This volume of Molecular Biology of Hematopoiesis is dedicated to many inter- national scientists and clinicians for their contribution to the field of Hematology/ Oncology presented at the 11th International Symposium on Molecular Biology of Hematopoiesis, which was held in Bormio, Italy, June 25-29, 1998. The continuous support of the Presidents of the meeting, Professor F. Takaku, President of Jichi University, and E. D. Thomas, Nobel Laureate, was greatly acknowledged, especially Professor Takaku, for his vision and support for development of gene therapy in Japan. New information on BMT...