jagged1 and notch1 regulate proliferation in the rms. atra通过notch1jagged1信号通路修复itp间充质干细胞功能不全 figure 6 smooth-muscle maturation mediated by jagged1/dll1-notch macrophages stimulating production of the notch ligand jagged 1 ast jaggedl mrna notchl mrna,hess mrna jaggedl蛋白,notch 1