Dying cells can protect their stem cells from destruction

Cells dying as the result of radiation exposure or chemotherapy can send a warning to nearby stem cells. The chemical signal allows the stem cells to escape the same fate, University of Washington researchers report in the ...

Baby cells learn to communicate using the lsd1 gene

We would not expect a baby to join a team or participate in social situations that require sophisticated communication. Yet, most developmental biologists have assumed that young cells, only recently born from stem cells ...

Viral switches share a shape

A hinge in the RNA genome of the virus that causes hepatitis C works like a switch that can be flipped to prevent it from replicating in infected cells. Scientists have discovered that this shape is shared by several other ...

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