Abstract
Acute Lymphoblastic Leukemia (LLA) is the most common type of Cancer in childhood, accounting for about 30% of all Cancers and 80% of all leukemias occurring up to the age of 15 years. In the previous work, we verified that leukemic cells secrete several proteins, among them IGFBP7, which together with their ligands (insulin, IGF1 and IGF2) stimulate bone marrow stromal cells to produce a…