November 30, 2007

Stem-Cell Advances Could Speed Research

By RICHARD MONASTERSKY

Two teams of scientists reported last week that they had developed lines of human stem cells almost identical to embryonic ones, using a procedure that does not involve destroying actual embryos, an advance that could accelerate research into therapies based on stem cells, they said.

Scientists predicted that the new technique would not immediately replace work with embryonic stem cells but that it could do so over time if experiments with these types of cells prove promising. "This

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