FREMONT, Calif., June 13, 2017 /PRNewswire/ — Asterias Biotherapeutics, Inc. (NYSE MKT: AST), a biotechnology company pioneering the field of regenerative medicine, today announced that new 9-month follow-up data from the AIS-A 10 million cell cohort in the company’s ongoing SCiStar Phase 1/2a clinical trial shows three of six (50%) patients..