Metabolic Transition of Embryonic Stem Cells

by Sheela Philomena on  March 26, 2012 at 11:36 AM Genetics & Stem Cells News   - G J E 4
Embryonic stem cells undergo a metabolic shift in cancer-like way to enter the next stage of development. These stem cells start using and producing energy like cancer cells, say researchers.
 Metabolic Transition of Embryonic Stem Cells
Metabolic Transition of Embryonic Stem Cells

This discovery is published today in EMBO, the European Molecular Biology Organization journal.

"These findings not only have implications for stem cell research and the study of how embryos grow and take shape, but also for cancer therapy," said the senior author of the study, Dr. Hannele Ruohola-Baker, University of Washington professor of biochemistry. The study was collaborative among several research labs in Seattle.

The metabolic transition they discovered occurs very early as the mouse embryo, barely more than a speck of dividing cells, implants in the mother's uterus. The change is driven by low oxygen conditions, Ruohola-Baker explained.

The researchers also saw a specific type of biochemical slowdown in the stem cells' mitochondria - the cells' powerhouses. The phenomenon previously was associated with aging and disease. This was the first example of the same downshift controlling normal early embryonic development.

Source: Eurekalert

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