The American Society for Transplantation and Cellular Therapy Scientific Journal: @ASTCT_Journal The American Society for Transplantation and Cellular Therapy (ASTCT) is an international membership The American Society for Transplantation and Cellular Therapy is an international professional membership association of more than 3,000 physicians, investigators and other health care professionals from more than 45 countries. Our mission is dedicated to improving the application and success of blood and marrow transplantation and related cellular therapies. We strive to be the leading organization promoting research, education and clinical practice in the field.