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ARYx Therapeutics Inc. Updates Progress With Tecarfarin EmbraceAC Study
ARYx Therapeutics Inc. (NASDAQ:ARYX), a biopharmaceutical company, announced today that the database for the EmbraceAC study has been locked and the study remains on schedule, with the efficacy and safety results to be available during the week of July 6, 2009. The study was designed to compare its oral anticoagulation therapy, tecarfarin (previously ATI-5923), against the leading anticoagulant agent, warfarin. The purpose of the trial is to evaluate whether tecarfarin is superior to warfarin in its ability to maintain patients within a target therapeutic range of the level of anticoagulation as measured by INR (International Normalized Ratio). Based upon recent interactions with the U. S. Food and Drug Administration (FDA), ARYx believes this trial could be positioned as one of the required registration studies for tecarfarin.
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P[acman]-Generated Fruit Fly Gene 'Library': A New Research Tool

Using a specially adapted tool called P[acman], a collaboration of researchers led by Baylor College of Medicine has established a library of clones that cover most of the genome of Drosophila melanogaster (fruit fly) and should speed the pace of genetic research. In a report in the current online issue of the journal Nature Methods, Dr. Hugo Bellen, a professor of molecular and human genetics at BCM and a Howard Hughes Medical Institute investigator, and his colleagues describe the new libraries. P[acman] - developed by Dr. Koen Venken in Bellen"s laboratory - allows scientists to study large chunks of DNA in living flies. The vector - officially P/phiC31 artificial chromosome for manipulation - combines different technologies: a specially designed bacterial artificial chromosome (BAC) that allows maintenance of large pieces of DNA in bacteria, recombineering that allows the manipulation of large pieces of DNA in bacteria, and the ability to insert the genomic DNA into the genome of the fly at a specific site using phiC31-mediated transgenesis. Venken adapted the P[acman] vector to create genomic libraries, so that a researcher can choose a gene and find the corresponding clones in the library that cover that gene. Their collaborators at Lawrence Berkeley National Laboratory, Drs. Roger Hoskins and Joseph Carlson, played a key role in the design, construction, and annotation of the libraries. "You can insert a single copy of a gene and rescue a mutation, or do a structure/function analysis of the gene," Bellen said. "If you don"t know where the gene is expressed, you can tag it, put it back and locate where it is expressed." The library is available at http://pacmanfly.org/. The report is available at http://www.nature.com/nmeth/index.html Others who took part in this work include Karen L. Schulze, Hongling Pan and Yuchun He of BCM, Ken Wan (LBNL), Rebecca Spokony and Kevin P. White of the University of Chicago, and Maxim Koriabine and Pieter J. de Jong of Children"s Hospital Oakland Research Institute in California. Funding for this work came from the Howard Hughes Medical Institute, the National Institutes of Health and the BCM Intellectual and Developmental Disabilities Research Center. Glenna Picton Baylor College of Medicine


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