HIVEP2-DT and meningioma: The adhesins used by GBS for adherence to meningioma cells and astrocytes remain to be identified, but any one or more GBS components such as PilA [38], [39], lipoteichoic acid [40], C5a peptidase [41], FbsA [42], alpha-C protein and the HvgA protein [19], which mediate adherence to epithelial and endothelial cells, merit investigation.