Our understanding of how cells interact with each other has been driven for decades by the central concept of ...

Our understanding of how cells interact with each other has been driven for decades by the central concept of receptor-mediated signal transduction.

The enzyme RNA polymerase II transcribes genes into messenger RNA. This process is guided by modifications to the enzyme's "tail" called phosphorylation patterns. Scientists at St. Jude Children's ...

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 ...

Cells rely on complex signaling networks in which different molecular pathways communicate with one another. Small GTPases ...