#$%^&*AU2019210647A120190822.pdf#####1: Interwovn NRPortbl DCC FMT 19141303_l.DOCX-2/08/2019 ABSTRACT The present invention relates generally to therapeutic agents that, in association with stimulation of PDGFRa-positive cells such as bone marrow mesenchymal stem cells, promote their mobilization into blood and accumulation in a damaged tissue, and induce tissue regeneration in a living body.