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Fluorescent dyes based on the pyrenyloxytrisulfonic acid (Cascade Blue) structure were prepared and evaluated. The dyes contain functional groups that react with amines, thiols, acids, aldehydes, and ketones, forming covalently bonded, fluorescent derivatives of molecules with broad biological interest. Reactive groups in the Cascade Blue dyes include(More)
A series of chemically reactive, fluorescent rhodol derivatives was prepared and evaluated. Reactive functional groups included activated esters, amines, haloacetamides, fixable hydrazide derivatives, acrylamides, and photoaffinity reagents. Depending on the choice of substituents, absorption maxima of the dyes varied from 490 to 550 nm with extinction(More)
Techniques were developed for genetic characterization of Legionella pneumophila serogroup 1 by using restriction fragment length polymorphism analysis. Allozyme analysis provided an index of the discrimination achieved by restriction fragment length polymorphism. Isolates from human cases of legionellosis were examined by both methods, and their profiles(More)
There is a pressing and continued need for improved predictive power in preclinical pharmaceutical toxicology assessment as substantial numbers of drugs are still removed from the market, or from late-stage development, because of unanticipated issues of toxicity. In recent years a number of consortia have been formed with a view to integrating -omics(More)
A serious bottleneck in the drug development pipeline is the inability of current pre-clinical toxicology evaluation methods to predict early on, and with good accuracy, that a drug candidate will have to be removed from development due to toxicology/safety issues. The InnoMed PredTox consortium attempted to address this issue by assessing the value of(More)
Mediator-associated kinases CDK8/19 are context-dependent drivers or suppressors of tumorigenesis. Their inhibition is predicted to have pleiotropic effects, but it is unclear whether this will impact on the clinical utility of CDK8/19 inhibitors. We discovered two series of potent chemical probes with high selectivity for CDK8/19. Despite pharmacodynamic(More)
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