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

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

Calcitriol, the hormonally active form of vitamin D, has long been suspected of harboring anticancer properties, but the ...

Osteoporosis has long been treated as a disease of bone tissue alone, a slow thinning of the skeleton driven by aging, estrogen loss, and an imbalance between the cells that build bone and the cells ...

Scientists from the Yong Loo Lin School of Medicine, National University of Singapore (NUS Medicine), and St. Jude Children's Research Hospital in the United States have discovered how blood cells ...

The design of new calcium channels, built bottom-up from scratch, was reported last week in Nature. "Biochemists have been studying ion channels for decades and debating about how they work for almost ...

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 ...

People communicate with each other, sometimes face to face, sometimes with a text message or phone call. Cells also communicate with each other, sometimes by touching and sometimes by sending signals ...