How kidneys rebuild their defenses after injury

A new study reveals how kidneys rebuild immune defenses after injury.

The kidneys filter about 50 gallons of blood every day, removing waste while helping regulate blood pressure, balance fluid levels and serve other vital functions. But when those organs are damaged by illness or injury, a specialized group of immune cells helps determine whether the kidneys recover or sustain lasting damage.

Acute kidney injury is a common complicatio...