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Phylonix awarded National Science Foundation Phase II SBIR for zebrafish screening

Cambridge, MA December 12, 2006 Phylonix Pharmaceuticals, Inc. today announced it has received a $500,000 Phase II Small Business Innovation Grant (SBIR) from the National Science Foundation to assess potential toxic effects of chemicals on the development of human organs and tissues using a panel of assays performed in zebrafish.

"This award validates the importance of zebrafish as a predictive model for assessing toxic effects of environmental contaminants on mammalian development," commented Patricia McGrath, Phylonix President and Chief Executive Officer. "Our preliminary data show a striking correlation between results in zebrafish and results in mammals."

All essential components of vertebrate form and organ development are mimicked in the transparent zebrafish and their molecular basis is either identical or similar, underscoring the potential for use in research on human developmental toxicity. "Using our comprehensive ZETAXTM panel of assays, effects on morphology, organ development, neurons and cell death can easily be assessed in the transparent animal. Compounds are added directly to the fish water and results are assessed in 4 to 7 days. Endpoints can be quantitated using comparatively high through-put scanning image analysis or microplate formats," McGrath continued.

Currently, 85,000 industrial chemicals are manufactured each year in the United States and 2,000 to 3,000 new chemicals are registered for production. However, there is little or no toxicity data for more than 70% of these chemicals. The lack of efficient in vivo screening assays contributes to the lack of knowledge about short and long-term chemical effects on development. Pesticides are of particular concern, since they are designed to be toxic to insects and they can have deleterious effects on other species.

Historically, zebrafish have been used in a variety of applications to assess environmental toxicity, including directly monitoring w
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Contact: Patricia McGrath
pat@phylonix.com
617-441-6700 x301
Phylonix
12-Dec-2006


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