Alzheimer’s disease has long looked like a slow-motion wildfire, starting in one part of the brain and then advancing along mysterious routes. A new cellular finding now offers a concrete explanation ...

Why do immune cells that are supposed to eliminate viruses suddenly turn against our own body? There are instances where killer T cells—which are meant to precisely remove virus-infected ...

Stem cells are precursors of a variety of different cells: They can turn into anything from blood to bone to muscle. Human blood stem cells, known as hematopoietic stem cells, are the forerunners of ...

Electrically stimulating key cells in the immune system could "reprogram" them to reduce inflammation and encourage faster and more effective healing in the body. This is the discovery of scientists ...

Researchers have developed mice with organs containing human cells, using a convenient and surprising approach — injecting the cells directly into the amniotic fluid of pregnant mice. The method ...

Scientists at City of Hope have uncovered a gene called SMOC1 that plays a surprising role in the development of type 2 diabetes (T2D) by converting pancreatic cells that normally produce insulin into ...