Eric Dane has been diagnosed with ALS.

“I have been diagnosed with ALS,” the Grey’s Anatomy alum, 52, said in a statement to People on Thursday, April 10. “I am grateful to have my loving family by my side as we navigate this next chapter.”

Dane shares daughters Billie, 15, and Georgia, 13, with wife Rebecca Gayheart. In addition to expressing his gratitude for his loved ones, Dane also shared his appreciation for his work on Euphoria, which will start filming for season three following its extended hiatus.

“I feel fortunate that I am able to continue working and am looking forward to returning to set of Euphoria next week,” the statement continued. “I kindly ask that you give my family and I privacy during this time.”

ALS stands for amyotrophic lateral sclerosis. The condition, which is also referred to as Lou Gehrig’s disease, is a nervous system disease that affects nerve cells in the brain and spinal cord, per the Mayo Clinic. It causes loss of muscle control and gets worse over time. There is no cure.

This story is developing.