Medical research

Adult stem cells take root in livers and repair damage

Johns Hopkins researchers have demonstrated that human liver cells derived from adult cells coaxed into an embryonic state can engraft and begin regenerating liver tissue in mice with chronic liver damage.

Surgery

Pig hearts may save human lives: researchers

One day, cardiac patients may enjoy a new lease on life with pig hearts beating in their chests, said researchers reporting a major advance Tuesday in cross-species organ transplantation.

Medical research

Genetically engineered pigs: Advance looks promising

Stories of people waiting for organ transplants that could save their lives are well known. The numbers, though, are not encouraging. The US Department of Health and Human Services has some data: 122,407 people need a lifesaving ...

Medical research

Biotech startup uses nanoparticles to induce immune tolerance

More than 100 approved drugs in the U.S. warn of immune-related side effects on their labels. Countless others never make it onto shelves because of unwanted immune responses that can harm patients and limit the effectiveness ...

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