Cardiology

Mending broken hearts with neural crest cells

Zebrafish—striped fish a few centimeters long—have the ability to regrow up to 20 percent of their hearts after sustaining major damage. Now, Caltech scientists have discovered that embryonic cells from the hindbrain, ...

Neuroscience

Signal blocks stem cell division in the geriatric brain

Scientists from Basel have investigated the activity of stem cells in the brain of mice and discovered a key mechanism that controls cell proliferation. According to the researchers, the gene regulator Id4 controls whether ...

page 28 from 40