Neuroscience

Blocking protein curbs memory loss in old mice

Impeding VCAM1, a protein that tethers circulating immune cells to blood vessel walls, enabled old mice to perform as well on memory and learning tests as young mice, a Stanford study found.

Cardiology

Study reveals why polymer stents failed

Many patients with heart disease have a metal stent implanted to keep their coronary artery open and prevent blood clotting that can lead to heart attacks. One drawback to these stents is that long-term use can eventually ...

Cardiology

Newly discovered gene may protect against heart disease

Scientists have identified a gene that may play a protective role in preventing heart disease. Their research revealed that the gene, called MeXis, acts within key cells inside clogged arteries to help remove excess cholesterol ...

Medical research

Bone marrow transplant stem cells can 'swim' upstream

When a cancer patient receives a bone marrow transplant, time is of the essence. Healthy stem cells, which can restart the production of blood cells and immune system components after a patient's own are compromised, need ...

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