Serum-Induced Differentiation of Glioblastoma Neurospheres Leads to Enhanced Migration/Invasion Capacity That Is Associated with Increased MMP9. oleh Justin V Joseph, Ingrid A M van Roosmalen, Ellen Busschers, Tushar Tomar, Siobhan Conroy, Ellie Eggens-Meijer, Natalia Peñaranda Fajardo, Milind M Pore, Veerakumar Balasubramanyian, Michiel Wagemakers, Sjef Copray, Wilfred F A den Dunnen, Frank A E Kruyt