Therapeutic effect of co-transplantation of neuregulin 1-transfected-Schwann cells and bone marrow stromal cells on spinal cord hemisection syndrome

► Transfection of NRG1 elevates ErbB2 level in SCs. ► NRG1-SCs promote BMSCs to differentiate into neuron-like cells. ► NRG1-SCs-BMSCs transplantion achieved better therapy on spinal cord hemi-section.