Gene therapy improves blood flow in the brain in patients with sickle cell disease [caption id="attachment_11887" align="aligncenter" width="700"] Akshay Sharma, MBBS, MSc, St. Jude Department of Bone Marrow Transplantation and Cellular Therapy talks to St. Jude patient enrolled on the reported clinical trial, Corey Luellen. ©St. Jude Children's Research Hospital[/caption]…..