A human female is born with all the egg cells she will ever have. The possibility for the development of new oocytes is zero. Given this constraint, it is crucial that these gametes remain healthy and ...

Teeth naturally wear down over time, but scientists have found that they could signal certain cells to regrow bones, opening new avenues in stem cell research.

Around the globe, heart disease remains one of the top causes of death. Once patients begin to suffer from serious heart ...

A global consortium of scientists has created the first and most detailed "developmental maps" of the mammalian brain (from ...

A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including a ...

The lab-made 3D liver model serves as a human relevant platform for analyzing the progressive stages of the liver disease, ...

Researchers at Oregon Health & Science University have achieved a scientific first: transforming human skin cells into eggs that can be fertilized in the lab. Their study, published Tuesday in Nature ...

Creating human eggs from adult cells just got one step closer to reality. A technique used in cloning combined with fertilization and a bit of chemical coaxing caused human skin cells to produce eggs ...

Spaceflight may make certain types of human stem cells age faster, a study suggests — but at least some of the damage may be reversible. Spending time aboard the International Space Station (ISS) ...