05/15/2009 05:12 am ET Updated May 25, 2011

Induced Pluripotent, AL GORE Stem Cell Venture

Former vice president Al Gore is entering the stem cell arena with an announcement today of a $20 million biotech venture in the hot area of "induced pluripotent" stem cells.

Induced cells are attracting interest from researchers and biotech firms as an alternative to embryonic stem cells. Induced cells are made by inserting four genes into ordinary skin cells, and they offer a new path for "regenerative" medical treatments.

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