Human blood already comes in a bewildering variety of types, but researchers have now identified a new one so rare that only ...

In a step toward increasing access to donor organs, scientists have converted a blood-type-A kidney to blood type O and then transplanted it into a brain-dead person. The kidney, which had essentially ...

For those with kidney failure, a transplant is often the greatest promise of a healthier, longer life. Yet thousands wait years for a match that never comes. Incompatibility of blood type is one of ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

Transplanting organs is tricky business. If you need an organ, you can't receive a donation from just anybody; it follows the same rules as blood type compatibility. For example, someone with blood ...

Researchers have achieved a clean reversal of Type 1 diabetes in mice by rebuilding their immune systems and restoring ...

Neurons are the cells in the brain responsible for sending messages to the rest of the body, and scientists have long thought that they are settled into one subtype once they develop from stem cells, ...

Multiple sclerosis (MS) is an autoimmune condition in which the protective insulation surrounding neurons in the brain and spinal cord is erroneously attacked. This can cause a wide variety of serious ...