A billion-year-old calcium signaling system in cyanobacteria reveals surprisingly ancient roots of cell-to-cell communication ...

As an embryo develops from a small cluster of stem cells, those once "blank slate" cells begin to take on more specialized ...

The cells lining skin capillaries are constantly sending each other messages—tiny pulses of calcium that help regulate blood flow, sense physical forces and keep vessel walls intact. Scientists have ...

T cell activation—the process by which these key immune defenders recognize threats and mobilize against them—depends on exquisitely timed molecular signals. Now researchers have captured one of the ...

Scientists from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), and St. Jude Children's ...