Immunology

Chemotherapy-induced diarrhea traced to immune cells

Some 50 to 80 percent of cancer patients taking powerful chemotherapy drugs develop diarrhea, which can be severe and in some cases life-threatening. Their problems occur when contractions in the smooth muscle lining the ...

Neuroscience

'Second brain' neurons keep colon moving

Millions of neurons in the gastrointestinal tract coordinate their activity to generate the muscle contractions that propel waste through the last leg of the digestive system, according to a study of isolated mouse colons ...

Health

Impact of inactivity on muscles more severe for older people

According to a recent study published in The Journal of Physiology, researchers have been able to document for the first time how the same period of inactivity has a greater and more severe impact on the muscle power of the ...

Medical research

Introducing titin, the protein that rules our hearts

Although scientists have long speculated that a protein named titin measures thick filaments—the proteins that make muscles contract—no one has been able to provide evidence to support their theories.

Medical research

New understanding of how muscles work

Muscle malfunctions may be as simple as a slight strain after exercise or as serious as heart failure and muscular dystrophy. A new technique developed at McGill now makes it possible to look much more closely at how sarcomeres, ...

Medical research

Bitter taste receptors may hold the key to managing preterm labor

This could be good news for those trying to prevent preterm labor: New research published online in The FASEB Journal suggests that exposing bitter taste receptors in the uterus to certain substances can stop many unwanted ...

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