This resulted in a reduction of both total glial numbers and tumor size (S8A–S8D Fig), and these effects were further recapitulated using the BBB glial driver (GMR85G01-GAL4, Fig 4E–4H), but not a CG driver (NP2222-GAL4 [49], S8H–S8K Fig). This evidence concerns the gene LGALS4 and neoplasm.