Sirtris, Helicos file IPOs

Sirtris Pharmaceuticals has filed a $60 million IPO with the SEC. Sirtris is testing a "resveratrol-based" drug against diabetes. Resveratrol recently gained attention when several studies suggested that the compound, which is found in red wine, can be used to counter the ailments associated with age and obesity. The number of shares to be offered and the price range for the offering have not yet been determined.

- check out Sirtris' press release

PLUS: Helicos BioSciences has filed a $100 million IPO. Helicos is developing genetic analysis technologies for the research, drug discovery and clinical diagnostics markets. Release

ALSO: Canada's OncoGenex has cut its planned initial public offering to $7.50 to $8.50 per share from a previous range of $10 to $12. Release

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