VEGFA and neoplasm: Glioma and GSCs promote gliomaangiogenesis byconverting intoendothelial cells or excreting VEGF.32 Astudy examined the role of GSCs in tumor vascularization on the GSCtumor model which was developed using a 3D multinozzle bioprinter.88 A bioink including gelatin, alginate, fibrinogen,and GSCs was employed.