VENLO, The Netherlands, Sept. 22, 2009 (GLOBE NEWSWIRE) -- QIAGEN N.V. (Nasdaq:QGEN) (Frankfurt:QIA) today announced that it has acquired DxS Ltd (DxS), a privately-held developer and manufacturer of companion diagnostic products headquartered in Manchester, United Kingdom. The transaction is valued at approximately US$95 million in cash (subject to customary purchase price adjustments), plus up to an additional US$35 million if specified commercial and other milestones are met.