A single molecular switch is essential for blood stem cells to enter an activated, regenerative state in which they produce new blood cells, according to a preclinical study. The discovery could lead ...

Immune cells called B cells make antibodies that fight off invading bacteria, viruses and other foreign substances. During ...

Many people are familiar with anxiety, whether it shows up as jittery nerves, a pounding heartbeat, or difficulty sleeping. But for those with generalized anxiety disorder, these feelings can linger ...

In developing hearts, cells shuffle around, bumping into each other to find their place, and the stakes are high: pairing with the wrong cell could mean the difference between a beating heart and one ...

Whether it’s counting red blood cells under a light microscope or recording bursts of electricity as neurons fire, scientists spend a lot of time studying cells. With such a diversity in form and ...

Entamoeba histolytica is a single-cell parasite that causes intestinal disease, but sometimes invades the body, attacking cells and creating liquefying abscesses. UC Davis parasitologist Katherine ...

Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...