HGF and glioblastoma: Fetal bovine serum (with and without hepatocyte growth factor (HGF)) promoted glioblastoma cell migratory behavior, including protrusion of pseudopodia through 3 μm filter pores, migration of whole cells through 8 μm filter pores, and invasion through Matrigel and rat brain tissue slices, often under glycolytic conditions [43,62,134,135,136].