Cisbio international Launches New HTRF? Cell-Based Assays at SBS

(businesspress24.com) - Company Expands Integration of d2 Acceptor Molecule to Assays in Inflammation and Metabolic Diseases Fields


Seattle, WA, U.S.A. and Bagnols-sur-C?ze, France ? September 19, 2006 ? Cisbio international, a global developer of HTRF? technology and services used in assay development and drug screening, announced the launch of three new HTRF? cell-based assays today at the 2006 SBS conference in Seattle, Washington. Related to important targets in the fields of inflammation and metabolic diseases, the assays for cGMP, PGE2, and cortisol constitute the third product line in Cisbio?s HTRF? portfolio and integrate its proprietary d2 acceptor dye, optimizing assay robustness, performance, and stability.

The first assay is designed for the quantification of cGMP (Cyclic Guanosine 3?, 5?-cyclic monophosphate), addressing the needs of screening targets such as guanylyl cyclases or a number of cGMP-regulated phosphodiesterases (PDEs); the second quantifies PGE2 (Prostaglandin E2), an essential inflammation mediator, either in cell supernatants or directly in the presence of whole cells; the third assay enables rapid and accurate cortisol measurement, even in complex samples such as liver microsomes, whole cells, and animal serum.

Cisbio converted existing cGMP, PGE2, and cortisol assays in its portfolio to a d2-based format to enhance overall performance. As indicated by high z? factors, robustness is increased, the signal to background is enhanced in most cases, and consistent results are produced over several days of assay incubation. The assays take advantage of the extreme flexibility of homogeneous fluorescence: there is no separation, they are non-bead based, highly sensitive, and can be miniaturized down to 1536 format while remaining cost effective. Particularly well-adapted to - and optimized for ? high-throughput screening (HTS), these assays? procedures are rationalized to single-plate and ?mix & measure? modes, can be adapted to cell-based format, and benefit from HTRF? correction for media and compound interference. Furthermore, the conversion of conventional ELISA assays or other heterogeneous formats to these HTRF? assays is straightforward.



Cisbio first introduced the d2 acceptor molecule last year in its IP-One assay and three cAMP assays to optimize its GPCR screening product lines. ?Following IP-One and cAMP, d2 performance now benefits assays in the increasingly important fields of inflammation and metabolic diseases,? said Fran?ois Degorce, head of HTRF? marketing and business development. ?These new assays are testimony to our ongoing commitment to assay development, and to listening to customer feedback and developing products which reflect their needs. As a result, Cisbio is one of the limited number of suppliers who can provide assays with high-throughput and cell-based capabilities.?

PGE2, cortisol and cGMP d2-based assays are related to important targets in the fields of inflammation and metabolic diseases, and CNS disorders. For instance, cortisol is an important indicator of glucose metabolism regulation and relates to obesity, diabetes, and cardiovascular targets. PGE2 quantification has been an indisputable key to the study of COX-1 and COX-2 pathways and shows a renewed interest in downstream targets such as prostaglandin synthases. Finally, cGMP mediates many different cell targets, such as PDEs, which are involved in a large panel of key processes such as smooth muscle relaxation, kidney function, and inflammatory responses.
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About Cisbio international
Cisbio international is a global developer of technologies that are used in assay development and drug screening procedures to enhance drug discovery, specifically in the areas of GPCR and kinase screening. Cisbio pioneered the field of homogenous fluorescence methodologies via its proprietary technology, HTRF?, a highly sensitive, robust technology for the detection of biomolecular interactions and widely used by the pharmaceutical industry for the high throughput screening stage of drug development. Committed to its customers and services, Cisbio offers a technical support staff that is highly involved in in vitro assay design and development, and contributes to in vitro assay adaptation and implementation on screening workstations. Cisbio is also R&D driven to continually meet the technical needs of customers, as well as the existing and future medical concerns of a global patient base. Cisbio international has facilities in France, Bedford, Massachusetts (USA), and Japan. For more information about Cisbio international and HTRF?, log onto www.htrf.com.

Germany, Austria, Switzerland Media Contact:
Ariane Fuechtner
Ballou PR for Cisbio international
+ 49 (0) 30 629 89 756
ariane(at)balloupr.com

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Company: Cisbio International

contact information:
Contact person: Ariane Fuechtner
Town: Berlin
Phone: 030 629 89 756

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