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Sigma® Life Science and King's College London Co-Developing miRNA Target Identification Technology
Date:5/5/2011

ST. LOUIS, Mo., May 5, 2011 /PRNewswire/ -- Sigma Life Science, the innovative biological products and services research business of Sigma-Aldrich® (Nasdaq:  SIAL), and King's College London, today announced an exclusive license to develop and commercialize new technology for the identification and validation of microRNA (miRNA) targets in research and clinical diagnostics. For more detailed information, visit www.wherebiobegins.com/targetid.

miRNAs function as critical regulators of gene expression in eukaryotic cells, with more than 1,000 different miRNAs in the human genome already known to play multiple roles in gene regulation. Although the specific targets of most miRNAs are largely unknown, aberrant expression of miRNAs has been implicated in numerous disease states, making them important targets for clinical research in oncology, wound healing and infectious disease.

Currently, identification of miRNA targets is laborious and inefficient, relying on computer algorithms and subsequent validation by in vitro assays. To overcome this research bottleneck, scientists in the Division of Cancer Studies at King's have developed a technology allowing simple, accurate identification and validation of miRNA targets. Dr. Joop Gaken, lead researcher of this project, explained, "The role of miRNAs in cancer is well established, and several miRNAs clearly function as either oncogenes or tumor suppressor genes, although the target genes are unknown in the majority of cases. This new test is expected to enable the straightforward identification of target genes that are strongly regulated by a given miRNA, helping to elucidate important gene regulation events in vivo."

"miRNA research is a rapidly growing field, and this test is expected to be an invaluable asset to commercial and academic researchers working with miRNAs," said Steven Suchyta, Market Segment Manager at Sigma-
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