Methods of using mutant flt3-ligand polypeptides to induce cellular expansion

Patent Number: 7067118

This invention teaches ways of generating active portions of the stem cell expanding protein flt-3L and using these active portions. The assignee is the same company, (Immunex) that developed the original flt-3L. The patent has 4 independent claims. The first covers expanding stem cells, the second covers in vivo expansion, the third covers transplanting cells and expanding them in vivo, the fourth covers ex vivo expansion of stem cells for reinfusion into a patient.

View this patent on the USPTO website.