The present invention is a method of treating a patient that would benefit from stimulation of the patient's stem cells, wherein the patient is administered an antibody that is expressed in human undifferentiated stem cells and specifically binds to an epitope of the MUC1 protein. Including that.本発明は、患者の幹細胞への刺激によって利益を得る患者を処置する方法であって、患者に、ヒトの未分化の幹細胞で発現されりMUC1タンパク質のエピトープに特異的に結合する抗体を投与することを含む。