U.S. scientists reacted with dismay to Monday's decision by a U.S. judge to halt any expansion of stem cell research using federal funds.
The temporary injunction, which basically blindsided the scientific community, effectively takes embryonic stem cell research back to the pre-2001 days. That was when then-President George W. Bush ordered that federal monies could only be used to fund research involving embryonic stem cell lines created before 2001.
Late Tuesday, however, the Obama administration, which had issued an executive order overturning the Bush order, said the Justice Department later this week would appeal the judge's order.
Read more: Obama to Appeal Stem Cell Ruling