ALAMEDA, Calif., Feb. 14, 2019 (GLOBE NEWSWIRE) -- BioTime, Inc. (NYSE American: BTX), a clinical-stage biotechnology company focused on degenerative diseases, today provided a business update which included information on AgeX Therapeutics, Inc. (AgeX) (NYSE American: AGE) and BioTime’s two affiliated companies, OncoCyte Corporation (OncoCyte) (NYSE American: OCX), and Asterias Biotherapeutics, Inc. (Asterias) (NYSE American: AST).