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Cord Blood Produces Embryonic-Like Stem Cells.
Using umbilical cord blood, researchers in Texas and Britain have produced embryonic-like cells that can transform into cells from different parts of the body. Derived without harming a human being, these versatile cells could potentially be used to treat conditions that some had insisted could only be helped by killing embryos for their stem cells.
The scientists, working together in a trans-Atlantic study, published their findings in the August issue of Cell Proliferation. They developed techniques to remove mature cells from umbilical cord blood, isolating a few cells called cord blood-derived embryonic-like cells (CBEs), according to the Houston Chronicle.
They then used a bioreactor, a device originally developed for NASA to simulate weightlessness, to multiply the CBEs 168-fold, the Chronicle reported. The cells then began to differentiate. The researchers have been able to grow liver, brain, and pancreatic cells so far.
"We're not sure why these stem cells exist in umbilical cord blood, or whether they circulate in everyone," Dr. Randall Urban, research team member and University of Texas Medical Branch at Galveston endocrinologist, told the Chronicle. "We just know this is the first time they've been shown to possess characteristics identical to embryonic stem cells."
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Source: HighBeam Research, Cord Blood Produces Embryonic-Like Stem Cells.