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Obama to Reverse Limits on Stem Cell Work

WASHINGTON – President Barack Obama is expected to sign an executive order on Monday reversing restrictions on federal funding of embryonic stem cell research. The long-expected move is likely to stir up not only the promise of scientific breakthrough but also the controversy over where government crosses a moral line.

Obama will hold an event at the White House to announce the move, a senior administration official said Friday. The official spoke on condition of anonymity because the policy had not yet been publicly announced.

Under President George W. Bush, federal money for research on human embryonic stems cells was limited to those stem cell lines that were created before Aug. 9, 2001. No federal dollars could be used on research with cell lines from embryos destroyed from that point forward.

Obama’s move is expected to lift that restriction. The official said the aim of the policy is restore “scientific integrity” to the process.

Embryonic stem cells are master cells that can morph into any cell of the body. Scientists hope to harness them so they can create replacement tissues to treat a variety of diseases — such as new insulin-producing cells for diabetics or new nerve connections to restore movement after spinal injury.

“I feel vindicated after eight years of struggle, and I know it’s going to energize my research team,” said Dr. George Daley of the Harvard Stem Cell Institute and Children’s Hospital of Boston, a leading stem cell researcher.

Such research is controversial because embryos must be destroyed to obtain the cells; they typically are culled from fertility-clinic leftovers otherwise destined to be thrown away. Once a group of stem cells is culled, it can be kept alive and propagating in lab dishes for years.