Cell Therapy Peripheral Arterial Disease: vessel blockage in legs Potentially life-threatening with limited therapeutic options Cell Therapies are emerged option EC transplantation relieves ischemic injury Clinical trial methodology for intramuscular administration Solution 01 Pain relief 02 Improvement of quality of life 03 New blood vessels formation 04 Ulcer healing IL-4/IL13 as a mediator driving the tissue regeneration Case 1: Myocardial Infarction Case 2: Hindlimb Ischemia