OncoCyte Corporation focuses on the development and commercialization of novel and non-invasive blood and urine (liquid biopsy) diagnostic tests for the early detection of cancer. The company is developing diagnostic tests using genetic and protein markers expressed in various types of cancer. It develops diagnostic tests based on liquid biopsies using blood or urine samples for detecting lung, bladder, and breast cancer. The company was founded in 2009 and is based in Alameda, California. OncoCyte Corporation is a subsidiary of BioTime, Inc.