HAIFA, Israel--(BUSINESS WIRE)--Pluristem Therapeutics Inc. (NasdaqCM: PSTI; DAX: PJT) today announced the dosing of the first patient in the U.S. with its placenta-derived stem cell product, PLX-PAD, the Company’s leading candidate, in a Phase I clinical trial for the treatment of critical limb ischemia (CLI), the end-stage of peripheral artery disease (PAD).