Health News

What’s at the ‘heart’ of a heartbeat?

In the confines of the thoracic chamber, a heart has lost its rhythm. Its two upper chambers, the atria, are beating out of sync with the two lower chambers, the ventricles. The resulting chaos is called atrial fibrillation and is a major concern because it prevents the heart from pumping effectively and is associated with […]

Health News

How does potassium enter cells? Surprising discovery of a chimeric protein that combines both ion pump and ion channel

A balanced potassium household is critical for the survival of both people and bacteria. As bacteria are exposed to much greater fluctuations in environmental conditions, the controlled intake of potassium often poses a particular challenge. Since the cell membrane is impenetrable for potassium ions, it has to be translocated through specific membrane transport proteins. On […]