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Scientists provide groundbreaking new understanding of stem cells


Yanes shifted though the data on stem cells and identified an unexpected pattern: stem cell metabolites had highly unsaturated structures compared with mature cells, and levels of highly unsaturated molecules decreased as the stem cells matured. Highly unsaturated molecules, which contain little hydrogen, can easily react and change into many other different types of molecules.

"The study reveals an astounding cellular strategy," commented Yanes. "The capacity of embryonic stem cells to generate a whole spectrum of cell types characteristic of different tissues (a phenomenon referred to as plasticity) is mirrored at the metabolic level."
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