Mike Kelley, a Los Angeles-based artist, was found dead at his home in South Pasadena on Wednesday, from an apparent suicide, according to reports. He was 57.

Blouin ArtInfo reported that the news of Kelley's death was confirmed Helene Winer, of New York's Metro Pictures gallery, and a long-time associate of the artist.

It is totally shocking that someone would decide to do this, someone who has success and renown and options, Winer told Blouin ArtInfo. It's extremely sad.

Winer told the Web site that the artist was depressed.

The Los Angeles Times has reported that police are still investigating the incident and no immediate cause of death has been established as yet.

Mike was an irresistible force in contemporary art.... We cannot believe he is gone, his studio noted in a statement. But we know his legacy will continue to touch and challenge anyone who crosses its path. We will miss him. We will keep him with us.

Kelley was born in 1954 in Detroit suburb and was involved in the city's music scene as a teen. he studied at University of Michigan. Blouin ArtInfo reported that while in college, Kelley formed a band Destroy All Monsters with fellow artists Jim Shaw, Niagara, and Cary Loren.

He moved to Los Angeles in 1967 after graduating college. In Los Angeles, Kelley attended the California Institute of the Arts and studied alongside teachers John Baldessari and Laurie Anderson.

Kelley's career reportedly took off in the 1990s with solo shows at the Whitney, LACMA, and other international venues. His work will be a part of the upcoming Whitney Biennial, according to Blouin ArtInfo.