Medical research

Nobel winner ties mental illness to immune defect

A Nobel Prize-winning University of Utah geneticist discovered that bone marrow transplants cure mutant mice who pull out their hair compulsively. The study provides the first cause-and-effect link between immune system cells ...

Medical research

Embryo's heartbeat drives blood stem cell formation

(PhysOrg.com) -- Biologists have long wondered why the embryonic heart begins beating so early, before the tissues actually need to be infused with blood. Two groups of researchers from Children's Hospital Boston, Brigham ...

Oncology & Cancer

Mutant cells colonize our tissues over our lifetime

By the time we reach middle age, more than half of the oesophagus in healthy people has been taken over by cells carrying mutations in cancer genes, scientists have uncovered. By studying normal oesophagus tissue, scientists ...

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