Engineers put the 'squeeze' on human stem cells

After using optical tweezers to squeeze a tiny bead attached to the outside of a human stem cell, researchers now know how mechanical forces can trigger a key signaling pathway in the cells.

Role model stem cells: How immune cells can self-renew

When our organs age or wear out, their renewal usually depends on a few stem cells in the tissue, because the vast majority of differentiated cells have lost their ability to divide and generate new cells. A German-French ...

Scientists turn stem cells into precursors for sperm, eggs

Human embryonic stem cells derived from excess IVF embryos may help scientists unlock the mysteries of infertility for other couples struggling to conceive, according to new research from the Stanford University School of ...

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