BROWNSBURG, Ind., May 23, 2013 /PRNewswire/ -- Rahal Letterman Lanigan Racing (RLL) and StemCyte, Inc., a global leader in human cord blood stem cell banking and therapeutics, announced today that StemCyte has become an associate sponsor of the No. 16 Acorn Stairlifts Indy car driven by James Jakes. Sponsorship is for the remainder of the IZOD IndyCar 2013 season.