifetime of a Link product, omitting the need to change suppliers and thus eliminating any associated risk with product variation.”

The range of phosphoramidite modifications available is large and growing, fuelled in part by the extensive research and optimisation programs being undertaken at suppliers such as Link Technologies. With over 20 years’ experience in the manufacture of modified phosphoramidites and solid supports, Link Technologies continues to build good relationships with Contract Manufacturing Organisations (CMOs); partnering and providing expertise for the product journey, from research compound to commercial reagent. This proactive approach not only assists the development of the chemical process but also allows Link Technologies to recognise and react to early indicators of future product demand, ensuring that they remain on top of trends to meet research needs.

For more information please visit the Link Technologies website at or follow us on Twitter: @linktechdna (!/linktechdna).

1. K. Nishina, T. Unno, Y. Uno, T. Kubodera, T. Kanouchi, H. Mizusawa and T. Yokota, Molecular Therapy, 16, 734-740, 2008 (
Source:Link Technologies
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