Disclosed are method of enhancing perispinal perfusion in a patient suffering from reduced perfusion of the lower back through administration of T regulatory cells alone capable of stimulating angiogenesis directly or through enhancement of angiogenic activities of cellular therapies. Said cellular therapies possessing angiogenic activities include mesenchymal stem cells, hematopoietic stem cells and endothelial progenitor cells. In one embodiment of the invention, administration of T regulatory cells is performed that are expanded ex vivo. For certain embodiment of the invention T regulatory cells may be autologous or allogeneic.
