UC San Francisco scientists have discovered that muscle repair requires the action of two types of cells better known for causing inflammation and forming fat. The finding in mice, published in the April 11 issue of Cell, showed that a well-known immune cell called the eosinophil [ee-oh-SIN-oh-fil] carries out the beneficial role in two ways – by clearing out cellular debris from damaged tissue and teaming up with a type of cell that can make fat to instead trigger muscle regrowth.
