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20fc7c0d54af13701518f5e656a039b31
2008-03-24 11:05:00

M. D. Anderson team connects REST to regenerative medicine, pediatric brain cancerA protein known as REST blocks the expression of a microRNA that prevents embryonic stem cells from reproducing themselves and causes them to differentiate into specific cell types, scientists at The University of Texas M. D. Anderson Cancer Center report in the journal Nature. Researchers show RE1-silencing transcription factor (REST) plays a dual role in embryonic stem cells, said senior author Sadhan...

7e0615af5d0ec947b42259fd706291901
2005-09-08 14:50:00

What exactly makes a stem cell a stem cell? The question may seem simplistic, but while we know a great deal of what stem cells can do, we don't yet understand the molecular processes that afford them such unique attributes. Now, researchers at Whitehead Institute for Biomedical Research working with human embryonic stem cells have uncovered the process responsible for the single-most tantalizing characteristic of these cells: their ability to become just about any type of cell in the body,...

2005-06-20 22:45:26

Copenhagen, Denmark: Early embryos with abnormal chromosomes are capable of returning to normal when grown in culture in the laboratory, according to new research presented to the 21st annual conference of the European Society of Human Reproduction and Embryology today (Monday 20 June). While such embryos are not capable of developing into normal foetuses if implanted in a woman's womb, the discovery has important implications for stem cell production, especially in countries where the...


Word of the Day
ramage
  • Boughs or branches.
  • Warbling of birds in trees.
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