Rapamycin is a naturally occurring compound that has been shown to have a number of health benefits, including extending lifespan and reducing the risk of cancer. However, the exact mechanism by which rapamycin exerts its effects has been unknown.
The new study shows that rapamycin inhibits the activity of a protein called mTOR. mTOR is a key regulator of cell growth and metabolism, and its inhibition has been shown to slow cell growth and extend lifespan in a variety of organisms.
The findings of the new study suggest that rapamycin may be a promising treatment for a variety of diseases that are characterized by excessive cell growth, such as cancer and diabetes.
In addition to its potential therapeutic applications, the discovery of how rapamycin slows cell growth could also lead to new insights into the basic biology of aging.