This project evaluates the effectiveness of the administration of autologous bone marrow blood in patients with brittle type 1 diabetes mellitus to restore insulin secretion. After mobilization of hematopoietic progenitors (G-CSF) during 3 days, 50 to 90 mL of bone marrow blood will be obtained by multifunction in the posterior iliac crest. The material obtained will be implanted into the pancreas through the magna pancreatic artery after femoral catheterization.