Neuroscience

Fighting addiction through the gut-brain axis

"We are what we eat." This piece of folk knowledge is true in more ways than one. In fact, it is well known that food, through action on the enteric system, has direct effects on the brain. The mechanisms underlying this ...

Medical research

Calcium channels team up to activate excitable cells

Voltage-gated calcium channels open in unison, rather than independently, to allow calcium ions into and activate excitable cells such as neurons and muscle cells, researchers with UC Davis Health System and the University ...

Medical research

Cystic fibrosis and diabetes link explained

Many people with cystic fibrosis develop diabetes. The reasons for this have been largely unknown, but now researchers at Lund University in Sweden and Karolinska institutet have identified a molecular mechanism that contributes ...

Diabetes

Cellular calcium handling in diabetes

Tight regulation of calcium levels in the endoplasmic reticulum (ER) – a cellular organelle with multiple functions – contributes to insulin secretion by pancreatic beta cells. Although ER calcium handling is perturbed ...

Vaccination

How AstraZeneca's errors eroded US confidence in its COVID shot

The United States was among the biggest backers of the AstraZeneca COVID vaccine, but a series of blunders by the company eroded American authorities' confidence and have delayed rollout in the world's hardest-hit country.

Cardiology

A-fib detected in nearly three in 10 cryptogenic stroke patients

Almost one in three patients surviving a stroke of unknown cause have atrial fibrillation (AF) detectable using continuous cardiac monitoring, according to a study presented at the annual meeting of the European Heart Rhythm ...

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